1 // Copyright (C) 2011 The Android Open Source Project
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions
6 // are met:
7 // 1. Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // 2. Redistributions in binary form must reproduce the above copyright
10 // notice, this list of conditions and the following disclaimer in the
11 // documentation and/or other materials provided with the distribution.
12 // 3. Neither the name of the project nor the names of its contributors
13 // may be used to endorse or promote products derived from this software
14 // without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 // ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 // OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 // SUCH DAMAGE.
27 //
28
29 #include <gabixx_config.h>
30 #include <stdlib.h>
31 #include <new>
32
33 using std::new_handler;
34 namespace {
35 new_handler cur_handler;
36 }
37
38 namespace std {
39
40 #if !defined(LIBCXXABI)
41 const nothrow_t nothrow = {};
42 #endif
43
bad_alloc()44 bad_alloc::bad_alloc() _GABIXX_NOEXCEPT {
45 }
46
~bad_alloc()47 bad_alloc::~bad_alloc() _GABIXX_NOEXCEPT {
48 }
49
what() const50 const char* bad_alloc::what() const _GABIXX_NOEXCEPT {
51 return "std::bad_alloc";
52 }
53
bad_array_new_length()54 bad_array_new_length::bad_array_new_length() _GABIXX_NOEXCEPT
55 {
56 }
57
~bad_array_new_length()58 bad_array_new_length::~bad_array_new_length() _GABIXX_NOEXCEPT
59 {
60 }
61
62 const char*
what() const63 bad_array_new_length::what() const _GABIXX_NOEXCEPT
64 {
65 return "bad_array_new_length";
66 }
67
68 #if __cplusplus > 201103L
69 // C++14 stuff
bad_array_length()70 bad_array_length::bad_array_length() _GABIXX_NOEXCEPT
71 {
72 }
73
~bad_array_length()74 bad_array_length::~bad_array_length() _GABIXX_NOEXCEPT
75 {
76 }
77
78 const char*
what() const79 bad_array_length::what() const _GABIXX_NOEXCEPT
80 {
81 return "bad_array_length";
82 }
83 #endif
84
set_new_handler(new_handler next_handler)85 new_handler set_new_handler(new_handler next_handler) _GABIXX_NOEXCEPT {
86 return __gabixx_sync_swap(&cur_handler, next_handler);
87 }
88
get_new_handler()89 new_handler get_new_handler() _GABIXX_NOEXCEPT {
90 return __gabixx_sync_load(&cur_handler);
91 }
92
93 } // namespace std
94
95 _GABIXX_WEAK
operator new(std::size_t size)96 void* operator new(std::size_t size) throw(std::bad_alloc) {
97 void* space;
98 do {
99 space = malloc(size);
100 if (space) {
101 return space;
102 }
103 new_handler handler = std::get_new_handler();
104 if (handler == NULL) {
105 throw std::bad_alloc();
106 }
107 handler();
108 } while (space == 0);
109 __builtin_unreachable();
110 }
111
112 _GABIXX_WEAK
operator new(std::size_t size,const std::nothrow_t & no)113 void* operator new(std::size_t size, const std::nothrow_t& no)
114 _GABIXX_NOEXCEPT {
115 try {
116 return ::operator new(size);
117 } catch (const std::bad_alloc&) {
118 return 0;
119 }
120 }
121
122 _GABIXX_WEAK
operator new[](std::size_t size)123 void* operator new[](std::size_t size) throw(std::bad_alloc) {
124 return ::operator new(size);
125 }
126
127 _GABIXX_WEAK
operator new[](std::size_t size,const std::nothrow_t & no)128 void* operator new[](std::size_t size, const std::nothrow_t& no)
129 _GABIXX_NOEXCEPT {
130 return ::operator new(size, no);
131 }
132
133