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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/frame.h" | 5 #include "src/compiler/frame.h" |
6 | 6 |
7 #include "src/compiler/linkage.h" | 7 #include "src/compiler/linkage.h" |
8 #include "src/compiler/register-allocator.h" | 8 #include "src/compiler/register-allocator.h" |
9 #include "src/macro-assembler.h" | 9 #include "src/macro-assembler.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 namespace compiler { | 13 namespace compiler { |
14 | 14 |
15 Frame::Frame(int fixed_frame_size_in_slots, const CallDescriptor* descriptor) | 15 Frame::Frame(int fixed_frame_size_in_slots) |
16 : frame_slot_count_(fixed_frame_size_in_slots), | 16 : frame_slot_count_(fixed_frame_size_in_slots), |
17 callee_saved_slot_count_(0), | 17 callee_saved_slot_count_(0), |
18 spill_slot_count_(0), | 18 spill_slot_count_(0), |
19 allocated_registers_(nullptr), | 19 allocated_registers_(nullptr), |
20 allocated_double_registers_(nullptr) {} | 20 allocated_double_registers_(nullptr) {} |
21 | 21 |
22 int Frame::AlignFrame(int alignment) { | 22 int Frame::AlignFrame(int alignment) { |
23 DCHECK_EQ(0, callee_saved_slot_count_); | 23 DCHECK_EQ(0, callee_saved_slot_count_); |
24 int alignment_slots = alignment / kPointerSize; | 24 int alignment_slots = alignment / kPointerSize; |
25 int delta = alignment_slots - (frame_slot_count_ & (alignment_slots - 1)); | 25 int delta = alignment_slots - (frame_slot_count_ & (alignment_slots - 1)); |
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54 // No frame. Retrieve all parameters relative to stack pointer. | 54 // No frame. Retrieve all parameters relative to stack pointer. |
55 int sp_offset = frame_offset + GetSPToFPOffset(); | 55 int sp_offset = frame_offset + GetSPToFPOffset(); |
56 return FrameOffset::FromStackPointer(sp_offset); | 56 return FrameOffset::FromStackPointer(sp_offset); |
57 } | 57 } |
58 } | 58 } |
59 | 59 |
60 | 60 |
61 } // namespace compiler | 61 } // namespace compiler |
62 } // namespace internal | 62 } // namespace internal |
63 } // namespace v8 | 63 } // namespace v8 |
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