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path: root/generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-08-06 06:26:47 +0000
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# 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

Entry:
    # initialize heap
    # . Heap = new-segment(64KB)
    # . . push args
    68/push  Heap/imm32
    68/push  0x10000/imm32/64KB
    # . . call
    e8/call  new-segment/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp

    e8/call  run-tests/disp32  # 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.
$array-equal-main:end:
    # 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
    b8/copy-to-eax  1/imm32/exit
    cd/syscall  0x80/imm8

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  " "/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

== data

Heap:
  # curr
  0/imm32
  # limit
  0/imm32

# . . vim:nowrap:textwidth=0
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-08-06 06:26:53 +0000