* Makefile.in (SFILES): Add osabi.c.

(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.

* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.

* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.

* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this.  Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members.  Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.

* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.

1 files changed, 78 insertions, 0 deletions

diff --git a/gdb/osabi.h b/gdb/osabi.h
new file mode 100644
index 0000000000..23e7025d9d
--- /dev/null
+++ b/gdb/osabi.h
@@ -0,0 +1,78 @@
+/* OS ABI variant handling for GDB.
+   Copyright 2001, 2002 Free Software Foundation, Inc.
+   
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef OSABI_H
+#define OSABI_H
+
+/* List of known OS ABIs.  If you change this, make sure to update the
+   table in osabi.c.  */
+enum gdb_osabi
+{
+  GDB_OSABI_UNKNOWN = 0,	/* keep this first */
+
+  GDB_OSABI_SVR4,
+  GDB_OSABI_HURD,
+  GDB_OSABI_SOLARIS,
+  GDB_OSABI_OSF1,
+  GDB_OSABI_LINUX,
+  GDB_OSABI_FREEBSD_AOUT,
+  GDB_OSABI_FREEBSD_ELF,
+  GDB_OSABI_NETBSD_AOUT,
+  GDB_OSABI_NETBSD_ELF,
+  GDB_OSABI_WINCE,
+
+  GDB_OSABI_ARM_EABI_V1,
+  GDB_OSABI_ARM_EABI_V2,
+  GDB_OSABI_ARM_APCS,
+
+  GDB_OSABI_INVALID		/* keep this last */
+};
+
+/* Register an OS ABI sniffer.  Each arch/flavour may have more than
+   one sniffer.  This is used to e.g. differentiate one OS's a.out from
+   another.  The first sniffer to return something other than
+   GDB_OSABI_UNKNOWN wins, so a sniffer should be careful to claim a file
+   only if it knows for sure what it is.  */
+void gdbarch_register_osabi_sniffer (enum bfd_architecture,
+				     enum bfd_flavour,
+				     enum gdb_osabi (*)(bfd *));
+
+/* Register a handler for an OS ABI variant for a given architecture.  There
+   should be only one handler for a given OS ABI each architecture family.  */
+void gdbarch_register_osabi (enum bfd_architecture, enum gdb_osabi,
+                             void (*)(struct gdbarch_info,
+				      struct gdbarch *));
+
+/* Lookup the OS ABI corresponding to the specified BFD.  */
+enum gdb_osabi gdbarch_lookup_osabi (bfd *);
+
+/* Initialize the gdbarch for the specified OS ABI variant.  */
+void gdbarch_init_osabi (struct gdbarch_info, struct gdbarch *,
+                         enum gdb_osabi);
+
+/* Return the name of the specified OS ABI.  */
+const char *gdbarch_osabi_name (enum gdb_osabi);
+
+/* Helper routine for ELF file sniffers.  This looks at ABI tag note
+   sections to determine the OS ABI from the note.  It should be called
+   via bfd_map_over_sections.  */
+void generic_elf_osabi_sniff_abi_tag_sections (bfd *, asection *, void *);
+
+#endif /* OSABI_H */