Update m68k port for unwinder changes.
* m68k-tdep.c (m68k_frame_cache): Expect this_frame.
(m68k_frame_this_id, m68k_frame_prev_register): Update signature.
(m68k_frame_unwind): Use default_frame_sniffer.
(m68k_frame_sniffer): Remove.
(m68k_frame_base_address): Expect this_frame.
(m68k_dummy_id): Renamed from m68k_unwind_dummy_id.  Expect
this_frame.
(m68k_gdbarch_init): Use set_gdbarch_dummy_id,
dwarf2_append_unwinders, and frame_unwind_append_unwinder.
* m68klinux-tdep.c (m68k_linux_pc_in_sigtramp): Expect frame_info
parameter instead of pc value.
(m68k_linux_get_sigtramp_info, m68k_linux_sigtramp_frame_cache):
Expect this_frame.
(m68k_linux_sigtramp_frame_this_id)
(m68k_linux_sigtramp_frame_prev_register)
(m68k_linux_sigtramp_frame_sniffer): Update signature.
(m68k_linux_sigtramp_frame_unwind): Use
m68k_linux_sigtramp_frame_sniffer.
(m68k_linux_init_abi): Use frame_unwind_append_unwinder.

* m68klinux-nat.c (store_register): Fix typo.

* configure.ac: If targ_extra_obj is set, link it in.
* configure.tgt: Initialize all variables.
(x86_64*): Set targ_extra_obj and targ_extra_size.
* configure: Rebuild.

* object.cc (Sized_relobj::include_section_group): Adjust section
indexes read from group data.  Build vector to pass to
layout_group.
* layout.cc (Layout::layout_group): Add flags and shndxes
parameters.  Remove contents parameter.  Change caller.  Update
explicit instantiations.
* layout.h (class Layout): Update layout_group declaration.
* output.cc (Output_data_group::Output_data_group): Add flags and
input_shndxes parameters.  Remove contents parameter.  Change
caller.
(Output_data_group::do_write): Change input_sections_ to
input_shndxes_.
* output.h (class Output_data_group): Update constructor
declaration.  Rename input_sections_ to input_shndxes_.
* testsuite/many_sections_test.cc: Add template.

* infcmd.c (step_1): Put thread id on the stack to avoid possible
NULL dereferencing.

* symfile.c (reread_symbols): Update objfile's entry point.

Minor typing error fixes in ChangeLog.

* ada-lang.c: Update throughout to use symbol_matches_domain
instead of matching the symbol domain explictly.
* dwarf2read.c (add_partial_symbol): Do not add new psym for
STRUCT_DOMAIN. Make sure you recognize c++ struct and java and ada
class as typedefs. See lookup_partial_symbol function.
(new_symbol): Similar to add_partial_symbol, do not create
symbol for the typedef. See lookup_block_symbol.
* symtab.c (symbol_matches_domain): New function, takes care
of dual meaning of STRUCT_DOMAIN symbol for c++, ada and java.
(lookup_partial_symbol): Use symbol_matches_domain to see if the
found psym domain matches the given domain.
(lookup_block_symbol): Likewise.

Added 3 miscellaneous testcases like read32.ms uread16.ms hw-trap.ms.

These files removed.

Add the change for testcases comment update and new testcases addition.

Update testcase comment.
   addb.cgs addd.cgs addi.cgs andb.cgs andd.cgs andw.cgs
   ashub.cgs ashub_i.cgs ashud.cgs ashud_i.cgs ashuw.cgs
   ashuw_i.cgs cmpi.cgs cmpw.cgs jlt.cgs jump.cgs loadd.cgs
   loadw.cgs lshb.cgs lshb_i.cgs lshd.cgs lshd_i.cgs lshw.cgs
   lshw_i.cgs movb.cgs movd.cgs movw.cgs movxb.cgs movxw.cgs
   movzb.cgs movzw.cgs mulb.cgs muluw.cgs mulw.cgs orb.cgs
   ord.cgs orw.cgs pop1.cgs pop2.cgs pop3.cgs popret1.cgs
   popret2.cgs popret3.cgs push1.cgs push2.cgs push3.cgs

Added BIT operation testcases:
  cbitb.cgs cbitw.cgs sbitb.cgs sbitw.cgs tbitb.cgs tbit.cgs and tbitw.cgs

    * top.c (command_line_handler_continuation): Remove.
        (execute_command): Do not install the above.

Comment change

Updated the sim engine's ecode logic and commit the code changes

Update for code standards

Cleaned up unwanted code and fixed BIT operations simulation.

Update simops struct members and PSR bits.

Fix typo.

 Update the machine code decode algorithm using hash table.

* inf-loop.c (inferior_event_handler): Call bpstat_do_action,
and catch all exceptions from it.
* top.c (command_line_handler_continuation): Don't
call bpstat_do_action here.

PR 6473
* ld-elf/lma.s, ld-elf/lma.lnk: New test.
* ld-elf/binutils.exp: Run it.

*** empty log message ***

daily update

* dwarf2read.c (struct dwarf2_cu): Add type_hash.
(struct die_info): Remove type.
(read_type_die, read_typedef, read_base_type, read_subrange_type)
(read_structure_type, read_enumeration_type, read_array_type)
(read_tag_pointer_type, read_tag_ptr_to_member_type)
(read_tag_reference_type, read_tag_const_type, read_tag_volatile_type)
(read_tag_string_type, read_subroutine_type, read_set_type)
(read_unspecified_type): Delete prototypes.  Remove check for
already-loaded type.  Return the new type.
(set_die_type): Return the new type.
(reset_die_and_siblings_types): Delete.
(load_comp_unit, load_full_comp_unit): Set type_hash.
(process_queue): Remove call to reset_die_and_siblings_types.
(process_die): Do not read most types here.  Use read_type_die
for others.
(read_func_scope, dwarf2_add_member_fn): Use read_type_die.
(quirk_gcc_member_function_pointer): Return the new type.
(process_structure_scope, process_enumeration_scope): Use
get_die_type and read the DIE's type.
(read_full_die): Do not initialize die->type.
(tag_type_to_type): Use read_type_die.
(read_type_die): Check for already defined types.  Return the
type.
(determine_prefix): Use get_die_type.
(set_die_type): Return the type.
(get_die_type): Take a CU argument.  Check for no type_hash.

* dwarf2read.c (dwarf2_ranges_read, read_partial_die): Initialize
locals.

* gdb.base/longjmp.c, gdb.base/longjmp.exp: New files.

gdb/
* breakpoint.c (update_breakpoints_after_exec): Delete bp_longjmp
and bp_longjmp_resume breakpoints.
(breakpoint_address_is_meaningful): Claim bp_longjmp_resume as
meaningful.
(create_longjmp_breakpoint): Don't create bp_longjmp_resume
breakpoints.  Create bp_longjmp breakpoints as momentary
breakpoints.
(enable_longjmp_breakpoint): Delete.
(set_longjmp_breakpoint): New.
(disable_longjmp_breakpoint): Delete.
(delete_longjmp_breakpoint): New.
(set_longjmp_resume_breakpoint): Delete.
(set_momentary_breakpoint_at_pc): New.
(breakpoint_re_set_one): Don't delete bp_longjmp and
bp_longjmp_resume breakpoints.
(breakpoint_re_set): Don't create longjmp and longjmp-resume
breakpoints.

* infrun.c (step_resume_breakpoint): Add comment.
(struct execution_control_state): Delete handling_longjmp member.
(init_execution_control_state). Don't clear handling_longjmp.
(context_switch): Don't context switch handling_longjmp.
(handle_inferior_event): If handling a bp_longjmp breakpoint,
create a bp_longjmp_resume breakpoint, and set it as current
step_resume_breakpoint, then step over the longjmp breakpoint.  If
handling a bp_longjmp_resume breakpoint, don't delete the longjmp
breakpoint, delete the longjmp-resume breakpoint, and stop
stepping.
(currently_stepping): Remove handling_longjmp from expression.
(insert_step_resume_breakpoint_at_sal): Update comment.
(insert_longjmp_resume_breakpoint): New.

* breakpoint.h (set_momentary_breakpoint_at_pc): Declare.
(enable_longjmp_breakpoint, disable_longjmp_breakpoint): Delete
declarations.
(set_longjmp_breakpoint, delete_longjmp_breakpoint): Declare.
(set_longjmp_resume_breakpoint): Delete declaration.

* gdbthread.h (save_infrun_state): Remove handling_longjmp
parameter.
(load_infrun_state): Delete *handling_longjmp parameter.
* thread.c (save_infrun_state): Remove handling_longjmp parameter.
Update body.
(load_infrun_state): Delete *handling_longjmp parameter.  Update
body.

* infcmd.c (disable_longjmp_breakpoint_cleanup): Delete.
(delete_longjmp_breakpoint_cleanup): New.
(step_1): Call set_longjmp_breakpoint instead of
enable_longjmp_breakpoint.  Use delete_longjmp_breakpoint_cleanup
instead of disable_longjmp_breakpoint_cleanup when making cleanup.
(step_1_continuation): Pass thread id in the continuation args to
step_once.
(step_once): Add thread parameter.  Pass thread id the the
continuation.

gdb/testsuite/
* gdb.cp/annota2.exp: Adjust to breakpoints invalidations at
different times.

gdb/
* Makefile.in: Update dependencies.
* dwarf2read.c: Include "addrmap.h"
(struct dwarf2_cu): New fields RANGES_OFFSET and HAS_RANGES_OFFSET.
(dwarf2_ranges_read): New prototype.
(dwarf2_build_psymtabs_hard): Initialize and prepare PSYMTABS_ADDRMAP.
Add discontiguous range to PSYMTABS_ADDRMAP by DWARF2_RANGES_READ on
HAS_RANGES_OFFSET, otherwise add there the contiguous range.
(dwarf2_ranges_read): New parameter RANGES_PST, update the function
comment for it.  Add the found ranges to RANGES_PST.  New variable
BASEADDR, initialize it the common way.
(dwarf2_get_pc_bounds): Update the caller for the new parameter.
(read_partial_die): `DW_AT_ranges' now only sets RANGES_OFFSET and
HAS_RANGES_OFFSET for the later processing.
* objfiles.h (struct objfile): New field PSYMTABS_ADDRMAP.
* symtab.c: Include "addrmap.h"
(find_pc_sect_psymtab): Support reading the field PSYMTABS_ADDRMAP.
Move the psymtab locator into ...
(find_pc_sect_psymtab_closer): ... a new function.

gdb/testsuite/
* gdb.dwarf2/dw2-ranges.S: Merge the secondary section with `.fini'.
* gdb.dwarf2/dw2-ranges.exp: Compile also `dw2-ranges2.S' and
`dw2-ranges3.S' and test also their MAIN2, FUNC2 and MAIN3 symbols.
* gdb.dwarf2/dw2-ranges2.S, gdb.dwarf2/dw2-ranges3.S: New files.

Set CU BASE_ADDRESS already from partial DIEs.
* dwarf2read.c (read_partial_die): New variables BASE_ADDRESS and
BASE_ADDRESS_TYPE.  Set these variables from DW_AT_LOW_PC and
DW_AT_ENTRY_PC.  Set CU->HEADER.BASE_KNOWN and CU->HEADER.BASE_ADDRESS
from these variables if it was still unset.

* arch-utils.c (gdbarch_update_p): Use default values for
info.abfd and info.target_desc if they are NULL.
(gdbarch_from_bfd): Remove assertion.
(set_gdbarch_from_file): Call gdbarch_find_by_info directly,
using the current target description.
(gdbarch_info_fill): Do not use default values for info->abfd
and info->target_desc.

* symfile.c (reread_symbols): Reload EXEC_BFD on its change.

* inferior.h (read_pc_pid, write_pc_pid): Remove.
* regcache.h (regcache_read_pc, regcache_write_pc): Add prototypes.

* regcache.c (read_pc_pid): Remove, replace by ...
(regcache_read_pc): ... this function.
(write_pc_pid): Remove, replace by ...
(regcache_write_pc): ... this function.
(read_pc, write_pc): Update.

* infrun.c (displaced_step_prepare): Replace read_pc_pid and
write_pc_pid by regcache_read_pc and regcache_write_pc.
(displaced_step_fixup): Likewise.
(resume): Likewise.  Use regcache arch instead of current_gdbarch.
(prepare_to_proceed): Likewise.
(proceed): Likewise.
(adjust_pc_after_break): Likewise.
(handle_inferior_event): Likewise.

* linux-nat.c (cancel_breakpoint): Likewise.
* linux-thread-db.c (check_event): Likewise.
* aix-thread.c (aix_thread_wait): Likewise.
* tracepoint.c (trace_dump_command): Likewise.

* dwarf2loc.c (dwarf_expr_frame_base): Error out on missing
SYMBOL_LOCATION_BATON.

* lib/mi-support.exp (mi_run_cmd): Allow for =thread-created
notification to appear.

Fix formatting

* gdb.texinfo (GDB/MI Output Records): Add
missing semicolon.

    Fix auxv data parsing on 64-bit solaris
* target.h (struct target_ops): New field to_auxv_parse.
* auxv.c (default_auxv_parse): New, renamed from previous
target_auxv_parse.
(target_auxv_parse): Try to call target method.  Fallback to
default_auxv_parse if not found.
* procfs.c (procfs_auxv_parse): New.
(init_procfs_ops): On Solaris, in 64-bit mode, install
procfs_auxv_parse.

* gdb.base/fullname.c: New file.
* gdb.base/fullname.exp: New file.
* lib/gdb.exp (gdb_breakpoint): Support no-message option.

* symfile.c (add_symbol_file_command):  Use paddress rather than
hex_string to print the address.

* rs6000-tdep.c (rs6000_frame_this_id): If info->base is 0,
return the null frame ID to terminate the backtrace.

daily update

*** empty log message ***

* rs6000-tdep.c: Do not include "rs6000-tdep.h".
(rs6000_find_toc_address_hook): Move to rs6000-aix-tdep.c.
(SIG_FRAME_PC_OFFSET): Likewise.
(SIG_FRAME_LR_OFFSET): Likewise.
(SIG_FRAME_FP_OFFSET): Likewise.
(rs6000_push_dummy_call): Likewise.
(rs6000_return_value): Likewise.
(rs6000_convert_from_func_ptr_addr): Likewise.
(branch_dest, rs6000_software_single_step): Likewise.
(deal_with_atomic_sequence): Rename to ...
(ppc_deal_with_atomic_sequence): ... this.  Adapt all callers.
Do not call branch_dest; inline required parts of that function.
(rs6000_skip_trampoline_code): Replace DEPRECATED_SYMBOL_NAME
with SYMBOL_LINKAGE_NAME.
(struct reg, regsize): Delete.
(read_memory_addr): Delete; inline into callers.
(rs6000_skip_prologue): Move after skip_prologue.
(skip_prologue): Remove prototype.
(rs6000_gdbarch_init): Remove sysv_abi variable; perform all
initialization as if this variable were true.  Do not install
ppc64_sysv_abi_adjust_breakpoint_address.

* rs6000-aix-tdep.c: Include "gdb_assert.h", "gdbtypes.h",
"gdbcore.h", "target.h", "value.h", "infcall.h", "objfiles.h",
and "breakpoint.h".
(rs6000_find_toc_address_hook): Move here from rs6000-tdep.c.
(SIG_FRAME_PC_OFFSET): Likewise.
(SIG_FRAME_LR_OFFSET): Likewise.
(SIG_FRAME_FP_OFFSET): Likewise.
(rs6000_push_dummy_call): Likewise.
(rs6000_return_value): Likewise.
(rs6000_convert_from_func_ptr_addr): Likewise.
(branch_dest, rs6000_software_single_step): Likewise.  Replace
tdep->text_segment_base by AIX_TEXT_SEGMENT_BASE.
(rs6000_aix_init_osabi): Install rs6000_push_dummy_call,
rs6000_return_value, and rs6000_convert_from_func_ptr_addr.
Call set_gdbarch_long_double_bit and set_gdbarch_frame_red_zone_size.
Set tdep->lr_frame_offset.  Do not set tdep->text_segment_base.

* rs6000-tdep.h (rs6000_software_single_step): Remove prototype.
(AIX_TEXT_SEGMENT_BASE): New macro.
* rs6000-nat.c (exec_one_dummy_insn): Replace tdep->text_segment_base
by AIX_TEXT_SEGMENT_BASE.

* ppc-tdep.h (ppc_deal_with_atomic_sequence): Add prototype.
(struct gdbarch_tdep): Remove text_segment_base member.
* ppc-linux-tdep.c (ppc_linux_init_abi): On 64-bit, install
ppc64_sysv_abi_adjust_breakpoint_address.

* Makefile.in (rs6000-tdep.o): Update dependencies.
(rs6000-aix-tdep.o): Likewise.

2008-05-03  Luis Machado  <luisgpm@br.ibm.com>
    Thiago Jung Bauermann  <bauerman@br.ibm.com>

* cli/cli-decode.c (lookup_cmd_1): Fix indentation.
* doublest.c (convert_typed_floating): Fix typo in comment.
* dwarf2-frame.c (dwarf2_frame_cache): Likewise.
* frame-unwind.h (frame_sniffer_ftype): Likewise.
* frame.c (frame_unwind_address_in_block): Likewise.
* ppc-sysv-tdep.c (ppc64_sysv_abi_push_dummy_call): Likewise.
* symtab.h (struct symbol): Likewise.
* tramp-frame.h (struct trad_frame_cache): Likewise.
* value.c (allocate_repeat_value): Likewise.

* infrun.c (handle_inferior_event): Do not insert breakpoints at
TARGET_WAITKIND_LOADED events during startup (i.e. in the shell).

gdb/
* parse.c (parse_exp_in_context): Don't override
expression_context_pc if get_selected_block returned a valid
block.

gdb/testsuite/
* gdb.base/macscp.exp, gdb.base/macscp1.c: Add test for printing
expressions with macros.

* alpha-tdep.h (ALPHA_REGISTER_BYTES): Delete.
* arm-tdep.h (STATUS_REGISTER_SIZE): Delete.
* breakpoint.c (args_for_catchpoint_enable, current_exception_event):
Delete.
* c-typeprint.c (c_type_print_base): Delete handling of template
instantiations.
* cp-support.h (METHOD_PTR_IS_VIRTUAL, METHOD_PTR_FROM_VOFFSET)
(METHOD_PTR_TO_VOFFSET): Delete.
* defs.h (QUIT_FIXME): Delete.
* f-lang.h (DEFAULT_DOTMAIN_NAME_IN_MF77, DEFAULT_MAIN_NAME_IN_MF77)
(DEFAULT_DOTMAIN_NAME_IN_XLF_BUGGY, DEFAULT_DOTMAIN_NAME_IN_XLF): Delete.
* gdbtypes.h (struct cplus_struct_type): Delete is_inlined,
ninstantiations, and instantiations.
(TYPE_INSTANTIATIONS, TYPE_NINSTANTIATIONS, TYPE_INSTANTIATION)
(TYPE_FN_FIELD_INLINED): Delete.
* srec.h (SREC_BINARY): Delete.
* symtab.c (symbol_init_demangled_name): Delete.
* symtab.h (SYMBOL_INIT_DEMANGLED_NAME, symbol_init_demangled_name)
(SYMBOL_OBJFILE, struct exception_event_record, CURRENT_EXCEPTION_KIND)
(CURRENT_EXCEPTION_CATCH_SAL, CURRENT_EXCEPTION_CATCH_LINE)
(CURRENT_EXCEPTION_CATCH_FILE, CURRENT_EXCEPTION_CATCH_PC)
(CURRENT_EXCEPTION_THROW_SAL, CURRENT_EXCEPTION_THROW_LINE)
(CURRENT_EXCEPTION_THROW_FILE, CURRENT_EXCEPTION_THROW_PC): Delete.
* target.h (enum thread_control_capabilities): Delete tc_switch.
(target_can_switch_threads): Delete.

* gdb.base/dfp-test.exp: Fix random FAIL risk on calling functions.

* Makefile.in (objfiles.o): Update.
* exec.c (exec_set_section_address): Support p->addr != 0.
* objfiles.c (objfile_relocate): Update exec_ops section
addresses.
* symfile.c (place_section): Move exec_set_section_address call...
(default_symfile_offsets): ...to here.

ChangeLog:

* Makefile.in (ppc_linux_tdep_h): New macro.
(powerpc_32l_c, powerpc_altivec32_c, powerpc_altivec32l_c): Likewise.
(powerpc_64l_c, powerpc_altivec64_c, powerpc_altivec64l_c): Likewise.
(powerpc_e500l_c): Likewise.
(ppc-linux-nat.o): Update dependencies.
(ppc-linux-tdep.o): Update dependencies.
(rs6000-tdep.o): Update dependencies.

* ppc-tdep.h (ppc_linux_memory_remove_breakpoint): Remove.
(ppc_linux_svr4_fetch_link_map_offsets): Remove.
(ppc_linux_gregset, ppc_linux_fpregset): Move to ppc-linux-tdep.h
(ppc_supply_reg, ppc_collect_reg): Add prototypes.
(tdesc_powerpc_e500): Remove.

* rs6000.c: Include "features/rs6000/powerpc-altivec32.c"
and "features/rs6000/powerpc-altivec64.c".
(ppc_supply_reg, ppc_collect_reg): Make global.
(variants): Use tdesc_powerpc_32 for "powerpc" and
tdesc_powerpc_altivec64 for "powerpc64".
(_initialize_rs6000_tdep): Initialize AltiVec descriptions.

* ppc-linux-tdep.h: New file.

* ppc-linux-tdep.c: Include "ppc-linux-tdep.c".
Include "features/rs6000/powerpc-32l.c".
Include "features/rs6000/powerpc-altivec32l.c".
Include "features/rs6000/powerpc-64l.c".
Include "features/rs6000/powerpc-altivec64l.c".
Include "features/rs6000/powerpc-e500l.c".
(ppc_linux_supply_gregset): New function.
(ppc_linux_collect_gregset): Handle orig_r3 and trap registers.
(ppc32_linux_gregset): Use ppc_linux_supply_gregset.
(ppc64_linux_gregset): Likewise.
(ppc_linux_sigtramp_cache): Handle orig_r3 and trap registers.
(ppc_linux_trap_reg_p): New function.
(ppc_linux_write_pc): New function.
(ppc_linux_core_read_description): New function.
(ppc_linux_init_abi): Install ppc_linux_write_pc and
ppc_linux_core_read_description.  Install orig_r3 and trap
registers if present in the target description.
(_initialize_ppc_linux_tdep): Initialize Linux target descriptions.

* ppc-linux-nat.c: Include "ppc-linux-tdep.h".
(PT_ORIG_R3, PT_TRAP): Define if necessary.
(ppc_register_u_addr): Handle orig_r3 and trap registers.
(fetch_ppc_registers): Likewise.
(store_ppc_registers): Likewise.
(store_register): Likewise.
(ppc_linux_read_description): Check whether AltiVec is supported.
Check whether inferior is 32-bit or 64-bit.  Return the appropriate
Linux target description.

* features/Makefile (WHICH): Use rs6000/powerpc-32l and
rs6000/powerpc-altivec32l instead of rs6000/powerpc-32.
Use rs6000/powerpc-64l and rs6000/powerpc-altivec64l instead
of rs6000/powerpc-64.  Use rs6000/powerpc-e500l instead of
rs6000/powerpc-e500.  Update -expedite variables accordingly.

* features/rs6000/power-spe.xml: Use regnum 73 for "acc".
* features/rs6000/powerpc-32.xml: Do not include power-altivec.xml.
* features/rs6000/powerpc-64.xml: Do not include power-altivec.xml.
* features/rs6000/powerpc-e500.c: Regenerate.
* features/rs6000/powerpc-32.c: Regenerate.
* features/rs6000/powerpc-64.c: Regenerate.

* features/rs6000/power-linux.xml: New file.
* features/rs6000/power64-linux.xml: New file.
* features/rs6000/powerpc-32l.xml: New file.
* features/rs6000/powerpc-altivec32l.xml: New file.
* features/rs6000/powerpc-64l.xml: New file.
* features/rs6000/powerpc-altivec64l.xml: New file.
* features/rs6000/powerpc-e500l.xml: New file.
* features/rs6000/powerpc-32l.c: New (generated) file.
* features/rs6000/powerpc-altivec32l.c: New (generated) file.
* features/rs6000/powerpc-64l.c: New (generated) file.
* features/rs6000/powerpc-altivec64l.c: New (generated) file.
* features/rs6000/powerpc-e500l.xml: New (generated) file.

* regformats/reg-ppc.dat: Remove.
* regformats/reg-ppc64.dat: Remove.
* regformats/rs6000/powerpc-32.dat: Remove.
* regformats/rs6000/powerpc-64.dat: Remove.
* regformats/rs6000/powerpc-e500.dat: Remove.
* regformats/rs6000/powerpc-32l.dat: New (generated) file.
* regformats/rs6000/powerpc-altivec32l.dat: New (generated) file.
* regformats/rs6000/powerpc-64l.dat: New (generated) file.
* regformats/rs6000/powerpc-altivec64l.dat: New (generated) file.
* regformats/rs6000/powerpc-e500l.dat: New (generated) file.

gdbserver/ChangeLog:

* configure.srv (powerpc*-*-linux*): Set srv_regobj to
powerpc-32l.o, powerpc-altivec32l.o, powerpc-e500l.o,
powerpc-64l.o, and powerpc-altivec64l.o.
Remove rs6000/powerpc-32.xml, rs6000/powerpc-64.xml, and
rs6000/powerpc-e500.xml; add rs6000/powerpc-32l.xml,
rs6000/powerpc-altivec32l.xml, rs6000/powerpc-e500l.xml,
rs6000/powerpc-64l.xml, rs6000/powerpc-altivec64l.xml,
rs6000/power-linux.xml, and rs6000/power64-linux.xml
to srv_xmlfiles.

* Makefile.in (reg-ppc.o, reg-ppc.c): Remove, replace by ...
(powerpc-32l.o, powerpc-32l.c): ... these new rules.
(powerpc-32.o, powerpc-32.c): Remove, replace by ...
(powerpc-altivec32l.o, powerpc-altivec32l.c): ... these new rules.
(powerpc-e500.o, powerpc-e500.c): Remove, replace by ...
(powerpc-e500l.o, powerpc-e500l.c): ... these new rules.
(reg-ppc64.o, reg-ppc64.c): Remove, replace by ...
(powerpc-64l.o, powerpc-64l.c): ... these new rules.
(powerpc-64.o, powerpc-64.c): Remove, replace by ...
(powerpc-altivec64l.o, powerpc-altivec64l.c): ... these new rules.
(clean): Update.

* linux-ppc-low.c (init_registers_ppc): Remove, replace by ...
(init_registers_powerpc_32l): ... this new prototype.
(init_registers_powerpc_32): Remove, replace by ...
(init_registers_powerpc_altivec32l): ... this new prototype.
(init_registers_powerpc_e500): Remove, replace by ...
(init_registers_powerpc_e500l): ... this new prototype.
(init_registers_ppc64): Remove, replace by ...
(init_registers_powerpc_64l): ... this new prototype.
(init_registers_powerpc_64): Remove, replace by ...
(init_registers_powerpc_altivec64l): ... this new prototype.
(ppc_num_regs): Set to 73.
(PT_ORIG_R3, PT_TRAP): Define if necessary.
(ppc_regmap, ppc_regmap_e500): Add values for orig_r3 and trap.
(ppc_cannot_store_register): Handle orig_r3 and trap.
(ppc_arch_setup): Update init_registers_... calls.
(ppc_fill_gregset): Handle orig_r3 and trap.

* inferiors.c (clear_inferiors): Reset current_inferior.

* gdb.texinfo (GDB/MI Output Records):
Document =thread-create and =thread-exited.

* elf32-arm.c (elf32_arm_symbian_link_hash_table_create): Use
ARRAY_SIZE.
(elf32_arm_symbian_plt_sym_val): New.
(elf_backend_plt_sym_val): Define.

* gdb.texinfo (GDB/MI Development and Front Ends):
Document *thread-created and *thread-exited.

2008-05-03  Pedro Alves  <pedro@codesourcery.com>

* thread.c (delete_thread): Call observer_notify_thread_exit.
        * mi/mi-interp.c (mi_interpreter_init): Register mi_thread_exit as
        thread_exit observer.
        (mi_thread_exit): New.

2008-05-03  Mike Frysinger  <vapier@gentoo.org>

* ld-scripts/defined.s: Use .set syntax rather than =.

* breakpoint.c (create_exception_catchpoint): Remove prototype
for already deleted function.
* breakpoint.h (ep_is_exception_catchpoint): Likewise.
* frame.h (show_stack_frame): Remove prototype.
* stack.c (show_stack_frame): Remove empty, unused function.
* source.c (symtab_to_fullname, print_source_lines): Small fix
in comment.
* value.c (show_values): Update comments to mention "show values"
command instead of "info history".

PR 2995, PR 6473
* elf.c (rewrite_elf_program_header): Rather than clearing
p_paddr_valid at end, don't set it in the first place.  Delete
comment no longer relevant.  When not p_paddr_valid, don't set
paddr from vaddr, and don't set p_vaddr_offset.

* linespec.c: Include "target.h".
(minsym_found): Handle minimal symbols pointing to function
descriptors.  Use find_function_start_pc.
* minsyms.c (msymbol_objfile): New function.
* parse.c (write_exp_msymbol): Handle minimal symbols pointing
to function descriptors.
* symtab.c (fixup_section): Only use minimal symbol at the same
address to determine section of a symbol.
(find_function_start_pc): New function.
(find_function_start_sal): Use it.
* symtab.h (msymbol_objfile): Add prototype.
(find_function_start_pc): Likewise.
* value.c: Include "objfiles.h".
(value_fn_field): Handle minimal symbols pointing to function
descriptors.
* Makefile.in (linespec.o): Update dependencies.
(value.o): Likewise.

*** empty log message ***

daily update

    * ada-lang.c (unwrap_value): Handle the case where the "F" field
        inside a PAD type is a bitfield.

* ppc-sysv-tdep.c (ppc64_sysv_abi_push_dummy_call): Handle
TYPE_CODE_BOOL and TYPE_CODE_CHAR the same as TYPE_CODE_INT.
Handle TYPE_CODE_REF the same as TYPE_CODE_PTR.
Handle TYPE_CODE_METHOD the same as TYPE_CODE_FUNC.
Allow typedefs when checking for function pointer arguments.
Right-align small structs passed on the stack.
(ppc64_sysv_abi_return_value): Handle TYPE_CODE_BOOL and
TYPE_CODE_CHAR the same as TYPE_CODE_INT.
Handle TYPE_CODE_REF the same as TYPE_CODE_PTR.

* Makefile.in (arm-tdep.o): Update.
* arm-tdep.c (arm_objfile_data_key, struct arm_mapping_symbol)
(struct arm_per_objfile, arm_compare_mapping_symbols): New.
(arm_pc_is_thumb): Use mapping symbols.
(arm_objfile_data_cleanup, arm_record_special_symbol): New.
(arm_gdbarch_init): Call set_gdbarch_record_special_symbol.
(_initialize_arm_tdep): Initialize arm_objfile_data_key.
* elfread.c (elf_symtab_read): Use gdbarch_record_special_symbol.
* gdbarch.sh: Add record_special_symbol.
* gdbarch.c, gdbarch.h: Regenerated.
* objfiles.c (struct objfile_data): Add cleanup member.
(register_objfile_data_with_cleanup): New function, from
register_objfile_data.
(register_objfile_data): Use it.
(objfile_free_data): Call clear_objfile_data.
(clear_objfile_data): Call cleanup functions.
* objfiles.h (register_objfile_data_with_cleanup): Declare.

* objfiles.c (init_entry_point_info): Handle shared libraries.

* gdb.base/completion.exp: Handle lack of other symbols beginning
with "a".

* gdb.base/varargs.exp: Correct quoting for options to gdb_compile.

* arm-tdep.c (arm_prologue_this_id): Compare pc, not func, to
lowest_pc.

gas/

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

* NEWS: Mention XSAVE, EPT and MOVBE.

* config/tc-i386.c (cpu_arch): Add .movbe and .ept.
(md_show_usage): Add .movbe and .ept.

* doc/c-i386.texi: Add movbe and ept to -march=.  Document
.movbe and .ept.

gas/testsuite/

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

* gas/i386/i386.exp: Run movbe, movbe-intel, inval-movbe, ept,
ept-intel, inval-ept, x86-64-movbe, x86-64-movbe-intel,
x86-64-inval-movbe.  x86-64-ept, x86-64-ept-intel and
x86-64-inval-ept.

* gas/i386/arch-10.s: Add movbe and invept.
* gas/i386/x86-64-arch-2.s: Likewise.

* gas/i386/ept.d: New file
* gas/i386/ept-intel.d: Likewise.
* gas/i386/ept.s: Likewise.
* gas/i386/inval-ept.l: Likewise.
* gas/i386/inval-ept.s: Likewise.
* gas/i386/inval-movbe.l: Likewise.
* gas/i386/inval-movbe.s: Likewise.
* gas/i386/movbe.d: Likewise.
* gas/i386/movbe-intel.d: Likewise.
* gas/i386/movbe.s: Likewise.
* gas/i386/x86-64-inval-ept.l: Likewise.
* gas/i386/x86-64-inval-ept.s: Likewise.
* gas/i386/x86-64-inval-movbe.l: Likewise.
* gas/i386/x86-64-inval-movbe.s: Likewise.
* gas/i386/x86-64-ept.d: Likewise.
* gas/i386/x86-64-ept-intel.d: Likewise.
* gas/i386/x86-64-ept.s: Likewise.
* gas/i386/x86-64-movbe.d: Likewise.
* gas/i386/x86-64-movbe-intel.d: Likewise.
* gas/i386/x86-64-movbe.s: Likewise.

* gas/i386/arch-10.d: Updated.
* gas/i386/arch-10-1.l: Likewise.
* gas/i386/arch-10-2.l: Likewise.
* gas/i386/arch-10-3.l: Likewise.
* gas/i386/arch-10-4.l: Likewise.
* gas/i386/x86-64-arch-2.d: Likewise.

opcodes/

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

* i386-dis.c (MOVBE_Fixup): New.
(Mo): Likewise.
(PREFIX_0F3880): Likewise.
(PREFIX_0F3881): Likewise.
(PREFIX_0F38F0): Updated.
(prefix_table): Add PREFIX_0F3880 and PREFIX_0F3881.  Update
PREFIX_0F38F0 and PREFIX_0F38F1 for movbe.
(three_byte_table): Use PREFIX_0F3880 and PREFIX_0F3881.

* i386-gen.c (cpu_flag_init): Add CPU_MOVBE_FLAGS and
CPU_EPT_FLAGS.
(cpu_flags): Add CpuMovbe and CpuEPT.

* i386-opc.h (CpuMovbe): New.
(CpuEPT): Likewise.
(CpuLM): Updated.
(i386_cpu_flags): Add cpumovbe and cpuept.

* i386-opc.tbl: Add entries for movbe and EPT instructions.
* i386-init.h: Regenerated.
* i386-tbl.h: Likewise.

Implement displaced stepping.

gdb/
* gdbarch.sh (max_insn_length): New 'variable'.
(displaced_step_copy, displaced_step_fixup)
(displaced_step_free_closure, displaced_step_location): New
functions.
(struct displaced_step_closure): Add forward declaration.
* gdbarch.c, gdbarch.h: Regenerated.

* arch-utils.c: #include "objfiles.h".
(simple_displaced_step_copy_insn)
(simple_displaced_step_free_closure)
(displaced_step_at_entry_point): New functions.
* arch-utils.h (simple_displaced_step_copy_insn)
(simple_displaced_step_free_closure)
(displaced_step_at_entry_point): New prototypes.

* i386-tdep.c (I386_MAX_INSN_LEN): Rename to...
(I386_MAX_MATCHED_INSN_LEN): ... this.
(i386_absolute_jmp_p, i386_absolute_call_p)
(i386_ret_p, i386_call_p, i386_breakpoint_p, i386_syscall_p)
(i386_displaced_step_fixup): New functions.
(struct i386_insn, i386_match_insn): Update.
(i386_gdbarch_init): Set gdbarch_max_insn_length.
* i386-tdep.h (I386_MAX_INSN_LEN): New.
(i386_displaced_step_fixup): New prototype.
* i386-linux-tdep.c (i386_linux_init_abi): Include "arch-utils.h".
Register gdbarch_displaced_step_copy,
gdbarch_displaced_step_fixup, gdbarch_displaced_step_free_closure,
and gdbarch_displaced_step_location functions.

* infrun.c (debug_displaced): New variable.
(show_debug_displaced): New function.
(struct displaced_step_request): New struct.
(displaced_step_request_queue, displaced_step_ptid)
(displaced_step_gdbarch, displaced_step_closure)
(displaced_step_original, displaced_step_copy)
(displaced_step_saved_copy, can_use_displaced_stepping): New
variables.
(show_can_use_displaced_stepping, use_displaced_stepping)
(displaced_step_clear, cleanup_displaced_step_closure)
(displaced_step_dump_bytes, displaced_step_prepare)
(displaced_step_clear_cleanup, write_memory_ptid)
(displaced_step_fixup): New functions.
(resume): Call displaced_step_prepare.
(proceed): Call read_pc once, and remember the value.  If using
displaced stepping, don't remove breakpoints.
(handle_inferior_event): Call displaced_step_fixup.  Add some
debugging output.  When we try to step over a breakpoint, but get
a signal to deliver to the thread instead, ensure the step-resume
breakpoint is actually inserted.  If a thread hop is needed, and
displaced stepping is enabled, don't remove breakpoints.
(init_wait_for_inferior): Call displaced_step_clear.
(_initialize_infrun): Add "set debug displaced" command.  Add
"maint set can-use-displaced-stepping" command.  Clear
displaced_step_ptid.
* inferior.h (debug_displaced): Declare variable.
(displaced_step_dump_bytes): Declare function.

* Makefile.in (arch-utils.o, i386-linux-tdep.o): Update
dependencies.

gdb/testsuite/
* gdb.asm/asmsrc1.s: Add scratch space.

gdb/doc/
* gdb.texinfo (Debugging Output): Document "set/show debug
displaced".
(Maintenance Commands): Document "maint set/show
can-use-displaced-stepping".

* arm-tdep.c (arm_mode_strings, arm_fallback_mode_string)
(arm_force_mode_string, arm_show_fallback_mode)
(arm_show_force_mode): New.
(arm_pc_is_thumb): Honor fallback-mode and force-mode.  Use
arm_frame_is_thumb.
(_initialize_arm_tdep): Add "set arm fallback-mode"
and "set arm force-mode".
* NEWS: Document new commands.

* gdb.texinfo (ARM): Document set/show arm fallback-mode
and set/show arm force-mode.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

PR ld/6475
* ld-scripts/rgn-over8-ok.d: Accept any alignment.

2008-05-02  Andrew Stubbs  <andrew.stubbs@st.com>

* main.h (batch_silent): Declare.
* event-top.c: Include main.h.
(gdb_setup_readline): Remove extern batch_silent declaration.
* infrun.c (normal_stop): Don't print source location when running in
--batch-silent mode.
* Makefile.in (event-top.o): Add main.h dependency.

* target.h (struct target_ops): Add
to_watchpoint_addr_within_range.
(target_watchpoint_addr_within_range): New function.
* target.c (update_current_target): Inherit
to_watchpoint_addr_within_range, defaulting to
default_watchpoint_addr_within_range.
(default_watchpoint_addr_within_range): New function.
(debug_to_watchpoint_addr_within_range): New function.
(setup_target_debug): Set to_watchpoint_addr_within_range.
* ppc-linux-nat.c (ppc_linux_watchpoint_addr_within_range):
New function.
(_initialize_ppc_linux_nat): Set to_watchpoint_addr_within_range.
* breakpoint.c (watchpoints_triggered): Use
target_watchpoint_addr_within_range.

* gdbint.texinfo (Algorithms): Describe
target_watchpoint_addr_within_range.

daily update

*** empty log message ***

* configure.tgt: Add i[34567]86-*-dicos* and x86_64-*-dicos*.
(i[34567]86-*-dicos*, x86_64-*-dicos*):
Set gdb_osabi to GDB_OSABI_DICOS.

* defs.h (enum gdb_osabi): Add GDB_OSABI_DICOS.
* osabi.c (gdb_osabi_name): Add "DICOS".

* i386-dicos-tdep.c: New file.

* Makefile.in (ALL_TARGET_OBS): Add i386-dicos-tdep.o.
(ALLDEPFILES): Add i386-dicos-tdep.c.
(i386-dicos-tdep.o): New rule.

* linux-nat.c (linux_nat_switch_fork): Reinit GDB's thread list
and register the fork's PTID as a thread.

PR gdb/1665
* breakpoint.c (create_breakpoint): Add breakpoint_ops argument and
assign its value to the breakpoint created.
(create_breakpoints): Add breakpoint_ops argument and pass it
to create_breakpoint call.
(break_command_really): Add breakpoint_ops argument and pass/assign
appropriately.
(break_command_1): Pass NULL as ops argument.
(set_breakpoint): Pass NULL as ops argument.
(print_one_exception_catchpoint): Print <PENDING> if no loc available.
(handle_gnu_v3_exceptions): Call generic breakpoint code to insert
catch and throw catchpoints.

PR gdb/2343
* corelow.c (core_open): Use gdbarch_target_signal_from_host to
translate signal numeric value from the target to GDB's enum
target_signal.
* gdbarch.c, gdbarch.h: Regenerated.
* gdbarch.sh: Added two new functions target_signal_from_host and
target_signal_to_host.
* target.h (default_target_signal_from_host,
default_target_signal_to_host): New functions - declarations.
* signals/signals.c (struct gdbarch): New declaration.
(default_target_signal_to_host, default_target_signal_from_host): New
functions.

2008-05-01  Daniel Jacobowitz  <dan@codesourcery.com>
    Pedro Alves  <pedro@codesourcery.com>

Based on work by Jan Kratochvil <jan.kratochvil@redhat.com> and Jeff
  Johnston <jjohnstn@redhat.com>.

* NEWS: Mention attach to stopped process fix.
* infcmd.c (detach_command, disconnect_command): Discard the thread
list.
* infrun.c (handle_inferior_event): Do not ignore non-SIGSTOP while
attaching.  Use signal_stop_state.
(signal_stop_state): Check stop_soon.
* linux-nat.c (kill_lwp): Declare earlier.
(pid_is_stopped, linux_nat_post_attach_wait): New.
(lin_lwp_attach_lwp): Use linux_nat_post_attach_wait.  Update
comments.
(linux_nat_attach): Use linux_nat_post_attach_wait.
(detach_callback, linux_nat_detach): Improve handling for signalled
processes.
(linux_nat_pid_to_str): Always print out the LWP ID if it differs
from the process ID.
* Makefile.in (infcmd.o): Update.

2008-05-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
    Daniel Jacobowitz  <dan@codesourcery.com>

* gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp,
gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp,
gdb.threads/attachstop-mt.c, gdb.threads/attachstop-mt.exp: New.

Add lost bit of previous commit.

* arm-linux-tdep.h (ARM_CPSR_REGNUM): Delete definition.
* arm-tdep.c (arm_frame_is_thumb): New.
(arm_pc_is_thumb): Clarify comment.
(thumb_analyze_prologue): Remove PC special case.
(thumb_scan_prologue): Take a block_addr argument.  Use it for
find_pc_partial_function.  Remove unused variables.
(arm_scan_prologue): Use arm_frame_is_thumb.  Use the block address
for find_pc_partial_function.  Remove PC special case.
(arm_prologue_prev_register): Add special handling for PC and CPSR.
(arm_dwarf2_prev_register, arm_dwarf2_frame_init_reg): New.
(arm_get_next_pc): Use arm_frame_is_thumb.
(arm_write_pc): Use CPSR_T instead of 0x20.
(arm_gdbarch_init): Call dwarf2_frame_set_init_reg.
* arm-tdep.h (enum gdb_regnum): Add ARM_CPSR_REGNUM.
(CPSR_T): Define.
* dwarf2-frame.c (dwarf2_frame_prev_register): Handle
DWARF2_FRAME_REG_FN.
* dwarf2-frame.h (enum dwarf2_frame_reg_rule): Add
DWARF2_FRAME_REG_FN.
(struct dwarf2_frame_state_reg): Add FN to loc union.

* gdb.arch/thumb-prologue.exp: Do not expect a saved PC.

    * gdb.base/info-target.exp: New testcase.

    * exec.c (print_section_info): Add missing '\n'.

* elf.c (bfd_elf_get_str_section): Fix memory leak caused by
corrupt string table.

    * cache.c (cache_bread_1): Renames cache_bread.
        (cache_bread): New function.

* readelf.c (print_symbol): Add code to display non-printing characters.

* thread.c (add_thread): Move observer call to ...
        (add_thread_silent): ... here.

PR 2995, PR 6473
* elf.c (_bfd_elf_make_section_from_shdr): Always set lma from p_paddr.
(assign_file_positions_for_load_sections): Combine nested "if".
(copy_elf_program_header): Don't set p_paddr_valid or p_vaddr_offset
when all header p_paddr fields are zero.

* target-reloc.h (relocate_section): Fix dead-pointer bug.

* layout.cc (Layout::include_section): Refactored check for debug
info section.
(Layout::add_comdat): Add new parameters.  Change type
of signature parameter.  Add object and shndx to signatures table.
(Layout::find_kept_object): New function.
* layout.h: Include <cstring>.
(Layout::is_debug_info_section): New function.
(Layout::add_comdat): Add new parameters.
(Layout::find_kept_object): New function.
(Layout::Kept_section): New struct.
(Layout::Signatures): Change type of map range.
* object.cc (Relobj::output_section_address): New function.
(Sized_relobj::include_section_group): Add new parameters.  Change
calls to Layout::add_comdat.  Change to build table of kept comdat
groups and table mapping discarded sections to kept sections.
(Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
(Sized_relobj::do_layout): Change calls to include_section_group and
include_linkonce_section.
(Sized_relobj::do_finalize_local_symbols): Do not set local symbol
value to zero when section is discarded.
(Sized_relobj::map_to_kept_section): New function.
* object.h (Relobj::output_section_address): New function.
(Relobj::Comdat_group): New type.
(Relobj::find_comdat_group): New function.
(Relobj::Comdat_group_table): New type.
(Relobj::Kept_comdat_section): New type.
(Relobj::Kept_comdat_section_table): New type.
(Relobj::add_comdat_group): New function.
(Relobj::set_kept_comdat_section): New function.
(Relobj::get_kept_comdat_section): New function.
(Relobj::comdat_groups_): New field.
(Relobj::kept_comdat_sections_): New field.
(Symbol_value::input_value): Update comment.
(Sized_relobj::map_to_kept_section) New function.
(Sized_relobj::include_linkonce_section): Add new parameter.
* target-reloc.h (Comdat_behavior): New type.
(get_comdat_behavior): New function.
(relocate_section): Add code to map a discarded section to the
corresponding kept section when applying a relocation.

* rs6000-tdep.c: Update for unwinder changes.
* ppcobsd-tdep.c: Likewise.

* dwarf_reader.cc (next_generation_count): New static var.
(Addr2line_cache_entry): New struct.
(addr2line_cache): New static var.
(Dwarf_line_info::one_addr2line): Added caching.
(Dwarf_line_info::clear_addr2line_cache): New function.
* dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
cache-size parameter.
(Dwarf_line_info::one_addr2line_cache): New function.
* symtab.cc (Symbol_table::detect_odr_violations): Pass
new cache-size argument to one_addr2line(), and clear cache.

* s390-tdep.c: Update for unwinder changes.

* spu-tdep.c: Update for unwinder changes.

*** empty log message ***

daily update

* hppanbsd-tdep.c, m68kbsd-tdep.c, mn10300-linux-tdep.c,
ppc-linux-tdep.c, ppcnbsd-tdep.c, sparc-linux-tdep.c,
sparc64-linux-tdep.c: Update for unwinder changes.

* mipsnbsd-tdep.c, mips64obsd-tdep.c, mips-linux-tdep.c: Update
for unwinder changes.
* mips-tdep.c: Likewise.
(mips_stub_frame_cache): Unwind the ABI stack pointer, not the
raw one.

* arm-linux-tdep.c, arm-tdep.c, armobsd-tdep.c: Update for
unwinder changes.

Update i386 and amd64 ports for unwinder changes.

* amd64-tdep.c (amd64_frame_cache): Expect this_frame.
(amd64_frame_this_id, amd64_frame_prev_register): Update signature.
(amd64_frame_unwind): Use default_frame_sniffer.
(amd64_frame_sniffer): Delete.
(amd64_sigtramp_frame_cache): Expect this_frame.
(amd64_sigtramp_frame_this_id, amd64_sigtramp_frame_prev_register)
(amd64_sigtramp_frame_sniffer): Update signature.
(amd64_sigtramp_frame_unwind): Add amd64_sigtramp_frame_sniffer.
(amd64_frame_base_address): Expect this_frame.
(amd64_dummy_id): Renamed from amd64_unwind_dummy_id.  Expect
this_frame.
(amd64_init_abi): Use set_gdbarch_dummy_id and
frame_unwind_append_unwinder.
* i386-tdep.c (i386_frame_cache): Expect this_frame.
(i386_frame_this_id, i386_frame_prev_register): Update signature.
(i386_frame_unwind): Use default_frame_sniffer.
(i386_frame_sniffer): Delete.
(i386_sigtramp_frame_cache): Expect this_frame.
(i386_sigtramp_frame_this_id, i386_sigtramp_frame_prev_register)
(i386_sigtramp_frame_sniffer): Update signature.
(i386_sigtramp_frame_unwind): Use i386_sigtramp_frame_sniffer.
(i386_frame_base_address): Update signature.
(i386_dummy_id): Rename from i386_unwind_dummy_id.  Expect this_frame.
(i386_push_dummy_call): Update comment.
(i386_sigtramp_p, i386_svr4_sigtramp_p, i386_svr4_sigcontext_addr):
Expect this_frame.
(i386_gdbarch_init): Use set_gdbarch_dummy_id, dwarf2_append_unwinders,
and frame_unwind_append_unwinder.
* amd64-linux-tdep.c, amd64-sol2-tdep.c, amd64fbsd-tdep.c,
amd64nbsd-tdep.c, amd64obsd-tdep.c, i386-linux-tdep.c,
i386-nto-tdep.c, i386bsd-tdep.c, i386-sol2-tdep.c, i386obsd-tdep.c,
i386nbsd-tdep.c: Update for unwinder changes.