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Issue 4881001: Use the real climit for testing the stack limit API. The currently... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 1 month ago
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1 // Copyright 2007-2009 the V8 project authors. All rights reserved. 1 // Copyright 2007-2009 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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10622 if (rv) 10622 if (rv)
10623 break; 10623 break;
10624 } 10624 }
10625 CHECK(rv == true); 10625 CHECK(rv == true);
10626 } 10626 }
10627 10627
10628 10628
10629 static uint32_t* stack_limit; 10629 static uint32_t* stack_limit;
10630 10630
10631 static v8::Handle<Value> GetStackLimitCallback(const v8::Arguments& args) { 10631 static v8::Handle<Value> GetStackLimitCallback(const v8::Arguments& args) {
10632 stack_limit = reinterpret_cast<uint32_t*>(i::StackGuard::climit()); 10632 stack_limit = reinterpret_cast<uint32_t*>(i::StackGuard::real_climit());
10633 return v8::Undefined(); 10633 return v8::Undefined();
10634 } 10634 }
10635 10635
10636 10636
10637 // Uses the address of a local variable to determine the stack top now. 10637 // Uses the address of a local variable to determine the stack top now.
10638 // Given a size, returns an address that is that far from the current 10638 // Given a size, returns an address that is that far from the current
10639 // top of stack. 10639 // top of stack.
10640 static uint32_t* ComputeStackLimit(uint32_t size) { 10640 static uint32_t* ComputeStackLimit(uint32_t size) {
10641 uint32_t* answer = &size - (size / sizeof(size)); 10641 uint32_t* answer = &size - (size / sizeof(size));
10642 // If the size is very large and the stack is very near the bottom of 10642 // If the size is very large and the stack is very near the bottom of
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11764 v8::Context::Scope context_scope(context.local()); 11764 v8::Context::Scope context_scope(context.local());
11765 11765
11766 v8::Handle<v8::ObjectTemplate> tmpl = v8::ObjectTemplate::New(); 11766 v8::Handle<v8::ObjectTemplate> tmpl = v8::ObjectTemplate::New();
11767 tmpl->SetNamedPropertyHandler(Getter, NULL, NULL, NULL, Enumerator); 11767 tmpl->SetNamedPropertyHandler(Getter, NULL, NULL, NULL, Enumerator);
11768 context->Global()->Set(v8_str("o"), tmpl->NewInstance()); 11768 context->Global()->Set(v8_str("o"), tmpl->NewInstance());
11769 v8::Handle<v8::Array> result = v8::Handle<v8::Array>::Cast(CompileRun( 11769 v8::Handle<v8::Array> result = v8::Handle<v8::Array>::Cast(CompileRun(
11770 "var result = []; for (var k in o) result.push(k); result")); 11770 "var result = []; for (var k in o) result.push(k); result"));
11771 CHECK_EQ(1, result->Length()); 11771 CHECK_EQ(1, result->Length());
11772 CHECK_EQ(v8_str("universalAnswer"), result->Get(0)); 11772 CHECK_EQ(v8_str("universalAnswer"), result->Get(0));
11773 } 11773 }
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