diff options
Diffstat (limited to '085array-equal.subx')
| -rw-r--r-- | 085array-equal.subx | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/085array-equal.subx b/085array-equal.subx new file mode 100644 index 00000000..d6dec878 --- /dev/null +++ b/085array-equal.subx @@ -0,0 +1,603 @@ +# Comparing arrays of numbers. + +== 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 + +array-equal?: # a : (address array int), b : (address array int) -> eax : boolean + # pseudocode: + # lena = a->length + # if (lena != b->length) return false + # i = 0 + # curra = a->data + # currb = b->data + # while i < lena + # i1 = *curra + # i2 = *currb + # if (c1 != c2) return false + # i+=4, curra+=4, currb+=4 + # return true + # + # registers: + # i: ecx + # lena: edx + # curra: esi + # currb: edi + # i1: eax + # i2: ebx + # + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # . save registers + 51/push-ecx + 52/push-edx + 53/push-ebx + 56/push-esi + 57/push-edi + # esi = a + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi + # edi = b + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi + # lena/edx = a->length + 8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx +$array-equal?:lengths: + # if (lena != b->length) return false + 39/compare 0/mod/indirect 7/rm32/edi . . . 2/r32/edx . . # compare *edi and edx + 75/jump-if-not-equal $array-equal?:false/disp8 + # curra/esi = a->data + 81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 4/imm32 # add to esi + # currb/edi = b->data + 81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi + # i/ecx = i1/eax = i2/ebx = 0 + 31/xor 3/mod/direct 1/rm32/ecx . . . 1/r32/ecx . . # clear ecx +$array-equal?:loop: + # if (i >= lena) return true + 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx + 7d/jump-if-greater-or-equal $array-equal?:true/disp8 + # i1 = *curra + 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax + # i2 = *currb + 8b/copy 0/mod/indirect 7/rm32/edi . . . 3/r32/ebx . . # copy *edi to ebx + # if (i1 != i2) return false + 39/compare 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # compare eax and ebx + 75/jump-if-not-equal $array-equal?:false/disp8 + # i += 4 + 81 0/subop/add 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # add to ecx + # currs += 4 + 81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 4/imm32 # add to esi + # currb += 4 + 81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi + eb/jump $array-equal?:loop/disp8 +$array-equal?:true: + b8/copy-to-eax 1/imm32 + eb/jump $array-equal?:end/disp8 +$array-equal?:false: + b8/copy-to-eax 0/imm32 +$array-equal?:end: + # . restore registers + 5f/pop-to-edi + 5e/pop-to-esi + 5b/pop-to-ebx + 5a/pop-to-edx + 59/pop-to-ecx + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-compare-empty-with-empty-array: + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [] + 68/push 0/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # var edx = [] + 68/push 0/imm32/size + 89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx + # eax = array-equal?(ecx, edx) + # . . push args + 52/push-edx + 51/push-ecx + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 1, msg) + # . . push args + 68/push "F - test-compare-empty-with-empty-array"/imm32 + 68/push 1/imm32/true + 50/push-eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-compare-empty-with-non-empty-array: # also checks length-mismatch code path + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [1] + 68/push 1/imm32 + 68/push 4/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # var edx = [] + 68/push 0/imm32/size + 89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx + # eax = array-equal?(ecx, edx) + # . . push args + 52/push-edx + 51/push-ecx + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 0, msg) + # . . push args + 68/push "F - test-compare-empty-with-non-empty-array"/imm32 + 68/push 0/imm32/false + 50/push-eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-compare-equal-arrays: + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [1, 2, 3] + 68/push 3/imm32 + 68/push 2/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # var edx = [1, 2, 3] + 68/push 3/imm32 + 68/push 2/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx + # eax = array-equal?(ecx, edx) + # . . push args + 52/push-edx + 51/push-ecx + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 1, msg) + # . . push args + 68/push "F - test-compare-equal-arrays"/imm32 + 68/push 1/imm32/true + 50/push-eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-compare-inequal-arrays-equal-lengths: + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [1, 4, 3] + 68/push 3/imm32 + 68/push 4/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # var edx = [1, 2, 3] + 68/push 3/imm32 + 68/push 2/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx + # eax = array-equal?(ecx, edx) + # . . push args + 52/push-edx + 51/push-ecx + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 0, msg) + # . . push args + 68/push "F - test-compare-inequal-arrays-equal-lengths"/imm32 + 68/push 0/imm32/false + 50/push-eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +parse-array-of-ints: # ad : (address allocation-descriptor), s : (address string) -> result/eax : (address array int) + # pseudocode + # end = s->data + s->length + # curr = s->data + # size = 0 + # while true + # if (curr >= end) break + # curr = skip-chars-matching-in-slice(curr, end, ' ') + # if (curr >= end) break + # curr = skip-chars-not-matching-in-slice(curr, end, ' ') + # ++size + # result = allocate(ad, (size+1)*4) + # result->size = (size+1)*4 + # var slice = {s->data, 0} + # out = result->data + # while true + # if (slice->start >= end) break + # slice->start = skip-chars-matching-in-slice(slice->start, end, ' ') + # if (slice->start >= end) break + # slice->end = skip-chars-not-matching-in-slice(slice->start, end, ' ') + # *out = parse-hex-int(slice) + # out += 4 + # slice->start = slice->end + # return result + # + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # . save registers + 51/push-ecx + 52/push-edx + 53/push-ebx + 56/push-esi + 57/push-edi + # esi = s + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi + # curr/ecx = s->data + 8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy esi+4 to ecx + # end/edx = s->data + s->length + # . edx = s->length + 8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx + # . edx += curr + 01/add 3/mod/direct 2/rm32/edx . . . 1/r32/ecx . . # add ecx to edx + # size/ebx = 0 + 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx +$parse-array-of-ints:loop1: + # if (curr >= end) break + 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx + 73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:break1/disp8 + # curr = skip-chars-matching-in-slice(curr, end, ' ') + # . eax = skip-chars-matching-in-slice(curr, end, ' ') + # . . push args + 68/push 0x20/imm32/space + 52/push-edx + 51/push-ecx + # . . call + e8/call skip-chars-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . ecx = eax + 89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx + # if (curr >= end) break + 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx + 73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:break1/disp8 + # curr = skip-chars-not-matching-in-slice(curr, end, ' ') + # . eax = skip-chars-not-matching-in-slice(curr, end, ' ') + # . . push args + 68/push 0x20/imm32/space + 52/push-edx + 51/push-ecx + # . . call + e8/call skip-chars-not-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . ecx = eax + 89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx + # size += 4 + 81 0/subop/add 3/mod/direct 3/rm32/ebx . . . . . 4/imm32 # add to ebx + eb/jump $parse-array-of-ints:loop1/disp8 +$parse-array-of-ints:break1: + # result/edi = allocate(ad, size+4) + # . eax = allocate(ad, size+4) + # . . push args + 89/copy 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # copy ebx to eax + 05/add-to-eax 4/imm32 + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) + # . . call + e8/call allocate/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # . edi = eax + 89/copy 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # copy eax to edi + # result->size = size + 89/copy 0/mod/indirect 0/rm32/eax . . . 3/r32/ebx . . # copy ebx to *eax +$parse-array-of-ints:pass2: + # var slice/ecx = {s->data, 0} + # . push 0 + 68/push 0/imm32/end + # . push s->data + 8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy esi+4 to ecx + 51/push-ecx + # . bookmark + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # out/ebx = result->data + 8d/copy-address 1/mod/*+disp8 0/rm32/eax . . . 3/r32/ebx 4/disp8 . # copy eax+4 to ebx +$parse-array-of-ints:loop2: + # if (slice->start >= end) break + 39/compare 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # compare *ecx with edx + 73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:end/disp8 + # slice->start = skip-chars-matching-in-slice(slice->start, end, ' ') + # . eax = skip-chars-matching-in-slice(slice->start, end, ' ') + # . . push args + 68/push 0x20/imm32/space + 52/push-edx + ff 6/subop/push 0/mod/indirect 1/rm32/ecx . . . . . . # push *ecx + # . . call + e8/call skip-chars-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . slice->start = eax + 89/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy eax to *ecx + # if (slice->start >= end) break + 39/compare 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # compare *ecx with edx + 73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:end/disp8 + # slice->end = skip-chars-not-matching-in-slice(slice->start, end, ' ') + # . eax = skip-chars-not-matching-in-slice(curr, end, ' ') + # . . push args + 68/push 0x20/imm32/space + 52/push-edx + 50/push-eax + # . . call + e8/call skip-chars-not-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . slice->end = eax + 89/copy 1/mod/direct 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy eax to *(ecx+4) + # *out = parse-hex-int(slice) + # . eax = parse-hex-int(slice) + # . . push args + 51/push-ecx + # . . call + e8/call parse-hex-int/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp + # *out = eax + 89/copy 0/mod/indirect 3/rm32/ebx . . . 0/r32/eax . . # copy eax to *ebx + # out += 4 + 81 0/subop/add 3/mod/direct 3/rm32/ebx . . . . . 4/imm32 # add to ebx + # slice->start = slice->end + 8b/copy 1/mod/direct 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax + 89/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy eax to *ecx + 81 0/subop/add 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # add to ecx + eb/jump $parse-array-of-ints:loop2/disp8 +$parse-array-of-ints:end: + # return edi + 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 + 5b/pop-to-ebx + 5a/pop-to-edx + 59/pop-to-ecx + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-parse-array-of-ints: + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [1, 2, 3] + 68/push 3/imm32 + 68/push 2/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # eax = parse-array-of-ints(Heap, "1 2 3") + # . . push args + 68/push "1 2 3"/imm32 + 68/push Heap/imm32 + # . . call + e8/call parse-array-of-ints/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # eax = array-equal?(ecx, eax) + # . . push args + 50/push-eax + 51/push-ecx + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 1, msg) + # . . push args + 68/push "F - test-parse-array-of-ints"/imm32 + 68/push 1/imm32/true + 50/push-eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-parse-array-of-ints-empty: + # - empty string = empty array + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # eax = parse-array-of-ints(Heap, "") + # . . push args + 68/push ""/imm32 + 68/push Heap/imm32 + # . . call + e8/call parse-array-of-ints/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(*eax, 0, msg) + # . . push args + 68/push "F - test-parse-array-of-ints-empty"/imm32 + 68/push 0/imm32/size + ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-parse-array-of-ints-just-whitespace: + # - just whitespace = empty array + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # eax = parse-array-of-ints(Heap, " ") + # . . push args + 68/push Space/imm32 + 68/push Heap/imm32 + # . . call + e8/call parse-array-of-ints/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(*eax, 0, msg) + # . . push args + 68/push "F - test-parse-array-of-ints-empty"/imm32 + 68/push 0/imm32/size + ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-parse-array-of-ints-extra-whitespace: + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [1, 2, 3] + 68/push 3/imm32 + 68/push 2/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # eax = parse-array-of-ints(Heap, " 1 2 3 ") + # . . push args + 68/push " 1 2 3 "/imm32 + 68/push Heap/imm32 + # . . call + e8/call parse-array-of-ints/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # eax = array-equal?(ecx, eax) + # . . push args + 50/push-eax + 51/push-ecx + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 1, msg) + # . . push args + 68/push "F - test-parse-array-of-ints-extra-whitespace"/imm32 + 68/push 1/imm32/true + 50/push-eax + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +# helper for later tests +# compare an array with a string representation of an array literal +check-array-equal: # a : (address array int), expected : (address string), msg : (address string) + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # . save registers + 50/push-eax + # var b/ecx = parse-array-of-ints(Heap, expected) + # . eax = parse-array-of-ints(Heap, expected) + # . . push args + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) + 68/push Heap/imm32 + # . . call + e8/call parse-array-of-ints/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # . b = eax + 89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx + # eax = array-equal?(a, b) + # . . push args + 51/push-ecx + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) + # . . call + e8/call array-equal?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # check-ints-equal(eax, 1, msg) + # . . push args + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 . # push *(ebp+16) + 68/push 1/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 +$check-array-equal:end: + # . restore registers + 58/pop-to-eax + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +test-check-array-equal: + # . prolog + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # var ecx = [1, 2, 3] + 68/push 3/imm32 + 68/push 2/imm32 + 68/push 1/imm32 + 68/push 0xc/imm32/size + 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx + # check-array-equal(ecx, "1 2 3", "msg") + # . . push args + 68/push "F - test-check-array-equal"/imm32 + 68/push "1 2 3"/imm32 + 51/push-ecx + # . . call + e8/call check-array-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # . epilog + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp + c3/return + +# . . vim:nowrap:textwidth=0 |