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Bad segvs actually cause a segv now
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5255 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -19,8 +19,15 @@ static void TrapHandler(int TN, siginfo_t *SI, ucontext_t *ucp) {
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#ifdef REG_EIP /* this code does not compile on Sparc! */
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if (SI->si_code != SEGV_MAPERR || SI->si_addr != 0 ||
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ucp->uc_mcontext.gregs[REG_EIP] != 0) {
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std::cerr << "Bad SEGV encountered!\n";
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abort();
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std::cerr << "Bad SEGV encountered EIP = 0x" << std::hex
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<< ucp->uc_mcontext.gregs[REG_EIP] << " addr = "
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<< SI->si_addr << "!\n";
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struct sigaction SA; // Restore old SEGV handler...
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SA.sa_handler = SIG_DFL;
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SA.sa_flags = SA_NOMASK;
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sigaction(SIGSEGV, &SA, 0);
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return; // Should core dump now...
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}
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// The call instruction should have pushed the return value onto the stack...
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