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-rw-r--r--gdb/ChangeLog8
-rw-r--r--gdb/doc/ChangeLog6
-rw-r--r--gdb/doc/gdb.texinfo18
-rw-r--r--gdb/remote.c61
4 files changed, 72 insertions, 21 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 70b4d44..25aded3 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2018-07-09 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * remote.c (show_hardware_watchpoint_limit): New function.
+ (show_hardware_watchpoint_length_limit): New function.
+ (show_hardware_breakpoint_limit): New function.
+ (_initialize_remote): Use add_setshow_zuinteger_unlimited_cmd
+ where appropriate, update help text.
+
2018-07-09 Tom Tromey <tom@tromey.com>
* Makefile.in (CDEPS): Don't mention XM_CDEPS.
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index fbdab9b..adb97a5 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,9 @@
+2018-07-09 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * gdb.texinfo (Remote Configuration): Update descriptions for
+ set/show of hardware-watchpoint-limit, hardware-breakpoint-limit,
+ and hardware-watchpoint-length-limit variables.
+
2018-07-02 Maciej W. Rozycki <macro@mips.com>
PR tdep/8282
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 91ec219..245d3f1 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -21161,16 +21161,24 @@ responses.
@anchor{set remote hardware-breakpoint-limit}
@item set remote hardware-watchpoint-limit @var{limit}
@itemx set remote hardware-breakpoint-limit @var{limit}
-Restrict @value{GDBN} to using @var{limit} remote hardware breakpoint or
-watchpoints. A limit of -1, the default, is treated as unlimited.
+Restrict @value{GDBN} to using @var{limit} remote hardware watchpoints
+or breakpoints. The @var{limit} can be set to 0 to disable hardware
+watchpoints or breakpoints, and @code{unlimited} for unlimited
+watchpoints or breakpoints.
+
+@item show remote hardware-watchpoint-limit
+@itemx show remote hardware-breakpoint-limit
+Show the current limit for the number of hardware watchpoints or
+breakpoints that @value{GDBN} can use.
@cindex limit hardware watchpoints length
@cindex remote target, limit watchpoints length
@anchor{set remote hardware-watchpoint-length-limit}
@item set remote hardware-watchpoint-length-limit @var{limit}
-Restrict @value{GDBN} to using @var{limit} bytes for the maximum length of
-a remote hardware watchpoint. A limit of -1, the default, is treated
-as unlimited.
+Restrict @value{GDBN} to using @var{limit} bytes for the maximum
+length of a remote hardware watchpoint. A @var{limit} of 0 disables
+hardware watchpoints and @code{unlimited} allows watchpoints of any
+length.
@item show remote hardware-watchpoint-length-limit
Show the current limit (in bytes) of the maximum length of
diff --git a/gdb/remote.c b/gdb/remote.c
index d5accc6..297c198 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -1728,6 +1728,39 @@ show_memory_write_packet_size (const char *args, int from_tty)
show_memory_packet_size (&memory_write_packet_config);
}
+/* Show the number of hardware watchpoints that can be used. */
+
+static void
+show_hardware_watchpoint_limit (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c,
+ const char *value)
+{
+ fprintf_filtered (file, _("The maximum number of target hardware "
+ "watchpoints is %s.\n"), value);
+}
+
+/* Show the length limit (in bytes) for hardware watchpoints. */
+
+static void
+show_hardware_watchpoint_length_limit (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c,
+ const char *value)
+{
+ fprintf_filtered (file, _("The maximum length (in bytes) of a target "
+ "hardware watchpoint is %s.\n"), value);
+}
+
+/* Show the number of hardware breakpoints that can be used. */
+
+static void
+show_hardware_breakpoint_limit (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c,
+ const char *value)
+{
+ fprintf_filtered (file, _("The maximum number of target hardware "
+ "breakpoints is %s.\n"), value);
+}
+
long
remote_target::get_memory_write_packet_size ()
{
@@ -14347,32 +14380,28 @@ further restriction and ``limit'' to enable that restriction."),
_("Show the maximum number of bytes per memory-read packet."),
&remote_show_cmdlist);
- add_setshow_zinteger_cmd ("hardware-watchpoint-limit", no_class,
+ add_setshow_zuinteger_unlimited_cmd ("hardware-watchpoint-limit", no_class,
&remote_hw_watchpoint_limit, _("\
Set the maximum number of target hardware watchpoints."), _("\
Show the maximum number of target hardware watchpoints."), _("\
-Specify a negative limit for unlimited."),
- NULL, NULL, /* FIXME: i18n: The maximum
- number of target hardware
- watchpoints is %s. */
- &remote_set_cmdlist, &remote_show_cmdlist);
- add_setshow_zinteger_cmd ("hardware-watchpoint-length-limit", no_class,
+Specify \"unlimited\" for unlimited hardware watchpoints."),
+ NULL, show_hardware_watchpoint_limit,
+ &remote_set_cmdlist,
+ &remote_show_cmdlist);
+ add_setshow_zuinteger_unlimited_cmd ("hardware-watchpoint-length-limit",
+ no_class,
&remote_hw_watchpoint_length_limit, _("\
Set the maximum length (in bytes) of a target hardware watchpoint."), _("\
Show the maximum length (in bytes) of a target hardware watchpoint."), _("\
-Specify a negative limit for unlimited."),
- NULL, NULL, /* FIXME: i18n: The maximum
- length (in bytes) of a target
- hardware watchpoint is %s. */
+Specify \"unlimited\" to allow watchpoints of unlimited size."),
+ NULL, show_hardware_watchpoint_length_limit,
&remote_set_cmdlist, &remote_show_cmdlist);
- add_setshow_zinteger_cmd ("hardware-breakpoint-limit", no_class,
+ add_setshow_zuinteger_unlimited_cmd ("hardware-breakpoint-limit", no_class,
&remote_hw_breakpoint_limit, _("\
Set the maximum number of target hardware breakpoints."), _("\
Show the maximum number of target hardware breakpoints."), _("\
-Specify a negative limit for unlimited."),
- NULL, NULL, /* FIXME: i18n: The maximum
- number of target hardware
- breakpoints is %s. */
+Specify \"unlimited\" for unlimited hardware breakpoints."),
+ NULL, show_hardware_breakpoint_limit,
&remote_set_cmdlist, &remote_show_cmdlist);
add_setshow_zuinteger_cmd ("remoteaddresssize", class_obscure,