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-rw-r--r--gdb/ChangeLog28
-rw-r--r--gdb/cli/cli-decode.c34
-rw-r--r--gdb/cli/cli-setshow.c49
-rw-r--r--gdb/doc/ChangeLog21
-rw-r--r--gdb/doc/gdb.texinfo71
-rw-r--r--gdb/frame.c2
-rw-r--r--gdb/printcmd.c7
-rw-r--r--gdb/record-full.c3
-rw-r--r--gdb/record.c8
-rw-r--r--gdb/ser-tcp.c11
-rw-r--r--gdb/source.c5
-rw-r--r--gdb/testsuite/ChangeLog8
-rw-r--r--gdb/testsuite/gdb.base/completion.exp16
-rw-r--r--gdb/testsuite/gdb.base/setshow.exp5
-rw-r--r--gdb/testsuite/gdb.trace/trace-buffer-size.exp4
-rw-r--r--gdb/top.c5
-rw-r--r--gdb/tracepoint.c4
-rw-r--r--gdb/utils.c6
-rw-r--r--gdb/valprint.c4
19 files changed, 236 insertions, 55 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bd222cc..89b787b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,33 @@
2013-04-10 Pedro Alves <palves@redhat.com>
+ * cli/cli-decode.c (integer_unlimited_completer): New function.
+ (add_setshow_integer_cmd, add_setshow_uinteger_cmd)
+ (add_setshow_zuinteger_unlimited_cmd): Install the "unlimited"
+ completer.
+ * cli/cli-setshow.c: Include "cli/cli-utils.h".
+ (is_unlimited_literal): New function.
+ (do_set_command): Handle literal "unlimited" arguments.
+ * frame.c (_initialize_frame) <set backtrace limit>: Document
+ "unlimited".
+ * printcmd.c (_initialize_printcmd) <set print
+ max-symbolic-offset>: Add help text.
+ * record-full.c (_initialize_record_full) <set record full
+ insn-number-max>: Likewise.
+ * record.c (_initialize_record) <set record
+ instruction-history-size, set record function-call-history-size>:
+ Add help text.
+ * ser-tcp.c (_initialize_ser_tcp) <set tcp connect-timeout>: Add
+ help text.
+ * tracepoint.c (_initialize_tracepoint) <set trace-buffer-size>:
+ Likewise.
+ * source.c (_initialize_source) <set listsize>: Add help text.
+ * utils.c (initialize_utils) <set height, set width>: Likewise.
+ <set pagination>: Mention "set height unlimited".
+ * valprint.c (_initialize_valprint) <set print elements, set print
+ repeats>: Document "unlimited".
+
+2013-04-10 Pedro Alves <palves@redhat.com>
+
* cli/cli-cmds.c (quit_command): Call query_if_trace_running
instead of disconnect_tracing.
* infcmd.c (detach_command, disconnect_command): Call
diff --git a/gdb/cli/cli-decode.c b/gdb/cli/cli-decode.c
index 61a7b5a..9bc14b5 100644
--- a/gdb/cli/cli-decode.c
+++ b/gdb/cli/cli-decode.c
@@ -638,6 +638,22 @@ add_setshow_optional_filename_cmd (const char *name, enum command_class class,
}
+/* Completes on literal "unlimited". Used by integer commands that
+ support a special "unlimited" value. */
+
+static VEC (char_ptr) *
+integer_unlimited_completer (struct cmd_list_element *ignore,
+ const char *text, const char *word)
+{
+ static const char * const keywords[] =
+ {
+ "unlimited",
+ NULL,
+ };
+
+ return complete_on_enum (keywords, text, word);
+}
+
/* Add element named NAME to both the set and show command LISTs (the
list for set/show or some sublist thereof). CLASS is as in
add_cmd. VAR is address of the variable which will contain the
@@ -653,11 +669,15 @@ add_setshow_integer_cmd (const char *name, enum command_class class,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list)
{
+ struct cmd_list_element *set;
+
add_setshow_cmd_full (name, class, var_integer, var,
set_doc, show_doc, help_doc,
set_func, show_func,
set_list, show_list,
- NULL, NULL);
+ &set, NULL);
+
+ set_cmd_completer (set, integer_unlimited_completer);
}
/* Add element named NAME to both the set and show command LISTs (the
@@ -674,11 +694,15 @@ add_setshow_uinteger_cmd (const char *name, enum command_class class,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list)
{
+ struct cmd_list_element *set;
+
add_setshow_cmd_full (name, class, var_uinteger, var,
set_doc, show_doc, help_doc,
set_func, show_func,
set_list, show_list,
- NULL, NULL);
+ &set, NULL);
+
+ set_cmd_completer (set, integer_unlimited_completer);
}
/* Add element named NAME to both the set and show command LISTs (the
@@ -714,11 +738,15 @@ add_setshow_zuinteger_unlimited_cmd (const char *name,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list)
{
+ struct cmd_list_element *set;
+
add_setshow_cmd_full (name, class, var_zuinteger_unlimited, var,
set_doc, show_doc, help_doc,
set_func, show_func,
set_list, show_list,
- NULL, NULL);
+ &set, NULL);
+
+ set_cmd_completer (set, integer_unlimited_completer);
}
/* Add element named NAME to both the set and show command LISTs (the
diff --git a/gdb/cli/cli-setshow.c b/gdb/cli/cli-setshow.c
index f612369..3e41fd4 100644
--- a/gdb/cli/cli-setshow.c
+++ b/gdb/cli/cli-setshow.c
@@ -28,6 +28,7 @@
#include "cli/cli-decode.h"
#include "cli/cli-cmds.h"
#include "cli/cli-setshow.h"
+#include "cli/cli-utils.h"
/* Return true if the change of command parameter should be notified. */
@@ -127,6 +128,20 @@ deprecated_show_value_hack (struct ui_file *ignore_file,
}
}
+/* Returns true if ARG is "unlimited". */
+
+static int
+is_unlimited_literal (const char *arg)
+{
+ size_t len = sizeof ("unlimited") - 1;
+
+ arg = skip_spaces_const (arg);
+
+ return (strncmp (arg, "unlimited", len) == 0
+ && (isspace (arg[len]) || arg[len] == '\0'));
+}
+
+
/* Do a "set" command. ARG is NULL if no argument, or the
text of the argument, and FROM_TTY is nonzero if this command is
being entered directly by the user (i.e. these are just like any
@@ -273,8 +288,17 @@ do_set_command (char *arg, int from_tty, struct cmd_list_element *c)
LONGEST val;
if (arg == NULL)
- error_no_arg (_("integer to set it to."));
- val = parse_and_eval_long (arg);
+ {
+ if (c->var_type == var_uinteger)
+ error_no_arg (_("integer to set it to, or \"unlimited\"."));
+ else
+ error_no_arg (_("integer to set it to."));
+ }
+
+ if (c->var_type == var_uinteger && is_unlimited_literal (arg))
+ val = 0;
+ else
+ val = parse_and_eval_long (arg);
if (c->var_type == var_uinteger && val == 0)
val = UINT_MAX;
@@ -300,8 +324,17 @@ do_set_command (char *arg, int from_tty, struct cmd_list_element *c)
LONGEST val;
if (arg == NULL)
- error_no_arg (_("integer to set it to."));
- val = parse_and_eval_long (arg);
+ {
+ if (c->var_type == var_integer)
+ error_no_arg (_("integer to set it to, or \"unlimited\"."));
+ else
+ error_no_arg (_("integer to set it to."));
+ }
+
+ if (c->var_type == var_integer && is_unlimited_literal (arg))
+ val = 0;
+ else
+ val = parse_and_eval_long (arg);
if (val == 0 && c->var_type == var_integer)
val = INT_MAX;
@@ -396,8 +429,12 @@ do_set_command (char *arg, int from_tty, struct cmd_list_element *c)
LONGEST val;
if (arg == NULL)
- error_no_arg (_("integer to set it to."));
- val = parse_and_eval_long (arg);
+ error_no_arg (_("integer to set it to, or \"unlimited\"."));
+
+ if (is_unlimited_literal (arg))
+ val = -1;
+ else
+ val = parse_and_eval_long (arg);
if (val > INT_MAX)
error (_("integer %s out of range"), plongest (val));
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 9e3a956..e55b219 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,24 @@
+2013-04-10 Pedro Alves <palves@redhat.com>
+
+ * gdb.texinfo (Process Record and Replay): Document that "set
+ record full insn-number-max", "set record
+ instruction-history-size" and "set record
+ function-call-history-size" accept "unlimited".
+ (Backtrace): Document that "set backtrace limit" accepts
+ "unlimited".
+ (List): Document that "set listsize" accepts "unlimited".
+ (Print Settings)" Document that "set print max-symbolic-offset",
+ "set print elements" and "set print repeats" accept "unlimited".
+ (Starting and Stopping Trace Experiments): Document that "set
+ trace-buffer-size" accepts "unlimited".
+ (Remote Configuration): Document that "set tcp connect-timeout"
+ accepts "unlimited".
+ (Command History): Document that "set history size" accepts
+ "unlimited".
+ (Screen Size): Document that "set height" and "set width" accepts
+ "unlimited". Adjust "set pagination"'s description to suggest
+ "set height unlimited" instead of "set height 0".
+
2013-04-10 Yao Qi <yao@codesourcery.com>
* gdb.texinfo (Trace Files): Add "target ctf".
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 6974b5c..15a8894 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -6207,6 +6207,7 @@ File must have been created with @code{record save}.
@kindex set record full
@item set record full insn-number-max @var{limit}
+@itemx set record full insn-number-max unlimited
Set the limit of instructions to be recorded for the @code{full}
recording method. Default value is 200000.
@@ -6219,9 +6220,9 @@ instruction to keep the number of recorded instructions at the limit.
lets you control what happens when the limit is reached, by means of
the @code{stop-at-limit} option, described below.)
-If @var{limit} is zero, @value{GDBN} will never delete recorded
-instructions from the execution log. The number of recorded
-instructions is unlimited in this case.
+If @var{limit} is @code{unlimited} or zero, @value{GDBN} will never
+delete recorded instructions from the execution log. The number of
+recorded instructions is limited only by the available memory.
@kindex show record full
@item show record full insn-number-max
@@ -6333,9 +6334,11 @@ number @var{end} is not included.
This command may not be available for all recording methods.
@kindex set record
-@item set record instruction-history-size
+@item set record instruction-history-size @var{size}
+@itemx set record instruction-history-size unlimited
Define how many instructions to disassemble in the @code{record
instruction-history} command. The default value is 10.
+A @var{size} of @code{unlimited} means unlimited instructions.
@kindex show record
@item show record instruction-history-size
@@ -6399,9 +6402,11 @@ included.
This command may not be available for all recording methods.
-@item set record function-call-history-size
+@item set record function-call-history-size @var{size}
+@itemx set record function-call-history-size unlimited
Define how many lines to print in the
@code{record function-call-history} command. The default value is 10.
+A size of @code{unlimited} means unlimited lines.
@item show record function-call-history-size
Show how many lines to print in the
@@ -6678,9 +6683,10 @@ Display the current internal entry point backtrace policy.
@item set backtrace limit @var{n}
@itemx set backtrace limit 0
+@itemx set backtrace limit unlimited
@cindex backtrace limit
-Limit the backtrace to @var{n} levels. A value of zero means
-unlimited.
+Limit the backtrace to @var{n} levels. A value of @code{unlimited}
+or zero means unlimited levels.
@item show backtrace limit
Display the current limit on backtrace levels.
@@ -6919,9 +6925,10 @@ the @code{list} command. You can change this using @code{set listsize}:
@table @code
@kindex set listsize
@item set listsize @var{count}
+@itemx set listsize unlimited
Make the @code{list} command display @var{count} source lines (unless
the @code{list} argument explicitly specifies some other number).
-Setting @var{count} to 0 means there's no limit.
+Setting @var{count} to @code{unlimited} or 0 means there's no limit.
@kindex show listsize
@item show listsize
@@ -8652,11 +8659,13 @@ printed is reasonably close to the closest earlier symbol:
@table @code
@item set print max-symbolic-offset @var{max-offset}
+@itemx set print max-symbolic-offset unlimited
@cindex maximum value for offset of closest symbol
Tell @value{GDBN} to only display the symbolic form of an address if the
offset between the closest earlier symbol and the address is less than
-@var{max-offset}. The default is 0, which tells @value{GDBN}
-to always print the symbolic form of an address if any symbol precedes it.
+@var{max-offset}. The default is @code{unlimited}, which tells @value{GDBN}
+to always print the symbolic form of an address if any symbol precedes
+it. Zero is equivalent to @code{unlimited}.
@item show print max-symbolic-offset
Ask how large the maximum offset is that @value{GDBN} prints in a
@@ -8733,6 +8742,7 @@ Show whether the index of each element is printed when displaying
arrays.
@item set print elements @var{number-of-elements}
+@itemx set print elements unlimited
@cindex number of array elements to print
@cindex limit on number of printed array elements
Set a limit on how many elements of an array @value{GDBN} will print.
@@ -8740,7 +8750,8 @@ If @value{GDBN} is printing a large array, it stops printing after it has
printed the number of elements set by the @code{set print elements} command.
This limit also applies to the display of strings.
When @value{GDBN} starts, this limit is set to 200.
-Setting @var{number-of-elements} to zero means that the printing is unlimited.
+Setting @var{number-of-elements} to @code{unlimited} or zero means
+that the number of elements to print is unlimited.
@item show print elements
Display the number of elements of a large array that @value{GDBN} will print.
@@ -8910,15 +8921,17 @@ entry resolution see @ref{set debug entry-values}.
Show the method being used for printing of frame argument values at function
entry.
-@item set print repeats
+@item set print repeats @var{number-of-repeats}
+@itemx set print repeats unlimited
@cindex repeated array elements
Set the threshold for suppressing display of repeated array
elements. When the number of consecutive identical elements of an
array exceeds the threshold, @value{GDBN} prints the string
@code{"<repeats @var{n} times>"}, where @var{n} is the number of
identical repetitions, instead of displaying the identical elements
-themselves. Setting the threshold to zero will cause all elements to
-be individually printed. The default threshold is 10.
+themselves. Setting the threshold to @code{unlimited} or zero will
+cause all elements to be individually printed. The default threshold
+is 10.
@item show print repeats
Display the current threshold for printing repeated identical
@@ -11880,12 +11893,13 @@ for instance if you are looking at frames from a trace file.
@table @code
@item set trace-buffer-size @var{n}
+@itemx set trace-buffer-size unlimited
@kindex set trace-buffer-size
Request that the target use a trace buffer of @var{n} bytes. Not all
targets will honor the request; they may have a compiled-in size for
the trace buffer, or some other limitation. Set to a value of
-@code{-1} to let the target use whatever size it likes. This is also
-the default.
+@code{unlimited} or @code{-1} to let the target use whatever size it
+likes. This is also the default.
@item show trace-buffer-size
@kindex show trace-buffer-size
@@ -18286,13 +18300,16 @@ Do not auto-retry failed TCP connections.
Show the current auto-retry setting.
@item set tcp connect-timeout @var{seconds}
+@itemx set tcp connect-timeout unlimited
@cindex connection timeout, for remote TCP target
@cindex timeout, for remote target connection
Set the timeout for establishing a TCP connection to the remote target to
@var{seconds}. The timeout affects both polling to retry failed connections
(enabled by @code{set tcp auto-retry on}) and waiting for connections
that are merely slow to complete, and represents an approximate cumulative
-value.
+value. If @var{seconds} is @code{unlimited}, there is no timeout and
+@value{GDBN} will keep attempting to establish a connection forever,
+unless interrupted with @kbd{Ctrl-c}. The default is 15 seconds.
@item show tcp connect-timeout
Show the current connection timeout setting.
@@ -21256,9 +21273,12 @@ Stop recording command history in a file.
@kindex set history size
@cindex @env{HISTSIZE}, environment variable
@item set history size @var{size}
+@itemx set history size unlimited
Set the number of commands which @value{GDBN} keeps in its history list.
This defaults to the value of the environment variable
-@code{HISTSIZE}, or to 256 if this variable is not set.
+@code{HISTSIZE}, or to 256 if this variable is not set. If @var{size}
+is @code{unlimited}, the number of commands @value{GDBN} keeps in the
+history list is unlimited.
@end table
History expansion assigns special meaning to the character @kbd{!}.
@@ -21343,25 +21363,28 @@ width} commands:
@kindex show width
@kindex show height
@item set height @var{lpp}
+@itemx set height unlimited
@itemx show height
@itemx set width @var{cpl}
+@itemx set width unlimited
@itemx show width
These @code{set} commands specify a screen height of @var{lpp} lines and
a screen width of @var{cpl} characters. The associated @code{show}
commands display the current settings.
-If you specify a height of zero lines, @value{GDBN} does not pause during
-output no matter how long the output is. This is useful if output is to a
-file or to an editor buffer.
+If you specify a height of either @code{unlimited} or zero lines,
+@value{GDBN} does not pause during output no matter how long the
+output is. This is useful if output is to a file or to an editor
+buffer.
-Likewise, you can specify @samp{set width 0} to prevent @value{GDBN}
-from wrapping its output.
+Likewise, you can specify @samp{set width unlimited} or @samp{set
+width 0} to prevent @value{GDBN} from wrapping its output.
@item set pagination on
@itemx set pagination off
@kindex set pagination
Turn the output pagination on or off; the default is on. Turning
-pagination off is the alternative to @code{set height 0}. Note that
+pagination off is the alternative to @code{set height unlimited}. Note that
running @value{GDBN} with the @option{--batch} option (@pxref{Mode
Options, -batch}) also automatically disables pagination.
diff --git a/gdb/frame.c b/gdb/frame.c
index a4d18bb..8d4e2c8 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -2495,7 +2495,7 @@ the rest of the stack trace."),
Set an upper bound on the number of backtrace levels."), _("\
Show the upper bound on the number of backtrace levels."), _("\
No more than the specified number of frames can be displayed or examined.\n\
-Zero is unlimited."),
+Literal \"unlimited\" or zero means no limit."),
NULL,
show_backtrace_limit,
&set_backtrace_cmdlist,
diff --git a/gdb/printcmd.c b/gdb/printcmd.c
index 4f8c9d4..2cc33d0 100644
--- a/gdb/printcmd.c
+++ b/gdb/printcmd.c
@@ -2615,7 +2615,12 @@ but no count or size letter (see \"x\" command)."));
add_setshow_uinteger_cmd ("max-symbolic-offset", no_class,
&max_symbolic_offset, _("\
Set the largest offset that will be printed in <symbol+1234> form."), _("\
-Show the largest offset that will be printed in <symbol+1234> form."), NULL,
+Show the largest offset that will be printed in <symbol+1234> form."), _("\
+Tell GDB to only display the symbolic form of an address if the\n\
+offset between the closest earlier symbol and the address is less than\n\
+the specified maximum offset. The default is \"unlimited\", which tells GDB\n\
+to always print the symbolic form of an address if any symbol precedes\n\
+it. Zero is equivalent to \"unlimited\"."),
NULL,
show_max_symbolic_offset,
&setprintlist, &showprintlist);
diff --git a/gdb/record-full.c b/gdb/record-full.c
index 2ff7dec..03d287d 100644
--- a/gdb/record-full.c
+++ b/gdb/record-full.c
@@ -2971,7 +2971,8 @@ delete the oldest recorded instruction to make room for each new one."),
_("Set record/replay buffer limit."),
_("Show record/replay buffer limit."), _("\
Set the maximum number of instructions to be stored in the\n\
-record/replay buffer. Zero means unlimited. Default is 200000."),
+record/replay buffer. A value of either \"unlimited\" or zero means no\n\
+limit. Default is 200000."),
set_record_full_insn_max_num,
NULL, &set_record_full_cmdlist,
&show_record_full_cmdlist);
diff --git a/gdb/record.c b/gdb/record.c
index 2736a1e..0a7f0a1 100644
--- a/gdb/record.c
+++ b/gdb/record.c
@@ -701,16 +701,16 @@ _initialize_record (void)
add_setshow_uinteger_cmd ("instruction-history-size", no_class,
&record_insn_history_size_setshow_var, _("\
Set number of instructions to print in \"record instruction-history\"."), _("\
-Show number of instructions to print in \"record instruction-history\"."),
- NULL,
+Show number of instructions to print in \"record instruction-history\"."), _("\
+A size of \"unlimited\" means unlimited instructions. The default is 10."),
set_record_insn_history_size, NULL,
&set_record_cmdlist, &show_record_cmdlist);
add_setshow_uinteger_cmd ("function-call-history-size", no_class,
&record_call_history_size_setshow_var, _("\
Set number of function to print in \"record function-call-history\"."), _("\
-Show number of functions to print in \"record function-call-history\"."),
- NULL,
+Show number of functions to print in \"record function-call-history\"."), _("\
+A size of \"unlimited\" means unlimited lines. The default is 10."),
set_record_call_history_size, NULL,
&set_record_cmdlist, &show_record_cmdlist);
diff --git a/gdb/ser-tcp.c b/gdb/ser-tcp.c
index a818c65..e4fbf26 100644
--- a/gdb/ser-tcp.c
+++ b/gdb/ser-tcp.c
@@ -424,8 +424,11 @@ Show auto-retry on socket connect"),
add_setshow_uinteger_cmd ("connect-timeout", class_obscure,
&tcp_retry_limit, _("\
-Set timeout limit for socket connection"), _("\
-Show timeout limit for socket connection"),
- NULL, NULL, NULL,
- &tcp_set_cmdlist, &tcp_show_cmdlist);
+Set timeout limit in seconds for socket connection"), _("\
+Show timeout limit in seconds for socket connection"), _("\
+If set to \"unlimited\", GDB will keep attempting to establish a\n\
+connection forever, unless interrupted with Ctrl-c.\n\
+The default is 15 seconds."),
+ NULL, NULL,
+ &tcp_set_cmdlist, &tcp_show_cmdlist);
}
diff --git a/gdb/source.c b/gdb/source.c
index 03c5253..55970ba 100644
--- a/gdb/source.c
+++ b/gdb/source.c
@@ -2046,7 +2046,10 @@ The matching line number is also stored as the value of \"$_\"."));
add_setshow_integer_cmd ("listsize", class_support, &lines_to_list, _("\
Set number of source lines gdb will list by default."), _("\
-Show number of source lines gdb will list by default."), NULL,
+Show number of source lines gdb will list by default."), _("\
+Use this to choose how many source lines the \"list\" displays (unless\n\
+the \"list\" argument explicitly specifies some other number).\n\
+A value of \"unlimited\", or zero, means there's no limit."),
NULL,
show_lines_to_list,
&setlist, &showlist);
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 92d8ff3..90a83b0 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2013-04-10 Pedro Alves <palves@redhat.com>
+
+ * gdb.base/completion.exp: Test "set height", "set listsize" and
+ "set trace-buffer-size" completion.
+ * gdb.base/setshow.exp: Test "set height unlimited".
+ * gdb.trace/trace-buffer-size.exp: Test "set trace-buffer-size
+ unlimited".
+
2013-04-10 Yao Qi <yao@codesourcery.com>
* gdb.trace/actions.exp: Save trace data to CTF.
diff --git a/gdb/testsuite/gdb.base/completion.exp b/gdb/testsuite/gdb.base/completion.exp
index 7b664bf..008cb0a 100644
--- a/gdb/testsuite/gdb.base/completion.exp
+++ b/gdb/testsuite/gdb.base/completion.exp
@@ -720,6 +720,22 @@ foreach target_name { "core" "tfile" "exec" } {
"target ${target_name} ./gdb.base/completion\\.exp.*"
}
+#
+# "set foo unlimited" completion.
+#
+
+# A var_uinteger command.
+gdb_test "complete set height " "set height unlimited"
+gdb_test "complete set height u" "set height unlimited"
+
+# A var_integer command.
+gdb_test "complete set listsize " "set listsize unlimited"
+gdb_test "complete set listsize unl" "set listsize unlimited"
+
+# A var_zuinteger_unlimited command.
+gdb_test "complete set trace-buffer-size " "set trace-buffer-size unlimited"
+gdb_test "complete set trace-buffer-size unl" "set trace-buffer-size unlimited"
+
# Restore globals modified in this test...
set timeout $oldtimeout1
diff --git a/gdb/testsuite/gdb.base/setshow.exp b/gdb/testsuite/gdb.base/setshow.exp
index eadd1f5..d33d6c7 100644
--- a/gdb/testsuite/gdb.base/setshow.exp
+++ b/gdb/testsuite/gdb.base/setshow.exp
@@ -162,8 +162,9 @@ gdb_test "show environment FOOBARBAZ" "FOOBARBAZ = grbxgrbxgrbx.*" "show enviro
gdb_test_no_output "set height 100" "set height 100"
#test show height 100
gdb_test "show height" "Number of lines gdb thinks are in a page is 100..*" "show height"
-# back to infinite height to avoid pagers
-gdb_test_no_output "set height 0" ""
+# Back to infinite height to avoid pagers. While at it, check that
+# literal "unlimited" works just as well as 0.
+gdb_test_no_output "set height unlimited"
#test set history expansion on
gdb_test_no_output "set history expansion on" "set history expansion on"
#test show history expansion on
diff --git a/gdb/testsuite/gdb.trace/trace-buffer-size.exp b/gdb/testsuite/gdb.trace/trace-buffer-size.exp
index e8c6a95..0916df7 100644
--- a/gdb/testsuite/gdb.trace/trace-buffer-size.exp
+++ b/gdb/testsuite/gdb.trace/trace-buffer-size.exp
@@ -64,10 +64,14 @@ gdb_test "show trace-buffer-size $BUFFER_SIZE" \
"Requested size of trace buffer is $BUFFER_SIZE.*" \
"show trace buffer size"
+# -1 means "no limit on GDB's end. Let the target choose."
gdb_test_no_output \
"set trace-buffer-size -1" \
"set trace buffer size 2"
+# "unlimited" means the same.
+gdb_test_no_output "set trace-buffer-size unlimited"
+
# Test that tstatus gives us default buffer size now.
gdb_test "tstatus" \
".*Trace buffer has $decimal bytes of $default_size bytes free.*" \
diff --git a/gdb/top.c b/gdb/top.c
index bc61d3b..72fbebd 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -1670,7 +1670,10 @@ Without an argument, saving is enabled."),
add_setshow_uinteger_cmd ("size", no_class, &history_size_setshow_var, _("\
Set the size of the command history,"), _("\
Show the size of the command history,"), _("\
-ie. the number of previous commands to keep a record of."),
+ie. the number of previous commands to keep a record of.\n\
+If set to \"unlimited\", the number of commands kept in the history\n\
+list is unlimited. This defaults to the value of the environment\n\
+variable \"HISTSIZE\", or to 256 if this variable is not set."),
set_history_size_command,
show_history_size,
&sethistlist, &showhistlist);
diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c
index 7b4cfb2..b1686b7 100644
--- a/gdb/tracepoint.c
+++ b/gdb/tracepoint.c
@@ -5884,8 +5884,8 @@ up and stopping the trace run."),
Set requested size of trace buffer."), _("\
Show requested size of trace buffer."), _("\
Use this to choose a size for the trace buffer. Some targets\n\
-may have fixed or limited buffer sizes. A value of -1 disables\n\
-any attempt to set the buffer size and lets the target choose."),
+may have fixed or limited buffer sizes. Specifying \"unlimited\" or -1\n\
+disables any attempt to set the buffer size and lets the target choose."),
set_trace_buffer_size, NULL,
&setlist, &showlist);
diff --git a/gdb/utils.c b/gdb/utils.c
index a222c59..37deb02 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -2651,7 +2651,7 @@ initialize_utils (void)
Set number of characters where GDB should wrap lines of its output."), _("\
Show number of characters where GDB should wrap lines of its output."), _("\
This affects where GDB wraps its output to fit the screen width.\n\
-Setting this to zero prevents GDB from wrapping its output."),
+Setting this to \"unlimited\" or zero prevents GDB from wrapping its output."),
set_width_command,
show_chars_per_line,
&setlist, &showlist);
@@ -2661,7 +2661,7 @@ Set number of lines in a page for GDB output pagination."), _("\
Show number of lines in a page for GDB output pagination."), _("\
This affects the number of lines after which GDB will pause\n\
its output and ask you whether to continue.\n\
-Setting this to zero causes GDB never pause during output."),
+Setting this to \"unlimited\" or zero causes GDB never pause during output."),
set_height_command,
show_lines_per_page,
&setlist, &showlist);
@@ -2674,7 +2674,7 @@ Set state of GDB output pagination."), _("\
Show state of GDB output pagination."), _("\
When pagination is ON, GDB pauses at end of each screenful of\n\
its output and asks you whether to continue.\n\
-Turning pagination off is an alternative to \"set height 0\"."),
+Turning pagination off is an alternative to \"set height unlimited\"."),
NULL,
show_pagination_enabled,
&setlist, &showlist);
diff --git a/gdb/valprint.c b/gdb/valprint.c
index 18cff49..bc21f4f 100644
--- a/gdb/valprint.c
+++ b/gdb/valprint.c
@@ -2707,7 +2707,7 @@ _initialize_valprint (void)
&user_print_options.print_max, _("\
Set limit on string chars or array elements to print."), _("\
Show limit on string chars or array elements to print."), _("\
-\"set print elements 0\" causes there to be no limit."),
+\"set print elements unlimited\" causes there to be no limit."),
NULL,
show_print_max,
&setprintlist, &showprintlist);
@@ -2724,7 +2724,7 @@ Show printing of char arrays to stop at first null char."), NULL,
&user_print_options.repeat_count_threshold, _("\
Set threshold for repeated print elements."), _("\
Show threshold for repeated print elements."), _("\
-\"set print repeats 0\" causes all elements to be individually printed."),
+\"set print repeats unlimited\" causes all elements to be individually printed."),
NULL,
show_repeat_count_threshold,
&setprintlist, &showprintlist);
generated by cgit v1.1 at 2024-11-27 05:53:34 +0000