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fix frame offset calculation for args, I think also non-entry frames

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This commit is contained in:
shaver@mozilla.org 2008-07-01 08:11:49 -04:00
parent 50d599cb99
commit da72d620b9
1 changed files with 3 additions and 3 deletions
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6
js/src/jstracer.cpp
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@ -268,16 +268,16 @@ TraceRecorder::nativeFrameOffset(void* p) const
JSStackFrame* fp = findFrame(p);
JS_ASSERT(fp != NULL); // must be on the frame somewhere
unsigned offset = 0;
if (fp != entryFrame)
offset += nativeFrameSlots(fp->down);
if (p >= &fp->argv[0] && p < &fp->argv[fp->argc])
offset = unsigned((jsval*)p - &fp->argv[0]);
if (p >= &fp->vars[0] && p < &fp->vars[fp->nvars])
else if (p >= &fp->vars[0] && p < &fp->vars[fp->nvars])
offset = (fp->argc + unsigned((jsval*)p - &fp->vars[0]));
else {
JS_ASSERT((p >= &fp->spbase[0] && p < &fp->spbase[fp->script->depth]));
offset = (fp->argc + fp->nvars + unsigned((jsval*)p - &fp->spbase[0]));
}
if (fp != entryFrame)
offset += nativeFrameSlots(fp->down);
return offset * sizeof(double);
}