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98 lines
2.8 KiB
98 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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/*! @file
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Replace an original function with a custom function defined in the tool. The
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new function can have either the same or different signature from that of its
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original function.
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*/
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/* ===================================================================== */
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#include "pin.H"
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#include <iostream>
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namespace WIND
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{
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#include <windows.h>
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}
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using std::string;
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using std::endl;
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using std::cout;
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using std::hex;
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using std::dec;
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using std::flush;
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typedef VOID * (*FUNCPTR_MALLOC)(size_t);
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/* ===================================================================== */
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VOID * Probe_Malloc_IA32( FUNCPTR_MALLOC orgFuncptr, size_t arg0,
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ADDRINT returnIp,
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ADDRINT esp, ADDRINT ebp )
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{
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cout << "Probe_Malloc_IA32 (" << hex << (ADDRINT) orgFuncptr << ", "
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<< hex << arg0 << ", "
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<< hex << returnIp << ","
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<< hex << esp << ", "
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<< hex << ebp << ")"
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<< endl << flush;
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ASSERTX(esp <= 0xffffffff);
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VOID * v = orgFuncptr(arg0);
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return v;
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}
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/* ===================================================================== */
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VOID ImageLoad(IMG img, VOID *v)
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{
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const char * name = "malloc";
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RTN rtn = RTN_FindByName(img, name);
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if (RTN_Valid(rtn) && RTN_IsSafeForProbedReplacement(rtn))
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{
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PROTO proto_funcptr = PROTO_Allocate(PIN_PARG(WIND::LPVOID),
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CALLINGSTD_DEFAULT, name,
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PIN_PARG(size_t),
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PIN_PARG_END() );
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cout << "Replacing " << name << " in " << IMG_Name(img) << endl;
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RTN_ReplaceSignatureProbed(
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rtn, AFUNPTR(Probe_Malloc_IA32),
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IARG_PROTOTYPE, proto_funcptr,
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IARG_ORIG_FUNCPTR,
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_RETURN_IP,
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IARG_REG_VALUE, REG_ESP,
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IARG_REG_VALUE, REG_EBP,
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IARG_END);
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PROTO_Free( proto_funcptr);
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}
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}
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/* ===================================================================== */
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int main(INT32 argc, CHAR *argv[])
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{
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PIN_InitSymbols();
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PIN_Init(argc, argv);
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IMG_AddInstrumentFunction(ImageLoad, 0);
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PIN_StartProgramProbed();
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return 0;
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}
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/* ===================================================================== */
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/* eof */
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/* ===================================================================== */
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