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_TABLE:
  18     return "WASM_SYMBOL_TYPE_TABLE";
  19   case wasm::WASM_SYMBOL_TYPE_DATA:
  20     return "WASM_SYMBOL_TYPE_DATA";
  21   case wasm::WASM_SYMBOL_TYPE_SECTION:
  22     return "WASM_SYMBOL_TYPE_SECTION";
  23   case wasm::WASM_SYMBOL_TYPE_TAG:
  24     return "WASM_SYMBOL_TYPE_TAG";
  25   }
  26   llvm_unreachable("unknown symbol type");
  27 }
  28
  29 std::string llvm::wasm::relocTypetoString(uint32_t Type) {
  30   switch (Type) {
  31 #define WASM_RELOC(NAME, VALUE)                                                \
  32   case VALUE:                                                                  \
  33     return #NAME;
  34 #include "llvm/BinaryFormat/WasmRelocs.def"
  35 #undef WASM_RELOC
  36   default:
  37     llvm_unreachable("unknown reloc type");
  38   }
  39 }
  40
  41 bool llvm::wasm::relocTypeHasAddend(uint32_t Type) {
  42   switch (Type) {
  43   case R_WASM_MEMORY_ADDR_LEB:
  44   case R_WASM_MEMORY_ADDR_LEB64:
  45   case R_WASM_MEMORY_ADDR_SLEB:
  46   case R_WASM_MEMORY_ADDR_SLEB64:
  47   case R_WASM_MEMORY_ADDR_REL_SLEB:
  48   case R_WASM_MEMORY_ADDR_REL_SLEB64:
  49   case R_WASM_MEMORY_ADDR_I32:
  50   case R_WASM_MEMORY_ADDR_I64:
  51   case R_WASM_MEMORY_ADDR_TLS_SLEB:
  52   case R_WASM_MEMORY_ADDR_TLS_SLEB64:
  53   case R_WASM_FUNCTION_OFFSET_I32:
  54   case R_WASM_FUNCTION_OFFSET_I64:
  55   case R_WASM_SECTION_OFFSET_I32:
  56   case R_WASM_MEMORY_ADDR_LOCREL_I32:
  57     return true;
  58   default:
  59     return false;
  60   }
  61 }