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119 lines
3.0 KiB
119 lines
3.0 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 ADDRINT toolLowAddr = 0;
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static ADDRINT toolHighAddr = 0;
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static void reportError(ADDRINT addr)
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{
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fprintf (stderr, "BAD Fetch from 0x%08x\n", addr);
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for (IMG img= APP_ImgHead(); IMG_Valid(img); img = IMG_Next(img))
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{
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fprintf (stderr, "%-30s: 0x%08x:0x%08x\n", IMG_Name(img).c_str(),
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IMG_LowAddress(img),IMG_HighAddress(img));
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}
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exit (-1);
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}
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static BOOL addrInTool(ADDRINT addr)
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{
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return (toolLowAddr <= addr) && (addr <= toolHighAddr);
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}
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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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if (bytesRead && addrInTool (addr))
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{
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reportError (addr);
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}
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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 imageLoad(IMG img, VOID *v)
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{
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// Just instrument the main image.
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if (!IMG_IsMainExecutable(img))
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return;
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for (SEC sec=IMG_SecHead(img); SEC_Valid(sec); sec=SEC_Next(sec))
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{
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for (RTN rtn=SEC_RtnHead(sec); RTN_Valid(rtn); rtn=RTN_Next(rtn))
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{
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RTN_Open(rtn);
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for (INS ins=RTN_InsHead(rtn); INS_Valid(ins); ins=INS_Next(ins))
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{
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INS_InsertCall(ins, IPOINT_BEFORE,
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(AFUNPTR)incCount, IARG_END);
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}
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RTN_Close(rtn);
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}
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}
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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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// 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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toolLowAddr = ADDRINT(&reportError);
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toolHighAddr= ADDRINT(&main);
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fprintf (stderr, "toolLowAddr is 0x%08x\n", toolLowAddr);
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fprintf (stderr, "toolHighAddr is 0x%08x\n", toolHighAddr);
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PIN_InitSymbols();
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// Initialize pin
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PIN_Init(argc, argv);
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IMG_AddInstrumentFunction (imageLoad, 0);
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PIN_AddFetchFunction (fetchIns, 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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