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128 lines
3.2 KiB
128 lines
3.2 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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/*
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* This tool prints a log message whenever a signal is recieved or whenever
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* a context-change happens.
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*/
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#include <fstream>
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#include <sstream>
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#include "pin.H"
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#include <signal.h>
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using std::string;
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static void OnSig(THREADID, CONTEXT_CHANGE_REASON, const CONTEXT *, CONTEXT *, INT32, VOID *);
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static BOOL InterceptSig(THREADID, INT32, CONTEXT *, BOOL, const EXCEPTION_INFO *, VOID *);
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static void OnEnd(INT32, VOID *);
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static std::string SignalName(INT32);
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KNOB<string> KnobOutputFile(KNOB_MODE_WRITEONCE, "pintool", "o", "reporter.out", "output file");
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std::ofstream Out;
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int main(int argc, char * argv[])
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{
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PIN_Init(argc, argv);
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Out.open(KnobOutputFile.Value().c_str());
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for (INT32 sig = 1; sig < 32; sig++)
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{
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if (sig != SIGKILL && sig != SIGSTOP && sig != SIGCONT && sig != SIGTSTP)
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PIN_InterceptSignal(sig, InterceptSig, 0);
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}
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PIN_AddContextChangeFunction(OnSig, 0);
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PIN_AddFiniFunction(OnEnd, 0);
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PIN_StartProgram();
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return 0;
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}
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static void OnSig(THREADID, CONTEXT_CHANGE_REASON reason, const CONTEXT *, CONTEXT *, INT32 sig, VOID *)
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{
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switch (reason)
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{
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case CONTEXT_CHANGE_REASON_SIGNAL:
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Out << "Got signal " << SignalName(sig) << "\n";
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break;
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case CONTEXT_CHANGE_REASON_FATALSIGNAL:
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Out << "Got fatal signal " << SignalName(sig) << "\n";
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break;
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case CONTEXT_CHANGE_REASON_SIGRETURN:
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Out << "Returning from signal handler\n";
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break;
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default:
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Out << "Unexpected CONTEXT_CHANGE_REASON " << reason << ", exiting the test." << std::endl;
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PIN_ExitProcess(1);
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break;
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}
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}
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static BOOL InterceptSig(THREADID, INT32 sig, CONTEXT *, BOOL hasHandler, const EXCEPTION_INFO *pExceptInfo, VOID *)
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{
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Out << "Intercepting signal " << SignalName(sig);
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if (pExceptInfo)
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Out << ", which is an exception";
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if (hasHandler)
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Out << ", application handles";
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Out << "\n";
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return TRUE;
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}
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static void OnEnd(INT32 code, VOID *v)
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{
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Out << "Program exited\n";
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Out.close();
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}
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static std::string SignalName(INT32 sig)
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{
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switch (sig)
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{
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case SIGHUP:
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return "SIGHUP";
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case SIGINT:
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return "SIGINT";
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case SIGILL:
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return "SIGILL";
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case SIGTRAP:
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return "SIGTRAP";
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case SIGABRT:
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return "SIGABRT";
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case SIGFPE:
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return "SIGFPE";
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case SIGKILL:
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return "SIGKILL";
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case SIGUSR1:
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return "SIGUSR1";
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case SIGUSR2:
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return "SIGUSR2";
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case SIGSEGV:
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return "SIGSEGV";
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case SIGALRM:
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return "SIGALRM";
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case SIGTERM:
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return "SIGTERM";
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default:
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{
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std::ostringstream str;
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str << "<signal " << std::dec << sig << ">";
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return str.str();
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}
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}
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}
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