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Support 'info proc files' on live FreeBSD processes.

Browse Source 
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.
This commit is contained in:
John Baldwin
2018-09-18 14:05:47 -07:00
parent 57c2a98a4c
commit 7e69672e4d
2 changed files with 36 additions and 1 deletions
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32
gdb/fbsd-nat.c
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@@ -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)
{