llvm-capstone/lld/wasm/WriterUtils.h
Sam Clegg c94d393ad5 [WebAssembly] Initial wasm linker implementation
This linker backend is still a work in progress but is
enough to link simple programs including linking against
library archives.

Differential Revision: https://reviews.llvm.org/D34851

llvm-svn: 318539
2017-11-17 18:14:09 +00:00

64 lines
1.8 KiB
C++

//===- WriterUtils.h --------------------------------------------*- C++ -*-===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_WASM_WRITERUTILS_H
#define LLD_WASM_WRITERUTILS_H
#include "llvm/ADT/Twine.h"
#include "llvm/Object/Wasm.h"
#include "llvm/Support/raw_ostream.h"
using llvm::raw_ostream;
namespace lld {
namespace wasm {
struct OutputRelocation {
llvm::wasm::WasmRelocation Reloc;
uint32_t NewIndex;
uint32_t Value;
};
void debugWrite(uint64_t offset, llvm::Twine msg);
void writeUleb128(raw_ostream &OS, uint32_t Number, const char *msg);
void writeSleb128(raw_ostream &OS, int32_t Number, const char *msg);
void writeBytes(raw_ostream &OS, const char *bytes, size_t count,
const char *msg = nullptr);
void writeStr(raw_ostream &OS, const llvm::StringRef String,
const char *msg = nullptr);
void writeU8(raw_ostream &OS, uint8_t byte, const char *msg);
void writeU32(raw_ostream &OS, uint32_t Number, const char *msg);
void writeValueType(raw_ostream &OS, int32_t Type, const char *msg);
void writeSig(raw_ostream &OS, const llvm::wasm::WasmSignature &Sig);
void writeInitExpr(raw_ostream &OS, const llvm::wasm::WasmInitExpr &InitExpr);
void writeLimits(raw_ostream &OS, const llvm::wasm::WasmLimits &Limits);
void writeGlobal(raw_ostream &OS, const llvm::wasm::WasmGlobal &Global);
void writeImport(raw_ostream &OS, const llvm::wasm::WasmImport &Import);
void writeExport(raw_ostream &OS, const llvm::wasm::WasmExport &Export);
void writeReloc(raw_ostream &OS, const OutputRelocation &Reloc);
} // namespace wasm
} // namespace lld
#endif // LLD_WASM_WRITERUTILS_H