================ @@ -0,0 +1,148 @@ +//===- MCGOFFSymbolMapper.h - Maps MC section/symbol to GOFF symbols ------===// +// +// 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 +// +//===----------------------------------------------------------------------===// +// +// Maps a section or a symbol to the GOFF symbols it is composed of, and their +// attributes. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_MC_MCGOFFSYMBOLMAPPER_H +#define LLVM_MC_MCGOFFSYMBOLMAPPER_H + +#include "llvm/ADT/StringRef.h" +#include "llvm/BinaryFormat/GOFF.h" +#include "llvm/Support/Alignment.h" +#include <string> +#include <utility> + +namespace llvm { +class MCAssembler; +class MCContext; +class MCSectionGOFF; + +// An "External Symbol Definition" in the GOFF file has a type, and depending on +// the type a different subset of the fields is used. +// +// Unlike other formats, a 2 dimensional structure is used to define the +// location of data. For example, the equivalent of the ELF .text section is +// made up of a Section Definition (SD) and a class (Element Definition; ED). +// The name of the SD symbol depends on the application, while the class has the +// predefined name C_CODE64. +// +// Data can be placed into this structure in 2 ways. First, the data (in a text +// record) can be associated with an ED symbol. To refer to data, a Label +// Definition (LD) is used to give an offset into the data a name. When binding, +// the whole data is pulled into the resulting executable, and the addresses +// given by the LD symbols are resolved. +// +// The alternative is to use a Part Defiition (PR). In this case, the data (in a ---------------- Everybody0523 wrote:
```suggestion // The alternative is to use a Part Definition (PR). In this case, the data (in a ``` https://github.com/llvm/llvm-project/pull/133799 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
