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97 lines
2.8 KiB
97 lines
2.8 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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#include <stdio.h>
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#include "pin.H"
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ADDRINT origRtnAddress;
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ADDRINT origRtnEndAddress;
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ADDRINT substituteRtnAddress;
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ADDRINT substituteRtnEndAddress;
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int firstLoad = 1;
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VOID ImageLoad(IMG img, VOID *v)
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{
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RTN origRtn = RTN_FindByName(img, "_SetXto1");
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RTN substituteRtn = RTN_Invalid();
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if (RTN_Valid(origRtn))
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{
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substituteRtn = RTN_FindByName(img, "_SetXto2");
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}
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else
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{
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origRtn = RTN_FindByName(img, "SetXto1");
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if (RTN_Valid(origRtn))
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{
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substituteRtn = RTN_FindByName(img, "SetXto2");
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}
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}
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if (substituteRtn != RTN_Invalid())
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{
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origRtnAddress = RTN_Address(origRtn);
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origRtnEndAddress = origRtnAddress + RTN_Size(origRtn);
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substituteRtnAddress = RTN_Address(substituteRtn);
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substituteRtnEndAddress = substituteRtnAddress + RTN_Size(substituteRtn);
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}
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}
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// This function is called when the application exits
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VOID Fini(INT32 code, VOID *v)
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{
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}
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size_t ToolFetchFunction(void *buf, ADDRINT addr, size_t size, EXCEPTION_INFO *pExceptInfo, VOID *v)
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{
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if (reinterpret_cast<ADDRINT>(v) != 0x11abcdef)
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{
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printf ("Got Bad Callback value\n");
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}
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ADDRINT addrToFetchFrom = addr;
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if ((addr >= origRtnAddress)
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&& (addr <= (origRtnEndAddress)))
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{ // substitute with fetch from appropriate address in substituteRtn
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addrToFetchFrom = substituteRtnAddress + (addr - origRtnAddress);
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// printf ("ToolFetchFunction addr %x addrToFetchFrom %x \n",
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// addr, addrToFetchFrom);
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}
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size_t copied = PIN_SafeCopyEx (static_cast<UINT8*>(buf),
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reinterpret_cast<UINT8*>(addrToFetchFrom), size, pExceptInfo);
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// printf ("ToolFetchFunction buf %p addr %x addrToFetchFrom %x size %d copied %d\n",
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// buf, addr, addrToFetchFrom, size, copied);
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return (copied);
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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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IMG_AddInstrumentFunction(ImageLoad, 0);
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PIN_AddFetchFunction(ToolFetchFunction, reinterpret_cast<VOID *>(0x11abcdef));
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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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