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stacktrace.cc (UnwindTraceFn): Use UNWRAP_FUNCTION_DESCRIPTOR to compare _Jv_InterpMethod::run against current...

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* stacktrace.cc (UnwindTraceFn): Use UNWRAP_FUNCTION_DESCRIPTOR
	to compare _Jv_InterpMethod::run against current func.

From-SVN: r107746
This commit is contained in:
Alan Modra 2005-11-30 23:58:16 +00:00 • committed by Alan Modra
parent 16ab8e74da
commit 9cc20fa152
2 changed files with 11 additions and 5 deletions
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5
libjava/ChangeLog
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@ -1,3 +1,8 @@
2005-12-01 Alan Modra <amodra@bigpond.net.au>
* stacktrace.cc (UnwindTraceFn): Use UNWRAP_FUNCTION_DESCRIPTOR
to compare _Jv_InterpMethod::run against current func.
2005-11-30 Andrew Haley <aph@redhat.com>
* classpath/lib/Makefile.am (resources): Use `cp -p'.

11
libjava/stacktrace.cc
View file

@ -108,16 +108,17 @@ _Jv_StackTrace::UnwindTraceFn (struct _Unwind_Context *context, void *state_ptr)
state->frames = (_Jv_StackFrame *) newFrames;
state->length = newLength;
}
_Unwind_Ptr func_addr = _Unwind_GetRegionStart (context);
void *func_addr = (void *) _Unwind_GetRegionStart (context);
// If we see the interpreter's main function, "pop" an entry off the
// interpreter stack and use that instead, so that the trace goes through
// the java code and not the interpreter itself. This assumes a 1:1
// correspondance between call frames in the interpreted stack and occurances
// of _Jv_InterpMethod::run() on the native stack.
#ifdef INTERPRETER
if ((void (*)(void)) func_addr == (void (*)(void)) &_Jv_InterpMethod::run)
void *interp_run = (void *) &_Jv_InterpMethod::run;
if (func_addr == UNWRAP_FUNCTION_DESCRIPTOR (interp_run))
{
state->frames[pos].type = frame_interpreter;
state->frames[pos].interp.meth = state->interp_frame->self;
@ -129,7 +130,7 @@ _Jv_StackTrace::UnwindTraceFn (struct _Unwind_Context *context, void *state_ptr)
{
state->frames[pos].type = frame_native;
state->frames[pos].ip = (void *) _Unwind_GetIP (context);
state->frames[pos].start_ip = (void *) func_addr;
state->frames[pos].start_ip = func_addr;
}
//printf ("unwind ip: %p\n", _Unwind_GetIP (context));