(annotate_new_thread): New function for new-thread
annotation.

    * win32-nat.c (win32_wait): Block the control-c event while
        waiting for a debug event.

daily update

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* symtab.h (lookup_symbol_in_language): Update comment.
* symtab.c (lookup_symbol_aux_block): Update comment.
* ada-lang.c (ada_lookup_symbol_list): Update comment.

* symtab.h (lookup_symbol_in_language): Remove SYMTAB parameter.
(lookup_symbol): Likewise.
* symtab.c (lookup_symbol_in_language): Remove SYMTAB parameter.
(lookup_symbol): Likewise.
(search_symbols): Update.

* linespec.c (find_methods, collect_methods): Update.
(add_matching_methods, add_constructors): Update.
(decode_compound, decode_dollar, decode_variable): Update.
(lookup_prefix_sym): Update.

(symbol_found): Remove SYM_SYMTAB parameter.
Use SYMBOL_SYMTAB (sym) instead.

* gdbtypes.c (lookup_typename): Update.
(lookup_struct, lookup_union, lookup_enum): Update.
(lookup_template_type): Update.
(check_typedef): Update.
* language.c (lang_bool_type): Update.
* mdebugread.c (parse_procedure): Update.
* mi/mi-cmd-stack.c (list_args_or_locals): Update.
* parse.c (write_dollar_variable): Update.
* printcmd.c (address_info): Update.
* source.c (select_source_symtab): Update.
* stack.c (print_frame_args, print_frame_arg_vars): Update.
* valops.c (find_function_in_inferior): Update.
(value_struct_elt_for_reference): Update.
* value.c (value_static_field, value_fn_field): Update.

* alpha-mdebug-tdep.c (find_proc_desc): Update.
* arm-tdep.c (arm_skip_prologue): Update.
* mt-tdep.c (mt_skip_prologue): Update.
* xstormy16-tdep.c (xstormy16_skip_prologue): Update.

* ada-lang.h (struct ada_symbol_info): Remove SYMTAB member.
* ada-lang.c (ada_add_block_symbols): Remove SYMTAB parameter.
(add_defn_to_vec): Likewise.
(ada_add_block_symbols): Likewise.
(lookup_cached_symbol, cache_symbol): Likewise.
(standard_lookup): Update.
(ada_lookup_symbol_list): Update.

* c-valprint.c (c_val_print): Update.
* cp-support.c (cp_lookup_rtti_type): Update.
* jv-lang.c (java_lookup_class, get_java_object_type): Update.
* objc-lang.c (lookup_struct_typedef, find_imps): Update.
* p-valprint.c (pascal_val_print): Update.
* scm-lang.c (scm_lookup_name): Update.

* c-exp.y: Update.
* f-exp.y: Update.
* jv-exp.y: Update.
* m2-exp.y: Update.
* objc-exp.y: Update.
* p-exp.y: Update.

* language.h (struct language_defn): Remove SYMTAB parameter from
la_lookup_symbol_nonlocal callback function pointer.

* ada-lang.h (ada_lookup_encoded_symbol): Remove SYMTAB parameter.
(ada_lookup_encoded_symbol): Likewise.
* ada-lang.c (ada_lookup_encoded_symbol): Remove SYMTAB parameter.
Always call fixup_symbol_section.
(ada_lookup_symbol): Remove SYMTAB parameter.
(ada_lookup_symbol_nonlocal): Likewise.
* ada-exp.y (write_object_renaming): Update.
(find_primitive_type): Likewise.

* cp-support.h (cp_lookup_symbol_nonlocal): Remove SYMTAB parameter.
(cp_lookup_symbol_namespace): Likewise.
* cp-namespace.c (lookup_namespace_scope): Remove SYMTAB parameter.
(lookup_symbol_file): Likewise.
(lookup_possible_namespace_symbol): Likewise.
(cp_lookup_symbol_nonlocal): Likewise.
(cp_lookup_symbol_namespace): Likewise.
(cp_lookup_nested_type): Update.

* scm-valprint.c (scm_inferior_print): Update.
* valops.c (value_maybe_namespace_elt): Update.

* solist.h (struct target_so_ops): Remove SYMTAB parameter from
lookup_lib_global_symbol callback function pointer.
(solib_global_lookup): Remove SYMTAB parameter.
* solib.c (solib_global_lookup): Remove SYMTAB parameter.
* solib-svr4.c (elf_lookup_lib_symbol): Likewise.

* symtab.h (basic_lookup_symbol_nonlocal): Remove SYMTAB parameter.
(lookup_symbol_static): Likewise.
(lookup_symbol_global): Likewise.
(lookup_symbol_aux_block): Likewise.
(lookup_global_symbol_from_objfile): Likewise.
* symtab.c (lookup_symbol_aux): Remove SYMTAB parameter.
(lookup_symbol_aux_local): Likewise.
(lookup_symbol_aux_block): Likewise.
(lookup_symbol_aux_symtabs): Likewise.
(lookup_symbol_aux_psymtabs): Likewise.
(lookup_global_symbol_from_objfile): Likewise.
(basic_lookup_symbol_nonlocal): Likewise.
(lookup_symbol_static): Likewise.
(lookup_symbol_global): Likewise.

(lookup_symbol_in_language): Do not pass SYMTAB to lookup_symbol_aux.

PR 2995, PR 6473
* elf.c (_bfd_elf_make_section_from_shdr): Leave lma equal to
vma when all p_paddr fields are zero and there is more than
one PT_LOAD header.

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* remote.c (init_extended_remote_ops): Fix typo.

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daily update

* NEWS: Mention new DICOS x86 target configuration.

gdb/

2008-05-15  Pedro Alves  <pedro@codesourcery.com>
    Ulrich Weigand  <uweigand@de.ibm.com>

* minsyms.c (lookup_minimal_symbol_by_pc_name): New function.
* symtab.h (lookup_minimal_symbol_by_pc_name): Add prototype.

* symtab.c (fixup_section): Remove prototype.  Add ADDR parameter;
use it instead of ginfo->value.address.  Look up minimal symbol by
address and name.  Assume OBJFILE is non-NULL.
(fixup_symbol_section): Ensure we always have an objfile to look
into.  Extract and pass to fixup_section the symbol's address that
will match the minimal symbol's address.
(fixup_psymbol_section): Likewise.

(find_pc_sect_psymtab): Fall back to non-addrmap case when debugging
overlays and the addrmap returned the wrong section.

* dwarf2read.c (var_decode_location): Set SYMBOL_CLASS before
calling fixup_symbol_section.

gdb/testsuite/

2008-05-15  Pedro Alves  <pedro@codesourcery.com>

* gdb.base/fixsection.exp: New file.
* gdb.base/fixsection0.c: New file.
* gdb.base/fixsection1.c: New file.

* minsyms.c: Include "target.h".
(find_solib_trampoline_target): Handle minimal symbols pointing
to function descriptors as well.
* Makefile.in (minsyms.o): Update dependencies.

* ppc-linux-tdep.c (ppc64_standard_linkage): Rename to ...
(ppc64_standard_linkage1): ... this.  Fix optional instructions.
(PPC64_STANDARD_LINKAGE_LEN): Rename to ...
(PPC64_STANDARD_LINKAGE1_LEN): ... this.
(ppc64_standard_linkage2, ppc64_standard_linkage3): New.
(PPC64_STANDARD_LINKAGE2_LEN, PPC64_STANDARD_LINKAGE3_LEN): New.
(ppc64_standard_linkage_target): Rename to ...
(ppc64_standard_linkage1_target): ... this.
(ppc64_standard_linkage2_target, ppc64_standard_linkage3_target): New.
(ppc64_skip_trampoline_code): Support three variants of standard
linkage stubs.  Call find_solib_trampoline_target to handle
glink stubs.

* ppc-linux-tdep.c (ppc_linux_init_abi): Do not install
ppc64_sysv_abi_adjust_breakpoint_address.
* ppc-sysv-tdep.c (ppc64_sysv_abi_adjust_breakpoint_address): Remove.
* ppc-tdep.h (ppc64_sysv_abi_adjust_breakpoint_address): Remove.

* ppc-linux-tdep.c (ppc_linux_skip_trampoline_code): Remove.
(ppc_linux_init_abi): Install find_solib_trampoline_target instead
of ppc_linux_skip_trampoline_code.

* gdb.base/annota1.exp: Accept printf@... in place of printf.
* gdb.base/annota3.exp: Likewise.

* src-release (DEVO_SUPPORT): Add ChangeLog, MAINTAINERS,
README-maintainer-mode, lt~obsolete.m4, ltgcc.m4, depcomp,
mkdep, and compile.  Update comments.
(ETC_SUPPORT): Add ChangeLog and update comments.

* gdbarch.sh: Delete dwarf_reg_to_regnum.
* gdbarch.c, gdbarch.h: Regenerated.
* amd64-tdep.c, arm-tdep.c, h8300-tdep.c, hppa-linux-tdep.c,
hppa-tdep.c, i386-tdep.c, m32c-tdep.c, m68k-tdep.c, mips-tdep.c,
s390-tdep.c, xtensa-tdep.c: Do not set dwarf_reg_to_regnum.

* gdbint.texinfo (Target Conditionals): Delete entry for
gdbarch_dwarf_reg_to_regnum.

daily update

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* linux-nat.c (trap_ptid): Delete.
(linux_nat_detach, linux_nat_wait, linux_nat_mourn_inferior):
Adjust.
* linux-thread-db.c (thread_db_wait): Adjust.

    * linespec.c (decode_line_1): Fix a couple of comments.

    bfd/
        * elf32-arm.c (THM2_MAX_FWD_BRANCH_OFFSET): Define.
        (THM2_MAX_BWD_BRANCH_OFFSET): Define.
        (ARM_MAX_FWD_BRANCH_OFFSET): Define.
        (ARM_MAX_BWD_BRANCH_OFFSET): Define.
        (THM_MAX_FWD_BRANCH_OFFSET): Define.
        (THM_MAX_BWD_BRANCH_OFFSET): Define.
        (arm_long_branch_stub): Define.
        (arm_pic_long_branch_stub): Define.
        (arm_thumb_v4t_long_branch_stub): Define.
        (arm_thumb_thumb_long_branch_stub): Define.
        (arm_thumb_arm_v4t_long_branch_stub): Define.
        (STUB_SUFFIX): Define.
        (elf32_arm_stub_type): Define.
        (elf32_arm_stub_hash_entry): Define.
        (elf32_arm_link_hash_entry): Add stub_cache field.
        (arm_stub_hash_lookup): Define.
        (elf32_arm_link_hash_table): Add stub_hash_table, stub_bfd,
        add_stub_section, layout_sections_again, stub_group, bfd_count,
        top_index, input_list fields.
        (elf32_arm_link_hash_newfunc): Init new field.
        (stub_hash_newfunc): New function.
        (elf32_arm_link_hash_table_create): Init stub_hash_table.
        (elf32_arm_hash_table_free): New function.
        (arm_type_of_stub): New function.
        (elf32_arm_stub_name): New function.
        (elf32_arm_get_stub_entry): New function.
        (elf32_arm_stub_add_mapping_symbol): New function.
        (elf32_arm_add_stub): New function.
        (arm_build_one_stub): New function.
        (arm_size_one_stub): New function.
        (elf32_arm_setup_section_lists): New function.
        (elf32_arm_next_input_section): New function.
        (group_sections): New function.
        (elf32_arm_size_stubs): New function.
        (elf32_arm_build_stubs): New function.
        (bfd_elf32_arm_add_glue_sections_to_bfd): Skip stub sections.
        (bfd_elf32_arm_process_before_allocation): No longer handle
        R_ARM_CALL and R_ARM_THM_CALL.
        (using_thumb_only): New function.
        (elf32_arm_final_link_relocate): Redirect calls to stub if range
        exceeds encoding capabilities.
        (bfd_elf32_bfd_link_hash_table_free): Define.
        * bfd-in.h (R_ARM_max): Fix value to 130.
        (elf32_arm_setup_section_lists): Protype.
        (elf32_arm_next_input_section): Protype.
        (elf32_arm_size_stubs): Protype.
        (elf32_arm_build_stubs): Protype.

        ld/
        * emultempl/armelf.em (build_section_lists): New function.
        (stub_file): Define.
        (need_laying_out): Define.
        (group_size): Define.
        (hook_stub_info): Define.
        (hook_in_stub): New function.
        (elf32_arm_add_stub_section): New function.
        (gldarm_layout_sections_again): New function.
        (gld${EMULATION_NAME}_finish): Replace arm_elf_finish(). Generate
        stubs for long calls if needed.
        (arm_elf_create_output_section_statements): create stub_file bfd.
        (arm_for_each_input_file_wrapper): New function.
        (arm_lang_for_each_input_file): New function.
        (lang_for_each_input_file): Define.
        (PARSE_AND_LIST_PROLOGUE): Add option token OPTION_STUBGROUP_SIZE.
        (PARSE_AND_LIST_LONGOPTS): Add option stub-group-size.
        (PARSE_AND_LIST_OPTIONS): Add option stub-group-size.
        (PARSE_AND_LIST_ARGS_CASES): Add OPTION_STUBGROUP_SIZE case.
        (LDEMUL_FINISH): Update to gld${EMULATION_NAME}_finish.
        * ld/lang.c (print_input_statement): Skip if bfd has
        BFD_LINKER_CREATED.

        ld/testsuite
        * ld-arm/arm-elf.exp (armelftests): Add farcall-arm-arm,
        farcall-arm-arm-pic-veneer, farcall-arm-arm-be8 farcall-arm-thumb,
        farcall-arm-thumb-blx, farcall-arm-thumb-pic-veneer,
        farcall-arm-thumb-blx-pic-veneer, farcall-thumb-thumb,
        farcall-thumb-thumb-pic-veneer, farcall-thumb-thumb-blx,
        farcall-thumb-thumb-m, farcall-thumb-thumb-m-pic-veneer,
        farcall-thumb-thumb-blx-pic-veneer, farcall-thumb-arm,
        farcall-thumb-arm-pic-veneer, farcall-thumb-arm-blx,
        farcall-thumb-arm-blx-pic-veneer.
        Change thumb2-bl-as-thumb1-bad, thumb2-bl-bad.
        * ld-arm/thumb2-bl-as-thumb1-bad.d: Reflects farcall stub
        generation.
        * ld-arm/thumb2-bl-bad.d: Likewise.
        * ld-arm/thumb2-bl-as-thumb1-bad.s: Update comments.
        * ld-arm/thumb2-bl-bad.s: Likewise.

* dbxread.c: Formatting.
(INTERNALIZE_SYMBOL): Init n_other.
(set_namestring): Take pointer to nlist arg rather than struct
copy.  Update all callers.

(dwarf2loc.o): Remove $(addrmap_h).
(dwarf2read.o): Add $(addrmap_h).

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daily update

* ppc-linux-tdep.c (ppc_linux_convert_from_func_ptr_addr): Rename ...
(ppc64_linux_convert_from_func_ptr_addr): ... to this.  No longer try
to handle ppc32 PLT entries.
(ppc_linux_init_abi): Install ppc64_linux_convert_from_func_ptr_addr
only on ppc64.

* elfread.c (elf_symtab_read): Create trampolines for @plt symbols.
* minsyms.c (lookup_minimal_symbol_by_pc_section_1): Renamed from
lookup_minimal_symbol_by_pc_section.  Prefer trampolines if requested.
(lookup_minimal_symbol_by_pc_section): Use
lookup_minimal_symbol_by_pc_section_1.
(lookup_solib_trampoline_symbol_by_pc): Likewise.

* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Fix memset calls.
* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Likewise.

update dependencies

    * findcmd.c: Add #include "gdb_stdint.h".
        * Makefile.in (findcmd.o): Update dependencies.

* elf32-ppc.c (section_covers_vma): New function.
(ppc_elf_get_synthetic_symtab): New function.
(bfd_elf32_get_synthetic_symtab): Define.
* elf64-ppc.c (section_covers_vma): New function.
(ppc64_elf_get_synthetic_symtab): Generate sym@plt on glink branch
table entries, and __glink_PLTresolve on resolver stub.
(ppc64_elf_build_stubs): Rename __glink sym to __glink_PLTresolve.

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daily update

* gdb.base/watch_thread_num.exp: Don't run tests that require
watchpoints if the target doesn't support them.

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daily update

* lib/gdbserver-support.exp (find_gdbserver): Use $GDBSERVER if set.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
    Paolo Bonzini  <bonzini@gnu.org>

PR ada/36001
* acx.m4: Add optional parameter to ACX_PROG_GNAT.

PR 6443
* elf32-ppc.c (MUST_BE_DYN_RELOC): Delete.
(must_be_dyn_reloc): New function.
(ppc_elf_check_relocs): Don't set DF_STATIC_TLS for tprel relocs
in pies.
(ppc_elf_tls_optimize): Optimise pies.
(ppc_elf_relocate_section): Use a section symbol rather than no
symbol if possible for LD->IE TLS sequence, but don't error if
we must use no symbol.
* elf64-ppc.c (MUST_BE_DYN_RELOC): As for elf32-ppc.c.
(must_be_dyn_reloc): Likewise.
(ppc64_elf_check_relocs): Likewise.
(ppc64_elf_tls_optimize): Likewise.
(ppc64_elf_relocate_section): Likewise.

* elf32-spu.c (spu_elf_relocate_section): Rename is_ea to is_ea_sym.

* Update uses of val_print functions with additional language argument.
generic/gdbtk-cmds.c: Add "language.h" include.
(gdb_eval): Add current_language as new arg of val_print.
generic/gdbtk-register.c: Add "language.h" include.
(get_register): Add current_language as new arg of val_print.
generic/gdbtk-wrapper.c: Add "language.h" include.
(wrap_val_print): Add current_language as new arg of val_print.

* src-release (BINUTILS_SUPPORT_DIRS): Add elfcpp and gold.

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daily update

* sparc-linux-tdep.c (sparc32_linux_init_abi): Remove
long double size override, Linux does use 128-bit now.

* sparc-linux-tdep.c (PSR_SYSCALL): Define.
(sparc_linux_write_pc): New function.
(sparc32_linux_init_abi): Register it.
* sparc64-linux-tdep.c (TSTATE_SYSCALL): Define.
(sparc64_linux_write_pc): New function.
(sparc64_linux_init_abi): Register it.

  * sparc-linux-tdep.c, sparc64-linux-tdep.c: Use
dwarf2_append_unwinders(), not dwarf2_frame_sniffer.

* rs6000-tdep.c (rs6000_gdbarch_init): Set up info.target_desc
and info.tdep_info before calling gdbarch_init_osabi.

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daily update

* elfcore.h (elf_core_file_p): Warn about core truncation.

daily update

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    * gdb.ada/assign_1.exp: New testcase.

    * ada-lang.c (ada_evaluate_subexp) [BINOP_ASSIGN]: Do not force
        the type of the right hand side of the assignment to the type
        of the left hand side if the left hand side is a convenience
        variable.

* NEWS: Mention gdbserver bi-arch capability.

update for capitalization changes

remove cruft from previous checkin

* remote.c (remote_search_memory): Fix capilization in error messages.

* error.c (parse_find_args): Fix capitalization in previous patch.
(find_command): Ditto.
* target.c (simple_search_memory): Ditto.
* gdbserver/server.c (handle_search_memory_1): Ditto.
(handle_search_memory): Ditto.

New "find" command.
* NEWS: Document find command and qSearch:memory packet.
* Makefile.in (SFILES): Add findcmd.c.
(COMMON_OBJS): Add findcmd.o.
(findcmd.o): New rule.
* findcmd.c: New file.
* target.h (target_ops): New member to_search_memory.
(simple_search_memory): Declare.
(target_search_memory): Declare.
* target.c (simple_search_memory): New fn.
(target_search_memory): New fn.
* remote.c (PACKET_qSearch_memory): New packet kind.
(remote_search_memory): New fn.
(init_remote_ops): Init to_search_memory.
(init_extended_remote_ops): Ditto.
(_initialize_remote): Add qSearch:memory packet config command.

* gdbserver/server.h (decode_search_memory_packet): Declare.
* gdbserver/remote-utils.c (decode_search_memory_packet): New fn.
* gdbserver/server.c (handle_search_memory_1): New fn.
(handle_search_memory): New fn.
(handle_query): Process qSearch:memory packets.

* doc/gdb.texinfo: Document "find" command, qSearch:memory packet.

* testsuite/gdb.base/find.exp: New file.
* testsuite/gdb.base/find.c: New file.

    * ppc/altivec.igen (vperm): Latch inputs into temporaries.

* thread.c (_initialize_thread): Don't use commas and periods in
first line of doc string of "set/show print thread-events".

    * alpha-mdebug-tdep.c, alpha-osf1-tdep.c, alpha-tdep.c:
        Update for unwinder changes.

    * frame.c (get_frame_base_address, get_frame_locals_address)
        (get_frame_args_address): Pass the correct frame when calling
        frame_base_find_by_frame.

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daily update

* remote.c (extended_remote_attach_1): Call target_find_description.

* regcache.c (registers_length): Remove.
(set_register_cache): Verify that PBUFSIZ is large enough to hold a
full register packet.
* regcache.h (registers_length): Remove prototype.
* server.h (PBUFSIZ): Define to 16384.

* gdb.base/commands.exp (watchpoint_command_test): Handle
gdb,no_hardware_watchpoints.
* gdb.base/float.exp: Allow ARM targets without floating point.
* gdb.base/step-test.exp: Allow callee@plt when stepping in.

* remote.c (extended_remote_create_inferior_1): Clean up
before marking the target running.

    * hppa-tdep.h, hppa-tdep.c, hppa-hpux-tdep.c: Update for unwinder
        changes.

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daily update

bfd/
        * elf32-xtensa.c (xtensa_property_section_name): New.
        (xtensa_make_property_section): New.
        (xtensa_get_property_section): Make static.  Do not create a new
        section if it does not exist.
gas/
        * config/tc-xtensa.c (xtensa_create_property_segments): Use
        xtensa_make_property_section instead of xtensa_get_property_section.
        (xtensa_create_xproperty_segments): Likewise.

    * sparc-tdep.c, sparc-tdep.h, sparc-sol2-tdep.c, sparc64-tdep.c,
        sparc64-sol2-tdep.c: Update for unwinder changes.

bfd/
* elf32-spu.c (spu_elf_special_sections): Add "._ea".
(spu_elf_relocate_section): Handle relocations against symbols
defined in ._ea specially.
binutils/
* embedspu.sh: Take note of R_SPU_PPU32/64 relocs without a symbol,
and if present, put image in ".data.speelf".  Put program handle
in ".data.spehandle".
ld/emulparams/
* elf32_spu.sh (OTHER_SECTIONS): Add "._ea".
* elf32ppc.sh: If building with spu support, put ".data.spehandle"
sections at the start of ".data" and provide a symbol to locate
the directory of embedded spe programs.
ld/testsuite/
* ld-spu/ear.s: Align various sections.
* ld-spu/embed.rd: Update.

* cp-support.c (mangled_name_to_comp): Initialize storage.
(unqualified_name_from_comp): Likewise.

* remote.c (remote_insert_breakpoint): Call get_remote_state
after gdbarch_breakpoint_from_pc is called.
(remote_insert_hw_breakpoint): Likewise.

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daily update

    * gdb.ada/lang_switch: New test program.
        * gdb.ada/lang_switch.exp: New testcase.

    * valprint.c (val_print): Add new language parameter and use it
        instead of using the current_language. Update calls to val_print
        throughout.
        (common_val_print): Add new langauge parameter and pass it to
        val_print.
        * value.h (struct language_defn): Add opaque declaration.
        (val_print, common_val_print): Update declarations.
        * stack.c (print_frame_args): Update call to common_val_print
        using the appropriate language.
        * mi/mi-cmd-stack.c (list_args_or_locals): Likewise.
        * c-valprint, f-valprint.c, m2-valprint.c, mt-tdep.c, infcmd.c,
        mi/mi-main.c, jv-valprint.c, ada-valprint.c, varobj.c, p-valprint.c,
        scm-valprint.c, cp-valprint.c, sh64-tdep.c, printcmd.c:
        #include "language.h" if necessary.
        Update calls to val_print and common_val_print.
        * Makefile.in (mt-tdep.o, sh64-tdep.o, mi-cmds.o, mi-main.o):
        Update dependencies.

    * ia64-tdep.c (ia64_convert_from_func_ptr_addr): Treat addresses
        pointing inside a non-executable section as function descriptors.

* inf-loop.c (inferior_event_handler): Run all continuations and
print any language change before running the breakpoint commands.

    * frame-unwind.c (frame_unwind_got_bytes): New function.
        * frame-unwind.h (frame_unwind_got_bytes): Add declaration.
        * libunwind-frame.h, libunwind-frame.c, ia64-tdep.c: Update
        for unwinder changes.

daily update

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* gdb.base/help.exp (disassemble): Update expected help text.

* NEWS: Mention new /m modifier for disassemble command.
* cli/cli-cmds.c (print_disassembly): New function.
(disassemble_current_function): New function
(disassemble_command): Recognize /m modifier, print mixed
source+assembly.
(init_cli_cmds): Update disassemble help text.

* gdb.texinfo (disassemble): Document /m modifier.

2008-05-05  Maxim Grigoriev  <maxim2405@gmail.com>

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

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.

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