2a2a5b1e43
Try to make the comments consistent with the type system we'll eventually have.
4643 lines
240 KiB
Plaintext
4643 lines
240 KiB
Plaintext
# Experimental syntax sugar for addressing modes that expand into /rm32 and
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# other related arguments.
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#
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# To run:
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# $ ./subx translate init.linux 0*.subx apps/subx-params.subx apps/sigils.subx -o apps/sigils
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#
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# We currently support the following notations:
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#
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# 1.
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# $ echo '%eax' | ./subx run apps/sigils
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# 3/mod 0/rm32
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#
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# 2.
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# $ echo '*eax' | ./subx run apps/sigils
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# 0/mod 0/rm32
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#
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# 3.
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# $ echo '*(eax+4)' | ./subx run apps/sigils
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# 2/mod 0/rm32 4/disp32
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#
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# 4.
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# $ echo '*(eax+ecx)' | ./subx run apps/sigils
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# 0/mod 4/rm32 0/base 1/index 0/scale
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#
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# 5.
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# $ echo '*(eax+ecx+4)' | ./subx run apps/sigils
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# 2/mod 4/rm32 0/base 1/index 0/scale 4/disp32
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#
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# 6.
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# $ echo '*(eax+ecx<<2+4)' | ./subx run apps/sigils
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# 2/mod 4/rm32 0/base 1/index 2/scale 4/disp32
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#
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# 7.
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# $ echo '*Foo' | ./subx run apps/sigils
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# 0/mod 5/rm32/.disp32 Foo/disp32
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#
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# Addition isn't commutative here. Template must always be (base+index<<scale+disp),
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# though some components are optional as described above.
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# In particular, global variables like 'Foo' above don't support displacement
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# or index or scale.
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#
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# No metadata allowed inside '*(...)'.
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# Whitespace inside '*(...)' is ok. But not immediately after the '*' or '%'.
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#
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# The code generated is sub-optimal:
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# - displacements are always disp32, even when disp8 will do
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# - *(...esp...) always uses SIB arguments even when redundant
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== code
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# instruction effective address register displacement immediate
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# . op subop mod rm32 base index scale r32
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# . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes
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Entry: # run tests if necessary, convert stdin if not
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# . prologue
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# initialize heap
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# . Heap = new-segment(Heap-size)
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# . . push args
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68/push Heap/imm32
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ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 . . . Heap-size/disp32 # push *Heap-size
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# . . call
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e8/call new-segment/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# - if argc > 1 and argv[1] == "test", then return run_tests()
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# if (argc <= 1) goto interactive
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81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0/disp8 1/imm32 # compare *ebp
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7e/jump-if-lesser-or-equal $subx-sigils-main:interactive/disp8
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# if (!kernel-string-equal?(argv[1], "test")) goto interactive
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# . eax = kernel-string-equal?(argv[1], "test")
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# . . push args
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68/push "test"/imm32
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
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# . . call
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e8/call kernel-string-equal?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# . if (eax == false) goto interactive
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3d/compare-eax-and 0/imm32/false
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74/jump-if-equal $subx-sigils-main:interactive/disp8
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# run-tests()
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e8/call run-tests/disp32
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# syscall(exit, *Num-test-failures)
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8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/ebx Num-test-failures/disp32 # copy *Num-test-failures to ebx
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eb/jump $subx-sigils-main:end/disp8
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$subx-sigils-main:interactive:
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# - otherwise convert stdin
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# subx-sigils(Stdin, Stdout)
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# . . push args
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68/push Stdout/imm32
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68/push Stdin/imm32
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# . . call
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e8/call subx-sigils/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# syscall(exit, 0)
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bb/copy-to-ebx 0/imm32
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$subx-sigils-main:end:
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b8/copy-to-eax 1/imm32/exit
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cd/syscall 0x80/imm8
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# error messages considered:
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# *x + 34 -> error: base+disp addressing must be within '()'
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subx-sigils: # in : (address buffered-file), out : (address buffered-file)
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# pseudocode:
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# var line : (stream byte 512)
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# while true
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# clear-stream(line)
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# read-line-buffered(in, line)
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# if (line->write == 0) break # end of file
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# while true
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# var word-slice = next-word-or-expression(line)
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# if slice-empty?(word-slice) # end of line
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# break
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# if slice-starts-with?(word-slice, "#") # comment
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# continue
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# if slice-starts-with?(word-slice, '%') # direct mode
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# emit-direct-mode(out, word-slice)
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# else if slice-starts-with?(word-slice, '*') # indirect mode
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# if disp32-mode?(word-slice)
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# emit-indirect-disp32(out, word-slice)
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# else
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# base, index, scale, disp = parse-effective-address(word-slice)
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# emit-indirect-mode(out, base, index, scale, disp)
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# else if slice-starts-with?(word-slice, '+')
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# abort("'+' only permitted within '*(...)'")
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# else
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# write-slice-buffered(out, word-slice)
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# write(out, " ")
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# write(out, "\n")
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# flush(out)
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#
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# . save registers
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50/push-eax
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51/push-ecx
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52/push-edx
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53/push-ebx
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# var line/ecx : (stream byte 512)
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81 5/subop/subtract 3/mod/direct 4/rm32/esp . . . . . 0x200/imm32 # subtract from esp
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68/push 0x200/imm32/length
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68/push 0/imm32/read
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68/push 0/imm32/write
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# var word-slice/edx : (ref slice)
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68/push 0/imm32/end
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68/push 0/imm32/start
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89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
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$subx-sigils:line-loop:
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# clear-stream(line)
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# . . push args
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51/push-ecx
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# . . call
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e8/call clear-stream/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# read-line-buffered(in, line)
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# . . push args
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51/push-ecx
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
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# . . call
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e8/call read-line-buffered/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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$subx-sigils:check0:
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# if (line->write == 0) break
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81 7/subop/compare 0/mod/indirect 1/rm32/ecx . . . . . 0/imm32 # compare *ecx
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0f 84/jump-if-equal $subx-sigils:break/disp32
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$subx-sigils:word-loop:
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# next-word-or-expression(line, word-slice)
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# . . push args
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52/push-edx
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51/push-ecx
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# . . call
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e8/call next-word-or-expression/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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$subx-sigils:check1:
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# if (slice-empty?(word-slice)) break
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# . eax = slice-empty?(word-slice)
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# . . push args
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52/push-edx
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# . . call
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e8/call slice-empty?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# . if (eax != false) break
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3d/compare-eax-and 0/imm32/false
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0f 85/jump-if-not-equal $subx-sigils:next-line/disp32
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$subx-sigils:check-for-comment:
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# if (slice-starts-with?(word-slice, "#")) continue
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# . start/ebx = word-slice->start
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8b/copy 0/mod/indirect 2/rm32/edx . . . 3/r32/ebx . . # copy *edx to ebx
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# . c/eax = *start
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31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax
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8a/copy-byte 0/mod/indirect 3/rm32/ebx . . . 0/r32/AL . . # copy byte at *ebx to AL
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# . if (eax == '#') continue
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3d/compare-eax-and 0x23/imm32/hash
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74/jump-if-equal $subx-sigils:word-loop/disp8
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$subx-sigils:check-for-direct-mode:
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# if (!slice-starts-with?(word-slice, "%")) goto next check
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3d/compare-eax-and 0x25/imm32/percent
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75/jump-if-not-equal $subx-sigils:check-for-indirect-mode/disp8
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$subx-sigils:direct-mode:
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#? # dump word-slice {{{
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#? # . write(2/stderr, "w: ")
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#? # . . push args
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#? 68/push "w: "/imm32
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#? 68/push 2/imm32/stderr
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#? # . . call
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#? e8/call write/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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#? # . clear-stream($Stderr->buffer)
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#? # . . push args
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#? 68/push $Stderr->buffer/imm32
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#? # . . call
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#? e8/call clear-stream/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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#? # . write-slice-buffered(Stderr, word-slice)
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#? # . . push args
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#? 52/push-edx
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#? 68/push Stderr/imm32
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#? # . . call
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#? e8/call write-slice-buffered/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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#? # . flush(Stderr)
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#? # . . push args
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#? 68/push Stderr/imm32
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#? # . . call
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#? e8/call flush/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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#? # . write(2/stderr, "$\n")
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#? # . . push args
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#? 68/push "$\n"/imm32
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#? 68/push 2/imm32/stderr
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#? # . . call
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#? e8/call write/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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#? # }}}
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# emit-direct-mode(out, word-slice)
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# . . push args
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52/push-edx
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call emit-direct-mode/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# continue
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e9/jump $subx-sigils:next-word/disp32
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$subx-sigils:check-for-indirect-mode:
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# if (!slice-starts-with?(word-slice, "*")) goto next check
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3d/compare-eax-and 0x2a/imm32/asterisk
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75/jump-if-not-equal $subx-sigils:check-for-invalid-addition/disp8
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# if (!disp32-mode?(word-slice)) goto indirect mode
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# . eax = disp32-mode?(word-slice)
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# . . push args
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52/push-edx
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# . . call
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e8/call disp32-mode?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# . if (eax == false) goto indirect mode
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3d/compare-eax-and 0/imm32/false
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74/jump-if-equal $subx-sigils:indirect-mode/disp8
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$subx-sigils:disp32-mode:
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# emit-indirect-mode(out, word-slice)
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# . . push args
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52/push-edx
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call emit-indirect-disp32/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# continue
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e9/jump $subx-sigils:next-word/disp32
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$subx-sigils:indirect-mode:
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# spill registers
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50/push-eax
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51/push-ecx
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52/push-edx
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53/push-ebx
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# base/eax, index/ecx, scale/edx, disp/ebx = parse-effective-address(word-slice)
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# . . push args
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52/push-edx
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# . . call
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e8/call parse-effective-address/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# emit-indirect-mode(out, base, index, scale, disp)
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# . . push args
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53/push-ebx
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52/push-edx
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51/push-ecx
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50/push-eax
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call emit-indirect-mode/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
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# restore registers
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5b/pop-to-ebx
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5a/pop-to-edx
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59/pop-to-ecx
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58/pop-to-eax
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# continue
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e9/jump $subx-sigils:next-word/disp32
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$subx-sigils:check-for-invalid-addition:
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# if (slice-starts-with?(word-slice, "+")) goto error1
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3d/compare-eax-and 0x2b/imm32/plus
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74/jump-if-equal $subx-sigils:error1/disp8
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$subx-sigils:check-for-invalid-left-shift:
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# if (slice-starts-with?(word-slice, "<")) goto error1
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3d/compare-eax-and 0x3c/imm32/less-than
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74/jump-if-equal $subx-sigils:error1/disp8
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$subx-sigils:regular-word:
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# write-slice-buffered(out, word-slice)
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# . . push args
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52/push-edx
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call write-slice-buffered/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# fall through
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$subx-sigils:next-word:
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# write-buffered(out, " ")
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# . . push args
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68/push Space/imm32
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call write-buffered/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# loop
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e9/jump $subx-sigils:word-loop/disp32
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$subx-sigils:next-line:
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# write-buffered(out, "\n")
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# . . push args
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68/push Newline/imm32
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call write-buffered/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# loop
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e9/jump $subx-sigils:line-loop/disp32
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$subx-sigils:break:
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# flush(out)
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# . . push args
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
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# . . call
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e8/call flush/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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$subx-sigils:end:
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# . reclaim locals
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x214/imm32 # add to esp
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# . restore registers
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5b/pop-to-ebx
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5a/pop-to-edx
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59/pop-to-ecx
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58/pop-to-eax
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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$subx-sigils:error1:
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# print(stderr, "error: '" eax "' only permitted within '*(...)' in '" line "'")
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# . write-buffered(Stderr, "error: '")
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# . . push args
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68/push "error: '"/imm32
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68/push Stderr/imm32
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# . . call
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e8/call write-buffered/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# . write-byte-buffered(Stderr, eax)
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# . . push args
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50/push-eax
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68/push Stderr/imm32
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# . . call
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e8/call write-byte-buffered/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# . write-buffered(Stderr, "' only permitted within '*(...)' in '")
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# . . push args
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68/push "' only permitted within '*(...)' in '"/imm32
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68/push Stderr/imm32
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|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-stream-data(Stderr, line)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-stream-data/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "'")
|
|
# . . push args
|
|
68/push "'"/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
test-subx-sigils-passes-most-words-through:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "== abcd 0x1")
|
|
# . . push args
|
|
68/push "== abcd 0x1"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "== abcd 0x1 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-passes-most-words-through"/imm32
|
|
68/push "== abcd 0x1 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-direct-mode:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab %ecx")
|
|
# . . push args
|
|
68/push "ab %ecx"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 3/mod/direct 0x00000001/rm32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-direct-mode"/imm32
|
|
68/push "ab 3/mod/direct 0x00000001/rm32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-direct-mode-with-metadata:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab %ecx/foo")
|
|
# . . push args
|
|
68/push "ab %ecx/foo"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . check-stream-equal(_test-output-stream, "ab 3/mod/direct 0x00000001/rm32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-direct-mode-with-metadata"/imm32
|
|
68/push "ab 3/mod/direct 0x00000001/rm32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-register-indirect-mode:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *ecx")
|
|
# . . push args
|
|
68/push "ab *ecx"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 0x00000001/rm32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-register-indirect-mode"/imm32
|
|
68/push "ab 0/mod/indirect 0x00000001/rm32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-register-indirect-mode-with-metadata:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *ecx/foo")
|
|
# . . push args
|
|
68/push "ab *ecx/foo"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 0x00000001/rm32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-register-indirect-mode-with-metadata"/imm32
|
|
68/push "ab 0/mod/indirect 0x00000001/rm32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-register-indirect-mode-without-displacement:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *(ecx)")
|
|
# . . push args
|
|
68/push "ab *(ecx)"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 1/rm32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-register-indirect-mode-without-displacement"/imm32
|
|
68/push "ab 0/mod/indirect 0x00000001/rm32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-register-indirect-mode-with-displacement:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *(ecx+4)")
|
|
# . . push args
|
|
68/push "ab *(ecx+4)"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 2/mod/*+disp32 1/rm32 4/disp32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-register-indirect-mode-with-displacement"/imm32
|
|
68/push "ab 2/mod/*+disp32 0x00000001/rm32 0x00000004/disp32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# boss level
|
|
test-subx-sigils-register-indirect-mode-with-sib-byte:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *(ecx + edx<<3 + 4)")
|
|
# . . push args
|
|
68/push "ab *(ecx + edx<<3 + 4)"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 2/mod/*+disp32 4/rm32/sib 1/base 2/index 3/scale 4/disp32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-register-indirect-mode-with-sib-byte"/imm32
|
|
68/push "ab 2/mod/*+disp32 4/rm32/sib 0x00000001/base 0x00000002/index 0x00000003/scale 0x00000004/disp32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-register-indirect-mode-with-sib-byte-negative-displacement:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *(ecx + edx<<3 - 4)")
|
|
# . . push args
|
|
68/push "ab *(ecx + edx<<3 - 4)"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 2/mod/*+disp32 4/rm32/sib 1/base 2/index 3/scale -4/disp32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-register-indirect-mode-with-sib-byte-negative-displacement"/imm32
|
|
68/push "ab 2/mod/*+disp32 4/rm32/sib 0x00000001/base 0x00000002/index 0x00000003/scale 0xfffffffc/disp32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-subx-sigils-indirect-mode-without-register:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-input-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-input-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# initialize input
|
|
# . write(_test-input-stream, "ab *Foo")
|
|
# . . push args
|
|
68/push "ab *Foo"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# subx-sigils(_test-input-buffered-file, _test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
68/push _test-input-buffered-file/imm32
|
|
# . . call
|
|
e8/call subx-sigils/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check that the line just passed through
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump _test-output-stream {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 5/rm32/.disp32 Foo/disp32 \n", msg)
|
|
# . . push args
|
|
68/push "F - test-subx-sigils-indirect-mode-without-register"/imm32
|
|
68/push "ab 0/mod/indirect 5/rm32/.disp32 Foo/disp32 \n"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
emit-direct-mode: # out : (address buffered-file), word-slice : (address slice)
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
50/push-eax
|
|
# var local-slice/eax : (ref slice) = {word-slice->start, word-slice->end}
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax
|
|
ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4)
|
|
ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax
|
|
89/copy 3/mod/direct 0/rm32/eax . . . 4/r32/esp . . # copy esp to eax
|
|
# ++local-slice->start to skip '%'
|
|
# . ++(*eax)
|
|
ff 0/subop/increment 0/mod/indirect 0/rm32/eax . . . . . . # increment *eax
|
|
# local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/")
|
|
# . . push args
|
|
50/push-eax
|
|
68/push 0x2f/imm32/slash
|
|
ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4)
|
|
ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax
|
|
# . . call
|
|
e8/call next-token-from-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp
|
|
# reg-num/eax = get-slice(Registers, local-slice, row-size=8)
|
|
# . . push args
|
|
68/push "Registers"/imm32
|
|
68/push 8/imm32/row-size
|
|
50/push-eax
|
|
68/push Registers/imm32
|
|
# . . call
|
|
e8/call get-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp
|
|
# write-buffered(out, "3/mod/direct ")
|
|
# . . push args
|
|
68/push "3/mod/direct "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# print-int32-buffered(out, *reg-num)
|
|
# . . push args
|
|
ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# write-buffered(out, "/rm32")
|
|
# . . push args
|
|
68/push "/rm32"/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
$emit-direct-mode:end:
|
|
# . reclaim locals
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . restore registers
|
|
58/pop-to-eax
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-direct-mode:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx = "%eax"
|
|
b8/copy-to-eax "%eax"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# emit-direct-mode(_test-output-buffered-file, str)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-direct-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "3/mod/direct 0/rm32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-direct-mode/0"/imm32
|
|
68/push "3/mod/direct 0x00000000/rm32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-direct-mode-2:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx = "%edi"
|
|
b8/copy-to-eax "%edi"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# emit-direct-mode(_test-output-buffered-file, str/ecx)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-direct-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "3/mod/direct 7/rm32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-direct-mode/1"/imm32
|
|
68/push "3/mod/direct 0x00000007/rm32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# (re)compute the bounds of the next word or parenthetical expression in the line
|
|
# return empty string on reaching end of file
|
|
#
|
|
# error messages considered:
|
|
# * ... -> error: no space after '*'
|
|
# *(... -> error: *(...) expression must be all on a single line
|
|
next-word-or-expression: # line : (address stream byte), out : (address slice)
|
|
# pseudocode:
|
|
# skip-chars-matching(line, ' ')
|
|
# if line->read >= line->write # end of line
|
|
# out = {0, 0}
|
|
# return
|
|
# out->start = &line->data[line->read]
|
|
# if line->data[line->read] == '#' # comment
|
|
# out.end = &line->data[line->write]
|
|
# return
|
|
# if line->data[line->read] == '"' # string literal
|
|
# skip-string(line)
|
|
# else if line->data[line->read] == '*' # expression
|
|
# if line->data[line->read + 1] == ' '
|
|
# abort
|
|
# if line->data[line->read + 1] == '('
|
|
# skip-until-close-paren(line)
|
|
# if (line->data[line->read] != ')'
|
|
# abort
|
|
# ++line->data[line->read] to skip ')'
|
|
# skip-chars-not-matching-whitespace(line)
|
|
# out->end = &line->data[line->read]
|
|
#
|
|
# registers:
|
|
# ecx: often line->read
|
|
# eax: often line->data[line->read]
|
|
#
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
50/push-eax
|
|
51/push-ecx
|
|
56/push-esi
|
|
57/push-edi
|
|
# esi = line
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
|
|
# edi = out
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi
|
|
# skip-chars-matching(line, ' ')
|
|
# . . push args
|
|
68/push 0x20/imm32/space
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call skip-chars-matching/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
$next-word-or-expression:check0:
|
|
# if (line->read >= line->write) clear out and return
|
|
# . ecx = line->read
|
|
8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx
|
|
# . if (ecx < line->write) goto next check
|
|
3b/compare 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # compare ecx with *esi
|
|
7c/jump-if-lesser $next-word-or-expression:check-for-comment/disp8
|
|
# . return out = {0, 0}
|
|
c7 0/subop/copy 0/mod/direct 7/rm32/edi . . . . . 0/imm32 # copy to *edi
|
|
c7 0/subop/copy 1/mod/*+disp8 7/rm32/edi . . . . 4/disp8 0/imm32 # copy to *(edi+4)
|
|
e9/jump $next-word-or-expression:end/disp32
|
|
$next-word-or-expression:check-for-comment:
|
|
# out->start = &line->data[line->read]
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/eax 0xc/disp8 . # copy esi+ecx+12 to eax
|
|
89/copy 0/mod/indirect 7/rm32/edi . . . 0/r32/eax . . # copy eax to *edi
|
|
# if (line->data[line->read] != '#') goto next check
|
|
# . eax = line->data[line->read]
|
|
31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax
|
|
8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0xc/disp8 . # copy byte at *(esi+ecx+12) to AL
|
|
# . if (eax != '#') goto next check
|
|
3d/compare-eax-and 0x23/imm32/pound
|
|
75/jump-if-not-equal $next-word-or-expression:check-for-string-literal/disp8
|
|
$next-word-or-expression:comment:
|
|
# out->end = &line->data[line->write]
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy esi+eax+12 to eax
|
|
89/copy 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 4/disp8 . # copy eax to *(edi+4)
|
|
# line->read = line->write # skip rest of line
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
|
|
89/copy 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 4/disp8 . # copy eax to *(esi+4)
|
|
# return
|
|
eb/jump $next-word-or-expression:end/disp8
|
|
$next-word-or-expression:check-for-string-literal:
|
|
# if (line->data[line->read] != '"') goto next check
|
|
3d/compare-eax-and 0x22/imm32/dquote
|
|
75/jump-if-not-equal $next-word-or-expression:check-for-expression/disp8
|
|
$next-word-or-expression:string-literal:
|
|
# skip-string(line)
|
|
# . . push args
|
|
56/push-esi
|
|
# . . call
|
|
e8/call skip-string/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# skip rest of word
|
|
eb/jump $next-word-or-expression:regular-word/disp8
|
|
$next-word-or-expression:check-for-expression:
|
|
# if (line->data[line->read] != '*') goto next check
|
|
3d/compare-eax-and 0x2a/imm32/asterisk
|
|
75/jump-if-not-equal $next-word-or-expression:regular-word/disp8
|
|
# if (line->data[line->read + 1] == ' ') goto error1
|
|
8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0xd/disp8 . # copy byte at *(esi+ecx+12+1) to AL
|
|
3d/compare-eax-and 0x20/imm32/space
|
|
74/jump-if-equal $next-word-or-expression:error1/disp8
|
|
# if (line->data[line->read + 1] != '(') goto regular word
|
|
3d/compare-eax-and 0x28/imm32/open-paren
|
|
75/jump-if-not-equal $next-word-or-expression:regular-word/disp8
|
|
$next-word-or-expression:paren:
|
|
# skip-until-close-paren(line)
|
|
# . . push args
|
|
56/push-esi
|
|
# . . call
|
|
e8/call skip-until-close-paren/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# if (line->data[line->read] != ')') goto error2
|
|
# . eax = line->data[line->read]
|
|
8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx
|
|
8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0xc/disp8 . # copy byte at *(esi+ecx+12) to AL
|
|
# . if (eax != ')') goto error2
|
|
3d/compare-eax-and 0x29/imm32/close-paren
|
|
75/jump-if-not-equal $next-word-or-expression:error2/disp8
|
|
# skip ')'
|
|
ff 0/subop/increment 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # increment *(esi+4)
|
|
# fall through
|
|
$next-word-or-expression:regular-word:
|
|
# skip-chars-not-matching-whitespace(line) # including trailing newline
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call skip-chars-not-matching-whitespace/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# out->end = &line->data[line->read]
|
|
8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/eax 0xc/disp8 . # copy esi+ecx+12 to eax
|
|
89/copy 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 4/disp8 . # copy eax to *(edi+4)
|
|
$next-word-or-expression:end:
|
|
# . restore registers
|
|
5f/pop-to-edi
|
|
5e/pop-to-esi
|
|
59/pop-to-ecx
|
|
58/pop-to-eax
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
$next-word-or-expression:error1:
|
|
# print(stderr, "error: no space allowed after '*' in '" line "'")
|
|
# . write-buffered(Stderr, "error: no space allowed after '*' in '")
|
|
# . . push args
|
|
68/push "error: no space allowed after '*' in '"/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-stream-data(Stderr, line)
|
|
# . . push args
|
|
56/push-esi
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-stream-data/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "'")
|
|
# . . push args
|
|
68/push "'"/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
$next-word-or-expression:error2:
|
|
# print(stderr, "error: *(...) expression must be all on a single line in '" line "'")
|
|
# . write-buffered(Stderr, "error: *(...) expression must be all on a single line in '")
|
|
# . . push args
|
|
68/push "error: *(...) expression must be all on a single line in '"/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-stream-data(Stderr, line)
|
|
# . . push args
|
|
56/push-esi
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-stream-data/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "'")
|
|
# . . push args
|
|
68/push "'"/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
test-next-word-or-expression:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx : (ref slice)
|
|
68/push 0/imm32/end
|
|
68/push 0/imm32/start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# write(_test-input-stream, " ab")
|
|
# . . push args
|
|
68/push " ab"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# next-word-or-expression(_test-input-stream, slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call next-word-or-expression/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check-ints-equal(_test-input-stream->read, 4, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression/updates-stream-read-correctly"/imm32
|
|
68/push 4/imm32
|
|
b8/copy-to-eax _test-input-stream/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4)
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->start - _test-input-stream->data, 2, msg)
|
|
# . check-ints-equal(slice->start - _test-input-stream, 14, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression: start"/imm32
|
|
68/push 0xe/imm32
|
|
# . . push slice->start - _test-input-stream
|
|
8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->end - _test-input-stream->data, 4, msg)
|
|
# . check-ints-equal(slice->end - _test-input-stream, 16, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression: end"/imm32
|
|
68/push 0x10/imm32
|
|
# . . push slice->end - _test-input-stream
|
|
8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-word-or-expression-returns-whole-comment:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx : (ref slice)
|
|
68/push 0/imm32/end
|
|
68/push 0/imm32/start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# write(_test-input-stream, " # a")
|
|
# . . push args
|
|
68/push " # a"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# next-word-or-expression(_test-input-stream, slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call next-word-or-expression/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check-ints-equal(_test-input-stream->read, 5, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-whole-comment/updates-stream-read-correctly"/imm32
|
|
68/push 5/imm32
|
|
b8/copy-to-eax _test-input-stream/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4)
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->start - _test-input-stream->data, 2, msg)
|
|
# . check-ints-equal(slice->start - _test-input-stream, 14, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-whole-comment: start"/imm32
|
|
68/push 0xe/imm32
|
|
# . . push slice->start - _test-input-stream
|
|
8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->end - _test-input-stream->data, 5, msg)
|
|
# . check-ints-equal(slice->end - _test-input-stream, 17, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-whole-comment: end"/imm32
|
|
68/push 0x11/imm32
|
|
# . . push slice->end - _test-input-stream
|
|
8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-word-or-expression-returns-empty-slice-on-eof:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx : (ref slice)
|
|
68/push 0/imm32/end
|
|
68/push 0/imm32/start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# write nothing to _test-input-stream
|
|
# next-word-or-expression(_test-input-stream, slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call next-word-or-expression/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check-ints-equal(slice->end - slice->start, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-empty-expression-on-eof"/imm32
|
|
68/push 0/imm32
|
|
# . . push slice->end - slice->start
|
|
8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
|
|
2b/subtract 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # subtract *ecx from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-word-or-expression-returns-string-literal:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx : (ref slice)
|
|
68/push 0/imm32/end
|
|
68/push 0/imm32/start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# write(_test-input-stream, " \"a b\"/imm32 ")
|
|
# . . push args
|
|
68/push " \"a b\"/imm32 "/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# next-word-or-expression(_test-input-stream, slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call next-word-or-expression/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check-ints-equal(slice->start - _test-input-stream->data, 1, msg)
|
|
# . check-ints-equal(slice->start - _test-input-stream, 13, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-string-literal: start"/imm32
|
|
68/push 0xd/imm32
|
|
# . . push slice->start - _test-input-stream
|
|
8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->end - _test-input-stream->data, 12, msg)
|
|
# . check-ints-equal(slice->end - _test-input-stream, 24, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-string-literal: end"/imm32
|
|
68/push 0x18/imm32
|
|
# . . push slice->end - _test-input-stream
|
|
8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-word-or-expression-returns-string-with-escapes:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx : (ref slice)
|
|
68/push 0/imm32/end
|
|
68/push 0/imm32/start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# write(_test-input-stream, " \"a\\\"b\"/x")
|
|
# . . push args
|
|
68/push " \"a\\\"b\"/x"/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# next-word-or-expression(_test-input-stream, slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call next-word-or-expression/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check-ints-equal(slice->start - _test-input-stream->data, 1, msg)
|
|
# . check-ints-equal(slice->start - _test-input-stream, 13, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-string-with-escapes: start"/imm32
|
|
68/push 0xd/imm32
|
|
# . . push slice->start - _test-input-stream
|
|
8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->end - _test-input-stream->data, 9, msg)
|
|
# . check-ints-equal(slice->end - _test-input-stream, 21, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-string-with-escapes: end"/imm32
|
|
68/push 0x15/imm32
|
|
# . . push slice->end - _test-input-stream
|
|
8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-word-or-expression-returns-whole-expression:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-input-stream)
|
|
# . . push args
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# var slice/ecx : (ref slice)
|
|
68/push 0/imm32/end
|
|
68/push 0/imm32/start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# write(_test-input-stream, " *(a b)/imm32 ")
|
|
# . . push args
|
|
68/push " *(a b)/imm32 "/imm32
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# next-word-or-expression(_test-input-stream, slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
68/push _test-input-stream/imm32
|
|
# . . call
|
|
e8/call next-word-or-expression/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# check-ints-equal(slice->start - _test-input-stream->data, 1, msg)
|
|
# . check-ints-equal(slice->start - _test-input-stream, 13, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-whole-expression: start"/imm32
|
|
68/push 0xd/imm32
|
|
# . . push slice->start - _test-input-stream
|
|
8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(slice->end - _test-input-stream->data, 13, msg)
|
|
# . check-ints-equal(slice->end - _test-input-stream, 25, msg)
|
|
# . . push args
|
|
68/push "F - test-next-word-or-expression-returns-whole-expression: end"/imm32
|
|
68/push 0x19/imm32
|
|
# . . push slice->end - _test-input-stream
|
|
8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
|
|
81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# Grammar:
|
|
# *reg -> 0/mod reg/rm32
|
|
# *(reg) -> 0/mod reg/rm32
|
|
# *(reg+disp) -> 2/mod reg/rm32 disp/disp32
|
|
# *(reg1+reg2<<s) -> 2/mod 4/rm32 reg1/base reg2/index s/scale 0/disp32
|
|
# *(reg1+reg2<<s+disp) -> 2/mod 4/rm32 reg1/base reg2/index s/scale disp/disp32
|
|
# Intermediate structure: base, index, scale, disp
|
|
# Default values: base: 0, index: 4 (none), scale: 0, disp: 0
|
|
parse-effective-address: # word-slice : (address slice) -> base/eax, index/ecx, scale/edx, disp/ebx
|
|
# pseudocode:
|
|
# var local-slice = {word-slice->start, word-slice->end}
|
|
# ++local-slice->start to skip '*'
|
|
# initialize defaults: base=0, index=4, scale=0, disp=0
|
|
# if (*local-slice->start != '(') {
|
|
# local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/")
|
|
# base = get-slice(Registers, local-slice, row-size=8)
|
|
# return
|
|
# }
|
|
# # compound expressions
|
|
# skip whitespace
|
|
# read register into base
|
|
# skip whitespace
|
|
# if (*local-slice->start == ')') goto end
|
|
# if (*local-slice->start == '-') goto displacement
|
|
# if (*local-slice->start != '+') goto error1
|
|
# ++local-slice->start to skip '+'
|
|
# skip whitespace
|
|
# if next 3 characters don't make a register, goto displacement
|
|
# read register into index
|
|
# skip whitespace
|
|
# if (*local-slice->start == ')') goto end
|
|
# if (*local-slice->start == '<') {
|
|
# ++local-slice->start to skip '<'
|
|
# if (*local-slice->start != '<') goto error2
|
|
# ++local-slice->start to skip '<'
|
|
# skip whitespace
|
|
# read integer into scale
|
|
# skip whitespace
|
|
# if (*local-slice->start == ')') goto end
|
|
# }
|
|
# if (*local-slice->start not in '+' '-') goto error3
|
|
# displacement:
|
|
# read integer into disp
|
|
# skip whitespace
|
|
# if (*local-slice->start != ')') goto error4
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
56/push-esi
|
|
57/push-edi
|
|
# var local-slice/esi : (ref slice) = {word-slice->start, word-slice->end}
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
89/copy 3/mod/direct 6/rm32/esi . . . 4/r32/esp . . # copy esp to esi
|
|
# ++local-slice->start to skip '*'
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# initialize defaults
|
|
# base is in edi; we'll move it to eax just before we return
|
|
bf/copy-to-edi 0/imm32
|
|
b9/copy-to-ecx 4/imm32/no-index
|
|
ba/copy-to-edx 0/imm32/.scale
|
|
bb/copy-to-ebx 0/imm32/disp
|
|
$parse-effective-address:check-for-simple-register:
|
|
# if (*local-slice->start == '(') goto compound expression
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x28/imm32/open-paren
|
|
74/jump-if-equal $parse-effective-address:compound-expression/disp8
|
|
$parse-effective-address:simple-register:
|
|
# local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/")
|
|
# . . push args
|
|
56/push-esi
|
|
68/push 0x2f/imm32/slash
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call next-token-from-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp
|
|
# base = get-slice(Registers, local-slice, row-size=8)
|
|
# . eax = get-slice(Registers, local-slice, row-size=8)
|
|
# . . push args
|
|
68/push "Registers"/imm32
|
|
68/push 8/imm32/row-size
|
|
56/push-esi
|
|
68/push Registers/imm32
|
|
# . . call
|
|
e8/call get-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp
|
|
# . base = *eax
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 7/r32/edi . . # copy *eax to edi
|
|
# return
|
|
e9/jump $parse-effective-address:end/disp32
|
|
$parse-effective-address:compound-expression:
|
|
# ++local-slice->start to skip '('
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
# read register into base
|
|
# . eax = next-register(local-slice)
|
|
# . . push args
|
|
56/push-esi
|
|
# . . call
|
|
e8/call next-register/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . edi = *eax
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 7/r32/edi . . # copy *eax to edi
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
# if (*local-slice->start == ')') goto end
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x29/imm32/close-paren
|
|
0f 84/jump-if-equal $parse-effective-address:end/disp32
|
|
# if (*local-slice->start == '-') goto displacement
|
|
3d/compare-eax-and 0x2d/imm32/minus
|
|
0f 84/jump-if-equal $parse-effective-address:displacement/disp32
|
|
# if (*local-slice->start != '+') goto error1
|
|
3d/compare-eax-and 0x2b/imm32/plus
|
|
0f 85/jump-if-not-equal $parse-effective-address:error1/disp32
|
|
$parse-effective-address:check-for-index:
|
|
# ++local-slice->start to skip '+'
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
$parse-effective-address:resolve-ambiguity:
|
|
# if next 3 characters don't make a register, goto displacement
|
|
# . spill ecx
|
|
51/push-ecx
|
|
# . var tmp/ecx = {local-slice->start, local-slice->start+3}
|
|
# . . ecx = local-slice->start
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
|
|
# . . eax = local-slice->start+3
|
|
05/add-to-eax 3/imm32
|
|
# . . push
|
|
50/push-eax
|
|
51/push-ecx
|
|
# . . copy esp to ecx
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# . eax = maybe-get-slice(Register, tmp, row-size=8)
|
|
# . . push args
|
|
68/push 8/imm32/row-size
|
|
51/push-ecx
|
|
68/push Registers/imm32
|
|
# . . call
|
|
e8/call maybe-get-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . reclaim tmp
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . restore ecx
|
|
59/pop-to-ecx
|
|
# . if (eax == 0) goto displacement
|
|
3d/compare-eax-and 0/imm32
|
|
0f 84/jump-if-equal $parse-effective-address:displacement/disp32
|
|
$parse-effective-address:index:
|
|
# read register into index
|
|
# . eax = next-register(local-slice)
|
|
# . . push args
|
|
56/push-esi
|
|
# . . call
|
|
e8/call next-register/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . ecx = *eax
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
# if (*local-slice->start == ')') goto end
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x29/imm32/close-paren
|
|
0f 84/jump-if-equal $parse-effective-address:end/disp32
|
|
$parse-effective-address:check-for-scale:
|
|
# if (*local-slice->start != '<') goto next check
|
|
3d/compare-eax-and 0x3c/imm32/less-than
|
|
75/jump-if-not-equal $parse-effective-address:check-for-displacement/disp8
|
|
# ++local-slice->start to skip '<'
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# if (*local-slice->start != '<') goto error2
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x3c/imm32/less-than
|
|
0f 85/jump-if-not-equal $parse-effective-address:error2/disp32
|
|
# ++local-slice->start to skip '<'
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
$parse-effective-address:scale:
|
|
# read positive integer into scale
|
|
# . eax = next-positive-hex-int(local-slice)
|
|
# . . push args
|
|
56/push-esi
|
|
# . . call
|
|
e8/call next-positive-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . edx = eax
|
|
89/copy 3/mod/direct 2/rm32/edx . . . 0/r32/eax . . # copy eax to edx
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
# if (*local-slice->start == ')') goto end
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x29/imm32/close-paren
|
|
74/jump-if-equal $parse-effective-address:end/disp8
|
|
$parse-effective-address:check-for-displacement:
|
|
# if (*local-slice->start not in '+' '-') goto error3
|
|
3d/compare-eax-and 0x2b/imm32/plus
|
|
74/jump-if-equal $parse-effective-address:displacement/disp8
|
|
3d/compare-eax-and 0x2d/imm32/minus
|
|
74/jump-if-equal $parse-effective-address:displacement/disp8
|
|
e9/jump $parse-effective-address:error3/disp32
|
|
$parse-effective-address:displacement:
|
|
# read integer into disp
|
|
# . eax = next-hex-int(local-slice)
|
|
# . . push args
|
|
56/push-esi
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . ebx = eax
|
|
89/copy 3/mod/direct 3/rm32/ebx . . . 0/r32/eax . . # copy eax to ebx
|
|
# skip whitespace
|
|
# . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . local-slice->start = eax
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi
|
|
# if (*local-slice->start != ')') goto error4
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x29/imm32/close-paren
|
|
0f 85/jump-if-not-equal $parse-effective-address:error4/disp32
|
|
$parse-effective-address:end:
|
|
# return base in eax
|
|
89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax
|
|
# . reclaim locals
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . restore registers
|
|
5f/pop-to-edi
|
|
5e/pop-to-esi
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
$parse-effective-address:error1:
|
|
# print(stderr, "error: unexpected character: " eax "\n")
|
|
# . write-buffered(Stderr, "error: unexpected character: ")
|
|
# . . push args
|
|
68/push "error: unexpected character: "/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, eax)
|
|
# . . push args
|
|
50/push-eax
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "\n")
|
|
# . . push args
|
|
68/push Newline/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
$parse-effective-address:error2:
|
|
# print(stderr, "error: '<' can only be followed by '<' but got: " eax "\n")
|
|
# . write-buffered(Stderr, "error: '<' can only be followed by '<' but got: ")
|
|
# . . push args
|
|
68/push "error: '<' can only be followed by '<' but got: "/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, eax)
|
|
# . . push args
|
|
50/push-eax
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "\n")
|
|
# . . push args
|
|
68/push Newline/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
$parse-effective-address:error3:
|
|
# print(stderr, "error: unexpected character before displacement: " eax "\n")
|
|
# . write-buffered(Stderr, "error: unexpected character before displacement: ")
|
|
# . . push args
|
|
68/push "error: unexpected character before displacement: "/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, eax)
|
|
# . . push args
|
|
50/push-eax
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "\n")
|
|
# . . push args
|
|
68/push Newline/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
$parse-effective-address:error4:
|
|
# print(stderr, "error: unexpected character after displacement: " eax "; expected ')' to wrap up\n")
|
|
# . write-buffered(Stderr, "error: unexpected character after displacement: ")
|
|
# . . push args
|
|
68/push "error: unexpected character after displacement: "/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, eax)
|
|
# . . push args
|
|
50/push-eax
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(Stderr, "; expected ')' to wrap up\n")
|
|
# . . push args
|
|
68/push "; expected ')' to wrap up\n"/imm32
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
# assumes 'in' starts with a register name, and returns pointer to its code
|
|
# side-effect: modifies 'in' to scan past the initial register name
|
|
next-register: # in : (address slice) -> reg/eax : int
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
51/push-ecx
|
|
56/push-esi
|
|
# esi = in
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
|
|
# var reg-slice/ecx : (ref slice) = {in->start, in->start + 3}
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
|
|
05/add-to-eax 3/imm32
|
|
50/push-eax
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# in->start += 3
|
|
81 0/subop/add 0/mod/indirect 6/rm32/esi . . . . . 3/imm32 # add to *esi
|
|
# eax = get-slice(Registers, reg-slice, row-size=8)
|
|
# . . push args
|
|
68/push "next-register"/imm32
|
|
68/push 8/imm32/row-size
|
|
51/push-ecx
|
|
68/push Registers/imm32
|
|
# . . call
|
|
e8/call get-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp
|
|
$next-register:end:
|
|
# . reclaim locals
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . restore registers
|
|
5e/pop-to-esi
|
|
59/pop-to-ecx
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-simple:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*esi"
|
|
b8/copy-to-eax "*esi"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-simple/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 4, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-simple/index"/imm32
|
|
68/push 4/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-simple/scale"/imm32
|
|
68/push 0/imm32/none
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-simple/displacement"/imm32
|
|
68/push 0/imm32/none
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-base:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*(esi )"
|
|
b8/copy-to-eax "*(esi )"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 4, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base/index"/imm32
|
|
68/push 4/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base/scale"/imm32
|
|
68/push 0/imm32/none
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base/displacement"/imm32
|
|
68/push 0/imm32/none
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-base-displacement:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*(esi+3)"
|
|
b8/copy-to-eax "*(esi+3)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-displacement/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 4, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-displacement/index"/imm32
|
|
68/push 4/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-displacement/scale"/imm32
|
|
68/push 0/imm32/none
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, 3, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-displacement/displacement"/imm32
|
|
68/push 3/imm32
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-base-negative-displacement:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*(esi-3)"
|
|
b8/copy-to-eax "*(esi-3)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-negative-displacement/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 4, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-negative-displacement/index"/imm32
|
|
68/push 4/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-negative-displacement/scale"/imm32
|
|
68/push 0/imm32/none
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, -3, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-negative-displacement/displacement"/imm32
|
|
68/push -3/imm32
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-base-index:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*(esi+ecx)"
|
|
b8/copy-to-eax "*(esi+ecx)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 1, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index/index"/imm32
|
|
68/push 1/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index/scale"/imm32
|
|
68/push 0/imm32/none
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index/displacement"/imm32
|
|
68/push 0/imm32
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-base-index-scale:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*(esi+ecx<<2)"
|
|
b8/copy-to-eax "*(esi+ecx<<2)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 1, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/index"/imm32
|
|
68/push 1/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 2, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/scale"/imm32
|
|
68/push 2/imm32
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/displacement"/imm32
|
|
68/push 0/imm32
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-parse-effective-address-base-index-scale-displacement:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var slice/ecx = "*(esi + ecx<<2 - 0x34)"
|
|
b8/copy-to-eax "*(esi + ecx<<2 - 0x34)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# . ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax, ecx, edx, ebx = parse-effective-address(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call parse-effective-address/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# slice clobbered beyond this point
|
|
# check-ints-equal(eax, 6, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/base"/imm32
|
|
68/push 6/imm32/esi
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ecx, 1, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/index"/imm32
|
|
68/push 1/imm32/none
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(edx, 2, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/scale"/imm32
|
|
68/push 2/imm32
|
|
52/push-edx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# check-ints-equal(ebx, -0x34, msg)
|
|
# . . push args
|
|
68/push "F - test-parse-effective-address-base-index-scale/displacement"/imm32
|
|
68/push -0x34/imm32
|
|
53/push-ebx
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# Code generation:
|
|
# if base is esp, then goto emit-sib
|
|
# if base is ebp, then goto emit-sib
|
|
# if index is none and disp is 0, then mod = 0 and rm32 = base
|
|
# if index is none, then mod = 2 and rm32 = base and disp32 = disp
|
|
# emit-sib:
|
|
# if index is not none, then mod = 2 and rm32 = 4 and base = base and index = index and disp32 = disp
|
|
emit-indirect-mode: # out : (address buffered-file), base : int, index : int, scale : int, disp : int
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
$emit-indirect-mode:check-for-ebp:
|
|
# if (base == 5) goto emit-sib
|
|
81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 5/imm32 # compare *(ebp+12)
|
|
74/jump-if-equal $emit-indirect-mode:emit-sib/disp8
|
|
$emit-indirect-mode:check-for-esp:
|
|
# if (base == 4) goto emit-sib
|
|
81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 4/imm32 # compare *(ebp+12)
|
|
74/jump-if-equal $emit-indirect-mode:emit-sib/disp8
|
|
$emit-indirect-mode:check-for-sib:
|
|
# if (index == 4/none) goto next check
|
|
81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 4/imm32 # compare *(ebp+16)
|
|
0f 84/jump-if-equal $emit-indirect-mode:check-for-disp/disp32
|
|
$emit-indirect-mode:emit-sib:
|
|
# emit(out, "2/mod/indirect 4/rm32/sib " base "/base " index "/index " scale "/scale " disp "/disp32")
|
|
# . write-buffered(out, "2/mod/*+disp32 4/rm32/sib ")
|
|
# . . push args
|
|
68/push "2/mod/*+disp32 4/rm32/sib "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, base)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/base ")
|
|
# . . push args
|
|
68/push "/base "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, index)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 . # push *(ebp+16)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/index ")
|
|
# . . push args
|
|
68/push "/index "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, scale)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x14/disp8 . # push *(ebp+20)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/scale ")
|
|
# . . push args
|
|
68/push "/scale "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, disp)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x18/disp8 . # push *(ebp+24)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/disp32")
|
|
# . . push args
|
|
68/push "/disp32"/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
e9/jump $emit-indirect-mode:end/disp32
|
|
$emit-indirect-mode:check-for-disp:
|
|
# if (disp == 0) goto next check
|
|
81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0x18/disp8 0/imm32 # compare *(ebp+24)
|
|
74/jump-if-equal $emit-indirect-mode:emit-indirect/disp8
|
|
$emit-indirect-mode:emit-disp:
|
|
# emit(out, "2/mod/*+disp32 " base "/rm32 " disp "/disp32")
|
|
# . write-buffered(out, "2/mod/*+disp32 ")
|
|
# . . push args
|
|
68/push "2/mod/*+disp32 "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, base)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/rm32 ")
|
|
# . . push args
|
|
68/push "/rm32 "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, disp)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x18/disp8 . # push *(ebp+24)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/disp32")
|
|
# . . push args
|
|
68/push "/disp32"/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
eb/jump $emit-indirect-mode:end/disp8
|
|
$emit-indirect-mode:emit-indirect:
|
|
# emit(out, "0/mod/indirect " base "/rm32")
|
|
# . write-buffered(out, "0/mod/indirect ")
|
|
# . . push args
|
|
68/push "0/mod/indirect "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . print-int32-buffered(out, base)
|
|
# . . push args
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . write-buffered(out, "/rm32")
|
|
# . . push args
|
|
68/push "/rm32"/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
$emit-indirect-mode:end:
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 0, 4/none, 0, 0)
|
|
# . . write args
|
|
68/push 0/imm32/.disp
|
|
68/push 0/imm32/.scale
|
|
68/push 4/imm32/.index/none
|
|
68/push 0/imm32/.base
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "0/mod/indirect 0/rm32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode"/imm32
|
|
68/push "0/mod/indirect 0x00000000/rm32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode-2:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 6, 4/none, 0, 0)
|
|
# . . write args
|
|
68/push 0/imm32/.disp
|
|
68/push 0/imm32/.scale
|
|
68/push 4/imm32/.index/none
|
|
68/push 7/imm32/.base
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "0/mod/indirect 7/rm32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode-2"/imm32
|
|
68/push "0/mod/indirect 0x00000007/rm32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode-with-disp:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 6, 4/none, 0, 4)
|
|
# . . write args
|
|
68/push 4/imm32/.disp
|
|
68/push 0/imm32/.scale
|
|
68/push 4/imm32/.index/none
|
|
68/push 6/imm32/.base
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "2/mod/*+disp32 6/rm32 4/disp32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode-with-disp"/imm32
|
|
68/push "2/mod/*+disp32 0x00000006/rm32 0x00000004/disp32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode-with-disp-negative:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 6, 4/none, 0, -4)
|
|
# . . write args
|
|
68/push -4/imm32/.disp
|
|
68/push 0/imm32/.scale
|
|
68/push 4/imm32/.index/none
|
|
68/push 6/imm32/.base
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "2/mod/*+disp32 6/rm32 -4/disp32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode-with-disp"/imm32
|
|
68/push "2/mod/*+disp32 0x00000006/rm32 0xfffffffc/disp32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode-with-sib:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 6/base, 1/index, 2/scale, 4/disp)
|
|
# . . write args
|
|
68/push 4/imm32/.disp
|
|
68/push 2/imm32/.scale
|
|
68/push 1/imm32/.index
|
|
68/push 6/imm32/.base
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "2/mod/indirect 4/rm32/sib 6/base 1/index 2/scale 4/disp", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode-with-sib"/imm32
|
|
68/push "2/mod/*+disp32 4/rm32/sib 0x00000006/base 0x00000001/index 0x00000002/scale 0x00000004/disp32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode-ebp:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 5/base, 0/index, 0/scale, 0/disp)
|
|
# . . write args
|
|
68/push 0/imm32/.disp
|
|
68/push 0/imm32/.scale
|
|
68/push 0/imm32/.index
|
|
68/push 5/imm32/.base/ebp
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "2/mod/*+disp32 4/rm32/sib 5/base/ebp 0/index 0/scale 0/disp32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode-ebp"/imm32
|
|
68/push "2/mod/*+disp32 4/rm32/sib 0x00000005/base 0x00000000/index 0x00000000/scale 0x00000000/disp32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-emit-indirect-mode-esp:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# setup
|
|
# . clear-stream(_test-output-stream)
|
|
# . . push args
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . clear-stream($_test-output-buffered-file->buffer)
|
|
# . . push args
|
|
68/push $_test-output-buffered-file->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# emit-indirect-mode(_test-output-buffered-file, 4/base, 0/index, 0/scale, 0/disp)
|
|
# . . write args
|
|
68/push 0/imm32/.disp
|
|
68/push 0/imm32/.scale
|
|
68/push 0/imm32/.index
|
|
68/push 4/imm32/.base/esp
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call emit-indirect-mode/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp
|
|
# . flush(_test-output-buffered-file)
|
|
# . . push args
|
|
68/push _test-output-buffered-file/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
#? # dump output {{{
|
|
#? # . write(2/stderr, "^")
|
|
#? # . . push args
|
|
#? 68/push "^"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write-stream(2/stderr, _test-output-stream)
|
|
#? # . . push args
|
|
#? 68/push _test-output-stream/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write-stream/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # . write(2/stderr, "$\n")
|
|
#? # . . push args
|
|
#? 68/push "$\n"/imm32
|
|
#? 68/push 2/imm32/stderr
|
|
#? # . . call
|
|
#? e8/call write/disp32
|
|
#? # . . discard args
|
|
#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
#? # }}}
|
|
# check-stream-equal(_test-output-stream, "2/mod/*+disp32 4/rm32/sib 4/base/ebp 0/index 0/scale 0/disp32", msg)
|
|
# . . push args
|
|
68/push "F - test-emit-indirect-mode-esp"/imm32
|
|
68/push "2/mod/*+disp32 4/rm32/sib 0x00000004/base 0x00000000/index 0x00000000/scale 0x00000000/disp32"/imm32
|
|
68/push _test-output-stream/imm32
|
|
# . . call
|
|
e8/call check-stream-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
disp32-mode?: # in : (address slice) -> reg/eax : boolean
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
56/push-esi
|
|
57/push-edi
|
|
# var local-slice/esi : (ref slice) = {in->start, in->end}
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
89/copy 3/mod/direct 6/rm32/esi . . . 4/r32/esp . . # copy esp to esi
|
|
# ++local-slice->start to skip '*'
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# if (*local-slice->start == '(') return false
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
|
|
8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL
|
|
81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax
|
|
3d/compare-eax-and 0x28/imm32/open-paren
|
|
74/jump-if-equal $disp32-mode?:false/disp8
|
|
$disp32-mode?:check-for-register:
|
|
# local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/")
|
|
# . . push args
|
|
56/push-esi
|
|
68/push 0x2f/imm32/slash
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
# . . call
|
|
e8/call next-token-from-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp
|
|
# reg-num/eax = maybe-get-slice(Registers, local-slice, row-size=8)
|
|
# . . push args
|
|
68/push 8/imm32/row-size
|
|
56/push-esi
|
|
68/push Registers/imm32
|
|
# . . cal
|
|
e8/call maybe-get-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# if (eax != 0) return false
|
|
3d/compare-eax-and 0/imm32
|
|
75/jump-if-not-equal $disp32-mode?:false/disp8
|
|
# return true
|
|
b8/copy-to-eax 1/imm32/true
|
|
eb/jump $disp32-mode?:end/disp8
|
|
$disp32-mode?:false:
|
|
b8/copy-to-eax 0/imm32/false
|
|
$disp32-mode?:end:
|
|
# . reclaim locals
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . restore registers
|
|
5f/pop-to-edi
|
|
5e/pop-to-esi
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
emit-indirect-disp32: # out : (address buffered-file), word-slice : (address slice)
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
56/push-esi
|
|
# var local-slice/esi : (ref slice) = {in->start, in->end}
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi
|
|
ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4)
|
|
ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi
|
|
89/copy 3/mod/direct 6/rm32/esi . . . 4/r32/esp . . # copy esp to esi
|
|
# ++local-slice->start to skip '*'
|
|
ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi
|
|
# write-buffered(out, "0/mod/indirect 5/rm32/.disp32 ")
|
|
# . . push args
|
|
68/push "0/mod/indirect 5/rm32/.disp32 "/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# write-slice-buffered(out, local-slice)
|
|
# . . push args
|
|
56/push-esi
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-slice-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# write-buffered(out, "/disp32")
|
|
# . . push args
|
|
68/push "/disp32"/imm32
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
|
|
# . . call
|
|
e8/call write-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
$emit-indirect-disp32:end:
|
|
# . reclaim locals
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . restore registers
|
|
5e/pop-to-esi
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# assumes 'in' starts with optional '+' or '-', optional whitespace, and an unsigned integer
|
|
# returns the value of the integer
|
|
# side-effect: modifies 'in' to skip past the integer
|
|
next-hex-int: # in : (address slice) -> result/eax
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
51/push-ecx
|
|
52/push-edx
|
|
53/push-ebx
|
|
56/push-esi
|
|
57/push-edi
|
|
# result/edi = 0
|
|
31/xor 3/mod/direct 7/rm32/edi . . . 7/r32/edi . . # clear edi
|
|
# esi = in
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
|
|
# edx = in->end
|
|
8b/copy 1/mod/*+disp8 6/rm32/esi . . . 2/r32/edx 4/disp8 . # copy *(esi+4) to edx
|
|
# curr/ecx = in->start
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx
|
|
# negate?/ebx = false
|
|
31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx
|
|
# eax = *curr
|
|
31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
$next-hex-int:positive:
|
|
# if (*curr == '+') ++curr
|
|
3d/compare-eax-and 0x2b/imm32/+
|
|
75/jump-if-not-equal $next-hex-int:negative/disp8
|
|
# . ++curr
|
|
41/increment-ecx
|
|
eb/jump $next-hex-int:skip-whitespace/disp8
|
|
$next-hex-int:negative:
|
|
# else if (*curr == '-') ++curr, negate = true
|
|
3d/compare-eax-and 0x2d/imm32/-
|
|
75/jump-if-not-equal $next-hex-int:skip-whitespace/disp8
|
|
$next-hex-int:need-to-negate:
|
|
# . ++curr
|
|
41/increment-ecx
|
|
# . negate = true
|
|
bb/copy-to-ebx 1/imm32/true
|
|
# fall through
|
|
$next-hex-int:skip-whitespace:
|
|
# spill eax
|
|
50/push-eax
|
|
# eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
|
|
# . . push args
|
|
52/push-edx
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call skip-chars-matching-whitespace-in-slice/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# ecx = eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
|
|
# restore eax
|
|
58/pop-to-eax
|
|
$next-hex-int:initial-0:
|
|
# skip past leading '0x'
|
|
# . if (*curr != '0') jump to loop
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
3d/compare-eax-and 0x30/imm32/0
|
|
75/jump-if-not-equal $next-hex-int:loop/disp8
|
|
# . ++curr
|
|
41/increment-ecx
|
|
$next-hex-int:initial-0x:
|
|
# . if (curr >= in->end) return result
|
|
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
|
|
73/jump-if-greater-or-equal-unsigned $next-hex-int:end/disp8
|
|
# . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again
|
|
31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
3d/compare-eax-and 0x78/imm32/x
|
|
75/jump-if-not-equal $next-hex-int:loop/disp8
|
|
# . ++curr
|
|
41/increment-ecx
|
|
$next-hex-int:loop:
|
|
# if (curr >= in->end) break
|
|
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
|
|
73/jump-if-greater-or-equal-unsigned $next-hex-int:break/disp8
|
|
# if (!is-hex-digit?(*curr)) break
|
|
# . eax = *curr
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
# . eax = is-hex-digit?(*curr)
|
|
# . . push args
|
|
50/push-eax
|
|
# . . call
|
|
e8/call is-hex-digit?/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . if (eax == false) break
|
|
3d/compare-eax-and 0/imm32/false
|
|
74/jump-if-equal $next-hex-int:break/disp8
|
|
# eax = from-hex-char(*curr)
|
|
# . . copy arg to eax
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
# . . call
|
|
e8/call from-hex-char/disp32
|
|
# result = result * 16 + eax
|
|
c1/shift 4/subop/left 3/mod/direct 7/rm32/edi . . . . . 4/imm8 # shift edi left by 4 bits
|
|
01/add 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # add eax to edi
|
|
# ++curr
|
|
41/increment-ecx
|
|
# loop
|
|
eb/jump $next-hex-int:loop/disp8
|
|
$next-hex-int:break:
|
|
# if (negate?) result = -result
|
|
81 7/subop/compare 3/mod/direct 3/rm32/ebx . . . . . 0/imm32/false # compare ebx
|
|
74/jump-if-equal $next-hex-int:end/disp8
|
|
$next-hex-int:negate:
|
|
f7 3/subop/negate 3/mod/direct 7/rm32/edi . . . . . . # negate edi
|
|
$next-hex-int:end:
|
|
# word-slice->start = curr
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy ecx to *esi
|
|
# return edi
|
|
89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax
|
|
# . restore registers
|
|
5f/pop-to-edi
|
|
5e/pop-to-esi
|
|
5b/pop-to-ebx
|
|
5a/pop-to-edx
|
|
59/pop-to-ecx
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
$next-hex-int:abort:
|
|
# . _write(2/stderr, error)
|
|
# . . push args
|
|
68/push "next-hex-int: invalid hex char: "/imm32
|
|
68/push 2/imm32/stderr
|
|
# . . call
|
|
e8/call _write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . clear-stream($Stderr->buffer)
|
|
# . . save eax
|
|
50/push-eax
|
|
# . . push args
|
|
68/push $Stderr->buffer/imm32
|
|
# . . call
|
|
e8/call clear-stream/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . . restore eax
|
|
58/pop-to-eax
|
|
# . print-int32-buffered(Stderr, eax)
|
|
# . . push args
|
|
50/push-eax
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call print-int32-buffered/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . flush(Stderr)
|
|
# . . push args
|
|
68/push Stderr/imm32
|
|
# . . call
|
|
e8/call flush/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . _write(2/stderr, "\n")
|
|
# . . push args
|
|
68/push Newline/imm32
|
|
68/push 2/imm32/stderr
|
|
# . . call
|
|
e8/call _write/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
|
|
# . syscall(exit, 1)
|
|
bb/copy-to-ebx 1/imm32
|
|
b8/copy-to-eax 1/imm32/exit
|
|
cd/syscall 0x80/imm8
|
|
# never gets here
|
|
|
|
test-next-hex-int-single-digit:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "+a)"
|
|
b8/copy-to-eax "+a)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 0xa, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-single-digit"/imm32
|
|
68/push 0xa/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-hex-int-multi-digit:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "+ 34a)"
|
|
b8/copy-to-eax "+ 34a)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 0x34a, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-multi-digit"/imm32
|
|
68/push 0x34a/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-hex-int-0x-prefix:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "+0x34)"
|
|
b8/copy-to-eax "+0x34)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 0x34, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-0x-prefix"/imm32
|
|
68/push 0x34/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-hex-int-zero:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "+0)"
|
|
b8/copy-to-eax "+0)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 0, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-zero"/imm32
|
|
68/push 0/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-hex-int-0-prefix:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "+ 03)"
|
|
b8/copy-to-eax "+ 03)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 3, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-0-prefix"/imm32
|
|
68/push 3/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-hex-int-negative:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "-03)"
|
|
b8/copy-to-eax "-03)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, -3, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-negative"/imm32
|
|
68/push -3/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-hex-int-negative-with-space:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "- 03)"
|
|
b8/copy-to-eax "- 03)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, -3, msg)
|
|
# . . push args
|
|
68/push "F - test-next-hex-int-negative-with-space"/imm32
|
|
68/push -3/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# assumes 'in' starts a positive unsigned integer
|
|
# returns the value of the integer
|
|
# side-effect: modifies 'in' to skip past the integer
|
|
next-positive-hex-int: # in : (address slice) -> result/eax
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# . save registers
|
|
51/push-ecx
|
|
52/push-edx
|
|
53/push-ebx
|
|
56/push-esi
|
|
57/push-edi
|
|
# result/edi = 0
|
|
31/xor 3/mod/direct 7/rm32/edi . . . 7/r32/edi . . # clear edi
|
|
# esi = in
|
|
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
|
|
# edx = in->end
|
|
8b/copy 1/mod/*+disp8 6/rm32/esi . . . 2/r32/edx 4/disp8 . # copy *(esi+4) to edx
|
|
# curr/ecx = in->start
|
|
8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx
|
|
# negate?/ebx = false
|
|
31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx
|
|
# eax = *curr
|
|
31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
$next-positive-hex-int:initial-0:
|
|
# skip past leading '0x'
|
|
# . if (*curr != '0') jump to loop
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
3d/compare-eax-and 0x30/imm32/0
|
|
75/jump-if-not-equal $next-positive-hex-int:loop/disp8
|
|
# . ++curr
|
|
41/increment-ecx
|
|
$next-positive-hex-int:initial-0x:
|
|
# . if (curr >= in->end) return result
|
|
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
|
|
73/jump-if-greater-or-equal-unsigned $next-positive-hex-int:end/disp8
|
|
# . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again
|
|
31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
3d/compare-eax-and 0x78/imm32/x
|
|
75/jump-if-not-equal $next-positive-hex-int:loop/disp8
|
|
# . ++curr
|
|
41/increment-ecx
|
|
$next-positive-hex-int:loop:
|
|
# if (curr >= in->end) break
|
|
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
|
|
73/jump-if-greater-or-equal-unsigned $next-positive-hex-int:end/disp8
|
|
# if (!is-hex-digit?(*curr)) break
|
|
# . eax = *curr
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
# . eax = is-hex-digit?(*curr)
|
|
# . . push args
|
|
50/push-eax
|
|
# . . call
|
|
e8/call is-hex-digit?/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# . if (eax == false) break
|
|
3d/compare-eax-and 0/imm32/false
|
|
74/jump-if-equal $next-positive-hex-int:end/disp8
|
|
# eax = from-hex-char(*curr)
|
|
# . . copy arg to eax
|
|
8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL
|
|
# . . call
|
|
e8/call from-hex-char/disp32
|
|
# result = result * 16 + eax
|
|
c1/shift 4/subop/left 3/mod/direct 7/rm32/edi . . . . . 4/imm8 # shift edi left by 4 bits
|
|
01/add 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # add eax to edi
|
|
# ++curr
|
|
41/increment-ecx
|
|
# loop
|
|
eb/jump $next-positive-hex-int:loop/disp8
|
|
$next-positive-hex-int:end:
|
|
# word-slice->start = curr
|
|
89/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy ecx to *esi
|
|
# return edi
|
|
89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax
|
|
# . restore registers
|
|
5f/pop-to-edi
|
|
5e/pop-to-esi
|
|
5b/pop-to-ebx
|
|
5a/pop-to-edx
|
|
59/pop-to-ecx
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-positive-hex-int-single-digit:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "a)"
|
|
b8/copy-to-eax "a)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-positive-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-positive-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 0xa, msg)
|
|
# . . push args
|
|
68/push "F - test-next-positive-hex-int-single-digit"/imm32
|
|
68/push 0xa/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-positive-hex-int-multi-digit:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "34a)"
|
|
b8/copy-to-eax "34a)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-positive-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-positive-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 0x34a, msg)
|
|
# . . push args
|
|
68/push "F - test-next-positive-hex-int-multi-digit"/imm32
|
|
68/push 0x34a/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-positive-hex-int-0x-prefix:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "0x34)"
|
|
b8/copy-to-eax "0x34)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-positive-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-positive-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# check-ints-equal(eax, 0x34, msg)
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# . . push args
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68/push "F - test-next-positive-hex-int-0x-prefix"/imm32
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68/push 0x34/imm32
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50/push-eax
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# . . call
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e8/call check-ints-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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test-next-positive-hex-int-zero:
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# (eax..ecx) = "0"
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b8/copy-to-eax "0"/imm32
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8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
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8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
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05/add-to-eax 4/imm32
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# var slice/ecx = {eax, ecx}
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51/push-ecx
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50/push-eax
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# eax = next-positive-hex-int(slice)
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# . . push args
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51/push-ecx
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# . . call
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e8/call next-positive-hex-int/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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|
# check-ints-equal(eax, 0, msg)
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# . . push args
|
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68/push "F - test-next-positive-hex-int-zero"/imm32
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|
68/push 0/imm32
|
|
50/push-eax
|
|
# . . call
|
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e8/call check-ints-equal/disp32
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# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
test-next-positive-hex-int-0-prefix:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# (eax..ecx) = "03)"
|
|
b8/copy-to-eax "03)"/imm32
|
|
8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx
|
|
8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx
|
|
05/add-to-eax 4/imm32
|
|
# var slice/ecx = {eax, ecx}
|
|
51/push-ecx
|
|
50/push-eax
|
|
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
|
|
# eax = next-positive-hex-int(slice)
|
|
# . . push args
|
|
51/push-ecx
|
|
# . . call
|
|
e8/call next-positive-hex-int/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
|
|
# check-ints-equal(eax, 3, msg)
|
|
# . . push args
|
|
68/push "F - test-next-positive-hex-int-0-prefix"/imm32
|
|
68/push 3/imm32
|
|
50/push-eax
|
|
# . . call
|
|
e8/call check-ints-equal/disp32
|
|
# . . discard args
|
|
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
|
|
# . epilogue
|
|
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
|
|
5d/pop-to-ebp
|
|
c3/return
|
|
|
|
# . . vim:nowrap:textwidth=0
|