Move V8 to external/v8
Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/src/arm/frames-arm.cc b/src/arm/frames-arm.cc
new file mode 100644
index 0000000..6fde4b7
--- /dev/null
+++ b/src/arm/frames-arm.cc
@@ -0,0 +1,118 @@
+// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "v8.h"
+
+#include "frames-inl.h"
+#include "arm/assembler-arm-inl.h"
+
+
+namespace v8 {
+namespace internal {
+
+
+StackFrame::Type StackFrame::ComputeType(State* state) {
+ ASSERT(state->fp != NULL);
+ if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) {
+ return ARGUMENTS_ADAPTOR;
+ }
+ // The marker and function offsets overlap. If the marker isn't a
+ // smi then the frame is a JavaScript frame -- and the marker is
+ // really the function.
+ const int offset = StandardFrameConstants::kMarkerOffset;
+ Object* marker = Memory::Object_at(state->fp + offset);
+ if (!marker->IsSmi()) return JAVA_SCRIPT;
+ return static_cast<StackFrame::Type>(Smi::cast(marker)->value());
+}
+
+
+StackFrame::Type ExitFrame::GetStateForFramePointer(Address fp, State* state) {
+ if (fp == 0) return NONE;
+ // Compute frame type and stack pointer.
+ Address sp = fp + ExitFrameConstants::kSPDisplacement;
+ Type type;
+ if (Memory::Address_at(fp + ExitFrameConstants::kDebugMarkOffset) != 0) {
+ type = EXIT_DEBUG;
+ sp -= kNumJSCallerSaved * kPointerSize;
+ } else {
+ type = EXIT;
+ }
+ // Fill in the state.
+ state->sp = sp;
+ state->fp = fp;
+ state->pc_address = reinterpret_cast<Address*>(sp - 1 * kPointerSize);
+ return type;
+}
+
+
+void ExitFrame::Iterate(ObjectVisitor* v) const {
+ // Do nothing
+}
+
+
+int JavaScriptFrame::GetProvidedParametersCount() const {
+ return ComputeParametersCount();
+}
+
+
+Address JavaScriptFrame::GetCallerStackPointer() const {
+ int arguments;
+ if (Heap::gc_state() != Heap::NOT_IN_GC || disable_heap_access_) {
+ // The arguments for cooked frames are traversed as if they were
+ // expression stack elements of the calling frame. The reason for
+ // this rather strange decision is that we cannot access the
+ // function during mark-compact GCs when the stack is cooked.
+ // In fact accessing heap objects (like function->shared() below)
+ // at all during GC is problematic.
+ arguments = 0;
+ } else {
+ // Compute the number of arguments by getting the number of formal
+ // parameters of the function. We must remember to take the
+ // receiver into account (+1).
+ JSFunction* function = JSFunction::cast(this->function());
+ arguments = function->shared()->formal_parameter_count() + 1;
+ }
+ const int offset = StandardFrameConstants::kCallerSPOffset;
+ return fp() + offset + (arguments * kPointerSize);
+}
+
+
+Address ArgumentsAdaptorFrame::GetCallerStackPointer() const {
+ const int arguments = Smi::cast(GetExpression(0))->value();
+ const int offset = StandardFrameConstants::kCallerSPOffset;
+ return fp() + offset + (arguments + 1) * kPointerSize;
+}
+
+
+Address InternalFrame::GetCallerStackPointer() const {
+ // Internal frames have no arguments. The stack pointer of the
+ // caller is at a fixed offset from the frame pointer.
+ return fp() + StandardFrameConstants::kCallerSPOffset;
+}
+
+
+} } // namespace v8::internal