done with emit-segments
Only failures now are the first two tests in survey.subx.
This commit is contained in:
Kartik Agaram
parent
58d03e437a
commit
20a527702b
BIN
subx/apps/survey
BIN
subx/apps/survey
Binary file not shown.
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@ -1200,6 +1200,7 @@ emit-segments: # in : (address buffered-file), out : (address buffered-file), s
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# pseudocode:
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# var offset-of-next-instruction = 0
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# var line = new-stream(512, 1)
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# line-loop:
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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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@ -1212,15 +1213,15 @@ emit-segments: # in : (address buffered-file), out : (address buffered-file), s
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# if slice-starts-with?(word-slice, "#") # comment
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# break
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# if is-label?(word-slice) # no need for label declarations anymore
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# break
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# if slice-equal?(word-slice, "==")
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# break # no need for segment header lines
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# goto line-loop # don't insert empty lines
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# if slice-equal?(word-slice, "==") # no need for segment header lines
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# goto line-loop # don't insert empty lines
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# if length(word-slice) == 2
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# write-slice-buffered(out, word-slice)
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# write-buffered(out, " ")
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# continue
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# datum = next-token(word-slice, "/")
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# info = get(labels, datum)
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# datum = next-token-from-slice(word-slice->start, word-slice->end, "/")
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# info = get-or-insert-slice(labels, datum)
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# if has-metadata?(word-slice, "imm8")
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# abort # label should never go to imm8
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# else if has-metadata?(word-slice, "imm32")
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@ -1235,38 +1236,489 @@ emit-segments: # in : (address buffered-file), out : (address buffered-file), s
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# abort
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# write-buffered(out, "\n")
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#
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# registers:
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# line: ECX
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# word-slice: EDX
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# offset-of-next-instruction: EBX
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# datum: EDI
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# info: ESI (inner loop only)
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# temporaries: EAX, ESI (outer loop)
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#
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# . prolog
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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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56/push-ESI
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57/push-EDI
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# var line/ECX : (address stream byte) = stream(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 = {0, 0}
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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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# var datum/EDI = {0, 0}
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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 7/rm32/EDI . . . 4/r32/ESP . . # copy ESP to EDI
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# offset-of-next-instruction/EBX = 0
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31/xor 3/mod/direct 3/rm32/EBX . . . 3/r32/EBX . . # clear EBX
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$emit-segments: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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#? # dump line {{{
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#? # . write(2/stderr, "LL: ")
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#? # . . push args
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#? 68/push "LL: "/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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#? # write-stream(2/stderr, line)
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#? # . . push args
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#? 51/push-ECX
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#? 68/push 2/imm32/stderr
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#? # . . call
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#? e8/call write-stream/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(2/stderr, "$\n")
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#? # . . push args
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#? 68/push "$\n"/imm32
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#? 68/push 2/imm32/stderr
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#? # . . call
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#? e8/call write/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
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#? # . rewind-stream(line)
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#? # . . push args
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#? 51/push-ECX
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#? # . . call
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#? e8/call rewind-stream/disp32
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#? # . . discard args
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#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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#? # }}}
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$emit-segments: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 $emit-segments:end/disp32
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# offset-of-next-instruction += num-bytes(line)
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# . EAX = num-bytes(line)
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# . . push args
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51/push-ECX
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# . . call
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e8/call num-bytes/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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# . EBX = EAX
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89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX
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$emit-segments:word-loop:
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# next-word(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/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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#? # 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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#? # . 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-segments: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 != 0) break
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3d/compare-EAX-and 0/imm32
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0f 85/jump-if-not-equal $emit-segments:next-line/disp32
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$emit-segments:check-for-comment:
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# if (slice-starts-with?(word-slice, "#")) break
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# . start/ESI = word-slice->start
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8b/copy 0/mod/indirect 2/rm32/EDX . . . 6/r32/ESI . . # copy *EDX to ESI
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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 6/rm32/ESI . . . 0/r32/AL . . # copy byte at *ESI to AL
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# . if (EAX == '#') break
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3d/compare-EAX-and 0x23/imm32/hash
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0f 84/jump-if-equal $emit-segments:next-line/disp32
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$emit-segments:check-for-label:
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# if is-label?(word-slice) break
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# . EAX = is-label?(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 is-label?/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 != 0) break
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3d/compare-EAX-and 0/imm32
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0f 85/jump-if-not-equal $emit-segments:line-loop/disp32
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$emit-segments:check-for-segment-header:
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# if (slice-equal?(word-slice, "==")) break
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# . EAX = slice-equal?(word-slice, "==")
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# . . push args
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68/push "=="/imm32
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52/push-EDX
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# . . call
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e8/call slice-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 != 0) break
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3d/compare-EAX-and 0/imm32
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0f 85/jump-if-not-equal $emit-segments:line-loop/disp32
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$emit-segments:2-character:
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# if (length(word-slice) != 2) goto next check
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# . EAX = length(word-slice)
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8b/copy 1/mod/*+disp8 2/rm32/EDX . . . 0/r32/EAX 4/disp8 . # copy *(EDX+4) to EAX
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2b/subtract 0/mod/indirect 2/rm32/EDX . . . 0/r32/EAX . . # subtract *EDX from EAX
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# . if (EAX != 2) goto next check
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3d/compare-EAX-and 2/imm32
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75/jump-if-not-equal $emit-segments:check-metadata/disp8
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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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# write-buffered(out, " ")
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# . . push args
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68/push " "/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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# continue
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e9/jump $emit-segments:word-loop/disp32
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$emit-segments:check-metadata:
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# - if we get here, 'word-slice' must be a label to be looked up
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# datum/EDI = next-token-from-slice(word-slice->start, word-slice->end, "/")
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# . . push args
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57/push-EDI
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68/push 0x2f/imm32/slash
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ff 6/subop/push 1/mod/*+disp8 2/rm32/EDX . . . . 4/disp8 . # push *(EDX+4)
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ff 6/subop/push 0/mod/indirect 2/rm32/EDX . . . . . . # push *EDX
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# . . call
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e8/call next-token-from-slice/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP
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#? # dump word-slice {{{
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#? # . write(2/stderr, "datum: ")
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#? # . . push args
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#? 68/push "datum: "/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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#? # . write-slice-buffered(Stderr, word-slice)
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#? # . . push args
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#? 57/push-EDI
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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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# info/ESI = get-or-insert-slice(labels, datum, row-size=16)
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# . EAX = get-or-insert-slice(labels, datum, row-size=16)
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# . . push args
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68/push 0x10/imm32/row-size
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57/push-EDI
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ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20)
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# . . call
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e8/call get-or-insert-slice/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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# . ESI = EAX
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89/copy 3/mod/direct 6/rm32/ESI . . . 0/r32/EAX . . # copy EAX to ESI
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$emit-segments:check-for-imm8:
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# if (has-metadata?(word-slice, "imm8")) abort
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# . EAX = has-metadata?(EDX, "imm8")
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# . . push args
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68/push "imm8"/imm32
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52/push-EDX
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# . . call
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e8/call has-metadata?/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 != 0) abort
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3d/compare-EAX-and 0/imm32
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0f 85/jump-if-not-equal $emit-segments:imm8-abort/disp32
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$emit-segments:check-for-imm32:
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# if (!has-metadata?(word-slice, "imm32")) goto next check
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# . EAX = has-metadata?(EDX, "imm32")
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# . . push args
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68/push "imm32"/imm32
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52/push-EDX
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# . . call
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e8/call has-metadata?/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 == 0) goto next check
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3d/compare-EAX-and 0/imm32
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74/jump-if-equal $emit-segments:check-for-disp8/disp8
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#? # dump info->address {{{
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#? # . write(2/stderr, "info->address: ")
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#? # . . push args
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#? 68/push "info->address: "/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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#? # . print-int32-buffered(Stderr, info->address)
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#? # . . push args
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#? ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI . . . . 8/disp8 . # push *(ESI+8)
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#? 68/push Stderr/imm32
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#? # . . call
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#? e8/call print-int32-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-hex(out, info->address, 4)
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# . . push args
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68/push 4/imm32
|
||||
ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI . . . . 8/disp8 . # push *(ESI+8)
|
||||
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
||||
# . . call
|
||||
e8/call emit-hex/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
||||
# continue
|
||||
e9/jump $emit-segments:word-loop/disp32
|
||||
$emit-segments:check-for-disp8:
|
||||
# if (!has-metadata?(word-slice, "disp8")) goto next check
|
||||
# . EAX = has-metadata?(EDX, "disp8")
|
||||
# . . push args
|
||||
68/push "disp8"/imm32
|
||||
52/push-EDX
|
||||
# . . call
|
||||
e8/call has-metadata?/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
# . if (EAX == 0) goto next check
|
||||
3d/compare-EAX-and 0/imm32
|
||||
74/jump-if-equal $emit-segments:check-for-disp32/disp8
|
||||
# emit-hex(out, info->offset - offset-of-next-instruction, 1)
|
||||
# . . push args
|
||||
68/push 1/imm32
|
||||
8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 4/disp8 . # copy *(ESI+4) to EAX
|
||||
29/subtract 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # subtract EBX from EAX
|
||||
50/push-EAX
|
||||
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
||||
# . . call
|
||||
e8/call emit-hex/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
||||
# continue
|
||||
e9/jump $emit-segments:word-loop/disp32
|
||||
$emit-segments:check-for-disp32:
|
||||
# if (!has-metadata?(word-slice, "disp32")) abort
|
||||
# . EAX = has-metadata?(EDX, "disp32")
|
||||
# . . push args
|
||||
68/push "disp32"/imm32
|
||||
52/push-EDX
|
||||
# . . call
|
||||
e8/call has-metadata?/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
# . if (EAX == 0) abort
|
||||
3d/compare-EAX-and 0/imm32
|
||||
74/jump-if-equal $emit-segments:abort/disp8
|
||||
# emit-hex(out, info->offset - offset-of-next-instruction, 4)
|
||||
# . . push args
|
||||
68/push 4/imm32
|
||||
8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 4/disp8 . # copy *(ESI+4) to EAX
|
||||
29/subtract 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # subtract EBX from EAX
|
||||
50/push-EAX
|
||||
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
||||
# . . call
|
||||
e8/call emit-hex/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
||||
# continue
|
||||
e9/jump $emit-segments:word-loop/disp32
|
||||
$emit-segments:next-line:
|
||||
# write-buffered(out, "\n")
|
||||
# . . push args
|
||||
68/push Newline/imm32
|
||||
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
||||
# . . call
|
||||
e8/call write-buffered/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
# loop
|
||||
e9/jump $emit-segments:line-loop/disp32
|
||||
$emit-segments:end:
|
||||
# . reclaim locals
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x21c/imm32 # add to ESP
|
||||
# . restore registers
|
||||
5f/pop-to-EDI
|
||||
5e/pop-to-ESI
|
||||
5b/pop-to-EBX
|
||||
5a/pop-to-EDX
|
||||
59/pop-to-ECX
|
||||
58/pop-to-EAX
|
||||
# . epilog
|
||||
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
||||
5d/pop-to-EBP
|
||||
c3/return
|
||||
|
||||
$emit-segments:imm8-abort:
|
||||
# . _write(2/stderr, error)
|
||||
# . . push args
|
||||
68/push "emit-segments: unexpected /imm8"/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
|
||||
|
||||
$emit-segments:abort:
|
||||
# print(stderr, "missing metadata in " word-slice)
|
||||
# . _write(2/stderr, "missing metadata in word ")
|
||||
# . . push args
|
||||
68/push "emit-segments: missing metadata in "/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-slice-buffered(Stderr, word-slice)
|
||||
# . . push args
|
||||
52/push-EDX
|
||||
68/push Stderr/imm32
|
||||
# . . call
|
||||
e8/call write-slice-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-emit-segments:
|
||||
# input:
|
||||
# in:
|
||||
# == a 0x1000
|
||||
# == code 0x1000
|
||||
# ab cd ef gh
|
||||
# ij x/imm32
|
||||
# == b 0x2000
|
||||
# == data 0x2000
|
||||
# 00
|
||||
# x:
|
||||
# 34
|
||||
# segments:
|
||||
# - 'a': {0x1074, 0, 5}
|
||||
# - 'b': {0x2079, 5, 1}
|
||||
# - 'code': {0x1074, 0, 5}
|
||||
# - 'data': {0x2079, 5, 1}
|
||||
# labels:
|
||||
# - 'l1': {'a', 3, 0x1077}
|
||||
# - 'l2': {'b', 1, 0x207a}
|
||||
# - 'l1': {'code', 3, 0x1077}
|
||||
# - 'x': {'data', 1, 0x207a}
|
||||
#
|
||||
# output:
|
||||
# ab cd ef gh
|
||||
# ij 19 20 00 00
|
||||
# ij 7a 20 00 00
|
||||
# 00
|
||||
# 34
|
||||
#
|
||||
|
|
@ -1319,9 +1771,9 @@ test-emit-segments:
|
|||
68/push 0/imm32/write
|
||||
89/copy 3/mod/direct 2/rm32/EDX . . . 4/r32/ESP . . # copy ESP to EDX
|
||||
# initialize input
|
||||
# . write(_test-input-stream, "== a 0x1000\n")
|
||||
# . write(_test-input-stream, "== code 0x1000\n")
|
||||
# . . push args
|
||||
68/push "== a 0x1000\n"/imm32
|
||||
68/push "== code 0x1000\n"/imm32
|
||||
68/push _test-input-stream/imm32
|
||||
# . . call
|
||||
e8/call write/disp32
|
||||
|
|
@ -1343,9 +1795,9 @@ test-emit-segments:
|
|||
e8/call write/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
# . write(_test-input-stream, "== b 0x2000\n")
|
||||
# . write(_test-input-stream, "== data 0x2000\n")
|
||||
# . . push args
|
||||
68/push "== b 0x2000\n"/imm32
|
||||
68/push "== data 0x2000\n"/imm32
|
||||
68/push _test-input-stream/imm32
|
||||
# . . call
|
||||
e8/call write/disp32
|
||||
|
|
@ -1375,41 +1827,41 @@ test-emit-segments:
|
|||
e8/call write/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
# . stream-add4(segments, "a", 0x1074, 0, 5)
|
||||
# . stream-add4(segments, "code", 0x1074, 0, 5)
|
||||
68/push 5/imm32/segment-size
|
||||
68/push 0/imm32/file-offset
|
||||
68/push 0x1074/imm32/start-address
|
||||
68/push "a"/imm32/segment-name
|
||||
68/push "code"/imm32/segment-name
|
||||
51/push-ECX
|
||||
# . . call
|
||||
e8/call stream-add4/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
|
||||
# . stream-add4(segments, "b", 0x2079, 5, 1)
|
||||
# . stream-add4(segments, "data", 0x2079, 5, 1)
|
||||
68/push 1/imm32/segment-size
|
||||
68/push 5/imm32/file-offset
|
||||
68/push 0x2079/imm32/start-address
|
||||
68/push "b"/imm32/segment-name
|
||||
68/push "data"/imm32/segment-name
|
||||
51/push-ECX
|
||||
# . . call
|
||||
e8/call stream-add4/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
|
||||
# . stream-add4(labels, "l1", "a", 3, 0x1077)
|
||||
# . stream-add4(labels, "l1", "code", 3, 0x1077)
|
||||
68/push 0x1077/imm32/label-address
|
||||
68/push 3/imm32/segment-offset
|
||||
68/push "a"/imm32/segment-name
|
||||
68/push "code"/imm32/segment-name
|
||||
68/push "l1"/imm32/label-name
|
||||
52/push-EDX
|
||||
# . . call
|
||||
e8/call stream-add4/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
|
||||
# . stream-add4(labels, "l2", "b", 1, 0x207a)
|
||||
# . stream-add4(labels, "x", "data", 1, 0x207a)
|
||||
68/push 0x207a/imm32/label-address
|
||||
68/push 1/imm32/segment-offset
|
||||
68/push "b"/imm32/segment-name
|
||||
68/push "l2"/imm32/label-name
|
||||
68/push "data"/imm32/segment-name
|
||||
68/push "x"/imm32/label-name
|
||||
52/push-EDX
|
||||
# . . call
|
||||
e8/call stream-add4/disp32
|
||||
|
|
@ -1427,37 +1879,70 @@ test-emit-segments:
|
|||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP
|
||||
# checks
|
||||
# . check-next-stream-line-equal(_test-output-stream, "ab cd ef gh", msg)
|
||||
#? # dump output {{{
|
||||
#? # . write(2/stderr, "result: ^")
|
||||
#? # . . push args
|
||||
#? 68/push "result: ^"/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
|
||||
#? # . rewind-stream(_test-output-stream)
|
||||
#? # . . push args
|
||||
#? 68/push _test-output-stream/imm32
|
||||
#? # . . call
|
||||
#? e8/call rewind-stream/disp32
|
||||
#? # . . discard args
|
||||
#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
|
||||
#? # }}}
|
||||
# . check-next-stream-line-equal(_test-output-stream, "ab cd ef gh ", msg)
|
||||
# . . push args
|
||||
68/push "F - test-emit-segments/0"/imm32
|
||||
68/push "ab cd ef gh"/imm32
|
||||
68/push "ab cd ef gh "/imm32
|
||||
68/push _test-output-stream/imm32
|
||||
# . . call
|
||||
e8/call check-next-stream-line-equal/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
||||
# . check-next-stream-line-equal(_test-output-stream, "ij 19 20 00 00", msg)
|
||||
# . check-next-stream-line-equal(_test-output-stream, "ij 7a 20 00 00 ", msg)
|
||||
# . . push args
|
||||
68/push "F - test-emit-segments/1"/imm32
|
||||
68/push "ij 19 20 00 00"/imm32
|
||||
68/push "ij 7a 20 00 00 "/imm32
|
||||
68/push _test-output-stream/imm32
|
||||
# . . call
|
||||
e8/call check-next-stream-line-equal/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
||||
# . check-next-stream-line-equal(_test-output-stream, "00", msg)
|
||||
# . check-next-stream-line-equal(_test-output-stream, "00 ", msg)
|
||||
# . . push args
|
||||
68/push "F - test-emit-segments/2"/imm32
|
||||
68/push "00"/imm32
|
||||
68/push "00 "/imm32
|
||||
68/push _test-output-stream/imm32
|
||||
# . . call
|
||||
e8/call check-next-stream-line-equal/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
||||
# . check-next-stream-line-equal(_test-output-stream, "34", msg)
|
||||
# . check-next-stream-line-equal(_test-output-stream, "34 ", msg)
|
||||
# . . push args
|
||||
68/push "F - test-emit-segments/3"/imm32
|
||||
68/push "34"/imm32
|
||||
68/push "34 "/imm32
|
||||
68/push _test-output-stream/imm32
|
||||
# . . call
|
||||
e8/call check-next-stream-line-equal/disp32
|
||||
|
|
@ -2131,6 +2616,13 @@ num-bytes: # line : (address stream) -> EAX : int
|
|||
#? # . . discard args
|
||||
#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
#? # }}}
|
||||
# . rewind-stream(line)
|
||||
# . . push args
|
||||
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8)
|
||||
# . . call
|
||||
e8/call rewind-stream/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
|
||||
$num-bytes:loop:
|
||||
# next-word(line, word-slice)
|
||||
# . . push args
|
||||
|
|
@ -2254,6 +2746,13 @@ $num-bytes:loop-body:
|
|||
01/add 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # add EDX to EAX
|
||||
e9/jump $num-bytes:loop/disp32
|
||||
$num-bytes:end:
|
||||
# . rewind-stream(line)
|
||||
# . . push args
|
||||
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8)
|
||||
# . . call
|
||||
e8/call rewind-stream/disp32
|
||||
# . . discard args
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
|
||||
# . reclaim locals
|
||||
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
||||
# . restore registers
|
||||
|
|
|
|||
Loading…
Reference in New Issue