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add vmfPrintTrace method for dumping traces to a specific stream

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This commit is contained in:
Joel Dice 2013-04-09 17:45:19 -06:00
parent 83670d1df7
commit dca75df926
2 changed files with 19 additions and 9 deletions
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3
src/avian/machine.h
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@ -2699,6 +2699,9 @@ popResources(Thread* t);
JNIEXPORT void JNIEXPORT void
vmPrintTrace(vm::Thread* t); vmPrintTrace(vm::Thread* t);
JNIEXPORT void
vmfPrintTrace(vm::Thread* t, FILE* out);
namespace vm { namespace vm {
void void

25
src/machine.cpp
View File

@ -5171,11 +5171,11 @@ noop()
// for debugging // for debugging
JNIEXPORT void JNIEXPORT void
vmPrintTrace(Thread* t) vmfPrintTrace(Thread* t, FILE* out)
{ {
class Visitor: public Processor::StackVisitor { class Visitor: public Processor::StackVisitor {
public: public:
Visitor(Thread* t): t(t) { } Visitor(Thread* t, FILE* out): t(t), out(out) { }
virtual bool visit(Processor::StackWalker* walker) { virtual bool visit(Processor::StackWalker* walker) {
const int8_t* class_ = &byteArrayBody const int8_t* class_ = &byteArrayBody
@ -5185,30 +5185,37 @@ vmPrintTrace(Thread* t)
int line = t->m->processor->lineNumber int line = t->m->processor->lineNumber
(t, walker->method(), walker->ip()); (t, walker->method(), walker->ip());
fprintf(stderr, " at %s.%s ", class_, method); fprintf(out, " at %s.%s ", class_, method);
switch (line) { switch (line) {
case NativeLine: case NativeLine:
fprintf(stderr, "(native)\n"); fprintf(out, "(native)\n");
break; break;
case UnknownLine: case UnknownLine:
fprintf(stderr, "(unknown line)\n"); fprintf(out, "(unknown line)\n");
break; break;
default: default:
fprintf(stderr, "(line %d)\n", line); fprintf(out, "(line %d)\n", line);
} }
return true; return true;
} }
Thread* t; Thread* t;
} v(t); FILE* out;
} v(t, out);
fprintf(stderr, "debug trace for thread %p\n", t); fprintf(out, "debug trace for thread %p\n", t);
t->m->processor->walkStack(t, &v); t->m->processor->walkStack(t, &v);
fflush(stderr); fflush(out);
}
JNIEXPORT void
vmPrintTrace(Thread* t)
{
vmfPrintTrace(t, stderr);
} }
// also for debugging // also for debugging