(set_screen_size): New prototype.
(init_page_info): Simplify by fetching the screen size from
Readline. Call set_screen_size.
(set_screen_size): New function.
(set_width): Add missing whitespace in comment.
(set_width_command): Call set_screen_size.
(set_height_command): New function.
(initialize_utils): Fix formatting. Make "set height" command
call set_height_command. Remove redundant code that turns off
pagination if output isn't a terminal. Remove redundant call to
set_width_command.
(sparc64_supply_rwindow, sparc64_fill_rwindow): Remove prototypes.
(sparc_supply_rwindow, sparc_fill_rwindow): New prototypes.
* sparc64-tdep.c (sparc64_pseudo_register_read): Add missing
`case' keyword.
(sparc64_register_info): Give the reister with number
SPARC64_STATE_REGNUM a name.
(sparc64_pseudo_register_write): Add support for %cwp, %pstate,
%asi and %ccr.
(sparc64_push_dummy_call): Take BIAS into account when checking
stcak alignment.
(sparc_software_single_step): Remove assertions that check whether
NPC and NNPC were zero.
(sparc_supply_rwindow): Make public. Merge functionality with
sparc64_supply_rwindow.
(sparc_fill_rwindow): Make public. Merge functionality with
sparc64_fill_rwindow.
(sparc64_supply_rwindow, sparc64_fill_rwindow): Remove.
* sparc64fbsd-nat.c (_initialize_sparc64fbsd_nat): Set
SPARCBSD_FPREG_SUPPLIES_P to sparc64fbsd_fpreg_supplies_p.
* sparc64fbsd-tdep.c (sparc64fbsd_supply_reg): Call
sparc_supply_rwindow instead of sparc64_supply_rwindow.
(register_objfile_data, set_objfile_data, objfile_data): New
prototypes.
* objfiles.c (objfile_alloc_data, objfile_free_data): New
prototypes.
(allocate_objfile): Call objfile_alloc_data.
(free_objfile): Call objfile_free_data.
(struct objfile_data): New.
(struct objfile_data_registration): New.
(struct objfile_data_registry): New.
(objfile_data_registry): New variable.
(register_objfile_data): New function.
(objfile_alloc_data, objfile_free_data): New functions.
(set_objfile_data, objfile_data): New functions.
* dwarf2-frame.c (dwarf2_frame_data): New variable.
(dwarf2_frame_find_fde, add_fde): Use new per-objfile data mechanism.
(_initialize_dwarf2_frame): New function and prototype.
* tracepoint.c (trace_dump_command): Trace break address
is subject to DECR_PC_AFTER_BREAK.
(set_traceframe_context): Make "trace_line" an int.
Fixes suggested by Mark Newman <mark.newman@lmco.com>
* sh-tdep.h (struct gdbarch_tdep): New member FLOAT_ARGLAST_REG.
* sh-tdep.c (sh_gdbarch_init): For sh2e, sh3e, and sh4, set
FLOAT_ARG0_REGNUM and FLOAT_ARGLAST_REGNUM, to be used for
argument passing.
(sh_push_dummy_call_fpu, sh_push_dummy_call_nofpu): New
functions, replace sh_push_dummy_call.
(sh_gdbarch_init): Set push_dummy_call to one of new methods.
2003-08-18 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (FRAME_RED_ZONE_SIZE): New architecture method.
* gdbarch.h, gdbarch.c: Re-generate.
* infcall.c (call_function_by_hand): Adjust the SP by
frame_red_zone_size before allocating any stack space.
* rs6000-tdep.c (rs6000_gdbarch_init): Set "frame_red_zone_size".
* x86-64-tdep.c (x86_64_frame_align): New function.
(x86_64_init_abi): Set "frame_red_zone_size" and "frame_align".
* x86-64-tdep.c (x86_64_push_arguments): Revert 2003-08-07 change.
Remove code adjusting SP so that it skips over the Red Zone.
Index: doc/ChangeLog
2003-08-18 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Document
"frame_red_zone_size".
* m68hc11-tdep.c (m68hc11_gdbarch_init): Do not set
"dwarf2_build_frame_info". Append "m68k_frame_sniffer" instead of
"m68k_frame_p".
(m68hc11_frame_sniffer): Replace "m68hc11_frame_p".
* config/i386/nm-linux.h (LINUX_CHILD_POST_STARTUP_INFERIOR): Define.
* config/nm-linux.h (CHILD_POST_STARTUP_INFERIOR, CHILD_POST_ATTACH)
(CHILD_FOLLOW_FORK, KILL_INFERIOR): Define.
* i386-linux-nat.c: Include "linux-nat.h".
(child_post_startup_inferior): New function.
* i386-nat.c (child_post_startup_inferior): Wrap in #ifdef.
* infptrace.c (kill_inferior): Wrap in #ifdef.
* lin-lwp.c (lin_lwp_attach_lwp): Call child_post_attach after
attaching to each LWP.
(child_wait, lin_lwp_wait): Call linux_handle_extended_wait.
(init_lin_lwp_ops): Fill in some more operations.
* linux-nat.h (linux_enable_event_reporting)
(linux_handle_extended_wait, linux_child_post_startup_inferior): New
prototypes.
* linux-nat.c (linux_enable_event_reporting): New function.
(child_post_attach, linux_child_post_startup_inferior)
(child_post_startup_inferior, child_follow_fork)
(linux_handle_extended_wait, kill_inferior): New functions.
* hppa-tdep.h: New file.
* hppa-tdep.c: #include hppa-tdep.c.
(hppa32_num_regs): Renamed from hppa_num_regs.
(hppa64_num_regs): New constant.
(hppa64_call_dummy_breakpoint_offset): New constant.
(hppa32_call_dummy_length): New constant.
(hppa64_call_dummy_length): New constant.
(hppa32_stack_align): Make name 32bit explicit.
(hppa32_register_virtual_type): Likewise.
(hppa32_extract_return_value): Likewise.
(hppa32_use_struct_convention): Likewise.
(hppa32_store_return_value): Likewise.
(hppa64_register_virtual_type): New function.
(hppa64_extract_return_value): New function.
(hppa64_use_struct_convention): New function.
(hppa64_store_return_value): New function.
(hppa_frame_locals_address): Remove declaration, function does
not exist anymore.
(hppa_register_byte): Add support for PA64 ABI.
(hppa_gdbarch_init): Add support for PA64 ABI.
* hppa-hpux-tdep.c (hppa32_hpux_frame_saved_pc_in_sigtramp):
Make name 32bit explicit.
(hppa32_hpux_frame_base_before_sigtramp): Likewise.
(hppa32_hpux_frame_find_saved_regs_in_sigtramp): Likewise.
(hppa64_hpux_frame_saved_pc_in_sigtramp): New function.
(hppa64_hpux_frame_base_before_sigtramp): New function.
(hppa64_hpux_frame_find_saved_regs_in_sigtramp): New function.
* config/pa/tm-hppa64.h: Remove macros that are no longer
necessary now that the gdbarch vector is properly setup.
Transform some macros into function calls. Some minor cleanup.
* config/pa/tm-hppah.h: Update function calls in macros
following the function renaming in hppa-hpux-tdep.c.
* Makefile.in (hppa_tdep_h): New variable.
(hppa-tdep.o): Add dependency over hppa_tdep_h.
* Makefile.in (dsrec.o): Update dependencies.
* dsrec.c: Include "gdb_assert.h".
(make_srec): Use snprintf instead of sprintf, use a literal format
string.
instead of frame_read_register.
(i386_fetch_pointer_argument): Use get_frame_register_unsigned
instead of frame_read_register. Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386_frame_prev_register): Use frame_unwind_register_unsigned
instead of frame_unwind_unsigned_register. Use
I386_EFLAGS_REGISTER instead of PS_REGNUM.
(i386_get_longjmp_target): Use regcache_read_unsigned_register
instead of read_register. Use builtin_type_void_data_ptr instead
of builtin_type_void_func_ptr when extracting the address of the
jmp_buf.
(i386_extract_return_value, i386_store_return_value,
i386_pseudo_register_read, i386_pseudo_register_write): Use
register_size instead REGISTER_RAW_SIZE.
(i387_print_float_info): Use get_frame_register and
get_frame_register_unsigned instead of frame_register_read.
(child_resume): Make `eflags' an ULONGEST. Use
regcache_cooked_read_unsigned and regcache_cooked_write_unsigned
instead of register_read and register_write.
Fix GDB PR cli/926.
* cli/cli-decode.c (add_setshow_uinteger_cmd): New function.
* command.h (add_setshow_uinteger_cmd): Declare.
* frame.c (set_backtrace_cmd): New function.
(show_backtrace_cmd): New function.
* frame.c (_initialize_frame): Replace "set/show
backtrace-below-main" with "set/show backtrace past-main". Add
command "set/show backtrace limit".
(backtrace_past_main): Rename "backtrace_below_main".
(backtrace_limit): New variable.
(get_prev_frame): Update. Check the backtrace_limit.
2003-08-09 Andrew Cagney <cagney@redhat.com>
* gdb.texinfo (Backtrace): Replace "set/show backtrace-below-main"
with "set/show backtrace past-main" and "set/show backtrace
limit".
Index: doc/gdb.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/doc/gdb.texinfo,v
retrieving revision 1.174
diff -u -r1.174 gdb.texinfo
--- doc/gdb.texinfo 8 Aug 2003 01:58:00 -0000 1.174
+++ doc/gdb.texinfo 9 Aug 2003 14:57:10 -0000
@@ -3922,27 +3922,40 @@
value, indicating that your program has stopped at the beginning of the
code for line @code{993} of @code{builtin.c}.
-@kindex set backtrace-below-main
-@kindex show backtrace-below-main
+@kindex set backtrace past-main
+@kindex show backtrace past-main
+@kindex set backtrace limit
+@kindex show backtrace limit
-Most programs have a standard entry point---a place where system libraries
-and startup code transition into user code. For C this is @code{main}.
-When @value{GDBN} finds the entry function in a backtrace it will terminate
-the backtrace, to avoid tracing into highly system-specific (and generally
-uninteresting) code. If you need to examine the startup code, then you can
-change this behavior.
+Most programs have a standard user entry point---a place where system
+libraries and startup code transition into user code. For C this is
+@code{main}. When @value{GDBN} finds the entry function in a backtrace
+it will terminate the backtrace, to avoid tracing into highly
+system-specific (and generally uninteresting) code.
+
+If you need to examine the startup code, or limit the number of levels
+in a backtrace, you can change this behavior:
@table @code
-@item set backtrace-below-main off
+@item set backtrace past-main
+@itemx set backtrace past-main on
+Backtraces will continue past the user entry point.
+
+@item set backtrace past-main off
Backtraces will stop when they encounter the user entry point. This is the
default.
-@item set backtrace-below-main
-@itemx set backtrace-below-main on
-Backtraces will continue past the user entry point to the top of the stack.
+@item show backtrace past-main
+Display the current user entry point backtrace policy.
+
+@item set backtrace limit @var{n}
+@itemx set backtrace limit 0
+@cindex backtrace limit
+Limit the backtrace to @var{n} levels. A value of zero means
+unlimited.
-@item show backtrace-below-main
-Display the current backtrace policy.
+@item show backtrace limit
+Display the current limit on backtrace levels.
@end table
@node Selection
* interps.c (interp_set): Check for a NULL "old_interp".
Index: mi/ChangeLog
2003-08-08 Andrew Cagney <cagney@redhat.com>
* mi-main.c (captured_mi_execute_command): Add "mi2" and "mi3" to
interpreters that hack around CLI.
* mi-interp.c (mi3_command_loop): New function.
(mi_interpreter_resume): Check for "mi3", default to "mi2".
2003-08-08 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (FLAGS_TO_PASS): Add DESTDIR.
(install-only): Support DESTDIR.
(uninstall): Likewise.
(install-gdbtk): Likewise.
gdb/doc/
2003-08-08 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (install-info): Support DESTDIR.
(install-html): Likewise.
gdb/gdbserver/
2003-08-08 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (install-only): Create dest dir. Support DESTDIR.
(uninstall): Support DESTDIR.
mmalloc/
2003-08-08 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (install-info): Create dest dir. Support DESTDIR.
(install): Likewise.
* inferior.h (AT_SYMBOL): Define.
* blockframe.c (inside_entry_file): Check for AT_SYMBOL.
* infcall.c (call_function_by_hand): Add code to handle AT_SYMBOL.
* mips-tdep.c (mips_call_dummy_address): Delete function.
(mips_gdbarch_init): Set call_dummy_location to AT_SYMBOL, do not
set call_dummy_address.
* NEWS: Mention that m32r is multi-arch.
From 2003-07-28 Kei Sakamoto <sakamoto.kei@renesas.com>:
* configure.tgt: Recognize m32r-*-*.
* config/m32r/tm-m32r.h: Delete file.
* config/m32r/m32r.mt: New file.
* m32r-rom.c (m32r_upload_command): Use hostent only when
gethostname succeeds, in order to avoid a compilation
warning.
* m32r-tdep.c (m32r_store_return_value): Add a cast to remove a
compiler warning.
* user-regs.c (struct user_reg): Add "next" link.
(struct user_regs): Replace "user" with "first" and "last" links.
(append_user_reg): Add pre-allocated "reg" parameter.
(builtin_user_regs): Provide initial value for "last".
(user_reg_add_builtin): XMALLOC memory for append_user_reg.
(user_regs_init): Allocate memory from the gdbarch obstack.
(user_reg_add): GDBARCH_OBSTACK_ZALLOC memory for append_user_reg.
(user_reg_map_name_to_regnum): Rewrite to search the user_reg
linked list.
(usernum_to_user_reg): New function.
(user_reg_map_regnum_to_name): Use usernum_to_user_reg.
(value_of_user_reg): Use usernum_to_user_reg.
(user_regs_free): Delete function.
(_initialize_user_regs): Update register_gdbarch_data call.
* structs.h (value_being_returned): Add a struct_addr argument.
* infcall.c (call_function_by_hand): Pass struct_addr to
value_being_returned.
* infcmd.c (print_return_value): Pass zero as struct_addr.
* values.c (value_being_returned): If struct_addr is passed,
use it instead of trying to recover it from the inferior.
the prologue analyzer won't need to attempt to extract the pc
value from the woefully incomplete dummy frame.
(mn10300_analyze_prologue): Avoid calls to get_frame_pc() when
possible. Disable code which modifies the frame.
* regcache.c (struct regcache_descr): Update comments on
nr_raw_registers.
(init_legacy_regcache_descr): Don't set nr_raw_registers or
sizeof_raw_register_valid_p.
(init_regcache_descr): Set nr_raw_registers and
sizeof_raw_register_valid_p before calling
init_legacy_regcache_descr.
frame unwind information.
(m68hc11_scan_prologue): New function from m68hc11_guess_from_prologue
and adapted for frame unwinding.
(m68hc11_skip_prologue): Update to scan prologue in temporary object.
(m68hc11_unwind_pc): New function.
(m68hc11_frame_unwind_cache): New function to analyze frames.
(m68hc11_frame_this_id): New function to create new frame struct.
(m68hc11_frame_prev_register): New function to unwind a register from
the frame.
(m68hc11_frame_unwind): Default 68hc11/68hc12 unwinder.
(m68hc11_frame_p): New function for the above.
(m68hc11_frame_base_address): New function to return fp of frame.
(m68hc11_frame_args_address): Update for frame.
(m68hc11_frame_base): Default 68hc11/68hc12 frame.
(m68hc11_unwind_sp): New function.
(m68hc11_unwind_dummy_id): New function.
(m68hc11_gdbarch_init): Install the above frames; remove deprecated
calls.
* config/pa/tm-hppa.h (init_frame_pc_default): Declare.
* infcall.c (legacy_push_dummy_code) [GDB_TARGET_IS_HPPA]: Update
REAL_PC and not the pointer.
* hppa-hpux-tdep.c: Include frame.h
Patch from 2003-07-22 Kei Sakamoto <sakamoto.kei@renesas.com>:
* m32r-tdep.c (m32r_memory_insert_breakpoint): Fix code style -
operator at start and not end of line.
(decode_prologue): Ditto.
(m32r_frame_unwind_cache, m32r_unwind_sp, m32r_unwind_pc): Use
frame_unwind_register_unsigned instead of
frame_unwind_unsigned_register.
(m32r_read_pc): Use regcache_cooked_read_unsigned instead of
read_register.
(m32r_push_dummy_call): Use register_size instead of
REGISTER_RAW_SIZE.
(m32r_frame_sniffer): Replace m32r_frame_p.
(m32r_gdbarch_init): Call frame_unwind_append_sniffer.
* m32r-rom.c (report_transfer_performance): Delete extern
declaration.
(m32r_load, m32r_upload_command): Use print_transfer_performance
instead of report_transfer_performance.
(_initialize_m32r_rom): Use add_setshow_cmd instead of add_set_cmd
/ add_show_from_set.
* m68hc11-tdep.c (_initialize_m68hc11_tdep): Deprecate "regs" command.
(m68hc11_print_register): New function to print out one register.
(m68hc11_print_registers_info): New function to print registers.
(show_regs): Deprecate and use the above.
(m68hc11_gdbarch_init): Install the print_registers_info.
* h8300-tdep.c (h8300_extract_return_value): Teach it how to
handle 8-bit returns (long long).
(h8300h_extract_return_value): Ditto.
(h8300_gdbarch_init): Long long is 8 bytes, char is unsigned.
* gdbarch.c Include "gdb_obstack.h".
(struct gdbarch): Add an "obstack".
(alloc_gdbarch_data): Allocate the gdbarch data using
GDBARCH_OBSTACK_CALLOC.
(free_gdbarch_data): Delete function.
(gdbarch_obstack_zalloc): New function.
(gdbarch_free): Free the obstack, do not call free_gdbarch_data.
Assert that the architecture is not initialized.
(gdbarch_alloc): Allocate an obstack, allocate the architecture
vector from the obstack.
(alloc_gdbarch_data, init_gdbarch_swap): Allocate memory using the
architecture obstack.
(GDBARCH_OBSTACK_CALLOC, GDBARCH_OBSTACK_ZALLOC): Define.
(set_gdbarch_data): Assert that the data is not initialized.
(struct gdbarch_data): Delete member "free".
(register_gdbarch_data): Do not initialize "free".
* gdbarch.h, gdbarch.c: Re-generate.
* findvar.c (read_var_value): Remove case for thread local storage
variables. It is now entirely handled by the dwarf2 location
expression code.
* printcmd.c (address_info): Ditto.
* symtab.h (address_class): Remove LOC_THREAD_LOCAL_STATIC
enumeration value.
(struct symbol): Remove objfile field, which was used by
LOC_THREAD_LOCAL_STATIC only.
* dwarf2read.c (decode_locdesc): Remove is_thread_local variable.
* dwarf2loc.h (struct dwarf2_loclist_baton): Add comment about
usage of objfile pointer.
* dwarf2loc.c (locexpr_describe_location): Add case to handle
thread local variables.
Add include of objfiles.h.
* dwarf2expr.c (execute_stack_op): Add comments about thread local
storage variables.
* Makefile.in (dwarf2loc.o): Update dependencies.
regcache_cooked_read_unsigned instead of read_register.
(m68hc11_saved_pc_after_call): Likewise.
(m68hc11_pseudo_register_write): Use regcache_cooked_write_unsigned
instead of write_register.
(m68hc11_register_type): New function.
(m68hc11_register_virtual_type): Remove.
(m68hc11_store_return_value): Convert to use the regcache.
(m68hc11_extract_struct_value_address): Likewise.
(m68hc11_gdbarch_init): Remove deprecated ops for register to use
m68hc11_register_type; undeprecate store_return_value and
extract_struct_value_address.
* gdbarch.sh (DWARF2_BUILD_FRAME_INFO): Delete method.
* gdbarch.h, gdbarch.c: Re-generate.
* i386-tdep.c (i386_gdbarch_init): Do not set
DWARF2_BUILD_FRAME_INFO.
* elfread.c (elf_symfile_read): Call dwarf2_build_frame_info
unconditionally.
* alpha-tdep.c (alpha_dwarf2_init_abi): Do not set
DWARF2_BUILD_FRAME_INFO.
* Makefile.in (x86-64-linux-nat.o): Update dependencies.
* x86-64-linux-nat.c (ps_get_thread_area): New function. Add
include of asm/prctl.h, asm/ptrace.h, and gdb_proc_service.h.
(avr_frame_unwind_cache): Don't unwind FP for main.
Update a comment.
Save the computed prev_sp.
(avr_saved_regs_unwinder): Remove function.
(avr_frame_prev_register): Use PC unwind logic from
avr_saved_regs_unwinder, otherwise use trad_frame_prev_register.
should go thru sh_dsp_register_sim_regno, else the dsp regs
will not get the right values.
* sh-tdep.c (sh_sh4_register_convert_to_virtual): Substitute call to
deprecated_store_floating by call to store_typed_floating.
(sh_sh4_register_convert_to_raw): Substitute call to
deprecated_extract_floating by call to extract_typed_floating.
* sh-tdep.c (sh_gdbarch_init): Set double to 4 byte on sh2e and sh3e.
* sh-tdep.c: Substitute calls to REGISTER_RAW_SIZE by calls to
register_size and calls to REGISTER_VIRTUAL_TYPE by calls to
gdbarch_register_type in 32 bit code throughout. Avoid current_gdbarch
as possible.
(do_pseudo_register): Remove.
(sh_push_dummy_code): New function.
(sh64_store_struct_return): Rename from sh_store_struct_return.
Only called for sh64 now.
(sh_extract_struct_value_address): Regcache'ify.
(sh_push_dummy_call): Rename from sh_push_arguments. Regcache'ify
and accomodate new tasks.
(sh64_push_return_address): Rename from sh_push_return_address.
Only called for sh64 now.
(sh_default_extract_return_value): Rename from sh_extract_return_value.
Regcache'ify.
(sh3e_sh4_extract_return_value): Regcache'ify.
(sh_default_store_return_value): Ditto.
(sh3e_sh4_store_return_value): Ditto.
(sh_default_register_byte): Remove.
(sh_sh4_register_byte): Remove.
(sh_default_register_raw_size): Remove.
(sh_sh4_register_raw_size): Remove.
(sh_register_virtual_size): Remove.
(sh_sh3e_register_virtual_type): Remove.
(sh_sh3e_register_type): New function.
(sh_sh4_register_virtual_type): Remove.
(sh_sh4_register_type): New function.
(sh_default_register_virtual_type): Remove.
(sh_default_register_type): New function.
(do_fv_register_info): Add parameters to accomodate call from
sh_print_registers_info.
(do_dr_register_info): Ditto.
(sh_print_pseudo_register): Rename from sh_do_pseudo_register.
Add parameters to accomodate call from sh_print_registers_info.
(sh_do_fp_register): Ditto.
(sh64_do_pseudo_register): Call do_dr_register_info,
do_fv_register_info and sh_do_fp_register with default parameters.
(sh_do_register): Add parameters to accomodate call from
sh_print_registers_info.
(sh_print_register): Ditto.
(sh_print_registers_info): Rename from sh_do_registers_info.
Add parameters to be used as gdbarch_print_registers_info
implementation. Accomodate removed do_pseudo_register function
pointer.
(sh_compact_do_registers_info): Accomodate removed do_pseudo_register
function pointer. Call sh_print_register with default parameters.
(sh64_do_registers_info): Call sh_print_registers_info instead of
sh_do_registers_info.
(sh_gdbarch_init): Rearrange to cleanup and to allow easier
detection of deprecated vs. non-deprecated functionality.
Rename sh_call_dummy_words to sh64_call_dummy_words. Remove
function pointer assignments by direct function calls.
* frame.c (get_prev_frame): Move disabled inside_entry_func to
before code inhibiting repeated unwind attempts. Add to
commentary on that test's problems.
* blockframe.c (inside_main_func): Look for "main" in the minimal
symbol table.
* d10v-tdep.c (d10v_frame_this_id): Delete check that frames are
identical.
Index: testsuite/ChangeLog
2003-07-15 Andrew Cagney <cagney@redhat.com>
* gdb.asm/asm-source.exp: Do not allow "start" in the backtrace.
* complaints.c (struct explanation): Define.
(struct complaints): Change type of "explanation" to "struct
explanation".
(symfile_explanations): Convert to a "struct explanation" table.
(vcomplaint): Update.
* configure.tgt: Add x86_64-*-freebsd*.
* Makefile.in (amd64fbsd-nat.o, amd64fbsd-tdep.o): New targets.
* amd64fbsd-nat.c: New file.
* amd64fbsd-tdep.c: New file.
* config/i386/nm-fbsd64.h: New file.
* config/i386/fbsd64.mh: New file.
* config/i386/fbsd64.mt: New file.
`sc_regs_offset' and `sc_fpregs_offset'.
* alpha-tdep.c (SIGFRAME_PC_OFF, SIGFRAME_REGSAVE_OFF,
SIGFRAME_FPREGSAVE_OFF): Remove defines.
(alpha_sigtramp_register_address): Rewrite to use new members of
`struct gdbarch_tdep'.
(alpha_gdbarch_init): Initialize new members of struct
gdbarch_tdep'.
* alphafbsd-tdep.c (alphafbsd_use_struct_convention): Use
ALPHA_REGISTER_SIZE instead of DEPRECATED_REGISTER_SIZE.
(alphafbsd_sigtramp_start, alphafbsd_sigtramp_end): Nre variables.
(alphafbsd_pc_in_sigtramp): Implement.
(alphafbsd_sigtramp_offset): New function.
(alphafbsd_sigcontext_addr): New function.
(alphafbsd_init_abi): Initialize signal trampoline related members
of `struct gdbarch_tdep'.
(_initialize_alphafbsd_tdep): Add prototype.
