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111 lines
3.5 KiB
111 lines
3.5 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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/*! @file
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* This file exemplifies XED usage on IA-32 and Intel(R) 64 architectures.
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*/
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#include "pin.H"
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extern "C" {
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#include "xed-interface.h"
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}
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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using std::hex;
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using std::cerr;
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using std::endl;
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/* ===================================================================== */
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/* Global Variables */
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/* ===================================================================== */
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std::ofstream* out = 0;
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/* ===================================================================== */
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/* Commandline Switches */
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/* ===================================================================== */
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/* ===================================================================== */
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/* Print Help Message */
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/* ===================================================================== */
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INT32 Usage()
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{
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cerr << "This tool prints IA-32 and Intel(R) 64 instructions"
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<< endl;
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cerr << KNOB_BASE::StringKnobSummary();
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cerr << endl;
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return -1;
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}
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/* ===================================================================== */
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VOID use_xed(ADDRINT pc) {
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#if defined(TARGET_IA32E)
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static const xed_state_t dstate = {XED_MACHINE_MODE_LONG_64, XED_ADDRESS_WIDTH_64b};
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#else
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static const xed_state_t dstate = { XED_MACHINE_MODE_LEGACY_32, XED_ADDRESS_WIDTH_32b};
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#endif
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xed_decoded_inst_t xedd;
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xed_decoded_inst_zero_set_mode(&xedd,&dstate);
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//Pass in the proper length: 15 is the max. But if you do not want to
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//cross pages, you can pass less than 15 bytes, of course, the
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//instruction might not decode if not enough bytes are provided.
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const unsigned int max_inst_len = 15;
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xed_error_enum_t xed_code = xed_decode(&xedd, reinterpret_cast<UINT8*>(pc), max_inst_len);
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BOOL xed_ok = (xed_code == XED_ERROR_NONE);
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if (xed_ok) {
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*out << hex << std::setw(8) << pc << " ";
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char buf[2048];
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// set the runtime adddress for disassembly
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xed_uint64_t runtime_address = static_cast<xed_uint64_t>(pc);
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xed_format_context(XED_SYNTAX_INTEL, &xedd,
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buf, 2048, runtime_address, 0, 0);
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*out << buf << endl;
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}
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}
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/* ===================================================================== */
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VOID Instruction(INS ins, VOID *v)
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{
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INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)use_xed,
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IARG_INST_PTR,
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IARG_END);
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}
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/* ===================================================================== */
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/* ===================================================================== */
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/* Main */
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/* ===================================================================== */
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int main(int argc, char *argv[])
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{
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out = new std::ofstream("xed-print.out");
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if( PIN_Init(argc,argv) )
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return Usage();
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INS_AddInstrumentFunction(Instruction, 0);
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PIN_StartProgram(); // Never returns
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return 0;
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}
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/* ===================================================================== */
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/* eof */
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/* ===================================================================== */
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