/* Do various things to symbol tables (other than lookup), for GDB.
- Copyright (C) 1986-2015 Free Software Foundation, Inc.
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "psymtab.h"
-#ifndef DEV_TTY
-#define DEV_TTY "/dev/tty"
-#endif
-
/* Unfortunately for debugging, stderr is usually a macro. This is painful
when calling functions that take FILE *'s from the debugger.
So we make a variable which has the same value and which is accessible when
static int block_depth (struct block *);
-void _initialize_symmisc (void);
-
-struct print_symbol_args
- {
- struct gdbarch *gdbarch;
- struct symbol *symbol;
- int depth;
- struct ui_file *outfile;
- };
-
-static int print_symbol (void *);
+static void print_symbol (struct gdbarch *gdbarch, struct symbol *symbol,
+ int depth, ui_file *outfile);
\f
void
blockvectors);
if (OBJSTAT (objfile, sz_strtab) > 0)
- printf_filtered (_(" Space used by a.out string tables: %d\n"),
+ printf_filtered (_(" Space used by string tables: %d\n"),
OBJSTAT (objfile, sz_strtab));
printf_filtered (_(" Total memory used for objfile obstack: %s\n"),
pulongest (obstack_memory_used (&objfile
ms_type = 'T';
break;
case mst_text_gnu_ifunc:
+ case mst_data_gnu_ifunc:
ms_type = 'i';
break;
case mst_solib_trampoline:
}
static void
-dump_symtab_1 (struct objfile *objfile, struct symtab *symtab,
- struct ui_file *outfile)
+dump_symtab_1 (struct symtab *symtab, struct ui_file *outfile)
{
+ struct objfile *objfile = SYMTAB_OBJFILE (symtab);
struct gdbarch *gdbarch = get_objfile_arch (objfile);
int i;
struct dict_iterator iter;
block, not any blocks from included symtabs. */
ALL_DICT_SYMBOLS (BLOCK_DICT (b), iter, sym)
{
- struct print_symbol_args s;
-
- s.gdbarch = gdbarch;
- s.symbol = sym;
- s.depth = depth + 1;
- s.outfile = outfile;
- catch_errors (print_symbol, &s, "Error printing symbol:\n",
- RETURN_MASK_ERROR);
+ TRY
+ {
+ print_symbol (gdbarch, sym, depth + 1, outfile);
+ }
+ CATCH (ex, RETURN_MASK_ERROR)
+ {
+ exception_fprintf (gdb_stderr, ex,
+ "Error printing symbol:\n");
+ }
+ END_CATCH
}
}
fprintf_filtered (outfile, "\n");
}
else
{
- fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n");
+ const char *compunit_filename
+ = symtab_to_filename_for_display (COMPUNIT_FILETABS (SYMTAB_COMPUNIT (symtab)));
+
+ fprintf_filtered (outfile,
+ "\nBlockvector same as owning compunit: %s\n\n",
+ compunit_filename);
}
}
static void
-dump_symtab (struct objfile *objfile, struct symtab *symtab,
- struct ui_file *outfile)
+dump_symtab (struct symtab *symtab, struct ui_file *outfile)
{
/* Set the current language to the language of the symtab we're dumping
because certain routines used during dump_symtab() use the current
saved_lang = set_language (symtab->language);
- dump_symtab_1 (objfile, symtab, outfile);
+ dump_symtab_1 (symtab, outfile);
set_language (saved_lang);
}
else
- dump_symtab_1 (objfile, symtab, outfile);
+ dump_symtab_1 (symtab, outfile);
}
static void
-maintenance_print_symbols (char *args, int from_tty)
+maintenance_print_symbols (const char *args, int from_tty)
{
- char **argv;
- struct ui_file *outfile;
- struct cleanup *cleanups;
- char *symname = NULL;
- char *filename = DEV_TTY;
- struct objfile *objfile;
- struct compunit_symtab *cu;
- struct symtab *s;
+ struct ui_file *outfile = gdb_stdout;
+ char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL;
+ int i, outfile_idx;
dont_repeat ();
- if (args == NULL)
- {
- error (_("Arguments missing: an output file name "
- "and an optional symbol file name"));
- }
- argv = gdb_buildargv (args);
- cleanups = make_cleanup_freeargv (argv);
+ gdb_argv argv (args);
- if (argv[0] != NULL)
+ for (i = 0; argv != NULL && argv[i] != NULL; ++i)
{
- filename = argv[0];
- /* If a second arg is supplied, it is a source file name to match on. */
- if (argv[1] != NULL)
+ if (strcmp (argv[i], "-pc") == 0)
+ {
+ if (argv[i + 1] == NULL)
+ error (_("Missing pc value"));
+ address_arg = argv[++i];
+ }
+ else if (strcmp (argv[i], "-source") == 0)
{
- symname = argv[1];
+ if (argv[i + 1] == NULL)
+ error (_("Missing source file"));
+ source_arg = argv[++i];
}
+ else if (strcmp (argv[i], "-objfile") == 0)
+ {
+ if (argv[i + 1] == NULL)
+ error (_("Missing objfile name"));
+ objfile_arg = argv[++i];
+ }
+ else if (strcmp (argv[i], "--") == 0)
+ {
+ /* End of options. */
+ ++i;
+ break;
+ }
+ else if (argv[i][0] == '-')
+ {
+ /* Future proofing: Don't allow OUTFILE to begin with "-". */
+ error (_("Unknown option: %s"), argv[i]);
+ }
+ else
+ break;
}
+ outfile_idx = i;
+
+ if (address_arg != NULL && source_arg != NULL)
+ error (_("Must specify at most one of -pc and -source"));
- filename = tilde_expand (filename);
- make_cleanup (xfree, filename);
+ stdio_file arg_outfile;
- outfile = gdb_fopen (filename, FOPEN_WT);
- if (outfile == 0)
- perror_with_name (filename);
- make_cleanup_ui_file_delete (outfile);
+ if (argv != NULL && argv[outfile_idx] != NULL)
+ {
+ if (argv[outfile_idx + 1] != NULL)
+ error (_("Junk at end of command"));
+ gdb::unique_xmalloc_ptr<char> outfile_name
+ (tilde_expand (argv[outfile_idx]));
+ if (!arg_outfile.open (outfile_name.get (), FOPEN_WT))
+ perror_with_name (outfile_name.get ());
+ outfile = &arg_outfile;
+ }
+
+ if (address_arg != NULL)
+ {
+ CORE_ADDR pc = parse_and_eval_address (address_arg);
+ struct symtab *s = find_pc_line_symtab (pc);
- ALL_FILETABS (objfile, cu, s)
+ if (s == NULL)
+ error (_("No symtab for address: %s"), address_arg);
+ dump_symtab (s, outfile);
+ }
+ else
{
- QUIT;
- if (symname == NULL
- || filename_cmp (symname, symtab_to_filename_for_display (s)) == 0)
- dump_symtab (objfile, s, outfile);
+ struct objfile *objfile;
+ struct compunit_symtab *cu;
+ struct symtab *s;
+ int found = 0;
+
+ ALL_OBJFILES (objfile)
+ {
+ int print_for_objfile = 1;
+
+ if (objfile_arg != NULL)
+ print_for_objfile
+ = compare_filenames_for_search (objfile_name (objfile),
+ objfile_arg);
+ if (!print_for_objfile)
+ continue;
+
+ ALL_OBJFILE_FILETABS (objfile, cu, s)
+ {
+ int print_for_source = 0;
+
+ QUIT;
+ if (source_arg != NULL)
+ {
+ print_for_source
+ = compare_filenames_for_search
+ (symtab_to_filename_for_display (s), source_arg);
+ found = 1;
+ }
+ if (source_arg == NULL
+ || print_for_source)
+ dump_symtab (s, outfile);
+ }
+ }
+
+ if (source_arg != NULL && !found)
+ error (_("No symtab for source file: %s"), source_arg);
}
- do_cleanups (cleanups);
}
-/* Print symbol ARGS->SYMBOL on ARGS->OUTFILE. ARGS->DEPTH says how
- far to indent. ARGS is really a struct print_symbol_args *, but is
- declared as char * to get it past catch_errors. Returns 0 for error,
- 1 for success. */
+/* Print symbol SYMBOL on OUTFILE. DEPTH says how far to indent. */
-static int
-print_symbol (void *args)
+static void
+print_symbol (struct gdbarch *gdbarch, struct symbol *symbol,
+ int depth, ui_file *outfile)
{
- struct gdbarch *gdbarch = ((struct print_symbol_args *) args)->gdbarch;
- struct symbol *symbol = ((struct print_symbol_args *) args)->symbol;
- int depth = ((struct print_symbol_args *) args)->depth;
- struct ui_file *outfile = ((struct print_symbol_args *) args)->outfile;
struct obj_section *section;
if (SYMBOL_OBJFILE_OWNED (symbol))
section->the_bfd_section));
else
fprintf_filtered (outfile, "\n");
- return 1;
+ return;
}
+
if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN)
{
if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol)))
}
}
fprintf_filtered (outfile, "\n");
- return 1;
}
static void
-maintenance_print_msymbols (char *args, int from_tty)
+maintenance_print_msymbols (const char *args, int from_tty)
{
- char **argv;
- struct ui_file *outfile;
- struct cleanup *cleanups;
- char *filename = DEV_TTY;
- char *symname = NULL;
- struct program_space *pspace;
+ struct ui_file *outfile = gdb_stdout;
+ char *objfile_arg = NULL;
struct objfile *objfile;
-
- struct stat sym_st, obj_st;
+ int i, outfile_idx;
dont_repeat ();
- if (args == NULL)
- {
- error (_("print-msymbols takes an output file "
- "name and optional symbol file name"));
- }
- argv = gdb_buildargv (args);
- cleanups = make_cleanup_freeargv (argv);
+ gdb_argv argv (args);
- if (argv[0] != NULL)
+ for (i = 0; argv != NULL && argv[i] != NULL; ++i)
{
- filename = argv[0];
- /* If a second arg is supplied, it is a source file name to match on. */
- if (argv[1] != NULL)
+ if (strcmp (argv[i], "-objfile") == 0)
+ {
+ if (argv[i + 1] == NULL)
+ error (_("Missing objfile name"));
+ objfile_arg = argv[++i];
+ }
+ else if (strcmp (argv[i], "--") == 0)
+ {
+ /* End of options. */
+ ++i;
+ break;
+ }
+ else if (argv[i][0] == '-')
{
- symname = gdb_realpath (argv[1]);
- make_cleanup (xfree, symname);
- if (symname && stat (symname, &sym_st))
- perror_with_name (symname);
+ /* Future proofing: Don't allow OUTFILE to begin with "-". */
+ error (_("Unknown option: %s"), argv[i]);
}
+ else
+ break;
}
+ outfile_idx = i;
- filename = tilde_expand (filename);
- make_cleanup (xfree, filename);
+ stdio_file arg_outfile;
- outfile = gdb_fopen (filename, FOPEN_WT);
- if (outfile == 0)
- perror_with_name (filename);
- make_cleanup_ui_file_delete (outfile);
+ if (argv != NULL && argv[outfile_idx] != NULL)
+ {
+ if (argv[outfile_idx + 1] != NULL)
+ error (_("Junk at end of command"));
+ gdb::unique_xmalloc_ptr<char> outfile_name
+ (tilde_expand (argv[outfile_idx]));
+ if (!arg_outfile.open (outfile_name.get (), FOPEN_WT))
+ perror_with_name (outfile_name.get ());
+ outfile = &arg_outfile;
+ }
- ALL_PSPACES (pspace)
- ALL_PSPACE_OBJFILES (pspace, objfile)
- {
- QUIT;
- if (symname == NULL || (!stat (objfile_name (objfile), &obj_st)
- && sym_st.st_dev == obj_st.st_dev
- && sym_st.st_ino == obj_st.st_ino))
- dump_msymbols (objfile, outfile);
- }
- fprintf_filtered (outfile, "\n\n");
- do_cleanups (cleanups);
+ ALL_OBJFILES (objfile)
+ {
+ QUIT;
+ if (objfile_arg == NULL
+ || compare_filenames_for_search (objfile_name (objfile), objfile_arg))
+ dump_msymbols (objfile, outfile);
+ }
}
static void
-maintenance_print_objfiles (char *regexp, int from_tty)
+maintenance_print_objfiles (const char *regexp, int from_tty)
{
struct program_space *pspace;
struct objfile *objfile;
/* List all the symbol tables whose names match REGEXP (optional). */
static void
-maintenance_info_symtabs (char *regexp, int from_tty)
+maintenance_info_symtabs (const char *regexp, int from_tty)
{
struct program_space *pspace;
struct objfile *objfile;
Use "maint check-psymtabs" for that. */
static void
-maintenance_check_symtabs (char *ignore, int from_tty)
+maintenance_check_symtabs (const char *ignore, int from_tty)
{
struct program_space *pspace;
struct objfile *objfile;
}
}
-/* Helper function for maintenance_expand_symtabs.
- This is the name_matcher function for expand_symtabs_matching. */
-
-static int
-maintenance_expand_name_matcher (const char *symname, void *data)
-{
- /* Since we're not searching on symbols, just return TRUE. */
- return 1;
-}
-
-/* Helper function for maintenance_expand_symtabs.
- This is the file_matcher function for expand_symtabs_matching. */
-
-static int
-maintenance_expand_file_matcher (const char *filename, void *data,
- int basenames)
-{
- const char *regexp = data;
-
- QUIT;
-
- /* KISS: Only apply the regexp to the complete file name. */
- if (basenames)
- return 0;
-
- if (regexp == NULL || re_exec (filename))
- return 1;
-
- return 0;
-}
-
/* Expand all symbol tables whose name matches an optional regexp. */
static void
-maintenance_expand_symtabs (char *args, int from_tty)
+maintenance_expand_symtabs (const char *args, int from_tty)
{
struct program_space *pspace;
struct objfile *objfile;
- struct cleanup *cleanups;
- char **argv;
char *regexp = NULL;
/* We use buildargv here so that we handle spaces in the regexp
in a way that allows adding more arguments later. */
- argv = gdb_buildargv (args);
- cleanups = make_cleanup_freeargv (argv);
+ gdb_argv argv (args);
if (argv != NULL)
{
if (objfile->sf)
{
objfile->sf->qf->expand_symtabs_matching
- (objfile, maintenance_expand_file_matcher,
- maintenance_expand_name_matcher, ALL_DOMAIN, regexp);
+ (objfile,
+ [&] (const char *filename, bool basenames)
+ {
+ /* KISS: Only apply the regexp to the complete file name. */
+ return (!basenames
+ && (regexp == NULL || re_exec (filename)));
+ },
+ lookup_name_info::match_any (),
+ [] (const char *symname)
+ {
+ /* Since we're not searching on symbols, just return true. */
+ return true;
+ },
+ NULL,
+ ALL_DOMAIN);
}
}
-
- do_cleanups (cleanups);
}
\f
}
\f
+/* Used by MAINTENANCE_INFO_LINE_TABLES to print the information about a
+ single line table. */
+
+static int
+maintenance_print_one_line_table (struct symtab *symtab, void *data)
+{
+ struct linetable *linetable;
+ struct objfile *objfile;
+
+ objfile = symtab->compunit_symtab->objfile;
+ printf_filtered (_("objfile: %s ((struct objfile *) %s)\n"),
+ objfile_name (objfile),
+ host_address_to_string (objfile));
+ printf_filtered (_("compunit_symtab: ((struct compunit_symtab *) %s)\n"),
+ host_address_to_string (symtab->compunit_symtab));
+ printf_filtered (_("symtab: %s ((struct symtab *) %s)\n"),
+ symtab_to_fullname (symtab),
+ host_address_to_string (symtab));
+ linetable = SYMTAB_LINETABLE (symtab);
+ printf_filtered (_("linetable: ((struct linetable *) %s):\n"),
+ host_address_to_string (linetable));
+
+ if (linetable == NULL)
+ printf_filtered (_("No line table.\n"));
+ else if (linetable->nitems <= 0)
+ printf_filtered (_("Line table has no lines.\n"));
+ else
+ {
+ int i;
+
+ /* Leave space for 6 digits of index and line number. After that the
+ tables will just not format as well. */
+ printf_filtered (_("%-6s %6s %s\n"),
+ _("INDEX"), _("LINE"), _("ADDRESS"));
+
+ for (i = 0; i < linetable->nitems; ++i)
+ {
+ struct linetable_entry *item;
+
+ item = &linetable->item [i];
+ printf_filtered (_("%-6d %6d %s\n"), i, item->line,
+ core_addr_to_string (item->pc));
+ }
+ }
+
+ return 0;
+}
+
+/* Implement the 'maint info line-table' command. */
+
+static void
+maintenance_info_line_tables (const char *regexp, int from_tty)
+{
+ struct program_space *pspace;
+ struct objfile *objfile;
+
+ dont_repeat ();
+
+ if (regexp != NULL)
+ re_comp (regexp);
+
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_OBJFILES (pspace, objfile)
+ {
+ struct compunit_symtab *cust;
+ struct symtab *symtab;
+
+ ALL_OBJFILE_COMPUNITS (objfile, cust)
+ {
+ ALL_COMPUNIT_FILETABS (cust, symtab)
+ {
+ QUIT;
+
+ if (regexp == NULL
+ || re_exec (symtab_to_filename_for_display (symtab)))
+ maintenance_print_one_line_table (symtab, NULL);
+ }
+ }
+ }
+}
+
+\f
+
/* Do early runtime initializations. */
void
add_cmd ("symbols", class_maintenance, maintenance_print_symbols, _("\
Print dump of current symbol definitions.\n\
-Entries in the full symbol table are dumped to file OUTFILE.\n\
-If a SOURCE file is specified, dump only that file's symbols."),
+Usage: mt print symbols [-pc address] [--] [outfile]\n\
+ mt print symbols [-objfile objfile] [-source source] [--] [outfile]\n\
+Entries in the full symbol table are dumped to file OUTFILE,\n\
+or the terminal if OUTFILE is unspecified.\n\
+If ADDRESS is provided, dump only the file for that address.\n\
+If SOURCE is provided, dump only that file's symbols.\n\
+If OBJFILE is provided, dump only that file's minimal symbols."),
&maintenanceprintlist);
add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, _("\
Print dump of current minimal symbol definitions.\n\
-Entries in the minimal symbol table are dumped to file OUTFILE.\n\
-If a SOURCE file is specified, dump only that file's minimal symbols."),
+Usage: mt print msymbols [-objfile objfile] [--] [outfile]\n\
+Entries in the minimal symbol table are dumped to file OUTFILE,\n\
+or the terminal if OUTFILE is unspecified.\n\
+If OBJFILE is provided, dump only that file's minimal symbols."),
&maintenanceprintlist);
add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
With an argument REGEXP, list the symbol tables with matching names."),
&maintenanceinfolist);
+ add_cmd ("line-table", class_maintenance, maintenance_info_line_tables, _("\
+List the contents of all line tables, from all symbol tables.\n\
+With an argument REGEXP, list just the line tables for the symbol\n\
+tables with matching names."),
+ &maintenanceinfolist);
+
add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
_("\
Check consistency of currently expanded symtabs."),