| // 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_PPC_FRAME_CONSTANTS_PPC_H_ |
| #define V8_PPC_FRAME_CONSTANTS_PPC_H_ |
| |
| #include "src/base/macros.h" |
| #include "src/frame-constants.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class EntryFrameConstants : public AllStatic { |
| public: |
| static constexpr int kCallerFPOffset = |
| -(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize); |
| }; |
| |
| class ExitFrameConstants : public TypedFrameConstants { |
| public: |
| static constexpr int kSPOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(0); |
| static constexpr 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 constexpr int kCallerFPOffset = 0 * kPointerSize; |
| // The calling JS function is below FP. |
| static constexpr int kCallerPCOffset = 1 * kPointerSize; |
| |
| // FP-relative displacement of the caller's SP. It points just |
| // below the saved PC. |
| static constexpr int kCallerSPDisplacement = 2 * kPointerSize; |
| }; |
| |
| class WasmCompileLazyFrameConstants : public TypedFrameConstants { |
| public: |
| static constexpr int kNumberOfSavedGpParamRegs = 8; |
| static constexpr int kNumberOfSavedFpParamRegs = 8; |
| |
| // FP-relative. |
| static constexpr int kWasmInstanceOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(0); |
| static constexpr int kFixedFrameSizeFromFp = |
| TypedFrameConstants::kFixedFrameSizeFromFp + |
| kNumberOfSavedGpParamRegs * kPointerSize + |
| kNumberOfSavedFpParamRegs * kDoubleSize; |
| }; |
| |
| class JavaScriptFrameConstants : public AllStatic { |
| public: |
| // FP-relative. |
| static constexpr int kLocal0Offset = |
| StandardFrameConstants::kExpressionsOffset; |
| static constexpr int kLastParameterOffset = +2 * kPointerSize; |
| static constexpr int kFunctionOffset = |
| StandardFrameConstants::kFunctionOffset; |
| |
| // Caller SP-relative. |
| static constexpr int kParam0Offset = -2 * kPointerSize; |
| static constexpr int kReceiverOffset = -1 * kPointerSize; |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_PPC_FRAME_CONSTANTS_PPC_H_ |