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145 lines
4.0 KiB
145 lines
4.0 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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/*! @file
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* Insert a call before a function in probe mode.
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*/
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/* ===================================================================== */
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#include "pin.H"
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#include <cstdlib>
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#include <iostream>
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#include "tool_macros.h"
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using std::dec;
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using std::flush;
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using std::hex;
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using std::cout;
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using std::endl;
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/* ===================================================================== */
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/* Analysis routines */
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/* ===================================================================== */
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VOID Before_Malloc( size_t size )
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{
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cout << "Before_Malloc: Calling malloc() with size=" << size << endl << flush;
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}
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VOID After_Malloc( ADDRINT retval )
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{
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cout << "After_Malloc: malloc() return value=" << hex << retval
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<< dec << endl << flush;
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}
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VOID Before_Free( void * ptr )
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{
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cout << "Before_Free: Calling free() with ptr=" << hex <<
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(ADDRINT)ptr << dec << endl << flush;
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}
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VOID After_Free()
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{
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cout << "After_Free: returning from free()." << endl << flush;
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}
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/* ===================================================================== */
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/* Instrumentation routines */
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/* ===================================================================== */
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VOID Sanity(IMG img, RTN rtn)
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{
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if ( PIN_IsProbeMode() && ! RTN_IsSafeForProbedInsertion( rtn ) )
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{
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cout << "Cannot insert calls around " << RTN_Name(rtn) <<
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"() in " << IMG_Name(img) << endl;
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exit(1);
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}
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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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RTN rtn = RTN_FindByName(img, C_MANGLE("malloc"));
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if (RTN_Valid(rtn))
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{
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Sanity(img, rtn);
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cout << "Inserting calls before/after malloc in " << IMG_Name(img) << endl;
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PROTO proto_malloc = PROTO_Allocate( PIN_PARG(void *), CALLINGSTD_DEFAULT,
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"malloc", PIN_PARG(size_t), PIN_PARG_END() );
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RTN_InsertCallProbed(
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rtn, IPOINT_BEFORE, AFUNPTR( Before_Malloc ),
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/*IARG_PROTOTYPE, proto_malloc,*/
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_END);
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RTN_InsertCallProbed(
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rtn, IPOINT_AFTER, AFUNPTR( After_Malloc ),
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IARG_PROTOTYPE, proto_malloc,
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IARG_REG_VALUE, REG_GAX,
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IARG_END);
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PROTO_Free( proto_malloc );
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}
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rtn = RTN_FindByName(img, C_MANGLE("free"));
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if (RTN_Valid(rtn))
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{
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Sanity(img, rtn);
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cout << "Inserting calls before/after free in " << IMG_Name(img) << endl;
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PROTO proto_free = PROTO_Allocate( PIN_PARG(void), CALLINGSTD_DEFAULT,
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"free", PIN_PARG(void *), PIN_PARG_END() );
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RTN_InsertCallProbed(
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rtn, IPOINT_BEFORE, AFUNPTR( Before_Free ),
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/*IARG_PROTOTYPE, proto_free,*/
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_END);
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RTN_InsertCallProbed(
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rtn, IPOINT_AFTER, AFUNPTR( After_Free ),
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IARG_PROTOTYPE, proto_free,
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IARG_END);
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PROTO_Free( proto_free );
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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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