aboutsummaryrefslogtreecommitdiff
path: root/deps/v8/src/execution/arm64/frame-constants-arm64.cc
diff options
context:
space:
mode:
Diffstat (limited to 'deps/v8/src/execution/arm64/frame-constants-arm64.cc')
-rw-r--r--deps/v8/src/execution/arm64/frame-constants-arm64.cc38
1 files changed, 38 insertions, 0 deletions
diff --git a/deps/v8/src/execution/arm64/frame-constants-arm64.cc b/deps/v8/src/execution/arm64/frame-constants-arm64.cc
new file mode 100644
index 0000000000..89a5259e2b
--- /dev/null
+++ b/deps/v8/src/execution/arm64/frame-constants-arm64.cc
@@ -0,0 +1,38 @@
+// Copyright 2013 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.
+
+#include "src/execution/frame-constants.h"
+
+#if V8_TARGET_ARCH_ARM64
+
+#include "src/codegen/arm64/assembler-arm64-inl.h"
+#include "src/codegen/arm64/assembler-arm64.h"
+#include "src/codegen/assembler.h"
+
+#include "src/execution/arm64/frame-constants-arm64.h"
+
+namespace v8 {
+namespace internal {
+
+Register JavaScriptFrame::fp_register() { return v8::internal::fp; }
+Register JavaScriptFrame::context_register() { return cp; }
+Register JavaScriptFrame::constant_pool_pointer_register() { UNREACHABLE(); }
+
+int InterpreterFrameConstants::RegisterStackSlotCount(int register_count) {
+ // Round up to a multiple of two, to make the frame a multiple of 16 bytes.
+ return RoundUp(register_count, 2);
+}
+
+int BuiltinContinuationFrameConstants::PaddingSlotCount(int register_count) {
+ // Round the total slot count up to a multiple of two, to make the frame a
+ // multiple of 16 bytes.
+ int slot_count = kFixedSlotCount + register_count;
+ int rounded_slot_count = RoundUp(slot_count, 2);
+ return rounded_slot_count - slot_count;
+}
+
+} // namespace internal
+} // namespace v8
+
+#endif // V8_TARGET_ARCH_ARM64