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Daniel wanted the stack printed upside down. Perhaps he

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feels a kinship to machine stacks that grow down.  Now we get
stuff like this:

Stack dump:
0.	Program arguments: clang clang_crash_Iw2Osj.mi 
1.	/Developer/SDKs/MacOSX10.5.sdk/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/xmmintrin.h:624:1: parsing function body '_mm_cvtpi16_ps'
2.	/Developer/SDKs/MacOSX10.5.sdk/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/xmmintrin.h:624:1: in compound statement ('{}')
Abort

llvm-svn: 66145
This commit is contained in:
Chris Lattner 2009-03-05 07:03:49 +00:00
parent 982c3491ff
commit c4f40d1f53
1 changed files with 14 additions and 6 deletions
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20
lib/Support/PrettyStackTrace.cpp
View File

@ -20,19 +20,27 @@ using namespace llvm;
// FIXME: This should be thread local when llvm supports threads.
static const PrettyStackTraceEntry *PrettyStackTraceHead = 0;
static unsigned PrintStack(const PrettyStackTraceEntry *Entry, raw_ostream &OS){
unsigned NextID = 0;
if (Entry->getNextEntry())
NextID = PrintStack(Entry->getNextEntry(), OS);
OS << NextID << ".\t";
Entry->print(OS);
return NextID+1;
}
/// CrashHandler - This callback is run if a fatal signal is delivered to the
/// process, it prints the pretty stack trace.
static void CrashHandler(void *Cookie) {
// Don't print an empty trace.
if (PrettyStackTraceHead == 0) return;
// If there are pretty stack frames registered, walk and emit them.
raw_ostream &OS = errs();
OS << "Stack dump:\n";
unsigned i = 0;
for (const PrettyStackTraceEntry *Entry = PrettyStackTraceHead; Entry;
Entry = Entry->getNextEntry(), ++i) {
OS << i << ".\t";
Entry->print(OS);
}
PrintStack(PrettyStackTraceHead, OS);
OS.flush();
}