diff options
Diffstat (limited to 'gdb/objfiles.h')
| -rw-r--r-- | gdb/objfiles.h | 109 |
1 files changed, 70 insertions, 39 deletions
diff --git a/gdb/objfiles.h b/gdb/objfiles.h index 88dfb33..4a34758 100644 --- a/gdb/objfiles.h +++ b/gdb/objfiles.h @@ -1,6 +1,6 @@ /* Definitions for symbol file management in GDB. - Copyright (C) 1992-2024 Free Software Foundation, Inc. + Copyright (C) 1992-2025 Free Software Foundation, Inc. This file is part of GDB. @@ -17,8 +17,8 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#if !defined (OBJFILES_H) -#define OBJFILES_H +#ifndef GDB_OBJFILES_H +#define GDB_OBJFILES_H #include "gdbsupport/gdb_obstack.h" #include "objfile-flags.h" @@ -32,6 +32,7 @@ #include "jit.h" #include "quick-symbol.h" #include <forward_list> +#include "gdbsupport/unordered_map.h" struct htab; struct objfile_data; @@ -418,12 +419,13 @@ struct obj_section symbols, lookup_symbol is used to check if we only have a partial symbol and if so, read and expand the full compunit. */ -struct objfile +struct objfile : intrusive_list_node<objfile> { private: /* The only way to create an objfile is to call objfile::make. */ - objfile (gdb_bfd_ref_ptr, const char *, objfile_flags); + objfile (gdb_bfd_ref_ptr, program_space *pspace, const char *, + objfile_flags); public: @@ -436,15 +438,19 @@ public: ~objfile (); /* Create an objfile. */ - static objfile *make (gdb_bfd_ref_ptr bfd_, const char *name_, - objfile_flags flags_, objfile *parent = nullptr); + static objfile *make (gdb_bfd_ref_ptr bfd_, program_space *pspace, + const char *name_, objfile_flags flags_, + objfile *parent = nullptr); - /* Remove an objfile from the current program space, and free + /* Remove this objfile from its program space's objfile list, and frees it. */ void unlink (); DISABLE_COPY_AND_ASSIGN (objfile); + /* Return the program space associated with this objfile. */ + program_space *pspace () { return m_pspace; } + /* A range adapter that makes it possible to iterate over all compunits in one objfile. */ @@ -509,10 +515,16 @@ public: return per_bfd->gdbarch; } - /* Return true if OBJFILE has partial symbols. */ - + /* Return true if this objfile has partial symbols. */ bool has_partial_symbols (); + /* Return true if this objfile has full symbols. */ + bool has_full_symbols (); + + /* Return true if this objfile has full or partial symbols, either directly + or through a separate debug file. */ + bool has_symbols (); + /* Look for a separate debug symbol file for this objfile, make use of build-id, debug-link, and debuginfod as necessary. If a suitable separate debug symbol file is found then it is loaded using a call to @@ -587,23 +599,22 @@ public: /* See quick_symbol_functions. */ bool expand_symtabs_matching - (gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher, + (expand_symtabs_file_matcher file_matcher, const lookup_name_info *lookup_name, - gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher, - gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify, + expand_symtabs_symbol_matcher symbol_matcher, + expand_symtabs_expansion_listener expansion_notify, block_search_flags search_flags, - domain_search_flags domain); + domain_search_flags domain, + expand_symtabs_lang_matcher lang_matcher = nullptr); /* See quick_symbol_functions. */ - struct compunit_symtab *find_pc_sect_compunit_symtab - (struct bound_minimal_symbol msymbol, - CORE_ADDR pc, - struct obj_section *section, - int warn_if_readin); + struct compunit_symtab * + find_pc_sect_compunit_symtab (bound_minimal_symbol msymbol, CORE_ADDR pc, + struct obj_section *section, + int warn_if_readin); /* See quick_symbol_functions. */ - void map_symbol_filenames (gdb::function_view<symbol_filename_ftype> fun, - bool need_fullname); + void map_symbol_filenames (symbol_filename_listener fun, bool need_fullname); /* See quick_symbol_functions. */ void compute_main_name (); @@ -624,6 +635,9 @@ public: gdb_assert (section->owner == nullptr || section->owner == this->obfd); int idx = gdb_bfd_section_index (this->obfd.get (), section); + + /* Guarantee that the section offsets were initialized. */ + gdb_assert (this->section_offsets.size () > idx); return this->section_offsets[idx]; } @@ -635,6 +649,9 @@ public: gdb_assert (section->owner == nullptr || section->owner == this->obfd); int idx = gdb_bfd_section_index (this->obfd.get (), section); + + /* Guarantee that the section offsets were initialized. */ + gdb_assert (this->section_offsets.capacity () > idx); this->section_offsets[idx] = offset; } @@ -716,10 +733,12 @@ public: objfile_flags flags; +private: /* The program space associated with this objfile. */ - struct program_space *pspace; + program_space *m_pspace; +public: /* List of compunits. These are used to do symbol lookups and file/line-number lookups. */ @@ -849,7 +868,8 @@ public: Very few blocks have a static link, so it's more memory efficient to store these here rather than in struct block. Static links must be allocated on the objfile's obstack. */ - htab_up static_links; + gdb::unordered_map<const block *, const dynamic_prop *> + static_links; /* JIT-related data for this objfile, if the objfile is a JITer; that is, it produces JITed objfiles. */ @@ -879,7 +899,7 @@ public: /* A deleter for objfile. */ -struct objfile_deleter +struct objfile_unlinker { void operator() (objfile *ptr) const { @@ -889,7 +909,7 @@ struct objfile_deleter /* A unique pointer that holds an objfile. */ -typedef std::unique_ptr<objfile, objfile_deleter> objfile_up; +typedef std::unique_ptr<objfile, objfile_unlinker> scoped_objfile_unlinker; /* Relocation offset applied to the section. */ inline CORE_ADDR @@ -907,9 +927,15 @@ obj_section::set_offset (CORE_ADDR offset) /* Declarations for functions defined in objfiles.c */ -extern int entry_point_address_query (CORE_ADDR *entry_p); +/* If there is a valid and known entry point in PSPACE, fill *ENTRY_P with it + and return non-zero. */ + +extern int entry_point_address_query (program_space *pspace, + CORE_ADDR *entry_p); -extern CORE_ADDR entry_point_address (void); +/* Get the entry point address in PSPACE. Call error if it is not known. */ + +extern CORE_ADDR entry_point_address (program_space *pspace); extern void build_objfile_section_table (struct objfile *); @@ -918,18 +944,21 @@ extern void free_objfile_separate_debug (struct objfile *); extern void objfile_relocate (struct objfile *, const section_offsets &); extern void objfile_rebase (struct objfile *, CORE_ADDR); -extern int objfile_has_full_symbols (struct objfile *objfile); +/* Return true if any objfile of PSPACE has partial symbols. */ -extern int objfile_has_symbols (struct objfile *objfile); +extern bool have_partial_symbols (program_space *pspace); -extern int have_partial_symbols (void); +/* Return true if any objfile of PSPACE has full symbols. */ -extern int have_full_symbols (void); +extern bool have_full_symbols (program_space *pspace); extern void objfile_set_sym_fns (struct objfile *objfile, const struct sym_fns *sf); -extern void objfiles_changed (void); +/* Set section_map_dirty for PSPACE so the section map will be rebuilt next time + it is used. */ + +extern void objfiles_changed (program_space *pspace); /* Return true if ADDR maps into one of the sections of OBJFILE and false otherwise. */ @@ -942,26 +971,28 @@ extern bool is_addr_in_objfile (CORE_ADDR addr, const struct objfile *objfile); extern bool shared_objfile_contains_address_p (struct program_space *pspace, CORE_ADDR address); -/* This operation deletes all objfile entries that represent solibs that - weren't explicitly loaded by the user, via e.g., the add-symbol-file +/* This operation deletes all objfile entries in PSPACE that represent solibs + that weren't explicitly loaded by the user, via e.g., the add-symbol-file command. */ -extern void objfile_purge_solibs (void); +extern void objfile_purge_solibs (program_space *pspace); /* Functions for dealing with the minimal symbol table, really a misc address<->symbol mapping for things we don't have debug symbols for. */ -extern int have_minimal_symbols (void); +/* Return true if any objfile of PSPACE has minimal symbols. */ + +extern bool have_minimal_symbols (program_space *pspace); extern struct obj_section *find_pc_section (CORE_ADDR pc); /* Return true if PC is in a section called NAME. */ extern bool pc_in_section (CORE_ADDR, const char *); -/* Return non-zero if PC is in a SVR4-style procedure linkage table +/* Return true if PC is in a SVR4-style procedure linkage table section. */ -static inline int +static inline bool in_plt_section (CORE_ADDR pc) { return (pc_in_section (pc, ".plt") @@ -1025,4 +1056,4 @@ extern void objfile_register_static_link extern const struct dynamic_prop *objfile_lookup_static_link (struct objfile *objfile, const struct block *block); -#endif /* !defined (OBJFILES_H) */ +#endif /* GDB_OBJFILES_H */ |