[PATCH] Support AT_BSDFLAGS on FreeBSD.

[John Baldwin]

include/ChangeLog:

	* elf/common.h (AT_FREEBSD_BSDFLAGS): Define.

gdb/ChangeLog:

	* fbsd-tdep.c (fbsd_print_auxv_entry): Handle AT_FREEBSD_BSDFLAGS.
---
 gdb/ChangeLog        | 4 ++++
 gdb/fbsd-tdep.c      | 1 +
 include/ChangeLog    | 4 ++++
 include/elf/common.h | 1 +
 4 files changed, 10 insertions(+)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5400a4e348..782e955358 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-03-25  John Baldwin  <jhb@FreeBSD.org>
+
+	* fbsd-tdep.c (fbsd_print_auxv_entry): Handle AT_FREEBSD_BSDFLAGS.
+
 2020-03-25  Hannes Domani  <ssbssa@yahoo.de>
 
 	* windows-nat.c (windows_add_all_dlls): Fix system dll paths.
diff --git a/gdb/fbsd-tdep.c b/gdb/fbsd-tdep.c
index ffffb18700..54f5149e5c 100644
--- a/gdb/fbsd-tdep.c
+++ b/gdb/fbsd-tdep.c
@@ -1597,6 +1597,7 @@ fbsd_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file,
       TAG (EHDRFLAGS, _("ELF header e_flags"), AUXV_FORMAT_HEX);
       TAG (HWCAP, _("Machine-dependent CPU capability hints"), AUXV_FORMAT_HEX);
       TAG (HWCAP2, _("Extension of AT_HWCAP"), AUXV_FORMAT_HEX);
+      TAG (BSDFLAGS, _("ELF BSD flags"), AUXV_FORMAT_HEX);
     }
 
   fprint_auxv_entry (file, name, description, format, type, val);
diff --git a/include/ChangeLog b/include/ChangeLog
index 3d26a570ca..3f3e3caa0f 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2020-03-25  John Baldwin  <jhb@FreeBSD.org>
+
+	* elf/common.h (AT_FREEBSD_BSDFLAGS): Define.
+
 2020-03-24  Martin Liska  <mliska@suse.cz>
 
 	PR lto/94249
diff --git a/include/elf/common.h b/include/elf/common.h
index 1c84ccb430..6741c34a00 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -1251,6 +1251,7 @@
 #define AT_FREEBSD_EHDRFLAGS    24      /* e_flags field from ELF header. */
 #define AT_FREEBSD_HWCAP        25      /* CPU feature flags. */
 #define AT_FREEBSD_HWCAP2       26      /* CPU feature flags 2. */
+#define AT_FREEBSD_BSDFLAGS     27      /* ELF BSD Flags. */
 
 #define AT_SUN_UID      2000    /* Effective user ID.  */
 #define AT_SUN_RUID     2001    /* Real user ID.  */
-- 
2.25.1