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//===- DWARFDebugMacro.h ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H
#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataExtractor.h"
#include <cstdint>
namespace llvm {
class raw_ostream;
class DWARFDebugMacro {
/// A single macro entry within a macro list.
struct Entry {
/// The type of the macro entry.
uint32_t Type;
union {
/// The source line where the macro is defined.
uint64_t Line;
/// Vendor extension constant value.
uint64_t ExtConstant;
};
union {
/// The string (name, value) of the macro entry.
const char *MacroStr;
// An unsigned integer indicating the identity of the source file.
uint64_t File;
/// Vendor extension string.
const char *ExtStr;
};
};
using MacroList = SmallVector<Entry, 4>;
/// A list of all the macro entries in the debug_macinfo section.
MacroList Macros;
public:
DWARFDebugMacro() = default;
/// Print the macro list found within the debug_macinfo section.
void dump(raw_ostream &OS) const;
/// Parse the debug_macinfo section accessible via the 'data' parameter.
void parse(DataExtractor data);
/// Return whether the section has any entries.
bool empty() const { return Macros.empty(); }
};
} // end namespace llvm
#endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H
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