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This commit is contained in:
Kartik Agaram 2018-11-20 19:49:07 -08:00
parent e59a91b73d
commit 1bd60d9f31
1 changed files with 4 additions and 4 deletions
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subx/058read.subx
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@ -75,11 +75,11 @@ $read:fake:
56/push-ESI
57/push-EDI
# ESI = f
8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI
8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI
# EDI = s
8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to ESI
8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to ESI
# EAX = _append-4(out = &s->data[s->write], outend = &s->data[s->length],
# in = &f->data[f->read], inend = &f->data[f->write])
# in = &f->data[f->read], inend = &f->data[f->write])
# push &f->data[f->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
@ -115,7 +115,7 @@ $read:end:
## helpers
# idea: we could create a clear-if-empty method that clears only if f.read == f.write
# idea: a clear-if-empty method on streams that clears only if f.read == f.write
# Unclear how I'd use it, though. Callers seem to need the check anyway.
# Maybe a better helper would be 'empty-stream?'