* sentinel-frame.c (sentinel_frame_prev_pc): New function.
(sentinel_frame_unwinder): Add the prev_pc method.
* frame.c (frame_pc_unwind): Use the per-frame pc unwinder when
available. Do not handle the sentinel-frame case.
* frame-unwind.h (frame_prev_register_ftype): Define.
(struct frame_unwind): Add prev_pc;
* gdb_curses.h: Include term.h here, prefering ncurses/term.h.
* utils.c: Include gdb_curses.h instead of curses.h and term.h.
* tui/tui.c: Don't include term.h.
* configure, config.in: Rebuilt.
* i386-linux-tdep.c (i386_linux_dwarf_signal_frame_p): New.
(i386_linux_init_abi): Call dwarf2_frame_set_signal_frame_p.
* inf-ptrace.c (inf_ptrace_attach): Call
observer_notify_inferior_created.
* inftarg.c (child_attach): Likewise.
* symfile-mem.c: Include "observer.h", "auxv.h", and "elf/common.h".
(symbol_file_add_from_memory): Take NAME argument. Use it for
the new BFD's filename.
(add_symbol_file_from_memory_command): Update call to
symbol_file_add_from_memory.
(struct symbol_file_add_from_memory_args, add_vsyscall_page)
(symbol_file_add_from_memory_wrapper): New.
(_initialize_symfile_mem): Register add_vsyscall_page as an
inferior_created observer.
fetch_inferior_registers. Make static.
(m68kbsd_store_inferior_registers): Rename from
store_inferior_registers. Make static.
(_initialize_m68kbsd_nat): Construct and add target vector.
* config/m68k/nbsdaout.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o. Add inf-ptrace.o.
(NAT_FILE): Set to tm-solib.h.
(LOADLIBES): New variable.
* config/m68k/nbsdelf.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o. Add inf-ptrace.o.
(NAT_FILE): Delete variable.
* config/m68k/obsd.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o. Add inf-ptrace.o.
(NAT_FILE): Set to tm-solib.h.
* config/m68k/nm-nbsdaout.h: Remove file.
from mipsnbsd_ilp32_solib_svr4_fetch_link_map_offsets. Trim sizes
to only include the structure members we actually need.
(mipsnbsd_lp64_fetch_link_map_offsets): Renamed from
mipsnbsd_lp64_solib_svr4_fetch_link_map_offsets. Trim sizes to
only include the structure members we actually need.
(mipsnbsd_init_abi): Update.
* dwarf2-frame.c (dwarf2_frame_cache): Only complain when both the
CFI and the init_reg method leave the register unspecified.
Include the register name in the "Incomplete CFI data" complaint.
Supress leading zeros in the address.
* defs.h (fatal, vfatal): New function prototypes.
* stack.c (backtrace_command_stub): Stub to call backtrace_command_1
via catch_errors.
(backtrace_command): Change to call backtrace_command_stub via
catch_errors instead of calling backtrace_command_1 directly.
(backtrace_full_command): Ditto.
* utils.c (error_stream_1): New static function.
(verror): Change to call error_stream_1 instead of error_stream.
(error_stream): Call error_stream_1 with RETURN_ERROR argument.
(vfatal, fatal): New functions.
prevent cross-objfile references.
(make_cv_type): Doc fix. Don't create cross-objfile references,
even for stub types.
(replace_type): Add assertion to prevent cross-objfile references.
(check_typedef): Never resolve a stub type by copying over a type
from another file.
