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Issue 9227007: Version 3.8.6 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 8 years, 11 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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92 // variety of ASLR modes (PAE kernel, NX compat mode, etc). 92 // variety of ASLR modes (PAE kernel, NX compat mode, etc).
93 raw_addr &= 0x3ffff000; 93 raw_addr &= 0x3ffff000;
94 raw_addr += 0x20000000; 94 raw_addr += 0x20000000;
95 #endif 95 #endif
96 return reinterpret_cast<void*>(raw_addr); 96 return reinterpret_cast<void*>(raw_addr);
97 } 97 }
98 return NULL; 98 return NULL;
99 } 99 }
100 100
101 101
102 void OS::Setup() { 102 void OS::SetUp() {
103 // Seed the random number generator. We preserve microsecond resolution. 103 // Seed the random number generator. We preserve microsecond resolution.
104 uint64_t seed = Ticks() ^ (getpid() << 16); 104 uint64_t seed = Ticks() ^ (getpid() << 16);
105 srandom(static_cast<unsigned int>(seed)); 105 srandom(static_cast<unsigned int>(seed));
106 limit_mutex = CreateMutex(); 106 limit_mutex = CreateMutex();
107 } 107 }
108 108
109 109
110 uint64_t OS::CpuFeaturesImpliedByPlatform() { 110 uint64_t OS::CpuFeaturesImpliedByPlatform() {
111 return 0; 111 return 0;
112 } 112 }
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305 // for a zero-length string because we know that we at least read the 305 // for a zero-length string because we know that we at least read the
306 // '/' character. 306 // '/' character.
307 lib_name[strlen(lib_name) - 1] = '\0'; 307 lib_name[strlen(lib_name) - 1] = '\0';
308 } else { 308 } else {
309 // No library name found, just record the raw address range. 309 // No library name found, just record the raw address range.
310 snprintf(lib_name, kLibNameLen, 310 snprintf(lib_name, kLibNameLen,
311 "%08" V8PRIxPTR "-%08" V8PRIxPTR, start, end); 311 "%08" V8PRIxPTR "-%08" V8PRIxPTR, start, end);
312 } 312 }
313 LOG(isolate, SharedLibraryEvent(lib_name, start, end)); 313 LOG(isolate, SharedLibraryEvent(lib_name, start, end));
314 } else { 314 } else {
315 // Entry not describing executable data. Skip to end of line to setup 315 // Entry not describing executable data. Skip to end of line to set up
316 // reading the next entry. 316 // reading the next entry.
317 do { 317 do {
318 c = getc(fp); 318 c = getc(fp);
319 } while ((c != EOF) && (c != '\n')); 319 } while ((c != EOF) && (c != '\n'));
320 if (c == EOF) break; 320 if (c == EOF) break;
321 } 321 }
322 } 322 }
323 free(lib_name); 323 free(lib_name);
324 fclose(fp); 324 fclose(fp);
325 } 325 }
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957 957
958 958
959 void Sampler::Stop() { 959 void Sampler::Stop() {
960 ASSERT(IsActive()); 960 ASSERT(IsActive());
961 SignalSender::RemoveActiveSampler(this); 961 SignalSender::RemoveActiveSampler(this);
962 SetActive(false); 962 SetActive(false);
963 } 963 }
964 964
965 965
966 } } // namespace v8::internal 966 } } // namespace v8::internal
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