selected OS ABI. There may be only one handler for a given OS ABI
for each BFD architecture.
-The following OS ABI variants are defined in @file{osabi.h}:
+The following OS ABI variants are defined in @file{defs.h}:
@table @code
+@findex GDB_OSABI_UNINITIALIZED
+@item GDB_OSABI_UNINITIALIZED
+Used for struct gdbarch_info if ABI is still uninitialized.
+
@findex GDB_OSABI_UNKNOWN
@item GDB_OSABI_UNKNOWN
The ABI of the inferior is unknown. The default @code{gdbarch}
@findex GDB_OSABI_SVR4
@item GDB_OSABI_SVR4
-UNIX System V Release 4
+UNIX System V Release 4.
@findex GDB_OSABI_HURD
@item GDB_OSABI_HURD
-GNU using the Hurd kernel
+GNU using the Hurd kernel.
@findex GDB_OSABI_SOLARIS
@item GDB_OSABI_SOLARIS
-Sun Solaris
+Sun Solaris.
@findex GDB_OSABI_OSF1
@item GDB_OSABI_OSF1
-OSF/1, including Digital UNIX and Compaq Tru64 UNIX
+OSF/1, including Digital UNIX and Compaq Tru64 UNIX.
@findex GDB_OSABI_LINUX
@item GDB_OSABI_LINUX
-GNU using the Linux kernel
+GNU using the Linux kernel.
@findex GDB_OSABI_FREEBSD_AOUT
@item GDB_OSABI_FREEBSD_AOUT
-FreeBSD using the a.out executable format
+FreeBSD using the @code{a.out} executable format.
@findex GDB_OSABI_FREEBSD_ELF
@item GDB_OSABI_FREEBSD_ELF
-FreeBSD using the ELF executable format
+FreeBSD using the ELF executable format.
@findex GDB_OSABI_NETBSD_AOUT
@item GDB_OSABI_NETBSD_AOUT
-NetBSD using the a.out executable format
+NetBSD using the @code{a.out} executable format.
@findex GDB_OSABI_NETBSD_ELF
@item GDB_OSABI_NETBSD_ELF
-NetBSD using the ELF executable format
+NetBSD using the ELF executable format.
+
+@findex GDB_OSABI_OPENBSD_ELF
+@item GDB_OSABI_OPENBSD_ELF
+OpenBSD using the ELF executable format.
@findex GDB_OSABI_WINCE
@item GDB_OSABI_WINCE
-Windows CE
+Windows CE.
@findex GDB_OSABI_GO32
@item GDB_OSABI_GO32
-DJGPP
+DJGPP.
@findex GDB_OSABI_NETWARE
@item GDB_OSABI_NETWARE
-Novell NetWare
+Novell NetWare.
+
+@findex GDB_OSABI_IRIX
+@item GDB_OSABI_IRIX
+Irix.
+
+@findex GDB_OSABI_LYNXOS
+@item GDB_OSABI_LYNXOS
+LynxOS.
+
+@findex GDB_OSABI_INTERIX
+@item GDB_OSABI_INTERIX
+Interix (Posix layer for MS-Windows systems).
-@findex GDB_OSABI_ARM_EABI_V1
-@item GDB_OSABI_ARM_EABI_V1
-ARM Embedded ABI version 1
+@findex GDB_OSABI_HPUX_ELF
+@item GDB_OSABI_HPUX_ELF
+HP/UX using the ELF executable format.
-@findex GDB_OSABI_ARM_EABI_V2
-@item GDB_OSABI_ARM_EABI_V2
-ARM Embedded ABI version 2
+@findex GDB_OSABI_HPUX_SOM
+@item GDB_OSABI_HPUX_SOM
+HP/UX using the SOM executable format.
-@findex GDB_OSABI_ARM_APCS
-@item GDB_OSABI_ARM_APCS
-Generic ARM Procedure Call Standard
+@findex GDB_OSABI_QNXNTO
+@item GDB_OSABI_QNXNTO
+QNX Neutrino.
+
+@findex GDB_OSABI_CYGWIN
+@item GDB_OSABI_CYGWIN
+Cygwin.
+
+@findex GDB_OSABI_AIX
+@item GDB_OSABI_AIX
+AIX.
@end table
with the defaults already established for @var{gdbarch}.
@end deftypefun
+@deftypefun void generic_elf_osabi_sniff_abi_tag_sections (bfd *@var{abfd}, asection *@var{sect}, void *@var{obj})
+Helper routine for ELF file sniffers. Examine the file described by
+@var{abfd} and look at ABI tag note sections to determine the OS ABI
+from the note. This function should be called via
+@code{bfd_map_over_sections}.
+@end deftypefun
+
@section Initializing a New Architecture
Each @code{gdbarch} is associated with a single @sc{bfd} architecture,