* i386-tdep.h (struct gdbarch_tdep): Add members `sc_reg_offset'
and `sc_num_regs'.
(I386_EAX_REGNUM, I386_EDX_REGNUM, I386_ESP_REGNUM,
I386_EBP_REGNUM, I386_EIP_REGNUM, I386_EFLAGS_REGNUM,
I386_ST0_REGNUM): Move here from...
* i386-tdep.c: ... here.
(I386_NUM_SAVED_REGS): Define to I386_NUM_REGS.
(i386_sigtramp_frame_cache): Use `sc_reg_offset' to find saved
registers if possible.
(i386_gdbarch_init): Initialize TDEP->sc_reg_offset.
* i386bsd-tdep.c (i386bsd_sc_pc_offset, i386bsd_sc_sp_offset):
Remove variables.
(i386bsd_sc_reg_offset): New variable.
(i386bsd_init_abi): Initialize TDEP->sc_reg_offset and
TDEP->sc_num_regs instead of TDEP->sc_pc_offset and
TDEP->sc_sp_offset.
(i386fbsd_sc_reg_offset): New variable.
(i386fbsdaout_init_abi): Initialize TDEP->sc_reg_offset and
TDEP->sc_num_regs.
(i386fbsd4_sc_pc_offset, i386fbsd4_sc_sp_offset): Remove
variables.
(i386fbsd4_sc_reg_offset): New variable.
(i3864bsd4_init_abi): Initialize TDEP->sc_reg_offset and
TDEP->sc_num_regs instead of TDEP->sc_pc_offset and
TDEP->sc_sp_offset.
* i386-linux-tdep.c (i386_linux_sc_reg_offset): New variable.
(i386_linux_init_abi): Set TDEP->sc_reg_offset and TDEP->sc_num_regs.
* i386nbsd-tdep.c (i386nbsd_sc_pc_offset, i386nbsd_sc_sp_offset):
Remove variables.
(i386nbsd_sc_reg_offset): New variable.
(i386nbsd_init_abi): Initialize TDEP->sc_reg_offset and
TDEP->sc_num_regs instead of TDEP->sc_pc_offset and
TDEP->sc_sp_offset.
* i386obsd-tdep.c (i386obsd_sc_pc_offset, i386obsd_sc_sp_offset):
Remove variables.
(i386obsd_sc_reg_offset): New variable.
(i386obsd_init_abi): Initialize TDEP->sc_reg_offset and
TDEP->sc_num_regs instead of TDEP->sc_pc_offset and
TDEP->sc_sp_offset.
* i386bsd-nat.c (_initialize_i386bsd_nat): Adjust for changes in
i386bsd-tdep.c, i386nbsd-tdep.c and i386obsd-tdep.c. Add check
for frame pointer offset in `struct sigcontext'.
GDB_OSABI_UNINITIALIZED.
* gdbarch.sh: Add osabi to struct gdbarch and to struct
gdbarch_info. Include "osabi.h" in gdbarch.c. Check osabi
in gdbarch_list_lookup_by_info and in gdbarch_update_p.
* gdbarch.c: Regenerated.
* gdbarch.h: Regenerated.
* osabi.c (gdbarch_lookup_osabi): Return GDB_OSABI_UNINITIALIZED if
there's no BFD.
(gdbarch_init_osabi): Remove osabi argument; use info.osabi.
* osabi.h (enum gdb_osabi): Move to defs.h.
(gdbarch_init_osabi): Update prototype.
* defs.h (enum gdb_osabi): Moved here.
* Makefile.in: Update dependencies.
Plus updates to alpha, arm, hppa, i386, mips, ns32k, ppc, sh, sparc, and vax
ports to match.
* config/i386/obsd.mt: New file.
* i386bsd-nat.c (_initialize_i386bsd_nat): Introduce
i386obsd_sc_pc_offset and i386obsd_sc_sp_offset;
* i386obsd-nat.c (_initialize_i386obsd_nat): Set
i386obsd_sigtramp_start and i386obsd_sigtramp_end instead of
i386nbsd_sigtramp_start and i386nbsd_sigtramp_end.
* i386obsd-tdep.c: New file.
