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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
#define V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
#include "src/builtins/builtins.h"
#include "src/codegen/interface-descriptors.h"
#include "src/compiler/code-assembler.h"
#include "src/objects/shared-function-info.h"
namespace v8 {
namespace internal {
#define REVERSE_0(a) a,
#define REVERSE_1(a, b) b, a,
#define REVERSE_2(a, b, c) c, b, a,
#define REVERSE_3(a, b, c, d) d, c, b, a,
#define REVERSE_4(a, b, c, d, e) e, d, c, b, a,
#define REVERSE_5(a, b, c, d, e, f) f, e, d, c, b, a,
#define REVERSE_6(a, b, c, d, e, f, g) g, f, e, d, c, b, a,
#define REVERSE_7(a, b, c, d, e, f, g, h) h, g, f, e, d, c, b, a,
#define REVERSE_8(a, b, c, d, e, f, g, h, i) i, h, g, f, e, d, c, b, a,
#define REVERSE_kDontAdaptArgumentsSentinel(...)
#define REVERSE(N, ...) REVERSE_##N(__VA_ARGS__)
// Define interface descriptors for builtins with JS linkage.
#ifdef V8_REVERSE_JSARGS
#define DEFINE_TFJ_INTERFACE_DESCRIPTOR(Name, Argc, ...) \
struct Builtin_##Name##_InterfaceDescriptor { \
enum ParameterIndices { \
kJSTarget = compiler::CodeAssembler::kTargetParameterIndex, \
REVERSE_##Argc(__VA_ARGS__) kJSNewTarget, \
kJSActualArgumentsCount, \
kContext, \
kParameterCount, \
}; \
static_assert((Argc) == static_cast<uint16_t>(kParameterCount - 4), \
"Inconsistent set of arguments"); \
static_assert(kJSTarget == -1, "Unexpected kJSTarget index value"); \
};
#else
#define DEFINE_TFJ_INTERFACE_DESCRIPTOR(Name, Argc, ...) \
struct Builtin_##Name##_InterfaceDescriptor { \
enum ParameterIndices { \
kJSTarget = compiler::CodeAssembler::kTargetParameterIndex, \
##__VA_ARGS__, \
kJSNewTarget, \
kJSActualArgumentsCount, \
kContext, \
kParameterCount, \
}; \
static_assert((Argc) == static_cast<uint16_t>(kParameterCount - 4), \
"Inconsistent set of arguments"); \
static_assert(kJSTarget == -1, "Unexpected kJSTarget index value"); \
};
#endif
// Define interface descriptors for builtins with StubCall linkage.
#define DEFINE_TFC_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
using Builtin_##Name##_InterfaceDescriptor = InterfaceDescriptor##Descriptor;
#define DEFINE_TFS_INTERFACE_DESCRIPTOR(Name, ...) \
using Builtin_##Name##_InterfaceDescriptor = Name##Descriptor;
// Define interface descriptors for IC handlers/dispatchers.
#define DEFINE_TFH_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
using Builtin_##Name##_InterfaceDescriptor = InterfaceDescriptor##Descriptor;
#define DEFINE_ASM_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
using Builtin_##Name##_InterfaceDescriptor = InterfaceDescriptor##Descriptor;
BUILTIN_LIST(IGNORE_BUILTIN, DEFINE_TFJ_INTERFACE_DESCRIPTOR,
DEFINE_TFC_INTERFACE_DESCRIPTOR, DEFINE_TFS_INTERFACE_DESCRIPTOR,
DEFINE_TFH_INTERFACE_DESCRIPTOR, IGNORE_BUILTIN,
DEFINE_ASM_INTERFACE_DESCRIPTOR)
#undef DEFINE_TFJ_INTERFACE_DESCRIPTOR
#undef DEFINE_TFC_INTERFACE_DESCRIPTOR
#undef DEFINE_TFS_INTERFACE_DESCRIPTOR
#undef DEFINE_TFH_INTERFACE_DESCRIPTOR
#undef DEFINE_ASM_INTERFACE_DESCRIPTOR
} // namespace internal
} // namespace v8
#endif // V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
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