402 lines
16 KiB
C++
402 lines
16 KiB
C++
//===-- DWARFDebugInfoEntry.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_DWARFDebugInfoEntry_h_
|
|
#define SymbolFileDWARF_DWARFDebugInfoEntry_h_
|
|
|
|
#include "SymbolFileDWARF.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
|
|
#include "DWARFDebugAbbrev.h"
|
|
#include "DWARFAbbreviationDeclaration.h"
|
|
#include "DWARFDebugRanges.h"
|
|
#include <vector>
|
|
#include <map>
|
|
#include <set>
|
|
|
|
typedef std::map<const DWARFDebugInfoEntry*, dw_addr_t> DIEToAddressMap;
|
|
typedef DIEToAddressMap::iterator DIEToAddressMapIter;
|
|
typedef DIEToAddressMap::const_iterator DIEToAddressMapConstIter;
|
|
|
|
typedef std::map<dw_addr_t, const DWARFDebugInfoEntry*> AddressToDIEMap;
|
|
typedef AddressToDIEMap::iterator AddressToDIEMapIter;
|
|
typedef AddressToDIEMap::const_iterator AddressToDIEMapConstIter;
|
|
|
|
|
|
typedef std::map<dw_offset_t, dw_offset_t> DIEToDIEMap;
|
|
typedef DIEToDIEMap::iterator DIEToDIEMapIter;
|
|
typedef DIEToDIEMap::const_iterator DIEToDIEMapConstIter;
|
|
|
|
typedef std::map<uint32_t, const DWARFDebugInfoEntry*> UInt32ToDIEMap;
|
|
typedef UInt32ToDIEMap::iterator UInt32ToDIEMapIter;
|
|
typedef UInt32ToDIEMap::const_iterator UInt32ToDIEMapConstIter;
|
|
|
|
typedef std::multimap<uint32_t, const DWARFDebugInfoEntry*> UInt32ToDIEMMap;
|
|
typedef UInt32ToDIEMMap::iterator UInt32ToDIEMMapIter;
|
|
typedef UInt32ToDIEMMap::const_iterator UInt32ToDIEMMapConstIter;
|
|
|
|
class DWARFDeclContext;
|
|
|
|
#define DIE_SIBLING_IDX_BITSIZE 31
|
|
#define DIE_ABBR_IDX_BITSIZE 15
|
|
|
|
class DWARFDebugInfoEntry
|
|
{
|
|
public:
|
|
typedef std::vector<DWARFDebugInfoEntry> collection;
|
|
typedef collection::iterator iterator;
|
|
typedef collection::const_iterator const_iterator;
|
|
|
|
typedef std::vector<dw_offset_t> offset_collection;
|
|
typedef offset_collection::iterator offset_collection_iterator;
|
|
typedef offset_collection::const_iterator offset_collection_const_iterator;
|
|
|
|
DWARFDebugInfoEntry():
|
|
m_offset (DW_INVALID_OFFSET),
|
|
m_parent_idx (0),
|
|
m_sibling_idx (0),
|
|
m_empty_children(false),
|
|
m_abbr_idx (0),
|
|
m_has_children (false),
|
|
m_tag (0)
|
|
{
|
|
}
|
|
|
|
void Clear ()
|
|
{
|
|
m_offset = DW_INVALID_OFFSET;
|
|
m_parent_idx = 0;
|
|
m_sibling_idx = 0;
|
|
m_empty_children = false;
|
|
m_abbr_idx = 0;
|
|
m_has_children = false;
|
|
m_tag = 0;
|
|
}
|
|
|
|
bool Contains (const DWARFDebugInfoEntry *die) const;
|
|
|
|
void BuildAddressRangeTable(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
DWARFDebugAranges* debug_aranges) const;
|
|
|
|
void BuildFunctionAddressRangeTable(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
DWARFDebugAranges* debug_aranges) const;
|
|
|
|
bool FastExtract(
|
|
const lldb_private::DWARFDataExtractor& debug_info_data,
|
|
const DWARFCompileUnit* cu,
|
|
const DWARFFormValue::FixedFormSizes& fixed_form_sizes,
|
|
lldb::offset_t* offset_ptr);
|
|
|
|
bool Extract(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
lldb::offset_t* offset_ptr);
|
|
|
|
bool LookupAddress(
|
|
const dw_addr_t address,
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
DWARFDebugInfoEntry** function_die,
|
|
DWARFDebugInfoEntry** block_die);
|
|
|
|
size_t GetAttributes(
|
|
const DWARFCompileUnit* cu,
|
|
DWARFFormValue::FixedFormSizes fixed_form_sizes,
|
|
DWARFAttributes& attrs,
|
|
uint32_t curr_depth = 0) const; // "curr_depth" for internal use only, don't set this yourself!!!
|
|
|
|
const char* GetAttributeValueAsString(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_attr_t attr,
|
|
const char* fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
uint64_t GetAttributeValueAsUnsigned(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_attr_t attr,
|
|
uint64_t fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
uint64_t GetAttributeValueAsReference(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_attr_t attr,
|
|
uint64_t fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
int64_t GetAttributeValueAsSigned(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_attr_t attr,
|
|
int64_t fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
uint64_t GetAttributeValueAsAddress(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_attr_t attr,
|
|
uint64_t fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
dw_addr_t GetAttributeHighPC(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
dw_addr_t lo_pc,
|
|
uint64_t fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
bool GetAttributeAddressRange(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
dw_addr_t& lo_pc,
|
|
dw_addr_t& hi_pc,
|
|
uint64_t fail_value,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
size_t GetAttributeAddressRanges (
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
DWARFRangeList &ranges,
|
|
bool check_hi_lo_pc,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
const char* GetName(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu) const;
|
|
|
|
const char* GetMangledName(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
bool substitute_name_allowed = true) const;
|
|
|
|
const char* GetPubname(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu) const;
|
|
|
|
static bool GetName(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_offset_t die_offset,
|
|
lldb_private::Stream &s);
|
|
|
|
static bool AppendTypeName(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_offset_t die_offset,
|
|
lldb_private::Stream &s);
|
|
|
|
const char * GetQualifiedName (
|
|
SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu,
|
|
std::string &storage) const;
|
|
|
|
const char * GetQualifiedName (
|
|
SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu,
|
|
const DWARFAttributes& attributes,
|
|
std::string &storage) const;
|
|
|
|
static bool OffsetLessThan (
|
|
const DWARFDebugInfoEntry& a,
|
|
const DWARFDebugInfoEntry& b);
|
|
|
|
void Dump(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
lldb_private::Stream &s,
|
|
uint32_t recurse_depth) const;
|
|
|
|
void DumpAncestry(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const DWARFDebugInfoEntry* oldest,
|
|
lldb_private::Stream &s,
|
|
uint32_t recurse_depth) const;
|
|
|
|
static void DumpAttribute(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const lldb_private::DWARFDataExtractor& debug_info_data,
|
|
lldb::offset_t *offset_ptr,
|
|
lldb_private::Stream &s,
|
|
dw_attr_t attr,
|
|
dw_form_t form);
|
|
// This one dumps the comp unit name, objfile name and die offset for this die so the stream S.
|
|
void DumpLocation(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu,
|
|
lldb_private::Stream &s) const;
|
|
|
|
bool GetDIENamesAndRanges(
|
|
SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const char * &name,
|
|
const char * &mangled,
|
|
DWARFRangeList& rangeList,
|
|
int& decl_file,
|
|
int& decl_line,
|
|
int& decl_column,
|
|
int& call_file,
|
|
int& call_line,
|
|
int& call_column,
|
|
lldb_private::DWARFExpression *frame_base = NULL) const;
|
|
|
|
const DWARFAbbreviationDeclaration*
|
|
GetAbbreviationDeclarationPtr (SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit *cu,
|
|
lldb::offset_t &offset) const;
|
|
|
|
dw_tag_t
|
|
Tag () const
|
|
{
|
|
return m_tag;
|
|
}
|
|
|
|
bool
|
|
IsNULL() const
|
|
{
|
|
return m_abbr_idx == 0;
|
|
}
|
|
|
|
dw_offset_t
|
|
GetOffset () const
|
|
{
|
|
return m_offset;
|
|
}
|
|
|
|
void
|
|
SetOffset (dw_offset_t offset)
|
|
{
|
|
m_offset = offset;
|
|
}
|
|
|
|
bool
|
|
HasChildren () const
|
|
{
|
|
return m_has_children;
|
|
}
|
|
|
|
void
|
|
SetHasChildren (bool b)
|
|
{
|
|
m_has_children = b;
|
|
}
|
|
|
|
// We know we are kept in a vector of contiguous entries, so we know
|
|
// our parent will be some index behind "this".
|
|
DWARFDebugInfoEntry* GetParent() { return m_parent_idx > 0 ? this - m_parent_idx : NULL; }
|
|
const DWARFDebugInfoEntry* GetParent() const { return m_parent_idx > 0 ? this - m_parent_idx : NULL; }
|
|
// We know we are kept in a vector of contiguous entries, so we know
|
|
// our sibling will be some index after "this".
|
|
DWARFDebugInfoEntry* GetSibling() { return m_sibling_idx > 0 ? this + m_sibling_idx : NULL; }
|
|
const DWARFDebugInfoEntry* GetSibling() const { return m_sibling_idx > 0 ? this + m_sibling_idx : NULL; }
|
|
// We know we are kept in a vector of contiguous entries, so we know
|
|
// we don't need to store our child pointer, if we have a child it will
|
|
// be the next entry in the list...
|
|
DWARFDebugInfoEntry* GetFirstChild() { return (HasChildren() && !m_empty_children) ? this + 1 : NULL; }
|
|
const DWARFDebugInfoEntry* GetFirstChild() const { return (HasChildren() && !m_empty_children) ? this + 1 : NULL; }
|
|
|
|
|
|
void GetDeclContextDIEs (DWARFCompileUnit* cu,
|
|
DWARFDIECollection &decl_context_dies) const;
|
|
|
|
void GetDWARFDeclContext (SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu,
|
|
DWARFDeclContext &dwarf_decl_ctx) const;
|
|
|
|
|
|
bool MatchesDWARFDeclContext(SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu,
|
|
const DWARFDeclContext &dwarf_decl_ctx) const;
|
|
|
|
DWARFDIE GetParentDeclContextDIE (SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu) const;
|
|
DWARFDIE GetParentDeclContextDIE (SymbolFileDWARF* dwarf2Data,
|
|
DWARFCompileUnit* cu,
|
|
const DWARFAttributes& attributes) const;
|
|
|
|
void
|
|
SetParent (DWARFDebugInfoEntry* parent)
|
|
{
|
|
if (parent)
|
|
{
|
|
// We know we are kept in a vector of contiguous entries, so we know
|
|
// our parent will be some index behind "this".
|
|
m_parent_idx = this - parent;
|
|
}
|
|
else
|
|
m_parent_idx = 0;
|
|
}
|
|
void
|
|
SetSibling (DWARFDebugInfoEntry* sibling)
|
|
{
|
|
if (sibling)
|
|
{
|
|
// We know we are kept in a vector of contiguous entries, so we know
|
|
// our sibling will be some index after "this".
|
|
m_sibling_idx = sibling - this;
|
|
sibling->SetParent(GetParent());
|
|
}
|
|
else
|
|
m_sibling_idx = 0;
|
|
}
|
|
|
|
void
|
|
SetSiblingIndex (uint32_t idx)
|
|
{
|
|
m_sibling_idx = idx;
|
|
}
|
|
|
|
void
|
|
SetParentIndex (uint32_t idx)
|
|
{
|
|
m_parent_idx = idx;
|
|
}
|
|
|
|
bool
|
|
GetEmptyChildren () const
|
|
{
|
|
return m_empty_children;
|
|
}
|
|
|
|
void
|
|
SetEmptyChildren (bool b)
|
|
{
|
|
m_empty_children = b;
|
|
}
|
|
|
|
static void
|
|
DumpDIECollection (lldb_private::Stream &strm,
|
|
DWARFDebugInfoEntry::collection &die_collection);
|
|
|
|
protected:
|
|
dw_offset_t GetAttributeValue(SymbolFileDWARF* dwarf2Data,
|
|
const DWARFCompileUnit* cu,
|
|
const dw_attr_t attr,
|
|
DWARFFormValue& formValue,
|
|
dw_offset_t* end_attr_offset_ptr = nullptr,
|
|
bool check_specification_or_abstract_origin = false) const;
|
|
|
|
dw_offset_t m_offset; // Offset within the .debug_info of the start of this entry
|
|
uint32_t m_parent_idx; // How many to subtract from "this" to get the parent. If zero this die has no parent
|
|
uint32_t m_sibling_idx:31, // How many to add to "this" to get the sibling.
|
|
m_empty_children:1; // If a DIE says it had children, yet it just contained a NULL tag, this will be set.
|
|
uint32_t m_abbr_idx:DIE_ABBR_IDX_BITSIZE,
|
|
m_has_children:1, // Set to 1 if this DIE has children
|
|
m_tag:16; // A copy of the DW_TAG value so we don't have to go through the compile unit abbrev table
|
|
};
|
|
|
|
#endif // SymbolFileDWARF_DWARFDebugInfoEntry_h_
|