1// Copyright 2017 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
6#define V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
7
8#include "src/builtins/builtins.h"
9#include "src/codegen/interface-descriptors.h"
10#include "src/compiler/code-assembler.h"
11#include "src/objects/shared-function-info.h"
12
13namespace v8 {
14namespace internal {
15
16// Define interface descriptors for builtins with JS linkage.
17#define DEFINE_TFJ_INTERFACE_DESCRIPTOR(Name, Argc, ...)                 \
18  struct Builtin_##Name##_InterfaceDescriptor {                          \
19    enum ParameterIndices {                                              \
20      kJSTarget = compiler::CodeAssembler::kTargetParameterIndex,        \
21      ##__VA_ARGS__,                                                     \
22      kJSNewTarget,                                                      \
23      kJSActualArgumentsCount,                                           \
24      kContext,                                                          \
25      kParameterCount,                                                   \
26    };                                                                   \
27    static_assert((Argc) == static_cast<uint16_t>(kParameterCount - 4 +  \
28                                                  kJSArgcReceiverSlots), \
29                  "Inconsistent set of arguments");                      \
30    static_assert(kJSTarget == -1, "Unexpected kJSTarget index value");  \
31  };
32
33// Define interface descriptors for builtins with StubCall linkage.
34#define DEFINE_TFC_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
35  using Builtin_##Name##_InterfaceDescriptor = InterfaceDescriptor##Descriptor;
36
37#define DEFINE_TFS_INTERFACE_DESCRIPTOR(Name, ...) \
38  using Builtin_##Name##_InterfaceDescriptor = Name##Descriptor;
39
40// Define interface descriptors for IC handlers/dispatchers.
41#define DEFINE_TFH_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
42  using Builtin_##Name##_InterfaceDescriptor = InterfaceDescriptor##Descriptor;
43
44#define DEFINE_ASM_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
45  using Builtin_##Name##_InterfaceDescriptor = InterfaceDescriptor##Descriptor;
46
47BUILTIN_LIST(IGNORE_BUILTIN, DEFINE_TFJ_INTERFACE_DESCRIPTOR,
48             DEFINE_TFC_INTERFACE_DESCRIPTOR, DEFINE_TFS_INTERFACE_DESCRIPTOR,
49             DEFINE_TFH_INTERFACE_DESCRIPTOR, IGNORE_BUILTIN,
50             DEFINE_ASM_INTERFACE_DESCRIPTOR)
51
52#undef DEFINE_TFJ_INTERFACE_DESCRIPTOR
53#undef DEFINE_TFC_INTERFACE_DESCRIPTOR
54#undef DEFINE_TFS_INTERFACE_DESCRIPTOR
55#undef DEFINE_TFH_INTERFACE_DESCRIPTOR
56#undef DEFINE_ASM_INTERFACE_DESCRIPTOR
57
58}  // namespace internal
59}  // namespace v8
60
61#endif  // V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
62