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75 lines
2.1 KiB
75 lines
2.1 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 "pin.H"
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// This tool causes one trace to be instrumented with so many calls that it will not
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// fit into the default code-cache-block (which is 256K), until Pin reduces the
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// trace to 1 application instruction
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ADDRINT addrOfTraceToInstrument = 0;
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BOOL traceInstrumented = FALSE;
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UINT32 numCallsToInsert = 4000;
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UINT32 numAnalysisCalls = 0;
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VOID AnalysisFunc(CONTEXT *ctxt)
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{
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numAnalysisCalls++;
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}
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// Pin calls this function every time a new Trace is jitted
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VOID Trace(TRACE trace, VOID *v)
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{
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if (((!traceInstrumented) && TRACE_NumIns(trace) > 3)
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|| addrOfTraceToInstrument==TRACE_Address(trace))
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{
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printf ("Instrumenting Trace\n");
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addrOfTraceToInstrument = TRACE_Address(trace);
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traceInstrumented = TRUE;
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if (TRACE_NumIns(trace)==1)
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{
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numCallsToInsert = 1;
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}
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for (UINT32 i=0; i<numCallsToInsert; i++)
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{
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INS_InsertCall(BBL_InsHead(TRACE_BblHead(trace)), IPOINT_BEFORE, (AFUNPTR)AnalysisFunc, IARG_CONST_CONTEXT, IARG_END);
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}
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}
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}
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// This function is called when the application exits
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VOID Fini(INT32 code, VOID *v)
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{
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ASSERTX(traceInstrumented);
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printf ("numAnalysisCalls %d\n", numAnalysisCalls);
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}
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// argc, argv are the entire command line, including pin -t <toolname> -- ...
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int main(int argc, char * argv[])
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{
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// Initialize pin
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PIN_Init(argc, argv);
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// Register Trace to be called to instrument the trace
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TRACE_AddInstrumentFunction(Trace, 0);
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// Register Fini to be called when the application exits
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PIN_AddFiniFunction(Fini, 0);
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// Start the program, never returns
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PIN_StartProgram();
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return 0;
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}
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