| //===- InputTable.h --------------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLD_WASM_INPUT_TABLE_H |
| #define LLD_WASM_INPUT_TABLE_H |
| |
| #include "Config.h" |
| #include "InputFiles.h" |
| #include "WriterUtils.h" |
| #include "lld/Common/ErrorHandler.h" |
| #include "llvm/Object/Wasm.h" |
| |
| namespace lld { |
| namespace wasm { |
| |
| // Represents a single Wasm Table within an input file. These are combined to |
| // form the final TABLES section. |
| class InputTable { |
| public: |
| InputTable(const WasmTable &t, ObjFile *f) |
| : file(f), table(t), live(!config->gcSections) {} |
| |
| StringRef getName() const { return table.SymbolName; } |
| const WasmTableType &getType() const { return table.Type; } |
| |
| // Somewhat confusingly, we generally use the term "table index" to refer to |
| // the offset of a function in the well-known indirect function table. We |
| // refer to different tables instead by "table numbers". |
| uint32_t getTableNumber() const { return tableNumber.getValue(); } |
| bool hasTableNumber() const { return tableNumber.hasValue(); } |
| void setTableNumber(uint32_t n) { |
| assert(!hasTableNumber()); |
| tableNumber = n; |
| } |
| |
| void setLimits(const WasmLimits &limits) { table.Type.Limits = limits; } |
| |
| ObjFile *file; |
| WasmTable table; |
| |
| bool live = false; |
| |
| protected: |
| llvm::Optional<uint32_t> tableNumber; |
| }; |
| |
| } // namespace wasm |
| |
| inline std::string toString(const wasm::InputTable *t) { |
| return (toString(t->file) + ":(" + t->getName() + ")").str(); |
| } |
| |
| } // namespace lld |
| |
| #endif // LLD_WASM_INPUT_TABLE_H |