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//===- lib/ReaderWriter/MachO/File.h ----------------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLD_READER_WRITER_MACHO_DEBUGINFO_H
#define LLD_READER_WRITER_MACHO_DEBUGINFO_H
#include "lld/Core/Atom.h"
#include <vector>
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
namespace lld {
namespace mach_o {
class DebugInfo {
public:
enum class Kind {
Dwarf,
Stabs
};
Kind kind() const { return _kind; }
void setAllocator(std::unique_ptr<llvm::BumpPtrAllocator> allocator) {
_allocator = std::move(allocator);
}
protected:
DebugInfo(Kind kind) : _kind(kind) {}
private:
std::unique_ptr<llvm::BumpPtrAllocator> _allocator;
Kind _kind;
};
struct TranslationUnitSource {
StringRef name;
StringRef path;
};
class DwarfDebugInfo : public DebugInfo {
public:
DwarfDebugInfo(TranslationUnitSource tu)
: DebugInfo(Kind::Dwarf), _tu(std::move(tu)) {}
static inline bool classof(const DebugInfo *di) {
return di->kind() == Kind::Dwarf;
}
const TranslationUnitSource &translationUnitSource() const { return _tu; }
private:
TranslationUnitSource _tu;
};
struct Stab {
Stab(const Atom* atom, uint8_t type, uint8_t other, uint16_t desc,
uint32_t value, StringRef str)
: atom(atom), type(type), other(other), desc(desc), value(value),
str(str) {}
const class Atom* atom;
uint8_t type;
uint8_t other;
uint16_t desc;
uint32_t value;
StringRef str;
};
inline raw_ostream& operator<<(raw_ostream &os, Stab &s) {
os << "Stab -- atom: " << llvm::format("%p", s.atom) << ", type: " << (uint32_t)s.type
<< ", other: " << (uint32_t)s.other << ", desc: " << s.desc << ", value: " << s.value
<< ", str: '" << s.str << "'";
return os;
}
class StabsDebugInfo : public DebugInfo {
public:
typedef std::vector<Stab> StabsList;
StabsDebugInfo(StabsList stabs)
: DebugInfo(Kind::Stabs), _stabs(std::move(stabs)) {}
static inline bool classof(const DebugInfo *di) {
return di->kind() == Kind::Stabs;
}
const StabsList& stabs() const { return _stabs; }
public:
StabsList _stabs;
};
} // end namespace mach_o
} // end namespace lld
#endif // LLD_READER_WRITER_MACHO_DEBUGINFO_H
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