111 lines
5.0 KiB
C++
111 lines
5.0 KiB
C++
/*
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* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2007-2009 Torch Mobile, Inc.
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* Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#ifndef WTF_PLATFORM_GUARD_AGAINST_INDIRECT_INCLUSION
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#error "Please #include <wtf/Platform.h> instead of this file directly."
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#endif
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/* Macros for specifing specific calling conventions. */
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#if CPU(X86) && COMPILER(MSVC)
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#define JSC_HOST_CALL_ATTRIBUTES __fastcall
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#elif CPU(X86) && COMPILER(GCC_COMPATIBLE)
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#define JSC_HOST_CALL_ATTRIBUTES __attribute__ ((fastcall))
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#else
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#define JSC_HOST_CALL_ATTRIBUTES
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#endif
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#define JSC_ANNOTATE_HOST_FUNCTION(functionId, function)
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#define JSC_DEFINE_HOST_FUNCTION_WITH_ATTRIBUTES(functionName, attributes, parameters) \
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JSC_ANNOTATE_HOST_FUNCTION(_JITTarget_##functionName, static_cast<JSC::EncodedJSValue(*)parameters>(functionName)); \
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attributes JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES functionName parameters
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#define JSC_DEFINE_HOST_FUNCTION(functionName, parameters) \
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JSC_DEFINE_HOST_FUNCTION_WITH_ATTRIBUTES(functionName, , parameters)
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#define JSC_DECLARE_HOST_FUNCTION(functionName) \
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JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES functionName(JSC::JSGlobalObject*, JSC::CallFrame*)
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#if CPU(X86) && OS(WINDOWS)
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#define CALLING_CONVENTION_IS_STDCALL 1
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#ifndef CDECL
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#if COMPILER(MSVC)
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#define CDECL __cdecl
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#else
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#define CDECL __attribute__ ((__cdecl))
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#endif
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#endif
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#else
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#define CALLING_CONVENTION_IS_STDCALL 0
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#endif
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#if CPU(X86)
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#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 1
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#ifndef FASTCALL
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#if COMPILER(MSVC)
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#define FASTCALL __fastcall
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#else
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#define FASTCALL __attribute__ ((fastcall))
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#endif
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#endif
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#else
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#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 0
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#endif
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#if ENABLE(JIT) && CALLING_CONVENTION_IS_STDCALL
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#define JIT_OPERATION_ATTRIBUTES CDECL
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#else
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#define JIT_OPERATION_ATTRIBUTES
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#endif
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#if ENABLE(JIT_OPERATION_VALIDATION)
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#define JSC_ANNOTATE_JIT_OPERATION(functionId, function) \
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constexpr auto functionId __attribute__((used, section("__DATA_CONST,__jsc_ops"))) = function;
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#else
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#define JSC_ANNOTATE_JIT_OPERATION(functionId, function)
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#endif
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#define JSC_DEFINE_JIT_OPERATION_WITHOUT_VARIABLE(functionName, returnType, parameters) \
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returnType JIT_OPERATION_ATTRIBUTES functionName parameters
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#define JSC_DEFINE_JIT_OPERATION_WITH_ATTRIBUTES(functionName, attributes, returnType, parameters) \
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JSC_ANNOTATE_JIT_OPERATION(_JITTarget_##functionName, static_cast<returnType(*)parameters>(functionName)); \
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attributes returnType JIT_OPERATION_ATTRIBUTES functionName parameters
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#define JSC_DEFINE_JIT_OPERATION(functionName, returnType, parameters) \
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JSC_DEFINE_JIT_OPERATION_WITH_ATTRIBUTES(functionName, , returnType, parameters)
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#define JSC_DECLARE_JIT_OPERATION(functionName, returnType, parameters) \
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returnType JIT_OPERATION_ATTRIBUTES functionName parameters REFERENCED_FROM_ASM WTF_INTERNAL
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#define JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL(functionName, returnType, parameters) \
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returnType JIT_OPERATION_ATTRIBUTES functionName parameters REFERENCED_FROM_ASM
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#define JSC_DECLARE_CUSTOM_GETTER(functionName) JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL(functionName, JSC::EncodedJSValue, (JSC::JSGlobalObject*, JSC::EncodedJSValue, JSC::PropertyName))
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#define JSC_DECLARE_CUSTOM_SETTER(functionName) JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL(functionName, bool, (JSC::JSGlobalObject*, JSC::EncodedJSValue, JSC::EncodedJSValue, JSC::PropertyName))
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#define JSC_DEFINE_CUSTOM_GETTER(functionName, parameters) JSC_DEFINE_JIT_OPERATION_WITHOUT_VARIABLE(functionName, JSC::EncodedJSValue, parameters)
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#define JSC_DEFINE_CUSTOM_SETTER(functionName, parameters) JSC_DEFINE_JIT_OPERATION_WITHOUT_VARIABLE(functionName, bool, parameters)
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