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/*
* Copyright (C) 2020-2022 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.
*/
#pragma once
namespace JSC {
#if ENABLE(JIT_OPERATION_VALIDATION) || ENABLE(JIT_OPERATION_DISASSEMBLY) || CPU(ARM64E)
#define JSC_UTILITY_GATES(v) \
v(jitCagePtr, NoPtrTag) \
v(tailCallJSEntryPtrTag, NoPtrTag) \
v(tailCallJSEntrySlowPathPtrTag, NoPtrTag) \
v(tailCallWithoutUntagJSEntryPtrTag, NoPtrTag) \
v(loopOSREntry, NoPtrTag) \
v(entryOSREntry, NoPtrTag) \
v(wasmOSREntry, NoPtrTag) \
v(wasmTailCallWasmEntryPtrTag, NoPtrTag) \
v(wasmIPIntTailCallWasmEntryPtrTag, NoPtrTag) \
v(exceptionHandler, NoPtrTag) \
v(returnFromLLInt, NoPtrTag) \
v(llint_function_for_call_arity_checkUntag, NoPtrTag) \
v(llint_function_for_call_arity_checkTag, NoPtrTag) \
v(llint_function_for_construct_arity_checkUntag, NoPtrTag) \
v(llint_function_for_construct_arity_checkTag, NoPtrTag) \
v(vmEntryToJavaScript, JSEntryPtrTag) \
#define JSC_JS_GATE_OPCODES(v) \
v(op_call, JSEntryPtrTag) \
v(op_call_ignore_result, JSEntryPtrTag) \
v(op_construct, JSEntryPtrTag) \
v(op_super_construct, JSEntryPtrTag) \
v(op_iterator_next, JSEntryPtrTag) \
v(op_iterator_open, JSEntryPtrTag) \
v(op_call_varargs, JSEntryPtrTag) \
v(op_construct_varargs, JSEntryPtrTag) \
v(op_super_construct_varargs, JSEntryPtrTag) \
v(op_call_direct_eval_slow, JSEntrySlowPathPtrTag) \
#if ENABLE(WEBASSEMBLY)
#define JSC_WASM_GATE_OPCODES(v) \
v(wasm_call, WasmEntryPtrTag) \
v(wasm_call_indirect, WasmEntryPtrTag) \
v(wasm_call_ref, WasmEntryPtrTag) \
v(wasm_ipint_call, WasmEntryPtrTag) \
#else
#define JSC_WASM_GATE_OPCODES(v)
#endif
enum class Gate : uint8_t {
#define JSC_DEFINE_GATE_ENUM(gateName, tag) gateName,
#define JSC_DEFINE_OPCODE_GATE_ENUM(gateName, tag) gateName, gateName##_wide16, gateName##_wide32,
JSC_UTILITY_GATES(JSC_DEFINE_GATE_ENUM)
JSC_JS_GATE_OPCODES(JSC_DEFINE_OPCODE_GATE_ENUM)
JSC_WASM_GATE_OPCODES(JSC_DEFINE_OPCODE_GATE_ENUM)
#undef JSC_DEFINE_GATE_ENUM
};
#define JSC_COUNT(gateName, tag) + 1
#define JSC_OPCODE_COUNT(gateName, tag) + 3
static constexpr unsigned numberOfGates = 0 JSC_UTILITY_GATES(JSC_COUNT) JSC_JS_GATE_OPCODES(JSC_OPCODE_COUNT) JSC_WASM_GATE_OPCODES(JSC_OPCODE_COUNT);
#undef JSC_COUNT
#undef JSC_OPCODE_COUNT
#else // not (ENABLE(JIT_OPERATION_VALIDATION) || ENABLE(JIT_OPERATION_DISASSEMBLY) || CPU(ARM64E))
// Keep it non-zero to make JSCConfig's array not [0].
static constexpr unsigned numberOfGates = 1;
#endif // ENABLE(JIT_OPERATION_VALIDATION) || ENABLE(JIT_OPERATION_DISASSEMBLY) || CPU(ARM64E)
} // namespace JSC
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