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Add new abort-on-exceptions flag
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1737 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -27,6 +27,7 @@ using std::cerr;
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cl::Flag QuietMode ("quiet" , "Do not emit any non-program output");
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cl::Alias QuietModeA("q" , "Alias for -quiet", cl::NoFlags, QuietMode);
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cl::Flag ArrayChecksEnabled("array-checks", "Enable array bound checks");
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cl::Flag AbortOnExceptions("abort-on-exception", "Halt execution on a machine exception");
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// Create a TargetData structure to handle memory addressing and size/alignment
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// computations
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@ -803,7 +804,7 @@ static PointerTy getElementOffset(MemAccessInst *I, ExecutionContext &SF) {
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<< " Subscript #" << (ArgOff-I->getFirstIndexOperandNumber())
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<< "\n";
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// Get outta here!!!
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siglongjmp(SignalRecoverBuffer, -1);
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siglongjmp(SignalRecoverBuffer, SIGTRAP);
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}
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Ty = ST->getElementType();
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@ -1134,9 +1135,13 @@ bool Interpreter::executeInstruction() {
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//
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if (int SigNo = sigsetjmp(SignalRecoverBuffer, 1)) {
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--SF.CurInst; // Back up to erroring instruction
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if (SigNo != SIGINT && SigNo != -1) {
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if (SigNo != SIGINT) {
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cout << "EXCEPTION OCCURRED [" << _sys_siglistp[SigNo] << "]:\n";
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printStackTrace();
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// If -abort-on-exception was specified, terminate LLI instead of trying
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// to debug it.
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//
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if (AbortOnExceptions) exit(1);
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} else if (SigNo == SIGINT) {
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cout << "CTRL-C Detected, execution halted.\n";
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}
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