diff options
-rw-r--r-- | gdb/ChangeLog | 23 | ||||
-rw-r--r-- | gdb/compile/compile-object-load.c | 6 | ||||
-rw-r--r-- | gdb/compile/compile-object-run.c | 2 | ||||
-rw-r--r-- | gdb/jit.c | 16 | ||||
-rw-r--r-- | gdb/objfiles.c | 14 | ||||
-rw-r--r-- | gdb/objfiles.h | 21 | ||||
-rw-r--r-- | gdb/solib.c | 4 | ||||
-rw-r--r-- | gdb/symfile.c | 8 |
8 files changed, 66 insertions, 28 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 7bcd2c7..07d679b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,28 @@ 2019-12-12 Tom Tromey <tom@tromey.com> + * symfile.c (syms_from_objfile_1): Use objfile_up. + (syms_from_objfile_1, remove_symbol_file_command): Call unlink + method. + (reread_symbols): Use objfile_up. + * solib.c (update_solib_list, reload_shared_libraries_1): Call + unlink method. + * objfiles.h (struct objfile) <~objfile>: Now private. + <unlink>: New method. + (struct objfile_deleter): New. + (objfile_up): New typedef. + * objfiles.c (objfile::unlink): New method. + (free_objfile_separate_debug, free_all_objfiles) + (objfile_purge_solibs): Use it. + * jit.c (jit_unregister_code): Remove. + (jit_inferior_exit_hook, jit_event_handler): Call unlink on + objfile. + * compile/compile-object-run.c (do_module_cleanup): Call unlink on + objfile. + * compile/compile-object-load.c (compile_object_load): Use + objfile_up. + +2019-12-12 Tom Tromey <tom@tromey.com> + * symfile.c (symbol_file_add_with_addrs): Pass "parent" to objfile::make. * objfiles.h (struct objjfile) <make>: No longer inline. diff --git a/gdb/compile/compile-object-load.c b/gdb/compile/compile-object-load.c index c9bf151..c8762ad 100644 --- a/gdb/compile/compile-object-load.c +++ b/gdb/compile/compile-object-load.c @@ -632,9 +632,9 @@ compile_object_load (const compile_file_names &file_names, /* SYMFILE_VERBOSE is not passed even if FROM_TTY, user is not interested in "Reading symbols from ..." message for automatically generated file. */ - std::unique_ptr<struct objfile> objfile_holder - (symbol_file_add_from_bfd (abfd.get (), filename.get (), - 0, NULL, 0, NULL)); + objfile_up objfile_holder (symbol_file_add_from_bfd (abfd.get (), + filename.get (), + 0, NULL, 0, NULL)); objfile = objfile_holder.get (); func_sym = lookup_global_symbol_from_objfile (objfile, diff --git a/gdb/compile/compile-object-run.c b/gdb/compile/compile-object-run.c index 8173cfe..72f3060 100644 --- a/gdb/compile/compile-object-run.c +++ b/gdb/compile/compile-object-run.c @@ -86,7 +86,7 @@ do_module_cleanup (void *arg, int registers_valid) if ((objfile->flags & OBJF_USERLOADED) == 0 && (strcmp (objfile_name (objfile), data->objfile_name_string) == 0)) { - delete objfile; + objfile->unlink (); /* It may be a bit too pervasive in this dummy_frame dtor callback. */ clear_symtab_users (0); @@ -951,18 +951,6 @@ jit_register_code (struct gdbarch *gdbarch, jit_bfd_try_read_symtab (code_entry, entry_addr, gdbarch); } -/* This function unregisters JITed code and frees the corresponding - objfile. */ - -static void -jit_unregister_code (struct objfile *objfile) -{ - if (jit_debug) - fprintf_unfiltered (gdb_stdlog, "jit_unregister_code (%s)\n", - host_address_to_string (objfile)); - delete objfile; -} - /* Look up the objfile with this code entry address. */ static struct objfile * @@ -1380,7 +1368,7 @@ jit_inferior_exit_hook (struct inferior *inf) = (struct jit_objfile_data *) objfile_data (objf, jit_objfile_data); if (objf_data != NULL && objf_data->addr != 0) - jit_unregister_code (objf); + objf->unlink (); } } @@ -1414,7 +1402,7 @@ jit_event_handler (struct gdbarch *gdbarch) "entry at address: %s\n"), paddress (gdbarch, entry_addr)); else - jit_unregister_code (objf); + objf->unlink (); break; default: diff --git a/gdb/objfiles.c b/gdb/objfiles.c index 0ee5720..a635f77 100644 --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -553,6 +553,14 @@ objfile::make (bfd *bfd_, const char *name_, objfile_flags flags_, return result; } +/* See objfiles.h. */ + +void +objfile::unlink () +{ + delete this; +} + /* Free all separate debug objfile of OBJFILE, but don't free OBJFILE itself. */ @@ -564,7 +572,7 @@ free_objfile_separate_debug (struct objfile *objfile) for (child = objfile->separate_debug_objfile; child;) { struct objfile *next_child = child->separate_debug_objfile_link; - delete child; + child->unlink (); child = next_child; } } @@ -687,7 +695,7 @@ free_all_objfiles (void) gdb_assert (so->objfile == NULL); for (objfile *objfile : current_program_space->objfiles_safe ()) - delete objfile; + objfile->unlink (); clear_symtab_users (0); } @@ -996,7 +1004,7 @@ objfile_purge_solibs (void) be soon. */ if (!(objf->flags & OBJF_USERLOADED) && (objf->flags & OBJF_SHARED)) - delete objf; + objf->unlink (); } } diff --git a/gdb/objfiles.h b/gdb/objfiles.h index 663e639..49b4627 100644 --- a/gdb/objfiles.h +++ b/gdb/objfiles.h @@ -399,13 +399,18 @@ private: /* The only way to create an objfile is to call objfile::make. */ objfile (bfd *, const char *, objfile_flags); + /* The only way to free an objfile is via 'unlink'. */ + ~objfile (); + public: /* Create an objfile. */ static objfile *make (bfd *bfd_, const char *name_, objfile_flags flags_, objfile *parent = nullptr); - ~objfile (); + /* Remove an objfile from the current program space, and free + it. */ + void unlink (); DISABLE_COPY_AND_ASSIGN (objfile); @@ -637,6 +642,20 @@ public: htab_up static_links; }; +/* A deleter for objfile. */ + +struct objfile_deleter +{ + void operator() (objfile *ptr) const + { + ptr->unlink (); + } +}; + +/* A unique pointer that holds an objfile. */ + +typedef std::unique_ptr<objfile, objfile_deleter> objfile_up; + /* Declarations for functions defined in objfiles.c */ extern struct gdbarch *get_objfile_arch (const struct objfile *); diff --git a/gdb/solib.c b/gdb/solib.c index 5483670..7eea732 100644 --- a/gdb/solib.c +++ b/gdb/solib.c @@ -835,7 +835,7 @@ update_solib_list (int from_tty) /* Unless the user loaded it explicitly, free SO's objfile. */ if (gdb->objfile && ! (gdb->objfile->flags & OBJF_USERLOADED) && !solib_used (gdb)) - delete gdb->objfile; + gdb->objfile->unlink (); /* Some targets' section tables might be referring to sections from so->abfd; remove them. */ @@ -1312,7 +1312,7 @@ reload_shared_libraries_1 (int from_tty) { if (so->objfile && ! (so->objfile->flags & OBJF_USERLOADED) && !solib_used (so)) - delete so->objfile; + so->objfile->unlink (); remove_target_sections (so); clear_so (so); } diff --git a/gdb/symfile.c b/gdb/symfile.c index 8e3cf7f..9652371 100644 --- a/gdb/symfile.c +++ b/gdb/symfile.c @@ -940,7 +940,7 @@ syms_from_objfile_1 (struct objfile *objfile, if an error occurs during symbol reading. */ gdb::optional<clear_symtab_users_cleanup> defer_clear_users; - std::unique_ptr<struct objfile> objfile_holder (objfile); + objfile_up objfile_holder (objfile); /* If ADDRS is NULL, put together a dummy address list. We now establish the convention that an addr of zero means @@ -958,7 +958,7 @@ syms_from_objfile_1 (struct objfile *objfile, if (symfile_objfile != NULL) { - delete symfile_objfile; + symfile_objfile->unlink (); gdb_assert (symfile_objfile == NULL); } @@ -2438,7 +2438,7 @@ remove_symbol_file_command (const char *args, int from_tty) objfile_name (objf))) error (_("Not confirmed.")); - delete objf; + objf->unlink (); clear_symtab_users (0); } @@ -2495,7 +2495,7 @@ reread_symbols (void) /* If we get an error, blow away this objfile (not sure if that is the correct response for things like shared libraries). */ - std::unique_ptr<struct objfile> objfile_holder (objfile); + objfile_up objfile_holder (objfile); /* We need to do this whenever any symbols go away. */ clear_symtab_users_cleanup defer_clear_users (0); |