| 1 | /* |
| 2 | * Copyright (C) 2016 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "FTLSnippetParams.h" |
| 28 | |
| 29 | #if ENABLE(FTL_JIT) |
| 30 | |
| 31 | #include "AllowMacroScratchRegisterUsage.h" |
| 32 | #include "FTLSlowPathCall.h" |
| 33 | #include "FTLState.h" |
| 34 | |
| 35 | namespace JSC { namespace FTL { |
| 36 | |
| 37 | template<typename OperationType, typename ResultType, typename Arguments, size_t... ArgumentsIndex> |
| 38 | 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...>) |
| 39 | { |
| 40 | CCallHelpers::Label done = jit.label(); |
| 41 | params.addLatePath([=] (CCallHelpers& jit) { |
| 42 | AllowMacroScratchRegisterUsage allowScratch(jit); |
| 43 | |
| 44 | from.link(&jit); |
| 45 | callOperation( |
| 46 | *state, params.unavailableRegisters(), jit, node->origin.semantic, |
| 47 | exceptions.get(), operation, extractResult(result), std::get<ArgumentsIndex>(arguments)...); |
| 48 | jit.jump().linkTo(done, &jit); |
| 49 | }); |
| 50 | } |
| 51 | |
| 52 | #define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) \ |
| 53 | void SnippetParams::addSlowPathCallImpl(CCallHelpers::JumpList from, CCallHelpers& jit, OperationType operation, ResultType result, std::tuple<__VA_ARGS__> args) \ |
| 54 | { \ |
| 55 | dispatch(jit, &m_state, m_params, m_node, m_exceptions, from, operation, result, args, std::make_index_sequence<std::tuple_size<decltype(args)>::value>()); \ |
| 56 | } \ |
| 57 | |
| 58 | SNIPPET_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS) |
| 59 | #undef JSC_DEFINE_CALL_OPERATIONS |
| 60 | |
| 61 | } } |
| 62 | |
| 63 | #endif |
| 64 | |