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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
vmPrintTrace(vm::Thread* t);
JNIEXPORT void
vmfPrintTrace(vm::Thread* t, FILE* out);
namespace vm {
void

25
src/machine.cpp
View File

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