diff options
Diffstat (limited to 'gdb/symfile.c')
| -rw-r--r-- | gdb/symfile.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/gdb/symfile.c b/gdb/symfile.c index feca03b..7c7141d 100644 --- a/gdb/symfile.c +++ b/gdb/symfile.c @@ -120,6 +120,8 @@ static void cashier_psymtab (struct partial_symtab *); bfd *symfile_bfd_open (char *); +int get_section_index (struct objfile *, char *); + static void find_sym_fns (struct objfile *); static void decrement_reading_symtab (void *); @@ -577,6 +579,9 @@ syms_from_objfile (struct objfile *objfile, struct section_addr_info *addrs, init_entry_point_info (objfile); find_sym_fns (objfile); + if (objfile->sf == NULL) + return; /* No symbols. */ + /* Make sure that partially constructed symbol tables will be cleaned up if an error occurs during symbol reading. */ old_chain = make_cleanup_free_objfile (objfile); @@ -891,6 +896,9 @@ symbol_file_add (char *name, int from_tty, struct section_addr_info *addrs, } } + if (objfile->sf == NULL) + return objfile; /* No symbols. */ + new_symfile_objfile (objfile, mainline, from_tty); if (target_new_objfile_hook) @@ -1109,6 +1117,18 @@ symfile_bfd_open (char *name) return (sym_bfd); } +/* Return the section index for the given section name. Return -1 if + the section was not found. */ +int +get_section_index (struct objfile *objfile, char *section_name) +{ + asection *sect = bfd_get_section_by_name (objfile->obfd, section_name); + if (sect) + return sect->index; + else + return -1; +} + /* Link a new symtab_fns into the global symtab_fns list. Called on gdb startup by the _initialize routine in each object file format reader, to register information about each format the the reader is prepared @@ -1134,6 +1154,11 @@ find_sym_fns (struct objfile *objfile) enum bfd_flavour our_flavour = bfd_get_flavour (objfile->obfd); char *our_target = bfd_get_target (objfile->obfd); + if (our_flavour == bfd_target_srec_flavour + || our_flavour == bfd_target_ihex_flavour + || our_flavour == bfd_target_tekhex_flavour) + return; /* No symbols. */ + /* Special kludge for apollo. See dstread.c. */ if (STREQN (our_target, "apollo", 6)) our_flavour = (enum bfd_flavour) -2; @@ -1806,8 +1831,9 @@ add_filename_language (char *ext, enum language lang) if (fl_table_next >= fl_table_size) { fl_table_size += 10; - filename_language_table = xrealloc (filename_language_table, - fl_table_size); + filename_language_table = + xrealloc (filename_language_table, + fl_table_size * sizeof (*filename_language_table)); } filename_language_table[fl_table_next].ext = xstrdup (ext); @@ -3214,7 +3240,7 @@ _initialize_symfile (void) "Load symbol table from executable file FILE.\n\ The `file' command can also load symbol tables, as well as setting the file\n\ to execute.", &cmdlist); - c->completer = filename_completer; + set_cmd_completer (c, filename_completer); c = add_cmd ("add-symbol-file", class_files, add_symbol_file_command, "Usage: add-symbol-file FILE ADDR [-s <SECT> <SECT_ADDR> -s <SECT> <SECT_ADDR> ...]\n\ @@ -3222,9 +3248,9 @@ Load the symbols from FILE, assuming FILE has been dynamically loaded.\n\ ADDR is the starting address of the file's text.\n\ The optional arguments are section-name section-address pairs and\n\ should be specified if the data and bss segments are not contiguous\n\ -with the text. SECT is a section name to be loaded at SECT_ADDR.", +with the text. SECT is a section name to be loaded at SECT_ADDR.", &cmdlist); - c->completer = filename_completer; + set_cmd_completer (c, filename_completer); c = add_cmd ("add-shared-symbol-files", class_files, add_shared_symbol_files_command, @@ -3236,7 +3262,7 @@ with the text. SECT is a section name to be loaded at SECT_ADDR.", c = add_cmd ("load", class_files, load_command, "Dynamically load FILE into the running program, and record its symbols\n\ for access from GDB.", &cmdlist); - c->completer = filename_completer; + set_cmd_completer (c, filename_completer); add_show_from_set (add_set_cmd ("symbol-reloading", class_support, var_boolean, |