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llvm-mirror/tools/llvm-objdump/WasmDump.cpp
Heejin Ahn f857e44c40 [WebAssembly] clang-tidy (NFC)
Summary:
This patch fixes clang-tidy warnings on wasm-only files.
The list of checks used is:
`-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,readability-identifier-naming,modernize-*`
(LLVM's default .clang-tidy list is the same except it does not have
`modernize-*`. But I've seen in multiple CLs in LLVM the modernize style
was recommended and code was fixed based on the style, so I added it as
well.)

The common fixes are:
- Variable names start with an uppercase letter
- Function names start with a lowercase letter
- Use `auto` when you use casts so the type is evident
- Use inline initialization for class member variables
- Use `= default` for empty constructors / destructors
- Use `using` in place of `typedef`

Reviewers: sbc100, tlively, aardappel

Subscribers: dschuff, sunfish, jgravelle-google, yurydelendik, kripken, MatzeB, mgorny, rupprecht, llvm-commits

Differential Revision: https://reviews.llvm.org/D57500

llvm-svn: 353075
2019-02-04 19:13:39 +00:00

53 lines
1.8 KiB
C++

//===-- WasmDump.cpp - wasm-specific dumper ---------------------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements the wasm-specific dumper for llvm-objdump.
///
//===----------------------------------------------------------------------===//
#include "llvm-objdump.h"
#include "llvm/Object/Wasm.h"
using namespace llvm;
using namespace object;
void llvm::printWasmFileHeader(const object::ObjectFile *Obj) {
const auto *File = dyn_cast<const WasmObjectFile>(Obj);
outs() << "Program Header:\n";
outs() << "Version: 0x";
outs().write_hex(File->getHeader().Version);
outs() << "\n";
}
std::error_code
llvm::getWasmRelocationValueString(const WasmObjectFile *Obj,
const RelocationRef &RelRef,
SmallVectorImpl<char> &Result) {
const wasm::WasmRelocation &Rel = Obj->getWasmRelocation(RelRef);
symbol_iterator SI = RelRef.getSymbol();
std::string FmtBuf;
raw_string_ostream Fmt(FmtBuf);
if (SI == Obj->symbol_end()) {
// Not all wasm relocations have symbols associated with them.
// In particular R_WASM_TYPE_INDEX_LEB.
Fmt << Rel.Index;
} else {
Expected<StringRef> SymNameOrErr = SI->getName();
if (!SymNameOrErr)
return errorToErrorCode(SymNameOrErr.takeError());
StringRef SymName = *SymNameOrErr;
Result.append(SymName.begin(), SymName.end());
}
Fmt << (Rel.Addend < 0 ? "" : "+") << Rel.Addend;
Fmt.flush();
Result.append(FmtBuf.begin(), FmtBuf.end());
return std::error_code();
}