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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include <stdlib.h> | 28 #include <stdlib.h> |
29 | 29 |
30 #include "v8.h" | 30 #include "../include/v8stdint.h" |
| 31 #include "globals.h" |
| 32 #include "checks.h" |
| 33 #include "allocation.h" |
| 34 #include "utils.h" |
31 | 35 |
32 namespace v8 { | 36 namespace v8 { |
33 namespace internal { | 37 namespace internal { |
34 | 38 |
35 | |
36 void* Malloced::New(size_t size) { | 39 void* Malloced::New(size_t size) { |
37 ASSERT(NativeAllocationChecker::allocation_allowed()); | 40 ASSERT(NativeAllocationChecker::allocation_allowed()); |
38 void* result = malloc(size); | 41 void* result = malloc(size); |
39 if (result == NULL) V8::FatalProcessOutOfMemory("Malloced operator new"); | 42 if (result == NULL) { |
| 43 v8::internal::FatalProcessOutOfMemory("Malloced operator new"); |
| 44 } |
40 return result; | 45 return result; |
41 } | 46 } |
42 | 47 |
43 | 48 |
44 void Malloced::Delete(void* p) { | 49 void Malloced::Delete(void* p) { |
45 free(p); | 50 free(p); |
46 } | 51 } |
47 | 52 |
48 | 53 |
49 void Malloced::FatalProcessOutOfMemory() { | 54 void Malloced::FatalProcessOutOfMemory() { |
50 V8::FatalProcessOutOfMemory("Out of memory"); | 55 v8::internal::FatalProcessOutOfMemory("Out of memory"); |
51 } | 56 } |
52 | 57 |
53 | 58 |
54 #ifdef DEBUG | 59 #ifdef DEBUG |
55 | 60 |
56 static void* invalid = static_cast<void*>(NULL); | 61 static void* invalid = static_cast<void*>(NULL); |
57 | 62 |
58 void* Embedded::operator new(size_t size) { | 63 void* Embedded::operator new(size_t size) { |
59 UNREACHABLE(); | 64 UNREACHABLE(); |
60 return invalid; | 65 return invalid; |
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75 void AllStatic::operator delete(void* p) { | 80 void AllStatic::operator delete(void* p) { |
76 UNREACHABLE(); | 81 UNREACHABLE(); |
77 } | 82 } |
78 | 83 |
79 #endif | 84 #endif |
80 | 85 |
81 | 86 |
82 char* StrDup(const char* str) { | 87 char* StrDup(const char* str) { |
83 int length = StrLength(str); | 88 int length = StrLength(str); |
84 char* result = NewArray<char>(length + 1); | 89 char* result = NewArray<char>(length + 1); |
85 memcpy(result, str, length * kCharSize); | 90 memcpy(result, str, length); |
86 result[length] = '\0'; | 91 result[length] = '\0'; |
87 return result; | 92 return result; |
88 } | 93 } |
89 | 94 |
90 | 95 |
91 char* StrNDup(const char* str, int n) { | 96 char* StrNDup(const char* str, int n) { |
92 int length = StrLength(str); | 97 int length = StrLength(str); |
93 if (n < length) length = n; | 98 if (n < length) length = n; |
94 char* result = NewArray<char>(length + 1); | 99 char* result = NewArray<char>(length + 1); |
95 memcpy(result, str, length * kCharSize); | 100 memcpy(result, str, length); |
96 result[length] = '\0'; | 101 result[length] = '\0'; |
97 return result; | 102 return result; |
98 } | 103 } |
99 | 104 |
100 | 105 |
101 int NativeAllocationChecker::allocation_disallowed_ = 0; | 106 int NativeAllocationChecker::allocation_disallowed_ = 0; |
102 | 107 |
103 | 108 |
104 PreallocatedStorage PreallocatedStorage::in_use_list_(0); | 109 PreallocatedStorage PreallocatedStorage::in_use_list_(0); |
105 PreallocatedStorage PreallocatedStorage::free_list_(0); | 110 PreallocatedStorage PreallocatedStorage::free_list_(0); |
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117 preallocated_ = true; | 122 preallocated_ = true; |
118 } | 123 } |
119 | 124 |
120 | 125 |
121 void* PreallocatedStorage::New(size_t size) { | 126 void* PreallocatedStorage::New(size_t size) { |
122 if (!preallocated_) { | 127 if (!preallocated_) { |
123 return FreeStoreAllocationPolicy::New(size); | 128 return FreeStoreAllocationPolicy::New(size); |
124 } | 129 } |
125 ASSERT(free_list_.next_ != &free_list_); | 130 ASSERT(free_list_.next_ != &free_list_); |
126 ASSERT(free_list_.previous_ != &free_list_); | 131 ASSERT(free_list_.previous_ != &free_list_); |
| 132 |
127 size = (size + kPointerSize - 1) & ~(kPointerSize - 1); | 133 size = (size + kPointerSize - 1) & ~(kPointerSize - 1); |
128 // Search for exact fit. | 134 // Search for exact fit. |
129 for (PreallocatedStorage* storage = free_list_.next_; | 135 for (PreallocatedStorage* storage = free_list_.next_; |
130 storage != &free_list_; | 136 storage != &free_list_; |
131 storage = storage->next_) { | 137 storage = storage->next_) { |
132 if (storage->size_ == size) { | 138 if (storage->size_ == size) { |
133 storage->Unlink(); | 139 storage->Unlink(); |
134 storage->LinkTo(&in_use_list_); | 140 storage->LinkTo(&in_use_list_); |
135 return reinterpret_cast<void*>(storage + 1); | 141 return reinterpret_cast<void*>(storage + 1); |
136 } | 142 } |
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189 previous_->next_ = next_; | 195 previous_->next_ = next_; |
190 } | 196 } |
191 | 197 |
192 | 198 |
193 PreallocatedStorage::PreallocatedStorage(size_t size) | 199 PreallocatedStorage::PreallocatedStorage(size_t size) |
194 : size_(size) { | 200 : size_(size) { |
195 previous_ = next_ = this; | 201 previous_ = next_ = this; |
196 } | 202 } |
197 | 203 |
198 } } // namespace v8::internal | 204 } } // namespace v8::internal |
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