Index: src/compiler/interpreter-linkage.cc |
diff --git a/src/compiler/interpreter-linkage.cc b/src/compiler/interpreter-linkage.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..20211f35fd3aa6ec3b84573576594806fcb4f99c |
--- /dev/null |
+++ b/src/compiler/interpreter-linkage.cc |
@@ -0,0 +1,48 @@ |
+// 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 int
|
+} |
+} |