diff options
Diffstat (limited to '113write-stream.subx')
| -rw-r--r-- | 113write-stream.subx | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/113write-stream.subx b/113write-stream.subx index 7dd93fba..4478179b 100644 --- a/113write-stream.subx +++ b/113write-stream.subx @@ -158,6 +158,53 @@ test-write-stream-appends: # . end c3/return +# like write-stream, but don't update s->read +# is there a better name for this? +write-stream-immutable: # f: (addr stream byte), s: (addr stream byte) + # . prologue + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp + # . save registers + 50/push-eax + 56/push-esi + 57/push-edi + # edi = f + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . 7/r32/edi 8/disp8 . # copy *(ebp+8) to edi + # esi = s + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi + # eax = _append-4(&f->data[f->write], &f->data[f->size], &s->data[s->read], &s->data[s->write]) + # . . push &s->data[s->write] + 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy esi+eax+12 to eax + 50/push-eax + # . . push &s->data[s->read] + 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 4/disp8 . # copy *(esi+4) to eax + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy esi+eax+12 to eax + 50/push-eax + # . . push &f->data[f->size] + 8b/copy 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 8/disp8 . # copy *(edi+8) to eax + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy edi+eax+12 to eax + 50/push-eax + # . . push &f->data[f->write] + 8b/copy 0/mod/indirect 7/rm32/edi . . . 0/r32/eax . . # copy *edi to eax + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy edi+eax+12 to eax + 50/push-eax + # . . call + e8/call _append-4/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp + # f->write += eax + 01/add 0/mod/indirect 7/rm32/edi . . . 0/r32/eax . . # add eax to *edi +$write-stream-immutable:end: + # . restore registers + 5f/pop-to-edi + 5e/pop-to-esi + 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 + == data _test-stream2: # (stream byte) |