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181 lines
4.8 KiB
181 lines
4.8 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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Demonstrate a way for a tool to present a stack walk when a tool calls
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nested replaced functions.
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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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#include <stdlib.h>
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#include "tool_macros.h"
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using std::endl;
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using std::dec;
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using std::hex;
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using std::string;
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using std::cout;
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/* ===================================================================== */
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/* Globals */
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/* ===================================================================== */
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typedef VOID (*FUNCPTR)(ADDRINT arg);
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ADDRINT relocated_address[3];
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/* ===================================================================== */
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/* Replacement routines */
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/* ===================================================================== */
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VOID First( FUNCPTR fp, CONTEXT * ctxt, ADDRINT arg )
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{
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(*fp)(arg);
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}
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VOID Second( FUNCPTR fp, CONTEXT * ctxt, ADDRINT arg )
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{
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(*fp)(arg);
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}
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VOID Third( FUNCPTR fp, CONTEXT * ctxt, ADDRINT arg )
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{
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(*fp)(arg);
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}
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/* ===================================================================== */
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/* Instrumentation Routines */
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/* ===================================================================== */
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void Replace( IMG img, string name, AFUNPTR funptr, int index )
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{
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RTN rtn = RTN_FindByName(img, name.c_str());
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if (RTN_Valid(rtn))
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{
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if ( RTN_IsSafeForProbedReplacement( rtn ) )
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{
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PROTO proto = PROTO_Allocate( PIN_PARG(void),
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CALLINGSTD_DEFAULT, name.c_str(),
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PIN_PARG(unsigned long),
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PIN_PARG_END() );
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relocated_address[index] = (ADDRINT)RTN_ReplaceSignatureProbed( rtn, funptr,
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IARG_PROTOTYPE, proto,
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IARG_ORIG_FUNCPTR,
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IARG_CONTEXT,
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_END);
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PROTO_Free( proto );
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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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if ( ! IMG_IsMainExecutable( img ) )
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return;
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int index=0;
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Replace( img, C_MANGLE("first"), AFUNPTR( First ), index++ );
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Replace( img, C_MANGLE("second"), AFUNPTR( Second ), index++ );
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Replace( img, C_MANGLE("third"), AFUNPTR( Third ), index++ );
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}
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BOOL Report( IMG img, string name, int index )
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{
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BOOL success = FALSE;
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PIN_CODE_RANGE * ranges=0;
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RTN rtn = RTN_FindByName(img, name.c_str());
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if (RTN_Valid(rtn))
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{
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INT32 num = RTN_CodeRangesProbed( rtn, 0, ranges );
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INT32 rsize = num * sizeof(PIN_CODE_RANGE);
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ranges = reinterpret_cast< PIN_CODE_RANGE * >( malloc( rsize ));
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INT32 count = RTN_CodeRangesProbed( rtn, num, ranges );
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if ( num != count)
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cout << "Error: wrong size returned!" << endl;
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cout << "rtn start address size" << endl;
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for ( int i=0; i<num; i++ )
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{
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cout << " " << RTN_Id(rtn) << " " << hex <<
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ranges[i].start_address << " " <<
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ranges[i].size << dec << endl;
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}
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cout << endl;
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if ( relocated_address[index] == ranges[0].start_address )
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success = TRUE;
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free ( ranges );
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}
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return success;
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}
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VOID ProbesInserted( IMG img, VOID *v )
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{
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if ( ! IMG_IsMainExecutable( img ) )
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return;
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int index = 0;
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BOOL stat = Report( img, C_MANGLE("first"), index++ );
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if ( stat == TRUE )
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stat = Report( img, C_MANGLE("second"), index++ );
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if ( stat == TRUE )
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stat = Report( img, C_MANGLE("third"), index++ );
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if ( stat == TRUE )
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cout << "Success!!" << endl;
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else
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cout << "Error. Cannot find relocated address." << endl;
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}
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/* ===================================================================== */
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/* Main */
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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_AddProbesInsertedFunction( ProbesInserted, 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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