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authorJohn Baldwin <jhb@FreeBSD.org>2020-03-26 09:48:28 -0700
committerJohn Baldwin <jhb@FreeBSD.org>2020-03-26 09:48:28 -0700
commita879b4d5a683f8dbebae8cf98297ee4a2db2e9e1 (patch)
tree79b1d70d76c6f0470a043a5d5165621e879e9bca
parent0826b30a9fa085ccee574465523d0560a4a01198 (diff)
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Support AT_BSDFLAGS on FreeBSD.
FreeBSD's kernel recently added a new ELF auxiliary vector entry holding a mask of software features provided by the kernel. This change fixes 'info auxv' to report the name and description for this vector entry instead of '???'. include/ChangeLog: * elf/common.h (AT_FREEBSD_BSDFLAGS): Define. gdb/ChangeLog: * fbsd-tdep.c (fbsd_print_auxv_entry): Handle AT_FREEBSD_BSDFLAGS.
-rw-r--r--gdb/ChangeLog4
-rw-r--r--gdb/fbsd-tdep.c1
-rw-r--r--include/ChangeLog4
-rw-r--r--include/elf/common.h1
4 files changed, 10 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 049f52d..10a3548 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-03-26 John Baldwin <jhb@FreeBSD.org>
+
+ * fbsd-tdep.c (fbsd_print_auxv_entry): Handle AT_FREEBSD_BSDFLAGS.
+
2020-03-26 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (handle_data_member_location, dwarf2_add_field)
diff --git a/gdb/fbsd-tdep.c b/gdb/fbsd-tdep.c
index ffffb18..54f5149 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 3d26a57..d7e5ada 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2020-03-26 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 1c84ccb..6741c34 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. */