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133 lines
3.1 KiB
133 lines
3.1 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 <string.h>
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#include <stdlib.h>
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#include "pin.H"
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#if defined (TARGET_MAC)
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// macOS*
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#define LIBC "libSystem.B.dylib"
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#else
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// Linux
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#define LIBC "libc.so"
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#endif
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FILE * trace;
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BOOL DoneLoad(IMG img)
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{
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if (IMG_Type(img) == IMG_TYPE_STATIC)
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return true;
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// Give up after libc.so is loaded
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if (strstr(IMG_Name(img).c_str(), LIBC))
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return true;
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return false;
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}
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INT32 readcount = 0;
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VOID Mem(ADDRINT a, ADDRINT s)
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{}
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VOID ImageLoad(IMG img, VOID * v)
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{
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fprintf(trace,"Loading %s\n", IMG_Name(img).c_str());
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fflush(trace);
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// Scan the instructions to test image parsing code
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for (SEC sec = IMG_SecHead(img); SEC_Valid(sec); sec = SEC_Next(sec))
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{
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for (RTN rtn = SEC_RtnHead(sec); RTN_Valid(rtn); rtn = RTN_Next(rtn))
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{
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#if 0
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fprintf(trace, "Routine name %s %x\n",
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RTN_Name(rtn).c_str(),
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RTN_Address(rtn));
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fflush(trace);
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#endif
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RTN_Open(rtn);
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for (INS ins = RTN_InsHead(rtn); INS_Valid(ins); ins = INS_Next(ins))
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{
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if( INS_HasMemoryRead2(ins) )
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{
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INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(Mem), IARG_MEMORYREAD2_EA, IARG_MEMORYREAD_SIZE, IARG_END);
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}
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if( INS_IsMemoryRead(ins) )
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{
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//fprintf(trace, "RSize %d %s\n",INS_MemoryReadSize(ins), INS_Disassemble(ins).c_str());
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INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(Mem), IARG_MEMORYREAD_EA, IARG_MEMORYREAD_SIZE, IARG_END);
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}
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if( INS_IsMemoryWrite(ins) )
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{
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//fprintf(trace, "WSize %d %x %s\n",INS_MemoryWriteSize(ins), INS_Address(ins), INS_Disassemble(ins).c_str());
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INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(Mem), IARG_MEMORYWRITE_EA, IARG_MEMORYWRITE_SIZE, IARG_END);
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}
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}
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RTN_Close(rtn);
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}
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}
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if (DoneLoad(img))
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{
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fprintf(trace,"Finished\n");
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fclose(trace);
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exit(0);
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}
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}
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void Trace(TRACE trace, void * v)
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{
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static bool first = true;
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if (first)
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{
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ASSERTX(RTN_Valid(TRACE_Rtn(trace)));
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}
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first = false;
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}
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int main(INT32 argc, CHAR **argv)
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{
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// On macOS*, ImageLoad() works only after we call PIN_InitSymbols().
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// This is not necessary on Linux, but doing it doesn't hurt.
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PIN_InitSymbols();
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trace = fopen("probe.out", "w");
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if( PIN_Init(argc, argv) )
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{
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PIN_ERROR("bad commandline\n");
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}
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IMG_AddInstrumentFunction(ImageLoad, 0);
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TRACE_AddInstrumentFunction(Trace, 0);
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// Never returns
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PIN_StartProgram();
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return 0;
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}
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