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Bug 730144 - Label objects with their mark colors when dumping the heap

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--HG--
extra : rebase_source : 8bb1243f66610bde734a4f9063446a1b02bc0b68
This commit is contained in:
Steve Fink 2012-02-23 18:47:59 -08:00
parent 10453f7f06
commit 440b7e4be9
1 changed files with 13 additions and 3 deletions
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16
js/src/jsfriendapi.cpp
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@ -485,6 +485,16 @@ struct JSDumpHeapTracer : public JSTracer {
static void
DumpHeapVisitChild(JSTracer *trc, void **thingp, JSGCTraceKind kind);
static char
MarkDescriptor(void *thing)
{
gc::Cell *cell = static_cast<gc::Cell*>(thing);
if (cell->isMarked(gc::BLACK))
return cell->isMarked(gc::GRAY) ? 'G' : 'B';
else
return cell->isMarked(gc::GRAY) ? 'X' : 'W';
}
static void
DumpHeapPushIfNew(JSTracer *trc, void **thingp, JSGCTraceKind kind)
{
@ -498,7 +508,7 @@ DumpHeapPushIfNew(JSTracer *trc, void **thingp, JSGCTraceKind kind)
* already seen thing, for complete root information.
*/
if (dtrc->rootTracing) {
fprintf(dtrc->output, "%p %s\n", thing,
fprintf(dtrc->output, "%p %c %s\n", thing, MarkDescriptor(thing),
JS_GetTraceEdgeName(dtrc, dtrc->buffer, sizeof(dtrc->buffer)));
}
@ -515,7 +525,7 @@ DumpHeapVisitChild(JSTracer *trc, void **thingp, JSGCTraceKind kind)
JS_ASSERT(trc->callback == DumpHeapVisitChild);
JSDumpHeapTracer *dtrc = static_cast<JSDumpHeapTracer *>(trc);
const char *edgeName = JS_GetTraceEdgeName(dtrc, dtrc->buffer, sizeof(dtrc->buffer));
fprintf(dtrc->output, "> %p %s\n", *thingp, edgeName);
fprintf(dtrc->output, "> %p %c %s\n", *thingp, MarkDescriptor(*thingp), edgeName);
DumpHeapPushIfNew(dtrc, thingp, kind);
}
@ -540,7 +550,7 @@ js::DumpHeapComplete(JSContext *cx, FILE *fp)
DumpingChildInfo dci = dtrc.nodes.popCopy();
JS_PrintTraceThingInfo(dtrc.buffer, sizeof(dtrc.buffer),
&dtrc, dci.node, dci.kind, JS_TRUE);
fprintf(fp, "%p %s\n", dci.node, dtrc.buffer);
fprintf(fp, "%p %c %s\n", dci.node, MarkDescriptor(dci.node), dtrc.buffer);
JS_TraceChildren(&dtrc, dci.node, dci.kind);
}