// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_ARM_CODE_STUBS_ARM_H_
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#define V8_ARM_CODE_STUBS_ARM_H_
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namespace v8 {
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namespace internal {
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// Trampoline stub to call into native code. To call safely into native code
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// in the presence of compacting GC (which can move code objects) we need to
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// keep the code which called into native pinned in the memory. Currently the
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// simplest approach is to generate such stub early enough so it can never be
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// moved by GC
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class DirectCEntryStub: public PlatformCodeStub {
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public:
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explicit DirectCEntryStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
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void GenerateCall(MacroAssembler* masm, Register target);
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private:
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Movability NeedsImmovableCode() override { return kImmovable; }
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DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
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DEFINE_PLATFORM_CODE_STUB(DirectCEntry, PlatformCodeStub);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_ARM_CODE_STUBS_ARM_H_
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