6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-03-02 07:30:52 +00:00
Code Issues Projects Releases Wiki Activity

Print stacktrace in STDERR before dying on a fatal signal. Currently

Browse Source 
the symbols are not demangled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11620 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos 2004-02-19 07:36:35 +00:00
parent 2acef2da06
commit 280f9c939d
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Support/Signals.cpp
View File

@ -17,7 +17,9 @@
#include <algorithm>
#include <cstdlib>
#include <cstdio>
#include <execinfo.h>
#include <signal.h>
#include <unistd.h>
#include "Config/config.h" // Get the signal handler return type
using namespace llvm;
@ -39,6 +41,7 @@ static const int KillSigs[] = {
};
static const int *KillSigsEnd = KillSigs + sizeof(KillSigs)/sizeof(KillSigs[0]);
static void* StackTrace[256];
// SignalHandler - The signal handler that runs...
static RETSIGTYPE SignalHandler(int Sig) {
@ -50,7 +53,10 @@ static RETSIGTYPE SignalHandler(int Sig) {
if (std::find(IntSigs, IntSigsEnd, Sig) != IntSigsEnd)
exit(1); // If this is an interrupt signal, exit the program
// Otherwise if it is a fault (like SEGV) reissue the signal to die...
// Otherwise if it is a fault (like SEGV) output the stacktrace to
// STDERR and reissue the signal to die...
int depth = backtrace(StackTrace, sizeof(StackTrace)/sizeof(StackTrace[0]));
backtrace_symbols_fd(StackTrace, depth, STDERR_FILENO);
signal(Sig, SIG_DFL);
}