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[PATCH v3 6/8] Support 'info proc files' on live FreeBSD processes.
- From: John Baldwin <jhb at FreeBSD dot org>
- To: gdb-patches at sourceware dot org
- Date: Tue, 18 Sep 2018 11:54:42 -0700
- Subject: [PATCH v3 6/8] Support 'info proc files' on live FreeBSD processes.
- References: <20180918185444.89533-1-jhb@FreeBSD.org>
This walks the list of struct kinfo_file objects returned by a call to
kinfo_getfile outputting a description of each open file descriptor.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::info_proc): List open file
descriptors for IP_FILES and IP_ALL.
---
gdb/ChangeLog | 5 +++++
gdb/fbsd-nat.c | 32 +++++++++++++++++++++++++++++++-
2 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 146842bd29..0649464fba 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-09-17 John Baldwin <jhb@FreeBSD.org>
+
+ * fbsd-nat.c (fbsd_nat_target::info_proc): List open file
+ descriptors for IP_FILES and IP_ALL.
+
2018-09-17 John Baldwin <jhb@FreeBSD.org>
* fbsd-tdep.c (KF_FLAGS, KF_OFFSET, KF_VNODE_TYPE, KF_SOCK_DOMAIN)
diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index 2b829bfc3b..24e40e2406 100644
--- a/gdb/fbsd-nat.c
+++ b/gdb/fbsd-nat.c
@@ -265,6 +265,9 @@ fbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
bool do_cmdline = false;
bool do_cwd = false;
bool do_exe = false;
+#ifdef HAVE_KINFO_GETFILE
+ bool do_files = false;
+#endif
#ifdef HAVE_KINFO_GETVMMAP
bool do_mappings = false;
#endif
@@ -295,10 +298,18 @@ fbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
case IP_CWD:
do_cwd = true;
break;
+#ifdef HAVE_KINFO_GETFILE
+ case IP_FILES:
+ do_files = true;
+ break;
+#endif
case IP_ALL:
do_cmdline = true;
do_cwd = true;
do_exe = true;
+#ifdef HAVE_KINFO_GETFILE
+ do_files = true;
+#endif
#ifdef HAVE_KINFO_GETVMMAP
do_mappings = true;
#endif
@@ -322,7 +333,7 @@ fbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
printf_filtered (_("process %d\n"), pid);
#ifdef HAVE_KINFO_GETFILE
- if (do_cwd || do_exe)
+ if (do_cwd || do_exe || do_files)
fdtbl.reset (kinfo_getfile (pid, &nfd));
#endif
@@ -374,6 +385,25 @@ fbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
else
warning (_("unable to fetch executable path name"));
}
+#ifdef HAVE_KINFO_GETFILE
+ if (do_files)
+ {
+ struct kinfo_file *kf = fdtbl.get ();
+
+ if (nfd > 0)
+ {
+ fbsd_info_proc_files_header ();
+ for (int i = 0; i < nfd; i++, kf++)
+ fbsd_info_proc_files_entry (kf->kf_type, kf->kf_fd, kf->kf_flags,
+ kf->kf_offset, kf->kf_vnode_type,
+ kf->kf_sock_domain, kf->kf_sock_type,
+ kf->kf_sock_protocol, &kf->kf_sa_local,
+ &kf->kf_sa_peer, kf->kf_path);
+ }
+ else
+ warning (_("unable to fetch list of open files"));
+ }
+#endif
#ifdef HAVE_KINFO_GETVMMAP
if (do_mappings)
{
--
2.18.0