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// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/globals.h"
#if defined(TARGET_ARCH_ARM64)
#include "vm/runtime_entry.h"
#include "vm/simulator.h"
#include "vm/stub_code.h"
#if !defined(DART_PRECOMPILED_RUNTIME)
#include "vm/compiler/assembler/assembler.h"
#endif // !defined(DART_PRECOMPILED_RUNTIME)
namespace dart {
#define __ assembler->
uword RuntimeEntry::GetEntryPoint() const {
// Compute the effective address. When running under the simulator,
// this is a redirection address that forces the simulator to call
// into the runtime system.
uword entry = reinterpret_cast<uword>(function());
#if defined(USING_SIMULATOR)
// Redirection to leaf runtime calls supports a maximum of 4 arguments passed
// in registers (maximum 2 double arguments for leaf float runtime calls).
ASSERT(argument_count() >= 0);
ASSERT(!is_leaf() || (!is_float() && (argument_count() <= 4)) ||
(argument_count() <= 2));
Simulator::CallKind call_kind =
is_leaf() ? (is_float() ? Simulator::kLeafFloatRuntimeCall
: Simulator::kLeafRuntimeCall)
: Simulator::kRuntimeCall;
entry =
Simulator::RedirectExternalReference(entry, call_kind, argument_count());
#endif
return entry;
}
} // namespace dart
#endif // defined TARGET_ARCH_ARM64