// 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_