cctlib_reader.cpp

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// @COPYRIGHT@
// Licensed under MIT license.
// See LICENSE.TXT file in the project root for more information.
// ==============================================================
 
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <iostream>
#include <unistd.h>
#include <assert.h>
#include <string.h>
#include <sstream>
#include "pin.H"
#include "cctlib.H"
using namespace std;
using namespace PinCCTLib;
 
static INT32 Usage() {
    PIN_ERROR("DeadSPy is a PinTool which tracks each memory access and reports dead writes.\n" + KNOB_BASE::StringKnobSummary() + "\n");
    return -1;
}
 
 
// Main for DeadSpy, initialize the tool, register instrumentation functions and call the target program.
FILE* gTraceFile;
 
 
// Initialized the needed data structures before launching the target program
void ClientInit(int argc, char* argv[]) {
    // Create output file
    char name[MAX_FILE_PATH] = "client.out.";
    char* envPath = getenv("CCTLIB_CLIENT_OUTPUT_FILE");
 
    if (envPath) {
        // assumes max of MAX_FILE_PATH
        snprintf(name, sizeof(name), "%s", envPath);
    }
 
    gethostname(name + strlen(name), MAX_FILE_PATH - strlen(name));
    pid_t pid = getpid();
    sprintf(name + strlen(name), "%d", pid);
    cerr << "\n Creating log file at:" << name << "\n";
    gTraceFile = fopen(name, "w");
    // print the arguments passed
    fprintf(gTraceFile, "\n");
 
    for (int i = 0; i < argc; i++) {
        fprintf(gTraceFile, "%s ", argv[i]);
    }
 
    fprintf(gTraceFile, "\n");
}
 
int main(int argc, char* argv[]) {
    // Initialize PIN
    if (PIN_Init(argc, argv))
        return Usage();
 
    // Initialize Symbols, we need them to report functions and lines
    PIN_InitSymbols();
    // Init Client
    ClientInit(argc, argv);
    // Init CCTLib postmortem analysis
    PinCCTLibInitForPostmortemAnalysis(gTraceFile, "DeadSpy-CCTLib-database");
#if 0
    vector<Context>  contextVec;
    // Gather full human-readable calling context for a reasonably expected value of context handle.
    ContextHandle_t ctxtHndl = 1234; // some reasonably OK handle number
    GetFullCallingContext(ctxtHndl, contextVec);
    // Print to the log file full human-readable calling context.
    PrintFullCallingContext(ctxtHndl);
#endif
    return 0;
}