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//===-- DWARFDebugPubnamesSet.h ---------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef SymbolFileDWARF_DWARFDebugPubnamesSet_h_
#define SymbolFileDWARF_DWARFDebugPubnamesSet_h_
#include "SymbolFileDWARF.h"
#include <string>
#include <vector>
#if __cplusplus >= 201103L || defined(_MSC_VER)
#include <unordered_map>
#else
#include <ext/hash_map>
#endif
class DWARFDebugPubnamesSet
{
public:
struct Header
{
uint32_t length; // length of the set of entries for this compilation unit, not including the length field itself
uint16_t version; // The DWARF version number
uint32_t die_offset; // compile unit .debug_info offset
uint32_t die_length; // compile unit .debug_info length
Header() :
length(10),
version(2),
die_offset(DW_INVALID_OFFSET),
die_length(0)
{
}
};
struct Descriptor
{
Descriptor() :
offset(),
name()
{
}
Descriptor(dw_offset_t the_offset, const char *the_name) :
offset(the_offset),
name(the_name ? the_name : "")
{
}
dw_offset_t offset;
std::string name;
};
DWARFDebugPubnamesSet();
DWARFDebugPubnamesSet(dw_offset_t debug_aranges_offset, dw_offset_t cu_die_offset, dw_offset_t die_length);
dw_offset_t GetOffset() const { return m_offset; }
void SetOffset(dw_offset_t offset) { m_offset = offset; }
DWARFDebugPubnamesSet::Header& GetHeader() { return m_header; }
const DWARFDebugPubnamesSet::Header& GetHeader() const { return m_header; }
const DWARFDebugPubnamesSet::Descriptor* GetDescriptor(uint32_t i) const
{
if (i < m_descriptors.size())
return &m_descriptors[i];
return NULL;
}
uint32_t NumDescriptors() const { return m_descriptors.size(); }
void AddDescriptor(dw_offset_t cu_rel_offset, const char* name);
void Clear();
bool Extract(const lldb_private::DWARFDataExtractor& debug_pubnames_data, lldb::offset_t *offset_ptr);
void Dump(lldb_private::Log *s) const;
void InitNameIndexes() const;
void Find(const char* name, bool ignore_case, std::vector<dw_offset_t>& die_offset_coll) const;
void Find(const lldb_private::RegularExpression& regex, std::vector<dw_offset_t>& die_offsets) const;
dw_offset_t GetOffsetOfNextEntry() const;
protected:
typedef std::vector<Descriptor> DescriptorColl;
typedef DescriptorColl::iterator DescriptorIter;
typedef DescriptorColl::const_iterator DescriptorConstIter;
dw_offset_t m_offset;
Header m_header;
#if __cplusplus >= 201103L || defined(_MSC_VER)
typedef std::unordered_multimap<const char*, uint32_t, std::hash<const char*>, CStringEqualBinaryPredicate> cstr_to_index_mmap;
#else
typedef __gnu_cxx::hash_multimap<const char*, uint32_t, __gnu_cxx::hash<const char*>, CStringEqualBinaryPredicate> cstr_to_index_mmap;
#endif
DescriptorColl m_descriptors;
mutable cstr_to_index_mmap m_name_to_descriptor_index;
};
#endif // SymbolFileDWARF_DWARFDebugPubnamesSet_h_
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