* 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'.
(I386_SIZEOF_GREGS, I386_SIZEOF_FREGS, I386_SIZEOF_XREGS): Remove
defenitions.
(IS_FP_REGNUM, IS_SSE_REGNUM): Remove definitions.
* i386-tdep.c: Mark functions that are 64-bit safe as such.
(I386_EAX_REGNUM, I386_EDX_REGNUM, I386_ESP_REGNUM,
I386_EBP_REGNUM, I386_EIP_REGNUM, I386_EFLAGS_REGNUM,
I386_ST0_REGNUM): New defines.
(CODESTREAM_BUFSIZ, codestream_tell, codestream_peek,
codestream_get): Remove define.
(codestream_next_addr, condestream_addr, condestream_buf,
codestream_off, codestream_cnt): Remove variables.
(codestream_fill, codestream_seek, codestream_read): Remove
functions.
(i386_follow_jump): Rewrite to avoid usage of removed codestream
functionality.
(i386_get_frame_setup, i386_frameless_signal_p, i386_frame_chain,
i386_sigtramp_saved_pc, i386_sigtramp_saved_sp,
i386_frame_saved_pc, i386_saved_pc_after_call,
i386_frame_num_args, i386_frame_init_saved_regs,
i386_push_return_address, i386_do_pop_frame, i386_pop_frame,
i386_push_arguments): Remove functions.
(i386_skip_prologue): Rewrite to avoid usage of removed codestream
functionality. Use i386_analyze_prologue instead of
i386_get_frame_setup.
(I386_NUM_SAVED_REGS): New define.
(struct i386_frame_cache): New structure.
(i386_alloc_frame_cache, i386_analyze_struct_return,
i386_skip_probe, i386_analyze_frame_setup,
i386_analyze_register_saves, i386_analyze_prologue,
i386_unwind_pc, i386_frame_cache, i386_frame_this_id,
i386_frame_prev_register, i386_sigtramp_frame_cache,
i386_sigtramp_frame_this_id, i386_sigtramp_frame_prev_register,
i386_frame_p, i386_sigtramp_frame_p, i386_frame_base_address,
i386_unwind_dummy_id, i386_save_dummy_tos, i386_push_dummy_call):
New functions.
(i386_frame_unwind, i386_sigtramp_frame_unwind, i386_frame_base):
New variables.
(LOW_RETURN_REGNUM, HIGH_RETURN_REGNUM): Define in terms of
I386_EAX_REGNUM and I386_EDX_REGNUM.
(i386_extract_return_value, i386_store_return_value): Use
I386_ST0_REGNUM where appropriate.
(i386_extract_struct_value_address): Rewrite to use extract_address.
(i386_svr4_pc_in_sigtramp): Add comment.
(i386_svr4_sigcontext_addr): Rewrite.
(i386_svr4_init_abi): Adjust TDEP->sc_pc_offset and
TDEP->sc_sp_offset.
(i386_gdbarch_init): Don't set deprecated_init_frame_pc. Set
sp_regnum, fp_regnum, pc_regnum, ps_regnum and fp0_regnum in terms
of new defines. Set push_dummy_call, don't set
deprecated_push_arguments, deprecated_push_return_address,
deprecated_pop_frame. Don't set parm_boundary. Don't set
deprecated_frame_chain, deprecated_frame_saved_pc,
deprecated_saved_pc_after_call. Set unwind_dummy_id,
save_dummy_frame_tos, unwind_pc. Call
frame_unwind_append_predicate and frame_base_set_default. Don't
set deprecated_dummy_write_pc. Don't set deprecated_fp_regnum.
Don't set frameless_function_invocation. Don't set
deprecated_register_bytes, deprecated_register_size,
deprecated_call_dummy_words and deprecated_sizeof_call_dummy.
* i386-linux-tdep.c: Fix formatting in some comments.
(LINUX_SIGTRAMP_INSN0, LINUX_SIGTRAMP_OFFSET0,
LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1,
LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2,
LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1): Drop
redundant parentheses.
(I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET): New define.
(i386_linux_sigcontext_addr): Use it. Rewrite.
(find_minsym_and_objfile): Change name of second argument.
(skip_gnu_resolver): Renamed from skip_hurd_resolver. All callers
changed. Use frame_pc_unwind instead of
DEPRECATED_SAVED_PC_AFTER_CALL.
(i386_linux_init_abi): Don't set deprecated_register_bytes.
* i386bsd-tdep.c (i386bsd_sigcontext_addr): Rewrite.
* i386-nto-tdep.c (i386nto_sigcontext_addr): Adapt for new frame
unwinder.
* i386-cygwin-tdep.c: Don't include "gdbcore.h", "frame.h" and
"dummy-frame.h".
(i386_cygwin_frame_chain_valid, i386_cygwin_frame_chain): Removed.
(_initialize_i386_cygwin_tdep): New prototype.
(i386_cygwin_init_abi): Don't set deprecated_frame_chain and
deprecated_frame_chain_valid.
* i386-sol2-tdep.c (i386_sol2_init_abi): Don't set
TDEP->sigcontext_addr, TDEP->sc_pc_offset and TDEP->sc_sp_offset.
Rely on the SVR4 defaults.
* config/i386/i386sol2.mt (TDEPFILES): Remove i386bsd-tdep.o.
* Makefile.in (i386-tdep.o, i386-cygwin-tdep.o): Update dependencies.
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.
sigtramp_end to i386bsd_sigtramp_start and i386bsd_sigtramp_end.
* i386nbsd-tdep.c (i386nbsd_init_abi): Set sigtramp_start and
sigtramp_end to NULL.
* config/i386/tm-fbsd.h (SIGTRAMP_START, SIGTRAMP_END): Remove
defines.
(i386bsd_sigtramp_start, i386_sigtramp_end): Remove prototypes.
$(i386_tdep_h), and nbsd-tdep.h to dependency list.
* i386-tdep.h (i386bsd_init_abi): New prototype.
* i386bsd-tdep.c (i386bsd_init_abi): Remove "static" from
function declaration.
(_initialize_i386bsd_tdep): Don't register OS ABI handlers
for NetBSD-a.out or NetBSD-ELF.
(i386nbsd_sigtramp_start, i386nbsd_sigtramp_end)
(i386nbsd_sc_pc_offset, i386nbsd_sc_sp_offset)
(i386nbsd_init_abi, i386nbsdelf_init_abi): Move to...
* i386nbsd-tdep.c: ...here. Include arch-utils.h, i386-tdep.h,
and nbsd-tdep.h.
(i386nbsd_pc_in_sigtramp): New function.
(i386nbsd_init_abi): Set gdbarch_pc_in_sigtramp to
i386nbsd_pc_in_sigtramp.
(_initialize_i386nbsd_tdep): Register i386nbsd_init_abi
and i386nbsdelf_init_abi OS ABI handlers.
* config/i386/nbsdaout.mt (TDEPFILES): Add nbsd-tdep.o.
* config/i386/nbsdelf.mt (TDEPFILES): Likewise.
New variables.
(i386nbsd_init_abi): Use these to initialize tdep->sigtramp_start
and tdep->sigtramp_end.
* i386obsd-nat.c: New file.
* config/i386/obsd.mh (NATDEPFILES): Add i386obsd-nat.o.
(i386_frame_chain): Deal with frameless signals.
(i386_sigtramp_saved_sp): New function.
(i386_frame_saved_pc): Deal with frameless signals.
(i386_saved_pc_after_call): Make sure the correct value is
returned just after entry into a sigtramp.
* i386bsd-tdep.c (i386bsd_sc_sp_offset, i386nbsd_sc_sp_offset,
i386fbsd4_sc_sp_offset): New variables.
(i386bsd_init_abi, i386nbsd_init_abi, i386fbsd4_init_abi): Use
these variables to initialize tdep->sc_sp_offset. * i386bsd-nat.c
(_initialize_i386bsd_nat): Add sanity check for sc_sp_offset
similiar to what we already did for sc_pc_offset.
* i386-sol2-tdep.c (i386_sol2_init_abi): Initialize
tdep->sc_sp_offset.
(IN_SOLIB_CALL_TRAMPOLINE): Remove define.
* config/i386/tm-nbsdaout.h (IN_SOLIB_CALL_TRAMPOLINE): Remove
define.
* i386bsd-tdep.c: Include "arch-utils.h".
(i386bsd_aout_in_solib_call_trampoline): New function.
(i386bsd_init_abi): Set in_solib_call_trampoline to
i386bsd_aout_in_solib_call_trampoline.
(i386nbsdelf_init_abi, i386fbsd_init_abi): Set
in_solib_call_trampoline to generic_in_solib_call_trampoline.
<sys/sysctl.h>.
(store_inferior_registers): Wrap long line.
(i386bsd_dr_get_status): Fix typo in comment.
(_initialize_i386bsd_nat): New function. * i386bsd-tdep.c: New
file. * config/i386/tm-fbsd.h (IN_SIGTRAMP): New define.
(i386bsd_in_sigtramp): New prototype.
(SIGTRAMP_START, SIGTRAMP_END): Redefine in terms...
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): ...these new
(external) variables.
(SIGCONTEXT_PC_OFFSET): Removed.
(FRAME_SAVED_PC): New define.
(i386bsd_frame_saved_pc): New function. * config/i386/fbsd.mt
(TDEPFILES): Add i386bsd-tdep.o.
