[turbofan] Remove architecture-specific linkage files and LinkageTraits. Use macro-assembler-define…

src/compiler/interpreter-linkage.cc

+// Copyright 2015 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/assembler.h"
+#include "src/macro-assembler.h"
+
+#include "src/compiler/linkage.h"
+#include "src/compiler/linkage-impl.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
+  MachineSignature::Builder types(zone, 0, 3);
+  LocationSignature::Builder locations(zone, 0, 3);
+
+  // Add registers for fixed parameters passed via interpreter dispatch.
+  STATIC_ASSERT(0 == Linkage::kInterpreterBytecodeOffsetParameter);
+  types.AddParam(kMachIntPtr);
+  locations.AddParam(regloc(kInterpreterBytecodeOffsetRegister));
+
+  STATIC_ASSERT(1 == Linkage::kInterpreterBytecodeArrayParameter);
+  types.AddParam(kMachAnyTagged);
+  locations.AddParam(regloc(kInterpreterBytecodeArrayRegister));
+
+  STATIC_ASSERT(2 == Linkage::kInterpreterDispatchTableParameter);
+  types.AddParam(kMachPtr);
+  locations.AddParam(regloc(kInterpreterDispatchTableRegister));
+
+  LinkageLocation target_loc = LinkageLocation::ForAnyRegister();
+  return new (zone) CallDescriptor(          // --
+      CallDescriptor::kInterpreterDispatch,  // kind
+      kMachNone,                             // target MachineType
+      target_loc,                            // target location
+      types.Build(),                         // machine_sig
+      locations.Build(),                     // location_sig
+      0,                                     // stack_parameter_count
+      Operator::kNoProperties,               // properties
+      kNoCalleeSaved,                        // callee-saved registers
+      kNoCalleeSaved,                        // callee-saved fp regs
+      CallDescriptor::kSupportsTailCalls,    // flags
+      "interpreter-dispatch");
+}
+}

[Michael Starzinger, 2015/08/07 07:59:02]

nit:

}  // namespace compiler
}  // namespace internal
}  // namespace v8

+}
+}