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Support AT_BSDFLAGS on FreeBSD.

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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.
This commit is contained in:
John Baldwin
2020-03-26 09:48:28 -07:00
parent 0826b30a9f
commit a879b4d5a6
4 changed files with 10 additions and 0 deletions
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gdb/fbsd-tdep.c
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@ -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);