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| author | Kartik Agaram <vc@akkartik.com> | 2020-06-10 23:09:30 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-06-10 23:09:30 -0700 |
| commit | 7dac9ade153d736b7a183d073d83b7a17b22b4cc (patch) | |
| tree | f19ba4be87306ae53caa0ba8c61e5202899cee48 /053new-segment.subx | |
| parent | 72d893b6b1c0dcaea5c4a38dd6fd83fd0569dd79 (diff) | |
| download | mu-7dac9ade153d736b7a183d073d83b7a17b22b4cc.tar.gz | |
6507 - use syscall names everywhere
Diffstat (limited to '053new-segment.subx')
| -rw-r--r-- | 053new-segment.subx | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/053new-segment.subx b/053new-segment.subx index a400eeed..4c249abe 100644 --- a/053new-segment.subx +++ b/053new-segment.subx @@ -35,8 +35,7 @@ Entry: # manual test c7 0/subop/copy 0/mod/direct 0/rm32/eax . . . . . 0x34/imm32 # copy to *eax # syscall(exit, eax) 89/copy 3/mod/direct 3/rm32/ebx . . . 0/r32/eax . . # copy eax to ebx - b8/copy-to-eax 1/imm32/exit - cd/syscall 0x80/imm8 + e8/call syscall_exit/disp32 new-segment: # len: int, ad: (addr allocation-descriptor) # . prologue @@ -50,8 +49,7 @@ new-segment: # len: int, ad: (addr allocation-descriptor) 89/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/eax $_mmap-new-segment:len/disp32 # copy eax to *$_mmap-new-segment:len # mmap(_mmap-new-segment) bb/copy-to-ebx _mmap-new-segment/imm32 - b8/copy-to-eax 0x5a/imm32/mmap - cd/syscall 0x80/imm8 + e8/call syscall_mmap/disp32 # copy {eax, eax+len} to *ad # . ebx = ad 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 3/r32/ebx 0xc/disp8 . # copy *(ebp+12) to ebx |