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llvm-mirror/include/llvm/ObjectYAML/XCOFFYAML.h
Jason Liu 7fa2c0c182 [XCOFF] Implement parsing symbol table for xcoffobjfile and output as yaml format
Summary:
This patch implement parsing symbol table for xcoffobjfile and
output as yaml format. Parsing auxiliary entries of a symbol
will be in a separate patch.

The XCOFF object file (aix_xcoff.o) used in the test comes from
-bash-4.2$ cat test.c
extern int i;
extern int TestforXcoff;
int main()
{
i++;
TestforXcoff--;
}

Patch by DiggerLin

Reviewers: sfertile, hubert.reinterpretcast, MaskRay, daltenty

Differential Revision: https://reviews.llvm.org/D61532

llvm-svn: 361832
2019-05-28 14:37:59 +00:00

72 lines
2.0 KiB
C++

//===----- XCOFFYAML.h - XCOFF YAMLIO implementation ------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file declares classes for handling the YAML representation of XCOFF.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECTYAML_XCOFFYAML_H
#define LLVM_OBJECTYAML_XCOFFYAML_H
#include "llvm/BinaryFormat/XCOFF.h"
#include "llvm/ObjectYAML/YAML.h"
#include <vector>
namespace llvm {
namespace XCOFFYAML {
struct FileHeader {
llvm::yaml::Hex16 Magic;
uint16_t NumberOfSections;
int32_t TimeStamp;
llvm::yaml::Hex32 SymbolTableOffset; // File offset to symbol table.
int32_t NumberOfSymTableEntries;
uint16_t AuxHeaderSize;
llvm::yaml::Hex16 Flags;
};
struct Symbol {
StringRef SymbolName;
llvm::yaml::Hex32 Value; // Symbol value; storage class-dependent.
StringRef SectionName;
llvm::yaml::Hex16 Type;
XCOFF::StorageClass StorageClass;
uint8_t NumberOfAuxEntries; // Number of auxiliary entries
};
struct Object {
FileHeader Header;
std::vector<Symbol> Symbols;
Object();
};
} // namespace XCOFFYAML
} // namespace llvm
LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Symbol)
namespace llvm {
namespace yaml {
template <> struct ScalarEnumerationTraits<XCOFF::StorageClass> {
static void enumeration(IO &IO, XCOFF::StorageClass &Value);
};
template <> struct MappingTraits<XCOFFYAML::FileHeader> {
static void mapping(IO &IO, XCOFFYAML::FileHeader &H);
};
template <> struct MappingTraits<XCOFFYAML::Object> {
static void mapping(IO &IO, XCOFFYAML::Object &Obj);
};
template <> struct MappingTraits<XCOFFYAML::Symbol> {
static void mapping(IO &IO, XCOFFYAML::Symbol &S);
};
} // namespace yaml
} // namespace llvm
#endif // LLVM_OBJECTYAML_XCOFFYAML_H