v8/src/arguments.cc
ulan@chromium.org 21fb1401bd Restore saved caller FP registers on stub failure
and preserve FP registers on NotifyStubFailure.

In debug mode, clobber FP registers on each runtime call to increase
chances of catching such bugs.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/78283002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2013-11-22 10:21:47 +00:00

128 lines
6.0 KiB
C++

// Copyright 2013 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
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "v8.h"
#include "arguments.h"
#include "vm-state-inl.h"
namespace v8 {
namespace internal {
template<typename T>
template<typename V>
v8::Handle<V> CustomArguments<T>::GetReturnValue(Isolate* isolate) {
// Check the ReturnValue.
Object** handle = &this->begin()[kReturnValueOffset];
// Nothing was set, return empty handle as per previous behaviour.
if ((*handle)->IsTheHole()) return v8::Handle<V>();
return Utils::Convert<Object, V>(Handle<Object>(handle));
}
v8::Handle<v8::Value> FunctionCallbackArguments::Call(FunctionCallback f) {
Isolate* isolate = this->isolate();
VMState<EXTERNAL> state(isolate);
ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
FunctionCallbackInfo<v8::Value> info(begin(),
argv_,
argc_,
is_construct_call_);
f(info);
return GetReturnValue<v8::Value>(isolate);
}
#define WRITE_CALL_0(Function, ReturnValue) \
v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f) { \
Isolate* isolate = this->isolate(); \
VMState<EXTERNAL> state(isolate); \
ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
PropertyCallbackInfo<ReturnValue> info(begin()); \
f(info); \
return GetReturnValue<ReturnValue>(isolate); \
}
#define WRITE_CALL_1(Function, ReturnValue, Arg1) \
v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f, \
Arg1 arg1) { \
Isolate* isolate = this->isolate(); \
VMState<EXTERNAL> state(isolate); \
ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
PropertyCallbackInfo<ReturnValue> info(begin()); \
f(arg1, info); \
return GetReturnValue<ReturnValue>(isolate); \
}
#define WRITE_CALL_2(Function, ReturnValue, Arg1, Arg2) \
v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f, \
Arg1 arg1, \
Arg2 arg2) { \
Isolate* isolate = this->isolate(); \
VMState<EXTERNAL> state(isolate); \
ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
PropertyCallbackInfo<ReturnValue> info(begin()); \
f(arg1, arg2, info); \
return GetReturnValue<ReturnValue>(isolate); \
}
#define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2) \
void PropertyCallbackArguments::Call(Function f, \
Arg1 arg1, \
Arg2 arg2) { \
Isolate* isolate = this->isolate(); \
VMState<EXTERNAL> state(isolate); \
ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
PropertyCallbackInfo<ReturnValue> info(begin()); \
f(arg1, arg2, info); \
}
FOR_EACH_CALLBACK_TABLE_MAPPING_0(WRITE_CALL_0)
FOR_EACH_CALLBACK_TABLE_MAPPING_1(WRITE_CALL_1)
FOR_EACH_CALLBACK_TABLE_MAPPING_2(WRITE_CALL_2)
FOR_EACH_CALLBACK_TABLE_MAPPING_2_VOID_RETURN(WRITE_CALL_2_VOID)
#undef WRITE_CALL_0
#undef WRITE_CALL_1
#undef WRITE_CALL_2
#undef WRITE_CALL_2_VOID
double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) {
// TODO(ulan): This clobbers only subset of registers depending on compiler,
// Rewrite this in assembly to really clobber all registers.
return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04;
}
} } // namespace v8::internal