memory/mozalloc/throw_gcc.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * vim: sw=4 ts=4 et :
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef mozilla_throw_gcc_h
   9 #define mozilla_throw_gcc_h
  10
  11 #include "mozilla/Attributes.h"
  12
  13 #include <stdio.h>              // snprintf
  14 #include <string.h>             // strerror
  15
  16 // For gcc, we define these inline to abort so that we're absolutely
  17 // certain that (i) no exceptions are thrown from Gecko; (ii) these
  18 // errors are always terminal and caught by breakpad.
  19
  20 #include "mozilla/mozalloc_abort.h"
  21
  22 namespace std {
  23
  24 // NB: user code is not supposed to touch the std:: namespace.  We're
  25 // doing this after careful review because we want to define our own
  26 // exception throwing semantics.  Don't try this at home!
  27
  28 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  29 __throw_bad_exception(void)
  30 {
  31     mozalloc_abort("fatal: STL threw bad_exception");
  32 }
  33
  34 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  35 __throw_bad_alloc(void)
  36 {
  37     mozalloc_abort("fatal: STL threw bad_alloc");
  38 }
  39
  40 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  41 __throw_bad_cast(void)
  42 {
  43     mozalloc_abort("fatal: STL threw bad_cast");
  44 }
  45
  46 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  47 __throw_bad_typeid(void)
  48 {
  49     mozalloc_abort("fatal: STL threw bad_typeid");
  50 }
  51
  52 // used by <functional>
  53 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  54 __throw_bad_function_call(void)
  55 {
  56     mozalloc_abort("fatal: STL threw bad_function_call");
  57 }
  58
  59 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  60 __throw_logic_error(const char* msg)
  61 {
  62     mozalloc_abort(msg);
  63 }
  64
  65 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  66 __throw_domain_error(const char* msg)
  67 {
  68     mozalloc_abort(msg);
  69 }
  70
  71 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  72 __throw_invalid_argument(const char* msg)
  73 {
  74     mozalloc_abort(msg);
  75 }
  76
  77 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  78 __throw_length_error(const char* msg)
  79 {
  80     mozalloc_abort(msg);
  81 }
  82
  83 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  84 __throw_out_of_range(const char* msg)
  85 {
  86     mozalloc_abort(msg);
  87 }
  88
  89 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  90 __throw_runtime_error(const char* msg)
  91 {
  92     mozalloc_abort(msg);
  93 }
  94
  95 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
  96 __throw_range_error(const char* msg)
  97 {
  98     mozalloc_abort(msg);
  99 }
 100
 101 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
 102 __throw_overflow_error(const char* msg)
 103 {
 104     mozalloc_abort(msg);
 105 }
 106
 107 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
 108 __throw_underflow_error(const char* msg)
 109 {
 110     mozalloc_abort(msg);
 111 }
 112
 113 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
 114 __throw_ios_failure(const char* msg)
 115 {
 116     mozalloc_abort(msg);
 117 }
 118
 119 MOZ_EXPORT MOZ_NORETURN MOZ_ALWAYS_INLINE void
 120 __throw_system_error(int err)
 121 {
 122     char error[128];
 123     snprintf(error, sizeof(error)-1,
 124              "fatal: STL threw system_error: %s (%d)", strerror(err), err);
 125     mozalloc_abort(error);
 126 }
 127
 128 } // namespace std
 129
 130 #endif  // mozilla_throw_gcc_h