diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h | 59 |
1 files changed, 51 insertions, 8 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h index 6e8a921bb9f..f97ad88eb39 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h @@ -41,6 +41,7 @@ typedef std::multimap<uint32_t, const DWARFDebugInfoEntry*> UInt32ToDIEMMap; typedef UInt32ToDIEMMap::iterator UInt32ToDIEMMapIter; typedef UInt32ToDIEMMap::const_iterator UInt32ToDIEMMapConstIter; +#define DIE_SIBLING_IDX_BITSIZE 31 #define DIE_ABBR_IDX_BITSIZE 15 class DWARFDebugInfoEntry @@ -107,11 +108,24 @@ public: 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_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( @@ -323,8 +337,8 @@ public: // 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() ? this + 1 : NULL; } - const DWARFDebugInfoEntry* GetFirstChild() const { return HasChildren() ? this + 1 : NULL; } + DWARFDebugInfoEntry* GetFirstChild() { return (HasChildren() && !m_empty_children) ? this + 1 : NULL; } + const DWARFDebugInfoEntry* GetFirstChild() const { return (HasChildren() && !m_empty_children) ? this + 1 : NULL; } void SetParent (DWARFDebugInfoEntry* parent) @@ -352,13 +366,42 @@ public: 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 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; // How many to add to "this" to get the sibling. + 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, - m_tag:16; + 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 }; |
