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Bug 556315 part 1 - Remove GCReachableFrame. r=gal.

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--HG--
extra : rebase_source : 1db26956cf3f73f1213ab222f4c3ee12637265c5
This commit is contained in:
Jason Orendorff 2010-03-31 17:17:20 -05:00
parent 570eb3ecf8
commit 33d9cdc537
3 changed files with 1 additions and 47 deletions
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22
js/src/jscntxt.h
View File

@ -1160,15 +1160,6 @@ typedef struct JSResolvingEntry {
extern const JSDebugHooks js_NullDebugHooks; /* defined in jsdbgapi.cpp */
/*
* Wraps a stack frame which has been temporarily popped from its call stack
* and needs to be GC-reachable. See JSContext::{push,pop}GCReachableFrame.
*/
struct JSGCReachableFrame {
JSGCReachableFrame *next;
JSStackFrame *frame;
};
namespace js {
class AutoGCRooter;
}
@ -1291,19 +1282,6 @@ struct JSContext
void *data;
void *data2;
/* Linked list of frames temporarily popped from their chain. */
JSGCReachableFrame *reachableFrames;
void pushGCReachableFrame(JSGCReachableFrame &gcrf, JSStackFrame *f) {
gcrf.next = reachableFrames;
gcrf.frame = f;
reachableFrames = &gcrf;
}
void popGCReachableFrame() {
reachableFrames = reachableFrames->next;
}
private:
#ifdef __GNUC__
# pragma GCC visibility push(default)

22
js/src/jsdbgapi.cpp
View File

@ -1227,29 +1227,9 @@ JS_GetFrameCallObject(JSContext *cx, JSStackFrame *fp)
JS_PUBLIC_API(JSObject *)
JS_GetFrameThis(JSContext *cx, JSStackFrame *fp)
{
if (fp->flags & JSFRAME_COMPUTED_THIS)
return JSVAL_TO_OBJECT(fp->thisv); /* JSVAL_COMPUTED_THIS invariant */
/* js_ComputeThis gets confused if fp != cx->fp, so set it aside. */
JSStackFrame *afp = js_GetTopStackFrame(cx);
JSGCReachableFrame reachable;
if (afp != fp) {
if (afp) {
cx->fp = fp;
cx->pushGCReachableFrame(reachable, afp);
}
} else {
afp = NULL;
}
if (fp->argv)
if (!(fp->flags & JSFRAME_COMPUTED_THIS) && fp->argv)
fp->thisv = OBJECT_TO_JSVAL(js_ComputeThis(cx, fp->argv));
if (afp) {
cx->fp = afp;
cx->popGCReachableFrame();
}
return JSVAL_TO_OBJECT(fp->thisv);
}

4
js/src/jsgc.cpp
View File

@ -2412,10 +2412,6 @@ js_TraceContext(JSTracer *trc, JSContext *acx)
}
}
/* Trace frames that have been temporarily removed but need to be marked. */
for (JSGCReachableFrame *rf = acx->reachableFrames; rf; rf = rf->next)
TraceFrameChain(trc, rf->frame);
/* Mark other roots-by-definition in acx. */
if (acx->globalObject && !JS_HAS_OPTION(acx, JSOPTION_UNROOTED_GLOBAL))
JS_CALL_OBJECT_TRACER(trc, acx->globalObject, "global object");