[PATCH 4/4] Update documentation on catching a group of related syscalls.

[Gabriel Krisman Bertazi <gabriel@krisman.be>]

gdb/

	* breakpoint.c (_initialize_breakpoint): Update catch syscall
	command documentation.
	* NEWS: Include section about catching groups of syscalls.

gdb/doc/

	* gdb.texinfo (Set Catchpoints): Add 'group' argument to catch
	syscall.
---
 gdb/NEWS            |  5 +++++
 gdb/breakpoint.c    | 10 +++++-----
 gdb/doc/gdb.texinfo |  8 +++++++-
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/gdb/NEWS b/gdb/NEWS
index 649c29e..edea1ff 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -60,6 +60,11 @@ SGI Irix-6.x				mips-*-irix6*
 VAX running (4.2 - 4.3 Reno) BSD 	vax-*-bsd*
 VAX running Ultrix 			vax-*-ultrix*
 
+* Catch syscall catches groups of related syscalls.
+
+  Catch syscall command supports catching a group of related
+  syscalls using the 'group:' or 'g:' prefix.
+
 *** Changes in GDB 7.8
 
 * New command line options
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 8520361..9bd3519 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -16736,11 +16736,11 @@ If REGEX is given, only stop for libraries matching the regular expression."),
 		     CATCH_PERMANENT,
 		     CATCH_TEMPORARY);
   add_catch_command ("syscall", _("\
-Catch system calls by their names and/or numbers.\n\
-Arguments say which system calls to catch.  If no arguments\n\
-are given, every system call will be caught.\n\
-Arguments, if given, should be one or more system call names\n\
-(if your system supports that), or system call numbers."),
+Catch system calls by their names, groups and/or numbers.  Arguments\n\
+say which system calls to catch.  If no arguments are given, every\n\
+system call will be caught.  Arguments, if given, should be one or\n\
+more system call names (if your system supports that), system call\n\
+groups or system call numbers."),
 		     catch_syscall_command_1,
 		     catch_syscall_completer,
 		     CATCH_PERMANENT,
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 15c2908..ca16e11 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -4254,7 +4254,7 @@ A call to @code{exec}.  This is currently only available for HP-UX
 and @sc{gnu}/Linux.
 
 @item syscall
-@itemx syscall @r{[}@var{name} @r{|} @var{number}@r{]} @dots{} 
+@itemx syscall @r{[}@var{name} @r{|} @var{number} @r{|} @var{group:groupname} @r{|} @var{g:groupname}@r{]} @dots{}
 @kindex catch syscall
 @cindex break on a system call.
 A call to or return from a system call, a.k.a.@: @dfn{syscall}.  A
@@ -4289,6 +4289,12 @@ may be useful if @value{GDBN}'s database does not have the complete
 list of syscalls on your system (e.g., because @value{GDBN} lags
 behind the OS upgrades).
 
+You may specify a group of related syscalls to be caught at once
+using the @code{group:} syntax (@code{g:} is a shorter equivalent.).
+For instance, on some platforms GDB allows you to catch all network
+related syscalls, by passing the argument @code{group:network} to
+@code{catch syscall}.
+
 The example below illustrates how this command works if you don't provide
 arguments to it:
 
-- 
1.9.3