From 8adfde8a54ea40ae2cf42010468ac64be35430b6 Mon Sep 17 00:00:00 2001 From: aph Date: Mon, 18 Oct 2004 14:07:42 +0000 Subject: 2004-10-18 Andrew Haley PR java/18036: * gnu/gcj/runtime/natStackTrace.cc (fillInStackTrace): Reorganize and correct logic used to find interpreter. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89221 138bc75d-0d04-0410-961f-82ee72b054a4 --- libjava/gnu/gcj/runtime/natStackTrace.cc | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) (limited to 'libjava/gnu') diff --git a/libjava/gnu/gcj/runtime/natStackTrace.cc b/libjava/gnu/gcj/runtime/natStackTrace.cc index fbe403a17ef..d9f3355c046 100644 --- a/libjava/gnu/gcj/runtime/natStackTrace.cc +++ b/libjava/gnu/gcj/runtime/natStackTrace.cc @@ -65,7 +65,7 @@ gnu::gcj::runtime::StackTrace::fillInStackTrace (jint maxlen, jint offset) #ifdef INTERPRETER extern void *const _Jv_StartOfInterpreter; extern void * _Jv_EndOfInterpreter; - + java::lang::Thread *thread = java::lang::Thread::currentThread(); _Jv_MethodChain *interp_frame = (thread ? reinterpret_cast<_Jv_MethodChain *> (thread->interp_frame) @@ -92,20 +92,23 @@ gnu::gcj::runtime::StackTrace::fillInStackTrace (jint maxlen, jint offset) // less than _Jv_EndOfInterpreter it might be in the // interpreter: we call _Unwind_FindEnclosingFunction to // find out. - if ((_Jv_EndOfInterpreter == NULL || pc < _Jv_EndOfInterpreter) - && (_Unwind_FindEnclosingFunction (pc) - == _Jv_StartOfInterpreter)) - { - frame[n].interp = (void *) interp_frame->self; - interp_frame = interp_frame->next; - } - else + if (pc >= _Jv_StartOfInterpreter + && (pc < _Jv_EndOfInterpreter + || _Jv_EndOfInterpreter == NULL)) { - // We've found an address that we know is not within - // the interpreter. We use that to refine our upper - // bound on where the interpreter ends. - if (_Jv_EndOfInterpreter == NULL || pc < _Jv_EndOfInterpreter) - _Jv_EndOfInterpreter = pc; + if (_Unwind_FindEnclosingFunction (pc) + == _Jv_StartOfInterpreter) + { + frame[n].interp = (void *) interp_frame->self; + interp_frame = interp_frame->next; + } + else + { + // We've found an address that we know is not within + // the interpreter. We use that to refine our upper + // bound on where the interpreter ends. + _Jv_EndOfInterpreter = pc; + } } } #endif // INTERPRETER -- cgit v1.2.3