67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
//===-- DWARFDebugArangeSet.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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
|
|
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
|
|
|
|
#include "lldb/Core/dwarf.h"
|
|
#include <cstdint>
|
|
#include <vector>
|
|
|
|
class DWARFDebugArangeSet {
|
|
public:
|
|
struct Header {
|
|
/// The total length of the entries for that set, not including the length
|
|
/// field itself.
|
|
uint32_t length = 0;
|
|
/// The DWARF version number.
|
|
uint16_t version = 0;
|
|
/// The offset from the beginning of the .debug_info section of the
|
|
/// compilation unit entry referenced by the table.
|
|
uint32_t cu_offset = 0;
|
|
/// The size in bytes of an address on the target architecture. For
|
|
/// segmented addressing, this is the size of the offset portion of the
|
|
/// address.
|
|
uint8_t addr_size = 0;
|
|
/// The size in bytes of a segment descriptor on the target architecture.
|
|
/// If the target system uses a flat address space, this value is 0.
|
|
uint8_t seg_size = 0;
|
|
};
|
|
|
|
struct Descriptor {
|
|
dw_addr_t address;
|
|
dw_addr_t length;
|
|
dw_addr_t end_address() const { return address + length; }
|
|
};
|
|
|
|
DWARFDebugArangeSet();
|
|
void Clear();
|
|
void SetOffset(uint32_t offset) { m_offset = offset; }
|
|
llvm::Error extract(const lldb_private::DWARFDataExtractor &data,
|
|
lldb::offset_t *offset_ptr);
|
|
dw_offset_t FindAddress(dw_addr_t address) const;
|
|
size_t NumDescriptors() const { return m_arange_descriptors.size(); }
|
|
const Header &GetHeader() const { return m_header; }
|
|
dw_offset_t GetNextOffset() const { return m_next_offset; }
|
|
const Descriptor &GetDescriptorRef(uint32_t i) const {
|
|
return m_arange_descriptors[i];
|
|
}
|
|
|
|
protected:
|
|
typedef std::vector<Descriptor> DescriptorColl;
|
|
typedef DescriptorColl::iterator DescriptorIter;
|
|
typedef DescriptorColl::const_iterator DescriptorConstIter;
|
|
|
|
dw_offset_t m_offset;
|
|
dw_offset_t m_next_offset;
|
|
Header m_header;
|
|
DescriptorColl m_arange_descriptors;
|
|
};
|
|
|
|
#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
|