diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h | 139 |
1 files changed, 138 insertions, 1 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h index 971d3e1659b..02d0c6205c8 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h +++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h @@ -16,6 +16,7 @@ #include "clang/AST/CharUnits.h" +#include "lldb/Core/RangeMap.h" #include "lldb/Symbol/SymbolFile.h" #include "UniqueDWARFASTType.h" @@ -143,6 +144,8 @@ protected: typedef STD_SHARED_PTR(OSOInfo) OSOInfoSP; + typedef lldb_private::RangeDataVector<lldb::addr_t, lldb::addr_t, lldb::addr_t> FileRangeMap; + //------------------------------------------------------------------ // Class specific types //------------------------------------------------------------------ @@ -156,6 +159,9 @@ protected: uint32_t last_symbol_index; uint32_t first_symbol_id; uint32_t last_symbol_id; + FileRangeMap file_range_map; + bool file_range_map_valid; + CompileUnitInfo() : so_file (), @@ -165,9 +171,14 @@ protected: first_symbol_index (UINT32_MAX), last_symbol_index (UINT32_MAX), first_symbol_id (UINT32_MAX), - last_symbol_id (UINT32_MAX) + last_symbol_id (UINT32_MAX), + file_range_map (), + file_range_map_valid (false) { } + + const FileRangeMap & + GetFileRangeMap(SymbolFileDWARFDebugMap *exe_symfile); }; //------------------------------------------------------------------ @@ -240,6 +251,9 @@ protected: lldb::CompUnitSP GetCompileUnit (SymbolFileDWARF *oso_dwarf); + + CompileUnitInfo * + GetCompileUnitInfo (SymbolFileDWARF *oso_dwarf); lldb::TypeSP FindDefinitionTypeForDWARFDeclContext (const DWARFDeclContext &die_decl_ctx); @@ -258,6 +272,58 @@ protected: { return m_unique_ast_type_map; } + + + //------------------------------------------------------------------ + // OSOEntry + //------------------------------------------------------------------ + class OSOEntry + { + public: + + OSOEntry () : + m_exe_sym_idx (UINT32_MAX), + m_oso_file_addr (LLDB_INVALID_ADDRESS) + { + } + + OSOEntry (uint32_t exe_sym_idx, + lldb::addr_t oso_file_addr) : + m_exe_sym_idx (exe_sym_idx), + m_oso_file_addr (oso_file_addr) + { + } + + uint32_t + GetExeSymbolIndex () const + { + return m_exe_sym_idx; + } + + bool + operator < (const OSOEntry &rhs) const + { + return m_exe_sym_idx < rhs.m_exe_sym_idx; + } + + lldb::addr_t + GetOSOFileAddress () const + { + return m_oso_file_addr; + } + + void + SetOSOFileAddress (lldb::addr_t oso_file_addr) + { + m_oso_file_addr = oso_file_addr; + } + protected: + uint32_t m_exe_sym_idx; + lldb::addr_t m_oso_file_addr; + }; + + typedef lldb_private::RangeDataVector<lldb::addr_t, lldb::addr_t, OSOEntry> DebugMap; + //------------------------------------------------------------------ // Member Variables //------------------------------------------------------------------ @@ -268,6 +334,77 @@ protected: std::map<lldb_private::ConstString, OSOInfoSP> m_oso_map; UniqueDWARFASTTypeMap m_unique_ast_type_map; lldb_private::LazyBool m_supports_DW_AT_APPLE_objc_complete_type; + DebugMap m_debug_map; + + //------------------------------------------------------------------ + // When an object file from the debug map gets parsed in + // SymbolFileDWARF, it needs to tell the debug map about the object + // files addresses by calling this function once for each N_FUN, + // N_GSYM and N_STSYM and after all entries in the debug map have + // been matched up, FinalizeOSOFileRanges() should be called. + //------------------------------------------------------------------ + bool + AddOSOFileRange (CompileUnitInfo *cu_info, + lldb::addr_t exe_file_addr, + lldb::addr_t oso_file_addr, + lldb::addr_t oso_byte_size); + + //------------------------------------------------------------------ + // Called after calling AddOSOFileRange() for each object file debug + // map entry to finalize the info for the unlinked compile unit. + //------------------------------------------------------------------ + void + FinalizeOSOFileRanges (CompileUnitInfo *cu_info); + + //------------------------------------------------------------------ + /// Convert \a addr from a .o file address, to an executable address. + /// + /// @param[in] addr + /// A section offset address from a .o file + /// + /// @return + /// Returns true if \a addr was converted to be an executable + /// section/offset address, false otherwise. + //------------------------------------------------------------------ + bool + LinkOSOAddress (lldb_private::Address &addr); + + //------------------------------------------------------------------ + /// Convert a .o file "file address" to an executable "file address". + /// + /// @param[in] oso_symfile + /// The DWARF symbol file that contains \a oso_file_addr + /// + /// @param[in] oso_file_addr + /// A .o file "file address" to convert. + /// + /// @return + /// LLDB_INVALID_ADDRESS if \a oso_file_addr is not in the + /// linked executable, otherwise a valid "file address" from the + /// linked executable that contains the debug map. + //------------------------------------------------------------------ + lldb::addr_t + LinkOSOFileAddress (SymbolFileDWARF *oso_symfile, lldb::addr_t oso_file_addr); + + //------------------------------------------------------------------ + /// Given a line table full of lines with "file adresses" that are + /// for a .o file represented by \a oso_symfile, link a new line table + /// and return it. + /// + /// @param[in] oso_symfile + /// The DWARF symbol file that produced the \a line_table + /// + /// @param[in] addr + /// A section offset address from a .o file + /// + /// @return + /// Returns a valid line table full of linked addresses, or NULL + /// if none of the line table adresses exist in the main + /// executable. + //------------------------------------------------------------------ + lldb_private::LineTable * + LinkOSOLineTable (SymbolFileDWARF *oso_symfile, + lldb_private::LineTable *line_table); }; #endif // #ifndef SymbolFileDWARF_SymbolFileDWARFDebugMap_h_ |
