darling-JavaScriptCore/ftl/FTLSnippetParams.cpp

63 lines
2.8 KiB
C++

/*
* 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 "FTLSnippetParams.h"
#if ENABLE(FTL_JIT)
#include "AllowMacroScratchRegisterUsage.h"
#include "FTLSlowPathCall.h"
namespace JSC { namespace FTL {
template<typename OperationType, typename ResultType, typename Arguments, size_t... ArgumentsIndex>
static void dispatch(CCallHelpers& jit, FTL::State* state, const B3::StackmapGenerationParams& params, DFG::Node* node, Box<CCallHelpers::JumpList> exceptions, CCallHelpers::JumpList from, OperationType operation, ResultType result, Arguments arguments, std::index_sequence<ArgumentsIndex...>)
{
CCallHelpers::Label done = jit.label();
params.addLatePath([=] (CCallHelpers& jit) {
AllowMacroScratchRegisterUsage allowScratch(jit);
from.link(&jit);
callOperation(
*state, params.unavailableRegisters(), jit, node->origin.semantic,
exceptions.get(), operation, extractResult(result), std::get<ArgumentsIndex>(arguments)...);
jit.jump().linkTo(done, &jit);
});
}
#define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) \
void SnippetParams::addSlowPathCallImpl(CCallHelpers::JumpList from, CCallHelpers& jit, OperationType operation, ResultType result, std::tuple<__VA_ARGS__> args) \
{ \
dispatch(jit, &m_state, m_params, m_node, m_exceptions, from, operation, result, args, std::make_index_sequence<std::tuple_size<decltype(args)>::value>()); \
} \
SNIPPET_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS)
#undef JSC_DEFINE_CALL_OPERATIONS
} }
#endif