diff options
Diffstat (limited to 'gold/gdb-index.h')
| -rw-r--r-- | gold/gdb-index.h | 76 |
1 files changed, 62 insertions, 14 deletions
diff --git a/gold/gdb-index.h b/gold/gdb-index.h index 14c1583..5d9fe47 100644 --- a/gold/gdb-index.h +++ b/gold/gdb-index.h @@ -42,6 +42,8 @@ class Sized_relobj; class Dwarf_range_list; template <typename T> class Gdb_hashtab; +class Gdb_index_info_reader; +class Dwarf_pubnames_table; // This class manages the .gdb_index section, which is a fast // lookup table for DWARF information used by the gdb debugger. @@ -91,15 +93,35 @@ class Gdb_index : public Output_section_data void add_symbol(int cu_index, const char* sym_name); - // Return TRUE if we have already processed the pubnames set for - // OBJECT at OFFSET in section SHNDX - bool - pubnames_read(const Relobj* object, unsigned int shndx, off_t offset); + // Return the offset into the pubnames table for the cu at the given + // offset. + off_t + find_pubname_offset(off_t cu_offset); + + // Return the offset into the pubtypes table for the cu at the + // given offset. + off_t + find_pubtype_offset(off_t cu_offset); - // Return TRUE if we have already processed the pubtypes set for - // OBJECT at OFFSET in section SHNDX + // Return TRUE if we have already processed the pubnames and types + // set for OBJECT of the CUs and TUS associated with the statement + // list at OFFSET. bool - pubtypes_read(const Relobj* object, unsigned int shndx, off_t offset); + pubnames_read(const Relobj* object, off_t offset); + + // Record that we have already read the pubnames associated with + // OBJECT and OFFSET. + void + set_pubnames_read(const Relobj* object, off_t offset); + + // Return a pointer to the given table. + Dwarf_pubnames_table* + pubnames_table() + { return pubnames_table_; } + + Dwarf_pubnames_table* + pubtypes_table() + { return pubtypes_table_; } // Print usage statistics. static void @@ -125,6 +147,21 @@ class Gdb_index : public Output_section_data do_print_to_mapfile(Mapfile* mapfile) const { mapfile->print_output_data(this, _("** gdb_index")); } + // Create a map from dies to pubnames. + Dwarf_pubnames_table* + map_pubtable_to_dies(unsigned int attr, + Gdb_index_info_reader* dwinfo, + Relobj* object, + const unsigned char* symbols, + off_t symbols_size); + + // Wrapper for map_pubtable_to_dies + void + map_pubnames_and_types_to_dies(Gdb_index_info_reader* dwinfo, + Relobj* object, + const unsigned char* symbols, + off_t symbols_size); + private: // An entry in the compilation unit list. struct Comp_unit @@ -178,6 +215,21 @@ class Gdb_index : public Output_section_data typedef std::vector<int> Cu_vector; + typedef Unordered_map<off_t, off_t> Pubname_offset_map; + Pubname_offset_map cu_pubname_map_; + Pubname_offset_map cu_pubtype_map_; + + // Scan the given pubtable and build a map of the various dies it + // refers to, so we can process the entries when we encounter the + // die. + void + map_pubtable_to_dies(Dwarf_pubnames_table* table, + Pubname_offset_map* map); + + // Tables to store the pubnames section of the current object. + Dwarf_pubnames_table* pubnames_table_; + Dwarf_pubnames_table* pubtypes_table_; + // The .gdb_index section. Output_section* gdb_index_section_; // The list of DWARF compilation units. @@ -200,14 +252,10 @@ class Gdb_index : public Output_section_data off_t symtab_offset_; off_t cu_pool_offset_; off_t stringpool_offset_; - // Object, section index and offset of last read pubnames section. + // Object, stmt list offset of the CUs and TUs associated with the + // last read pubnames and pubtypes sections. const Relobj* pubnames_object_; - unsigned int pubnames_shndx_; - off_t pubnames_offset_; - // Object, section index and offset of last read pubtypes section. - const Relobj* pubtypes_object_; - unsigned int pubtypes_shndx_; - off_t pubtypes_offset_; + off_t stmt_list_offset_; }; } // End namespace gold. |