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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Platform-specific code for Solaris 10 goes here. For the POSIX-compatible | 5 // Platform-specific code for Solaris 10 goes here. For the POSIX-compatible |
6 // parts, the implementation is in platform-posix.cc. | 6 // parts, the implementation is in platform-posix.cc. |
7 | 7 |
8 #ifdef __sparc | 8 #ifdef __sparc |
9 # error "V8 does not support the SPARC CPU architecture." | 9 # error "V8 does not support the SPARC CPU architecture." |
10 #endif | 10 #endif |
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191 | 191 |
192 bool VirtualMemory::UncommitRegion(void* base, size_t size) { | 192 bool VirtualMemory::UncommitRegion(void* base, size_t size) { |
193 return mmap(base, | 193 return mmap(base, |
194 size, | 194 size, |
195 PROT_NONE, | 195 PROT_NONE, |
196 MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_FIXED, | 196 MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_FIXED, |
197 kMmapFd, | 197 kMmapFd, |
198 kMmapFdOffset) != MAP_FAILED; | 198 kMmapFdOffset) != MAP_FAILED; |
199 } | 199 } |
200 | 200 |
| 201 bool VirtualMemory::ReleasePartialRegion(void* base, size_t size, |
| 202 void* free_start, size_t free_size) { |
| 203 return munmap(free_start, free_size) == 0; |
| 204 } |
201 | 205 |
202 bool VirtualMemory::ReleaseRegion(void* base, size_t size) { | 206 bool VirtualMemory::ReleaseRegion(void* base, size_t size) { |
203 return munmap(base, size) == 0; | 207 return munmap(base, size) == 0; |
204 } | 208 } |
205 | 209 |
206 | 210 |
207 bool VirtualMemory::HasLazyCommits() { | 211 bool VirtualMemory::HasLazyCommits() { |
208 // TODO(alph): implement for the platform. | 212 // TODO(alph): implement for the platform. |
209 return false; | 213 return false; |
210 } | 214 } |
211 | 215 |
212 } // namespace base | 216 } // namespace base |
213 } // namespace v8 | 217 } // namespace v8 |
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