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| author | Kartik Agaram <vc@akkartik.com> | 2019-05-25 00:39:16 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-05-25 00:42:55 -0700 |
| commit | 0b2d2d97284c41ad095e9dbbe6657b857af1c7b9 (patch) | |
| tree | e4ac6975eaa864e9ceec17352179b9a04fdbc937 /subx/054string-equal.subx | |
| parent | 7c06e10d9dc30c581d69fe0e935caf865beea13a (diff) | |
| download | mu-0b2d2d97284c41ad095e9dbbe6657b857af1c7b9.tar.gz | |
new primitive for tests: check-string-equal
Diffstat (limited to 'subx/054string-equal.subx')
| -rw-r--r-- | subx/054string-equal.subx | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/subx/054string-equal.subx b/subx/054string-equal.subx index 6c23fccb..caeb0ea0 100644 --- a/subx/054string-equal.subx +++ b/subx/054string-equal.subx @@ -179,4 +179,57 @@ test-compare-inequal-strings-equal-lengths: 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP c3/return +# helper for later tests +check-string-equal: # s : (address string), 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 + # EAX = string-equal?(s, expected) + # . . push args + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + # . . call + e8/call string-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-string-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 the helper +test-check-string-equal: + # check-string-equal?("Abc", "Abc") + # . . push args + 68/push "Abc"/imm32 + 68/push "Abc"/imm32 + # . . call + e8/call check-string-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-check-string-equal"/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 + c3/return + # . . vim:nowrap:textwidth=0 |