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119 lines
3.3 KiB
119 lines
3.3 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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* This test verifies that we can call PIN_LockClient / PIN_UnlockClient
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* from a probe mode tool. Note, this is just a unit test. There is no real
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* need to call PIN_LockClient / PIN_UnlockClient in this tool.
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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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#include "tool_macros.h"
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using std::ofstream;
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using std::string;
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ofstream TraceFile;
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KNOB<string> KnobOutputFile(KNOB_MODE_WRITEONCE, "pintool",
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"o", "malloctrace_locktest.out", "specify trace file name");
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static VOID ImageLoad(IMG img, VOID *v);
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static void *MallocProbe(void *(*origMalloc)(size_t), UINT32 mallocNum, size_t size, ADDRINT appTP);
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static void FreeProbe(void (*origFree)(void *), UINT32 freeNum, void *ptr, ADDRINT appTP);
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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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return 1;
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TraceFile.open(KnobOutputFile.Value().c_str());
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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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static VOID ImageLoad(IMG img, VOID *v)
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{
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static UINT32 mallocCount = 0;
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PROTO protoMalloc = PROTO_Allocate(PIN_PARG(void *), CALLINGSTD_DEFAULT,
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"malloc", PIN_PARG(size_t), PIN_PARG_END());
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RTN rtnMalloc = RTN_FindByName(img, C_MANGLE("malloc"));
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if (RTN_Valid(rtnMalloc))
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{
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TraceFile << "probing malloc #" << mallocCount << " in " << IMG_Name(img) << std::endl;
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RTN_ReplaceSignatureProbed(rtnMalloc, AFUNPTR(MallocProbe),
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IARG_PROTOTYPE, protoMalloc,
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IARG_ORIG_FUNCPTR,
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IARG_UINT32, static_cast<UINT32>(mallocCount),
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_ADDRINT, static_cast<ADDRINT>(0),
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IARG_END);
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mallocCount++;
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}
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PROTO_Free(protoMalloc);
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static UINT32 freeCount = 0;
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PROTO protoFree = PROTO_Allocate(PIN_PARG(void), CALLINGSTD_DEFAULT,
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"free", PIN_PARG(void *), PIN_PARG_END());
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RTN freeRtn = RTN_FindByName(img, C_MANGLE("free"));
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if (RTN_Valid(freeRtn))
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{
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TraceFile << "probing free #" << freeCount << " in " << IMG_Name(img) << std::endl;
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RTN_ReplaceSignatureProbed(freeRtn, AFUNPTR(FreeProbe),
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IARG_PROTOTYPE, protoFree,
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IARG_ORIG_FUNCPTR,
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IARG_UINT32, static_cast<UINT32>(freeCount),
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IARG_FUNCARG_ENTRYPOINT_VALUE, 0,
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IARG_ADDRINT, static_cast<ADDRINT>(0),
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IARG_END);
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freeCount++;
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}
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PROTO_Free(protoFree);
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}
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static void *MallocProbe(void *(*origMalloc)(size_t), UINT32 mallocNum, size_t size, ADDRINT appTP)
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{
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void *ptr = origMalloc(size);
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PIN_LockClient();
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TraceFile << mallocNum << " malloc(" << size << ") returns " << ptr << std::endl;
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PIN_UnlockClient();
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return ptr;
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}
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static void FreeProbe(void (*origFree)(void *), UINT32 freeNum, void *ptr, ADDRINT appTP)
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{
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origFree(ptr);
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PIN_LockClient();
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TraceFile << freeNum << " free(" << ptr << ")" << std::endl;
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PIN_UnlockClient();
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}
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