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88 lines
2.3 KiB
88 lines
2.3 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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* Check that if we register an instruction fetcher it is not used to fetch from
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* the tool itself.
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*/
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#include <iostream>
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#include <cstdio>
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#include <cstdlib>
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#include "pin.H"
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using std::cerr;
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using std::endl;
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static UINT64 insCount = 0;
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static size_t fetchIns(void *buf, ADDRINT addr, size_t size, EXCEPTION_INFO *pExceptInfo, VOID *)
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{
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/* Validate that the fetch is in the range we expect and abort if not.
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*/
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size_t bytesRead = PIN_SafeCopyEx (static_cast<UINT8*>(buf),
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reinterpret_cast<UINT8*>(addr), size, pExceptInfo);
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return bytesRead;
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}
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// This is small enough to be inlined, which stresses the code fetcher from the tool
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// slightly more.
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static VOID incCount()
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{
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insCount++;
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}
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static VOID fini(INT32, VOID *)
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{
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cerr << insCount << " instructions in the main image executed" << endl;
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}
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static VOID Trace(TRACE trace, VOID *arg)
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{
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UINT8 bytes[16];
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size_t len = 0;
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for (BBL bbl = TRACE_BblHead(trace); BBL_Valid(bbl); bbl = BBL_Next(bbl))
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{
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for (INS ins = BBL_InsHead(bbl); INS_Valid(ins); ins = INS_Next(ins))
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{
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INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)(incCount), IARG_END);
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len = PIN_FetchCode(bytes, (VOID*)INS_Address(ins), INS_Size(ins), 0);
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if (len != INS_Size(ins))
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{
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fprintf(stderr, "Error in fetcher callback call\n");
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exit(1);
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}
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}
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}
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}
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// argc, argv are the entire command line, including pin -t <toolname> -- ...
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int main(int argc, char * argv[])
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{
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PIN_InitSymbols();
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// Initialize pin
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PIN_Init(argc, argv);
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PIN_AddFetchFunction (fetchIns, 0);
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TRACE_AddInstrumentFunction(Trace, 0);
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// Register Fini to be called when the application exits
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PIN_AddFiniFunction(fini, 0);
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// Start the program, never returns
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PIN_StartProgram();
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return 0;
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}
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