Alan Modra [Tue, 17 Mar 2009 05:33:00 +0000 (05:33 +0000)]
ld/
* configure.host (HOSTING_LIBS): Two dollars on shell variable
expansion to suit make.
ld/testsuite
* config/default.exp (get_link_files): Replace double dollars with
single dollars.
Hui Zhu [Tue, 17 Mar 2009 05:11:40 +0000 (05:11 +0000)]
*stack.c: Include valprint.h.
(disassemble_next_line): New enum.
(show_disassemble_next_line): New function. Show the current
value of disassemble-next-line.
(gdb_disassembly_stub_args): New struct for argument passing
between function do_gdb_disassembly and function
gdb_disassembly_stub.
(gdb_disassembly_stub): New function. Helper for
gdb_disassembly.
(do_gdb_disassembly): New function. Use TRY_CATCH to catch
the exception from the gdb_disassembly because it will be
broken by filter sometime.
(print_frame_info): If disassemble-next-line is set to auto
or on and doesn't have the line debug messages for $pc,
output the next instruction.
If disassemble-next-line is set to on and there is line debug
messages, output assembly codes for next line.
(_initialize_stack): Make the "set disassemble-next-line"
command an auto-boolean command. Change its class to
class_stack. Place it in the top level set list. Extend help
to describe the auto mode.
Joel Brobecker [Mon, 16 Mar 2009 21:12:46 +0000 (21:12 +0000)]
* remote-mips.c (mips_load): Replace call to regcache_set_valid_p,
which is undefined, by call to regcache_invalidate, which should
do what the original author wanted to do.
Joel Brobecker [Sun, 15 Mar 2009 21:05:41 +0000 (21:05 +0000)]
* aix-thread.c (aix_thread_thread_alive, aix_thread_pid_to_str):
Use the ops parameter to get to the target beneath, rather than
using the current_target global. Using the current_target global
was an unintended accident.
Joel Brobecker [Sun, 15 Mar 2009 19:38:42 +0000 (19:38 +0000)]
Modernize the aix-thread later by getting rid of the base_target
global. This brings back to life the AIX port which was otherwise
crashing all the time.
* aix-thread.c (base_target): Delete.
(pd_enable): Do not set base_target.
(aix_thread_attach): Use find_target_beneath instead of base_target.
(aix_thread_detach, aix_thread_resume, aix_thread_wait)
(aix_thread_fetch_registers, aix_thread_store_registers),
(aix_thread_xfer_partial, aix_thread_mourn_inferior)
(aix_thread_thread_alive, aix_thread_pid_to_str): Likewise.
(aix_thread_kill): Delete. Does not seem necessary.
(init_aix_thread_ops): Do not set aix_thread_ops.to_kill.
Ulrich Weigand [Sun, 15 Mar 2009 15:15:29 +0000 (15:15 +0000)]
* elf32-spu.c (spu_elf_check_vma): Do not reset auto_overlay
parameter just because fixed sections fit into local store.
(spu_elf_auto_overlay): Do not declare as "noreturn". Skip
generating overlays if fixed sections plus reserved stack
and heap space fit into local store.
Jan Kratochvil [Sun, 15 Mar 2009 09:19:40 +0000 (09:19 +0000)]
gdb/
* stack.c (return_command <retval_exp>): New variables retval_expr
and old_chain. Inline parse_and_eval to initialize retval_expr. Check
RETVAL_EXPR for UNOP_CAST and set RETURN_TYPE to the RETURN_VALUE type
if RETURN_TYPE is NULL.
gdb/doc/
* gdb.texinfo (Returning): New description for missing debug info.
Jan Kratochvil [Sat, 14 Mar 2009 14:25:55 +0000 (14:25 +0000)]
Fix a racy FAIL.
* gdb.base/multi-forks.exp (continue_to_exit_bp_loc): New function with
code from `follow parent, print pids'.
(`follow child, print pids', `follow parent, print pids'): Call it.
Replace `gdb_test "break..."' by gdb_breakpoint.
include/coff/
* xcoff.h (XCOFF_EXPALL, XCOFF_EXPFULL): New flags.
(xcoff_loader_info): Add auto_export_flags.
bfd/
* bfd-in.h (bfd_xcoff_size_dynamic_sections): Replace the
bfd_boolean export_defineds parameter with an unsigned int
auto_export_flags parameter.
* bfd-in2.h: Regenerate.
* xcofflink.c (xcoff_archive_contains_shared_object_p): New function,
split out from xcoff_build_ldsyms.
(xcoff_covered_by_expall_p): New function.
(xcoff_auto_export_p): New function, split out from xcoff_build_ldsyms
but with extra code to handle -bexpfull and -bexpall.
(xcoff_mark_auto_exports): New function.
(xcoff_build_ldsyms): Use xcoff_auto_export_p to decide whether
a function should be automatically exported.
(bfd_xcoff_size_dynamic_sections): Replace the export_defineds
parameter with an auto_export_flags parameter. Update ldinfo
accordingly. Use xcoff_mark_auto_exports to mark all automatically-
exported symbols.
ld/
* emultempl/aix.em (auto_export_flags): New variable.
(explicit_auto_export_flags): Likewise.
(OPTION_EXPALL, OPTION_EXPFULL): New enum values.
(OPTION_NOEXPALL, OPTION_NOEXPFULL): Likewise.
(gld${EMULATION_NAME}_add_options): Add -bexpall, -bexpfull,
-bnoexpall and -bnoexpfull.
(gld${EMULATION_NAME}_handle_option): Handle them.
(gld${EMULATION_NAME}_before_allocation): Update the call to
bfd_size_dynamic_sections.
ld/testsuite/
* ld-powerpc/aix-export-1-all.dd, ld-powerpc/aix-export-1-full.dd,
ld-powerpc/aix-export-1a.s, ld-powerpc/aix-export-1b.s: New tests.
* ld-powerpc/aix52.exp: Run them.
bfd/
* xcofflink.c (xcoff_mark_symbol_by_name): New function.
(bfd_xcoff_size_dynamic_sections): Use it to mark the entry,
init and fini functions. Do garbage collection for objects
without an entry point too.
ld/testsuite/
* ld-powerpc/aix-gc-1.s, ld-powerpc/aix-gc-1.ex,
ld-powerpc/aix-gc-1-32.dd, ld-powerpc/aix-gc-1-64.dd,
ld-powerpc/aix-weak-1-gcdso.dnd, ld-powerpc/aix-weak-1-gcdso.hd,
ld-powerpc/aix-weak-1-gcdso.nd: New tests.
* ld-powerpc/aix52.exp: Run them.
include/coff/
* internal.h (C_AIX_WEAKEXT): New macro.
(C_WEAKEXT): Use the GNU definition in the generic part of the file,
and conditionally reset it to C_AIX_WEAKEXT in the XCOFF part of
the file.
(CSECT_SYM_P): New macro.
* xcoff.h (L_WEAK): Define.
(EXTERN_SYM_P): New macro.
bfd/
* coffcode.h (coff_pointerize_aux_hook): Update CSECT_SYM_P to
check whether a symbol has csect information.
(coff_print_aux): Likewise.
* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Handle auxillary csect
information for C_AIX_WEAKEXT too.
(_bfd_xcoff_swap_aux_out): Likewise.
(xcoff_reloc_type_br): Handle defweak symbols too.
* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Handle auxillary csect
information for C_AIX_WEAKEXT too.
(_bfd_xcoff64_swap_aux_out): Likewise.
(xcoff64_reloc_type_br): Handle defweak symbols too.
* coffgen.c (coff_print_symbol): Handle auxillary function
information for C_AIX_WEAKEXT too.
* xcofflink.c (_bfd_xcoff_canonicalize_dynamic_symtab): Set BSF_WEAK
instead of BSF_GLOBAL if the L_WEAK flag is set.
(xcoff_dynamic_definition_p): New function.
(xcoff_link_add_dynamic_symbols): Use it to decide whether ldsym
defines h. Don't change h if ldsym isn't the definition. Otherwise,
always take the symbol class from the ldsym. Use weak bfd symbol
types for weak ldsyms.
(xcoff_link_add_symbols): Use CSECT_SYM_P and EXTERN_SYM_P.
Fix the check for whether a definition is from a shared object.
Allow redefinitions of weak symbols.
(xcoff_link_check_ar_symbols): Use EXTERN_SYM_P.
(xcoff_keep_symbol_p): Likewise.
(bfd_xcoff_size_dynamic_sections): Use CSECT_SYM_P.
(xcoff_link_input_bfd): Use CSECT_SYM_P and EXTERN_SYM_P.
Add .loader entries for C_AIX_WEAKEXT as well as C_EXT symbols,
but mark them as L_WEAK.
(xcoff_write_global_symbol): Treat weak symbols as C_AIX_WEAKEXT
instead of C_EXT if C_AIX_WEAKEXT == C_WEAKEXT.
gas/
* config/tc-ppc.c (ppc_frob_symbol): Add csect information for
C_AIX_WEAKEXT too.
include/coff/
* xcoff.h (XCOFF_ALLOCATED): New flag.
bfd/
* xcofflink.c (xcoff_mark): When walking the relocations,
only mark the target symbol or the target section, not both.
(xcoff_final_definition_p): New function.
(xcoff_keep_symbol_p): Use it to check whether an external XCOFF
symbol is a valid definition of the associated output symbol.
Use XCOFF_ALLOCATED to stop the same hash table entry having
two output symbols.
(bfd_xcoff_size_dynamic_sections): Set XCOFF_ALLOCATED when
keeping a symbol.
(xcoff_link_input_bfd): Use xcoff_final_definition_p.
ld/testsuite/
* ld-powerpc/aix-no-dup-syms-1a.s, ld-powerpc/aix-no-dup-syms-1b.s,
ld-powerpc/aix-no-dup-syms-1.ex, ld-powerpc/aix-no-dup-syms-1.im,
ld-powerpc/aix-no-dup-syms-1-dso.dnd,
ld-powerpc/aix-no-dup-syms-1-dso.drd,
ld-powerpc/aix-no-dup-syms-1-dso.nd,
ld-powerpc/aix-no-dup-syms-1-dso.rd,
ld-powerpc/aix-no-dup-syms-1-rel.nd,
ld-powerpc/aix-no-dup-syms-1-rel.rd: New tests.
* ld-powerpc/aix52.exp: Run them.
bfd/
* libcoff-in.h (xcoff_tdata): Add a lineno_counts field.
* libcoff.h: Regenerate.
* xcofflink.c (xcoff_link_add_symbols): Record per-symbol
line-number counts in the bfd's lineno_counts field.
Don't keep per-csect line-number counts.
(xcoff_sweep): Don't update per-csect line-number counts.
(bfd_xcoff_size_dynamic_sections): Count the number of line-number
entries in each output section.
(xcoff_link_input_bfd): Get the number of line numbers from
the bfd's lineno_counts field, rather than recalculating it
from scratch. Fix the range check when updating C_BINCL and
C_EINCL symbols.
(_bfd_xcoff_bfd_final_link): Don't count the output line numbers
here. Don't expect csects to have line-number counts.
ld/testsuite/
* ld-powerpc/aix-lineno-1.s, ld-powerpc/aix-lineno-1.txt,
ld-powerpc/aix-lineno-1a.dd, ld-powerpc/aix-lineno-1a.nd,
ld-powerpc/aix-lineno-1b.dd, ld-powerpc/aix-lineno-1b.nd: New tests.
* ld-powerpc/aix52.exp: Run them. Copy aix-lineno-1.txt to tmpdir.
bfd/
* libcoff-in.h (xcoff_tdata): Change debug_indices to a signed long.
* libcoff.h: Regenerate.
* xcofflink.c (xcoff_keep_symbol_p): New function, using the
"skip" logic from xcoff_link_input_bfd.
(bfd_xcoff_size_dynamic_sections): Explicitly skip dynamic
objects in a dynamic link, rather than checking whether csectpp
is null. Always allocate debug_index for other objects,
and always go through the loop. Update the type of debug_index
after the change above. Read the auxillary csect information
and use xcoff_keep_symbol_p to decide whether a symbol should
be kept. Set its debug_index to -2 if not.
(xcoff_link_input_bfd): Update the type of debug_index after
the change above and always expect it to be nonnull. Use it to
test whether a symbol should be stripped, rather than making the
decision here. Postpone all symbol creation to the second pass.
bfd/
* xcofflink.c: (xcoff_mark_symbol): Mark the TOC section when
creating a descriptor.
(xcoff_sweep): Don't mark toc_section unless it's needed.
(bfd_xcoff_size_dynamic_sections): Skip the toc_section
when marking every bfd.
(xcoff_link_input_bfd): Skip all TOC anchors.
(xcoff_toc_section_p, xcoff_find_tc0): New functions.
(_bfd_xcoff_bfd_final_link): Don't set the output bfd's TOC anchor
to -1; call xcoff_find_tc0 instead.
ld/testsuite/
* ld-powerpc/aix-toc-1.ex, ld-powerpc/aix-toc-1a.s,
ld-powerpc/aix-toc-1b.s, ld-powerpc/aix-toc-1-32.dd,
ld-powerpc/aix-toc-1-64.dd: New tests.
* ld-powerpc/aix52.exp: Run them.
bfd/
* libcoff-in.h (xcoff_section_tdata): Update commentary.
* libcoff.h: Regenerate.
* xcofflink.c (xcoff_link_add_symbols): Set the csect of XTY_ER
symbols to bfd_und_section_ptr or bfd_abs_section_ptr, rather than
the previous symbol's csect. Treat last_symndx as an inclusive value
and simplify its handling.
(xcoff_mark): Treat last_symndx as an inclusive value. Only mark
symbols with the right csect. Don't mark rsec when processing
relocations against undefined or absolute sections.
(bfd_xcoff_size_dynamic_sections): Don't check the SEC_MARK flag
of bfd_und_section_ptr.
(xcoff_link_input_bfd): Likewise.
include/coff/
* xcoff.h (XCOFF_CALLED, XCOFF_IMPORT): Update comments.
(XCOFF_WAS_UNDEFINED): New flag.
(xcoff_link_hash_table): Add an "rtld" field.
bfd/
* coff-rs6000.c (xcoff_ppc_relocate_section): Report relocations
against undefined symbols if the symbol's XCOFF_WAS_UNDEFINED
flag is set. Assert that all undefined symbols are either
imported or defined by a dynamic object.
* coff64-rs6000.c (xcoff64_ppc_relocate_section): Likewise.
* xcofflink.c (xcoff_link_add_symbols): Extend function-symbol
handling to all relocations. Only set XCOFF_CALLED for function
symbols.
(xcoff_find_function): New function, split out from...
(bfd_xcoff_export_symbol) ...here.
(xcoff_set_import_path): New function, split out from...
(bfd_xcoff_import_symbol): ...here. Remove assertion for old
meaning of XCOFF_CALLED.
(xcoff_mark_symbol): If we mark an undefined and unimported
symbol, find some way of defining it. If the symbol is a function
descriptor, fill in its definition automatically. If the symbol
is a function, mark its descriptor and allocate room for global
linkage code. Otherwise mark the symbol as implicitly imported.
Move the code for creating function descriptors from...
(xcoff_build_ldsyms): ...here. Use XCOFF_WAS_UNDEFINED to
check for symbols that were implicitly defined.
(xcoff_mark): Don't count any dynamic relocations against
function symbols.
(bfd_xcoff_size_dynamic_sections): Save the rtld parameter
in the xcoff link info.
(xcoff_link_input_bfd): Remove handling of undefined and
unexported symbols.
ld/
* emultempl/aix.em (gld${EMULATION_NAME}_handle_option): Make
-berok and -bernotok control link_info.unresolved_syms_in_objects
and link_info.unresolved_syms_in_shared_libs instead of
force_make_executable.
ld/testsuite/
* ld-powerpc/aix-glink-1.ex, ld-powerpc/aix-glink-1.s,
ld-powerpc/aix-glink-1-32.dd, ld-powerpc/aix-glink-1-64.dd,
ld-powerpc/aix-glink-1-32.d, ld-powerpc/aix-glink-1-64.d: New tests.
* ld-powerpc/aix52.exp: Run them.
bfd/
* coff-rs6000.c (xcoff_reloc_type_br): Make the branch absolute
if the target is absolute. Fix comment typo.
(xcoff_ppc_relocate_section): Remove FIXME.
* coff64-rs6000.c (xcoff64_reloc_type_br): Make the branch absolute
if the target is absolute.
ld/testsuite/
* ld-powerpc/aix-abs-branch-1.im, ld-powerpc/aix-abs-branch-1.ex,
ld-powerpc/aix-abs-branch-1.s,
ld-powerpc/aix-abs-branch-1.dd: New test.
* ld-powerpc/aix52.exp: Run it.
bfd/
* xcofflink.c (xcoff_mark, xcoff_link_input_bfd): Don't copy
R_POS and R_NEG relocations against absolute symbols to the
.loader section.
ld/testsuite/
* ld-powerpc/aix-abs-reloc-1.ex, ld-powerpc/aix-abs-reloc-1.im,
ld-powerpc/aix-abs-reloc-1.od, ld-powerpc/aix-abs-reloc-1.s: New test.
* ld-powerpc/aix52.exp: Run it.
ld/testsuite/
* lib/ld-lib.exp (ar_simple_create): Add an "aropts" parameter.
(run_ld_link_tests): Treat the second list element as "ar" options
when creating an archive. Don't run the linker in this case.
(run_cc_link_tests): Likewise.
Ian Lance Taylor [Sat, 14 Mar 2009 05:56:46 +0000 (05:56 +0000)]
* readsyms.cc (Read_symbols::incompatible_warning): New function.
(Read_symbols::requeue): New function.
(Read_symbols::do_read_symbols): If make_elf_object fails because
the target type is not configured, and the file was searched for,
issue a warning and retry with the next directory.
(Add_symbols::run): If the file has an incompatible format, and
it was searched for, requeue the Read_symbols task. On error,
release the object.
* readsyms.h (class Read_symbols): Add dirindex_ field. Add
dirindex parameter to constructor. Change all callers. Declare
incompatible_warning and requeue.
(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
input_argument_ and input_group_ fields. Add them to
constructor. Change all callers.
(class Read_script): Add dirindex_ field. Add it to constructor.
Change all callers.
* archive.cc (Archive::setup): Remove input_objects parameter.
Change all callers.
(Archive::get_file_and_offset): Likewise.
(Archive::read_all_symbols): Likewise.
(Archive::read_symbols): Likewise.
(Archive::get_elf_object_for_member): Remove input_objects
parameter. Add punconfigured parameter. Change all callers.
(Archive::add_symbols): Change return type to bool. Check return
value of include_member.
(Archive::include_all_members): Likewise.
(Archive::include_member): Change return type to bool. Return
false if first included object has incompatible target. Set
included_member_ field.
(Add_archive_symbols::run): If add_symbols returns false, requeue
Read_symbols task.
* archive.h (class Archive): Add included_member_ field.
Initialize it in constructor. Add input_file and searched_for
methods. Update declarations.
(class Add_archive_symbols): Add dirpath_, dirindex_, and
input_argument_ fields. Add them to constructor. Change all
callers.
* script.cc: Include "target-select.h".
(class Parser_closure): Add skip_on_incompatible_target_ and
found_incompatible_target_ fields. Add
skip_on_incompatible_target parameter to constructor. Change all
callers. Add methods skip_on_incompatible_target,
clear_skip_on_incompatible_target, found_incompatible_target, and
set_found_incompatible_target.
(read_input_script): Add dirindex parameter. Change all callers.
If parser finds an incompatible target, requeue Read_symbols
task.
(script_set_symbol): Clear skip_on_incompatible_target in
closure.
(script_add_assertion, script_parse_option): Likewise.
(script_start_sections, script_add_phdr): Likewise.
(script_check_output_format): New function.
* script.h (read_input_script): Update declaration.
* script-c.h (script_check_output_format): Declare.
* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
(ignore_cmd): Remove OUTPUT_FORMAT.
* fileread.cc (Input_file::Input_file): Add explicit this.
(Input_file::will_search_for): New function.
(Input_file::open): Add pindex parameter. Change all callers.
* fileread.h (class Input_file): Add input_file_argument method.
Declare will_search_for. Update declarations.
* object.cc (make_elf_object): Add punconfigured parameter.
Change all callers.
* object.h (class Object): Make input_file public. Add
searched_for method.
(make_elf_object): Update declaration.
* dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
restart search.
* dirsearch.h (class Dirsearch): Update declaration.
* options.h (class General_options): Add --warn-search-mismatch.
* parameters.cc (Parameters::is_compatible_target): New function.
* parameters.h (class Parameters): Declare is_compatible_target.
* workqueue.cc (Workqueue::add_blocker): New function.
* workqueue.h (class Workqueue): Declare add_blocker.
* coff/internal.h (struct internal_extra_pe_aouthdr): Correct type
of DllCharacteristics flags field to unsigned.
* coff/pe.h (IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE,
IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE,
IMAGE_DLL_CHARACTERISTICS_NX_COMPAT,
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION,
IMAGE_DLLCHARACTERISTICS_NO_SEH,
IMAGE_DLLCHARACTERISTICS_NO_BIND,
IMAGE_DLLCHARACTERISTICS_WDM_DRIVER,
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE): New macros to
define flag bit values for DllCharacteristics field of PEAOUTHDR,
PEPAOUTHDR.
gdb/
* remote.c (PACKET_qAttached): New.
(remote_query_attached): New.
(remote_add_inferior): Add new `attached' argument. Handle it.
(remote_notice_new_inferior, remote_start_remote): Adjust to pass
-1 to remote_add_inferior in new parameter.
(extended_remote_attach_1): Adjust to pass 1 to
remote_add_inferior in the new parameter.
(extended_remote_create_inferior_1): Adjust to pass 0 to
remote_add_inferior in the new parameter.
(_initialize_remote): Add "set/show remote query-attached-packet"
commands.
PR binutils/9945
* elf.c (assign_section_numbers): Generate symbol table if there
is any relocation in output.
(_bfd_elf_compute_section_file_positions): Likewise.
Nick Clifton [Fri, 13 Mar 2009 11:34:43 +0000 (11:34 +0000)]
PR 9934
* elf-bfd.h (NUM_SHDR_ENTRIES): Cope with an empty section.
* elflink.c (elf_link_read_relocs_from_section): Use
NUM_SHDR_ENTRIES. Gracefully handle the case where there are
relocs but no symbol table.
* elf32-arm.c (elf32_arm_check_relocs): Likewise.
Nick Clifton [Fri, 13 Mar 2009 09:00:59 +0000 (09:00 +0000)]
* lib/ld-lib.exp (run_dump_test): Add verbose to list of globals.
Replace call to verbose_eval with a test of verbose level. If
greater than 2 always dump the contents of the dumpfile. If equal
to 2 only dump the contents if the regexp diff failed.
(proc verbose_eval): Delete.
Joel Brobecker [Fri, 13 Mar 2009 02:30:55 +0000 (02:30 +0000)]
* ada-lang.c (ada_evaluate_subexp): Merge case BINOP_REM and
BINOP_MOD cases with the handling of case BINOP_DIV and BINOP_MUL.
Remove useless op value checks when EVAL_AVOID_SIDE_EFFECTS.
Joel Brobecker [Fri, 13 Mar 2009 02:24:38 +0000 (02:24 +0000)]
* gdb.ada/ptype_arith_binop.exp: Remove some commented-out code
that was checked in by mistake. Remove loading of ada.exp, since
this is not necessary in this case.
Joel Brobecker [Fri, 13 Mar 2009 00:57:52 +0000 (00:57 +0000)]
* ada-lang.c (ada_evaluate_subexp) [OP_VAR_VALUE]: For tagged
types, if we are unable to determine the actual symbol type
from its tag, then use the static approximation instead.
Joel Brobecker [Thu, 12 Mar 2009 23:41:16 +0000 (23:41 +0000)]
Fix crash printing packed record with packed array.
* ada-lang.c (ada_modulus_from_name): New function.
(ada_modulus): In the case where the type length is bigger than
the size of the type used to hold the bounds, try determining
the modulus from the type name.
(ada_value_primitive_packed_val): Fix bug in the computation of
ntarg causing an out-of-buffer invalid access.
Joel Brobecker [Thu, 12 Mar 2009 17:44:29 +0000 (17:44 +0000)]
Fix a build failure on AIX introduced after a change in the profile
of some of the "methods" in the target_ops structure.
* aix-thread.c: Add missing target_ops parameter throughout.
Implement Ada task switching on AIX.
* aix-thread.c (aix_thread_get_ada_task_ptid): New function.
(init_aix_thread_ops): Set aix_thread_ops.to_get_ada_task_ptid.