hphp/util/unwind-itanium-msvc.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_UNWIND_ITANIUM_MSVC_H_
  18 #define HPHP_UTIL_UNWIND_ITANIUM_MSVC_H_
  19
  20 #include <cstdint>
  21
  22 #include <hphp/util/assertions.h>
  23
  24 namespace HPHP {
  25
  26 ///////////////////////////////////////////////////////////////////////////////
  27
  28 /*
  29  * MSVC doesn't support the Itanium exception handling ABI, so we have some
  30  * garbage stubs to convince MSVC to compile without freaking out.
  31  */
  32 struct _Unwind_Exception {
  33   uint64_t exception_class;
  34 };
  35
  36 #define _URC_CONTINUE_UNWIND 0
  37 #define _URC_INSTALL_CONTEXT 0
  38 #define _URC_HANDLER_FOUND 0
  39 using _Unwind_Reason_Code = int;
  40
  41 #define _UA_HANDLER_FRAME 0
  42 #define _UA_CLEANUP_PHASE 0
  43 #define _UA_SEARCH_PHASE 0
  44 using _Unwind_Action = int;
  45
  46 using _Unwind_Context = void;
  47
  48 inline uintptr_t _Unwind_GetGR(_Unwind_Context*, int) {
  49   always_assert(false);
  50   return 0;
  51 }
  52 inline uintptr_t _Unwind_GetIP(_Unwind_Context*) {
  53   always_assert(false);
  54   return 0;
  55 }
  56 inline void _Unwind_Resume() { always_assert(false); }
  57 inline void _Unwind_SetIP(_Unwind_Context*, uint64_t) { always_assert(false); }
  58
  59 ///////////////////////////////////////////////////////////////////////////////
  60
  61 }
  62
  63 #endif