hphp/ppc64-asm/dasm-ppc64.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | (c) Copyright IBM Corporation 2015-2016                              |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #include "hphp/ppc64-asm/dasm-ppc64.h"
  18
  19 #include <folly/Format.h>
  20
  21 #include "hphp/ppc64-asm/asm-ppc64.h"
  22 #include "hphp/ppc64-asm/decoder-ppc64.h"
  23
  24 namespace ppc64_asm {
  25
  26 void Disassembler::disassembly(std::ostream& out,
  27                                const uint8_t* const instr,
  28                                const uint8_t* const address) {
  29   if (!color_.empty()) {
  30     out << color_;
  31   }
  32
  33   for (int i=0; i < indent_level_; i++) {
  34      out << ' ';
  35   }
  36
  37   int pos;
  38   uint32_t instruction = 0;
  39
  40   for (pos = 0; pos < instr_size_in_bytes; ++pos) {
  41      // TODO(rcardoso): only print encoding if told so.
  42      out << folly::format("{:02x} ", (uint8_t)instr[pos]);
  43      instruction |= ((uint8_t)instr[pos]) << (8 * pos);
  44   }
  45   out << "\t";
  46   // Decode instruction and get mnemonic representation
  47   DecoderInfo dec_info = Decoder::GetDecoder().decode(instr);
  48   if (address) dec_info.setIp(address);
  49   out << dec_info.toString();
  50   out << "\n";
  51 }
  52
  53 } // namespace ppc64_asm