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2011-02-15 Michael Snyder <msnyder@vmware.com>

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* command.h (enum command_class): New class 'no_set_class', for
	"show" commands without a corresponding "set" command.
	* value.c (_initialize_values): Use 'no_set_class' for "show values".
	* copying.c (_initialize_copying): Ditto for "show copying" and
	"show warranty".
	* cli/cli-cmds.c (init_cli_cmds): Ditto for "show commands" and
	"show version".
	* cli/cli-setshow.c (cmd_show_list): Skip "show" commands for
	which there is no corresponding "set" command (eg. "show copying").

2011-02-14  Michael Snyder  <msnyder@vmware.com>

	* gdb.texinfo (threads): Document argument for "info threads" cmd.
	Document new command "thread find".

2011-02-15  Michael Snyder  <msnyder@vmware.com>

	* gdb.base/default.exp: Add tests for thread commands.
	* gdb.base/help.exp: Add tests for thread commands.
	* gdb.threads/thread-find.exp: New test for thread find command.
This commit is contained in:
Michael Snyder
2011-02-15 21:17:53 +00:00
parent b708a5c7d3
commit 60f98dde0a
9 changed files with 610 additions and 24 deletions
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116
gdb/thread.c
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@@ -43,6 +43,7 @@
#include "observer.h"
#include "annotate.h"
#include "cli/cli-decode.h"
#include "gdb_regex.h"
/* Definition of struct thread_info exported to gdbthread.h. */
@@ -954,18 +955,54 @@ No selected thread. See `help thread'.\n");
}
}
/* Print information about currently known threads
* Note: this has the drawback that it _really_ switches
* threads, which frees the frame cache. A no-side
* effects info-threads command would be nicer.
*/
Optional ARG is a thread id, or list of thread ids.
Note: this has the drawback that it _really_ switches
threads, which frees the frame cache. A no-side
effects info-threads command would be nicer. */
static void
info_threads_command (char *arg, int from_tty)
{
print_thread_info (uiout, -1, -1);
int tid = -1;
if (arg == NULL || *arg == '\0')
{
print_thread_info (uiout, -1, -1);
return;
}
while (arg != NULL && *arg != '\0')
{
int tmp_tid = strtol (arg, &arg, 0);
unsigned int highrange;
if (tmp_tid <= 0)
error ("invalid thread id %d\n", tmp_tid);
tid = tmp_tid;
print_thread_info (uiout, tid, -1);
while (*arg == ' ' || *arg == '\t')
++arg;
if (*arg == '-')
{
/* Do a range of threads. Must be in ascending order. */
++arg; /* Skip the hyphen. */
highrange = strtoul (arg, &arg, 0);
if (highrange < tid)
error (_("inverted range"));
/* Do the threads in the range (first one already done). */
while (tid < highrange)
{
print_thread_info (uiout, ++tid, -1);
}
}
}
}
/* Switch from one thread to another. */
@@ -1313,6 +1350,60 @@ thread_name_command (char *arg, int from_tty)
info->name = arg ? xstrdup (arg) : NULL;
}
/* Find thread ids with a name, target pid, or extra info matching ARG. */
static void
thread_find_command (char *arg, int from_tty)
{
struct thread_info *tp;
char *tmp;
unsigned long match = 0;
if (arg == NULL || *arg == '\0')
error (_("Command requires an argument."));
tmp = re_comp (arg);
if (tmp != 0)
error (_("Invalid regexp (%s): %s"), tmp, arg);
update_thread_list ();
for (tp = thread_list; tp; tp = tp->next)
{
if (tp->name != NULL && re_exec (tp->name))
{
printf_filtered (_("Thread %d has name '%s'\n"),
tp->num, tp->name);
match++;
}
tmp = target_thread_name (tp);
if (tmp != NULL && re_exec (tmp))
{
printf_filtered (_("Thread %d has target name '%s'\n"),
tp->num, tmp);
match++;
}
tmp = target_pid_to_str (tp->ptid);
if (tmp != NULL && re_exec (tmp))
{
printf_filtered (_("Thread %d has target id '%s'\n"),
tp->num, tmp);
match++;
}
tmp = target_extra_thread_info (tp);
if (tmp != NULL && re_exec (tmp))
{
printf_filtered (_("Thread %d has extra info '%s'\n"),
tp->num, tmp);
match++;
}
}
if (!match)
printf_filtered (_("No threads match '%s'\n"), arg);
}
/* Print notices when new threads are attached and detached. */
int print_thread_events = 1;
static void
@@ -1403,8 +1494,11 @@ _initialize_thread (void)
{
static struct cmd_list_element *thread_apply_list = NULL;
add_info ("threads", info_threads_command,
_("IDs of currently known threads."));
add_info ("threads", info_threads_command,
_("Display currently known threads.\n\
Usage: info threads [ID]...\n\
Optional arguments are thread IDs with spaces between.\n\
If no arguments, all threads are displayed."));
add_prefix_cmd ("thread", class_run, thread_command, _("\
Use this command to switch between threads.\n\
@@ -1423,6 +1517,12 @@ The new thread ID must be currently known."),
Usage: thread name [NAME]\n\
If NAME is not given, then any existing name is removed."), &thread_cmd_list);
add_cmd ("find", class_run, thread_find_command, _("\
Find threads that match a regular expression.\n\
Usage: thread find REGEXP\n\
Will display thread ids whose name, target ID, or extra info matches REGEXP."),
&thread_cmd_list);
if (!xdb_commands)
add_com_alias ("t", "thread", class_run, 1);