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/*
* Copyright (C) 2006-2022 Apple Inc. All rights reserved.
* Copyright (C) 2007-2009 Torch Mobile, Inc.
* Copyright (C) 2010, 2011 Research In Motion Limited. 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.
*/
#pragma once
#ifndef WTF_PLATFORM_GUARD_AGAINST_INDIRECT_INCLUSION
#error "Please #include <wtf/Platform.h> instead of this file directly."
#endif
/* Macros for specifing specific calling conventions. */
#if OS(WINDOWS)
#define SYSV_ABI __attribute__((sysv_abi))
#else
#define SYSV_ABI
#endif
#if CPU(X86)
#define JSC_HOST_CALL_ATTRIBUTES __attribute__ ((fastcall))
#else
#define JSC_HOST_CALL_ATTRIBUTES SYSV_ABI
#endif
#define JSC_ANNOTATE_HOST_FUNCTION(functionId, function)
#define JSC_DEFINE_HOST_FUNCTION_WITH_ATTRIBUTES(functionName, attributes, parameters) \
JSC_ANNOTATE_HOST_FUNCTION(_JITTarget_##functionName, static_cast<JSC::EncodedJSValue(*)parameters>(functionName)); \
attributes JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES functionName parameters
#define JSC_DEFINE_HOST_FUNCTION(functionName, parameters) \
JSC_DEFINE_HOST_FUNCTION_WITH_ATTRIBUTES(functionName, , parameters)
#define JSC_DECLARE_HOST_FUNCTION(functionName) \
JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES functionName(JSC::JSGlobalObject*, JSC::CallFrame*)
#if CPU(X86) && OS(WINDOWS)
#define CALLING_CONVENTION_IS_STDCALL 1
#else
#define CALLING_CONVENTION_IS_STDCALL 0
#endif
#ifndef CDECL
#if !OS(WINDOWS)
#define CDECL
#else
#define CDECL __attribute__ ((cdecl))
#endif
#endif
#if CPU(X86)
#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 1
#ifndef FASTCALL
#define FASTCALL __attribute__ ((fastcall))
#endif
#else
#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 0
#endif
#if ENABLE(JIT) && CALLING_CONVENTION_IS_STDCALL
#define JIT_OPERATION_ATTRIBUTES CDECL
#elif OS(WINDOWS)
#define JIT_OPERATION_ATTRIBUTES SYSV_ABI
#else
#define JIT_OPERATION_ATTRIBUTES
#endif
#if ENABLE(JIT_OPERATION_VALIDATION) || ENABLE(JIT_OPERATION_DISASSEMBLY)
#if ENABLE(JIT_OPERATION_VALIDATION)
#define JSC_ANNOTATE_JIT_OPERATION_EXTRAS(validateFunction) (void*)validateFunction
#else
#define JSC_ANNOTATE_JIT_OPERATION_EXTRAS(validateFunction)
#endif
#define JSC_ANNOTATE_JIT_OPERATION_INTERNAL(function) \
constexpr JSC::JITOperationAnnotation _JITTargetID_##function __attribute__((used, section("__DATA_CONST,__jsc_ops"))) = { (void*)function, JSC_ANNOTATE_JIT_OPERATION_EXTRAS(function##Validate) };
#define JSC_ANNOTATE_JIT_OPERATION(function) \
JSC_DECLARE_AND_DEFINE_JIT_OPERATION_VALIDATION(function); \
JSC_ANNOTATE_JIT_OPERATION_INTERNAL(function)
#define JSC_ANNOTATE_JIT_OPERATION_PROBE(function) \
JSC_DECLARE_AND_DEFINE_JIT_OPERATION_PROBE_VALIDATION(function); \
JSC_ANNOTATE_JIT_OPERATION_INTERNAL(function)
#define JSC_ANNOTATE_JIT_OPERATION_RETURN(function) \
JSC_DECLARE_AND_DEFINE_JIT_OPERATION_RETURN_VALIDATION(function); \
JSC_ANNOTATE_JIT_OPERATION_INTERNAL(function)
#else // not (ENABLE(JIT_OPERATION_VALIDATION) || ENABLE(JIT_OPERATION_DISASSEMBLY))
#define JSC_ANNOTATE_JIT_OPERATION(function)
#define JSC_ANNOTATE_JIT_OPERATION_PROBE(function)
#define JSC_ANNOTATE_JIT_OPERATION_RETURN(function)
#endif // ENABLE(JIT_OPERATION_VALIDATION) || ENABLE(JIT_OPERATION_DISASSEMBLY)
#define JSC_DEFINE_JIT_OPERATION_WITHOUT_VARIABLE_IMPL(functionName, returnType, parameters) \
returnType JIT_OPERATION_ATTRIBUTES functionName parameters
#define JSC_DEFINE_JIT_OPERATION_WITH_ATTRIBUTES_IMPL(functionName, attributes, returnType, parameters) \
JSC_ANNOTATE_JIT_OPERATION(functionName); \
attributes returnType JIT_OPERATION_ATTRIBUTES functionName parameters
#define JSC_DEFINE_JIT_OPERATION_IMPL(functionName, returnType, parameters) \
JSC_DEFINE_JIT_OPERATION_WITH_ATTRIBUTES_IMPL(functionName, , returnType, parameters)
#define JSC_DECLARE_JIT_OPERATION_WITH_ATTRIBUTES_IMPL(functionName, attributes, returnType, parameters) \
extern "C" attributes returnType JIT_OPERATION_ATTRIBUTES functionName parameters REFERENCED_FROM_ASM WTF_INTERNAL; \
JSC_DECLARE_JIT_OPERATION_VALIDATION(functionName) \
#define JSC_DECLARE_JIT_OPERATION_IMPL(functionName, returnType, parameters) \
JSC_DECLARE_JIT_OPERATION_WITH_ATTRIBUTES_IMPL(functionName, , returnType, parameters)
#define JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL_IMPL(functionName, returnType, parameters) \
returnType JIT_OPERATION_ATTRIBUTES functionName parameters REFERENCED_FROM_ASM
#define JSC_DECLARE_CUSTOM_GETTER(functionName) JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL_IMPL(functionName, JSC::EncodedJSValue, (JSC::JSGlobalObject*, JSC::EncodedJSValue, JSC::PropertyName))
#define JSC_DECLARE_CUSTOM_SETTER(functionName) JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL_IMPL(functionName, bool, (JSC::JSGlobalObject*, JSC::EncodedJSValue, JSC::EncodedJSValue, JSC::PropertyName))
#define JSC_DEFINE_CUSTOM_GETTER(functionName, parameters) JSC_DEFINE_JIT_OPERATION_WITHOUT_VARIABLE_IMPL(functionName, JSC::EncodedJSValue, parameters)
#define JSC_DEFINE_CUSTOM_SETTER(functionName, parameters) JSC_DEFINE_JIT_OPERATION_WITHOUT_VARIABLE_IMPL(functionName, bool, parameters)
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