diff options
Diffstat (limited to 'subx/051test.subx')
| -rw-r--r-- | subx/051test.subx | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/subx/051test.subx b/subx/051test.subx index ec80adee..e665793a 100644 --- a/subx/051test.subx +++ b/subx/051test.subx @@ -1,85 +1,85 @@ # Rudimentary test harness == code -# instruction effective address operand 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 +# instruction effective address operand 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 # main: (manual test if this is the last file loaded) - # check-ints-equal(34, 34) - 68/push "error in check-ints-equal"/imm32 - 68/push 34/imm32 - 68/push 34/imm32 - e8/call check-ints-equal/disp32 - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP - # syscall(exit, 0) - bb/copy-to-EBX 0/imm32 - b8/copy-to-EAX 1/imm32 - cd/syscall 0x80/imm8 + # check-ints-equal(34, 34) + 68/push "error in check-ints-equal"/imm32 + 68/push 34/imm32 + 68/push 34/imm32 + e8/call check-ints-equal/disp32 + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # syscall(exit, 0) + bb/copy-to-EBX 0/imm32 + b8/copy-to-EAX 1/imm32 + cd/syscall 0x80/imm8 # print msg to stderr if a != b, otherwise print "." check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> boolean - # prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # save registers - 51/push-ECX - 53/push-EBX - # load first 2 args into EAX and EBX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 0x8/disp8 . # copy *(EBP+8) to EAX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX - # if EAX == b/EBX - 39/compare 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # compare EAX and EBX - 75/jump-if-unequal $check-ints-equal:else/disp8 + # prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # save registers + 51/push-ECX + 53/push-EBX + # load first 2 args into EAX and EBX + 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 0x8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX + # if EAX == b/EBX + 39/compare 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # compare EAX and EBX + 75/jump-if-unequal $check-ints-equal:else/disp8 # _write(2/stderr, '.') # push args - 68/push "."/imm32 - 68/push 2/imm32/stderr + 68/push "."/imm32 + 68/push 2/imm32/stderr # call - e8/call _write/disp32 + e8/call _write/disp32 # discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # return - eb/jump $check-ints-equal:end/disp8 - # else: + eb/jump $check-ints-equal:end/disp8 + # else: $check-ints-equal:else: # _write(2/stderr, msg) # push args - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX - 51/push-ECX - 68/push 2/imm32/stderr + 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX + 51/push-ECX + 68/push 2/imm32/stderr # call - e8/call _write/disp32 + e8/call _write/disp32 # discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # _write(2/stderr, Newline) # push args - 68/push Newline/imm32 - 68/push 2/imm32/stderr + 68/push Newline/imm32 + 68/push 2/imm32/stderr # call - e8/call _write/disp32 + e8/call _write/disp32 # discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # increment Num-test-failures - ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 . . . Num-test-failures/disp32 # increment *Num-test-failures + ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 . . . Num-test-failures/disp32 # increment *Num-test-failures $check-ints-equal:end: - # restore registers - 5b/pop-to-EBX - 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 + # restore registers + 5b/pop-to-EBX + 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 == data Newline: - # size - 01 00 00 00 - # data - 0a/newline + # size + 01 00 00 00 + # data + 0a/newline Num-test-failures: - 00 00 00 00 + 00 00 00 00 # vim:nowrap:textwidth=0 |