X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fsymfile.c;h=0c8d574e6032403188a340a30c887c843b90fea0;hb=ea764154c27a11619ba764a4c92f395ba5007234;hp=e417878031db8b7bb8cc52463475ed83b0632408;hpb=328d42d87e97c75d6e52800bfd4bc1bfdfb745d2;p=binutils-gdb.git diff --git a/gdb/symfile.c b/gdb/symfile.c index e417878031d..0c8d574e603 100644 --- a/gdb/symfile.c +++ b/gdb/symfile.c @@ -1,6 +1,6 @@ /* Generic symbol file reading for the GNU debugger, GDB. - Copyright (C) 1990-2021 Free Software Foundation, Inc. + Copyright (C) 1990-2022 Free Software Foundation, Inc. Contributed by Cygnus Support, using pieces from other GDB modules. @@ -40,7 +40,7 @@ #include "regcache.h" #include "filenames.h" /* for DOSish file names */ #include "gdb-stabs.h" -#include "gdb_obstack.h" +#include "gdbsupport/gdb_obstack.h" #include "completer.h" #include "bcache.h" #include "hashtab.h" @@ -61,6 +61,7 @@ #include "gdbsupport/selftest.h" #include "cli/cli-style.h" #include "gdbsupport/forward-scope-exit.h" +#include "gdbsupport/buildargv.h" #include #include @@ -415,7 +416,7 @@ relative_addr_info_to_section_offsets (section_offsets §ion_offsets, osp = &addrs[i]; if (osp->sectindex == -1) - continue; + continue; /* Record all sections in offsets. */ /* The section_offsets in the objfile are here filled in using @@ -1261,8 +1262,8 @@ separate_debug_file_exists (const std::string &name, unsigned long crc, if (separate_debug_file_debug) { - printf_filtered (_(" Trying %s..."), name.c_str ()); - gdb_flush (gdb_stdout); + fprintf_filtered (gdb_stdlog, _(" Trying %s..."), name.c_str ()); + gdb_flush (gdb_stdlog); } gdb_bfd_ref_ptr abfd (gdb_bfd_open (name.c_str (), gnutarget)); @@ -1270,7 +1271,7 @@ separate_debug_file_exists (const std::string &name, unsigned long crc, if (abfd == NULL) { if (separate_debug_file_debug) - printf_filtered (_(" no, unable to open.\n")); + fprintf_filtered (gdb_stdlog, _(" no, unable to open.\n")); return 0; } @@ -1294,7 +1295,8 @@ separate_debug_file_exists (const std::string &name, unsigned long crc, && abfd_stat.st_ino == parent_stat.st_ino) { if (separate_debug_file_debug) - printf_filtered (_(" no, same file as the objfile.\n")); + fprintf_filtered (gdb_stdlog, + _(" no, same file as the objfile.\n")); return 0; } @@ -1308,7 +1310,7 @@ separate_debug_file_exists (const std::string &name, unsigned long crc, if (!file_crc_p) { if (separate_debug_file_debug) - printf_filtered (_(" no, error computing CRC.\n")); + fprintf_filtered (gdb_stdlog, _(" no, error computing CRC.\n")); return 0; } @@ -1326,7 +1328,8 @@ separate_debug_file_exists (const std::string &name, unsigned long crc, if (!gdb_bfd_crc (parent_objfile->obfd, &parent_crc)) { if (separate_debug_file_debug) - printf_filtered (_(" no, error computing CRC.\n")); + fprintf_filtered (gdb_stdlog, + _(" no, error computing CRC.\n")); return 0; } @@ -1338,18 +1341,18 @@ separate_debug_file_exists (const std::string &name, unsigned long crc, name.c_str (), objfile_name (parent_objfile)); if (separate_debug_file_debug) - printf_filtered (_(" no, CRC doesn't match.\n")); + fprintf_filtered (gdb_stdlog, _(" no, CRC doesn't match.\n")); return 0; } if (separate_debug_file_debug) - printf_filtered (_(" yes!\n")); + fprintf_filtered (gdb_stdlog, _(" yes!\n")); return 1; } -char *debug_file_directory = NULL; +std::string debug_file_directory; static void show_debug_file_directory (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) @@ -1379,8 +1382,9 @@ find_separate_debug_file (const char *dir, unsigned long crc32, struct objfile *objfile) { if (separate_debug_file_debug) - printf_filtered (_("\nLooking for separate debug info (debug link) for " - "%s\n"), objfile_name (objfile)); + fprintf_filtered (gdb_stdlog, + _("\nLooking for separate debug info (debug link) for " + "%s\n"), objfile_name (objfile)); /* First try in the same directory as the original file. */ std::string debugfile = dir; @@ -1406,8 +1410,9 @@ find_separate_debug_file (const char *dir, bool target_prefix = startswith (dir, "target:"); const char *dir_notarget = target_prefix ? dir + strlen ("target:") : dir; std::vector> debugdir_vec - = dirnames_to_char_ptr_vec (debug_file_directory); - gdb::unique_xmalloc_ptr canon_sysroot = gdb_realpath (gdb_sysroot); + = dirnames_to_char_ptr_vec (debug_file_directory.c_str ()); + gdb::unique_xmalloc_ptr canon_sysroot + = gdb_realpath (gdb_sysroot.c_str ()); /* MS-Windows/MS-DOS don't allow colons in file names; we must convert the drive letter into a one-letter directory, so that the @@ -1433,7 +1438,7 @@ find_separate_debug_file (const char *dir, for (const gdb::unique_xmalloc_ptr &debugdir : debugdir_vec) { debugfile = target_prefix ? "target:" : ""; - debugfile += debugdir.get (); + debugfile += debugdir; debugfile += "/"; debugfile += drive; debugfile += dir_notarget; @@ -1448,14 +1453,14 @@ find_separate_debug_file (const char *dir, if (canon_sysroot.get () != NULL) base_path = child_path (canon_sysroot.get (), canon_dir); else - base_path = child_path (gdb_sysroot, canon_dir); + base_path = child_path (gdb_sysroot.c_str (), canon_dir); } if (base_path != NULL) { /* If the file is in the sysroot, try using its base path in the global debugfile directory. */ debugfile = target_prefix ? "target:" : ""; - debugfile += debugdir.get (); + debugfile += debugdir; debugfile += "/"; debugfile += base_path; debugfile += "/"; @@ -1468,7 +1473,7 @@ find_separate_debug_file (const char *dir, the sysroot's global debugfile directory. */ debugfile = target_prefix ? "target:" : ""; debugfile += gdb_sysroot; - debugfile += debugdir.get (); + debugfile += debugdir; debugfile += "/"; debugfile += base_path; debugfile += "/"; @@ -1796,7 +1801,7 @@ load_command (const char *arg, int from_tty) /* The user might be reloading because the binary has changed. Take this opportunity to check. */ reopen_exec_file (); - reread_symbols (); + reread_symbols (from_tty); std::string temp; if (arg == NULL) @@ -2272,8 +2277,8 @@ add_symbol_file_command (const char *args, int from_tty) statements because hex_string returns a local static string. */ - printf_unfiltered (_("add symbol table from file \"%s\""), - filename.get ()); + printf_filtered (_("add symbol table from file \"%s\""), + filename.get ()); section_addr_info section_addrs; std::vector::const_iterator it = sect_opts.begin (); if (!seen_addr) @@ -2285,7 +2290,7 @@ add_symbol_file_command (const char *args, int from_tty) const char *sec = it->name; if (section_addrs.empty ()) - printf_unfiltered (_(" at\n")); + printf_filtered (_(" at\n")); addr = parse_and_eval_address (val); /* Here we store the section offsets in the order they were @@ -2305,13 +2310,13 @@ add_symbol_file_command (const char *args, int from_tty) so we can't determine what section names are valid. */ } if (seen_offset) - printf_unfiltered (_("%s offset by %s\n"), - (section_addrs.empty () - ? _(" with all sections") - : _("with other sections")), - paddress (gdbarch, offset)); + printf_filtered (_("%s offset by %s\n"), + (section_addrs.empty () + ? _(" with all sections") + : _("with other sections")), + paddress (gdbarch, offset)); else if (section_addrs.empty ()) - printf_unfiltered ("\n"); + printf_filtered ("\n"); if (from_tty && (!query ("%s", ""))) error (_("Not confirmed.")); @@ -2410,7 +2415,7 @@ remove_symbol_file_command (const char *args, int from_tty) /* Re-read symbols if a symbol-file has changed. */ void -reread_symbols (void) +reread_symbols (int from_tty) { long new_modtime; struct stat new_statbuf; @@ -2587,11 +2592,24 @@ reread_symbols (void) read_symbols (objfile, 0); + if ((objfile->flags & OBJF_READNOW)) + { + const int mainline = objfile->flags & OBJF_MAINLINE; + const int should_print = (print_symbol_loading_p (from_tty, mainline, 1) + && readnow_symbol_files); + if (should_print) + printf_filtered (_("Expanding full symbols from %ps...\n"), + styled_string (file_name_style.style (), + objfile_name (objfile))); + + objfile->expand_all_symtabs (); + } + if (!objfile_has_symbols (objfile)) { - wrap_here (""); + gdb_stdout->wrap_here (0); printf_filtered (_("(no debugging symbols found)\n")); - wrap_here (""); + gdb_stdout->wrap_here (0); } /* We're done reading the symbol file; finish off complaints. */ @@ -2654,7 +2672,7 @@ add_filename_language (const char *ext, enum language lang) filename_language_table.emplace_back (ext, lang); } -static char *ext_args; +static std::string ext_args; static void show_ext_args (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) @@ -2669,48 +2687,48 @@ static void set_ext_lang_command (const char *args, int from_tty, struct cmd_list_element *e) { - char *cp = ext_args; - enum language lang; + const char *begin = ext_args.c_str (); + const char *end = ext_args.c_str (); /* First arg is filename extension, starting with '.' */ - if (*cp != '.') - error (_("'%s': Filename extension must begin with '.'"), ext_args); + if (*end != '.') + error (_("'%s': Filename extension must begin with '.'"), ext_args.c_str ()); /* Find end of first arg. */ - while (*cp && !isspace (*cp)) - cp++; + while (*end != '\0' && !isspace (*end)) + end++; - if (*cp == '\0') + if (*end == '\0') error (_("'%s': two arguments required -- " "filename extension and language"), - ext_args); + ext_args.c_str ()); - /* Null-terminate first arg. */ - *cp++ = '\0'; + /* Extract first arg, the extension. */ + std::string extension = ext_args.substr (0, end - begin); /* Find beginning of second arg, which should be a source language. */ - cp = skip_spaces (cp); + begin = skip_spaces (end); - if (*cp == '\0') + if (*begin == '\0') error (_("'%s': two arguments required -- " "filename extension and language"), - ext_args); + ext_args.c_str ()); /* Lookup the language from among those we know. */ - lang = language_enum (cp); + language lang = language_enum (begin); auto it = filename_language_table.begin (); /* Now lookup the filename extension: do we already know it? */ for (; it != filename_language_table.end (); it++) { - if (it->ext == ext_args) + if (it->ext == extension) break; } if (it == filename_language_table.end ()) { /* New file extension. */ - add_filename_language (ext_args, lang); + add_filename_language (extension.data (), lang); } else { @@ -2756,13 +2774,13 @@ deduce_language_from_filename (const char *filename) struct symtab * allocate_symtab (struct compunit_symtab *cust, const char *filename) { - struct objfile *objfile = cust->objfile; + struct objfile *objfile = cust->objfile (); struct symtab *symtab = OBSTACK_ZALLOC (&objfile->objfile_obstack, struct symtab); symtab->filename = objfile->intern (filename); symtab->fullname = NULL; - symtab->language = deduce_language_from_filename (filename); + symtab->set_language (deduce_language_from_filename (filename)); /* This can be very verbose with lots of headers. Only print at higher debug levels. */ @@ -2770,16 +2788,15 @@ allocate_symtab (struct compunit_symtab *cust, const char *filename) { /* Be a bit clever with debugging messages, and don't print objfile every time, only when it changes. */ - static char *last_objfile_name = NULL; + static std::string last_objfile_name; + const char *this_objfile_name = objfile_name (objfile); - if (last_objfile_name == NULL - || strcmp (last_objfile_name, objfile_name (objfile)) != 0) + if (last_objfile_name.empty () || last_objfile_name != this_objfile_name) { - xfree (last_objfile_name); - last_objfile_name = xstrdup (objfile_name (objfile)); + last_objfile_name = this_objfile_name; fprintf_filtered (gdb_stdlog, "Creating one or more symtabs for objfile %s ...\n", - last_objfile_name); + this_objfile_name); } fprintf_filtered (gdb_stdlog, "Created symtab %s for module %s.\n", @@ -2787,19 +2804,10 @@ allocate_symtab (struct compunit_symtab *cust, const char *filename) } /* Add it to CUST's list of symtabs. */ - if (cust->filetabs == NULL) - { - cust->filetabs = symtab; - cust->last_filetab = symtab; - } - else - { - cust->last_filetab->next = symtab; - cust->last_filetab = symtab; - } + cust->add_filetab (symtab); /* Backlink to the containing compunit symtab. */ - symtab->compunit_symtab = cust; + symtab->set_compunit (cust); return symtab; } @@ -2815,7 +2823,7 @@ allocate_compunit_symtab (struct objfile *objfile, const char *name) struct compunit_symtab); const char *saved_name; - cu->objfile = objfile; + cu->set_objfile (objfile); /* The name we record here is only for display/debugging purposes. Just save the basename to avoid path issues (too long for display, @@ -2823,7 +2831,7 @@ allocate_compunit_symtab (struct objfile *objfile, const char *name) saved_name = lbasename (name); cu->name = obstack_strdup (&objfile->objfile_obstack, saved_name); - COMPUNIT_DEBUGFORMAT (cu) = "unknown"; + cu->set_debugformat ("unknown"); if (symtab_create_debug) { @@ -2841,8 +2849,8 @@ allocate_compunit_symtab (struct objfile *objfile, const char *name) void add_compunit_symtab_to_objfile (struct compunit_symtab *cu) { - cu->next = cu->objfile->compunit_symtabs; - cu->objfile->compunit_symtabs = cu; + cu->next = cu->objfile ()->compunit_symtabs; + cu->objfile ()->compunit_symtabs = cu; } @@ -3013,7 +3021,7 @@ pc_in_unmapped_range (CORE_ADDR pc, struct obj_section *section) /* We assume the LMA is relocated by the same offset as the VMA. */ bfd_vma size = bfd_section_size (bfd_section); - CORE_ADDR offset = obj_section_offset (section); + CORE_ADDR offset = section->offset (); if (bfd_section_lma (bfd_section) + offset <= pc && pc < bfd_section_lma (bfd_section) + offset + size) @@ -3031,8 +3039,8 @@ pc_in_mapped_range (CORE_ADDR pc, struct obj_section *section) { if (section_is_overlay (section)) { - if (obj_section_addr (section) <= pc - && pc < obj_section_endaddr (section)) + if (section->addr () <= pc + && pc < section->endaddr ()) return 1; } @@ -3045,10 +3053,10 @@ pc_in_mapped_range (CORE_ADDR pc, struct obj_section *section) static int sections_overlap (struct obj_section *a, struct obj_section *b) { - CORE_ADDR a_start = obj_section_addr (a); - CORE_ADDR a_end = obj_section_endaddr (a); - CORE_ADDR b_start = obj_section_addr (b); - CORE_ADDR b_end = obj_section_endaddr (b); + CORE_ADDR a_start = a->addr (); + CORE_ADDR a_end = a->endaddr (); + CORE_ADDR b_start = b->addr (); + CORE_ADDR b_end = b->endaddr (); return (a_start < b_end && b_start < a_end); } @@ -3194,13 +3202,13 @@ list_overlays_command (const char *args, int from_tty) name = bfd_section_name (osect->the_bfd_section); printf_filtered ("Section %s, loaded at ", name); - fputs_filtered (paddress (gdbarch, lma), gdb_stdout); + puts_filtered (paddress (gdbarch, lma)); puts_filtered (" - "); - fputs_filtered (paddress (gdbarch, lma + size), gdb_stdout); + puts_filtered (paddress (gdbarch, lma + size)); printf_filtered (", mapped at "); - fputs_filtered (paddress (gdbarch, vma), gdb_stdout); + puts_filtered (paddress (gdbarch, vma)); puts_filtered (" - "); - fputs_filtered (paddress (gdbarch, vma + size), gdb_stdout); + puts_filtered (paddress (gdbarch, vma + size)); puts_filtered ("\n"); nmapped++; @@ -3246,8 +3254,8 @@ map_overlay_command (const char *args, int from_tty) sec2)) { if (info_verbose) - printf_unfiltered (_("Note: section %s unmapped by overlap\n"), - bfd_section_name (sec2->the_bfd_section)); + printf_filtered (_("Note: section %s unmapped by overlap\n"), + bfd_section_name (sec2->the_bfd_section)); sec2->ovly_mapped = 0; /* sec2 overlaps sec: unmap sec2. */ } return; @@ -3295,7 +3303,7 @@ overlay_auto_command (const char *args, int from_tty) overlay_debugging = ovly_auto; enable_overlay_breakpoints (); if (info_verbose) - printf_unfiltered (_("Automatic overlay debugging enabled.")); + printf_filtered (_("Automatic overlay debugging enabled.")); } /* Function: overlay_manual_command @@ -3308,7 +3316,7 @@ overlay_manual_command (const char *args, int from_tty) overlay_debugging = ovly_on; disable_overlay_breakpoints (); if (info_verbose) - printf_unfiltered (_("Overlay debugging enabled.")); + printf_filtered (_("Overlay debugging enabled.")); } /* Function: overlay_off_command @@ -3321,7 +3329,7 @@ overlay_off_command (const char *args, int from_tty) overlay_debugging = ovly_off; disable_overlay_breakpoints (); if (info_verbose) - printf_unfiltered (_("Overlay debugging disabled.")); + printf_filtered (_("Overlay debugging disabled.")); } static void @@ -3717,19 +3725,25 @@ symfile_free_objfile (struct objfile *objfile) Expand all symtabs that match the specified criteria. See quick_symbol_functions.expand_symtabs_matching for details. */ -void +bool expand_symtabs_matching (gdb::function_view file_matcher, const lookup_name_info &lookup_name, gdb::function_view symbol_matcher, gdb::function_view expansion_notify, + block_search_flags search_flags, enum search_domain kind) { for (objfile *objfile : current_program_space->objfiles ()) - objfile->expand_symtabs_matching (file_matcher, - &lookup_name, - symbol_matcher, - expansion_notify, kind); + if (!objfile->expand_symtabs_matching (file_matcher, + &lookup_name, + symbol_matcher, + expansion_notify, + search_flags, + UNDEF_DOMAIN, + kind)) + return false; + return true; } /* Wrapper around the quick_symbol_functions map_symbol_filenames "method". @@ -3737,11 +3751,11 @@ expand_symtabs_matching See quick_symbol_functions.map_symbol_filenames for details. */ void -map_symbol_filenames (symbol_filename_ftype *fun, void *data, - int need_fullname) +map_symbol_filenames (gdb::function_view fun, + bool need_fullname) { for (objfile *objfile : current_program_space->objfiles ()) - objfile->map_symbol_filenames (fun, data, need_fullname); + objfile->map_symbol_filenames (fun, need_fullname); } #if GDB_SELF_TEST @@ -3779,8 +3793,7 @@ test_set_ext_lang_command () SELF_CHECK (lang == language_unknown); /* Test adding a new extension using the CLI command. */ - auto args_holder = make_unique_xstrdup (".hello rust"); - ext_args = args_holder.get (); + ext_args = ".hello rust"; set_ext_lang_command (NULL, 1, NULL); lang = deduce_language_from_filename ("cake.hello"); @@ -3788,8 +3801,7 @@ test_set_ext_lang_command () /* Test overriding an existing extension using the CLI command. */ int size_before = filename_language_table.size (); - args_holder.reset (xstrdup (".hello pascal")); - ext_args = args_holder.get (); + ext_args = ".hello pascal"; set_ext_lang_command (NULL, 1, NULL); int size_after = filename_language_table.size (); @@ -3809,7 +3821,7 @@ _initialize_symfile () { struct cmd_list_element *c; - gdb::observers::free_objfile.attach (symfile_free_objfile); + gdb::observers::free_objfile.attach (symfile_free_objfile, "symfile"); #define READNOW_READNEVER_HELP \ "The '-readnow' option will cause GDB to read the entire symbol file\n\ @@ -3858,12 +3870,13 @@ When OFFSET is provided, FILE must also be provided. FILE can be provided\n\ on its own."), &cmdlist); set_cmd_completer (c, filename_completer); - add_basic_prefix_cmd ("overlay", class_support, - _("Commands for debugging overlays."), &overlaylist, - "overlay ", 0, &cmdlist); + cmd_list_element *overlay_cmd + = add_basic_prefix_cmd ("overlay", class_support, + _("Commands for debugging overlays."), &overlaylist, + 0, &cmdlist); - add_com_alias ("ovly", "overlay", class_support, 1); - add_com_alias ("ov", "overlay", class_support, 1); + add_com_alias ("ovly", overlay_cmd, class_support, 1); + add_com_alias ("ov", overlay_cmd, class_support, 1); add_cmd ("map-overlay", class_support, map_overlay_command, _("Assert that an overlay section is mapped."), &overlaylist);