| /* |
| * Copyright (C) 2016 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WasmCallingConvention.h" |
| |
| #if ENABLE(WEBASSEMBLY) |
| |
| #include <wtf/NeverDestroyed.h> |
| |
| namespace JSC { namespace Wasm { |
| |
| const JSCCallingConvention& jscCallingConvention() |
| { |
| static LazyNeverDestroyed<JSCCallingConvention> staticJSCCallingConvention; |
| static std::once_flag staticJSCCallingConventionFlag; |
| std::call_once(staticJSCCallingConventionFlag, [] () { |
| staticJSCCallingConvention.construct(Vector<Reg>(), Vector<Reg>(), RegisterSet::calleeSaveRegisters()); |
| }); |
| |
| return staticJSCCallingConvention; |
| } |
| |
| const WasmCallingConvention& wasmCallingConvention() |
| { |
| static LazyNeverDestroyed<JSCCallingConvention> staticWasmCallingConvention; |
| static std::once_flag staticWasmCallingConventionFlag; |
| std::call_once(staticWasmCallingConventionFlag, [] () { |
| Vector<Reg> gprArgumentRegisters(GPRInfo::numberOfArgumentRegisters); |
| for (unsigned i = 0; i < GPRInfo::numberOfArgumentRegisters; ++i) |
| gprArgumentRegisters[i] = GPRInfo::toArgumentRegister(i); |
| |
| Vector<Reg> fprArgumentRegisters(FPRInfo::numberOfArgumentRegisters); |
| for (unsigned i = 0; i < FPRInfo::numberOfArgumentRegisters; ++i) |
| fprArgumentRegisters[i] = FPRInfo::toArgumentRegister(i); |
| |
| staticWasmCallingConvention.construct(WTFMove(gprArgumentRegisters), WTFMove(fprArgumentRegisters), RegisterSet::calleeSaveRegisters()); |
| }); |
| |
| return staticWasmCallingConvention; |
| } |
| |
| const JSCCallingConventionAir& jscCallingConventionAir() |
| { |
| static LazyNeverDestroyed<JSCCallingConventionAir> staticJSCCallingConvention; |
| static std::once_flag staticJSCCallingConventionFlag; |
| std::call_once(staticJSCCallingConventionFlag, [] () { |
| staticJSCCallingConvention.construct(Vector<Reg>(), Vector<Reg>(), RegisterSet::calleeSaveRegisters()); |
| }); |
| |
| return staticJSCCallingConvention; |
| } |
| |
| const WasmCallingConventionAir& wasmCallingConventionAir() |
| { |
| static LazyNeverDestroyed<WasmCallingConventionAir> staticWasmCallingConvention; |
| static std::once_flag staticWasmCallingConventionFlag; |
| std::call_once(staticWasmCallingConventionFlag, [] () { |
| Vector<Reg> gprArgumentRegisters(GPRInfo::numberOfArgumentRegisters); |
| for (unsigned i = 0; i < GPRInfo::numberOfArgumentRegisters; ++i) |
| gprArgumentRegisters[i] = GPRInfo::toArgumentRegister(i); |
| |
| Vector<Reg> fprArgumentRegisters(FPRInfo::numberOfArgumentRegisters); |
| for (unsigned i = 0; i < FPRInfo::numberOfArgumentRegisters; ++i) |
| fprArgumentRegisters[i] = FPRInfo::toArgumentRegister(i); |
| |
| staticWasmCallingConvention.construct(WTFMove(gprArgumentRegisters), WTFMove(fprArgumentRegisters), RegisterSet::calleeSaveRegisters()); |
| }); |
| |
| return staticWasmCallingConvention; |
| } |
| |
| } } // namespace JSC::Wasm |
| |
| #endif // ENABLE(B3_JIT) |