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Issue 23480067: remove ISOLATE (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 months ago
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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 // 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
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153 // This function assumes that the layout of the file is as follows: 153 // This function assumes that the layout of the file is as follows:
154 // hex_start_addr-hex_end_addr rwxp <unused data> [binary_file_name] 154 // hex_start_addr-hex_end_addr rwxp <unused data> [binary_file_name]
155 // If we encounter an unexpected situation we abort scanning further entries. 155 // If we encounter an unexpected situation we abort scanning further entries.
156 FILE* fp = fopen("/proc/self/maps", "r"); 156 FILE* fp = fopen("/proc/self/maps", "r");
157 if (fp == NULL) return; 157 if (fp == NULL) return;
158 158
159 // Allocate enough room to be able to store a full file name. 159 // Allocate enough room to be able to store a full file name.
160 const int kLibNameLen = FILENAME_MAX + 1; 160 const int kLibNameLen = FILENAME_MAX + 1;
161 char* lib_name = reinterpret_cast<char*>(malloc(kLibNameLen)); 161 char* lib_name = reinterpret_cast<char*>(malloc(kLibNameLen));
162 162
163 i::Isolate* isolate = ISOLATE; 163 i::Isolate* isolate = Isolate::Current();
164 // This loop will terminate once the scanning hits an EOF. 164 // This loop will terminate once the scanning hits an EOF.
165 while (true) { 165 while (true) {
166 uintptr_t start, end; 166 uintptr_t start, end;
167 char attr_r, attr_w, attr_x, attr_p; 167 char attr_r, attr_w, attr_x, attr_p;
168 // Parse the addresses and permission bits at the beginning of the line. 168 // Parse the addresses and permission bits at the beginning of the line.
169 if (fscanf(fp, "%" V8PRIxPTR "-%" V8PRIxPTR, &start, &end) != 2) break; 169 if (fscanf(fp, "%" V8PRIxPTR "-%" V8PRIxPTR, &start, &end) != 2) break;
170 if (fscanf(fp, " %c%c%c%c", &attr_r, &attr_w, &attr_x, &attr_p) != 4) break; 170 if (fscanf(fp, " %c%c%c%c", &attr_r, &attr_w, &attr_x, &attr_p) != 4) break;
171 171
172 int c; 172 int c;
173 if (attr_r == 'r' && attr_w != 'w' && attr_x == 'x') { 173 if (attr_r == 'r' && attr_w != 'w' && attr_x == 'x') {
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391 return munmap(base, size) == 0; 391 return munmap(base, size) == 0;
392 } 392 }
393 393
394 394
395 bool VirtualMemory::HasLazyCommits() { 395 bool VirtualMemory::HasLazyCommits() {
396 // TODO(alph): implement for the platform. 396 // TODO(alph): implement for the platform.
397 return false; 397 return false;
398 } 398 }
399 399
400 } } // namespace v8::internal 400 } } // namespace v8::internal
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