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The "record goto" command scans its arguments for "begin", "start", or "end".

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Turn those into sub-commands.

Document the "record goto" command.
This commit is contained in:
Markus Metzger 2013-05-15 07:04:12 +00:00
parent c495064deb
commit 742ce053c1
4 changed files with 72 additions and 14 deletions
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10
gdb/ChangeLog
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@ -1,3 +1,13 @@
2013-05-15 Markus Metzger <markus.t.metzger@intel.com>
* record.c (record_goto_cmdlist): New.
(cmd_record_goto): Split into this ...
(cmd_record_goto_begin): ... this
(cmd_record_goto_end): ... and this.
(_initialize_record): Change "record goto" to prefix command.
Add commands for "record goto begin" and "record goto end".
Add an alias for "record goto start" to "record goto begin".
2013-05-14 Jan Kratochvil <jan.kratochvil@redhat.com>
* linespec.c (convert_linespec_to_sals): New comment for

5
gdb/doc/ChangeLog
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@ -1,3 +1,8 @@
2013-05-15 Markus Metzger <markus.t.metzger@intel.com>
* gdb.texinfo (Process Record and Replay): Document the
"record goto" command and its sub-commands.
2013-05-10 Phil Muldoon <pmuldoon@redhat.com>
* gdb.texinfo (Backtrace): Add "no-filter" argument.

17
gdb/doc/gdb.texinfo
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@ -6209,6 +6209,23 @@ usual ``live'' debugging of the process from that state.
When the inferior process exits, or @value{GDBN} detaches from it,
process record and replay target will automatically stop itself.
@kindex record goto
@item record goto
Go to a specific location in the execution log. There are several
ways to specify the location to go to:
@table @code
@item record goto begin
@itemx record goto start
Go to the beginning of the execution log.
@item record goto end
Go to the end of the execution log.
@item record goto @var{n}
Go to instruction number @var{n} in the execution log.
@end table
@kindex record save
@item record save @var{filename}
Save the execution log to a file @file{@var{filename}}.

54
gdb/record.c
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@ -48,6 +48,7 @@ static unsigned int record_call_history_size = 10;
static unsigned int record_call_history_size_setshow_var;
struct cmd_list_element *record_cmdlist = NULL;
struct cmd_list_element *record_goto_cmdlist = NULL;
struct cmd_list_element *set_record_cmdlist = NULL;
struct cmd_list_element *show_record_cmdlist = NULL;
struct cmd_list_element *info_record_cmdlist = NULL;
@ -314,23 +315,39 @@ cmd_record_save (char *args, int from_tty)
void
cmd_record_goto (char *arg, int from_tty)
{
require_record_target ();
ULONGEST insn;
if (arg == NULL || *arg == '\0')
error (_("Command requires an argument (insn number to go to)."));
if (strncmp (arg, "start", strlen ("start")) == 0
|| strncmp (arg, "begin", strlen ("begin")) == 0)
target_goto_record_begin ();
else if (strncmp (arg, "end", strlen ("end")) == 0)
target_goto_record_end ();
else
{
ULONGEST insn;
insn = parse_and_eval_long (arg);
insn = parse_and_eval_long (arg);
target_goto_record (insn);
}
require_record_target ();
target_goto_record (insn);
}
/* The "record goto begin" command. */
static void
cmd_record_goto_begin (char *arg, int from_tty)
{
if (arg != NULL && *arg != '\0')
error (_("Junk after argument: %s."), arg);
require_record_target ();
target_goto_record_begin ();
}
/* The "record goto end" command. */
static void
cmd_record_goto_end (char *arg, int from_tty)
{
if (arg != NULL && *arg != '\0')
error (_("Junk after argument: %s."), arg);
require_record_target ();
target_goto_record_end ();
}
/* Read an instruction number from an argument string. */
@ -751,10 +768,19 @@ Default filename is 'gdb_record.<process_id>'."),
&record_cmdlist);
add_alias_cmd ("s", "stop", class_obscure, 1, &record_cmdlist);
add_cmd ("goto", class_obscure, cmd_record_goto, _("\
add_prefix_cmd ("goto", class_obscure, cmd_record_goto, _("\
Restore the program to its state at instruction number N.\n\
Argument is instruction number, as shown by 'info record'."),
&record_cmdlist);
&record_goto_cmdlist, "record goto ", 1, &record_cmdlist);
add_cmd ("begin", class_obscure, cmd_record_goto_begin,
_("Go to the beginning of the execution log."),
&record_goto_cmdlist);
add_alias_cmd ("start", "begin", class_obscure, 1, &record_goto_cmdlist);
add_cmd ("end", class_obscure, cmd_record_goto_end,
_("Go to the end of the execution log."),
&record_goto_cmdlist);
add_cmd ("instruction-history", class_obscure, cmd_record_insn_history, _("\
Print disassembled instructions stored in the execution log.\n\