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Diffstat (limited to 'deps/v8/src/virtual-frame-light-inl.h')
| -rw-r--r-- | deps/v8/src/virtual-frame-light-inl.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/deps/v8/src/virtual-frame-light-inl.h b/deps/v8/src/virtual-frame-light-inl.h deleted file mode 100644 index 19520a634..000000000 --- a/deps/v8/src/virtual-frame-light-inl.h +++ /dev/null @@ -1,170 +0,0 @@ -// Copyright 2010 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. - -#ifndef V8_VIRTUAL_FRAME_LIGHT_INL_H_ -#define V8_VIRTUAL_FRAME_LIGHT_INL_H_ - -#include "codegen.h" -#include "register-allocator.h" -#include "scopes.h" -#include "type-info.h" - -#include "codegen-inl.h" -#include "jump-target-light-inl.h" - -namespace v8 { -namespace internal { - -VirtualFrame::VirtualFrame(InvalidVirtualFrameInitializer* dummy) - : element_count_(0), - top_of_stack_state_(NO_TOS_REGISTERS), - register_allocation_map_(0), - tos_known_smi_map_(0) { } - - -// On entry to a function, the virtual frame already contains the receiver, -// the parameters, and a return address. All frame elements are in memory. -VirtualFrame::VirtualFrame() - : element_count_(parameter_count() + 2), - top_of_stack_state_(NO_TOS_REGISTERS), - register_allocation_map_(0), - tos_known_smi_map_(0) { } - - -// When cloned, a frame is a deep copy of the original. -VirtualFrame::VirtualFrame(VirtualFrame* original) - : element_count_(original->element_count()), - top_of_stack_state_(original->top_of_stack_state_), - register_allocation_map_(original->register_allocation_map_), - tos_known_smi_map_(0) { } - - -bool VirtualFrame::Equals(const VirtualFrame* other) { - ASSERT(element_count() == other->element_count()); - if (top_of_stack_state_ != other->top_of_stack_state_) return false; - if (register_allocation_map_ != other->register_allocation_map_) return false; - if (tos_known_smi_map_ != other->tos_known_smi_map_) return false; - - return true; -} - - -void VirtualFrame::PrepareForReturn() { - // Don't bother flushing tos registers as returning does not require more - // access to the expression stack. - top_of_stack_state_ = NO_TOS_REGISTERS; -} - - -VirtualFrame::RegisterAllocationScope::RegisterAllocationScope( - CodeGenerator* cgen) - : cgen_(cgen), - old_is_spilled_(SpilledScope::is_spilled_) { - SpilledScope::is_spilled_ = false; - if (old_is_spilled_) { - VirtualFrame* frame = cgen->frame(); - if (frame != NULL) { - frame->AssertIsSpilled(); - } - } -} - - -VirtualFrame::RegisterAllocationScope::~RegisterAllocationScope() { - SpilledScope::is_spilled_ = old_is_spilled_; - if (old_is_spilled_) { - VirtualFrame* frame = cgen_->frame(); - if (frame != NULL) { - frame->SpillAll(); - } - } -} - - -CodeGenerator* VirtualFrame::cgen() const { - return CodeGeneratorScope::Current(); -} - - -MacroAssembler* VirtualFrame::masm() { return cgen()->masm(); } - - -void VirtualFrame::CallStub(CodeStub* stub, int arg_count) { - if (arg_count != 0) Forget(arg_count); - ASSERT(cgen()->HasValidEntryRegisters()); - masm()->CallStub(stub); -} - - -int VirtualFrame::parameter_count() const { - return cgen()->scope()->num_parameters(); -} - - -int VirtualFrame::local_count() const { - return cgen()->scope()->num_stack_slots(); -} - - -int VirtualFrame::frame_pointer() const { return parameter_count() + 3; } - - -int VirtualFrame::context_index() { return frame_pointer() - 1; } - - -int VirtualFrame::function_index() { return frame_pointer() - 2; } - - -int VirtualFrame::local0_index() const { return frame_pointer() + 2; } - - -int VirtualFrame::fp_relative(int index) { - ASSERT(index < element_count()); - ASSERT(frame_pointer() < element_count()); // FP is on the frame. - return (frame_pointer() - index) * kPointerSize; -} - - -int VirtualFrame::expression_base_index() const { - return local0_index() + local_count(); -} - - -int VirtualFrame::height() const { - return element_count() - expression_base_index(); -} - - -MemOperand VirtualFrame::LocalAt(int index) { - ASSERT(0 <= index); - ASSERT(index < local_count()); - return MemOperand(fp, kLocal0Offset - index * kPointerSize); -} - -} } // namespace v8::internal - -#endif // V8_VIRTUAL_FRAME_LIGHT_INL_H_ |