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authorAndrew Cagney <cagney@redhat.com>2004-05-07 22:51:55 +0000
committerAndrew Cagney <cagney@redhat.com>2004-05-07 22:51:55 +0000
commit2b4855ab6b8e69b375c49df490db63ececf17da8 (patch)
treefa50b31fc2d7328ee97a0468805e0a05a3f7fd03
parentba3e8e46435a896352acc4be831145dfec819f5f (diff)
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2004-05-07 Andrew Cagney <cagney@redhat.com>
* observer.c: Include "commands.h" and "gdbcmd.h". (observer_debug, _initialize_observer): Add the command "set/show debug observer". * observer.sh: When observer debugging, log notify calls. * Makefile.in (observer.o): Update dependencies. Index: doc/ChangeLog 2004-05-07 Andrew Cagney <cagney@redhat.com> * observer.texi (GDB Observers): Add "Debugging" section. Include cross reference to "set/show debug observer". * gdb.texinfo (Debugging Output): Document "set/show debug observer".
-rw-r--r--gdb/ChangeLog8
-rw-r--r--gdb/Makefile.in3
-rw-r--r--gdb/doc/ChangeLog7
-rw-r--r--gdb/doc/gdb.texinfo7
-rw-r--r--gdb/doc/observer.texi5
-rw-r--r--gdb/observer.c18
-rwxr-xr-xgdb/observer.sh2
7 files changed, 49 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8c187a4..d7d33e6 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2004-05-07 Andrew Cagney <cagney@redhat.com>
+
+ * observer.c: Include "commands.h" and "gdbcmd.h".
+ (observer_debug, _initialize_observer): Add the
+ command "set/show debug observer".
+ * observer.sh: When observer debugging, log notify calls.
+ * Makefile.in (observer.o): Update dependencies.
+
2004-05-07 Jason Molenda (jmolenda@apple.com)
* cli/cli-decode.c: Fix "SHOW_DOR" comment typeos.
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 89ddd42..45ad2bb 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -2118,7 +2118,8 @@ objfiles.o: objfiles.c $(defs_h) $(bfd_h) $(symtab_h) $(symfile_h) \
$(objfiles_h) $(gdb_stabs_h) $(target_h) $(bcache_h) $(gdb_assert_h) \
$(gdb_stat_h) $(gdb_obstack_h) $(gdb_string_h) $(hashtab_h) \
$(breakpoint_h) $(block_h) $(dictionary_h)
-observer.o: observer.c $(defs_h) $(observer_h) $(observer_inc)
+observer.o: observer.c $(defs_h) $(observer_h) $(observer_inc) \
+ $(command_h) $(gdbcmd_h)
ocd.o: ocd.c $(defs_h) $(gdbcore_h) $(gdb_string_h) $(frame_h) $(inferior_h) \
$(bfd_h) $(symfile_h) $(target_h) $(gdbcmd_h) $(objfiles_h) \
$(gdb_stabs_h) $(serial_h) $(ocd_h) $(regcache_h)
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 977a00f..00f666d 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,10 @@
+2004-05-07 Andrew Cagney <cagney@redhat.com>
+
+ * observer.texi (GDB Observers): Add "Debugging" section. Include
+ cross reference to "set/show debug observer".
+ * gdb.texinfo (Debugging Output): Document "set/show debug
+ observer".
+
2004-05-01 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Delete
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 80d3225..aa82d06 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -13404,6 +13404,13 @@ default is off.
@item show debug frame
Displays the current state of displaying @value{GDBN} frame debugging
info.
+@kindex set debug observer
+@item set debug observer
+Turns on or off display of @value{GDBN} observer debugging. This
+includes info such as the notification of observable events.
+@kindex show debug observer
+@item show debug observer
+Displays the current state of observer debugging.
@kindex set debug overload
@item set debug overload
Turns on or off display of @value{GDBN} C@t{++} overload debugging
diff --git a/gdb/doc/observer.texi b/gdb/doc/observer.texi
index 5c1c2c5..fa7e1c3 100644
--- a/gdb/doc/observer.texi
+++ b/gdb/doc/observer.texi
@@ -35,6 +35,11 @@ The observer implementation is also currently not reentrant.
In particular, it is therefore not possible to call the attach
or detach routines during a notification.
+@section Debugging
+Observer notifications can be traced using the command @samp{set debug
+observer 1} (@pxref{Debugging Output, , Optional messages about
+internal happenings, gdb, Debugging with @var{GDBN}}).
+
@section @code{normal_stop} Notifications
@cindex @code{normal_stop} observer
@cindex notification about inferior execution stop
diff --git a/gdb/observer.c b/gdb/observer.c
index 53916ce..6bdcdf5 100644
--- a/gdb/observer.c
+++ b/gdb/observer.c
@@ -52,6 +52,10 @@
#include "defs.h"
#include "observer.h"
+#include "command.h"
+#include "gdbcmd.h"
+
+static int observer_debug;
/* The internal generic observer. */
@@ -189,4 +193,18 @@ observer_test_third_notification_function (struct bpstats *bs)
observer_test_third_observer++;
}
+extern initialize_file_ftype _initialize_observer; /* -Wmissing-prototypes */
+
+void
+_initialize_observer (void)
+{
+ add_setshow_zinteger_cmd ("observer", class_maintenance, &observer_debug, "\
+Set observer debugging.\n\
+When non-zero, observer debugging is enabled.", "\
+Show observer debugging.\n\
+When non-zero, observer debugging is enabled.",
+ NULL, NULL,
+ &setdebuglist, &showdebuglist);
+}
+
#include "observer.inc"
diff --git a/gdb/observer.sh b/gdb/observer.sh
index c5d3779..2cc0e7f 100755
--- a/gdb/observer.sh
+++ b/gdb/observer.sh
@@ -134,6 +134,8 @@ observer_notify_${event} (${formal})
{
struct ${event}_args args;
`echo ${actual} | sed -e 's/\([a-z0-9_][a-z0-9_]*\)/args.\1 = \1/g'`;
+ if (observer_debug)
+ fprintf_unfiltered (gdb_stdlog, "observer_notify_${event}() called\n");
generic_observer_notify (${event}_subject, &args);
}
EOF