Add a new 'info proc files' subcommand of 'info proc'.

This command displays a list of open file descriptors.

gdb/ChangeLog:

	* defs.h (enum info_proc_what) [IP_FILES]: New value.
	* infcmd.c (info_proc_cmd_files): New function.
	(_initialize_infcmd): Register 'info proc files' command.

3 files changed, 21 insertions, 0 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f05372e..a5ce64f 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
 2018-09-18  John Baldwin  <jhb@FreeBSD.org>
 
+	* defs.h (enum info_proc_what) [IP_FILES]: New value.
+	* infcmd.c (info_proc_cmd_files): New function.
+	(_initialize_infcmd): Register 'info proc files' command.
+
+2018-09-18  John Baldwin  <jhb@FreeBSD.org>
+
 	* gnulib/aclocal-m4-deps.mk: Re-generate.
 	* gnulib/aclocal.m4: Re-generate.
 	* gnulib/config.in: Re-generate.
diff --git a/gdb/defs.h b/gdb/defs.h
index fc42170..6e3f4df 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -389,6 +389,9 @@ enum info_proc_what
     /* * Display `info proc cwd'.  */
     IP_CWD,
 
+    /* * Display `info proc files'.  */
+    IP_FILES,
+
     /* * Display all of the above.  */
     IP_ALL
   };
diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index 047693e..d3d47cd 100644
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -3218,6 +3218,14 @@ info_proc_cmd_exe (const char *args, int from_tty)
   info_proc_cmd_1 (args, IP_EXE, from_tty);
 }
 
+/* Implement `info proc files'.  */
+
+static void
+info_proc_cmd_files (const char *args, int from_tty)
+{
+  info_proc_cmd_1 (args, IP_FILES, from_tty);
+}
+
 /* Implement `info proc all'.  */
 
 static void
@@ -3543,6 +3551,10 @@ List command line arguments of the process."),
 List absolute filename for executable of the process."),
 	   &info_proc_cmdlist);
 
+  add_cmd ("files", class_info, info_proc_cmd_files, _("\
+List files opened by the specified process."),
+	   &info_proc_cmdlist);
+
   add_cmd ("all", class_info, info_proc_cmd_all, _("\
 List all available /proc info."),
 	   &info_proc_cmdlist);