// 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
-// 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.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
// the preconditions is not met, the code bails out to the runtime call.
if (FLAG_inline_new) {
Label undo_allocation;
-#ifdef ENABLE_DEBUGGER_SUPPORT
ExternalReference debug_step_in_fp =
ExternalReference::debug_step_in_fp_address(isolate);
__ li(a2, Operand(debug_step_in_fp));
__ lw(a2, MemOperand(a2));
__ Branch(&rt_call, ne, a2, Operand(zero_reg));
-#endif
// Load the initial map and verify that it is in fact a map.
// a1: constructor function
if (count_constructions) {
__ LoadRoot(t7, Heap::kUndefinedValueRootIndex);
- __ lw(a0, FieldMemOperand(a2, Map::kInstanceSizesOffset));
- __ Ext(a0, a0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,
- kBitsPerByte);
+ __ lbu(a0, FieldMemOperand(a2, Map::kPreAllocatedPropertyFieldsOffset));
__ sll(at, a0, kPointerSizeLog2);
__ addu(a0, t5, at);
__ sll(at, a3, kPointerSizeLog2);
__ lbu(a3, FieldMemOperand(a2, Map::kUnusedPropertyFieldsOffset));
// The field instance sizes contains both pre-allocated property fields
// and in-object properties.
- __ lw(a0, FieldMemOperand(a2, Map::kInstanceSizesOffset));
- __ Ext(t6, a0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,
- kBitsPerByte);
+ __ lbu(t6, FieldMemOperand(a2, Map::kPreAllocatedPropertyFieldsOffset));
__ Addu(a3, a3, Operand(t6));
- __ Ext(t6, a0, Map::kInObjectPropertiesByte * kBitsPerByte,
- kBitsPerByte);
+ __ lbu(t6, FieldMemOperand(a2, Map::kInObjectPropertiesOffset));
__ subu(a3, a3, t6);
// Done if no extra properties are to be allocated.
if (is_construct) {
// No type feedback cell is available
__ LoadRoot(a2, Heap::kUndefinedValueRootIndex);
- CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);
+ CallConstructStub stub(masm->isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
__ CallStub(&stub);
} else {
ParameterCount actual(a0);
// Out of stack space.
__ lw(a1, MemOperand(fp, kFunctionOffset));
__ Push(a1, v0);
- __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION);
+ __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
// End of stack check.
// Push current limit and index.
}
+static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
+ Label* stack_overflow) {
+ // ----------- S t a t e -------------
+ // -- a0 : actual number of arguments
+ // -- a1 : function (passed through to callee)
+ // -- a2 : expected number of arguments
+ // -----------------------------------
+ // Check the stack for overflow. We are not trying to catch
+ // interruptions (e.g. debug break and preemption) here, so the "real stack
+ // limit" is checked.
+ __ LoadRoot(t1, Heap::kRealStackLimitRootIndex);
+ // Make t1 the space we have left. The stack might already be overflowed
+ // here which will cause t1 to become negative.
+ __ subu(t1, sp, t1);
+ // Check if the arguments will overflow the stack.
+ __ sll(at, a2, kPointerSizeLog2);
+ // Signed comparison.
+ __ Branch(stack_overflow, le, t1, Operand(at));
+}
+
+
static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
__ sll(a0, a0, kSmiTagSize);
__ li(t0, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
// -- a2: expected arguments count
// -----------------------------------
+ Label stack_overflow;
+ ArgumentAdaptorStackCheck(masm, &stack_overflow);
Label invoke, dont_adapt_arguments;
Label enough, too_few;
// -------------------------------------------
__ bind(&dont_adapt_arguments);
__ Jump(a3);
+
+ __ bind(&stack_overflow);
+ {
+ FrameScope frame(masm, StackFrame::MANUAL);
+ EnterArgumentsAdaptorFrame(masm);
+ __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+ __ break_(0xCC);
+ }
}
projects / platform / framework / web / crosswalk.git / blobdiff