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authorphilippe <philippe>2011-07-26 20:57:52 +0000
committerphilippe <philippe>2011-07-26 20:57:52 +0000
commit6f4eadb5b9ada2cc143fbed4f9b6905820cf17fb (patch)
tree2f15516a997f1bf68453fd8b6eed16ec46723bec /gdb/remote.c
parent012fac25b34765462da39c93edb57857bab1c175 (diff)
downloadgdb-6f4eadb5b9ada2cc143fbed4f9b6905820cf17fb.tar.gz
2011-07-26 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* remote.c (remote_region_ok_for_hw_watchpoint): New function. (remote_hw_watchpoint_length_limit): New variable. (_initialize_remote) add set,show cmds for this new variable. * gdb.texinfo: document these new commands. * NEWS: Mention these new commands.
Diffstat (limited to 'gdb/remote.c')
-rw-r--r--gdb/remote.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/gdb/remote.c b/gdb/remote.c
index e7e417f0b2b..b17cb50b92d 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -7763,9 +7763,23 @@ remote_remove_watchpoint (CORE_ADDR addr, int len, int type,
int remote_hw_watchpoint_limit = -1;
+int remote_hw_watchpoint_length_limit = -1;
int remote_hw_breakpoint_limit = -1;
static int
+remote_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len)
+{
+ if (remote_hw_watchpoint_length_limit == 0)
+ return 0;
+ else if (remote_hw_watchpoint_length_limit < 0)
+ return 1;
+ else if (len <= remote_hw_watchpoint_length_limit)
+ return 1;
+ else
+ return 0;
+}
+
+static int
remote_check_watch_resources (int type, int cnt, int ot)
{
if (type == bp_hardware_breakpoint)
@@ -10356,6 +10370,8 @@ Specify the serial device it is connected to\n\
remote_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
remote_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
remote_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
+ remote_ops.to_region_ok_for_hw_watchpoint
+ = remote_region_ok_for_hw_watchpoint;
remote_ops.to_insert_watchpoint = remote_insert_watchpoint;
remote_ops.to_remove_watchpoint = remote_remove_watchpoint;
remote_ops.to_kill = remote_kill;
@@ -10751,6 +10767,15 @@ Specify a negative limit for unlimited."),
number of target hardware
watchpoints is %s. */
&remote_set_cmdlist, &remote_show_cmdlist);
+ add_setshow_zinteger_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. */
+ &remote_set_cmdlist, &remote_show_cmdlist);
add_setshow_zinteger_cmd ("hardware-breakpoint-limit", no_class,
&remote_hw_breakpoint_limit, _("\
Set the maximum number of target hardware breakpoints."), _("\