2019-04-17 06:31:14 +00:00
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# some common helpers shared by phases of the SubX converter
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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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2019-05-27 18:11:36 +00:00
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# 'table' is a stream of (key, value) rows
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2019-06-29 00:31:33 +00:00
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# keys are always strings (addresses; size 4 bytes)
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# values may be any type, but rows (key+value) always occupy 'row-size' bytes
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2019-06-29 01:20:21 +00:00
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# scan 'table' for a row with a key 'key' and return the address of the corresponding value
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# if no row is found, save 'key' to the next available row
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2019-06-29 00:31:33 +00:00
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# if there are no rows free, abort
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2019-06-29 01:20:21 +00:00
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# return the address of the value
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# Beware: assume keys are immutable; they're inserted by reference
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2019-05-26 17:46:26 +00:00
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# TODO: pass in an allocation descriptor
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2019-06-29 01:20:21 +00:00
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get-or-insert: # table : (address stream {string, _}), key : (address string), row-size : int -> EAX : (address _)
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2019-05-26 17:46:26 +00:00
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# pseudocode:
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# curr = table->data
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# max = &table->data[table->write]
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# while curr < max
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2019-06-29 01:20:21 +00:00
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# if string-equal?(key, *curr)
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2019-05-27 18:11:36 +00:00
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# return curr+4
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2019-06-29 00:31:33 +00:00
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# curr += row-size
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2019-05-27 18:11:36 +00:00
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# if table->write >= table->length
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# abort
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2019-06-29 01:20:21 +00:00
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# *max = key
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# table->write += row-size
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# return max+4
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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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51/push-ECX
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52/push-EDX
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56/push-ESI
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# ESI = table
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI
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# curr/ECX = table->data
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8d/copy-address 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 0xc/disp8 . # copy ESI+12 to ECX
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# max/EDX = table->data + table->write
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8b/copy 0/mod/indirect 6/rm32/ESI . . . 2/r32/EDX . . # copy *ESI to EDX
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8d/copy-address 0/mod/indirect 4/rm32/sib 1/base/ECX 2/index/EDX . 2/r32/EDX . . # copy ECX+EDX to EDX
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$get-or-insert:search-loop:
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# if (curr >= max) break
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39/compare 3/mod/direct 1/rm32/ECX . . . 2/r32/EDX . . # compare ECX with EDX
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7d/jump-if-greater-or-equal $get-or-insert:not-found/disp8
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2019-06-30 07:02:02 +00:00
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# if (string-equal?(key, *curr)) return curr+4
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2019-06-29 01:20:21 +00:00
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# . EAX = string-equal?(key, *curr)
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# . . push args
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ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX
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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 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 != 0) return EAX = curr+4
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3d/compare-EAX-and 0/imm32
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74/jump-if-equal $get-or-insert:mismatch/disp8
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8d/copy-address 1/mod/*+disp8 1/rm32/ECX . . . 0/r32/EAX 4/disp8 . # copy ECX+4 to EAX
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eb/jump $get-or-insert:end/disp8
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$get-or-insert:mismatch:
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# curr += row-size
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03/add 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0x10/disp8 . # add *(EBP+16) to ECX
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# loop
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eb/jump $get-or-insert:search-loop/disp8
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$get-or-insert:not-found:
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# result/EAX = 0
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31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX
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# if (table->write >= table->length) abort
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8b/copy 0/mod/indirect 6/rm32/ESI . . . 1/r32/ECX . . # copy *ESI to ECX
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3b/compare 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 8/disp8 . # compare ECX with *(ESI+8)
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2019-07-01 05:28:19 +00:00
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73/jump-if-greater-or-equal-unsigned $get-or-insert:abort/disp8
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2019-06-29 01:20:21 +00:00
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# *max = key
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# . EAX = key
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX
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# . *max = EAX
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89/copy 0/mod/indirect 2/rm32/EDX . . . 0/r32/EAX . . # copy EAX to *EDX
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# table->write += row-size
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# . EAX = row-size
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0x10/disp8 . # copy *(EBP+16) to EAX
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# . table->write += EAX
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01/add 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # add EAX to *ESI
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# return max+4
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# . EAX = max
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89/copy 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # copy EDX to EAX
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# . EAX += 4
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05/add-to-EAX 4/imm32
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$get-or-insert:end:
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# . restore registers
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5e/pop-to-ESI
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5a/pop-to-EDX
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59/pop-to-ECX
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# . epilog
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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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$get-or-insert:abort:
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# . _write(2/stderr, error)
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# . . push args
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68/push "get-or-insert: too many segments"/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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# . syscall(exit, 1)
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bb/copy-to-EBX 1/imm32
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b8/copy-to-EAX 1/imm32/exit
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cd/syscall 0x80/imm8
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# never gets here
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test-get-or-insert:
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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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# var table/ECX : (address stream {string, number}) = stream(2 rows * 8 bytes)
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81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # subtract from ESP
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68/push 0x10/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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$test-get-or-insert:first-call:
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# - start with an empty table, insert one key, verify that it was inserted
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# EAX = get-or-insert(table, "code", 8 bytes per row)
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# . . push args
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68/push 8/imm32/row-size
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68/push "code"/imm32
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51/push-ECX
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# . . call
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e8/call get-or-insert/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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# check-ints-equal(EAX - table->data, 4, msg) # first row's value slot returned
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# . check-ints-equal(EAX - table, 16, msg)
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# . . push args
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68/push "F - test-get-or-insert/0"/imm32
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68/push 0x10/imm32
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29/subtract 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # subtract ECX from EAX
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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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$test-get-or-insert:check2:
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# check-ints-equal(table->write, row-size = 8, msg)
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# . . push args
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68/push "F - test-get-or-insert/1"/imm32
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68/push 8/imm32/row-size
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ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX
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# . . call
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e8/call check-ints-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
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# check-string-equal(*table->data, "code", msg)
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# . . push args
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68/push "F - test-get-or-insert/2"/imm32
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68/push "code"/imm32
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ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0xc/disp8 . # push *(ECX+12)
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# . . call
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e8/call check-string-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
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$test-get-or-insert:second-call:
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# - insert the same key again, verify that it was reused
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# EAX = get-or-insert(table, "code", 8 bytes per row)
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# . . push args
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68/push 8/imm32/row-size
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68/push "code"/imm32
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51/push-ECX
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# . . call
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e8/call get-or-insert/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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# check-ints-equal(EAX - table->data, 4, msg)
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# . check-ints-equal(EAX - table, 16, msg)
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# . . push args
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68/push "F - test-get-or-insert/3"/imm32
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68/push 0x10/imm32
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29/subtract 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # subtract ECX from EAX
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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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# no new row inserted
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# . check-ints-equal(table->write, row-size = 8, msg)
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# . . push args
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68/push "F - test-get-or-insert/4"/imm32
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68/push 8/imm32/row-size
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ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX
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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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# check-string-equal(*table->data, "code", msg)
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# . . push args
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68/push "F - test-get-or-insert/5"/imm32
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68/push "code"/imm32
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ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0xc/disp8 . # push *(ECX+12)
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# . . call
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e8/call check-string-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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$test-get-or-insert:third-call:
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# - insert a new key, verify that it was inserted
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# EAX = get-or-insert(table, "data", 8 bytes per row)
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# . . push args
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68/push 8/imm32/row-size
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68/push "data"/imm32
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51/push-ECX
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# . . call
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e8/call get-or-insert/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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# table gets a new row
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# check-ints-equal(EAX - table->data, 12, msg) # second row's value slot returned
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# . check-ints-equal(EAX - table, 24, msg)
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# . . push args
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68/push "F - test-get-or-insert/6"/imm32
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68/push 0x18/imm32
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29/subtract 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # subtract ECX from EAX
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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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# check-ints-equal(table->write, 2 rows = 16, msg)
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# . . push args
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68/push "F - test-get-or-insert/7"/imm32
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68/push 0x10/imm32/two-rows
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ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX
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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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# check-string-equal(*table->data+8, "data", msg)
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# check-string-equal(*(table+20), "data", msg)
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# . . push args
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68/push "F - test-get-or-insert/8"/imm32
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68/push "data"/imm32
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ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0x14/disp8 . # push *(ECX+20)
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# . . call
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e8/call check-string-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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$test-get-or-insert:end:
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# . epilog
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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
|
|
|
|
|
|
|
|
|
|
# 'table' is a stream of (key, value) rows
|
|
|
|
|
# keys are always strings (addresses; size 4 bytes)
|
|
|
|
|
# values may be any type, but rows (key+value) always occupy 'row-size' bytes
|
|
|
|
|
# scan 'table' for a row with a key 'key' and return the address of the corresponding value
|
|
|
|
|
# if no row is found, save 'key' in the next available row
|
|
|
|
|
# if there are no rows free, abort
|
|
|
|
|
# TODO: pass in an allocation descriptor
|
|
|
|
|
get-or-insert-slice: # table : (address stream {string, _}), key : (address slice), row-size : int -> EAX : (address _)
|
|
|
|
|
# pseudocode:
|
|
|
|
|
# curr = table->data
|
|
|
|
|
# max = &table->data[table->write]
|
|
|
|
|
# while curr < max
|
|
|
|
|
# if slice-equal?(key, *curr)
|
|
|
|
|
# return curr+4
|
|
|
|
|
# curr += row-size
|
|
|
|
|
# if table->write >= table->length
|
|
|
|
|
# abort
|
|
|
|
|
# *max = slice-to-string(Heap, key)
|
2019-06-29 00:31:33 +00:00
|
|
|
# table->write += row-size
|
2019-05-27 18:11:36 +00:00
|
|
|
# return max+4
|
2019-05-26 17:46:26 +00:00
|
|
|
#
|
|
|
|
|
# . prolog
|
|
|
|
|
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
|
|
|
|
|
56/push-ESI
|
|
|
|
|
# ESI = table
|
|
|
|
|
8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI
|
|
|
|
|
# curr/ECX = table->data
|
|
|
|
|
8d/copy-address 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 0xc/disp8 . # copy ESI+12 to ECX
|
|
|
|
|
# max/EDX = table->data + table->write
|
|
|
|
|
8b/copy 0/mod/indirect 6/rm32/ESI . . . 2/r32/EDX . . # copy *ESI to EDX
|
|
|
|
|
8d/copy-address 0/mod/indirect 4/rm32/sib 1/base/ECX 2/index/EDX . 2/r32/EDX . . # copy ECX+EDX to EDX
|
2019-06-29 00:31:33 +00:00
|
|
|
$get-or-insert-slice:search-loop:
|
2019-05-26 17:46:26 +00:00
|
|
|
# if (curr >= max) break
|
|
|
|
|
39/compare 3/mod/direct 1/rm32/ECX . . . 2/r32/EDX . . # compare ECX with EDX
|
2019-07-01 05:28:19 +00:00
|
|
|
73/jump-if-greater-or-equal-unsigned $get-or-insert-slice:not-found/disp8
|
2019-06-30 07:02:02 +00:00
|
|
|
# if (slice-equal?(key, *curr)) return curr+4
|
2019-06-29 01:20:21 +00:00
|
|
|
# . EAX = slice-equal?(key, *curr)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
|
|
|
|
ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call slice-equal?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
2019-05-27 18:11:36 +00:00
|
|
|
# . if (EAX != 0) return EAX = curr+4
|
2019-05-26 17:46:26 +00:00
|
|
|
3d/compare-EAX-and 0/imm32
|
2019-06-29 00:31:33 +00:00
|
|
|
74/jump-if-equal $get-or-insert-slice:mismatch/disp8
|
2019-05-27 18:11:36 +00:00
|
|
|
8d/copy-address 1/mod/*+disp8 1/rm32/ECX . . . 0/r32/EAX 4/disp8 . # copy ECX+4 to EAX
|
2019-06-29 00:31:33 +00:00
|
|
|
eb/jump $get-or-insert-slice:end/disp8
|
|
|
|
|
$get-or-insert-slice:mismatch:
|
|
|
|
|
# curr += row-size
|
2019-05-27 18:11:36 +00:00
|
|
|
03/add 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0x10/disp8 . # add *(EBP+16) to ECX
|
2019-05-26 17:46:26 +00:00
|
|
|
# loop
|
2019-06-29 00:31:33 +00:00
|
|
|
eb/jump $get-or-insert-slice:search-loop/disp8
|
|
|
|
|
$get-or-insert-slice:not-found:
|
2019-05-26 17:46:26 +00:00
|
|
|
# result/EAX = 0
|
|
|
|
|
31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX
|
|
|
|
|
# if (table->write >= table->length) abort
|
|
|
|
|
8b/copy 0/mod/indirect 6/rm32/ESI . . . 1/r32/ECX . . # copy *ESI to ECX
|
|
|
|
|
3b/compare 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 8/disp8 . # compare ECX with *(ESI+8)
|
2019-06-29 00:31:33 +00:00
|
|
|
7d/jump-if-greater-or-equal $get-or-insert-slice:abort/disp8
|
2019-06-29 01:20:21 +00:00
|
|
|
# *max = slice-to-string(Heap, key)
|
|
|
|
|
# . EAX = slice-to-string(Heap, key)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
|
|
|
|
68/push Heap/imm32
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call slice-to-string/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# . *max = EAX
|
|
|
|
|
89/copy 0/mod/indirect 2/rm32/EDX . . . 0/r32/EAX . . # copy EAX to *EDX
|
2019-06-29 00:31:33 +00:00
|
|
|
# table->write += row-size
|
|
|
|
|
# . EAX = row-size
|
2019-05-27 18:11:36 +00:00
|
|
|
8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0x10/disp8 . # copy *(EBP+16) to EAX
|
|
|
|
|
# . table->write += EAX
|
|
|
|
|
01/add 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # add EAX to *ESI
|
|
|
|
|
# return max+4
|
|
|
|
|
# . EAX = max
|
|
|
|
|
89/copy 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # copy EDX to EAX
|
|
|
|
|
# . EAX += 4
|
|
|
|
|
05/add-to-EAX 4/imm32
|
2019-06-29 00:31:33 +00:00
|
|
|
$get-or-insert-slice:end:
|
2019-05-26 17:46:26 +00:00
|
|
|
# . restore registers
|
|
|
|
|
5e/pop-to-ESI
|
|
|
|
|
5a/pop-to-EDX
|
|
|
|
|
59/pop-to-ECX
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
2019-06-29 00:31:33 +00:00
|
|
|
$get-or-insert-slice:abort:
|
2019-05-26 17:46:26 +00:00
|
|
|
# . _write(2/stderr, error)
|
|
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "get-or-insert-slice: too many segments"/imm32
|
2019-05-26 17:46:26 +00:00
|
|
|
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
|
|
|
|
|
|
2019-06-29 00:31:33 +00:00
|
|
|
test-get-or-insert-slice:
|
2019-05-26 17:46:26 +00:00
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
2019-05-27 18:11:36 +00:00
|
|
|
# var table/ECX : (address stream {string, number}) = stream(2 rows * 8 bytes)
|
2019-05-26 17:46:26 +00:00
|
|
|
81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # subtract from ESP
|
|
|
|
|
68/push 0x10/imm32/length
|
|
|
|
|
68/push 0/imm32/read
|
|
|
|
|
68/push 0/imm32/write
|
|
|
|
|
89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX
|
|
|
|
|
# EDX : (address slice) = "code"
|
|
|
|
|
68/push _test-code-segment-end/imm32/end
|
|
|
|
|
68/push _test-code-segment/imm32/start
|
|
|
|
|
89/copy 3/mod/direct 2/rm32/EDX . . . 4/r32/ESP . . # copy ESP to EDX
|
2019-06-29 00:31:33 +00:00
|
|
|
$test-get-or-insert-slice:first-call:
|
2019-05-27 18:11:36 +00:00
|
|
|
# - start with an empty table, insert one key, verify that it was inserted
|
2019-06-29 00:31:33 +00:00
|
|
|
# EAX = get-or-insert-slice(table, "code" slice, 8 bytes per row)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push 8/imm32/row-size
|
2019-05-26 17:46:26 +00:00
|
|
|
52/push-EDX
|
|
|
|
|
51/push-ECX
|
|
|
|
|
# . . call
|
2019-06-29 00:31:33 +00:00
|
|
|
e8/call get-or-insert-slice/disp32
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
2019-05-27 18:11:36 +00:00
|
|
|
# check-ints-equal(EAX - table->data, 4, msg) # first row's value slot returned
|
|
|
|
|
# . check-ints-equal(EAX - table, 16, msg)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/0"/imm32
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push 0x10/imm32
|
|
|
|
|
29/subtract 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # subtract ECX from EAX
|
|
|
|
|
50/push-EAX
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . call
|
|
|
|
|
e8/call check-ints-equal/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
2019-06-29 00:31:33 +00:00
|
|
|
$test-get-or-insert-slice:check2:
|
2019-05-26 17:46:26 +00:00
|
|
|
# check-ints-equal(table->write, row-size = 8, msg)
|
|
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/1"/imm32
|
2019-05-26 17:46:26 +00:00
|
|
|
68/push 8/imm32/row-size
|
|
|
|
|
ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # 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
|
2019-05-27 18:11:36 +00:00
|
|
|
# check-string-equal(*table->data, "code", msg)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/2"/imm32
|
2019-05-26 17:46:26 +00:00
|
|
|
68/push "code"/imm32
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0xc/disp8 . # push *(ECX+12)
|
|
|
|
|
# . . call
|
2019-05-27 18:11:36 +00:00
|
|
|
e8/call check-string-equal/disp32
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
2019-06-29 00:31:33 +00:00
|
|
|
$test-get-or-insert-slice:second-call:
|
2019-05-27 18:11:36 +00:00
|
|
|
# - insert the same key again, verify that it was reused
|
2019-06-29 00:31:33 +00:00
|
|
|
# EAX = get-or-insert-slice(table, "code" slice, 8 bytes per row)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push 8/imm32/row-size
|
2019-05-26 17:46:26 +00:00
|
|
|
52/push-EDX
|
|
|
|
|
51/push-ECX
|
|
|
|
|
# . . call
|
2019-06-29 00:31:33 +00:00
|
|
|
e8/call get-or-insert-slice/disp32
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
2019-05-27 18:11:36 +00:00
|
|
|
# check-ints-equal(EAX - table->data, 4, msg)
|
|
|
|
|
# . check-ints-equal(EAX - table, 16, msg)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/3"/imm32
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push 0x10/imm32
|
|
|
|
|
29/subtract 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # subtract ECX from EAX
|
2019-05-26 17:46:26 +00:00
|
|
|
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
|
2019-05-27 18:11:36 +00:00
|
|
|
# no new row inserted
|
2019-05-26 17:46:26 +00:00
|
|
|
# . check-ints-equal(table->write, row-size = 8, msg)
|
|
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/4"/imm32
|
2019-05-26 17:46:26 +00:00
|
|
|
68/push 8/imm32/row-size
|
|
|
|
|
ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # 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
|
2019-05-27 18:11:36 +00:00
|
|
|
# check-string-equal(*table->data, "code", msg)
|
|
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/5"/imm32
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push "code"/imm32
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0xc/disp8 . # push *(ECX+12)
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call check-string-equal/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
2019-06-29 00:31:33 +00:00
|
|
|
$test-get-or-insert-slice:third-call:
|
2019-05-27 18:11:36 +00:00
|
|
|
# - insert a new key, verify that it was inserted
|
2019-05-26 17:46:26 +00:00
|
|
|
# EDX : (address slice) = "data"
|
|
|
|
|
c7 0/subop/copy 0/mod/indirect 2/rm32/EDX . . . . . _test-data-segment/imm32 # copy to *EDX
|
|
|
|
|
c7 0/subop/copy 1/mod/*+disp8 2/rm32/EDX . . . . 4/disp8 _test-data-segment-end/imm32 # copy to *(EDX+4)
|
2019-06-29 00:31:33 +00:00
|
|
|
# EAX = get-or-insert-slice(table, "data" slice, 8 bytes per row)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push 8/imm32/row-size
|
2019-05-26 17:46:26 +00:00
|
|
|
52/push-EDX
|
|
|
|
|
51/push-ECX
|
|
|
|
|
# . . call
|
2019-06-29 00:31:33 +00:00
|
|
|
e8/call get-or-insert-slice/disp32
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
|
|
|
|
# table gets a new row
|
2019-05-27 18:11:36 +00:00
|
|
|
# check-ints-equal(EAX - table->data, 12, msg) # second row's value slot returned
|
|
|
|
|
# . check-ints-equal(EAX - table, 24, msg)
|
2019-05-26 17:46:26 +00:00
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/6"/imm32
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push 0x18/imm32
|
|
|
|
|
29/subtract 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # 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
|
|
|
|
|
# check-ints-equal(table->write, 2 rows = 16, msg)
|
|
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/7"/imm32
|
2019-05-26 17:46:26 +00:00
|
|
|
68/push 0x10/imm32/two-rows
|
|
|
|
|
ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # 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
|
2019-05-27 18:11:36 +00:00
|
|
|
# check-string-equal(*table->data+8, "data", msg)
|
|
|
|
|
# check-string-equal(*(table+20), "data", msg)
|
|
|
|
|
# . . push args
|
2019-06-29 00:31:33 +00:00
|
|
|
68/push "F - test-get-or-insert-slice/8"/imm32
|
2019-05-27 18:11:36 +00:00
|
|
|
68/push "data"/imm32
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0x14/disp8 . # push *(ECX+20)
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call check-string-equal/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
2019-06-29 00:31:33 +00:00
|
|
|
$test-get-or-insert-slice:end:
|
2019-05-26 17:46:26 +00:00
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
2019-04-17 06:31:14 +00:00
|
|
|
# write an entire stream's contents to a buffered-file
|
|
|
|
|
# ways to do this:
|
2019-05-03 06:32:51 +00:00
|
|
|
# - construct a 'maximal slice' and pass it to write-slice-buffered
|
2019-04-17 06:31:14 +00:00
|
|
|
# - flush the buffered-file and pass the stream directly to its fd (disabling buffering)
|
|
|
|
|
# we'll go with the first way for now
|
|
|
|
|
write-stream-data: # f : (address buffered-file), s : (address stream) -> <void>
|
|
|
|
|
# . prolog
|
|
|
|
|
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
|
|
|
|
|
# ESI = s
|
|
|
|
|
8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI
|
|
|
|
|
# var slice/ECX = {s->data, s->data + s->write}
|
|
|
|
|
# . push s->data + s->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
|
|
|
|
|
50/push-EAX
|
|
|
|
|
# . push s->data
|
|
|
|
|
8d/copy-address 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 0xc/disp8 . # copy ESI+12 to EAX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
# . ECX = ESP
|
|
|
|
|
89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX
|
2019-05-03 06:32:51 +00:00
|
|
|
# write-slice-buffered(f, slice)
|
2019-04-17 06:31:14 +00:00
|
|
|
# . . push args
|
|
|
|
|
51/push-ECX
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8)
|
|
|
|
|
# . . call
|
2019-05-03 06:32:51 +00:00
|
|
|
e8/call write-slice-buffered/disp32
|
2019-04-17 06:31:14 +00:00
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
$write-stream-data:end:
|
|
|
|
|
# . restore 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
|
|
|
|
|
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
|
|
|
|
|
|
|
|
|
|
test-write-stream-data:
|
|
|
|
|
# . prolog
|
|
|
|
|
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+4)
|
|
|
|
|
# . . push args
|
|
|
|
|
b8/copy-to-EAX _test-output-buffered-file/imm32
|
|
|
|
|
05/add-to-EAX 4/imm32
|
|
|
|
|
50/push-EAX
|
|
|
|
|
# . . 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-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
|
|
|
|
|
# initialize input
|
|
|
|
|
# . write(_test-input-stream, "abcd")
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "abcd"/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
|
|
|
|
|
# write-stream-data(_test-output-buffered-file, _test-input-stream)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push _test-input-stream/imm32
|
|
|
|
|
68/push _test-output-buffered-file/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
|
|
|
|
|
# check that the write happened as expected
|
|
|
|
|
# . 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, "abcd", msg)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "F - test-write-stream-data"/imm32
|
|
|
|
|
68/push "abcd"/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
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
2019-06-08 17:51:02 +00:00
|
|
|
has-metadata?: # word : (address slice), s : (address string) -> EAX : boolean
|
|
|
|
|
# pseudocode:
|
|
|
|
|
# var twig : &slice = next-token-from-slice(word->start, word->end, '/') # skip name
|
|
|
|
|
# curr = twig->end
|
|
|
|
|
# while true
|
|
|
|
|
# twig = next-token-from-slice(curr, word->end, '/')
|
|
|
|
|
# if (twig.empty()) break
|
|
|
|
|
# if (slice-equal?(twig, s)) return true
|
|
|
|
|
# curr = twig->end
|
|
|
|
|
# return false
|
2019-06-08 16:27:58 +00:00
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# . save registers
|
2019-06-08 17:51:02 +00:00
|
|
|
51/push-ECX
|
|
|
|
|
52/push-EDX
|
|
|
|
|
56/push-ESI
|
|
|
|
|
57/push-EDI
|
|
|
|
|
# ESI = word
|
|
|
|
|
8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI
|
|
|
|
|
# EDX = word->end
|
|
|
|
|
8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 2/r32/EDX 4/disp8 . # copy *(ESI+4) to EDX
|
|
|
|
|
# var twig/EDI : (address slice) = {0, 0}
|
|
|
|
|
68/push 0/imm32/end
|
|
|
|
|
68/push 0/imm32/start
|
|
|
|
|
89/copy 3/mod/direct 7/rm32/EDI . . . 4/r32/ESP . . # copy ESP to EDI
|
|
|
|
|
# next-token-from-slice(word->start, word->end, '/', twig)
|
|
|
|
|
# . . push args
|
|
|
|
|
57/push-EDI
|
|
|
|
|
68/push 0x2f/imm32/slash
|
|
|
|
|
52/push-EDX
|
|
|
|
|
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
|
|
|
|
|
# curr/ECX = twig->end
|
|
|
|
|
8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 1/r32/ECX 4/disp8 . # copy *(EDI+4) to ECX
|
|
|
|
|
$has-metadata?:loop:
|
|
|
|
|
# next-token-from-slice(curr, word->end, '/', twig)
|
|
|
|
|
# . . push args
|
|
|
|
|
57/push-EDI
|
|
|
|
|
68/push 0x2f/imm32/slash
|
|
|
|
|
52/push-EDX
|
|
|
|
|
51/push-ECX
|
|
|
|
|
# . . 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
|
|
|
|
|
# if (slice-empty?(twig)) return false
|
|
|
|
|
# . EAX = slice-empty?(twig)
|
|
|
|
|
# . . push args
|
|
|
|
|
57/push-EDI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call slice-empty?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
|
|
|
|
|
# . if (EAX != 0) return false
|
|
|
|
|
3d/compare-EAX-and 0/imm32
|
|
|
|
|
75/jump-if-not-equal $has-metadata?:false/disp8
|
|
|
|
|
# if (slice-equal?(twig, s)) return true
|
|
|
|
|
# . EAX = slice-equal?(twig, s)
|
|
|
|
|
# . . push args
|
|
|
|
|
ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12)
|
|
|
|
|
57/push-EDI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call slice-equal?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# . if (EAX != 0) return true
|
|
|
|
|
3d/compare-EAX-and 0/imm32
|
|
|
|
|
75/jump-if-not-equal $has-metadata?:true/disp8
|
|
|
|
|
# curr = twig->end
|
|
|
|
|
8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 1/r32/ECX 4/disp8 . # copy *(EDI+4) to ECX
|
|
|
|
|
eb/jump $has-metadata?:loop/disp8
|
|
|
|
|
$has-metadata?:true:
|
|
|
|
|
b8/copy-to-EAX 1/imm32/true
|
|
|
|
|
eb/jump $has-metadata?:end/disp8
|
|
|
|
|
$has-metadata?:false:
|
|
|
|
|
b8/copy-to-EAX 0/imm32/false
|
|
|
|
|
$has-metadata?: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
|
|
|
|
|
5a/pop-to-EDX
|
|
|
|
|
59/pop-to-ECX
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
2019-06-08 16:27:58 +00:00
|
|
|
|
2019-06-08 17:51:02 +00:00
|
|
|
test-has-metadata-true:
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# (EAX..ECX) = "ab/imm32"
|
|
|
|
|
b8/copy-to-EAX "ab/imm32"/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 in/ESI : (address slice) = {EAX, ECX}
|
|
|
|
|
51/push-ECX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI
|
|
|
|
|
# EAX = has-metadata?(ESI, "imm32")
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "imm32"/imm32
|
|
|
|
|
56/push-ESI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# check-ints-equal(EAX, 1, msg)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "F - test-has-metadata-true"/imm32
|
|
|
|
|
68/push 1/imm32/true
|
|
|
|
|
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
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
|
|
|
|
test-has-metadata-false:
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# (EAX..ECX) = "ab/c"
|
|
|
|
|
b8/copy-to-EAX "ab/c"/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 in/ESI : (address slice) = {EAX, ECX}
|
|
|
|
|
51/push-ECX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI
|
|
|
|
|
# EAX = has-metadata?(ESI, "d")
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "d"/imm32
|
|
|
|
|
56/push-ESI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# check-ints-equal(EAX, 0, msg)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "F - test-has-metadata-false"/imm32
|
|
|
|
|
68/push 0/imm32/false
|
|
|
|
|
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
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
|
|
|
|
test-has-metadata-ignore-name:
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# (EAX..ECX) = "a/b"
|
|
|
|
|
b8/copy-to-EAX "a/b"/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 in/ESI : (address slice) = {EAX, ECX}
|
|
|
|
|
51/push-ECX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI
|
|
|
|
|
# EAX = has-metadata?(ESI, "a")
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "a"/imm32
|
|
|
|
|
56/push-ESI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# check-ints-equal(EAX, 0, msg)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "F - test-has-metadata-ignore-name"/imm32
|
|
|
|
|
68/push 0/imm32/false
|
|
|
|
|
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
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
|
|
|
|
test-has-metadata-multiple-true:
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# (EAX..ECX) = "a/b/c"
|
|
|
|
|
b8/copy-to-EAX "a/b/c"/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 in/ESI : (address slice) = {EAX, ECX}
|
|
|
|
|
51/push-ECX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI
|
|
|
|
|
# EAX = has-metadata?(ESI, "c")
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "c"/imm32
|
|
|
|
|
56/push-ESI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# check-ints-equal(EAX, 1, msg)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "F - test-has-metadata-multiple-true"/imm32
|
|
|
|
|
68/push 1/imm32/true
|
|
|
|
|
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
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
|
|
|
|
test-has-metadata-multiple-false:
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# (EAX..ECX) = "a/b/c"
|
|
|
|
|
b8/copy-to-EAX "a/b/c"/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 in/ESI : (address slice) = {EAX, ECX}
|
|
|
|
|
51/push-ECX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI
|
|
|
|
|
# EAX = has-metadata?(ESI, "d")
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "d"/imm32
|
|
|
|
|
56/push-ESI
|
|
|
|
|
# . . call
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
# check-ints-equal(EAX, 0, msg)
|
|
|
|
|
# . . push args
|
|
|
|
|
68/push "F - test-has-metadata-multiple-false"/imm32
|
|
|
|
|
68/push 0/imm32/false
|
|
|
|
|
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
|
|
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
|
|
|
|
compute-width: # word : (address array byte)
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
# . save registers
|
|
|
|
|
51/push-ECX
|
|
|
|
|
|
|
|
|
|
# EAX = word
|
|
|
|
|
8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to ECX
|
|
|
|
|
|
|
|
|
|
# ECX = word + word->length
|
|
|
|
|
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
|
|
|
|
|
# EAX = word->data
|
|
|
|
|
05/add-to-EAX 4/imm32
|
|
|
|
|
|
|
|
|
|
# var in/ECX : (address slice) = {EAX, ECX}
|
|
|
|
|
51/push-ECX
|
|
|
|
|
50/push-EAX
|
|
|
|
|
89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX
|
|
|
|
|
|
|
|
|
|
# if has-metadata?(word, "imm32") or has-metadata?(word, "disp32"): return 4
|
|
|
|
|
# . has-metadata?(word, "imm32")
|
|
|
|
|
68/push "imm32"/imm32
|
|
|
|
|
51/push-ECX
|
|
|
|
|
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
|
|
|
|
|
# . if EAX: return 4
|
|
|
|
|
3d/compare-EAX-and 1/imm32
|
|
|
|
|
b8/copy-to-EAX 4/imm32 # ZF is set, so we can overwrite EAX now
|
|
|
|
|
74/jump-if-equal $compute-width:end/disp8
|
|
|
|
|
|
|
|
|
|
# . has-metadata?(word, "disp32")
|
|
|
|
|
68/push "disp32"/imm32
|
|
|
|
|
51/push-ECX
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
|
|
|
|
|
# . if EAX: return 4
|
|
|
|
|
3d/compare-EAX-and 1/imm32
|
|
|
|
|
b8/copy-to-EAX 4/imm32 # ZF is set, so we can overwrite EAX now
|
|
|
|
|
74/jump-if-equal $compute-width:end/disp8
|
|
|
|
|
|
|
|
|
|
# if has-metadata?(word, "imm16") or has-metadata?(word, "disp16"): return 2
|
|
|
|
|
# . has-metadata?(word, "imm16")
|
|
|
|
|
68/push "imm16"/imm32
|
|
|
|
|
51/push-ECX
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
|
|
|
|
|
# . if EAX: return 2
|
|
|
|
|
3d/compare-EAX-and 1/imm32
|
|
|
|
|
b8/copy-to-EAX 2/imm32 # ZF is set, so we can overwrite EAX now
|
|
|
|
|
74/jump-if-equal $compute-width:end/disp8
|
|
|
|
|
|
|
|
|
|
# . has-metadata?(word, "disp16")
|
|
|
|
|
68/push "disp16"/imm32
|
|
|
|
|
51/push-ECX
|
|
|
|
|
e8/call has-metadata?/disp32
|
|
|
|
|
# . . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
|
|
|
|
|
|
|
|
|
|
# . if EAX: return 2
|
|
|
|
|
3d/compare-EAX-and 1/imm32
|
|
|
|
|
b8/copy-to-EAX 2/imm32 # ZF is set, so we can overwrite EAX now
|
|
|
|
|
74/jump-if-equal $compute-width:end/disp8
|
|
|
|
|
|
|
|
|
|
# else: return 1
|
|
|
|
|
b8/copy-to-EAX 1/imm32
|
|
|
|
|
|
|
|
|
|
$compute-width:end:
|
2019-06-08 16:27:58 +00:00
|
|
|
# . restore registers
|
2019-06-08 17:51:02 +00:00
|
|
|
59/pop-to-ECX
|
|
|
|
|
|
2019-06-08 16:27:58 +00:00
|
|
|
# . epilog
|
|
|
|
|
89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
|
|
|
|
|
5d/pop-to-EBP
|
|
|
|
|
c3/return
|
|
|
|
|
|
|
|
|
|
test-compute-width:
|
|
|
|
|
# . prolog
|
|
|
|
|
55/push-EBP
|
|
|
|
|
89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
|
|
|
|
|
|
|
|
|
|
$test-compute-width:imm8:
|
|
|
|
|
# EAX = compute-width("0x2/imm8")
|
|
|
|
|
68/push "0x2/imm8"/imm32
|
|
|
|
|
e8/call compute-width/disp32
|
|
|
|
|
# . discard args
|
2019-06-09 20:06:27 +00:00
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
|
2019-06-08 16:27:58 +00:00
|
|
|
|
|
|
|
|
# check-ints-equal(EAX, 1, msg)
|
|
|
|
|
68/push "F - test-compute-width: 0x2/imm8"/imm32
|
|
|
|
|
50/push-EAX
|
|
|
|
|
68/push 1/imm32
|
|
|
|
|
e8/call check-ints-equal/disp32
|
|
|
|
|
# . discard args
|
|
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
|
|
|
|
|
|
2019-06-08 17:51:02 +00:00
|
|
|
$test-compute-width:imm16:
|
|
|
|
|
# EAX = compute-width("4/imm16")
|
|
|
|
|
68/push "4/imm16"/imm32
|
|
|
|
|
e8/call compute-width/disp32
|
|
|
|
|
# . discard args
|
2019-06-09 20:06:27 +00:00
|
|
|
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
|
2019-06-08 17:51:02 +00:00
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# check-ints-equal(EAX, 2, msg)
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68/push "F - test-compute-width: 4/imm16"/imm32
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50/push-EAX
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68/push 2/imm32
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e8/call check-ints-equal/disp32
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# . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
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2019-06-08 16:27:58 +00:00
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$test-compute-width:imm32:
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2019-06-08 17:51:02 +00:00
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# EAX = compute-width("4/imm32")
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2019-06-08 16:27:58 +00:00
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68/push "4/imm32"/imm32
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e8/call compute-width/disp32
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# . discard args
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2019-06-09 20:06:27 +00:00
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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2019-06-08 16:27:58 +00:00
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# check-ints-equal(EAX, 4, msg)
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68/push "F - test-compute-width: 4/imm32"/imm32
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50/push-EAX
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68/push 4/imm32
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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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$test-compute-width:disp8:
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# EAX = compute-width("foo/disp8")
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68/push "foo/disp8"/imm32
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e8/call compute-width/disp32
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# . discard args
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2019-06-09 20:06:27 +00:00
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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2019-06-08 16:27:58 +00:00
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# check-ints-equal(EAX, 1, msg)
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68/push "F - test-compute-width: foo/disp8"/imm32
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50/push-EAX
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68/push 1/imm32
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e8/call check-ints-equal/disp32
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# . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
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$test-compute-width:disp16:
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# EAX = compute-width("foo/disp16")
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68/push "foo/disp16"/imm32
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e8/call compute-width/disp32
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# . discard args
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2019-06-09 20:06:27 +00:00
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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2019-06-08 16:27:58 +00:00
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# check-ints-equal(EAX, 2, msg)
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68/push "F - test-compute-width: foo/disp16"/imm32
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50/push-EAX
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68/push 2/imm32
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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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$test-compute-width:disp32:
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# EAX = compute-width("foo/disp32")
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68/push "foo/disp32"/imm32
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e8/call compute-width/disp32
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# . discard args
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2019-06-09 20:06:27 +00:00
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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2019-06-08 16:27:58 +00:00
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# check-ints-equal(EAX, 4, msg)
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68/push "F - test-compute-width: foo/disp32"/imm32
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50/push-EAX
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68/push 4/imm32
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e8/call check-ints-equal/disp32
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# . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP
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$test-compute-width:no-metadata:
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# EAX = compute-width("45")
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68/push "45"/imm32
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e8/call compute-width/disp32
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# . discard args
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2019-06-09 20:06:27 +00:00
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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2019-06-08 16:27:58 +00:00
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# check-ints-equal(EAX, 1, msg)
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68/push "F - test-compute-width: 45 (no metadata)"/imm32
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50/push-EAX
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68/push 1/imm32
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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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# . epilog
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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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2019-04-17 06:31:14 +00:00
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== data
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_test-input-stream:
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# current write index
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0/imm32
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# current read index
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0/imm32
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# length
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0x100/imm32 # 256 bytes
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# data (16 lines x 16 bytes/line)
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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# a test buffered file for _test-input-stream
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_test-input-buffered-file:
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# file descriptor or (address stream)
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_test-input-stream/imm32
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# current write index
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0/imm32
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# current read index
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0/imm32
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# length
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6/imm32
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# data
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00 00 00 00 00 00 # 6 bytes
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_test-output-stream:
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# current write index
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0/imm32
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# current read index
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0/imm32
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# length
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0x100/imm32 # 256 bytes
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# data (16 lines x 16 bytes/line)
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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# a test buffered file for _test-output-stream
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_test-output-buffered-file:
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# file descriptor or (address stream)
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_test-output-stream/imm32
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# current write index
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0/imm32
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# current read index
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0/imm32
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# length
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6/imm32
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# data
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00 00 00 00 00 00 # 6 bytes
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2019-05-26 17:46:26 +00:00
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_test-code-segment:
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63/c 6f/o 64/d 65/e
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_test-code-segment-end:
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_test-data-segment:
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64/d 61/a 74/t 61/a
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_test-data-segment-end:
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2019-04-17 06:31:14 +00:00
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# . . vim:nowrap:textwidth=0
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