diff options
Diffstat (limited to 'apps/sigils.subx')
| -rw-r--r-- | apps/sigils.subx | 4661 |
1 files changed, 0 insertions, 4661 deletions
diff --git a/apps/sigils.subx b/apps/sigils.subx deleted file mode 100644 index 31d074af..00000000 --- a/apps/sigils.subx +++ /dev/null @@ -1,4661 +0,0 @@ -# Syntax sugar for addressing modes that expand into /rm32 and other related -# arguments. -# -# To run: -# $ ./bootstrap translate init.linux [012]*.subx apps/subx-params.subx apps/sigils.subx -o apps/sigils -# -# We currently support the following notations: -# -# 1. -# $ echo '%eax' | ./bootstrap run apps/sigils -# 3/mod 0/rm32 -# -# 2. -# $ echo '*eax' | ./bootstrap run apps/sigils -# 0/mod 0/rm32 -# -# 3. -# $ echo '*(eax+4)' | ./bootstrap run apps/sigils -# 2/mod 0/rm32 4/disp32 -# -# 4. -# $ echo '*(eax+ecx)' | ./bootstrap run apps/sigils -# 0/mod 4/rm32 0/base 1/index 0/scale -# -# 5. -# $ echo '*(eax+ecx+4)' | ./bootstrap run apps/sigils -# 2/mod 4/rm32 0/base 1/index 0/scale 4/disp32 -# -# 6. -# $ echo '*(eax+ecx<<2+4)' | ./bootstrap run apps/sigils -# 2/mod 4/rm32 0/base 1/index 2/scale 4/disp32 -# -# 7. -# $ echo '*Foo' | ./bootstrap run apps/sigils -# 0/mod 5/rm32/.disp32 Foo/disp32 -# -# TODO: *(Foo+ecx<<2) -# -# Addition isn't commutative here. Template must always be (base+index<<scale+disp), -# though some components are optional as described above. -# In particular, global variables like 'Foo' above don't support displacement -# or index or scale. -# -# No metadata allowed inside '*(...)'. -# Whitespace inside '*(...)' is ok. But not immediately after the '*' or '%'. -# We don't support conversions to floating-point registers. In particular, so -# far there's no %xmm1. -# -# The code generated is sub-optimal: -# - displacements are always disp32, even when disp8 will do -# - *(...esp...) always uses SIB arguments even when redundant - -== code -# instruction effective address register displacement immediate -# . op subop mod rm32 base index scale r32 -# . 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 - -Entry: # run tests if necessary, convert stdin if not - # . prologue - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - - # initialize heap - # . Heap = new-segment(Heap-size) - # . . push args - 68/push Heap/imm32 - ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 . . . Heap-size/disp32 # push *Heap-size - # . . call - e8/call new-segment/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - - # - if argc > 1 and argv[1] == "test", then return run_tests() - # if (argc <= 1) goto interactive - 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0/disp8 1/imm32 # compare *ebp - 7e/jump-if-<= $subx-sigils-main:interactive/disp8 - # if (!kernel-string-equal?(argv[1], "test")) goto interactive - # . eax = kernel-string-equal?(argv[1], "test") - # . . push args - 68/push "test"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call kernel-string-equal?/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . if (eax == false) goto interactive - 3d/compare-eax-and 0/imm32/false - 74/jump-if-= $subx-sigils-main:interactive/disp8 - # run-tests() - e8/call run-tests/disp32 - # syscall(exit, *Num-test-failures) - 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/ebx Num-test-failures/disp32 # copy *Num-test-failures to ebx - eb/jump $subx-sigils-main:end/disp8 -$subx-sigils-main:interactive: - # - otherwise convert stdin - # subx-sigils(Stdin, Stdout) - # . . push args - 68/push Stdout/imm32 - 68/push Stdin/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # syscall(exit, 0) - bb/copy-to-ebx 0/imm32 -$subx-sigils-main:end: - e8/call syscall_exit/disp32 - -# error messages considered: -# *x + 34 -> error: base+disp addressing must be within '()' -subx-sigils: # in: (addr buffered-file), out: (addr buffered-file) - # pseudocode: - # var line: (stream byte 512) - # while true - # clear-stream(line) - # read-line-buffered(in, line) - # if (line->write == 0) break # end of file - # while true - # var word-slice = next-word-or-expression(line) - # if slice-empty?(word-slice) # end of line - # break - # if slice-starts-with?(word-slice, "#") # comment - # continue - # if slice-starts-with?(word-slice, '%') # direct mode - # emit-direct-mode(out, word-slice) - # else if slice-starts-with?(word-slice, '*') # indirect mode - # if disp32-mode?(word-slice) - # emit-indirect-disp32(out, word-slice) - # else - # base, index, scale, disp = parse-effective-address(word-slice) - # emit-indirect-mode(out, base, index, scale, disp) - # else if slice-starts-with?(word-slice, '+') - # abort("'+' only permitted within '*(...)'") - # else - # write-slice-buffered(out, word-slice) - # write(out, " ") - # write(out, "\n") - # flush(out) - # - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 50/push-eax - 51/push-ecx - 52/push-edx - 53/push-ebx - # var line/ecx: (stream byte 512) - 81 5/subop/subtract 3/mod/direct 4/rm32/esp . . . . . 0x200/imm32 # subtract from esp - 68/push 0x200/imm32/length - 68/push 0/imm32/read - 68/push 0/imm32/write - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # var word-slice/edx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx -$subx-sigils:line-loop: - # clear-stream(line) - # . . push args - 51/push-ecx - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # read-line-buffered(in, line) - # . . push args - 51/push-ecx - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call read-line-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -$subx-sigils:check0: - # if (line->write == 0) break - 81 7/subop/compare 0/mod/indirect 1/rm32/ecx . . . . . 0/imm32 # compare *ecx - 0f 84/jump-if-= $subx-sigils:break/disp32 -$subx-sigils:word-loop: - # next-word-or-expression(line, word-slice) - # . . push args - 52/push-edx - 51/push-ecx - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -$subx-sigils:check1: - # if (slice-empty?(word-slice)) break - # . eax = slice-empty?(word-slice) - # . . push args - 52/push-edx - # . . 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 != false) break - 3d/compare-eax-and 0/imm32/false - 0f 85/jump-if-!= $subx-sigils:next-line/disp32 -$subx-sigils:check-for-comment: - # if (slice-starts-with?(word-slice, "#")) continue - # . start/ebx = word-slice->start - 8b/copy 0/mod/indirect 2/rm32/edx . . . 3/r32/ebx . . # copy *edx to ebx - # . c/eax = *start - 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax - 8a/copy-byte 0/mod/indirect 3/rm32/ebx . . . 0/r32/AL . . # copy byte at *ebx to AL - # . if (eax == '#') continue - 3d/compare-eax-and 0x23/imm32/hash - 74/jump-if-= $subx-sigils:word-loop/disp8 -$subx-sigils:check-for-direct-mode: - # if (!slice-starts-with?(word-slice, "%")) goto next check - 3d/compare-eax-and 0x25/imm32/percent - 75/jump-if-!= $subx-sigils:check-for-indirect-mode/disp8 -$subx-sigils:direct-mode: -#? # dump word-slice {{{ -#? # . write(2/stderr, "w: ") -#? # . . push args -#? 68/push "w: "/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . clear-stream($Stderr->buffer) -#? # . . push args -#? 68/push $Stderr->buffer/imm32 -#? # . . call -#? e8/call clear-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # . write-slice-buffered(Stderr, word-slice) -#? # . . push args -#? 52/push-edx -#? 68/push Stderr/imm32 -#? # . . call -#? e8/call write-slice-buffered/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . flush(Stderr) -#? # . . push args -#? 68/push Stderr/imm32 -#? # . . call -#? e8/call flush/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # emit-direct-mode(out, word-slice) - # . . push args - 52/push-edx - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call emit-direct-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # continue - e9/jump $subx-sigils:next-word/disp32 -$subx-sigils:check-for-indirect-mode: - # if (!slice-starts-with?(word-slice, "*")) goto next check - 3d/compare-eax-and 0x2a/imm32/asterisk - 75/jump-if-!= $subx-sigils:check-for-invalid-addition/disp8 - # if (!disp32-mode?(word-slice)) goto indirect mode - # . eax = disp32-mode?(word-slice) - # . . push args - 52/push-edx - # . . call - e8/call disp32-mode?/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . if (eax == false) goto indirect mode - 3d/compare-eax-and 0/imm32/false - 74/jump-if-= $subx-sigils:indirect-mode/disp8 -$subx-sigils:disp32-mode: - # emit-indirect-mode(out, word-slice) - # . . push args - 52/push-edx - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call emit-indirect-disp32/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # continue - e9/jump $subx-sigils:next-word/disp32 -$subx-sigils:indirect-mode: - # spill registers - 50/push-eax - 51/push-ecx - 52/push-edx - 53/push-ebx - # base/eax, index/ecx, scale/edx, disp/ebx = parse-effective-address(word-slice) - # . . push args - 52/push-edx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(out, base, index, scale, disp) - # . . push args - 53/push-ebx - 52/push-edx - 51/push-ecx - 50/push-eax - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # restore registers - 5b/pop-to-ebx - 5a/pop-to-edx - 59/pop-to-ecx - 58/pop-to-eax - # continue - e9/jump $subx-sigils:next-word/disp32 -$subx-sigils:check-for-invalid-addition: - # if (slice-starts-with?(word-slice, "+")) goto error1 - 3d/compare-eax-and 0x2b/imm32/plus - 74/jump-if-= $subx-sigils:error1/disp8 -$subx-sigils:check-for-invalid-left-shift: - # if (slice-starts-with?(word-slice, "<")) goto error1 - 3d/compare-eax-and 0x3c/imm32/less-than - 74/jump-if-= $subx-sigils:error1/disp8 -$subx-sigils:regular-word: - # write-slice-buffered(out, word-slice) - # . . push args - 52/push-edx - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call write-slice-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # fall through -$subx-sigils:next-word: - # write-buffered(out, " ") - # . . push args - 68/push Space/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # loop - e9/jump $subx-sigils:word-loop/disp32 -$subx-sigils:next-line: - # write-buffered(out, "\n") - # . . push args - 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # loop - e9/jump $subx-sigils:line-loop/disp32 -$subx-sigils:break: - # flush(out) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -$subx-sigils:end: - # . reclaim locals - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x214/imm32 # add to esp - # . restore registers - 5b/pop-to-ebx - 5a/pop-to-edx - 59/pop-to-ecx - 58/pop-to-eax - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -$subx-sigils:error1: - # print(stderr, "error: '" eax "' only permitted within '*(...)' in '" line "'") - # . write-buffered(Stderr, "error: '") - # . . push args - 68/push "error: '"/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-byte-buffered(Stderr, eax) - # . . push args - 50/push-eax - 68/push Stderr/imm32 - # . . call - e8/call write-byte-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "' only permitted within '*(...)' in '") - # . . push args - 68/push "' only permitted within '*(...)' in '"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-stream-data(Stderr, line) - # . . push args - 51/push-ecx - 68/push Stderr/imm32 - # . . call - e8/call write-stream-data/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "'") - # . . push args - 68/push "'"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -test-subx-sigils-passes-most-words-through: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "== abcd 0x1") - # . . push args - 68/push "== abcd 0x1"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "== abcd 0x1 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-passes-most-words-through"/imm32 - 68/push "== abcd 0x1 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-direct-mode: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab %ecx") - # . . push args - 68/push "ab %ecx"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 3/mod/direct 0x00000001/rm32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-direct-mode"/imm32 - 68/push "ab 3/mod/direct 0x00000001/rm32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-direct-mode-with-metadata: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab %ecx/foo") - # . . push args - 68/push "ab %ecx/foo"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . check-stream-equal(_test-output-stream, "ab 3/mod/direct 0x00000001/rm32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-direct-mode-with-metadata"/imm32 - 68/push "ab 3/mod/direct 0x00000001/rm32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-register-indirect-mode: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *ecx") - # . . push args - 68/push "ab *ecx"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 0x00000001/rm32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-register-indirect-mode"/imm32 - 68/push "ab 0/mod/indirect 0x00000001/rm32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-register-indirect-mode-with-metadata: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *ecx/foo") - # . . push args - 68/push "ab *ecx/foo"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 0x00000001/rm32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-register-indirect-mode-with-metadata"/imm32 - 68/push "ab 0/mod/indirect 0x00000001/rm32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-register-indirect-mode-without-displacement: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *(ecx)") - # . . push args - 68/push "ab *(ecx)"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 1/rm32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-register-indirect-mode-without-displacement"/imm32 - 68/push "ab 0/mod/indirect 0x00000001/rm32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-register-indirect-mode-with-displacement: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *(ecx+4)") - # . . push args - 68/push "ab *(ecx+4)"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 2/mod/*+disp32 1/rm32 4/disp32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-register-indirect-mode-with-displacement"/imm32 - 68/push "ab 2/mod/*+disp32 0x00000001/rm32 0x00000004/disp32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# boss level -test-subx-sigils-register-indirect-mode-with-sib-byte: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *(ecx + edx<<3 + 4)") - # . . push args - 68/push "ab *(ecx + edx<<3 + 4)"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 2/mod/*+disp32 4/rm32/sib 1/base 2/index 3/scale 4/disp32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-register-indirect-mode-with-sib-byte"/imm32 - 68/push "ab 2/mod/*+disp32 4/rm32/sib 0x00000001/base 0x00000002/index 0x00000003/scale 0x00000004/disp32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-register-indirect-mode-with-sib-byte-negative-displacement: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *(ecx + edx<<3 - 4)") - # . . push args - 68/push "ab *(ecx + edx<<3 - 4)"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 2/mod/*+disp32 4/rm32/sib 1/base 2/index 3/scale -4/disp32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-register-indirect-mode-with-sib-byte-negative-displacement"/imm32 - 68/push "ab 2/mod/*+disp32 4/rm32/sib 0x00000001/base 0x00000002/index 0x00000003/scale 0xfffffffc/disp32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-subx-sigils-indirect-mode-without-register: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-input-buffered-file->buffer) - # . . push args - 68/push $_test-input-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # initialize input - # . write(_test-input-stream, "ab *Foo") - # . . push args - 68/push "ab *Foo"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # subx-sigils(_test-input-buffered-file, _test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - 68/push _test-input-buffered-file/imm32 - # . . call - e8/call subx-sigils/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check that the line just passed through - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump _test-output-stream {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # . check-stream-equal(_test-output-stream, "ab 0/mod/indirect 5/rm32/.disp32 Foo/disp32 \n", msg) - # . . push args - 68/push "F - test-subx-sigils-indirect-mode-without-register"/imm32 - 68/push "ab 0/mod/indirect 5/rm32/.disp32 Foo/disp32 \n"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -emit-direct-mode: # out: (addr buffered-file), word-slice: (addr slice) - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 50/push-eax - # var local-slice/eax: slice = {word-slice->start, word-slice->end} - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax - ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4) - ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax - 89/copy 3/mod/direct 0/rm32/eax . . . 4/r32/esp . . # copy esp to eax - # ++local-slice->start to skip '%' - # . ++(*eax) - ff 0/subop/increment 0/mod/indirect 0/rm32/eax . . . . . . # increment *eax -#? # write-slice-buffered(Stderr, word-slice) {{{ -#? # . . push args -#? 50/push-eax -#? 68/push Stderr/imm32 -#? # . . call -#? e8/call write-slice-buffered/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . flush(Stderr) -#? # . . push args -#? 68/push Stderr/imm32 -#? # . . call -#? e8/call flush/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/") - # . . push args - 50/push-eax - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4) - ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp - # reg-num/eax = get-slice(Registers, local-slice, row-size=12) - # . . push args - 68/push "Registers"/imm32 - 68/push 0xc/imm32/row-size - 50/push-eax - 68/push Registers/imm32 - # . . call - e8/call get-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp - # write-buffered(out, "3/mod/direct ") - # . . push args - 68/push "3/mod/direct "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # write-int32-hex-buffered(out, *reg-num) - # . . push args - ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # write-buffered(out, "/rm32") - # . . push args - 68/push "/rm32"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -$emit-direct-mode:end: - # . reclaim locals - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . restore registers - 58/pop-to-eax - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-direct-mode: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx = "%eax" - b8/copy-to-eax "%eax"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # emit-direct-mode(_test-output-buffered-file, str) - # . . push args - 51/push-ecx - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-direct-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "3/mod/direct 0/rm32", msg) - # . . push args - 68/push "F - test-emit-direct-mode/0"/imm32 - 68/push "3/mod/direct 0x00000000/rm32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-direct-mode-2: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx = "%edi" - b8/copy-to-eax "%edi"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # emit-direct-mode(_test-output-buffered-file, str/ecx) - # . . push args - 51/push-ecx - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-direct-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "3/mod/direct 7/rm32", msg) - # . . push args - 68/push "F - test-emit-direct-mode/1"/imm32 - 68/push "3/mod/direct 0x00000007/rm32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# (re)compute the bounds of the next word or parenthetical expression in the line -# return empty string on reaching end of file -# -# error messages considered: -# * ... -> error: no space after '*' -# *(... -> error: *(...) expression must be all on a single line -next-word-or-expression: # line: (addr stream byte), out: (addr slice) - # pseudocode: - # skip-chars-matching(line, ' ') - # if line->read >= line->write # end of line - # out = {0, 0} - # return - # out->start = &line->data[line->read] - # if line->data[line->read] == '#' # comment - # out.end = &line->data[line->write] - # return - # if line->data[line->read] == '"' # string literal - # skip-string(line) - # else if line->data[line->read] == '*' # expression - # if line->data[line->read + 1] == ' ' - # abort - # if line->data[line->read + 1] == '(' - # skip-until-close-paren(line) - # if (line->data[line->read] != ')' - # abort - # ++line->data[line->read] to skip ')' - # skip-chars-not-matching-whitespace(line) - # out->end = &line->data[line->read] - # - # registers: - # ecx: often line->read - # eax: often line->data[line->read] - # - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 50/push-eax - 51/push-ecx - 56/push-esi - 57/push-edi - # esi = line - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi - # edi = out - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi - # skip-chars-matching(line, ' ') - # . . push args - 68/push 0x20/imm32/space - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call skip-chars-matching/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -$next-word-or-expression:check0: - # if (line->read >= line->write) clear out and return - # . ecx = line->read - 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx - # . if (ecx < line->write) goto next check - 3b/compare 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # compare ecx with *esi - 7c/jump-if-< $next-word-or-expression:check-for-comment/disp8 - # . return out = {0, 0} - c7 0/subop/copy 0/mod/direct 7/rm32/edi . . . . . 0/imm32 # copy to *edi - c7 0/subop/copy 1/mod/*+disp8 7/rm32/edi . . . . 4/disp8 0/imm32 # copy to *(edi+4) - e9/jump $next-word-or-expression:end/disp32 -$next-word-or-expression:check-for-comment: - # out->start = &line->data[line->read] - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/eax 0xc/disp8 . # copy esi+ecx+12 to eax - 89/copy 0/mod/indirect 7/rm32/edi . . . 0/r32/eax . . # copy eax to *edi - # if (line->data[line->read] != '#') goto next check - # . eax = line->data[line->read] - 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax - 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0xc/disp8 . # copy byte at *(esi+ecx+12) to AL - # . if (eax != '#') goto next check - 3d/compare-eax-and 0x23/imm32/pound - 75/jump-if-!= $next-word-or-expression:check-for-string-literal/disp8 -$next-word-or-expression:comment: - # out->end = &line->data[line->write] - 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy esi+eax+12 to eax - 89/copy 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 4/disp8 . # copy eax to *(edi+4) - # line->read = line->write # skip rest of line - 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax - 89/copy 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 4/disp8 . # copy eax to *(esi+4) - # return - eb/jump $next-word-or-expression:end/disp8 -$next-word-or-expression:check-for-string-literal: - # if (line->data[line->read] != '"') goto next check - 3d/compare-eax-and 0x22/imm32/dquote - 75/jump-if-!= $next-word-or-expression:check-for-expression/disp8 -$next-word-or-expression:string-literal: - # skip-string(line) - # . . push args - 56/push-esi - # . . call - e8/call skip-string/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # skip rest of word - eb/jump $next-word-or-expression:regular-word/disp8 -$next-word-or-expression:check-for-expression: - # if (line->data[line->read] != '*') goto next check - 3d/compare-eax-and 0x2a/imm32/asterisk - 75/jump-if-!= $next-word-or-expression:regular-word/disp8 - # if (line->data[line->read + 1] == ' ') goto error1 - 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0xd/disp8 . # copy byte at *(esi+ecx+12+1) to AL - 3d/compare-eax-and 0x20/imm32/space - 74/jump-if-= $next-word-or-expression:error1/disp8 - # if (line->data[line->read + 1] != '(') goto regular word - 3d/compare-eax-and 0x28/imm32/open-paren - 75/jump-if-!= $next-word-or-expression:regular-word/disp8 -$next-word-or-expression:paren: - # skip-until-close-paren(line) - # . . push args - 56/push-esi - # . . call - e8/call skip-until-close-paren/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # if (line->data[line->read] != ')') goto error2 - # . eax = line->data[line->read] - 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx - 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0xc/disp8 . # copy byte at *(esi+ecx+12) to AL - # . if (eax != ')') goto error2 - 3d/compare-eax-and 0x29/imm32/close-paren - 75/jump-if-!= $next-word-or-expression:error2/disp8 - # skip ')' - ff 0/subop/increment 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # increment *(esi+4) - # fall through -$next-word-or-expression:regular-word: - # skip-chars-not-matching-whitespace(line) # including trailing newline - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call skip-chars-not-matching-whitespace/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # out->end = &line->data[line->read] - 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/eax 0xc/disp8 . # copy esi+ecx+12 to eax - 89/copy 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 4/disp8 . # copy eax to *(edi+4) -$next-word-or-expression:end: - # . restore registers - 5f/pop-to-edi - 5e/pop-to-esi - 59/pop-to-ecx - 58/pop-to-eax - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -$next-word-or-expression:error1: - # print(stderr, "error: no space allowed after '*' in '" line "'") - # . write-buffered(Stderr, "error: no space allowed after '*' in '") - # . . push args - 68/push "error: no space allowed after '*' in '"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-stream-data(Stderr, line) - # . . push args - 56/push-esi - 68/push Stderr/imm32 - # . . call - e8/call write-stream-data/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "'") - # . . push args - 68/push "'"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -$next-word-or-expression:error2: - # print(stderr, "error: *(...) expression must be all on a single line in '" line "'") - # . write-buffered(Stderr, "error: *(...) expression must be all on a single line in '") - # . . push args - 68/push "error: *(...) expression must be all on a single line in '"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-stream-data(Stderr, line) - # . . push args - 56/push-esi - 68/push Stderr/imm32 - # . . call - e8/call write-stream-data/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "'") - # . . push args - 68/push "'"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -test-next-word-or-expression: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # write(_test-input-stream, " ab") - # . . push args - 68/push " ab"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # next-word-or-expression(_test-input-stream, slice) - # . . push args - 51/push-ecx - 68/push _test-input-stream/imm32 - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check-ints-equal(_test-input-stream->read, 4, msg) - # . . push args - 68/push "F - test-next-word-or-expression/updates-stream-read-correctly"/imm32 - 68/push 4/imm32 - b8/copy-to-eax _test-input-stream/imm32 - ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4) - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->start - _test-input-stream->data, 2, msg) - # . check-ints-equal(slice->start - _test-input-stream, 14, msg) - # . . push args - 68/push "F - test-next-word-or-expression: start"/imm32 - 68/push 0xe/imm32 - # . . push slice->start - _test-input-stream - 8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->end - _test-input-stream->data, 4, msg) - # . check-ints-equal(slice->end - _test-input-stream, 16, msg) - # . . push args - 68/push "F - test-next-word-or-expression: end"/imm32 - 68/push 0x10/imm32 - # . . push slice->end - _test-input-stream - 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-word-or-expression-returns-whole-comment: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # write(_test-input-stream, " # a") - # . . push args - 68/push " # a"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # next-word-or-expression(_test-input-stream, slice) - # . . push args - 51/push-ecx - 68/push _test-input-stream/imm32 - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check-ints-equal(_test-input-stream->read, 5, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-whole-comment/updates-stream-read-correctly"/imm32 - 68/push 5/imm32 - b8/copy-to-eax _test-input-stream/imm32 - ff 6/subop/push 1/mod/*+disp8 0/rm32/eax . . . . 4/disp8 . # push *(eax+4) - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->start - _test-input-stream->data, 2, msg) - # . check-ints-equal(slice->start - _test-input-stream, 14, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-whole-comment: start"/imm32 - 68/push 0xe/imm32 - # . . push slice->start - _test-input-stream - 8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->end - _test-input-stream->data, 5, msg) - # . check-ints-equal(slice->end - _test-input-stream, 17, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-whole-comment: end"/imm32 - 68/push 0x11/imm32 - # . . push slice->end - _test-input-stream - 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-word-or-expression-returns-empty-slice-on-eof: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # write nothing to _test-input-stream - # next-word-or-expression(_test-input-stream, slice) - # . . push args - 51/push-ecx - 68/push _test-input-stream/imm32 - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check-ints-equal(slice->end - slice->start, 0, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-empty-expression-on-eof"/imm32 - 68/push 0/imm32 - # . . push slice->end - slice->start - 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax - 2b/subtract 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # subtract *ecx from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-word-or-expression-returns-string-literal: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # write(_test-input-stream, " \"a b\"/imm32 ") - # . . push args - 68/push " \"a b\"/imm32 "/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # next-word-or-expression(_test-input-stream, slice) - # . . push args - 51/push-ecx - 68/push _test-input-stream/imm32 - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check-ints-equal(slice->start - _test-input-stream->data, 1, msg) - # . check-ints-equal(slice->start - _test-input-stream, 13, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-string-literal: start"/imm32 - 68/push 0xd/imm32 - # . . push slice->start - _test-input-stream - 8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->end - _test-input-stream->data, 12, msg) - # . check-ints-equal(slice->end - _test-input-stream, 24, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-string-literal: end"/imm32 - 68/push 0x18/imm32 - # . . push slice->end - _test-input-stream - 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-word-or-expression-returns-string-with-escapes: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # write(_test-input-stream, " \"a\\\"b\"/x") - # . . push args - 68/push " \"a\\\"b\"/x"/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # next-word-or-expression(_test-input-stream, slice) - # . . push args - 51/push-ecx - 68/push _test-input-stream/imm32 - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check-ints-equal(slice->start - _test-input-stream->data, 1, msg) - # . check-ints-equal(slice->start - _test-input-stream, 13, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-string-with-escapes: start"/imm32 - 68/push 0xd/imm32 - # . . push slice->start - _test-input-stream - 8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->end - _test-input-stream->data, 9, msg) - # . check-ints-equal(slice->end - _test-input-stream, 21, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-string-with-escapes: end"/imm32 - 68/push 0x15/imm32 - # . . push slice->end - _test-input-stream - 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-word-or-expression-returns-whole-expression: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-input-stream) - # . . push args - 68/push _test-input-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # var slice/ecx: slice - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # write(_test-input-stream, " *(a b)/imm32 ") - # . . push args - 68/push " *(a b)/imm32 "/imm32 - 68/push _test-input-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # next-word-or-expression(_test-input-stream, slice) - # . . push args - 51/push-ecx - 68/push _test-input-stream/imm32 - # . . call - e8/call next-word-or-expression/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # check-ints-equal(slice->start - _test-input-stream->data, 1, msg) - # . check-ints-equal(slice->start - _test-input-stream, 13, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-whole-expression: start"/imm32 - 68/push 0xd/imm32 - # . . push slice->start - _test-input-stream - 8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(slice->end - _test-input-stream->data, 13, msg) - # . check-ints-equal(slice->end - _test-input-stream, 25, msg) - # . . push args - 68/push "F - test-next-word-or-expression-returns-whole-expression: end"/imm32 - 68/push 0x19/imm32 - # . . push slice->end - _test-input-stream - 8b/copy 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax - 81 5/subop/subtract 3/mod/direct 0/rm32/eax . . . . . _test-input-stream/imm32 # subtract from eax - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# Grammar: -# *reg -> 0/mod reg/rm32 -# *(reg) -> 0/mod reg/rm32 -# *(reg+disp) -> 2/mod reg/rm32 disp/disp32 -# *(reg1+reg2<<s) -> 2/mod 4/rm32 reg1/base reg2/index s/scale 0/disp32 -# *(reg1+reg2<<s+disp) -> 2/mod 4/rm32 reg1/base reg2/index s/scale disp/disp32 -# Intermediate structure: base, index, scale, disp -# Default values: base: 0, index: 4 (none), scale: 0, disp: 0 -parse-effective-address: # word-slice: (addr slice) -> base/eax, index/ecx, scale/edx, disp/ebx - # pseudocode: - # var local-slice = {word-slice->start, word-slice->end} - # ++local-slice->start to skip '*' - # initialize defaults: base=0, index=4, scale=0, disp=0 - # if (*local-slice->start != '(') { - # local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/") - # base = get-slice(Registers, local-slice, row-size=12) - # return - # } - # # compound expressions - # skip whitespace - # read register into base - # skip whitespace - # if (*local-slice->start == ')') goto end - # if (*local-slice->start == '-') goto displacement - # if (*local-slice->start != '+') goto error1 - # ++local-slice->start to skip '+' - # skip whitespace - # if next 3 characters don't make a register, goto displacement - # read register into index - # skip whitespace - # if (*local-slice->start == ')') goto end - # if (*local-slice->start == '<') { - # ++local-slice->start to skip '<' - # if (*local-slice->start != '<') goto error2 - # ++local-slice->start to skip '<' - # skip whitespace - # read integer into scale - # skip whitespace - # if (*local-slice->start == ')') goto end - # } - # if (*local-slice->start not in '+' '-') goto error3 - # displacement: - # read integer into disp - # skip whitespace - # if (*local-slice->start != ')') goto error4 - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 56/push-esi - 57/push-edi - # var local-slice/esi: slice = {word-slice->start, word-slice->end} - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - 89/copy 3/mod/direct 6/rm32/esi . . . 4/r32/esp . . # copy esp to esi - # ++local-slice->start to skip '*' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # initialize defaults - # base is in edi; we'll move it to eax just before we return - bf/copy-to-edi 0/imm32 - b9/copy-to-ecx 4/imm32/no-index - ba/copy-to-edx 0/imm32/.scale - bb/copy-to-ebx 0/imm32/disp -$parse-effective-address:check-for-simple-register: - # if (*local-slice->start == '(') goto compound expression - 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x28/imm32/open-paren - 74/jump-if-= $parse-effective-address:compound-expression/disp8 -$parse-effective-address:simple-register: - # local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/") - # . . push args - 56/push-esi - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp - # base = get-slice(Registers, local-slice, row-size=12) - # . eax = get-slice(Registers, local-slice, row-size=12) - # . . push args - 68/push "Registers"/imm32 - 68/push 0xc/imm32/row-size - 56/push-esi - 68/push Registers/imm32 - # . . call - e8/call get-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp - # . base = *eax - 8b/copy 0/mod/indirect 0/rm32/eax . . . 7/r32/edi . . # copy *eax to edi - # return - e9/jump $parse-effective-address:end/disp32 -$parse-effective-address:compound-expression: - # ++local-slice->start to skip '(' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi - # read register into base - # . eax = next-register(local-slice) - # . . push args - 56/push-esi - # . . call - e8/call next-register/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . edi = *eax - 8b/copy 0/mod/indirect 0/rm32/eax . . . 7/r32/edi . . # copy *eax to edi - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi - # if (*local-slice->start == ')') goto end - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x29/imm32/close-paren - 0f 84/jump-if-= $parse-effective-address:end/disp32 - # if (*local-slice->start == '-') goto displacement - 3d/compare-eax-and 0x2d/imm32/minus - 0f 84/jump-if-= $parse-effective-address:displacement/disp32 - # if (*local-slice->start != '+') goto error1 - 3d/compare-eax-and 0x2b/imm32/plus - 0f 85/jump-if-!= $parse-effective-address:error1/disp32 -$parse-effective-address:check-for-index: - # ++local-slice->start to skip '+' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi -$parse-effective-address:resolve-ambiguity: - # if next 3 characters don't make a register, goto displacement - # . spill ecx - 51/push-ecx - # . var tmp/ecx = {local-slice->start, local-slice->start+3} - # . . ecx = local-slice->start - 89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx - # . . eax = local-slice->start+3 - 05/add-to-eax 3/imm32 - # . . push - 50/push-eax - 51/push-ecx - # . . copy esp to ecx - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # . eax = maybe-get-slice(Register, tmp, row-size=12) - # . . push args - 68/push 0xc/imm32/row-size - 51/push-ecx - 68/push Registers/imm32 - # . . call - e8/call maybe-get-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . reclaim tmp - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . restore ecx - 59/pop-to-ecx - # . if (eax == 0) goto displacement - 3d/compare-eax-and 0/imm32 - 0f 84/jump-if-= $parse-effective-address:displacement/disp32 -$parse-effective-address:index: - # read register into index - # . eax = next-register(local-slice) - # . . push args - 56/push-esi - # . . call - e8/call next-register/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . ecx = *eax - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi - # if (*local-slice->start == ')') goto end - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x29/imm32/close-paren - 0f 84/jump-if-= $parse-effective-address:end/disp32 -$parse-effective-address:check-for-scale: - # if (*local-slice->start != '<') goto next check - 3d/compare-eax-and 0x3c/imm32/less-than - 75/jump-if-!= $parse-effective-address:check-for-displacement/disp8 - # ++local-slice->start to skip '<' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # if (*local-slice->start != '<') goto error2 - 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x3c/imm32/less-than - 0f 85/jump-if-!= $parse-effective-address:error2/disp32 - # ++local-slice->start to skip '<' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi -$parse-effective-address:scale: - # read positive integer into scale - # . eax = next-positive-hex-int(local-slice) - # . . push args - 56/push-esi - # . . call - e8/call next-positive-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . edx = eax - 89/copy 3/mod/direct 2/rm32/edx . . . 0/r32/eax . . # copy eax to edx - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi - # if (*local-slice->start == ')') goto end - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x29/imm32/close-paren - 74/jump-if-= $parse-effective-address:end/disp8 -$parse-effective-address:check-for-displacement: - # if (*local-slice->start not in '+' '-') goto error3 - 3d/compare-eax-and 0x2b/imm32/plus - 74/jump-if-= $parse-effective-address:displacement/disp8 - 3d/compare-eax-and 0x2d/imm32/minus - 74/jump-if-= $parse-effective-address:displacement/disp8 - e9/jump $parse-effective-address:error3/disp32 -$parse-effective-address:displacement: - # read integer into disp - # . eax = next-hex-int(local-slice) - # . . push args - 56/push-esi - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . ebx = eax - 89/copy 3/mod/direct 3/rm32/ebx . . . 0/r32/eax . . # copy eax to ebx - # skip whitespace - # . eax = skip-chars-matching-whitespace-in-slice(local-slice->start, local-slice->end) - # . . push args - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . local-slice->start = eax - 89/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy eax to *esi - # if (*local-slice->start != ')') goto error4 - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x29/imm32/close-paren - 0f 85/jump-if-!= $parse-effective-address:error4/disp32 -$parse-effective-address:end: - # return base in eax - 89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax - # . reclaim locals - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . restore registers - 5f/pop-to-edi - 5e/pop-to-esi - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -$parse-effective-address:error1: - # print(stderr, "error: unexpected character: " eax "\n") - # . write-buffered(Stderr, "error: unexpected character: ") - # . . push args - 68/push "error: unexpected character: "/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, eax) - # . . push args - 50/push-eax - 68/push Stderr/imm32 - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "\n") - # . . push args - 68/push Newline/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -$parse-effective-address:error2: - # print(stderr, "error: '<' can only be followed by '<' but got: " eax "\n") - # . write-buffered(Stderr, "error: '<' can only be followed by '<' but got: ") - # . . push args - 68/push "error: '<' can only be followed by '<' but got: "/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, eax) - # . . push args - 50/push-eax - 68/push Stderr/imm32 - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "\n") - # . . push args - 68/push Newline/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -$parse-effective-address:error3: - # print(stderr, "error: unexpected character before displacement: " eax "\n") - # . write-buffered(Stderr, "error: unexpected character before displacement: ") - # . . push args - 68/push "error: unexpected character before displacement: "/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, eax) - # . . push args - 50/push-eax - 68/push Stderr/imm32 - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "\n") - # . . push args - 68/push Newline/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -$parse-effective-address:error4: - # print(stderr, "error: unexpected character after displacement: " eax "; expected ')' to wrap up\n") - # . write-buffered(Stderr, "error: unexpected character after displacement: ") - # . . push args - 68/push "error: unexpected character after displacement: "/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, eax) - # . . push args - 50/push-eax - 68/push Stderr/imm32 - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(Stderr, "; expected ')' to wrap up\n") - # . . push args - 68/push "; expected ')' to wrap up\n"/imm32 - 68/push Stderr/imm32 - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -# assumes 'in' starts with a register name, and returns pointer to its code -# side-effect: modifies 'in' to scan past the initial register name -next-register: # in: (addr slice) -> reg/eax: int - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 51/push-ecx - 56/push-esi - # esi = in - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi - # var reg-slice/ecx: slice = {in->start, in->start + 3} - 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax - 05/add-to-eax 3/imm32 - 50/push-eax - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # in->start += 3 - 81 0/subop/add 0/mod/indirect 6/rm32/esi . . . . . 3/imm32 # add to *esi - # eax = get-slice(Registers, reg-slice, row-size=12) - # . . push args - 68/push "next-register"/imm32 - 68/push 0xc/imm32/row-size - 51/push-ecx - 68/push Registers/imm32 - # . . call - e8/call get-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp -$next-register:end: - # . reclaim locals - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . restore registers - 5e/pop-to-esi - 59/pop-to-ecx - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-simple: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*esi" - b8/copy-to-eax "*esi"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-simple/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 4, msg) - # . . push args - 68/push "F - test-parse-effective-address-simple/index"/imm32 - 68/push 4/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-simple/scale"/imm32 - 68/push 0/imm32/none - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-simple/displacement"/imm32 - 68/push 0/imm32/none - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-base: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*(esi )" - b8/copy-to-eax "*(esi )"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-base/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 4, msg) - # . . push args - 68/push "F - test-parse-effective-address-base/index"/imm32 - 68/push 4/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base/scale"/imm32 - 68/push 0/imm32/none - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base/displacement"/imm32 - 68/push 0/imm32/none - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-base-displacement: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*(esi+3)" - b8/copy-to-eax "*(esi+3)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-displacement/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 4, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-displacement/index"/imm32 - 68/push 4/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-displacement/scale"/imm32 - 68/push 0/imm32/none - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, 3, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-displacement/displacement"/imm32 - 68/push 3/imm32 - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-base-negative-displacement: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*(esi-3)" - b8/copy-to-eax "*(esi-3)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-negative-displacement/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 4, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-negative-displacement/index"/imm32 - 68/push 4/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-negative-displacement/scale"/imm32 - 68/push 0/imm32/none - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, -3, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-negative-displacement/displacement"/imm32 - 68/push -3/imm32 - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-base-index: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*(esi+ecx)" - b8/copy-to-eax "*(esi+ecx)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 1, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index/index"/imm32 - 68/push 1/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index/scale"/imm32 - 68/push 0/imm32/none - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index/displacement"/imm32 - 68/push 0/imm32 - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-base-index-scale: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*(esi+ecx<<2)" - b8/copy-to-eax "*(esi+ecx<<2)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 1, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/index"/imm32 - 68/push 1/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 2, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/scale"/imm32 - 68/push 2/imm32 - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, 0, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/displacement"/imm32 - 68/push 0/imm32 - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-parse-effective-address-base-index-scale-displacement: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var slice/ecx = "*(esi + ecx<<2 - 0x34)" - b8/copy-to-eax "*(esi + ecx<<2 - 0x34)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # . ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax, ecx, edx, ebx = parse-effective-address(slice) - # . . push args - 51/push-ecx - # . . call - e8/call parse-effective-address/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # slice clobbered beyond this point - # check-ints-equal(eax, 6, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/base"/imm32 - 68/push 6/imm32/esi - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ecx, 1, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/index"/imm32 - 68/push 1/imm32/none - 51/push-ecx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(edx, 2, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/scale"/imm32 - 68/push 2/imm32 - 52/push-edx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # check-ints-equal(ebx, -0x34, msg) - # . . push args - 68/push "F - test-parse-effective-address-base-index-scale/displacement"/imm32 - 68/push -0x34/imm32 - 53/push-ebx - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# Code generation: -# if base is esp, then goto emit-sib -# if base is ebp, then goto emit-sib -# if index is none and disp is 0, then mod = 0 and rm32 = base -# if index is none, then mod = 2 and rm32 = base and disp32 = disp -# emit-sib: -# if index is not none, then mod = 2 and rm32 = 4 and base = base and index = index and disp32 = disp -emit-indirect-mode: # out: (addr buffered-file), base: int, index: int, scale: int, disp: int - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp -$emit-indirect-mode:check-for-ebp: - # if (base == 5) goto emit-sib - 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 5/imm32 # compare *(ebp+12) - 74/jump-if-= $emit-indirect-mode:emit-sib/disp8 -$emit-indirect-mode:check-for-esp: - # if (base == 4) goto emit-sib - 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 4/imm32 # compare *(ebp+12) - 74/jump-if-= $emit-indirect-mode:emit-sib/disp8 -$emit-indirect-mode:check-for-sib: - # if (index == 4/none) goto next check - 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 4/imm32 # compare *(ebp+16) - 0f 84/jump-if-= $emit-indirect-mode:check-for-disp/disp32 -$emit-indirect-mode:emit-sib: - # emit(out, "2/mod/indirect 4/rm32/sib " base "/base " index "/index " scale "/scale " disp "/disp32") - # . write-buffered(out, "2/mod/*+disp32 4/rm32/sib ") - # . . push args - 68/push "2/mod/*+disp32 4/rm32/sib "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, base) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/base ") - # . . push args - 68/push "/base "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, index) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 . # push *(ebp+16) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/index ") - # . . push args - 68/push "/index "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, scale) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x14/disp8 . # push *(ebp+20) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/scale ") - # . . push args - 68/push "/scale "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, disp) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x18/disp8 . # push *(ebp+24) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/disp32") - # . . push args - 68/push "/disp32"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - e9/jump $emit-indirect-mode:end/disp32 -$emit-indirect-mode:check-for-disp: - # if (disp == 0) goto next check - 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp . . . . 0x18/disp8 0/imm32 # compare *(ebp+24) - 74/jump-if-= $emit-indirect-mode:emit-indirect/disp8 -$emit-indirect-mode:emit-disp: - # emit(out, "2/mod/*+disp32 " base "/rm32 " disp "/disp32") - # . write-buffered(out, "2/mod/*+disp32 ") - # . . push args - 68/push "2/mod/*+disp32 "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, base) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/rm32 ") - # . . push args - 68/push "/rm32 "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, disp) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x18/disp8 . # push *(ebp+24) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/disp32") - # . . push args - 68/push "/disp32"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - eb/jump $emit-indirect-mode:end/disp8 -$emit-indirect-mode:emit-indirect: - # emit(out, "0/mod/indirect " base "/rm32") - # . write-buffered(out, "0/mod/indirect ") - # . . push args - 68/push "0/mod/indirect "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-int32-hex-buffered(out, base) - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . write-buffered(out, "/rm32") - # . . push args - 68/push "/rm32"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -$emit-indirect-mode:end: - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 0, 4/none, 0, 0) - # . . write args - 68/push 0/imm32/.disp - 68/push 0/imm32/.scale - 68/push 4/imm32/.index/none - 68/push 0/imm32/.base - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "0/mod/indirect 0/rm32", msg) - # . . push args - 68/push "F - test-emit-indirect-mode"/imm32 - 68/push "0/mod/indirect 0x00000000/rm32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode-2: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 6, 4/none, 0, 0) - # . . write args - 68/push 0/imm32/.disp - 68/push 0/imm32/.scale - 68/push 4/imm32/.index/none - 68/push 7/imm32/.base - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "0/mod/indirect 7/rm32", msg) - # . . push args - 68/push "F - test-emit-indirect-mode-2"/imm32 - 68/push "0/mod/indirect 0x00000007/rm32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode-with-disp: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 6, 4/none, 0, 4) - # . . write args - 68/push 4/imm32/.disp - 68/push 0/imm32/.scale - 68/push 4/imm32/.index/none - 68/push 6/imm32/.base - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "2/mod/*+disp32 6/rm32 4/disp32", msg) - # . . push args - 68/push "F - test-emit-indirect-mode-with-disp"/imm32 - 68/push "2/mod/*+disp32 0x00000006/rm32 0x00000004/disp32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode-with-disp-negative: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 6, 4/none, 0, -4) - # . . write args - 68/push -4/imm32/.disp - 68/push 0/imm32/.scale - 68/push 4/imm32/.index/none - 68/push 6/imm32/.base - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "2/mod/*+disp32 6/rm32 -4/disp32", msg) - # . . push args - 68/push "F - test-emit-indirect-mode-with-disp"/imm32 - 68/push "2/mod/*+disp32 0x00000006/rm32 0xfffffffc/disp32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode-with-sib: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 6/base, 1/index, 2/scale, 4/disp) - # . . write args - 68/push 4/imm32/.disp - 68/push 2/imm32/.scale - 68/push 1/imm32/.index - 68/push 6/imm32/.base - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "2/mod/indirect 4/rm32/sib 6/base 1/index 2/scale 4/disp", msg) - # . . push args - 68/push "F - test-emit-indirect-mode-with-sib"/imm32 - 68/push "2/mod/*+disp32 4/rm32/sib 0x00000006/base 0x00000001/index 0x00000002/scale 0x00000004/disp32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode-ebp: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 5/base, 0/index, 0/scale, 0/disp) - # . . write args - 68/push 0/imm32/.disp - 68/push 0/imm32/.scale - 68/push 0/imm32/.index - 68/push 5/imm32/.base/ebp - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "2/mod/*+disp32 4/rm32/sib 5/base/ebp 0/index 0/scale 0/disp32", msg) - # . . push args - 68/push "F - test-emit-indirect-mode-ebp"/imm32 - 68/push "2/mod/*+disp32 4/rm32/sib 0x00000005/base 0x00000000/index 0x00000000/scale 0x00000000/disp32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-emit-indirect-mode-esp: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # setup - # . clear-stream(_test-output-stream) - # . . push args - 68/push _test-output-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . clear-stream($_test-output-buffered-file->buffer) - # . . push args - 68/push $_test-output-buffered-file->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # emit-indirect-mode(_test-output-buffered-file, 4/base, 0/index, 0/scale, 0/disp) - # . . write args - 68/push 0/imm32/.disp - 68/push 0/imm32/.scale - 68/push 0/imm32/.index - 68/push 4/imm32/.base/esp - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call emit-indirect-mode/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp - # . flush(_test-output-buffered-file) - # . . push args - 68/push _test-output-buffered-file/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp -#? # dump output {{{ -#? # . write(2/stderr, "^") -#? # . . push args -#? 68/push "^"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write-stream(2/stderr, _test-output-stream) -#? # . . push args -#? 68/push _test-output-stream/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write-stream/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # . write(2/stderr, "$\n") -#? # . . push args -#? 68/push "$\n"/imm32 -#? 68/push 2/imm32/stderr -#? # . . call -#? e8/call write/disp32 -#? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -#? # }}} - # check-stream-equal(_test-output-stream, "2/mod/*+disp32 4/rm32/sib 4/base/ebp 0/index 0/scale 0/disp32", msg) - # . . push args - 68/push "F - test-emit-indirect-mode-esp"/imm32 - 68/push "2/mod/*+disp32 4/rm32/sib 0x00000004/base 0x00000000/index 0x00000000/scale 0x00000000/disp32"/imm32 - 68/push _test-output-stream/imm32 - # . . call - e8/call check-stream-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -disp32-mode?: # in: (addr slice) -> reg/eax: boolean - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 56/push-esi - 57/push-edi - # var local-slice/esi: slice = {in->start, in->end} - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - 89/copy 3/mod/direct 6/rm32/esi . . . 4/r32/esp . . # copy esp to esi - # ++local-slice->start to skip '*' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # if (*local-slice->start == '(') return false - 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax - 8a/copy-byte 0/mod/indirect 0/rm32/eax . . . 0/r32/AL . . # copy byte at *eax to AL - 81 4/subop/and 3/mod/direct 0/rm32/eax . . . . . 0xff/imm32 # bitwise and of eax - 3d/compare-eax-and 0x28/imm32/open-paren - 74/jump-if-= $disp32-mode?:false/disp8 -$disp32-mode?:check-for-register: - # local-slice = next-token-from-slice(local-slice->start, local-slice->end, "/") - # . . push args - 56/push-esi - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp - # reg-num/eax = maybe-get-slice(Registers, local-slice, row-size=12) - # . . push args - 68/push 0xc/imm32/row-size - 56/push-esi - 68/push Registers/imm32 - # . . cal - e8/call maybe-get-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # if (eax != 0) return false - 3d/compare-eax-and 0/imm32 - 75/jump-if-!= $disp32-mode?:false/disp8 - # return true - b8/copy-to-eax 1/imm32/true - eb/jump $disp32-mode?:end/disp8 -$disp32-mode?:false: - b8/copy-to-eax 0/imm32/false -$disp32-mode?:end: - # . reclaim locals - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . restore registers - 5f/pop-to-edi - 5e/pop-to-esi - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -emit-indirect-disp32: # out: (addr buffered-file), word-slice: (addr slice) - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 56/push-esi - # var local-slice/esi: slice = {in->start, in->end} - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi - ff 6/subop/push 1/mod/*+disp8 6/rm32/esi . . . . 4/disp8 . # push *(esi+4) - ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi - 89/copy 3/mod/direct 6/rm32/esi . . . 4/r32/esp . . # copy esp to esi - # ++local-slice->start to skip '*' - ff 0/subop/increment 0/mod/indirect 6/rm32/esi . . . . . . # increment *esi - # write-buffered(out, "0/mod/indirect 5/rm32/.disp32 ") - # . . push args - 68/push "0/mod/indirect 5/rm32/.disp32 "/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # write-slice-buffered(out, local-slice) - # . . push args - 56/push-esi - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-slice-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # write-buffered(out, "/disp32") - # . . push args - 68/push "/disp32"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call write-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp -$emit-indirect-disp32:end: - # . reclaim locals - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . restore registers - 5e/pop-to-esi - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# assumes 'in' starts with optional '+' or '-', optional whitespace, and an unsigned integer -# returns the value of the integer -# side-effect: modifies 'in' to skip past the integer -next-hex-int: # in: (addr slice) -> result/eax - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 51/push-ecx - 52/push-edx - 53/push-ebx - 56/push-esi - 57/push-edi - # result/edi = 0 - 31/xor 3/mod/direct 7/rm32/edi . . . 7/r32/edi . . # clear edi - # esi = in - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi - # edx = in->end - 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 2/r32/edx 4/disp8 . # copy *(esi+4) to edx - # curr/ecx = in->start - 8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx - # negate?/ebx = false - 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx - # eax = *curr - 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL -$next-hex-int:positive: - # if (*curr == '+') ++curr - 3d/compare-eax-and 0x2b/imm32/+ - 75/jump-if-!= $next-hex-int:negative/disp8 - # . ++curr - 41/increment-ecx - eb/jump $next-hex-int:skip-whitespace/disp8 -$next-hex-int:negative: - # else if (*curr == '-') ++curr, negate = true - 3d/compare-eax-and 0x2d/imm32/- - 75/jump-if-!= $next-hex-int:skip-whitespace/disp8 -$next-hex-int:need-to-negate: - # . ++curr - 41/increment-ecx - # . negate = true - bb/copy-to-ebx 1/imm32/true - # fall through -$next-hex-int:skip-whitespace: - # spill eax - 50/push-eax - # eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end) - # . . push args - 52/push-edx - 51/push-ecx - # . . call - e8/call skip-chars-matching-whitespace-in-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # ecx = eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx - # restore eax - 58/pop-to-eax -$next-hex-int:initial-0: - # skip past leading '0x' - # . if (*curr != '0') jump to loop - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - 3d/compare-eax-and 0x30/imm32/0 - 75/jump-if-!= $next-hex-int:loop/disp8 - # . ++curr - 41/increment-ecx -$next-hex-int:initial-0x: - # . if (curr >= in->end) return result - 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx - 73/jump-if-addr>= $next-hex-int:end/disp8 - # . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again - 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - 3d/compare-eax-and 0x78/imm32/x - 75/jump-if-!= $next-hex-int:loop/disp8 - # . ++curr - 41/increment-ecx -$next-hex-int:loop: - # if (curr >= in->end) break - 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx - 73/jump-if-addr>= $next-hex-int:break/disp8 - # if (!is-hex-digit?(*curr)) break - # . eax = *curr - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - # . eax = is-hex-digit?(*curr) - # . . push args - 50/push-eax - # . . call - e8/call is-hex-digit?/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . if (eax == false) break - 3d/compare-eax-and 0/imm32/false - 74/jump-if-= $next-hex-int:break/disp8 - # eax = from-hex-char(*curr) - # . . copy arg to eax - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - # . . call - e8/call from-hex-char/disp32 - # result = result * 16 + eax - c1/shift 4/subop/left 3/mod/direct 7/rm32/edi . . . . . 4/imm8 # shift edi left by 4 bits - 01/add 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # add eax to edi - # ++curr - 41/increment-ecx - # loop - eb/jump $next-hex-int:loop/disp8 -$next-hex-int:break: - # if (negate?) result = -result - 81 7/subop/compare 3/mod/direct 3/rm32/ebx . . . . . 0/imm32/false # compare ebx - 74/jump-if-= $next-hex-int:end/disp8 -$next-hex-int:negate: - f7 3/subop/negate 3/mod/direct 7/rm32/edi . . . . . . # negate edi -$next-hex-int:end: - # word-slice->start = curr - 89/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy ecx to *esi - # return edi - 89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax - # . restore registers - 5f/pop-to-edi - 5e/pop-to-esi - 5b/pop-to-ebx - 5a/pop-to-edx - 59/pop-to-ecx - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -$next-hex-int:abort: - # . _write(2/stderr, error) - # . . push args - 68/push "next-hex-int: invalid hex char: "/imm32 - 68/push 2/imm32/stderr - # . . call - e8/call _write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . clear-stream($Stderr->buffer) - # . . save eax - 50/push-eax - # . . push args - 68/push $Stderr->buffer/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . . restore eax - 58/pop-to-eax - # . write-int32-hex-buffered(Stderr, eax) - # . . push args - 50/push-eax - 68/push Stderr/imm32 - # . . call - e8/call write-int32-hex-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . _write(2/stderr, "\n") - # . . push args - 68/push Newline/imm32 - 68/push 2/imm32/stderr - # . . call - e8/call _write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp - # . syscall(exit, 1) - bb/copy-to-ebx 1/imm32 - e8/call syscall_exit/disp32 - # never gets here - -test-next-hex-int-single-digit: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "+a)" - b8/copy-to-eax "+a)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0xa, msg) - # . . push args - 68/push "F - test-next-hex-int-single-digit"/imm32 - 68/push 0xa/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-hex-int-multi-digit: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "+ 34a)" - b8/copy-to-eax "+ 34a)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0x34a, msg) - # . . push args - 68/push "F - test-next-hex-int-multi-digit"/imm32 - 68/push 0x34a/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-hex-int-0x-prefix: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "+0x34)" - b8/copy-to-eax "+0x34)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0x34, msg) - # . . push args - 68/push "F - test-next-hex-int-0x-prefix"/imm32 - 68/push 0x34/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-hex-int-zero: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "+0)" - b8/copy-to-eax "+0)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0, msg) - # . . push args - 68/push "F - test-next-hex-int-zero"/imm32 - 68/push 0/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-hex-int-0-prefix: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "+ 03)" - b8/copy-to-eax "+ 03)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 3, msg) - # . . push args - 68/push "F - test-next-hex-int-0-prefix"/imm32 - 68/push 3/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-hex-int-negative: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "-03)" - b8/copy-to-eax "-03)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, -3, msg) - # . . push args - 68/push "F - test-next-hex-int-negative"/imm32 - 68/push -3/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-hex-int-negative-with-space: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "- 03)" - b8/copy-to-eax "- 03)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, -3, msg) - # . . push args - 68/push "F - test-next-hex-int-negative-with-space"/imm32 - 68/push -3/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# assumes 'in' starts a positive unsigned integer -# returns the value of the integer -# side-effect: modifies 'in' to skip past the integer -next-positive-hex-int: # in: (addr slice) -> result/eax - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 51/push-ecx - 52/push-edx - 53/push-ebx - 56/push-esi - 57/push-edi - # result/edi = 0 - 31/xor 3/mod/direct 7/rm32/edi . . . 7/r32/edi . . # clear edi - # esi = in - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi - # edx = in->end - 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 2/r32/edx 4/disp8 . # copy *(esi+4) to edx - # curr/ecx = in->start - 8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx - # negate?/ebx = false - 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx - # eax = *curr - 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL -$next-positive-hex-int:initial-0: - # skip past leading '0x' - # . if (*curr != '0') jump to loop - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - 3d/compare-eax-and 0x30/imm32/0 - 75/jump-if-!= $next-positive-hex-int:loop/disp8 - # . ++curr - 41/increment-ecx -$next-positive-hex-int:initial-0x: - # . if (curr >= in->end) return result - 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx - 73/jump-if-addr>= $next-positive-hex-int:end/disp8 - # . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again - 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - 3d/compare-eax-and 0x78/imm32/x - 75/jump-if-!= $next-positive-hex-int:loop/disp8 - # . ++curr - 41/increment-ecx -$next-positive-hex-int:loop: - # if (curr >= in->end) break - 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx - 73/jump-if-addr>= $next-positive-hex-int:end/disp8 - # if (!is-hex-digit?(*curr)) break - # . eax = *curr - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - # . eax = is-hex-digit?(*curr) - # . . push args - 50/push-eax - # . . call - e8/call is-hex-digit?/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # . if (eax == false) break - 3d/compare-eax-and 0/imm32/false - 74/jump-if-= $next-positive-hex-int:end/disp8 - # eax = from-hex-char(*curr) - # . . copy arg to eax - 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL - # . . call - e8/call from-hex-char/disp32 - # result = result * 16 + eax - c1/shift 4/subop/left 3/mod/direct 7/rm32/edi . . . . . 4/imm8 # shift edi left by 4 bits - 01/add 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # add eax to edi - # ++curr - 41/increment-ecx - # loop - eb/jump $next-positive-hex-int:loop/disp8 -$next-positive-hex-int:end: - # word-slice->start = curr - 89/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy ecx to *esi - # return edi - 89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax - # . restore registers - 5f/pop-to-edi - 5e/pop-to-esi - 5b/pop-to-ebx - 5a/pop-to-edx - 59/pop-to-ecx - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-positive-hex-int-single-digit: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "a)" - b8/copy-to-eax "a)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-positive-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-positive-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0xa, msg) - # . . push args - 68/push "F - test-next-positive-hex-int-single-digit"/imm32 - 68/push 0xa/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-positive-hex-int-multi-digit: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "34a)" - b8/copy-to-eax "34a)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-positive-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-positive-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0x34a, msg) - # . . push args - 68/push "F - test-next-positive-hex-int-multi-digit"/imm32 - 68/push 0x34a/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-positive-hex-int-0x-prefix: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "0x34)" - b8/copy-to-eax "0x34)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-positive-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-positive-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0x34, msg) - # . . push args - 68/push "F - test-next-positive-hex-int-0x-prefix"/imm32 - 68/push 0x34/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-positive-hex-int-zero: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "0" - b8/copy-to-eax "0"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-positive-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-positive-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 0, msg) - # . . push args - 68/push "F - test-next-positive-hex-int-zero"/imm32 - 68/push 0/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -test-next-positive-hex-int-0-prefix: - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # (eax..ecx) = "03)" - b8/copy-to-eax "03)"/imm32 - 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx - 05/add-to-eax 4/imm32 - # var slice/ecx = {eax, ecx} - 51/push-ecx - 50/push-eax - 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx - # eax = next-positive-hex-int(slice) - # . . push args - 51/push-ecx - # . . call - e8/call next-positive-hex-int/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp - # check-ints-equal(eax, 3, msg) - # . . push args - 68/push "F - test-next-positive-hex-int-0-prefix"/imm32 - 68/push 3/imm32 - 50/push-eax - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# . . vim:nowrap:textwidth=0 |