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77 lines
1.8 KiB
77 lines
1.8 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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/*
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* A sample tool that extends GDB by adding "checkpoint" and "resume" commands.
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* This is a very simple example that works only for single-threaded applications.
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*/
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#include "pin.H"
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#include "memlog.hpp"
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using std::string;
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static CONTEXT Registers;
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static MEMLOG MemLog;
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static BOOL isCheckpointing = FALSE;
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static VOID Instruction(INS, VOID *);
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static VOID OnMemWrite(ADDRINT, ADDRINT);
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static BOOL DebugInterpreter(THREADID, CONTEXT *, const string &, string *, VOID *);
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int main(int argc, char *argv[])
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{
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if (PIN_Init(argc, argv))
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return 1;
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PIN_AddDebugInterpreter(DebugInterpreter, 0);
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INS_AddInstrumentFunction(Instruction, 0);
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PIN_StartProgram();
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return 0;
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}
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static VOID Instruction(INS ins, VOID *)
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{
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if (INS_IsMemoryWrite(ins))
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{
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INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)OnMemWrite,
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IARG_MEMORYWRITE_EA, IARG_MEMORYWRITE_SIZE, IARG_END);
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}
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}
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static VOID OnMemWrite(ADDRINT addr, ADDRINT size)
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{
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if (isCheckpointing)
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MemLog.Record(addr, size);
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}
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static BOOL DebugInterpreter(THREADID, CONTEXT *ctxt, const string &cmd, string *, VOID *)
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{
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if (cmd == "checkpoint")
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{
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PIN_SaveContext(ctxt, &Registers);
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isCheckpointing = TRUE;
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return TRUE;
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}
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if (cmd == "restore")
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{
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PIN_SaveContext(&Registers, ctxt);
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MemLog.Restore();
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return TRUE;
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}
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return FALSE;
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}
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