| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_S390_FRAMES_S390_H_ |
| #define V8_S390_FRAMES_S390_H_ |
| |
| namespace v8 { |
| namespace internal { |
| |
| class EntryFrameConstants : public AllStatic { |
| public: |
| static const int kCallerFPOffset = |
| -(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize); |
| }; |
| |
| class ExitFrameConstants : public TypedFrameConstants { |
| public: |
| static const int kSPOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(0); |
| static const int kCodeOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(1); |
| DEFINE_TYPED_FRAME_SIZES(2); |
| |
| // The caller fields are below the frame pointer on the stack. |
| static const int kCallerFPOffset = 0 * kPointerSize; |
| // The calling JS function is below FP. |
| static const int kCallerPCOffset = 1 * kPointerSize; |
| |
| // FP-relative displacement of the caller's SP. It points just |
| // below the saved PC. |
| static const int kCallerSPDisplacement = 2 * kPointerSize; |
| }; |
| |
| class JavaScriptFrameConstants : public AllStatic { |
| public: |
| // FP-relative. |
| static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; |
| static const int kLastParameterOffset = +2 * kPointerSize; |
| static const int kFunctionOffset = StandardFrameConstants::kFunctionOffset; |
| |
| // Caller SP-relative. |
| static const int kParam0Offset = -2 * kPointerSize; |
| static const int kReceiverOffset = -1 * kPointerSize; |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_S390_FRAMES_S390_H_ |