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