zra@google.com
df2054dae7
R=fschneider@google.com, srdjan@google.com Review URL: https://codereview.chromium.org//22825023 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@27295 260f80e4-7a28-3924-810f-c04153c831b5
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(TARGET_ARCH_X64)
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#include "vm/runtime_entry.h"
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#include "vm/assembler.h"
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#include "vm/stub_code.h"
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namespace dart {
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#define __ assembler->
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// Generate code to call into the stub which will call the runtime
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// function. Input for the stub is as follows:
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// RSP : points to the arguments and return value array.
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// RBX : address of the runtime function to call.
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// R10 : number of arguments to the call.
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void RuntimeEntry::Call(Assembler* assembler, intptr_t argument_count) const {
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if (is_leaf()) {
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ASSERT(argument_count == this->argument_count());
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ExternalLabel label(name(), GetEntryPoint());
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__ call(&label);
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} else {
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// Argument count is not checked here, but in the runtime entry for a more
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// informative error message.
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__ movq(RBX, Immediate(GetEntryPoint()));
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__ movq(R10, Immediate(argument_count));
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__ Call(&StubCode::CallToRuntimeLabel(), PP);
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}
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_X64
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