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7fa2c0c182
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
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
//===----- XCOFFYAML.h - XCOFF YAMLIO implementation ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares classes for handling the YAML representation of XCOFF.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OBJECTYAML_XCOFFYAML_H
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#define LLVM_OBJECTYAML_XCOFFYAML_H
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#include "llvm/BinaryFormat/XCOFF.h"
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#include "llvm/ObjectYAML/YAML.h"
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#include <vector>
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namespace llvm {
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namespace XCOFFYAML {
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struct FileHeader {
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llvm::yaml::Hex16 Magic;
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uint16_t NumberOfSections;
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int32_t TimeStamp;
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llvm::yaml::Hex32 SymbolTableOffset; // File offset to symbol table.
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int32_t NumberOfSymTableEntries;
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uint16_t AuxHeaderSize;
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llvm::yaml::Hex16 Flags;
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};
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struct Symbol {
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StringRef SymbolName;
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llvm::yaml::Hex32 Value; // Symbol value; storage class-dependent.
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StringRef SectionName;
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llvm::yaml::Hex16 Type;
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XCOFF::StorageClass StorageClass;
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uint8_t NumberOfAuxEntries; // Number of auxiliary entries
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};
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struct Object {
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FileHeader Header;
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std::vector<Symbol> Symbols;
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Object();
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};
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} // namespace XCOFFYAML
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} // namespace llvm
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LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Symbol)
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namespace llvm {
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namespace yaml {
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template <> struct ScalarEnumerationTraits<XCOFF::StorageClass> {
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static void enumeration(IO &IO, XCOFF::StorageClass &Value);
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};
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template <> struct MappingTraits<XCOFFYAML::FileHeader> {
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static void mapping(IO &IO, XCOFFYAML::FileHeader &H);
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};
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template <> struct MappingTraits<XCOFFYAML::Object> {
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static void mapping(IO &IO, XCOFFYAML::Object &Obj);
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};
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template <> struct MappingTraits<XCOFFYAML::Symbol> {
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static void mapping(IO &IO, XCOFFYAML::Symbol &S);
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};
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} // namespace yaml
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} // namespace llvm
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#endif // LLVM_OBJECTYAML_XCOFFYAML_H
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