606 lines
31 KiB
Plaintext
606 lines
31 KiB
Plaintext
# Comparing arrays of numbers.
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== code
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# instruction effective address register displacement immediate
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# . op subop mod rm32 base index scale r32
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# . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes
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array-equal?: # a : (addr array int), b : (addr array int) -> eax : boolean
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# pseudocode:
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# lena = a->length
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# if (lena != b->length) return false
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# i = 0
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# curra = a->data
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# currb = b->data
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# while i < lena
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# i1 = *curra
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# i2 = *currb
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# if (c1 != c2) return false
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# i+=4, curra+=4, currb+=4
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# return true
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#
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# registers:
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# i: ecx
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# lena: edx
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# curra: esi
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# currb: edi
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# i1: eax
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# i2: ebx
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#
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# . save registers
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51/push-ecx
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52/push-edx
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53/push-ebx
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56/push-esi
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57/push-edi
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# esi = a
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8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
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# edi = b
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8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi
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# var lena/edx : int = a->length
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8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx
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$array-equal?:lengths:
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# if (lena != b->length) return false
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39/compare 0/mod/indirect 7/rm32/edi . . . 2/r32/edx . . # compare *edi and edx
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75/jump-if-not-equal $array-equal?:false/disp8
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# var curra/esi : (addr byte) = a->data
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81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 4/imm32 # add to esi
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# var currb/edi : (addr byte) = b->data
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81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi
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# var i/ecx : int = 0
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31/xor 3/mod/direct 1/rm32/ecx . . . 1/r32/ecx . . # clear ecx
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# var vala/eax : int
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# var valb/ebx : int
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$array-equal?:loop:
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# if (i >= lena) return true
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39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
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7d/jump-if-greater-or-equal $array-equal?:true/disp8
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# vala = *curra
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8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
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# valb = *currb
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8b/copy 0/mod/indirect 7/rm32/edi . . . 3/r32/ebx . . # copy *edi to ebx
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# if (vala != valb) return false
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39/compare 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # compare eax and ebx
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75/jump-if-not-equal $array-equal?:false/disp8
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# i += 4
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81 0/subop/add 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # add to ecx
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# currs += 4
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81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 4/imm32 # add to esi
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# currb += 4
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81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi
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eb/jump $array-equal?:loop/disp8
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$array-equal?:true:
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b8/copy-to-eax 1/imm32
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eb/jump $array-equal?:end/disp8
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$array-equal?:false:
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b8/copy-to-eax 0/imm32
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$array-equal?:end:
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# . restore registers
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5f/pop-to-edi
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5e/pop-to-esi
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5b/pop-to-ebx
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5a/pop-to-edx
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59/pop-to-ecx
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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test-compare-empty-with-empty-array:
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# var ecx : (ref array _) = []
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68/push 0/imm32/size
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# var edx : (ref array _) = []
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68/push 0/imm32/size
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89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
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# eax = array-equal?(ecx, edx)
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# . . push args
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52/push-edx
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51/push-ecx
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# . . call
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e8/call array-equal?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# check-ints-equal(eax, 1, msg)
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# . . push args
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68/push "F - test-compare-empty-with-empty-array"/imm32
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68/push 1/imm32/true
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50/push-eax
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# . . call
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e8/call check-ints-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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test-compare-empty-with-non-empty-array: # also checks length-mismatch code path
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# var ecx : (ref array int) = [1]
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68/push 1/imm32
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68/push 4/imm32/size
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# var edx : (ref array int) = []
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68/push 0/imm32/size
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89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
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# eax = array-equal?(ecx, edx)
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# . . push args
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52/push-edx
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51/push-ecx
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# . . call
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e8/call array-equal?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# check-ints-equal(eax, 0, msg)
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# . . push args
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68/push "F - test-compare-empty-with-non-empty-array"/imm32
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68/push 0/imm32/false
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50/push-eax
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# . . call
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e8/call check-ints-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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test-compare-equal-arrays:
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# var ecx : (ref array int) = [1, 2, 3]
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68/push 3/imm32
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68/push 2/imm32
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68/push 1/imm32
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68/push 0xc/imm32/size
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# var edx : (ref array int) = [1, 2, 3]
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68/push 3/imm32
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68/push 2/imm32
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68/push 1/imm32
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68/push 0xc/imm32/size
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89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
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# eax = array-equal?(ecx, edx)
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# . . push args
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52/push-edx
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51/push-ecx
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# . . call
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e8/call array-equal?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# check-ints-equal(eax, 1, msg)
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# . . push args
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68/push "F - test-compare-equal-arrays"/imm32
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68/push 1/imm32/true
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50/push-eax
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# . . call
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e8/call check-ints-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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test-compare-inequal-arrays-equal-lengths:
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# var ecx : (ref array int) = [1, 4, 3]
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68/push 3/imm32
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68/push 4/imm32
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68/push 1/imm32
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68/push 0xc/imm32/size
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# var edx : (ref array int) = [1, 2, 3]
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68/push 3/imm32
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68/push 2/imm32
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68/push 1/imm32
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68/push 0xc/imm32/size
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89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
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# eax = array-equal?(ecx, edx)
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# . . push args
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52/push-edx
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51/push-ecx
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# . . call
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e8/call array-equal?/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# check-ints-equal(eax, 0, msg)
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# . . push args
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68/push "F - test-compare-inequal-arrays-equal-lengths"/imm32
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68/push 0/imm32/false
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50/push-eax
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# . . call
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e8/call check-ints-equal/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . epilogue
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89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
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5d/pop-to-ebp
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c3/return
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parse-array-of-ints: # ad : (addr allocation-descriptor), s : (addr string) -> result/eax : (handle array int)
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# pseudocode
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# end = &s->data[s->length]
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# curr = s->data
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# size = 0
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# while true
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# if (curr >= end) break
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# curr = skip-chars-matching-in-slice(curr, end, ' ')
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# if (curr >= end) break
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# curr = skip-chars-not-matching-in-slice(curr, end, ' ')
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# ++size
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# result = allocate(ad, (size+1)*4)
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# result->size = (size+1)*4
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# var slice : (ref slice) = {s->data, 0}
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# out = result->data
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# while true
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# if (slice->start >= end) break
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# slice->start = skip-chars-matching-in-slice(slice->start, end, ' ')
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# if (slice->start >= end) break
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# slice->end = skip-chars-not-matching-in-slice(slice->start, end, ' ')
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# *out = parse-hex-int(slice)
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# out += 4
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# slice->start = slice->end
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# return result
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#
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# . prologue
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55/push-ebp
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89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
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# . save registers
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51/push-ecx
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52/push-edx
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53/push-ebx
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56/push-esi
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57/push-edi
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# esi = s
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8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi
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# var curr/ecx : (addr byte) = s->data
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8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy esi+4 to ecx
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# var end/edx : (addr byte) = &s->data[s->length]
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# . edx = s->length
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8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx
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# . edx += curr
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01/add 3/mod/direct 2/rm32/edx . . . 1/r32/ecx . . # add ecx to edx
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# var size/ebx : int = 0
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31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx
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$parse-array-of-ints:loop1:
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# if (curr >= end) break
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39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
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73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:break1/disp8
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# curr = skip-chars-matching-in-slice(curr, end, ' ')
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# . eax = skip-chars-matching-in-slice(curr, end, ' ')
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# . . push args
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68/push 0x20/imm32/space
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52/push-edx
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51/push-ecx
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# . . call
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e8/call skip-chars-matching-in-slice/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . ecx = eax
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89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
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# if (curr >= end) break
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39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
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73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:break1/disp8
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# curr = skip-chars-not-matching-in-slice(curr, end, ' ')
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# . eax = skip-chars-not-matching-in-slice(curr, end, ' ')
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# . . push args
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68/push 0x20/imm32/space
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52/push-edx
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51/push-ecx
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# . . call
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e8/call skip-chars-not-matching-in-slice/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . ecx = eax
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89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
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# size += 4
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81 0/subop/add 3/mod/direct 3/rm32/ebx . . . . . 4/imm32 # add to ebx
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eb/jump $parse-array-of-ints:loop1/disp8
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$parse-array-of-ints:break1:
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# var result/edi : (handle array int) = allocate(ad, size+4)
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# . eax = allocate(ad, size+4)
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# . . push args
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89/copy 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # copy ebx to eax
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05/add-to-eax 4/imm32
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50/push-eax
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ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
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# . . call
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e8/call allocate/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
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# . edi = eax
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89/copy 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # copy eax to edi
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# result->size = size
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89/copy 0/mod/indirect 0/rm32/eax . . . 3/r32/ebx . . # copy ebx to *eax
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$parse-array-of-ints:pass2:
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# var slice/ecx : (ref slice) = {s->data, 0}
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# . push 0
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68/push 0/imm32/end
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# . push s->data
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8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy esi+4 to ecx
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51/push-ecx
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# . bookmark
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89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
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# var out/ebx : (addr byte) = result->data
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8d/copy-address 1/mod/*+disp8 0/rm32/eax . . . 3/r32/ebx 4/disp8 . # copy eax+4 to ebx
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$parse-array-of-ints:loop2:
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# if (slice->start >= end) break
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39/compare 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # compare *ecx with edx
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73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:end/disp8
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# slice->start = skip-chars-matching-in-slice(slice->start, end, ' ')
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# . eax = skip-chars-matching-in-slice(slice->start, end, ' ')
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# . . push args
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68/push 0x20/imm32/space
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52/push-edx
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ff 6/subop/push 0/mod/indirect 1/rm32/ecx . . . . . . # push *ecx
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# . . call
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e8/call skip-chars-matching-in-slice/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . slice->start = eax
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89/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy eax to *ecx
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# if (slice->start >= end) break
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39/compare 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # compare *ecx with edx
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73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:end/disp8
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# slice->end = skip-chars-not-matching-in-slice(slice->start, end, ' ')
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# . eax = skip-chars-not-matching-in-slice(curr, end, ' ')
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# . . push args
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68/push 0x20/imm32/space
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52/push-edx
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50/push-eax
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# . . call
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e8/call skip-chars-not-matching-in-slice/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
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# . slice->end = eax
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89/copy 1/mod/direct 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy eax to *(ecx+4)
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# *out = parse-hex-int(slice)
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# . eax = parse-hex-int(slice)
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# . . push args
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51/push-ecx
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# . . call
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e8/call parse-hex-int/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
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# . *out = eax
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89/copy 0/mod/indirect 3/rm32/ebx . . . 0/r32/eax . . # copy eax to *ebx
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|
# 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
|
|
# . epilogue
|
|
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:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var ecx : (ref array int) = [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
|
|
# . epilogue
|
|
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
|
|
# . prologue
|
|
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
|
|
# . epilogue
|
|
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
|
|
# . prologue
|
|
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
|
|
# . epilogue
|
|
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:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var ecx : (ref array int) = [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
|
|
# . epilogue
|
|
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 : (addr array int), expected : (addr string), msg : (addr string)
|
|
# . 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 b/ecx : (handle array int) = 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
|
|
# . epilogue
|
|
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:
|
|
# . prologue
|
|
55/push-ebp
|
|
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
|
|
# var ecx : (ref array int) = [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
|
|
# . 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
|