hphp/util/dwarf-reg.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   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 #ifndef HPHP_UTIL_DWARF_REG_H_
  18 #define HPHP_UTIL_DWARF_REG_H_
  19
  20 #include <cstdint>
  21
  22 namespace HPHP { namespace dw_reg {
  23
  24 ///////////////////////////////////////////////////////////////////////////////
  25
  26 enum class x64 : uint8_t {
  27   RAX, RDX, RCX, RBX, RSI, RDI, RBP, RSP,
  28   R8,  R9,  R10, R11, R12, R13, R14, R15, RIP
  29 };
  30
  31 enum class arm : uint8_t {
  32   X0,  X1,  X2,  X3,  X4,  X5,  X6,  X7,
  33   X8,  X9,  X10, X11, X12, X13, X14, X15,
  34   X16, X17, X18, X19, X20, X21, X22, X23,
  35   X24, X25, X26, X27, X28, X29, X30, SP
  36 };
  37
  38 constexpr auto FP = static_cast<uint8_t>(
  39 #if defined(__x86_64__)
  40   x64::RBP
  41 #elif defined(__aarch64__)
  42   arm::X29
  43 #else
  44   0
  45 #endif
  46 );
  47
  48 constexpr auto SP = static_cast<uint8_t>(
  49 #if defined(__x86_64__)
  50   x64::RSP
  51 #elif defined(__aarch64__)
  52   arm::SP
  53 #else
  54   0
  55 #endif
  56 );
  57
  58 constexpr auto IP = static_cast<uint8_t>(
  59 #if defined(__x86_64__)
  60   x64::RIP
  61 #elif defined(__aarch64__)
  62   arm::X30
  63 #else
  64   0
  65 #endif
  66 );
  67
  68 ///////////////////////////////////////////////////////////////////////////////
  69
  70 }}
  71
  72 #endif