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avoid uninitialized value warnings from valgrind when DebugFrameMaps is true

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This commit is contained in:
Joel Dice 2008-11-25 16:01:30 -07:00
parent 58a9718d82
commit fdb9c05ac6
1 changed files with 16 additions and 12 deletions
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28
src/compile.cpp
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@ -37,6 +37,8 @@ const bool CheckArrayBounds = true;
const unsigned MaxNativeCallFootprint = 4;
const unsigned InitialZoneCapacityInBytes = 64 * 1024;
class MyThread: public Thread {
public:
class CallTrace {
@ -530,7 +532,7 @@ class Context {
Context(MyThread* t, object method):
thread(t),
zone(t->m->system, t->m->heap, 64 * 1024),
zone(t->m->system, t->m->heap, InitialZoneCapacityInBytes),
assembler(makeAssembler(t->m->system, t->m->heap, &zone, t->arch)),
client(t),
compiler(makeCompiler(t->m->system, assembler, &zone, &client)),
@ -546,7 +548,7 @@ class Context {
Context(MyThread* t):
thread(t),
zone(t->m->system, t->m->heap, LikelyPageSizeInBytes),
zone(t->m->system, t->m->heap, InitialZoneCapacityInBytes),
assembler(makeAssembler(t->m->system, t->m->heap, &zone, t->arch)),
client(t),
compiler(0),
@ -3655,13 +3657,15 @@ translateLineNumberTable(MyThread* t, Compiler* c, object code, intptr_t start)
}
void
printSet(uintptr_t m)
printSet(uintptr_t m, unsigned limit)
{
for (unsigned i = 0; i < 16; ++i) {
if ((m >> i) & 1) {
fprintf(stderr, "1");
} else {
fprintf(stderr, "_");
if (limit) {
for (unsigned i = 0; i < 16; ++i) {
if ((m >> i) & 1) {
fprintf(stderr, "1");
} else {
fprintf(stderr, "_");
}
}
}
}
@ -3714,7 +3718,7 @@ calculateFrameMaps(MyThread* t, Context* context, uintptr_t* originalRoots,
if (DebugFrameMaps) {
fprintf(stderr, " roots at ip %3d: ", ip);
printSet(*roots);
printSet(*roots, mapSize);
fprintf(stderr, "\n");
}
@ -3741,7 +3745,7 @@ calculateFrameMaps(MyThread* t, Context* context, uintptr_t* originalRoots,
if (DebugFrameMaps) {
fprintf(stderr, "table roots at ip %3d: ", ip);
printSet(*tableRoots);
printSet(*tableRoots, mapSize);
fprintf(stderr, "\n");
}
} else {
@ -3775,7 +3779,7 @@ calculateFrameMaps(MyThread* t, Context* context, uintptr_t* originalRoots,
TraceElement* te; context->eventLog.get(eventIndex, &te, BytesPerWord);
if (DebugFrameMaps) {
fprintf(stderr, "trace roots at ip %3d: ", ip);
printSet(*roots);
printSet(*roots, mapSize);
fprintf(stderr, "\n");
}
memcpy(te->map, roots, mapSize * BytesPerWord);
@ -3935,7 +3939,7 @@ finish(MyThread* t, Context* context)
if (DebugFrameMaps) {
fprintf(stderr, " orig roots at ip %p: ", reinterpret_cast<void*>
(p->address->value()));
printSet(p->map[0]);
printSet(p->map[0], frameMapSizeInWords(t, context->method));
fprintf(stderr, "\n");
fprintf(stderr, "final roots at ip %p: ", reinterpret_cast<void*>