Per-thread commands.

* gdbthread.h: Remove unneeded forward declarations.
Include "inferior.h".
(struct thread_info): Add continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi and stop_signal members.
(save_infrun_state): Add continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat parameters.
(load_infrun_state): Add continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat parameters.

* thread.c (load_infrun_state): In non-stop mode, load
continuations, intermediate_continuations, proceed_to_finish,
step_over_calls, stop_step, step_multi and stop_signal.
(save_infrun_state): Store continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat.
(save_infrun_state): Store continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat.
(free_thread): Clear The thread's stop_bpstat.

* inferior.h (context_switch_to): Declare.

* infrun.c (ecss): New global.
(context_switch): Context switch continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat.
(wait_for_inferior): Use global ecss.
(async_ecss, async_ecs): Delete.
(fetch_inferior_event): Use global ecss.
(context_switch_to): New.

* top.c (execute_command): In non-stop, only check if the current
thread is running, in all-stop, check if there's any thread
running.

* breakpoint.c (bpstat_remove_breakpoint): New.
(bpstat_remove_breakpoint_callback): New.
(delete_breakpoint): Clear the stop_bpstats of all threads.

* mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the
current thread is running, in all-stop, check if there's any
thread running.

* Makefile.in (gdbthread_h): Depend on $(inferior_h).

Add non_stop global.

* inferior.h (non_stop): Declare.
* infrun.c (non_stop, non_stop_1): New.
(set_non_stop, show_non_stop): New.
(_initialize_infrun): Add "set/show non-stop" command.

Adjust fork/vfork/exec to pass ptids around.

* target.h (struct target_waitstatus): Store related_pid as a ptid.
(inferior_has_forked, inferior_has_vforked, inferior_has_execd):
Take a ptid_t.
* breakpoint.h (struct breakpoint): Change forked_inferior_pid
type to ptid.
* breakpoint.c (print_it_typical, bpstat_check_location)
(print_one_breakpoint_location, set_raw_breakpoint_without_location)
(create_fork_vfork_event_catchpoint): Adjust.
* infrun.c (fork_event): Change parent_pid and child_pid types to
ptid.
(follow_exec, inferior_has_forked, inferior_has_vforked)
(inferior_has_execd): Take a ptid_t and don't trim it.
* linux-thread-db.c (thread_db_wait): Don't trim the returned ptid.
* linux-nat.c (linux_child_follow_fork): Adjust.
* inf-ptrace.c (inf_ptrace_wait): Adjust.
* inf-ttrace.c (inf_ttrace_wait): Adjust.
* win32-nat.c (get_win32_debug_event): Don't set related_pid.

Add "executing" property to threads.

* inferior.h (target_executing): Delete.
* gdbthread.h (struct thread_info): Add executing_ field.
(set_executing, is_executing): New.
* thread.c (main_thread_executing): New.
(init_thread_list): Clear it and also main_thread_running.
(is_running): Return false if target has no execution.
(any_running, is_executing, set_executing): New.

* top.c: Include "gdbthread.h".
(target_executing): Delete.
(execute_command): Replace target_executing check by any_running.
* event-top.c: Include "gdbthread.h".
(display_gdb_prompt, command_handler): Replace target_executing by
is_running.
* inf-loop.c: Include "gdbthread.h".  Don't mark as not executing
here.  Replace target_executing by is_running.
* infrun.c (handle_inferior_event): Mark all threads as
not-executing.
* linux-nat.c (linux_nat_resume): Don't mark thread as executing
here.
* stack.c (get_selected_block): Return null if inferior is
executing.
* target.c (target_resume): Mark resumed ptid as executing.
* breakpoint.c (until_break_command): Replace target_executing
check by is_executing.
* remote.c (remote_async_resume): Don't mark inferior as executing
here.
* mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing
by any_running.

* mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute)
(mi_execute_async_cli_command): Replace target_executing by
is_running.

* frame.c (get_current_frame): Error out if the current thread is
executing.
(has_stack_frames): New.
(get_selected_frame, deprecated_safe_get_selected_frame): Check
has_stack_frames.

* Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on
$(gdbthread_h).

gdb/
2008-07-09  Pedro Alves  <pedro@codesourcery.com>

* symfile.c (load_command): Reopen the exec file and reread
symbols before anything else.

gdb/testsuite/
2008-07-09  Pedro Alves  <pedro@codesourcery.com>

* gdb.base/chng-syms.exp: Don't expect "No symbol ...".

* remote-sim.c: Include gdbthread.h.
(remote_sim_ptid): New global.
(gdbsim_create_inferior): Silently add the main task to GDB's
thread list.
(gdbsim_close, gdbsim_mourn_inferior): Silently delete the main
task from GDB's thread list.
(gdbsim_resume): Adjust to use remote_sim_ptid.
(gdbsim_thread_alive, gdbsim_pid_to_str): New.
(init_gdbsim_ops): Register gdbsim_thread_alive and
gdbsim_pid_to_str.
(_initialize_remote_sim): Initialize remote_sim_ptid.
* Makefile.in (remote-sim.o): Depend on $(gdbthread_h).

* monitor (monitor_ptid): New global.
(monitor_open): Silently add the main task to GDB's thread list.
(monitor_close, monitor_mourn_inferior): Silently delete the main
task from GDB's thread list.
(monitor_thread_alive, monitor_pid_to_str): New.
(init_base_monitor_ops): Register monitor_thread_alive and
monitor_pid_to_str.
(_initialize_remote_monitors): Initialize monitor_ptid.

* gdbthread.h (delete_thread_silent): Declare.
* thread.c (delete_thread): Rename to ...
(delete_thread_1): ... this.  Add "silent" parameter.  If silent,
don't do exit notifications.
(delete_thread, delete_thread_silent): New, as wrappers to
delete_thread_1.

* gdb.base/fullname.exp: Restore pwd if compiling failed.

2008-07-09  Kai Tietz  <kai.tietz@onevision.com>

* gas/i386/i386.exp (x86-64-pcrel): Disable for w64.
(x86-64-sse5): Likewise.
(x86-64-opcode-inval): Likewise.
(x86-64-opcode-inval-intel): Likewise.
(x86-64-w64-pcrel): New.
* gas/i386/x86-64-w64-pcrel.d: New.

       *pe-dll.c (autofilter_symbolprefixlist): Excude all symbols
           starting with ".".
           Exclude "_IMPORT_DESCRIPTOR_".
           (autofilter_symbolsuffixlist): Exclude "_NULL_THUNK_DATA".
           (autofilter_symbollist_generic): Don't check for ".text".
           Exclude "_NULL_IMPORT_DESCRIPTOR".
           (autofilter_symbollist_i386): Likewise.

daily update

*** empty log message ***

* breakpoint.c (update_global_location_list): Add boolean
"should_insert" argument.  Only insert locations if caller told it
too.
(update_global_location_list_nothrow): Add boolean "should_insert"
argument.  Pass it to update_global_location_list.
(insert_breakpoints, create_longjmp_breakpoint)
(create_overlay_event_breakpoint, enable_overlay_breakpoints)
(create_thread_event_breakpoint, create_solib_event_breakpoint)
(create_fork_vfork_event_catchpoint, create_exec_event_catchpoint)
(enable_watchpoints_after_interactive_call_stop)
(set_momentary_breakpoint, create_breakpoints)
(break_command_really, watch_command_1)
(create_ada_exception_breakpoint, update_breakpoint_locations)
(do_enable_breakpoint, enable_command): Pass true to
update_global_location_list.
(bpstat_stop_status, disable_overlay_breakpoints)
(disable_watchpoints_before_interactive_call_start)
(delete_breakpoint, disable_breakpoint, disable_command): Pass
false to update_global_location_list.
(update_breakpoints_after_exec): Don't temporarily disable
always-inserted mode.

* breakpoint.c (mark_breakpoints_out): Make public.
(update_breakpoints_after_exec): Don't call mark_breakpoints_out
here.  Update comment.
* breakpoint.h (mark_breakpoints_out): Declare.

* linux-nat.c (linux_handle_extended_wait): On
TARGET_WAITKIND_EXECD, call mark_breakpoints_out.
* inf-ttrace.c (inf_ttrace_wait): Likewise.

* infrun.c (follow_exec): Reset shared libraries before adding the
main exec file.

2008-07-08  Kai Tietz  <kai.tietz@onevision.com>

* binutils-all/objcopy.exp (copy_setup): Check if host-triplet
is target-triplet for execution tests.
(copy_executable): Likewise.
(strip_executable): Likewise.
(strip_executable_with_saving_a_symbol): Likewise.

* config/tc-m68k.c (m68k_set_cpu, m68k_set_arch): Don't complain
about overriding an earlier setting.

*** empty log message ***

daily update

* server.c (handle_v_attach): Inhibit reporting dll changes.

gdb/
* breakpoint.c (bpstat_copy): Call RELEASE_VALUE on the new OLD_VAL.

gdb/testsuite/
* gdb.base/value-double-free.exp, gdb.base/value-double-free.c: New.

* i386-dicos-tdep.c: Include "inferior.h".
(i386_dicos_frame_align): New.
(i386_dicos_init_abi): Register i386_dicos_frame_align.  Set call
dummy location ON_STACK.
* Makefile.in (i386-dicos-tdep.o): Depend on $(inferior_h).

* gas/mips/mips32.s: Move out coprocessor2 insns from here ...
* gas/mips/mips32-cp2.s: ... to here.
* gas/mips/mips32.d: Update.
* gas/mips/mips32-cp2.d: New file.
* gas/mips/mips32r2.s: Move out coprocessor2 insns from here ...
* gas/mips/mips32r2-cp2.s: ... to here.
* gas/mips/mips32r2.d: Update.
* gas/mips/mips32r2-cp2.d: New file.
* gas/mips/mips64.s: Move out coprocessor2 insns from here ...
* gas/mips/mips64-cp2.s: ... to here.
* gas/mips/mips64.d: Update.
* gas/mips/mips64-cp2.d: New file.
* gas/mips/mips.exp: Run mips32-cp2, mips32r2-cp2 and mips64-cp
except for Octeon.
* gas/mips/octeon.s: Add supported coprocessor insns.  Move pop
down to keep alphabetical order.
* gas/mips/octeon.d: Update.
* gas/mips/octeon-ill.s: Add unsupported coprocessor insns.
* gas/mips/octeon-ill.l: Update.

* config/tc-mips.c (NO_ISA_COP): New macro.
(COP_INSN): New macro.
(is_opcode_valid): Use them.
(macro) <ld_st>: Use them.  Don't accept coprocessor load store
insns based on the ISA if CPU is NO_ISA_COP.
<copz>: Likewise for coprocessor operations.

gas/

2008-07-07  Paul Brook  <paul@codesourcery.com>

* config/tc-arm.c (arm_fix_adjustable): Don't adjust MOVW/MOVT
relocations.

gas/testsuite/

2008-07-07  Paul Brook  <paul@codesourcery.com>

* gas/arm/movw-local.d: New test.
* gas/arm/movw-local.s: New test.

* mips-opc.c (CP): New macro.
(mips_builtin_opcodes): Mark c0, c2 and c3 as CP.  Add Octeon to the
membership of di, dmfc0, dmtc0, ei, mfc0 and mtc0.  Add dmfc2 and
dmtc2 Octeon instructions.

    * ld-arm/arm-elf.exp: Use objdump -d for arm-be8 test.
    * ld-arm/arm-be8.d: Change to test disassembly.

2008-07-07  Stan Shebs  <stan@codesourcery.com>

    * dis-asm.h (struct disassemble_info): Add endian_code field.

2008-07-07  Stan Shebs  <stan@codesourcery.com>

    * dis-init.c (init_disassemble_info): Init endian_code field.
    * arm-dis.c (print_insn): Disassemble code according to
    setting of endian_code.
    (print_insn_big_arm): Detect when BE8 extension flag has been set.

    * gstdint.h: New file.

    * safe-ctype.h: Add #include of ctype.h before redefining
        the ctype.h macros.

    * configure.tgt: Add bfin-*-rtems*.

    * elf32-arm.c (arm_type_of_stub): Don't crash on local symbols in
        the presence of a PLT.

(GDB/MI Target Manipulation): Fix last change.

* bfd.c (bfd_demangle): Always trim off bfd_get_symbol_leading_char.

* objdump.c (find_symbol_for_address): Prefer symbols in current
section.

* emultempl/armelf.em (elf32_arm_add_stub_section): Use
bfd_make_section_with_flags.
* emultempl/avrelf.em (avr_elf_create_output_section_statements):
Likewise.
* emultempl/hppaelf.em (hppaelf_add_stub_section): Likewise.
* emultempl/m68hc1xelf.em (m68hc11elf_add_stub_section): Likewise.
* emultempl/m68kcoff.em (gld${EMULATION_NAME}_after_open): Likewise.
* emultempl/m68kelf.em (m68k_elf_after_open): Likewise.
* emultempl/ppc64elf.em (ppc_add_stub_section): Likewise.
* emultempl/sh64elf.em (sh64_elf_${EMULATION_NAME}_before_allocation):
Likewise.

* ieee.c (write_ieee_debugging_info): Use bfd_make_section_with_flags.
* nlmconv.c (main, powerpc_build_stubs): Likewise.
* rescoff.c (write_coff_file): Likewise.
* resres.c (write_res_file): Likewise.
* windmc.c (windmc_write_bin): Likewise.

*** empty log message ***

daily update

* ld.texinfo (File Commands): Document that INCLUDE can be used in
several different places.
* ldgram.y (statement, memory_spec, section): Allow INCLUDE.
(memory, memory_spec_list): Simplify BNF
(memory_spec_list_opt): New rule.
* ldlex.l (INCLUDE): Recognize in EXPRESSION.
testsuite/
* ld-scripts/include-1.d: New.
* ld-scripts/include-1.t: New.
* ld-scripts/include-data.t: New.
* ld-scripts/include-mem.t: New.
* ld-scripts/include-ram.t: New.
* ld-scripts/include-sections.t: New.
* ld-scripts/include-subdata.t: New.
* ld-scripts/include.exp: New.
* ld-scripts/include.s: New.

* gdb.texinfo (GDB/MI Target Manipulation): Add
example of -target-attach.

daily update

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* mi/mi-interp.c (mi_on_resume): Don't try to report
resumed thread it the thread list is empty.

Add missed changelog entry.

*** empty log message ***

daily update

* cli/cli-decode.c (add_setshow_optional_filename_cmd): Set
completer for set to filename_completer.
NEWS: Mention it.

    * safe-ctype.h: Remove #error when detecting that ctype.h has been
        included. Redefine the various macros provided by ctype.h as
        undefined variables.

* config/tc-spu.c (md_apply_fix): Handle fully resolved
BFD_RELOC_32_PCREL, BFD_RELOC_SPU_HI16 and BFD_RELOC_SPU_LO16.

Implement -target-attach.
        * mi/mi-cmds.c (mi_cmds): Forward -target-attach to CLI attach.

* layout.cc (Layout::include_section): Do not discard unrecognized
SHT_STRTAB sections.

*** empty log message ***

daily update

2008-06-21  Hui Zhu  <teawater@gmail.com>

* target-descriptions.c (maint_print_c_tdesc_cmd): Fix a memory leak.

* config/i386/nm-cygwin.h (ATTACH_NO_WAIT): Delete.
* config/i386/nm-i386gnu.h (ATTACH_NO_WAIT): Delete.

* target.h (struct target_ops): Add to_attach_no_wait member.
(target_attach_no_wait): New.
* target.c (update_current_target): Inherit to_attach_no_wait.

* infcmd.c: Replace ATTACH_NO_WAIT compile time check by
target_attach_no_wait runtime check.

* gnu-nat.c (init_gnu_ops): Set to_attach_no_wait in gnu_ops.
* win32-nat.c (init_win32_ops): Set to_attach_no_wait in
win32_ops.

* i386-tdep.c (i386_displaced_step_fixup): Condition log printing
on debug_displaced being set.

*** empty log message ***

daily update

* elf32-ppc.c (is_pic_glink_stub): New function.
(ppc_elf_get_synthetic_symtab): Don't generate symbols when
multiple shared/pie stubs per plt entry.

daily update

*** empty log message ***

daily update

*** empty log message ***

2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>

        * script.cc (Lex::can_continue_name): Make '?' allowable in
        version-script names.
        * testsuite/version_script.map: Change glob pattern to use '?'

bfd/
* elf.c (_bfd_elf_get_synthetic_symtab): Increment p by
bed->s->int_rels_per_ext_rel.

bfd/
* syms.c (BSF_SYNTHETIC): New flag.
* elf.c (_bfd_elf_get_synthetic_symtab): Set it.
* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Likewise.
* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Likewise.
* bfd-in.h (bfd_asymbol_flavour): Return bfd_target_unknown_flavour
for synthetic symbols.
* bfd-in2.h: Regenerate.

opcodes/
* mips-dis.c (_print_insn_mips): Use bfd_asymbol_flavour to check
for ELF symbols.

PR 6585
* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
Correct typo.

* frame.c (get_prev_frame_1): Call frame_unwind_find_by_frame
directly instead of get_frame_id.

PR 6660
PR 6682
* powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
versions]: Don't try to read the value in the contents, since we
don't use it.  Use the template endianness when writing.

* elf32-arm.c (record_arm_to_thumb_glue, record_thumb_to_arm_glue):
Expand comments.
(arm_map_one_stub): Use | 1 when setting the low bit.

* rs6000-tdep.c (ppc_displaced_step_fixup): New function.
(deal_with_atomic_sequence): Update BC masks.
(rs6000_gdbarch_init): Init displaced stepping infra-structure.
Define BRANCH_MASK, B_INSN, BC_INSN, BXL_INSN, BP_MASK and BP_INSN.

* cris-tdep.c (crisv32_single_step_through_delay): Get this frame's
register, not the previous frame's.

    * source.c (select_source_symtab): Make sure we skip namespace
        symtabs when showing cpp source code.

* MAINTAINERS (Authorized committers): Fix my email address.

daily update

*** empty log message ***

* mi/mi-cmds.c (mi_cmds): Route -exec-run, -exec-until,
-target-download and -target-select via CLI, so that
the quoting rules are the same as they were (unfortunately)
in all prior gdb releases.
* mi/mi-cmds.h (mi_cmd_exec_run, mi_cmd_exec_until)
(mi_cmd_target_download, mi_cmd_target_select): Remove.
* mi/mi-main.c (mi_cmd_exec_run, mi_cmd_exec_until)
(mi_cmd_target_download, mi_cmd_target_select): Remove.
(mi_cmd_execute): Set current_token even for commands
routed via CLI.

* elf32-m68k.c (elf_m68k_relocate_section): Don't ignore existing
addend on _GLOBAL_OFFSET_TABLE_.

ld/testsuite/:
* ld-m68k/got-1.s: New file.
* ld-m68k/got-1.d: New dump test.
* ld-m68k/m68k.exp: Run it.

daily update

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* alphafbsd-tdep.c: Update for unwinder changes.
* alpha-linux-tdep.c: Likewise.
* alphanbsd-tdep.c: Likewise.
* alphaobsd-tdep.c: Likewise.
* avr-tdep.c: Likewise.
* cris-tdep.c: Likewise.
* frv-linux-tdep.c: Likewise.
* frv-tdep.c: Likewise.
* h8300-tdep.c: Likewise.
* hppa-linux-tdep.c: Likewise.
* iq2000-tdep.c: Likewise.
* m32c-tdep.c: Likewise.
* m32r-linux-tdep.c: Likewise.
* m32r-tdep.c: Likewise.
* m68hc11-tdep.c: Likewise.
* mep-tdep.c: Likewise.
* mn10300-tdep.c: Likewise.
* mt-tdep.c: Likewise.
* score-tdep.c: Likewise.
* sh64-tdep.c: Likewise.
* sh-tdep.c: Likewise.
* sparc64fbsd-tdep.c: Likewise.
* sparc64nbsd-tdep.c: Likewise.
* sparc64obsd-tdep.c: Likewise.
* v850-tdep.c: Likewise.
* vaxobsd-tdep.c: Likewise.
* vax-tdep.c: Likewise.
* xstormy16-tdep.c: Likewise.

* mi/mi-main.c (enum captured_mi_execute_command_actions)
(captured_mi_execute_command_args): Remove.
(captured_mi_execute_command): Cast the closure to mi_parse
pointer, not to captured_mi_execute_command_args, and don't
set the action field thereof.
(mi_execute_command): Pass struct mi_parse, not
captured_mi_execute_command_args to captured_mi_execute_command.
(mi_execute_command): Remove (dead) code for suppressing
printing prompt.

* lib/mi-support.exp (mi_send_resuming_command_raw): Revert
previous commit.  Add a comment.

gdb/
2008-06-28  Pedro Alves  <pedro@codesourcery.com>

* linux-nat.c (enum sigchld_state): New.
(linux_nat_async_events_state): Renamed from
linux_nat_async_events_enabled.
(linux_nat_event_pipe_push, my_waitpid): Adjust.
(sigchld_default_action): New.
(lin_lwp_attach_lwp): Adjust.  Call linux_nat_async_events
unconditionally.
(linux_nat_create_inferior): Set events state to sigchld_default
state.
(linux_nat_resume): Adjust.
(linux_nat_wait): Call linux_nat_async_events unconditionally.
(sigchld_handler): Adjust.
(linux_nat_async_mask): Don't set SIGCHLD actions here.
(get_pending_events): Adjust.
(linux_nat_async_events): Rewrite to handle enum sigchld_state
instead of a boolean.
(linux_nat_async): Adjust.
(_initialize_linux_nat): Capture default SIGCHLD action into
sigchld_default_action.

gdb/testsuite/
2008-06-28  Pedro Alves  <pedro@codesourcery.com>

* gdb.base/sigchld.c, gdb.base/sigchld.exp: New test.

* lib/mi-support.exp (mi_send_resuming_command_raw): Report pass.

Revert accidental commit

    * breakpoint.c (moribund_locations): New.
        (bpstat_stop_status): Process moribund locations.
        (update_global_location_list): Add removed
        locations to moribund_locations.
        (breakpoint_retire_moribund): New.
        * breakpoint.h (struct bp_location): New field
        events_till_retirement.
        (breakpoint_retire_moribund): Declare.
        * thread.c (thread_count): New.
        * infrun.c (handle_inferior_event): Call
        breakpoint_retire_moribund.
        * gdbthread.h (thread_count): Declare.

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daily update

* dfp.c (decimal_convert): Call match_endianness before and after
conversion.

    * remote.c (remote_insert_breakpoint): Ensure that if Z0
        unsupported and we fall back to memory_insert_breakpoint, we
        use the unmodified requested address.

* gas/mips/odd-float.d: Replace ... with #pass.
* gas/mips/ldstla-32-shared.d: Add -march=mips1 for as.
* gas/mips/ldstla-32.d: Likewise.
* gas/mips/mips16-hilo-match.d: Add -mabi=32 -march=mips1 for as.

    * dwarf2read.c (read_attribute_value): Issue a complaint when
        adjusting size attribute values of 0xffffffff as zero.

* lib/gdb.exp (gdb_saved_set_unbuffered_mode_obj): New global.
(gdb_compile): If target is *-*-cygwin* or *-*-mingw*, and we're
compiling an executable, link in an object that forces unbuffered
output.
* lib/set_unbuffered_mode.c: New file.

* i386-tdep.c (i386_16_byte_align_p): New.
(i386_push_dummy_call): Determine stack space required for
arguments going forwards allowing for 16-byte alignment, then push
arguments going forwards.

* remote-utils.c (prepare_resume_reply): If requested, don't
output "thread:TID" in the T stop reply.

* server.c (disable_packet_vCont, disable_packet_Tthread)
(disable_packet_qC, disable_packet_qfThreadInfo): New globals.
(handle_query): If requested, disable support for qC, qfThreadInfo
and qsThreadInfo.
(handle_v_requests): If requested, disable support for vCont.
(gdbserver_show_disableable): New.
(main): Handle --disable-packet and --disable-packet=LIST.

* server.h (disable_packet_vCont, disable_packet_Tthread)
(disable_packet_qC, disable_packet_qfThreadInfo): Declare.

* infrun.c (start_remote): Don't clear thread list here.
* monitor.c (monitor_open): Include "gdbthread.h".  Clear thread
list here.
* remote.c (record_currthread): Upgrade the main thread and its
entry in the thread list if this is the first time we hear about
threads.
(remote_thread_alive): Consider magic_null_ptid or a ptid without
a tid member always alive.
(remote_find_new_threads): Don't update the main thread here.
(remote_start_remote): Clear thread list here.  Always add the
main thread.
(extended_remote_attach_1): Add the main thread here.
(extended_remote_mourn_1): Re-add the main thread here.
(extended_remote_create_inferior_1): Add a main thread.

* Makefile.in (monitor.o): Depend on $(gdbthread_h).

Fix date.