Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/compiler/linkage.cc b/src/compiler/linkage.cc
new file mode 100644
index 0000000..465a667
--- /dev/null
+++ b/src/compiler/linkage.cc
@@ -0,0 +1,170 @@
+// 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.
+
+#include "src/compiler/linkage.h"
+
+#include "src/code-stubs.h"
+#include "src/compiler.h"
+#include "src/compiler/node.h"
+#include "src/compiler/pipeline.h"
+#include "src/scopes.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+
+OStream& operator<<(OStream& os, const CallDescriptor::Kind& k) {
+ switch (k) {
+ case CallDescriptor::kCallCodeObject:
+ os << "Code";
+ break;
+ case CallDescriptor::kCallJSFunction:
+ os << "JS";
+ break;
+ case CallDescriptor::kCallAddress:
+ os << "Addr";
+ break;
+ }
+ return os;
+}
+
+
+OStream& operator<<(OStream& os, const CallDescriptor& d) {
+ // TODO(svenpanne) Output properties etc. and be less cryptic.
+ return os << d.kind() << ":" << d.debug_name() << ":r" << d.ReturnCount()
+ << "j" << d.JSParameterCount() << "i" << d.InputCount() << "f"
+ << d.FrameStateCount();
+}
+
+
+Linkage::Linkage(CompilationInfo* info) : info_(info) {
+ if (info->function() != NULL) {
+ // If we already have the function literal, use the number of parameters
+ // plus the receiver.
+ incoming_ = GetJSCallDescriptor(1 + info->function()->parameter_count());
+ } else if (!info->closure().is_null()) {
+ // If we are compiling a JS function, use a JS call descriptor,
+ // plus the receiver.
+ SharedFunctionInfo* shared = info->closure()->shared();
+ incoming_ = GetJSCallDescriptor(1 + shared->formal_parameter_count());
+ } else if (info->code_stub() != NULL) {
+ // Use the code stub interface descriptor.
+ CallInterfaceDescriptor descriptor =
+ info->code_stub()->GetCallInterfaceDescriptor();
+ incoming_ = GetStubCallDescriptor(descriptor);
+ } else {
+ incoming_ = NULL; // TODO(titzer): ?
+ }
+}
+
+
+FrameOffset Linkage::GetFrameOffset(int spill_slot, Frame* frame, int extra) {
+ if (frame->GetSpillSlotCount() > 0 || incoming_->IsJSFunctionCall() ||
+ incoming_->kind() == CallDescriptor::kCallAddress) {
+ int offset;
+ int register_save_area_size = frame->GetRegisterSaveAreaSize();
+ if (spill_slot >= 0) {
+ // Local or spill slot. Skip the frame pointer, function, and
+ // context in the fixed part of the frame.
+ offset =
+ -(spill_slot + 1) * kPointerSize - register_save_area_size + extra;
+ } else {
+ // Incoming parameter. Skip the return address.
+ offset = -(spill_slot + 1) * kPointerSize + kFPOnStackSize +
+ kPCOnStackSize + extra;
+ }
+ return FrameOffset::FromFramePointer(offset);
+ } else {
+ // No frame. Retrieve all parameters relative to stack pointer.
+ DCHECK(spill_slot < 0); // Must be a parameter.
+ int register_save_area_size = frame->GetRegisterSaveAreaSize();
+ int offset = register_save_area_size - (spill_slot + 1) * kPointerSize +
+ kPCOnStackSize + extra;
+ return FrameOffset::FromStackPointer(offset);
+ }
+}
+
+
+CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count) {
+ return GetJSCallDescriptor(parameter_count, this->info_->zone());
+}
+
+
+CallDescriptor* Linkage::GetRuntimeCallDescriptor(
+ Runtime::FunctionId function, int parameter_count,
+ Operator::Properties properties) {
+ return GetRuntimeCallDescriptor(function, parameter_count, properties,
+ this->info_->zone());
+}
+
+
+CallDescriptor* Linkage::GetStubCallDescriptor(
+ CallInterfaceDescriptor descriptor, int stack_parameter_count,
+ CallDescriptor::Flags flags) {
+ return GetStubCallDescriptor(descriptor, stack_parameter_count, flags,
+ this->info_->zone());
+}
+
+
+// static
+bool Linkage::NeedsFrameState(Runtime::FunctionId function) {
+ if (!FLAG_turbo_deoptimization) {
+ return false;
+ }
+ // TODO(jarin) At the moment, we only add frame state for
+ // few chosen runtime functions.
+ switch (function) {
+ case Runtime::kDebugBreak:
+ case Runtime::kDebugGetLoadedScripts:
+ case Runtime::kDeoptimizeFunction:
+ case Runtime::kInlineCallFunction:
+ case Runtime::kPrepareStep:
+ case Runtime::kSetScriptBreakPoint:
+ case Runtime::kStackGuard:
+ case Runtime::kCheckExecutionState:
+ case Runtime::kDebugEvaluate:
+ case Runtime::kCollectStackTrace:
+ return true;
+ default:
+ return false;
+ }
+}
+
+
+//==============================================================================
+// Provide unimplemented methods on unsupported architectures, to at least link.
+//==============================================================================
+#if !V8_TURBOFAN_BACKEND
+CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) {
+ UNIMPLEMENTED();
+ return NULL;
+}
+
+
+CallDescriptor* Linkage::GetRuntimeCallDescriptor(
+ Runtime::FunctionId function, int parameter_count,
+ Operator::Properties properties, Zone* zone) {
+ UNIMPLEMENTED();
+ return NULL;
+}
+
+
+CallDescriptor* Linkage::GetStubCallDescriptor(
+ CallInterfaceDescriptor descriptor, int stack_parameter_count,
+ CallDescriptor::Flags flags, Zone* zone) {
+ UNIMPLEMENTED();
+ return NULL;
+}
+
+
+CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
+ MachineSignature* sig) {
+ UNIMPLEMENTED();
+ return NULL;
+}
+#endif // !V8_TURBOFAN_BACKEND
+}
+}
+} // namespace v8::internal::compiler