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[binutils-gdb] Support 'info proc files' on live FreeBSD processes.
- From: John Baldwin <jhb at sourceware dot org>
- To: gdb-cvs at sourceware dot org
- Date: 18 Sep 2018 21:19:45 -0000
- Subject: [binutils-gdb] Support 'info proc files' on live FreeBSD processes.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7e69672e4dfa532607e4ecef99623680264a87b3
commit 7e69672e4dfa532607e4ecef99623680264a87b3
Author: John Baldwin <jhb@FreeBSD.org>
Date: Tue Sep 18 14:05:47 2018 -0700
Support 'info proc files' on live FreeBSD processes.
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.
Diff:
---
gdb/ChangeLog | 5 +++++
gdb/fbsd-nat.c | 32 +++++++++++++++++++++++++++++++-
2 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7cd17a5..88406c7 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2018-09-18 John Baldwin <jhb@FreeBSD.org>
+ * fbsd-nat.c (fbsd_nat_target::info_proc): List open file
+ descriptors for IP_FILES and IP_ALL.
+
+2018-09-18 John Baldwin <jhb@FreeBSD.org>
+
* fbsd-tdep.c (KF_FLAGS, KF_OFFSET, KF_VNODE_TYPE, KF_SOCK_DOMAIN)
(KF_SOCK_TYPE, KF_SOCK_PROTOCOL, KF_SA_LOCAL, KF_SA_PEER)
(KINFO_FILE_TYPE_SOCKET, KINFO_FILE_TYPE_PIPE)
diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index 2b829bf..24e40e2 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)
{