/* Support for GDB maintenance commands.
- Copyright (C) 1992-1997, 1999-2004, 2007-2012 Free Software
- Foundation, Inc.
+ Copyright (C) 1992-2015 Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
#include "arch-utils.h"
#include <ctype.h>
#include <signal.h>
+#include <sys/time.h>
+#include <time.h>
#include "command.h"
#include "gdbcmd.h"
#include "symtab.h"
+#include "block.h"
#include "gdbtypes.h"
#include "demangle.h"
#include "gdbcore.h"
#include "symfile.h"
#include "objfiles.h"
#include "value.h"
-#include "gdb_assert.h"
+#include "top.h"
+#include "timeval-utils.h"
+#include "maint.h"
#include "cli/cli-decode.h"
+#include "cli/cli-utils.h"
+#include "cli/cli-setshow.h"
extern void _initialize_maint_cmds (void);
{
printf_unfiltered (_("\"maintenance\" must be followed by "
"the name of a maintenance command.\n"));
- help_list (maintenancelist, "maintenance ", -1, gdb_stdout);
+ help_list (maintenancelist, "maintenance ", all_commands, gdb_stdout);
}
#ifndef _WIN32
internal_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
}
-/* Someday we should allow demangling for things other than just
- explicit strings. For example, we might want to be able to specify
- the address of a string in either GDB's process space or the
- debuggee's process space, and have gdb fetch and demangle that
- string. If we have a char* pointer "ptr" that points to a string,
- we might want to be able to given just the name and have GDB
- demangle and print what it points to, etc. (FIXME) */
+/* Stimulate the internal error mechanism that GDB uses when an
+ demangler problem is detected. Allows testing of the mechanism. */
static void
-maintenance_demangle (char *args, int from_tty)
+maintenance_demangler_warning (char *args, int from_tty)
{
- char *demangled;
+ demangler_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
+}
- if (args == NULL || *args == '\0')
- {
- printf_unfiltered (_("\"maintenance demangle\" takes "
- "an argument to demangle.\n"));
- }
- else
- {
- demangled = language_demangle (current_language, args,
- DMGL_ANSI | DMGL_PARAMS);
- if (demangled != NULL)
- {
- printf_unfiltered ("%s\n", demangled);
- xfree (demangled);
- }
- else
- {
- printf_unfiltered (_("Can't demangle \"%s\"\n"), args);
- }
- }
+/* Old command to demangle a string. The command has been moved to "demangle".
+ It is kept for now because otherwise "mt demangle" gets interpreted as
+ "mt demangler-warning" which artificially creates an internal gdb error. */
+
+static void
+maintenance_demangle (char *args, int from_tty)
+{
+ printf_filtered (_("This command has been moved to \"demangle\".\n"));
}
static void
if (args == NULL || *args == '\0')
printf_unfiltered (_("\"maintenance time\" takes a numeric argument.\n"));
else
- set_display_time (strtol (args, NULL, 10));
+ set_per_command_time (strtol (args, NULL, 10));
}
static void
if (args == NULL || *args == '\0')
printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n");
else
- set_display_space (strtol (args, NULL, 10));
+ set_per_command_space (strtol (args, NULL, 10));
}
/* The "maintenance info" command is defined as a prefix, with
{
printf_unfiltered (_("\"maintenance info\" must be followed "
"by the name of an info command.\n"));
- help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout);
+ help_list (maintenanceinfolist, "maintenance info ", all_commands,
+ gdb_stdout);
}
/* Mini tokenizing lexer for 'maint info sections' command. */
}
static int
-match_bfd_flags (char *string, flagword flags)
+match_bfd_flags (const char *string, flagword flags)
{
if (flags & SEC_ALLOC)
if (match_substring (string, "ALLOC"))
static void
print_bfd_section_info (bfd *abfd,
asection *asect,
- void *arg)
+ void *datum)
{
flagword flags = bfd_get_section_flags (abfd, asect);
const char *name = bfd_section_name (abfd, asect);
+ const char *arg = datum;
- if (arg == NULL || *((char *) arg) == '\0'
- || match_substring ((char *) arg, name)
- || match_bfd_flags ((char *) arg, flags))
+ if (arg == NULL || *arg == '\0'
+ || match_substring (arg, name)
+ || match_bfd_flags (arg, flags))
{
struct gdbarch *gdbarch = gdbarch_from_bfd (abfd);
int addr_size = gdbarch_addr_bit (gdbarch) / 8;
addr = bfd_section_vma (abfd, asect);
endaddr = addr + bfd_section_size (abfd, asect);
+ printf_filtered (" [%d] ", gdb_bfd_section_index (abfd, asect));
maint_print_section_info (name, flags, addr, endaddr,
asect->filepos, addr_size);
}
static void
print_objfile_section_info (bfd *abfd,
struct obj_section *asect,
- char *string)
+ const char *string)
{
flagword flags = bfd_get_section_flags (abfd, asect->the_bfd_section);
const char *name = bfd_section_name (abfd, asect->the_bfd_section);
}
}
-void
+static void
maintenance_print_statistics (char *args, int from_tty)
{
print_objfile_statistics ();
{
printf_unfiltered (_("\"maintenance print\" must be followed "
"by the name of a print command.\n"));
- help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout);
+ help_list (maintenanceprintlist, "maintenance print ", all_commands,
+ gdb_stdout);
}
/* The "maintenance translate-address" command converts a section and address
CORE_ADDR address;
struct obj_section *sect;
char *p;
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
struct objfile *objfile;
if (arg == NULL || *arg == 0)
if (*p == '\000') /* End of command? */
error (_("Need to specify <section-name> and <address>"));
*p++ = '\000';
- while (isspace (*p))
- p++; /* Skip whitespace. */
+ p = skip_spaces (p);
ALL_OBJSECTIONS (objfile, sect)
{
else
sym = lookup_minimal_symbol_by_pc (address);
- if (sym)
+ if (sym.minsym)
{
- const char *symbol_name = SYMBOL_PRINT_NAME (sym);
+ const char *symbol_name = MSYMBOL_PRINT_NAME (sym.minsym);
const char *symbol_offset
- = pulongest (address - SYMBOL_VALUE_ADDRESS (sym));
+ = pulongest (address - BMSYMBOL_VALUE_ADDRESS (sym));
- sect = SYMBOL_OBJ_SECTION(sym);
+ sect = MSYMBOL_OBJ_SECTION(sym.objfile, sym.minsym);
if (sect != NULL)
{
const char *section_name;
gdb_assert (sect->the_bfd_section && sect->the_bfd_section->name);
section_name = sect->the_bfd_section->name;
- gdb_assert (sect->objfile && sect->objfile->name);
- obj_name = sect->objfile->name;
+ gdb_assert (sect->objfile && objfile_name (sect->objfile));
+ obj_name = objfile_name (sect->objfile);
if (MULTI_OBJFILE_P ())
printf_filtered (_("%s + %s in section %s of %s\n"),
memory. */
if (alias)
{
- if (alias->flags & MALLOCED_REPLACEMENT)
- xfree (alias->replacement);
+ if (alias->malloced_replacement)
+ xfree ((char *) alias->replacement);
if (deprecate)
- alias->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ {
+ alias->deprecated_warn_user = 1;
+ alias->cmd_deprecated = 1;
+ }
else
- alias->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ {
+ alias->deprecated_warn_user = 0;
+ alias->cmd_deprecated = 0;
+ }
alias->replacement = replacement;
- alias->flags |= MALLOCED_REPLACEMENT;
+ alias->malloced_replacement = 1;
return;
}
else if (cmd)
{
- if (cmd->flags & MALLOCED_REPLACEMENT)
- xfree (cmd->replacement);
+ if (cmd->malloced_replacement)
+ xfree ((char *) cmd->replacement);
if (deprecate)
- cmd->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ {
+ cmd->deprecated_warn_user = 1;
+ cmd->cmd_deprecated = 1;
+ }
else
- cmd->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
+ {
+ cmd->deprecated_warn_user = 0;
+ cmd->cmd_deprecated = 0;
+ }
cmd->replacement = replacement;
- cmd->flags |= MALLOCED_REPLACEMENT;
+ cmd->malloced_replacement = 1;
return;
}
xfree (replacement);
{
printf_unfiltered (_("\"maintenance set\" must be followed "
"by the name of a set command.\n"));
- help_list (maintenance_set_cmdlist, "maintenance set ", -1, gdb_stdout);
+ help_list (maintenance_set_cmdlist, "maintenance set ", all_commands,
+ gdb_stdout);
}
static void
error (_("Profiling support is not available on this system."));
}
#endif
+\f
+/* If nonzero, display time usage both at startup and for each command. */
+
+static int per_command_time;
+
+/* If nonzero, display space usage both at startup and for each command. */
+
+static int per_command_space;
+
+/* If nonzero, display basic symtab stats for each command. */
+
+static int per_command_symtab;
+
+/* mt per-command commands. */
+
+static struct cmd_list_element *per_command_setlist;
+static struct cmd_list_element *per_command_showlist;
+
+/* Records a run time and space usage to be used as a base for
+ reporting elapsed time or change in space. */
+
+struct cmd_stats
+{
+ /* Zero if the saved time is from the beginning of GDB execution.
+ One if from the beginning of an individual command execution. */
+ int msg_type;
+ /* Track whether the stat was enabled at the start of the command
+ so that we can avoid printing anything if it gets turned on by
+ the current command. */
+ int time_enabled : 1;
+ int space_enabled : 1;
+ int symtab_enabled : 1;
+ long start_cpu_time;
+ struct timeval start_wall_time;
+ long start_space;
+ /* Total number of symtabs (over all objfiles). */
+ int start_nr_symtabs;
+ /* A count of the compunits. */
+ int start_nr_compunit_symtabs;
+ /* Total number of blocks. */
+ int start_nr_blocks;
+};
+
+/* Set whether to display time statistics to NEW_VALUE
+ (non-zero means true). */
+
+void
+set_per_command_time (int new_value)
+{
+ per_command_time = new_value;
+}
+
+/* Set whether to display space statistics to NEW_VALUE
+ (non-zero means true). */
+
+void
+set_per_command_space (int new_value)
+{
+ per_command_space = new_value;
+}
+
+/* Count the number of symtabs and blocks. */
+
+static void
+count_symtabs_and_blocks (int *nr_symtabs_ptr, int *nr_compunit_symtabs_ptr,
+ int *nr_blocks_ptr)
+{
+ struct objfile *o;
+ struct compunit_symtab *cu;
+ struct symtab *s;
+ int nr_symtabs = 0;
+ int nr_compunit_symtabs = 0;
+ int nr_blocks = 0;
+
+ /* When collecting statistics during startup, this is called before
+ pretty much anything in gdb has been initialized, and thus
+ current_program_space may be NULL. */
+ if (current_program_space != NULL)
+ {
+ ALL_COMPUNITS (o, cu)
+ {
+ ++nr_compunit_symtabs;
+ nr_blocks += BLOCKVECTOR_NBLOCKS (COMPUNIT_BLOCKVECTOR (cu));
+ ALL_COMPUNIT_FILETABS (cu, s)
+ ++nr_symtabs;
+ }
+ }
+
+ *nr_symtabs_ptr = nr_symtabs;
+ *nr_compunit_symtabs_ptr = nr_compunit_symtabs;
+ *nr_blocks_ptr = nr_blocks;
+}
+
+/* As indicated by display_time and display_space, report GDB's elapsed time
+ and space usage from the base time and space provided in ARG, which
+ must be a pointer to a struct cmd_stat. This function is intended
+ to be called as a cleanup. */
+
+static void
+report_command_stats (void *arg)
+{
+ struct cmd_stats *start_stats = (struct cmd_stats *) arg;
+ int msg_type = start_stats->msg_type;
+
+ if (start_stats->time_enabled && per_command_time)
+ {
+ long cmd_time = get_run_time () - start_stats->start_cpu_time;
+ struct timeval now_wall_time, delta_wall_time, wait_time;
+
+ gettimeofday (&now_wall_time, NULL);
+ timeval_sub (&delta_wall_time,
+ &now_wall_time, &start_stats->start_wall_time);
+
+ /* Subtract time spend in prompt_for_continue from walltime. */
+ wait_time = get_prompt_for_continue_wait_time ();
+ timeval_sub (&delta_wall_time, &delta_wall_time, &wait_time);
+
+ printf_unfiltered (msg_type == 0
+ ? _("Startup time: %ld.%06ld (cpu), %ld.%06ld (wall)\n")
+ : _("Command execution time: %ld.%06ld (cpu), %ld.%06ld (wall)\n"),
+ cmd_time / 1000000, cmd_time % 1000000,
+ (long) delta_wall_time.tv_sec,
+ (long) delta_wall_time.tv_usec);
+ }
+
+ if (start_stats->space_enabled && per_command_space)
+ {
+#ifdef HAVE_SBRK
+ char *lim = (char *) sbrk (0);
+
+ long space_now = lim - lim_at_start;
+ long space_diff = space_now - start_stats->start_space;
+
+ printf_unfiltered (msg_type == 0
+ ? _("Space used: %ld (%s%ld during startup)\n")
+ : _("Space used: %ld (%s%ld for this command)\n"),
+ space_now,
+ (space_diff >= 0 ? "+" : ""),
+ space_diff);
+#endif
+ }
+
+ if (start_stats->symtab_enabled && per_command_symtab)
+ {
+ int nr_symtabs, nr_compunit_symtabs, nr_blocks;
+
+ count_symtabs_and_blocks (&nr_symtabs, &nr_compunit_symtabs, &nr_blocks);
+ printf_unfiltered (_("#symtabs: %d (+%d),"
+ " #compunits: %d (+%d),"
+ " #blocks: %d (+%d)\n"),
+ nr_symtabs,
+ nr_symtabs - start_stats->start_nr_symtabs,
+ nr_compunit_symtabs,
+ (nr_compunit_symtabs
+ - start_stats->start_nr_compunit_symtabs),
+ nr_blocks,
+ nr_blocks - start_stats->start_nr_blocks);
+ }
+}
+
+/* Create a cleanup that reports time and space used since its creation.
+ MSG_TYPE is zero for gdb startup, otherwise it is one(1) to report
+ data for individual commands. */
+
+struct cleanup *
+make_command_stats_cleanup (int msg_type)
+{
+ struct cmd_stats *new_stat;
+
+ /* Early exit if we're not reporting any stats. It can be expensive to
+ compute the pre-command values so don't collect them at all if we're
+ not reporting stats. Alas this doesn't work in the startup case because
+ we don't know yet whether we will be reporting the stats. For the
+ startup case collect the data anyway (it should be cheap at this point),
+ and leave it to the reporter to decide whether to print them. */
+ if (msg_type != 0
+ && !per_command_time
+ && !per_command_space
+ && !per_command_symtab)
+ return make_cleanup (null_cleanup, 0);
+
+ new_stat = XCNEW (struct cmd_stats);
+
+ new_stat->msg_type = msg_type;
+
+ if (msg_type == 0 || per_command_space)
+ {
+#ifdef HAVE_SBRK
+ char *lim = (char *) sbrk (0);
+ new_stat->start_space = lim - lim_at_start;
+ new_stat->space_enabled = 1;
+#endif
+ }
+
+ if (msg_type == 0 || per_command_time)
+ {
+ new_stat->start_cpu_time = get_run_time ();
+ gettimeofday (&new_stat->start_wall_time, NULL);
+ new_stat->time_enabled = 1;
+ }
+
+ if (msg_type == 0 || per_command_symtab)
+ {
+ int nr_symtabs, nr_compunit_symtabs, nr_blocks;
+
+ count_symtabs_and_blocks (&nr_symtabs, &nr_compunit_symtabs, &nr_blocks);
+ new_stat->start_nr_symtabs = nr_symtabs;
+ new_stat->start_nr_compunit_symtabs = nr_compunit_symtabs;
+ new_stat->start_nr_blocks = nr_blocks;
+ new_stat->symtab_enabled = 1;
+ }
+
+ /* Initalize timer to keep track of how long we waited for the user. */
+ reset_prompt_for_continue_wait_time ();
+ return make_cleanup_dtor (report_command_stats, new_stat, xfree);
+}
+
+/* Handle unknown "mt set per-command" arguments.
+ In this case have "mt set per-command on|off" affect every setting. */
+
+static void
+set_per_command_cmd (char *args, int from_tty)
+{
+ struct cmd_list_element *list;
+ size_t length;
+ int val;
+
+ val = parse_cli_boolean_value (args);
+ if (val < 0)
+ error (_("Bad value for 'mt set per-command no'."));
+
+ for (list = per_command_setlist; list != NULL; list = list->next)
+ if (list->var_type == var_boolean)
+ {
+ gdb_assert (list->type == set_cmd);
+ do_set_command (args, from_tty, list);
+ }
+}
+
+/* Command "show per-command" displays summary of all the current
+ "show per-command " settings. */
+
+static void
+show_per_command_cmd (char *args, int from_tty)
+{
+ cmd_show_list (per_command_showlist, from_tty, "");
+}
+\f
void
_initialize_maint_cmds (void)
{
+ struct cmd_list_element *cmd;
+
add_prefix_cmd ("maintenance", class_maintenance, maintenance_command, _("\
Commands for use by GDB maintainers.\n\
Includes commands to dump specific internal GDB structures in\n\
-a human readable form, to cause GDB to deliberately dump core,\n\
-to test internal functions such as the C++/ObjC demangler, etc."),
+a human readable form, to cause GDB to deliberately dump core, etc."),
&maintenancelist, "maintenance ", 0,
&cmdlist);
Cause GDB to behave as if an internal warning was reported."),
&maintenancelist);
- add_cmd ("demangle", class_maintenance, maintenance_demangle, _("\
-Demangle a C++/ObjC mangled name.\n\
-Call internal GDB demangler routine to demangle a C++ link name\n\
-and prints the result."),
+ add_cmd ("demangler-warning", class_maintenance,
+ maintenance_demangler_warning, _("\
+Give GDB a demangler warning.\n\
+Cause GDB to behave as if a demangler warning was reported."),
&maintenancelist);
+ cmd = add_cmd ("demangle", class_maintenance, maintenance_demangle, _("\
+This command has been moved to \"demangle\"."),
+ &maintenancelist);
+ deprecate_cmd (cmd, "demangle");
+
+ add_prefix_cmd ("per-command", class_maintenance, set_per_command_cmd, _("\
+Per-command statistics settings."),
+ &per_command_setlist, "set per-command ",
+ 1/*allow-unknown*/, &maintenance_set_cmdlist);
+
+ add_prefix_cmd ("per-command", class_maintenance, show_per_command_cmd, _("\
+Show per-command statistics settings."),
+ &per_command_showlist, "show per-command ",
+ 0/*allow-unknown*/, &maintenance_show_cmdlist);
+
+ add_setshow_boolean_cmd ("time", class_maintenance,
+ &per_command_time, _("\
+Set whether to display per-command execution time."), _("\
+Show whether to display per-command execution time."),
+ _("\
+If enabled, the execution time for each command will be\n\
+displayed following the command's output."),
+ NULL, NULL,
+ &per_command_setlist, &per_command_showlist);
+
+ add_setshow_boolean_cmd ("space", class_maintenance,
+ &per_command_space, _("\
+Set whether to display per-command space usage."), _("\
+Show whether to display per-command space usage."),
+ _("\
+If enabled, the space usage for each command will be\n\
+displayed following the command's output."),
+ NULL, NULL,
+ &per_command_setlist, &per_command_showlist);
+
+ add_setshow_boolean_cmd ("symtab", class_maintenance,
+ &per_command_symtab, _("\
+Set whether to display per-command symtab statistics."), _("\
+Show whether to display per-command symtab statistics."),
+ _("\
+If enabled, the basic symtab statistics for each command will be\n\
+displayed following the command's output."),
+ NULL, NULL,
+ &per_command_setlist, &per_command_showlist);
+
+ /* This is equivalent to "mt set per-command time on".
+ Kept because some people are used to typing "mt time 1". */
add_cmd ("time", class_maintenance, maintenance_time_display, _("\
Set the display of time usage.\n\
If nonzero, will cause the execution time for each command to be\n\
displayed, following the command's output."),
&maintenancelist);
+ /* This is equivalent to "mt set per-command space on".
+ Kept because some people are used to typing "mt space 1". */
add_cmd ("space", class_maintenance, maintenance_space_display, _("\
Set the display of space usage.\n\
If nonzero, will cause the execution space for each command to be\n\
the type structure, and the interpretation of the data."),
&maintenanceprintlist);
- 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."),
- &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."),
- &maintenanceprintlist);
-
- add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\
-Print dump of current partial symbol definitions.\n\
-Entries in the partial symbol table are dumped to file OUTFILE.\n\
-If a SOURCE file is specified, dump only that file's partial symbols."),
- &maintenanceprintlist);
-
- add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
- _("Print dump of current object file definitions."),
- &maintenanceprintlist);
-
- add_cmd ("symtabs", class_maintenance, maintenance_info_symtabs, _("\
-List the full symbol tables for all object files.\n\
-This does not include information about individual symbols, blocks, or\n\
-linetables --- just the symbol table structures themselves.\n\
-With an argument REGEXP, list the symbol tables whose names that match that."),
- &maintenanceinfolist);
-
- add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\
-List the partial symbol tables for all object files.\n\
-This does not include information about individual partial symbols,\n\
-just the symbol table structures themselves."),
- &maintenanceinfolist);
-
add_cmd ("statistics", class_maintenance, maintenance_print_statistics,
_("Print statistics about internal gdb state."),
&maintenanceprintlist);
Takes an optional file parameter."),
&maintenanceprintlist);
- add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
- _("Check consistency of psymtabs and symtabs."),
- &maintenancelist);
-
add_cmd ("translate-address", class_maintenance,
maintenance_translate_address,
_("Translate a section name and address to a symbol."),
projects / platform / upstream / gdb.git / blobdiff