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Bad segvs actually cause a segv now

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5255 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-01-13 01:00:02 +00:00
parent b111874b38
commit 61253a9c93
1 changed files with 9 additions and 2 deletions
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11
lib/ExecutionEngine/JIT/Callback.cpp
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@ -19,8 +19,15 @@ static void TrapHandler(int TN, siginfo_t *SI, ucontext_t *ucp) {
#ifdef REG_EIP /* this code does not compile on Sparc! */
if (SI->si_code != SEGV_MAPERR || SI->si_addr != 0 ||
ucp->uc_mcontext.gregs[REG_EIP] != 0) {
std::cerr << "Bad SEGV encountered!\n";
abort();
std::cerr << "Bad SEGV encountered EIP = 0x" << std::hex
<< ucp->uc_mcontext.gregs[REG_EIP] << " addr = "
<< SI->si_addr << "!\n";
struct sigaction SA; // Restore old SEGV handler...
SA.sa_handler = SIG_DFL;
SA.sa_flags = SA_NOMASK;
sigaction(SIGSEGV, &SA, 0);
return; // Should core dump now...
}
// The call instruction should have pushed the return value onto the stack...