Support for return-address rewriting profilers.

src/v8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 126 matching lines @@
   state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16);
   state[1] = 36969 * (state[1] & 0xFFFF) + (state[1] >> 16);
 
   return (state[0] << 14) + (state[1] & 0x3FFFF);
 }
 
 
 void V8::SetEntropySource(EntropySource source) {
   entropy_source = source;
 }
 

[Vyacheslav Egorov (Chromium), 2012/02/24 10:34:02]

+\n

[Sigurður Ásgeirsson, 2012/02/24 14:46:04]

Oops, force of habit. Done.

+void V8::SetReturnAddressLocationResolver(
+      ReturnAddressLocationResolver resolver) {
+  StackFrame::SetReturnAddressLocationResolver(resolver);
+}
 

[Vyacheslav Egorov (Chromium), 2012/02/24 10:34:02]

+\n

[Sigurður Ásgeirsson, 2012/02/24 14:46:04]

Done.

 // Used by JavaScript APIs
 uint32_t V8::Random(Context* context) {
   ASSERT(context->IsGlobalContext());
   ByteArray* seed = context->random_seed();
   return random_base(reinterpret_cast<uint32_t*>(seed->GetDataStartAddress()));
 }
 
 
 // Used internally by the JIT and memory allocator for security
 // purposes. So, we keep a different state to prevent informations
@@ skipping 99 matching lines @@
   ElementsAccessor::InitializeOncePerProcess();
 
   if (FLAG_stress_compaction) {
     FLAG_force_marking_deque_overflows = true;
     FLAG_gc_global = true;
     FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2;
   }
 }
 
 } }  // namespace v8::internal