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110 lines
2.9 KiB
110 lines
2.9 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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Generates a trace of malloc/free calls
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*/
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#include "pin.H"
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#include <iostream>
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#include <fstream>
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using std::hex;
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using std::dec;
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using std::cerr;
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using std::endl;
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using std::cout;
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/* ===================================================================== */
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/* Global Variables */
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/* ===================================================================== */
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typedef VOID (*FUNCPTR_FREE)(void *);
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VOID Jit_Free_IA32( CONTEXT * context, AFUNPTR orgFuncptr, void * arg0 );
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/* ===================================================================== */
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/* Commandline Switches */
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/* ===================================================================== */
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INT32 Usage()
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{
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cerr <<
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"This pin tool collects an instruction trace for debugging\n"
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"\n";
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cerr << KNOB_BASE::StringKnobSummary();
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cerr << endl;
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return -1;
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}
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/* ===================================================================== */
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// Called every time a new image is loaded.
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// Look for routines that we want to replace.
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VOID ImageLoad(IMG img, VOID *v)
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{
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RTN freeRtn = RTN_FindByName(img, "free");
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if (RTN_Valid(freeRtn))
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{
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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_ReplaceSignature(
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freeRtn, AFUNPTR( Jit_Free_IA32 ),
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IARG_PROTOTYPE, proto_free,
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IARG_CONTEXT,
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IARG_ORIG_FUNCPTR,
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_END);
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cout << "Replaced free() in:" << IMG_Name(img) << endl;
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}
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}
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/* ===================================================================== */
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int main(int argc, CHAR *argv[])
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{
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PIN_InitSymbols();
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if( PIN_Init(argc,argv) )
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{
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return Usage();
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}
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IMG_AddInstrumentFunction(ImageLoad, 0);
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PIN_StartProgram();
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return 0;
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}
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/* ===================================================================== */
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VOID Jit_Free_IA32( CONTEXT * context, AFUNPTR orgFuncptr, void * ptr)
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{
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PIN_CallApplicationFunction( context, PIN_ThreadId(),
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CALLINGSTD_DEFAULT, orgFuncptr, NULL,
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PIN_PARG(void),
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PIN_PARG(void *), ptr,
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PIN_PARG_END() );
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cout << "free(" << hex << ptr << ")" << dec << endl;
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}
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/* ===================================================================== */
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/* eof */
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/* ===================================================================== */
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