1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/frame-constants.h" 6 7 #if V8_TARGET_ARCH_ARM64 8 9 #include "src/arm64/assembler-arm64-inl.h" 10 #include "src/arm64/assembler-arm64.h" 11 #include "src/assembler.h" 12 13 #include "src/arm64/frame-constants-arm64.h" 14 15 namespace v8 { 16 namespace internal { 17 18 Register JavaScriptFrame::fp_register() { return v8::internal::fp; } 19 Register JavaScriptFrame::context_register() { return cp; } 20 Register JavaScriptFrame::constant_pool_pointer_register() { UNREACHABLE(); } 21 22 int InterpreterFrameConstants::RegisterStackSlotCount(int register_count) { 23 // Round up to a multiple of two, to make the frame a multiple of 16 bytes. 24 return RoundUp(register_count, 2); 25 } 26 27 int BuiltinContinuationFrameConstants::PaddingSlotCount(int register_count) { 28 // Round the total slot count up to a multiple of two, to make the frame a 29 // multiple of 16 bytes. 30 int slot_count = kFixedSlotCount + register_count; 31 int rounded_slot_count = RoundUp(slot_count, 2); 32 return rounded_slot_count - slot_count; 33 } 34 35 } // namespace internal 36 } // namespace v8 37 38 #endif // V8_TARGET_ARCH_ARM64 39
