diff options
| -rwxr-xr-x | subx/apps/pack | bin | 28050 -> 29195 bytes | |||
| -rw-r--r-- | subx/apps/pack.subx | 572 |
2 files changed, 556 insertions, 16 deletions
diff --git a/subx/apps/pack b/subx/apps/pack index 41d5afa8..c233510f 100755 --- a/subx/apps/pack +++ b/subx/apps/pack Binary files differdiff --git a/subx/apps/pack.subx b/subx/apps/pack.subx index b199592f..533e1e51 100644 --- a/subx/apps/pack.subx +++ b/subx/apps/pack.subx @@ -2019,7 +2019,7 @@ emit-modrm: # line : (address stream byte), out : (address buffered-file) -> <v # var word-slice = {0, 0} # while true # word-slice = next-word(line) - # if (empty(word-slice)) break + # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if (has-metadata?(word-slice, "mod")) # mod = parse-hex-int(next-token-from-slice(word-slice, "/")) @@ -2055,7 +2055,7 @@ emit-sib: # line : (address stream byte), out : (address buffered-file) -> <voi # var word-slice = {0, 0} # while true # word-slice = next-word(line) - # if (empty(word-slice)) break + # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if (has-metadata?(word-slice, "base") # base = parse-hex-int(next-token-from-slice(word-slice, "/")) @@ -2092,7 +2092,7 @@ emit-disp: # line : (address stream byte), out : (address buffered-file) -> <vo # var word-slice = {0, 0} # while true # word-slice = next-word(line) - # if (empty(word-slice)) break + # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if has-metadata?(word-slice, "disp8") # disp = parse-hex-int(next-token-from-slice(word-slice, "/")) @@ -2122,30 +2122,262 @@ emit-imm: # line : (address stream byte), out : (address buffered-file) -> <voi # pseudocode: # rewind-stream(line) # var imm = 0 - # var word-slice = {0, 0} + # var slice = {0, 0} # while true - # word-slice = next-word(line) - # if (slice-starts-with?(word-slice, "#")) break - # if (empty(word-slice)) break - # if has-metadata?(word-slice, "imm8") - # imm = parse-hex-int(next-token-from-slice(word-slice, "/")) - # emit-hex(out, imm, 1) + # slice = next-word(line) + # if (slice-empty?(slice)) break + # if (slice-starts-with?(slice, "#")) break + # if has-metadata?(slice, "imm32") + # imm = parse-hex-int(next-token-from-slice(slice, "/")) + # emit-hex(out, imm, 4) # break - # if has-metadata?(word-slice, "imm16") - # imm = parse-hex-int(next-token-from-slice(word-slice, "/")) + # if has-metadata?(slice, "imm16") + # imm = parse-hex-int(next-token-from-slice(slice, "/")) # emit-hex(out, imm, 2) # break - # else if has-metadata?(word-slice, "imm32") - # imm = parse-hex-int(next-token-from-slice(word-slice, "/")) - # emit-hex(out, imm, 4) + # if has-metadata?(slice, "imm8") + # imm = parse-hex-int(next-token-from-slice(slice, "/")) + # emit-hex(out, imm, 1) # break # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers -$emit-imm:end: + 50/push-EAX + 51/push-ECX + 52/push-EDX + 53/push-EBX + # var slice/ECX = {0, 0} + 68/push 0/imm32/end + 68/push 0/imm32/start + 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX + # var imm/EBX = 0 + 68/push 0/imm32 + 89/copy 3/mod/direct 3/rm32/EBX . . . 4/r32/ESP . . # copy ESP to EBX +#? # dump line {{{ +#? # write-buffered(Stderr, "LL: ") +#? # . . push args +#? 68/push "LL: "/imm32 +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call write-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # write-stream-buffered(Stderr, line) +#? # . . push args +#? ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call write-stream-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # write-buffered(Stderr, "\n") +#? # . . push args +#? 68/push Newline/imm32 +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call write-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} +$emit-imm:loop: + # next-word(line, slice) + # . . push args + 51/push-ECX + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + # . . call + e8/call next-word/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # dump slice {{{ +#? # write-buffered(Stderr, "AA: ") +#? # . . push args +#? 68/push "AA: "/imm32 +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call write-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # write-slice(Stderr, slice) +#? # . . push args +#? 51/push-ECX +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call write-slice/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # write-buffered(Stderr, "\n") +#? # . . push args +#? 68/push Newline/imm32 +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call write-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} +$emit-imm:check0: + # if (slice-empty?(slice)) break + # . EAX = slice-empty?(slice) + # . . push args + 51/push-ECX + # . . 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) pass through + 3d/compare-EAX-and 0/imm32 + 0f 85/jump-if-not-equal $emit-imm:break/disp32 +$emit-imm:check1: + # if (slice-starts-with?(slice, "#")) break + # . start/EDX = slice->start + 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX + # . c/EAX = *start + 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX + 8a/copy-byte 0/mod/indirect 2/rm32/EDX . . . 0/r32/AL . . # copy byte at *EDX to AL + # . if (EAX == '#') break + 3d/compare-EAX-and 0x23/imm32/hash + 0f 84/jump-if-equal $emit-imm:break/disp32 +$emit-imm:check-for-imm32: + # if (has-metadata?(slice, "imm32")) emit(imm) and break + # . EAX = has-metadata?(ECX, "c") + # . . push args + 68/push "imm32"/imm32 + 51/push-ECX + # . . call + e8/call has-metadata?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x8/imm32 # add to ESP + # . if (EAX == 0) goto next check + 81 7/subop/compare 3/mod/direct 0/rm32/EAX . . . . . 0/imm32 # compare EAX + 74/jump-if-equal $emit-imm:check-for-imm16/disp8 +$emit-imm:imm32: + # slice = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) + # . slice = next-token-from-slice(slice->start, slice->end, '/') + # . . push args + 51/push-ECX + 68/push 0x2f/imm32/slash + ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) + ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # 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 + # . EAX = parse-hex-int(slice) + # . . push args + 51/push-ECX + # . . call + e8/call parse-hex-int/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . imm = EAX + 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX + # . emit-hex(out, imm, 4) + # . . push args + 68/push 4/imm32 + 53/push-EBX + 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 + # . break + e9/jump $emit-imm:break/disp32 +$emit-imm:check-for-imm16: + # if (has-metadata?(slice, "imm16")) emit-hex(out, imm, 2) and break + # . EAX = has-metadata?(ECX, "imm16") + # . . push args + 68/push "imm16"/imm32 + 51/push-ECX + # . . call + e8/call has-metadata?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x8/imm32 # add to ESP + # . if (EAX == 0) goto next check + 81 7/subop/compare 3/mod/direct 0/rm32/EAX . . . . . 0/imm32 # compare EAX + 74/jump-if-equal $emit-imm:check-for-imm8/disp8 +$emit-imm:imm16: + # slice = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) + # . slice = next-token-from-slice(slice->start, slice->end, '/') + # . . push args + 51/push-ECX + 68/push 0x2f/imm32/slash + ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) + ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # 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 + # . EAX = parse-hex-int(slice) + # . . push args + 51/push-ECX + # . . call + e8/call parse-hex-int/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . imm = EAX + 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX + # . emit-hex(out, imm, 2) + # . . push args + 68/push 2/imm32 + 53/push-EBX + 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 + # . break + e9/jump $emit-imm:break/disp32 +$emit-imm:check-for-imm8: + # if (has-metadata?(slice, "imm8")) emit-hex(out, imm, 2) and break + # . EAX = has-metadata?(ECX, "imm8") + # . . push args + 68/push "imm8"/imm32 + 51/push-ECX + # . . call + e8/call has-metadata?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x8/imm32 # add to ESP + # . if (EAX == 0) loop + 81 7/subop/compare 3/mod/direct 0/rm32/EAX . . . . . 0/imm32 # compare EAX + 0f 84/jump-if-equal $emit-imm:loop/disp32 +$emit-imm:imm8: + # slice = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) + # . slice = next-token-from-slice(slice->start, slice->end, '/') + # . . push args + 51/push-ECX + 68/push 0x2f/imm32/slash + ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) + ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # 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 + # . EAX = parse-hex-int(slice) + # . . push args + 51/push-ECX + # . . call + e8/call parse-hex-int/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . imm = EAX + 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX + # . emit-hex(out, imm, 1) + # . . push args + 68/push 1/imm32 + 53/push-EBX + 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 + # . break +$emit-imm:break: # . restore registers + 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 @@ -3231,6 +3463,314 @@ test-convert-instruction-handles-unused-second-opcodes-2: 5d/pop-to-EBP c3/return +test-convert-instruction-handles-imm32-operand: + # expand /imm32 operand into 4 bytes + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # setup + # . clear-stream(_test-input-stream) + # . . push args + 68/push _test-input-stream/imm32 + # . . call + e8/call clear-stream/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . clear-stream(_test-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 + # initialize input + # . write(_test-input-stream, "68/push 0x20/imm32") + # . . push args + 68/push "68/push 0x20/imm32"/imm32 + 68/push _test-input-stream/imm32 + # . . call + e8/call write/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # convert-instruction(_test-input-stream, _test-output-buffered-file) + # . . push args + 68/push _test-output-buffered-file/imm32 + 68/push _test-input-stream/imm32 + # . . call + e8/call convert-instruction/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # check output + # . flush(_test-output-buffered-file) + # . . push args + 68/push _test-output-buffered-file/imm32 + # . . call + e8/call flush/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # dump output {{{ +#? # . write(2/stderr, "^") +#? # . . push args +#? 68/push "^"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write-stream(2/stderr, _test-output-stream) +#? # . . push args +#? 68/push _test-output-stream/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write(2/stderr, "$") +#? # . . push args +#? 68/push "$"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push Newline/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} + # . check-stream-equal(_test-output-stream, "68 20 00 00 00 # 68/push 0x20/imm32", msg) + # . . push args + 68/push "F - test-convert-instruction-handles-imm32-operand"/imm32 + 68/push "68 20 00 00 00 # 68/push 0x20/imm32"/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 + +test-convert-instruction-handles-imm16-operand: + # expand /imm16 operand into 2 bytes + # we don't have one of these at the moment, so this expands to an invalid instruction + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # setup + # . clear-stream(_test-input-stream) + # . . push args + 68/push _test-input-stream/imm32 + # . . call + e8/call clear-stream/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . clear-stream(_test-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 + # initialize input + # . write(_test-input-stream, "68/push 0x20/imm16") + # . . push args + 68/push "68/push 0x20/imm16"/imm32 # not a valid instruction + 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 + # convert-instruction(_test-input-stream, _test-output-buffered-file) + # . . push args + 68/push _test-output-buffered-file/imm32 + 68/push _test-input-stream/imm32 + # . . call + e8/call convert-instruction/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # check output + # . flush(_test-output-buffered-file) + # . . push args + 68/push _test-output-buffered-file/imm32 + # . . call + e8/call flush/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # dump output {{{ +#? # . write(2/stderr, "^") +#? # . . push args +#? 68/push "^"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write-stream(2/stderr, _test-output-stream) +#? # . . push args +#? 68/push _test-output-stream/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write(2/stderr, "$") +#? # . . push args +#? 68/push "$"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push Newline/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} + # . check-stream-equal(_test-output-stream, "68 20 00 # 68/push 0x20/imm16", msg) + # . . push args + 68/push "F - test-convert-instruction-handles-imm16-operand"/imm32 + 68/push "68 20 00 # 68/push 0x20/imm16"/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 + +test-convert-instruction-handles-imm8-operand: + # expand /imm8 operand into 1 byte + # we don't have one of these at the moment, so this expands to an invalid instruction + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # setup + # . clear-stream(_test-input-stream) + # . . push args + 68/push _test-input-stream/imm32 + # . . call + e8/call clear-stream/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . clear-stream(_test-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 + # initialize input + # . write(_test-input-stream, "68/push 0x20/imm8") + # . . push args + 68/push "68/push 0x20/imm8"/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 + # convert-instruction(_test-input-stream, _test-output-buffered-file) + # . . push args + 68/push _test-output-buffered-file/imm32 + 68/push _test-input-stream/imm32 + # . . call + e8/call convert-instruction/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # check output + # . flush(_test-output-buffered-file) + # . . push args + 68/push _test-output-buffered-file/imm32 + # . . call + e8/call flush/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # dump output {{{ +#? # . write(2/stderr, "^") +#? # . . push args +#? 68/push "^"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write-stream(2/stderr, _test-output-stream) +#? # . . push args +#? 68/push _test-output-stream/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write(2/stderr, "$") +#? # . . push args +#? 68/push "$"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push Newline/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} + # . check-stream-equal(_test-output-stream, "68 20 # 68/push 0x20/imm8", msg) + # . . push args + 68/push "F - test-convert-instruction-handles-imm8-operand"/imm32 + 68/push "68 20 # 68/push 0x20/imm8"/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 + # (re)compute the bounds of the next word in the line # return empty string on reaching end of file next-word: # line : (address stream byte), out : (address slice) |