contrib/llvm-project/llvm/lib/BinaryFormat/Wasm.cpp

   1 //===-- llvm/BinaryFormat/Wasm.cpp -------------------------------*- C++-*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/BinaryFormat/Wasm.h"
  10
  11 std::string llvm::wasm::toString(wasm::WasmSymbolType Type) {
  12   switch (Type) {
  13   case wasm::WASM_SYMBOL_TYPE_FUNCTION:
  14     return "WASM_SYMBOL_TYPE_FUNCTION";
  15   case wasm::WASM_SYMBOL_TYPE_GLOBAL:
  16     return "WASM_SYMBOL_TYPE_GLOBAL";
  17   case wasm::WASM_SYMBOL_TYPE_DATA:
  18     return "WASM_SYMBOL_TYPE_DATA";
  19   case wasm::WASM_SYMBOL_TYPE_SECTION:
  20     return "WASM_SYMBOL_TYPE_SECTION";
  21   case wasm::WASM_SYMBOL_TYPE_EVENT:
  22     return "WASM_SYMBOL_TYPE_EVENT";
  23   }
  24   llvm_unreachable("unknown symbol type");
  25 }
  26
  27 std::string llvm::wasm::relocTypetoString(uint32_t Type) {
  28   switch (Type) {
  29 #define WASM_RELOC(NAME, VALUE)                                                \
  30   case VALUE:                                                                  \
  31     return #NAME;
  32 #include "llvm/BinaryFormat/WasmRelocs.def"
  33 #undef WASM_RELOC
  34   default:
  35     llvm_unreachable("unknown reloc type");
  36   }
  37 }
  38
  39 bool llvm::wasm::relocTypeHasAddend(uint32_t Type) {
  40   switch (Type) {
  41   case R_WASM_MEMORY_ADDR_LEB:
  42   case R_WASM_MEMORY_ADDR_SLEB:
  43   case R_WASM_MEMORY_ADDR_REL_SLEB:
  44   case R_WASM_MEMORY_ADDR_I32:
  45   case R_WASM_FUNCTION_OFFSET_I32:
  46   case R_WASM_SECTION_OFFSET_I32:
  47     return true;
  48   default:
  49     return false;
  50   }
  51 }