case VARIABLES_DOMAIN: return "VARIABLES_DOMAIN";
case FUNCTIONS_DOMAIN: return "FUNCTIONS_DOMAIN";
case TYPES_DOMAIN: return "TYPES_DOMAIN";
+ case MODULES_DOMAIN: return "MODULES_DOMAIN";
case ALL_DOMAIN: return "ALL_DOMAIN";
default: gdb_assert_not_reached ("bad search_domain");
}
void
symbol_set_names (struct general_symbol_info *gsymbol,
- const char *linkage_name, int len, bool copy_name,
+ gdb::string_view linkage_name, bool copy_name,
struct objfile_per_bfd_storage *per_bfd)
{
struct demangled_name_entry **slot;
- /* A 0-terminated copy of the linkage name. */
- const char *linkage_name_copy;
if (gsymbol->language == language_ada)
{
/* In Ada, we do the symbol lookups using the mangled name, so
we can save some space by not storing the demangled name. */
if (!copy_name)
- gsymbol->name = linkage_name;
+ gsymbol->name = linkage_name.data ();
else
{
char *name = (char *) obstack_alloc (&per_bfd->storage_obstack,
- len + 1);
+ linkage_name.length () + 1);
- memcpy (name, linkage_name, len);
- name[len] = '\0';
+ memcpy (name, linkage_name.data (), linkage_name.length ());
+ name[linkage_name.length ()] = '\0';
gsymbol->name = name;
}
symbol_set_demangled_name (gsymbol, NULL, &per_bfd->storage_obstack);
if (per_bfd->demangled_names_hash == NULL)
create_demangled_names_hash (per_bfd);
- if (linkage_name[len] != '\0')
- {
- char *alloc_name;
-
- alloc_name = (char *) alloca (len + 1);
- memcpy (alloc_name, linkage_name, len);
- alloc_name[len] = '\0';
-
- linkage_name_copy = alloc_name;
- }
- else
- linkage_name_copy = linkage_name;
-
- struct demangled_name_entry entry (gdb::string_view (linkage_name_copy, len));
+ struct demangled_name_entry entry (linkage_name);
slot = ((struct demangled_name_entry **)
htab_find_slot (per_bfd->demangled_names_hash.get (),
&entry, INSERT));
This happens to, e.g., main.init (__go_init_main). Cope. */
|| (gsymbol->language == language_go && (*slot)->demangled == nullptr))
{
+ /* A 0-terminated copy of the linkage name. Callers must set COPY_NAME
+ to true if the string might not be nullterminated. We have to make
+ this copy because demangling needs a nullterminated string. */
+ gdb::string_view linkage_name_copy;
+ if (copy_name)
+ {
+ char *alloc_name = (char *) alloca (linkage_name.length () + 1);
+ memcpy (alloc_name, linkage_name.data (), linkage_name.length ());
+ alloc_name[linkage_name.length ()] = '\0';
+
+ linkage_name_copy = gdb::string_view (alloc_name,
+ linkage_name.length ());
+ }
+ else
+ linkage_name_copy = linkage_name;
+
gdb::unique_xmalloc_ptr<char> demangled_name_ptr
- (symbol_find_demangled_name (gsymbol, linkage_name_copy));
+ (symbol_find_demangled_name (gsymbol, linkage_name_copy.data ()));
/* Suppose we have demangled_name==NULL, copy_name==0, and
linkage_name_copy==linkage_name. In this case, we already have the
It turns out that it is actually important to still save such
an entry in the hash table, because storing this name gives
us better bcache hit rates for partial symbols. */
- if (!copy_name && linkage_name_copy == linkage_name)
+ if (!copy_name)
{
*slot
= ((struct demangled_name_entry *)
obstack_alloc (&per_bfd->storage_obstack,
sizeof (demangled_name_entry)));
- new (*slot) demangled_name_entry
- (gdb::string_view (linkage_name, len));
+ new (*slot) demangled_name_entry (linkage_name);
}
else
{
*slot
= ((struct demangled_name_entry *)
obstack_alloc (&per_bfd->storage_obstack,
- sizeof (demangled_name_entry) + len + 1));
+ sizeof (demangled_name_entry)
+ + linkage_name.length () + 1));
char *mangled_ptr = reinterpret_cast<char *> (*slot + 1);
- strcpy (mangled_ptr, linkage_name_copy);
+ memcpy (mangled_ptr, linkage_name.data (), linkage_name.length ());
+ mangled_ptr [linkage_name.length ()] = '\0';
new (*slot) demangled_name_entry
- (gdb::string_view (mangled_ptr, len));
+ (gdb::string_view (mangled_ptr, linkage_name.length ()));
}
(*slot)->demangled = std::move (demangled_name_ptr);
(*slot)->language = gsymbol->language;
gdb::optional<compiled_regex> preg;
gdb::optional<compiled_regex> treg;
- gdb_assert (kind <= TYPES_DOMAIN);
+ gdb_assert (kind != ALL_DOMAIN);
ourtype = types[kind];
ourtype2 = types2[kind];
sym)))
|| (kind == TYPES_DOMAIN
&& SYMBOL_CLASS (sym) == LOC_TYPEDEF
- && SYMBOL_DOMAIN (sym) != MODULE_DOMAIN))))
+ && SYMBOL_DOMAIN (sym) != MODULE_DOMAIN)
+ || (kind == MODULES_DOMAIN
+ && SYMBOL_DOMAIN (sym) == MODULE_DOMAIN
+ && SYMBOL_LINE (sym) != 0))))
{
/* match */
result.emplace_back (i, sym);
if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_TYPEDEF)
typedef_print (SYMBOL_TYPE (sym), sym, gdb_stdout);
else
- {
- type_print (SYMBOL_TYPE (sym), "", gdb_stdout, -1);
- printf_filtered ("\n");
- }
+ type_print (SYMBOL_TYPE (sym), "", gdb_stdout, -1);
+ printf_filtered ("\n");
}
/* variable, func, or typedef-that-is-c++-class. */
else if (kind < TYPES_DOMAIN
printf_filtered (";\n");
}
+ /* Printing of modules is currently done here, maybe at some future
+ point we might want a language specific method to print the module
+ symbol so that we can customise the output more. */
+ else if (kind == MODULES_DOMAIN)
+ printf_filtered ("%s\n", SYMBOL_PRINT_NAME (sym));
}
/* This help function for symtab_symbol_info() prints information
const char *t_regexp, int from_tty)
{
static const char * const classnames[] =
- {"variable", "function", "type"};
+ {"variable", "function", "type", "module"};
const char *last_filename = "";
int first = 1;
- gdb_assert (kind <= TYPES_DOMAIN);
+ gdb_assert (kind != ALL_DOMAIN);
if (regexp != nullptr && *regexp == '\0')
regexp = nullptr;
symbol_completer (ignore, tracker, text, word);
}
+/* Implement the 'info modules' command. */
+
+static void
+info_modules_command (const char *args, int from_tty)
+{
+ info_types_options opts;
+
+ auto grp = make_info_types_options_def_group (&opts);
+ gdb::option::process_options
+ (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp);
+ if (args != nullptr && *args == '\0')
+ args = nullptr;
+ symtab_symbol_info (opts.quiet, true, args, MODULES_DOMAIN, NULL,
+ from_tty);
+}
+
/* Breakpoint all functions matching regular expression. */
void
\f
+/* Hold the sub-commands of 'info module'. */
+
+static struct cmd_list_element *info_module_cmdlist = NULL;
+
+/* Implement the 'info module' command, just displays some help text for
+ the available sub-commands. */
+
+static void
+info_module_command (const char *args, int from_tty)
+{
+ help_list (info_module_cmdlist, "info module ", class_info, gdb_stdout);
+}
+
+/* See symtab.h. */
+
+std::vector<module_symbol_search>
+search_module_symbols (const char *module_regexp, const char *regexp,
+ const char *type_regexp, search_domain kind)
+{
+ std::vector<module_symbol_search> results;
+
+ /* Search for all modules matching MODULE_REGEXP. */
+ std::vector<symbol_search> modules = search_symbols (module_regexp,
+ MODULES_DOMAIN,
+ NULL, 0, NULL,
+ true);
+
+ /* Now search for all symbols of the required KIND matching the required
+ regular expressions. We figure out which ones are in which modules
+ below. */
+ std::vector<symbol_search> symbols = search_symbols (regexp, kind,
+ type_regexp, 0,
+ NULL, true);
+
+ /* Now iterate over all MODULES, checking to see which items from
+ SYMBOLS are in each module. */
+ for (const symbol_search &p : modules)
+ {
+ QUIT;
+
+ /* This is a module. */
+ gdb_assert (p.symbol != nullptr);
+
+ std::string prefix = SYMBOL_PRINT_NAME (p.symbol);
+ prefix += "::";
+
+ for (const symbol_search &q : symbols)
+ {
+ if (q.symbol == nullptr)
+ continue;
+
+ if (strncmp (SYMBOL_PRINT_NAME (q.symbol), prefix.c_str (),
+ prefix.size ()) != 0)
+ continue;
+
+ results.push_back ({p, q});
+ }
+ }
+
+ return results;
+}
+
+/* Implement the core of both 'info module functions' and 'info module
+ variables'. */
+
+static void
+info_module_subcommand (bool quiet, const char *module_regexp,
+ const char *regexp, const char *type_regexp,
+ search_domain kind)
+{
+ /* Print a header line. Don't build the header line bit by bit as this
+ prevents internationalisation. */
+ if (!quiet)
+ {
+ if (module_regexp == nullptr)
+ {
+ if (type_regexp == nullptr)
+ {
+ if (regexp == nullptr)
+ printf_filtered ((kind == VARIABLES_DOMAIN
+ ? _("All variables in all modules:")
+ : _("All functions in all modules:")));
+ else
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables matching regular expression"
+ " \"%s\" in all modules:")
+ : _("All functions matching regular expression"
+ " \"%s\" in all modules:")),
+ regexp);
+ }
+ else
+ {
+ if (regexp == nullptr)
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables with type matching regular "
+ "expression \"%s\" in all modules:")
+ : _("All functions with type matching regular "
+ "expression \"%s\" in all modules:")),
+ type_regexp);
+ else
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables matching regular expression "
+ "\"%s\",\n\twith type matching regular "
+ "expression \"%s\" in all modules:")
+ : _("All functions matching regular expression "
+ "\"%s\",\n\twith type matching regular "
+ "expression \"%s\" in all modules:")),
+ regexp, type_regexp);
+ }
+ }
+ else
+ {
+ if (type_regexp == nullptr)
+ {
+ if (regexp == nullptr)
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables in all modules matching regular "
+ "expression \"%s\":")
+ : _("All functions in all modules matching regular "
+ "expression \"%s\":")),
+ module_regexp);
+ else
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables matching regular expression "
+ "\"%s\",\n\tin all modules matching regular "
+ "expression \"%s\":")
+ : _("All functions matching regular expression "
+ "\"%s\",\n\tin all modules matching regular "
+ "expression \"%s\":")),
+ regexp, module_regexp);
+ }
+ else
+ {
+ if (regexp == nullptr)
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables with type matching regular "
+ "expression \"%s\"\n\tin all modules matching "
+ "regular expression \"%s\":")
+ : _("All functions with type matching regular "
+ "expression \"%s\"\n\tin all modules matching "
+ "regular expression \"%s\":")),
+ type_regexp, module_regexp);
+ else
+ printf_filtered
+ ((kind == VARIABLES_DOMAIN
+ ? _("All variables matching regular expression "
+ "\"%s\",\n\twith type matching regular expression "
+ "\"%s\",\n\tin all modules matching regular "
+ "expression \"%s\":")
+ : _("All functions matching regular expression "
+ "\"%s\",\n\twith type matching regular expression "
+ "\"%s\",\n\tin all modules matching regular "
+ "expression \"%s\":")),
+ regexp, type_regexp, module_regexp);
+ }
+ }
+ printf_filtered ("\n");
+ }
+
+ /* Find all symbols of type KIND matching the given regular expressions
+ along with the symbols for the modules in which those symbols
+ reside. */
+ std::vector<module_symbol_search> module_symbols
+ = search_module_symbols (module_regexp, regexp, type_regexp, kind);
+
+ std::sort (module_symbols.begin (), module_symbols.end (),
+ [] (const module_symbol_search &a, const module_symbol_search &b)
+ {
+ if (a.first < b.first)
+ return true;
+ else if (a.first == b.first)
+ return a.second < b.second;
+ else
+ return false;
+ });
+
+ const char *last_filename = "";
+ const symbol *last_module_symbol = nullptr;
+ for (const module_symbol_search &ms : module_symbols)
+ {
+ const symbol_search &p = ms.first;
+ const symbol_search &q = ms.second;
+
+ gdb_assert (q.symbol != nullptr);
+
+ if (last_module_symbol != p.symbol)
+ {
+ printf_filtered ("\n");
+ printf_filtered (_("Module \"%s\":\n"),
+ SYMBOL_PRINT_NAME (p.symbol));
+ last_module_symbol = p.symbol;
+ last_filename = "";
+ }
+
+ print_symbol_info (FUNCTIONS_DOMAIN, q.symbol, q.block,
+ last_filename);
+ last_filename
+ = symtab_to_filename_for_display (symbol_symtab (q.symbol));
+ }
+}
+
+/* Hold the option values for the 'info module .....' sub-commands. */
+
+struct info_modules_var_func_options
+{
+ bool quiet = false;
+ char *type_regexp = nullptr;
+ char *module_regexp = nullptr;
+
+ ~info_modules_var_func_options ()
+ {
+ xfree (type_regexp);
+ xfree (module_regexp);
+ }
+};
+
+/* The options used by 'info module variables' and 'info module functions'
+ commands. */
+
+static const gdb::option::option_def info_modules_var_func_options_defs [] = {
+ gdb::option::boolean_option_def<info_modules_var_func_options> {
+ "q",
+ [] (info_modules_var_func_options *opt) { return &opt->quiet; },
+ nullptr, /* show_cmd_cb */
+ nullptr /* set_doc */
+ },
+
+ gdb::option::string_option_def<info_modules_var_func_options> {
+ "t",
+ [] (info_modules_var_func_options *opt) { return &opt->type_regexp; },
+ nullptr, /* show_cmd_cb */
+ nullptr /* set_doc */
+ },
+
+ gdb::option::string_option_def<info_modules_var_func_options> {
+ "m",
+ [] (info_modules_var_func_options *opt) { return &opt->module_regexp; },
+ nullptr, /* show_cmd_cb */
+ nullptr /* set_doc */
+ }
+};
+
+/* Return the option group used by the 'info module ...' sub-commands. */
+
+static inline gdb::option::option_def_group
+make_info_modules_var_func_options_def_group
+ (info_modules_var_func_options *opts)
+{
+ return {{info_modules_var_func_options_defs}, opts};
+}
+
+/* Implements the 'info module functions' command. */
+
+static void
+info_module_functions_command (const char *args, int from_tty)
+{
+ info_modules_var_func_options opts;
+ auto grp = make_info_modules_var_func_options_def_group (&opts);
+ gdb::option::process_options
+ (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp);
+ if (args != nullptr && *args == '\0')
+ args = nullptr;
+
+ info_module_subcommand (opts.quiet, opts.module_regexp, args,
+ opts.type_regexp, FUNCTIONS_DOMAIN);
+}
+
+/* Implements the 'info module variables' command. */
+
+static void
+info_module_variables_command (const char *args, int from_tty)
+{
+ info_modules_var_func_options opts;
+ auto grp = make_info_modules_var_func_options_def_group (&opts);
+ gdb::option::process_options
+ (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp);
+ if (args != nullptr && *args == '\0')
+ args = nullptr;
+
+ info_module_subcommand (opts.quiet, opts.module_regexp, args,
+ opts.type_regexp, VARIABLES_DOMAIN);
+}
+
+/* Command completer for 'info module ...' sub-commands. */
+
+static void
+info_module_var_func_command_completer (struct cmd_list_element *ignore,
+ completion_tracker &tracker,
+ const char *text,
+ const char * /* word */)
+{
+
+ const auto group = make_info_modules_var_func_options_def_group (nullptr);
+ if (gdb::option::complete_options
+ (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, group))
+ return;
+
+ const char *word = advance_to_expression_complete_word_point (tracker, text);
+ symbol_completer (ignore, tracker, text, word);
+}
+
+\f
+
void
_initialize_symtab (void)
{
c = add_info ("sources", info_sources_command, info_sources_help.c_str ());
set_cmd_completer_handle_brkchars (c, info_sources_command_completer);
+ c = add_info ("modules", info_modules_command,
+ _("All module names, or those matching REGEXP."));
+ set_cmd_completer_handle_brkchars (c, info_types_command_completer);
+
+ add_prefix_cmd ("module", class_info, info_module_command, _("\
+Print information about modules."),
+ &info_module_cmdlist, "info module ",
+ 0, &infolist);
+
+ c = add_cmd ("functions", class_info, info_module_functions_command, _("\
+Display functions arranged by modules.\n\
+Usage: info module functions [-q] [-m MODREGEXP] [-t TYPEREGEXP] [REGEXP]\n\
+Print a summary of all functions within each Fortran module, grouped by\n\
+module and file. For each function the line on which the function is\n\
+defined is given along with the type signature and name of the function.\n\
+\n\
+If REGEXP is provided then only functions whose name matches REGEXP are\n\
+listed. If MODREGEXP is provided then only functions in modules matching\n\
+MODREGEXP are listed. If TYPEREGEXP is given then only functions whose\n\
+type signature matches TYPEREGEXP are listed.\n\
+\n\
+The -q flag suppresses printing some header information."),
+ &info_module_cmdlist);
+ set_cmd_completer_handle_brkchars
+ (c, info_module_var_func_command_completer);
+
+ c = add_cmd ("variables", class_info, info_module_variables_command, _("\
+Display variables arranged by modules.\n\
+Usage: info module variables [-q] [-m MODREGEXP] [-t TYPEREGEXP] [REGEXP]\n\
+Print a summary of all variables within each Fortran module, grouped by\n\
+module and file. For each variable the line on which the variable is\n\
+defined is given along with the type and name of the variable.\n\
+\n\
+If REGEXP is provided then only variables whose name matches REGEXP are\n\
+listed. If MODREGEXP is provided then only variables in modules matching\n\
+MODREGEXP are listed. If TYPEREGEXP is given then only variables whose\n\
+type matches TYPEREGEXP are listed.\n\
+\n\
+The -q flag suppresses printing some header information."),
+ &info_module_cmdlist);
+ set_cmd_completer_handle_brkchars
+ (c, info_module_var_func_command_completer);
+
add_com ("rbreak", class_breakpoint, rbreak_command,
_("Set a breakpoint for all functions matching REGEXP."));
projects / deliverable / binutils-gdb.git / blobdiff