Static tracepoints support, and UST integration.

[deliverable/binutils-gdb.git] / gdb / gdbserver / ChangeLog

2010-07-01  Pedro Alves  <pedro@codesourcery.com>

        Static tracepoints, and integration with UST.

        * configure.ac: Handle --with-ust.  substitute ustlibs and ustinc.
        * mem-break.c (uninsert_all_breakpoints)
        (reinsert_all_breakpoints): New.
        * mem-break.h (reinsert_all_breakpoints, uninsert_all_breakpoints):
        * tracepoint.c (ust_loaded, helper_thread_id, cmd_buf): New.
        (gdb_agent_ust_loaded, helper_thread_id)
        (gdb_agent_helper_thread_id): New macros.
        (struct ipa_sym_addresses): Add addr_ust_loaded,
        addr_helper_thread_id, addr_cmd_buf.
        (symbol_list): Add ust_loaded, helper_thread_id, cmd_buf.
        (in_process_agent_loaded_ust): New.
        (write_e_ust_not_loaded): New.
        (maybe_write_ipa_ust_not_loaded): New.
        (struct collect_static_trace_data_action): New.
        (enum tracepoint_type) <static_tracepoint>: New.
        (struct tracepoint) <handle>: Mention static tracepoints.
        (struct static_tracepoint_ctx): New.
        (CMD_BUF_SIZE): New.
        (add_tracepoint_action): Handle static tracepoint actions.
        (unprobe_marker_at): New.
        (clear_installed_tracepoints): Handle static tracepoints.
        (cmd_qtdp): Handle static tracepoints.
        (probe_marker_at): New.
        (cmd_qtstart): Handle static tracepoints.
        (response_tracepoint): Handle static tracepoints.
        (cmd_qtfstm, cmd_qtsstm, cmd_qtstmat): New.
        (handle_tracepoint_query): Handle qTfSTM, qTsSTM and qTSTMat.
        (get_context_regcache): Handle static tracepoints.
        (do_action_at_tracepoint): Handle static tracepoint actions.
        (traceframe_find_block_type): Handle static trace data blocks.
        (traceframe_read_sdata): New.
        (download_tracepoints): Download static tracepoint actions.
        [HAVE_UST] Include ust/ust.h, dlfcn.h, sys/socket.h, and sys/un.h.
        (GDB_PROBE_NAME): New.
        (ust_ops): New.
        (GET_UST_SYM): New.
        (USTF): New.
        (dlsym_ust): New.
        (ust_marker_to_static_tracepoint): New.
        (gdb_probe): New.
        (collect_ust_data_at_tracepoint): New.
        (gdb_ust_probe): New.
        (UNIX_PATH_MAX, SOCK_DIR): New.
        (gdb_ust_connect_sync_socket): New.
        (resume_thread, stop_thread): New.
        (run_inferior_command): New.
        (init_named_socket): New.
        (gdb_ust_socket_init): New.
        (cstr_to_hexstr): New.
        (next_st): New.
        (first_marker, next_marker): New.
        (response_ust_marker): New.
        (cmd_qtfstm, cmd_qtsstm): New.
        (unprobe_marker_at, probe_marker_at): New.
        (cmd_qtstmat, gdb_ust_thread): New.
        (gdb_ust_init): New.
        (initialize_tracepoint_ftlib): Call gdb_ust_init.
        * linux-amd64-ipa.c [HAVE_UST]: Include ust/processor.h
        (ST_REGENTRY): New.
        (x86_64_st_collect_regmap): New.
        (X86_64_NUM_ST_COLLECT_GREGS): New.
        (AMD64_RIP_REGNUM): New.
        (supply_static_tracepoint_registers): New.
        * linux-i386-ipa.c [HAVE_UST]: Include ust/processor.h
        (ST_REGENTRY): New.
        (i386_st_collect_regmap): New.
        (i386_NUM_ST_COLLECT_GREGS): New.
        (supply_static_tracepoint_registers): New.
        * server.c (handle_query): Handle qXfer:statictrace:read.
        <qSupported>: Report support for StaticTracepoints, and
        qXfer:statictrace:read features.
        * server.h (traceframe_read_sdata)
        (supply_static_tracepoint_registers): Declare.
        * remote-utils.c (convert_int_to_ascii, hexchars, ishex, tohex)
        (unpack_varlen_hex): Include in IPA build.
        * Makefile.in (ustlibs, ustinc): New.
        (IPA_OBJS): Add remote-utils-ipa.o.
        ($(IPA_LIB)): Link -ldl and -lpthread.
        (UST_CFLAGS): New.
        (IPAGENT_CFLAGS): Add UST_CFLAGS.
        * config.in, configure: Regenerate.

2010-06-20  Ian Lance Taylor  <iant@google.com>
            Pedro Alves  <pedro@codesourcery.com>

        * linux-x86-low.c (always_true): Delete.
        (EMIT_ASM, EMIT_ASM32): Use an uncondition asm jmp instead of
        trying to fool the compiler with always_true.

2010-06-20  Pedro Alves  <pedro@codesourcery.com>

        * tracepoint.c (condition_true_at_tracepoint): Don't run compiled
        conditions in gdbserver.

2010-06-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * spu-low.c (spu_read_memory): Wrap around local store limit.
        (spu_write_memory): Likewise.

2010-06-15  Pedro Alves  <pedro@codesourcery.com>

        * linux-x86-low.c (amd64_emit_const, amd64_emit_void_call_2)
        (i386_emit_const, i386_emit_void_call_2): Replace int64_t uses with
        LONGEST uses.
        * server.h (struct emit_ops): Replace int64_t uses with LONGEST
        uses.
        * tracepoint.c (emit_const, emit_void_call_2): Replace int64_t
        uses with LONGEST uses.

2010-06-14  Stan Shebs  <stan@codesourcery.com>
            Pedro Alves  <pedro@codesourcery.com>

        Bytecode compiler.

        * linux-x86-low.c: Include limits.h.
        (add_insns): New.
        (always_true): New.
        (EMIT_ASM): New.
        (EMIT_ASM32): New.
        (amd64_emit_prologue, amd64_emit_epilogue, amd64_emit_add)
        (amd64_emit_sub, amd64_emit_mul, amd64_emit_lsh)
        (amd64_emit_rsh_signed, amd64_emit_rsh_unsigned, amd64_emit_ext,
        (amd64_emit_log_not, amd64_emit_bit_and, amd64_emit_bit_or)
        (amd64_emit_bit_xor, amd64_emit_bit_not, amd64_emit_equal,
        (amd64_emit_less_signed, amd64_emit_less_unsigned, amd64_emit_ref,
        (amd64_emit_if_goto, amd64_emit_goto, amd64_write_goto_address)
        (amd64_emit_const, amd64_emit_call, amd64_emit_reg)
        (amd64_emit_pop, amd64_emit_stack_flush, amd64_emit_zero_ext)
        (amd64_emit_swap, amd64_emit_stack_adjust, amd64_emit_int_call_1)
        (amd64_emit_void_call_2): New.
        (amd64_emit_ops): New.
        (i386_emit_prologue, i386_emit_epilogue, i386_emit_add)
        (i386_emit_sub,i386_emit_mul, i386_emit_lsh, i386_emit_rsh_signed)
        (i386_emit_rsh_unsigned, i386_emit_ext, i386_emit_log_not)
        (i386_emit_bit_and, i386_emit_bit_or, i386_emit_bit_xor)
        (i386_emit_bit_not, i386_emit_equal, i386_emit_less_signed)
        (i386_emit_less_unsigned, i386_emit_ref, i386_emit_if_goto)
        (i386_emit_goto, i386_write_goto_address, i386_emit_const)
        (i386_emit_call, i386_emit_reg, i386_emit_pop)
        (i386_emit_stack_flush, i386_emit_zero_ext, i386_emit_swap)
        (i386_emit_stack_adjust, i386_emit_int_call_1)
        (i386_emit_void_call_2): New.
        (i386_emit_ops): New.
        (x86_emit_ops): New.
        (the_low_target): Install x86_emit_ops.
        * server.h (struct emit_ops): New.
        (get_raw_reg_func_addr): Declare.
        (current_insn_ptr, emit_error): Declare.
        * tracepoint.c (get_raw_reg, get_trace_state_variable_value)
        (set_trace_state_variable_value): New defines.
        (struct ipa_sym_addresses): New fields addr_get_raw_reg,
        addr_get_trace_state_variable_value and
        addr_set_trace_state_variable_value.
        (symbol_list): New fields for get_raw_reg,
        get_trace_state_variable_value and set_trace_state_variable_value.
        (condfn): New typedef.
        (struct tracepoint): New field `compiled_cond'.
        (do_action_at_tracepoint): Clear compiled_cond.
        (get_trace_state_variable_value, set_trace_state_variable_value):
        Export in the IPA.
        (condition_true_at_tracepoint): If there's a compiled condition,
        run that.
        (current_insn_ptr, emit_error): New globals.
        (struct bytecode_address): New.
        (get_raw_reg_func_addr): New.
        (emit_prologue, emit_epilogue, emit_add, emit_sub, emit_mul)
        (emit_lsh, emit_rsh_signed, emit_rsh_unsigned, emit_ext)
        (emit_log_not, emit_bit_and, emit_bit_or, emit_bit_xor)
        (emit_bit_not, emit_equal, emit_less_signed, emit_less_unsigned)
        (emit_ref, emit_if_goto, emit_goto, write_goto_address, emit_const)
        (emit_reg, emit_pop, emit_stack_flush, emit_zero_ext, emit_swap)
        (emit_stack_adjust, emit_int_call_1, emit_void_call_2): New.
        (compile_tracepoint_condition, compile_bytecodes): New.
        * target.h (emit_ops): Forward declare.
        (struct target_ops): New field emit_ops.
        (target_emit_ops): New.
        * linux-amd64-ipa.c (gdb_agent_get_raw_reg): New.
        * linux-i386-ipa.c (gdb_agent_get_raw_reg): New.
        * linux-low.c (linux_emit_ops): New.
        (linux_target_ops): Install it.
        * linux-low.h (struct linux_target_ops): New field emit_ops.

2010-06-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-ppc-low.c (ppc_arch_setup): Use private regcache to test MSR.
        * linux-s390-low.c (ppc_arch_setup): Use private regcache to test PSW.

2010-06-01  Pedro Alves  <pedro@codesourcery.com>
            Stan Shebs  <stan@codesourcery.com>

        * Makefile.in (IPA_DEPFILES, extra_libraries): New.
        (all): Depend on $(extra_libraries).
        (install-only): Install the IPA.
        (IPA_OBJS, IPA_LIB): New.
        (clean): Remove the IPA lib.
        (IPAGENT_CFLAGS): New.
        (tracepoint-ipa.o, utils-ipa.o, remote-utils-ipa.o)
        (regcache-ipa.o, i386-linux-ipa.o, linux-i386-ipa.o)
        (linux-amd64-ipa.o, amd64-linux-ipa.o): New rules.
        * linux-amd64-ipa.c, linux-i386-ipa.c: New files.
        * configure.ac: Check for atomic builtins support in the compiler.
        (IPA_DEPFILES, extra_libraries): Define.
        * configure.srv (ipa_obj): Add description.
        (ipa_i386_linux_regobj, ipa_amd64_linux_regobj): Define.
        (i[34567]86-*-linux*): Set ipa_obj.
        (x86_64-*-linux*): Set ipa_obj.
        * linux-low.c (stabilizing_threads): New.
        (supports_fast_tracepoints): New.
        (linux_detach): Stabilize threads before detaching.
        (handle_tracepoints): Handle internal tracing breakpoints.  Assert
        the lwp is either not stabilizing, or is moving out of a jump pad.
        (linux_fast_tracepoint_collecting): New.
        (maybe_move_out_of_jump_pad): New.
        (enqueue_one_deferred_signal): New.
        (dequeue_one_deferred_signal): New.
        (linux_wait_for_event_1): If moving out of a jump pad, defer
        pending signals to later.
        (linux_stabilize_threads): New.
        (linux_wait_1): Check if threads need moving out of jump pads, and
        do it if so.
        (stuck_in_jump_pad_callback): New.
        (move_out_of_jump_pad_callback): New.
        (lwp_running): New.
        (linux_resume_one_lwp): Handle moving out of jump pads.
        (linux_set_resume_request): Dequeue deferred signals.
        (need_step_over_p): Also step over fast tracepoint jumps.
        (start_step_over): Also uninsert fast tracepoint jumps.
        (finish_step_over): Also reinsert fast tracepoint jumps.
        (linux_install_fast_tracepoint_jump): New.
        (linux_target_ops): Install linux_stabilize_threads and
        linux_install_fast_tracepoint_jump_pad.
        * linux-low.h (linux_target_ops) <get_thread_area,
        install_fast_tracepoint_jump_pad>: New fields.
        (struct lwp_info) <collecting_fast_tracepoint,
        pending_signals_to_report, exit_jump_pad_bkpt>: New fields.
        (linux_get_thread_area): Declare.
        * linux-x86-low.c (jump_insn): New.
        (x86_get_thread_area): New.
        (append_insns): New.
        (push_opcode): New.
        (amd64_install_fast_tracepoint_jump_pad): New.
        (i386_install_fast_tracepoint_jump_pad): New.
        (x86_install_fast_tracepoint_jump_pad): New.
        (the_low_target): Install x86_get_thread_area and
        x86_install_fast_tracepoint_jump_pad.
        * mem-break.c (set_raw_breakpoint_at): Use read_inferior_memory.
        (struct fast_tracepoint_jump): New.
        (fast_tracepoint_jump_insn): New.
        (fast_tracepoint_jump_shadow): New.
        (find_fast_tracepoint_jump_at): New.
        (fast_tracepoint_jump_here): New.
        (delete_fast_tracepoint_jump): New.
        (set_fast_tracepoint_jump): New.
        (uninsert_fast_tracepoint_jumps_at): New.
        (reinsert_fast_tracepoint_jumps_at): New.
        (set_breakpoint_at): Use write_inferior_memory.
        (uninsert_raw_breakpoint): Use write_inferior_memory.
        (check_mem_read): Mask out fast tracepoint jumps.
        (check_mem_write): Mask out fast tracepoint jumps.
        * mem-break.h (struct fast_tracepoint_jump): Forward declare.
        (set_fast_tracepoint_jump): Declare.
        (delete_fast_tracepoint_jump)
        (fast_tracepoint_jump_here, uninsert_fast_tracepoint_jumps_at)
        (reinsert_fast_tracepoint_jumps_at): Declare.
        * regcache.c: Don't compile many functions when building the
        in-process agent library.
        (init_register_cache) [IN_PROCESS_AGENT]: Don't allow allocating
        the register buffer in the heap.
        (free_register_cache): If the register buffer isn't owned by the
        regcache, don't free it.
        (set_register_cache) [IN_PROCESS_AGENT]: Don't re-alocate
        pre-existing register caches.
        * remote-utils.c (convert_int_to_ascii): Constify `from' parameter
        type.
        (convert_ascii_to_int): : Constify `from' parameter type.
        (decode_M_packet, decode_X_packet): Replace the `to' parameter by
        a `to_p' pointer to pointer parameter.  If TO_P is NULL, malloc
        the needed buffer in-place.
        (relocate_instruction): New.
        * server.c (handle_query) <qSymbols>: If the target supports
        tracepoints, give it a chance of looking up symbols.  Report
        support for fast tracepoints.
        (handle_status): Stabilize threads.
        (process_serial_event): Adjust.
        * server.h (struct fast_tracepoint_jump): Forward declare.
        (struct process_info) <fast_tracepoint_jumps>: New field.
        (convert_ascii_to_int, convert_int_to_ascii): Adjust.
        (decode_X_packet, decode_M_packet): Adjust.
        (relocate_instruction): Declare.
        (in_process_agent_loaded): Declare.
        (tracepoint_look_up_symbols): Declare.
        (struct fast_tpoint_collect_status): Declare.
        (fast_tracepoint_collecting): Declare.
        (force_unlock_trace_buffer): Declare.
        (handle_tracepoint_bkpts): Declare.
        (initialize_low_tracepoint)
        (supply_fast_tracepoint_registers) [IN_PROCESS_AGENT]: Declare.
        * target.h (struct target_ops) <stabilize_threads,
        install_fast_tracepoint_jump_pad>: New fields.
        (stabilize_threads, install_fast_tracepoint_jump_pad): New.
        * tracepoint.c [HAVE_MALLOC_H]: Include malloc.h.
        [HAVE_STDINT_H]: Include stdint.h.
        (trace_debug_1): Rename to ...
        (trace_vdebug): ... this.
        (trace_debug): Rename to ...
        (trace_debug_1): ... this.  Add `level' parameter.
        (trace_debug): New.
        (ATTR_USED, ATTR_NOINLINE): New.
        (IP_AGENT_EXPORT): New.
        (gdb_tp_heap_buffer, gdb_jump_pad_buffer, gdb_jump_pad_buffer_end)
        (collecting, gdb_collect, stop_tracing, flush_trace_buffer)
        (about_to_request_buffer_space, trace_buffer_is_full)
        (stopping_tracepoint, expr_eval_result, error_tracepoint)
        (tracepoints, tracing, trace_buffer_ctrl, trace_buffer_ctrl_curr)
        (trace_buffer_lo, trace_buffer_hi, traceframe_read_count)
        (traceframe_write_count, traceframes_created)
        (trace_state_variables)
        New renaming defines.
        (struct ipa_sym_addresses): New.
        (STRINGIZE_1, STRINGIZE, IPA_SYM): New.
        (symbol_list): New.
        (ipa_sym_addrs): New.
        (all_tracepoint_symbols_looked_up): New.
        (in_process_agent_loaded): New.
        (write_e_ipa_not_loaded): New.
        (maybe_write_ipa_not_loaded): New.
        (tracepoint_look_up_symbols): New.
        (debug_threads) [IN_PROCESS_AGENT]: New.
        (read_inferior_memory) [IN_PROCESS_AGENT]: New.
        (UNKNOWN_SIDE_EFFECTS): New.
        (stop_tracing): New.
        (flush_trace_buffer): New.
        (stop_tracing_bkpt): New.
        (flush_trace_buffer_bkpt): New.
        (read_inferior_integer): New.
        (read_inferior_uinteger): New.
        (read_inferior_data_pointer): New.
        (write_inferior_data_pointer): New.
        (write_inferior_integer): New.
        (write_inferior_uinteger): New.
        (struct collect_static_trace_data_action): Delete.
        (enum tracepoint_type): New.
        (struct tracepoint) <type>: New field `type'.
        <actions_str, step_actions, step_actions_str>: Only include in GDBserver.
        <orig_size, obj_addr_on_target, adjusted_insn_addr>
        <adjusted_insn_addr_end, jump_pad, jump_pad_end>: New fields.
        (tracepoints): Use IP_AGENT_EXPORT.
        (last_tracepoint): Don't include in the IPA.
        (stopping_tracepoint): Use IP_AGENT_EXPORT.
        (trace_buffer_is_full): Use IP_AGENT_EXPORT.
        (alloced_trace_state_variables): New.
        (trace_state_variables): Use IP_AGENT_EXPORT.
        (traceframe_t): Delete unused variable.
        (circular_trace_buffer): Don't include in the IPA.
        (trace_buffer_start): Delete.
        (struct trace_buffer_control): New.
        (trace_buffer_free): Delete.
        (struct ipa_trace_buffer_control): New.
        (GDBSERVER_FLUSH_COUNT_MASK, GDBSERVER_FLUSH_COUNT_MASK_PREV)
        (GDBSERVER_FLUSH_COUNT_MASK_CURR, GDBSERVER_UPDATED_FLUSH_COUNT_BIT):
        New.
        (trace_buffer_ctrl): New.
        (TRACE_BUFFER_CTRL_CURR): New.
        (trace_buffer_start, trace_buffer_free, trace_buffer_end_free):
        Reimplement as macros.
        (trace_buffer_wrap): Delete.
        (traceframe_write_count, traceframe_read_count)
        (traceframes_created, tracing): Use IP_AGENT_EXPORT.
        (struct tracepoint_hit_ctx) <type>: New field.
        (struct fast_tracepoint_ctx): New.
        (memory_barrier): New.
        (cmpxchg): New.
        (record_tracepoint_error): Update atomically in the IPA.
        (clear_inferior_trace_buffer): New.
        (about_to_request_buffer_space): New.
        (trace_buffer_alloc): Handle GDBserver and inferior simulatenous
        updating the same buffer.
        (add_tracepoint): Default the tracepoint's type to trap
        tracepoint, and orig_size to -1.
        (get_trace_state_variable) [IN_PROCESS_AGENT]: Handle allocated
        internal variables.
        (create_trace_state_variable): New parameter `gdb'.  Handle it.
        (clear_installed_tracepoints): Clear fast tracepoint jumps.
        (cmd_qtdp): Handle fast tracepoints.
        (cmd_qtdv): Adjust.
        (max_jump_pad_size): New.
        (gdb_jump_pad_head): New.
        (get_jump_space_head): New.
        (claim_jump_space): New.
        (sort_tracepoints): New.
        (MAX_JUMP_SIZE): New.
        (cmd_qtstart): Handle fast tracepoints.  Sync tracepoints with the
        IPA.
        (stop_tracing) [IN_PROCESS_AGENT]: Don't include the tdisconnected
        support.  Upload fast traceframes, and delete internal IPA
        breakpoints.
        (stop_tracing_handler): New.
        (flush_trace_buffer_handler): New.
        (cmd_qtstop): Upload fast tracepoints.
        (response_tracepoint): Handle fast tracepoints.
        (tracepoint_finished_step): Upload fast traceframes.  Set the
        tracepoint hit context's tracepoint type.
        (handle_tracepoint_bkpts): New.
        (tracepoint_was_hit): Set the tracepoint hit context's tracepoint
        type.  Add comment about fast tracepoints.
        (collect_data_at_tracepoint) [IN_PROCESS_AGENT]: Don't access the
        non-existing action_str field.
        (get_context_regcache): Handle fast tracepoints.
        (do_action_at_tracepoint) [!IN_PROCESS_AGENT]: Don't write the PC
        to the regcache.
        (fast_tracepoint_from_jump_pad_address): New.
        (fast_tracepoint_from_ipa_tpoint_address): New.
        (collecting_t): New.
        (force_unlock_trace_buffer): New.
        (fast_tracepoint_collecting): New.
        (collecting): New.
        (gdb_collect): New.
        (write_inferior_data_ptr): New.
        (target_tp_heap): New.
        (target_malloc): New.
        (download_agent_expr): New.
        (UALIGN): New.
        (download_tracepoints): New.
        (download_trace_state_variables): New.
        (upload_fast_traceframes): New.
        (IPA_FIRST_TRACEFRAME): New.
        (IPA_NEXT_TRACEFRAME_1): New.
        (IPA_NEXT_TRACEFRAME): New.
        [IN_PROCESS_AGENT]: Include sys/mman.h and fcntl.h.
        [IN_PROCESS_AGENT] (gdb_tp_heap_buffer, gdb_jump_pad_buffer)
        (gdb_jump_pad_buffer_end): New.
        [IN_PROCESS_AGENT] (initialize_tracepoint_ftlib): New.
        (initialize_tracepoint): Adjust.
        [IN_PROCESS_AGENT]: Allocate the IPA heap, and jump pad scratch
        buffer.  Initialize the low module.
        * utils.c (PREFIX, TOOLNAME): New.
        (malloc_failure): Use PREFIX.
        (error): In the IPA, an error causes an exit.
        (fatal, warning): Use PREFIX.
        (internal_error): Use TOOLNAME.
        (NUMCELLS): Increase to 10.
        * configure, config.in: Regenerate.

2010-06-01  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_query) <qSupported>: Do two passes over the
        qSupported string to avoid nesting strtok.

2010-05-28  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * Makefile.in (SFILES): Add $(srcdir)/proc-service.list.
        (CDEPS): New.
        * configure.ac (RDYNAMIC): New AC_MSG_CHECKING wrapping.  Test also
        -Wl,--dynamic-list.
        * configure: Regenerate.
        * proc-service.list: New.

2010-05-28  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * linux-low.c (linux_core_of_thread): Fix crash on invalid CONTENT.
        New comment.

2010-05-26  Ozkan Sezer  <sezeroz@gmail.com>

        * gdbreplay.c (remote_open): Check error return from socket() call by
        its equality to -1 not by it being negative.
        * remote-utils.c (remote_open): Likewise.

2010-05-23  Pedro Alves  <pedro@codesourcery.com>

        * config.h: Regenerate.

2010-05-19  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * linux-m68k-low.c (ps_get_thread_area): Don't define if kernel
        doesn't provide PTRACE_GET_THREAD_AREA.

2010-05-19  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * linux-m68k-low.c: Include <asm/ptrace.h>
        (ps_get_thread_area): Implement.

2010-05-03  Doug Evans  <dje@google.com>

        * event-loop.c (struct callback_event): New struct.
        (callback_list): New global.
        (append_callback_event, delete_callback_event): New functions.
        (process_callback): New function.
        (start_event_loop): Call it.
        * remote-utils.c (NOT_SCHEDULED): Define.
        (readchar_buf, readchar_bufcnt, readchar_bufp): New static globals,
        moved out of readchar.
        (readchar): Rewrite.  Call reschedule before returning.
        (reset_readchar): New function.
        (remote_close): Call it.
        (process_remaining, reschedule): New functions.
        * server.h (callback_handler_func): New typedef.
        (append_callback_event, delete_callback_event): Declare.

2010-05-03  Pedro Alves  <pedro@codesourcery.com>

        * proc-service.c (ps_pglobal_lookup): Use
        thread_db_look_up_one_symbol.
        * remote-utils.c (look_up_one_symbol): Add new `may_ask_gdb'
        parameter.  Use it instead of all_symbols_looked_up.
        * server.h (struct process_info) <all_symbols_looked_up>: Delete
        field.
        (all_symbols_looked_up): Don't declare.
        (look_up_one_symbol): Add new `may_ask_gdb' parameter.
        * thread-db.c (struct thread_db) <all_symbols_looked_up>: New
        field.
        (thread_db_look_up_symbols): Adjust call to look_up_one_symbol.
        Set all_symbols_looked_up here.
        (thread_db_look_up_one_symbol): New.
        (thread_db_get_tls_address): Adjust.
        (thread_db_load_search, try_thread_db_load_1): Always allocate the
        thread_db object on the heap, and tentatively set it in the
        process structure.
        (thread_db_init): Don't set all_symbols_looked_up here.
        * linux-low.h (thread_db_look_up_one_symbol): Declare.

2010-05-03  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_kill, linux_detach): Adjust.
        (status_pending_p_callback): Remove redundant statement.  Check
        for !TARGET_WAITIKIND_IGNORE, instead of
        TARGET_WAITKIND_STOPPED.
        (handle_tracepoints): Make sure LWP is locked.  Adjust.
        (linux_wait_for_event_1): Adjust.
        (linux_cancel_breakpoints): New.
        (unsuspend_one_lwp): New.
        (unsuspend_all_lwps): New.
        (linux_wait_1): If finishing a step-over, unsuspend all lwps.
        (send_sigstop_callback): Change return type to int, add new
        `except' parameter and handle it.
        (suspend_and_send_sigstop_callback): New.
        (stop_all_lwps): Add new `suspend' and `expect' parameters, and
        pass them down.  If SUSPEND, also increment the lwp's suspend
        count.
        (linux_resume_one_lwp): Add notice about resuming a suspended LWP.
        (need_step_over_p): Don't consider suspended LWPs.
        (start_step_over): Adjust.
        (proceed_one_lwp): Change return type to int, add new `except'
        parameter and handle it.
        (unsuspend_and_proceed_one_lwp): New.
        (proceed_all_lwps): Use find_inferior instead of
        for_each_inferior.
        (unstop_all_lwps): Add `unsuspend' parameter.  If UNSUSPEND, them
        also decrement the suspend count of LWPs.  Pass `except' down,
        instead of hacking its suspend count.
        (linux_pause_all): Add `freeze' parameter.  Adjust.
        (linux_unpause_all): New.
        (linux_target_ops): Install linux_unpause_all.
        * server.c (handle_status): Adjust.
        * target.h (struct target_ops): New fields `unpause_all' and
        `cancel_breakpoints'.  Add new parameter to `pause_all'.
        (pause_all): Add new `freeze' parameter.
        (unpause_all): New.
        (cancel_breakpoints): New.
        * tracepoint.c (clear_installed_tracepoints): Pause threads, and
        cancel breakpoints.
        (cmd_qtstart): Pause threads.
        (stop_tracing): Pause threads, and cancel breakpoints.
        * win32-low.c (win32_target_ops): Adjust.

2010-05-03  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_wait_for_event_1): Move passing the signal to
        the inferior right away from here...
        (linux_wait_1): ... to here, and adjust to check the thread's
        last_resume_kind instead of the lwp's step or stop_expected flags.

2010-05-02  Pedro Alves  <pedro@codesourcery.com>

        * README: Use consistent `GDB' and `GDBserver' spellings.

2010-05-02  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_kill_one_lwp): Assume the lwp is stopped.
        (linux_kill): Stop all lwps here.  Don't delete the main lwp here.
        (linux_detach_one_lwp): Assume the lwp is stopped.
        (any_thread_of): Delete.
        (linux_detach): Stop all lwps here.  Don't blindly delete all
        breakpoints.
        (delete_lwp_callback): New.
        (linux_mourn): Delete all lwps of the process that is gone.
        (linux_wait_1): Don't delete the last lwp of the process here.
        * mem-break.h (mark_breakpoints_out): Declare.
        * mem-break.c (mark_breakpoints_out): New.
        (free_all_breakpoints): Use it.
        * server.c (handle_target_event): If the process is gone, mark
        breakpoints out.
        * thread-db.c (struct thread_db) <create_bp>: New field.
        (thread_db_enable_reporting): Fix prototype.  Store a thread event
        breakpoint reference in the thread_db struct.
        (thread_db_load_search): Clear the thread_db object.
        (try_thread_db_load_1): Ditto.
        (switch_to_process): New.
        (disable_thread_event_reporting): Use it.
        (remove_thread_event_breakpoints): New.
        (thread_db_detach, thread_db_mourn): Use it.

2010-05-01  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_enable_event_reporting): New.
        (linux_wait_for_event_1, handle_extended_wait): Use it.

2010-04-30  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_kill_one_lwp, linux_kill)
        (linux_detach_one_lwp): Adjust to send_sigstop interface change.
        (send_sigstop): Take an lwp_info as parameter instead.  Queue a
        SIGSTOP even if the LWP is stopped.
        (send_sigstop_callback): New.
        (stop_all_lwps): Use send_sigstop_callback instead.
        (linux_resume_one_thread): Adjust.
        (proceed_one_lwp): Still proceed an LWP that the client has
        requested to stop, if we haven't reported it as stopped yet.  Make
        sure that LWPs the client want stopped, have a pending SIGSTOP.

2010-04-26  Doug Evans  <dje@google.com>

        * server.c (handle_general_set): Make static.

        * remote-utils.c (putpkt_binary_1): Call readchar instead of read.
        Print received char after testing for error/eof instead of before.
        (input_interrupt): Tweak comment.

2010-04-23  Doug Evans  <dje@google.com>

        * server.c (start_inferior): Print inferior argv if --debug.

2010-04-21  Aleksandar Ristovski  <aristovski@qnx.com>

        * Makefile.in (nto_low_h nto-low.o nto-x86-low.o): New dependency lists.
        * nto-x86-low.c: Include server.h

2010-04-20  Pierre Muller  <muller@ics.u-strasbg.fr>

        * win32-i386-low.c: Use __x86_64__ macro instead of __x86_64 to
        be consistent with other sources of this directory.
        (init_registers_amd64): Correct name of source file of this function
        in the comment.

2010-04-19  Pierre Muller  <muller@ics.u-strasbg.fr>

        * configure.srv (x86_64-*-mingw*): New configuration for Windows
        64-bit executables.

2010-04-19  Pierre Muller  <muller@ics.u-strasbg.fr>

        * win32-i386-low.c: Add 64-bit support.
        (CONTEXT_EXTENDED_REGISTERS): Set macro to zero if not exisiting.
        (init_registers_amd64): Declare.
        (mappings): Add 64-bit version of array.
        (init_windows_x86): New function.
        (the_low_target): Change init_arch field to init_windows_x86.

2010-04-19  Pierre Muller  <muller@ics.u-strasbg.fr>

        * win32-low.c: Adapt to support also 64-bit architecture.
        (child_xfer_memory): Use uintptr_t type for local variable `addr'.
        (get_image_name): Use SIZE_T type for local variable `done'.
        (psapi_get_dll_name): Use LPVOID type for parameter `BaseAddress'.
        (toolhelp_get_dll_name): Idem.
        (handle_load_dll): Use CORE_ADDR type for local variable `load_addr'.
        Use uintptr_t typecast to avoid warning.
        (handle_unload_dll): Use uintptr_t typecast to avoid warning.
        (handle_exception): Use phex_nz to avoid warning.
        (win32_wait): Remove unused local variable `process'.

2010-04-19  Pierre Muller  <muller@ics.u-strasbg.fr>

        * configure.srv (srv_amd64_regobj): Replace `x86-64-avx.o' by
        `amd64-avx.o'.

2010-04-17  Pierre Muller  <muller@ics.u-strasbg.fr>

        * configure.ac: Use `ws2_32' library for srv_mingw.
        * configure: Regenerate.
        * gdbreplay.c: Include winsock2.h instead of winsock.h.
        * remote-utils.c: Likewise.

2010-04-17  H.J. Lu  <hongjiu.lu@intel.com>

        * linux-x86-low.c (xmltarget_amd64_linux_no_xml): Define only
        if __x86_64__ is defined.

2010-04-16  Pierre Muller  <muller@ics.u-strasbg.fr>

        * configure: Regenerate.

2010-04-16  Pierre Muller  <muller@ics.u-strasbg.fr>

        * server.c (handle_query): Handle 'qGetTIBAddr' query.
        * target.h (target_ops): New get_tib_address field.
        * win32-low.h (win32_thread_info): Add thread_local_base field.
        * win32-low.c (child_add_thread): Add tlb argument.
        Set thread_local_base field to TLB.
        (get_child_debug_event): Adapt to child_add_thread change.
        (win32_get_tib_address): New function.
        (win32_target_ops): Set get_tib_address field to
        win32_get_tib_address.
        * linux-low.c (linux_target_ops): Set get_tib_address field to NULL.

2010-04-12  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_mourn): Also remove the process.
        * server.c (handle_target_event): Don't remove the process here.
        * nto-low.c (nto_mourn): New.
        (nto_target_ops): Install it.
        * spu-low.c (spu_mourn): New.
        (spu_target_ops): Install it.
        * win32-low.c (win32_mourn): New.
        (win32_target_ops): Install it.

2010-04-12  Pedro Alves  <pedro@codesourcery.com>

        * server.h (buffer_xml_printf): Remove redundant `;'.

2010-04-12  Pedro Alves  <pedro@codesourcery.com>

        * regcache.c (set_register_cache): Invalidate regcaches before
        changing the register cache layout.
        (regcache_invalidate_one): Allow a NULL regcache.
        * linux-x86-low.c (x86_linux_update_xmltarget): Invalidate
        regcaches before changing the register cache layout or the target
        regsets.

2010-04-12  H.J. Lu  <hongjiu.lu@intel.com>

        * linux-x86-low.c (x86_linux_update_xmltarget): Avoid unused
        variable warning on Linux/x86-64.

2010-04-11  Pedro Alves  <pedro@codesourcery.com>

        GDBserver disconnected tracing support.

        * linux-low.c (linux_remove_process): Delete.
        (add_lwp): Don't set last_resume_kind here.
        (linux_kill): Use `mourn'.
        (linux_detach): Use `thread_db_detach', and `mourn'.
        (linux_mourn): New.
        (linux_attach_lwp_1): Adjust comment.
        (linux_attach): last_resume_kind moved the thread_info; adjust.
        (status_pending_p_callback): Adjust.
        (linux_wait_for_event_1): Adjust.
        (count_events_callback, select_singlestep_lwp_callback)
        (select_event_lwp_callback, cancel_breakpoints_callback)
        (db_wants_lwp_stopped, linux_wait_1, need_step_over_p)
        (proceed_one_lwp): Adjust.
        (linux_async): Add debug output.
        (linux_thread_stopped): New.
        (linux_pause_all): New.
        (linux_target_ops): Install linux_mourn, linux_thread_stopped and
        linux_pause_all.
        * linux-low.h (struct lwp_info): Delete last_resume_kind field.
        (thread_db_free): Delete declaration.
        (thread_db_detach, thread_db_mourn): Declare.
        * thread-db.c (thread_db_init): Use thread_db_mourn.
        (thread_db_free): Delete, split in two.
        (disable_thread_event_reporting): New.
        (thread_db_detach): New.
        (thread_db_mourn): New.

        * server.h (struct thread_info) <last_resume_kind>: New field.
        <attached>: Add comment.
        <gdb_detached>: New field.
        (handler_func): Change return type to int.
        (handle_serial_event, handle_target_event): Ditto.
        (gdb_connected): Declare.
        (tracing): Delete.
        (disconnected_tracing): Declare.
        (stop_tracing): Declare.

        * server.c (handle_query) <qSupported>: Report support for
        disconnected tracing.
        (queue_stop_reply_callback): Account for running threads.
        (gdb_wants_thread_stopped): New.
        (gdb_wants_all_threads_stopped): New.
        (gdb_reattached_process): New.
        (handle_status): Clear the `gdb_detached' flag of all processes.
        In all-stop, stop all threads.
        (main): Be sure to leave tfind mode.  Handle disconnected tracing.
        (process_serial_event): If the remote connection breaks, or if an
        exit was forced with "monitor exit", force an event loop exit.
        Handle disconnected tracing on detach.
        (handle_serial_event): Adjust.
        (handle_target_event): If GDB isn't connected, forward events back
        to the inferior, unless the last process exited, in which case,
        exit gdbserver.  Adjust interface.

        * remote-utils.c (remote_open): Don't block in accept.  Instead
        register an event loop source on the listen socket file
        descriptor.  Refactor bits into ...
        (listen_desc): ... this new global.
        (gdb_connected): ... this new function.
        (enable_async_notification): ... this new function.
        (handle_accept_event): ... this new function.
        (remote_close): Clear remote_desc.

        * inferiors.c (add_thread): Set the new thread's last_resume_kind.

        * target.h (struct target_ops) <mourn, thread_stopped, pause_all>:
        New fields.
        (mourn_inferior): Define.
        (target_process_qsupported): Avoid the dangling else problem.
        (thread_stopped): Define.
        (pause_all): Define.
        (target_waitstatus_to_string): Declare.
        * target.c (target_waitstatus_to_string): New.

        * tracepoint.c (tracing): Make extern.
        (disconnected_tracing): New.
        (stop_tracing): Make extern.  Handle tracing stops due to GDB
        disconnecting.
        (cmd_qtdisconnected): New.
        (cmd_qtstatus): Report disconnected tracing status in trace reply.
        (handle_tracepoint_general_set): Handle QTDisconnected.

        * event-loop.c (event_handler_func): Change return type to int.
        (process_event): Bail out if the event handler wants the event
        loop to stop.
        (handle_file_event): Ditto.
        (start_event_loop): Bail out if the event handler wants the event
        loop to stop.

        * nto-low.c (nto_target_ops): Adjust.
        * spu-low.c (spu_wait): Don't remove the process here.
        (spu_target_ops): Adjust.
        * win32-low.c (win32_wait): Don't remove the process here.
        (win32_target_ops): Adjust.

2010-04-11  Pedro Alves  <pedro@codesourcery.com>

        * regcache.c (realloc_register_cache): Invalidate inferior's
        regcache before recreating it.

2010-04-09  Pedro Alves  <pedro@codesourcery.com>

        * tracepoint.c (cmd_qtstatus): Report trace buffer circularity.

2010-04-09  Stan Shebs  <stan@codesourcery.com>
            Pedro Alves  <pedro@codesourcery.com>

        * server.h (LONGEST): New.
        (struct thread_info) <while_stepping>: New field.
        (unpack_varlen_hex, xrealloc, pulongest, plongest, phex_nz):
        Declare.
        (initialize_tracepoint, handle_tracepoint_general_set)
        (handle_tracepoint_query, tracepoint_finished_step)
        (tracepoint_was_hit, release_while_stepping_state_list):
        (current_traceframe): Declare.
        * server.c (handle_general_set): Handle tracepoint packets.
        (read_memory): New.
        (write_memory): New.
        (handle_search_memory_1): Use read_memory.
        (handle_query): Report support for conditional tracepoints, trace
        state variables, and tracepoint sources.  Handle tracepoint
        queries.
        (main): Initialize the tracepoints module.
        (process_serial_event): Handle traceframe reads/writes.

        * linux-low.c (handle_tracepoints): New.
        (linux_wait_1): Call it.
        (linux_resume_one_lwp): Handle while-stepping.
        (linux_supports_tracepoints, linux_read_pc, linux_write_pc): New.
        (linux_target_ops): Install them.
        * linux-low.h (struct linux_target_ops) <supports_tracepoints>:
        New field.
        * linux-x86-low.c (x86_supports_tracepoints): New.
        (the_low_target). Install it.

        * mem-break.h (delete_breakpoint): Declare.
        * mem-break.c (delete_breakpoint): Make external.

        * target.h (struct target_ops): Add `supports_tracepoints',
        `read_pc', and `write_pc' fields.
        (target_supports_tracepoints): Define.
        * utils.c (xrealloc, decimal2str, pulongest, plongest, thirty_two)
        (phex_nz): New.

        * regcache.h (struct regcache) <registers_owned>: New field.
        (init_register_cache, regcache_cpy): Declare.
        (regcache_read_pc, regcache_write_pc): Declare.
        (register_cache_size): Declare.
        (supply_regblock): Declare.
        * regcache.c (init_register_cache): New.
        (new_register_cache): Use it.
        (regcache_cpy): New.
        (register_cache_size): New.
        (supply_regblock): New.
        (regcache_read_pc, regcache_write_pc): New.
        
        * tracepoint.c: New.

        * Makefile.in (OBS): Add tracepoint.o.
        (tracepoint.o): New rule.

2010-04-08  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (clean): Also remove i386-mmx.c i386-mmx-linux.c.
        (i386-mmx.o): New.
        (i386-mmx.c): Likewise.
        (i386-mmx-linux.o): Likewise.
        (i386-mmx-linux.c): Likewise.

        * configure.srv (srv_i386_regobj): Add i386-mmx.o.
        (srv_i386_linux_regobj): Add i386-mmx-linux.o.
        (srv_i386_xmlfiles): Add i386/i386-mmx.xml.
        (srv_i386_linux_xmlfiles): Add i386/i386-mmx-linux.xml.

        * linux-x86-low.c (init_registers_i386_mmx_linux): New.
        (x86_linux_update_xmltarget): Call init_registers_i386_mmx_linux
        and return if ptrace PTRACE_GETFPXREGS failed in 32bit.

2010-04-07  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (clean): Updated.
        (i386-avx.o): New.
        (i386-avx.c): Likewise.
        (i386-avx-linux.o): Likewise.
        (i386-avx-linux.c): Likewise.
        (amd64-avx.o): Likewise.
        (amd64-avx.c): Likewise.
        (amd64-avx-linux.o): Likewise.
        (amd64-avx-linux.c): Likewise.

        * configure.srv (srv_i386_regobj): Add i386-avx.o.
        (srv_i386_linux_regobj): Add i386-avx-linux.o.
        (srv_amd64_regobj): Add amd64-avx.o.
        (srv_amd64_linux_regobj): Add amd64-avx-linux.o.
        (srv_i386_32bit_xmlfiles): Add i386/32bit-avx.xml.
        (srv_i386_64bit_xmlfiles): Add i386/64bit-avx.xml.
        (srv_i386_xmlfiles): Add i386/i386-avx.xml.
        (srv_amd64_xmlfiles): Add i386/amd64-avx.xml.
        (srv_i386_linux_xmlfiles): Add i386/i386-avx-linux.xml.
        (srv_amd64_linux_xmlfiles): Add i386/amd64-avx-linux.xml.

        * i387-fp.c: Include "i386-xstate.h".
        (i387_xsave): New.
        (i387_cache_to_xsave): Likewise.
        (i387_xsave_to_cache): Likewise.
        (x86_xcr0): Likewise.

        * i387-fp.h (i387_cache_to_xsave): Likewise.
        (i387_xsave_to_cache): Likewise.
        (x86_xcr0): Likewise.

        * linux-arm-low.c (target_regsets): Initialize nt_type to 0.
        * linux-crisv32-low.c (target_regsets): Likewise.
        * linux-m68k-low.c (target_regsets): Likewise.
        * linux-mips-low.c (target_regsets): Likewise.
        * linux-ppc-low.c (target_regsets): Likewise.
        * linux-s390-low.c (target_regsets): Likewise.
        * linux-sh-low.c (target_regsets): Likewise.
        * linux-sparc-low.c (target_regsets): Likewise.
        * linux-xtensa-low.c (target_regsets): Likewise.

        * linux-low.c: Include <sys/uio.h>.
        (regsets_fetch_inferior_registers): Support nt_type.
        (regsets_store_inferior_registers): Likewise.
        (linux_process_qsupported): New.
        (linux_target_ops): Add linux_process_qsupported.

        * linux-low.h (regset_info): Add nt_type.
        (linux_target_ops): Add process_qsupported.

        * linux-x86-low.c: Include "i386-xstate.h", "elf/common.h"
        and <sys/uio.h>.
        (init_registers_i386_avx_linux): New.
        (init_registers_amd64_avx_linux): Likewise.
        (xmltarget_i386_linux_no_xml): Likewise.
        (xmltarget_amd64_linux_no_xml): Likewise.
        (PTRACE_GETREGSET): Likewise.
        (PTRACE_SETREGSET): Likewise.
        (x86_fill_xstateregset): Likewise.
        (x86_store_xstateregset): Likewise.
        (use_xml): Likewise.
        (x86_linux_update_xmltarget): Likewise.
        (x86_linux_process_qsupported): Likewise.
        (target_regsets): Add NT_X86_XSTATE entry and Initialize nt_type.
        (x86_arch_setup): Don't call init_registers_amd64_linux nor
        init_registers_i386_linux here.  Call
        x86_linux_update_xmltarget.
        (the_low_target): Add x86_linux_process_qsupported.

        * server.c (handle_query): Call target_process_qsupported.

        * target.h (target_ops): Add process_qsupported.
        (target_process_qsupported): New.

2010-04-03  Pedro Alves  <pedro@codesourcery.com>

        * inferiors.c (add_thread): Set last_status kind to
        TARGET_WAITKIND_IGNORE.
        * linux-low.c (cancel_breakpoint): Remove unnecessary regcache
        fetch.  Use ptid_of.  Avoid unnecessary get_lwp_thread calls.
        (linux_wait_1): Move `thread' local definition to block that uses
        it.  Don't NULL initialize `event_child'.
        (linux_resume_one_thread): Avoid unnecessary get_lwp_thread calls.
        Alway set the thread's last_status to TARGET_WAITKIND_IGNORE.
        * linux-x86-low.c (x86_breakpoint_at): Read raw memory.

2010-04-01  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (get_stop_pc): Don't adjust the PC if stopped with
        an extended waitstatus, or by a watchpoint.
        (cancel_breakpoints_callback): Don't cancel a breakpoint if the
        thread was stepping or has been stopped by a watchpoint.

2010-04-01  Pedro Alves  <pedro@codesourcery.com>

        * mem-break.c (struct raw_breakpoint): New field shlib_disabled.
        (set_gdb_breakpoint_at): If GDB is inserting a breakpoint on top
        of another, then delete the previous, and validate all
        breakpoints.
        (validate_inserted_breakpoint): New.
        (delete_disabled_breakpoints): New.
        (validate_breakpoints): New.
        (check_mem_read): Validate breakpoints before trusting their
        shadow.  Delete disabled breakpoints.
        (check_mem_write): Validate breakpoints before trusting they
        should be inserted.  Delete disabled breakpoints.
        * mem-break.h (validate_breakpoints):
        * server.c (handle_query): Validate breakpoints when we see a
        qSymbol query.

2010-04-01  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_wait_1): Avoid setting need_step_over is
        there's a GDB breakpoint at stop_pc.  Always report a trap to GDB
        if we could tell there's a GDB breakpoint at stop_pc.
        (need_step_over_p): Don't do a step over if we find a GDB
        breakpoint at the resume PC.

        * mem-break.c (struct raw_breakpoint): New.
        (enum bkpt_type): New type `gdb_breakpoint'.
        (struct breakpoint): Delete the `PC', `old_data' and `inserted'
        fields.  New field `raw'.
        (find_raw_breakpoint_at): New.
        (set_raw_breakpoint_at): Handle refcounting.  Create a raw
        breakpoint instead.
        (set_breakpoint_at): Adjust.
        (delete_raw_breakpoint): New.
        (release_breakpoint): New.
        (delete_breakpoint): Rename to...
        (delete_breakpoint_1): ... this.  Add proc parameter.  Use
        release_breakpoint.  Return ENOENT.
        (delete_breakpoint): Reimplement.
        (find_breakpoint_at): Delete.
        (find_gdb_breakpoint_at): New.
        (delete_breakpoint_at): Delete.
        (set_gdb_breakpoint_at): New.
        (delete_gdb_breakpoint_at): New.
        (gdb_breakpoint_here): New.
        (set_reinsert_breakpoint): Use release_breakpoint.
        (uninsert_breakpoint): Rename to ...
        (uninsert_raw_breakpoint): ... this.
        (uninsert_breakpoints_at): Adjust to handle raw breakpoints.
        (reinsert_raw_breakpoint): Change parameter type to
        raw_breakpoint.
        (reinsert_breakpoints_at): Adjust to handle raw breakpoints
        instead.
        (check_breakpoints): Adjust.  Use release_breakpoint.
        (breakpoint_here): Rewrite using find_raw_breakpoint_at.
        (breakpoint_inserted_here): Ditto.
        (check_mem_read): Adjust to iterate over raw breakpoints instead.
        Don't trust the breakpoint's shadow if it is not inserted.
        (check_mem_write): Adjust to iterate over raw breakpoints instead.
        (delete_all_breakpoints): Adjust.
        (free_all_breakpoints): Mark all breakpoints as uninserted, and
        use delete_breakpoint_1.

        * mem-break.h (breakpoints_supported): Delete declaration.
        (set_gdb_breakpoint_at): Declare.
        (gdb_breakpoint_here): Declare.
        (delete_breakpoint_at): Delete.
        (delete_gdb_breakpoint_at): Declare.

        * server.h (struct raw_breakpoint): Forward declare.
        (struct process_info): New field `raw_breakpoints'.

        * linux-x86-low.c (x86_insert_point, x86_remote_point): Handle Z0
        breakpoints.

2010-03-24  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (status_pending_p_callback): Fix comment.
        (linux_wait_for_event_1): Move most of the internal breakpoint
        handling from here...
        (linux_wait_1): ... to here.
        (count_events_callback): New.
        (select_singlestep_lwp_callback): New.
        (select_event_lwp_callback): New.
        (cancel_breakpoints_callback): New.
        (select_event_lwp): New.
        (linux_wait_1): Simplify internal breakpoint handling.  Give equal
        priority to all LWPs that have had events that should be reported
        to the client.  Cancel breakpoints when about to reporting the
        event to the client, not while stopping lwps.  No longer cancel
        finished single-steps here.
        (cancel_finished_single_step): Delete.
        (cancel_finished_single_steps): Delete.

2010-03-24  Pedro Alves  <pedro@codesourcery.com>

        * mem-break.c (enum bkpt_type): New.
        (struct breakpoint): New field `type'.
        (set_breakpoint_at): Change return type to struct breakpoint
        pointer.  Set type to `other_breakpoint' by default.
        (delete_breakpoint): Rewrite, supporting more than one breakpoint
        in the breakpoint list.
        (delete_reinsert_breakpoints): Only delete reinsert breakpoints.
        (reinsert_breakpoint): Rename to ...
        (reinsert_raw_breakpoint): ... this.
        (reinsert_breakpoints_at): Adjust.
        * mem-break.h (struct breakpoint): Declare.
        (set_breakpoint_at): Change return type to struct breakpoint
        pointer.

2010-03-24  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_query): Assign, not compare.

2010-03-24  Pedro Alves  <pedro@codesourcery.com>

        Teach linux gdbserver to step-over-breakpoints.

        * linux-low.c (can_hardware_single_step): New.
        (supports_breakpoints): New.
        (handle_extended_wait): If stopping threads, read the stop pc of
        the new cloned LWP.
        (get_pc): New.
        (get_stop_pc): Add `lwp' parameter.  Handle it.  Bail out if the
        low target doesn't support retrieving the PC.
        (add_lwp): Set last_resume_kind to resume_continue.
        (linux_attach_lwp_1): Adjust comments.  Always set stop_expected.
        (linux_attach): Don't clear stop_expected.  Set the lwp's
        last_resume_kind to resume_stop.
        (linux_detach_one_lwp): Don't check for removed breakpoints.
        (check_removed_breakpoint): Delete.
        (status_pending_p): Rename to ...
        (status_pending_p_callback): ... this.  Don't check for removed
        breakpoints.  Don't consider threads that are stopped from GDB's
        perspective.
        (linux_wait_for_lwp): Always read the stop_pc here.
        (cancel_breakpoint): New.
        (step_over_bkpt): New global.
        (linux_wait_for_event_1): Implement stepping over breakpoints.
        (gdb_wants_lwp_stopped): New.
        (gdb_wants_all_stopped): New.
        (linux_wait_1): Tag threads as gdb-wants-stopped.  Cancel finished
        single-step traps here.  Store the thread's last reported target
        wait status.
        (send_sigstop): Don't clear stop_expected.  Always set it,
        instead.
        (mark_lwp_dead): Remove reference to pending_is_breakpoint.
        (cancel_finished_single_step): New.
        (cancel_finished_single_steps): New.
        (wait_for_sigstop): Don't cancel finished single-step traps here.
        (linux_resume_one_lwp): Don't check for removed breakpoints.
        Don't set `step' on non-hardware step archs.
        (linux_set_resume_request): Ignore resume_stop requests if already
        stopping or stopped.  Set the lwp's last_resume_kind.
        (resume_status_pending_p): Don't check for removed breakpoints.
        (need_step_over_p): New.
        (start_step_over): New.
        (finish_step_over): New.
        (linux_resume_one_thread): Always queue a sigstop for resume_stop
        requests.  Clear the thread's last reported target waitstatus.
        Don't use the `suspended' flag.  Don't consider pending breakpoints.
        (linux_resume): Start a step-over if necessary.
        (proceed_one_lwp): New.
        (proceed_all_lwps): New.
        (unstop_all_lwps): New.
        * linux-low.h (struct lwp_info): Rewrite comment for the
        `suspended' flag.  Add the `stop_pc' field.  Delete the
        `pending_stop_pc' field.  Tweak the `stepping' flag's comment.
        Add `'last_resume_kind' and `need_step_over' fields.
        * inferiors.c (struct thread_info): Delete, moved elsewhere.
        * mem-break.c (struct breakpoint): Delete `reinserting' flag.
        Delete `breakpoint_to_reinsert' field.  New flag `inserted'.
        (set_raw_breakpoint_at): New.
        (set_breakpoint_at): Rewrite to use it.
        (reinsert_breakpoint_handler): Delete.
        (set_reinsert_breakpoint): New.
        (reinsert_breakpoint_by_bp): Delete.
        (delete_reinsert_breakpoints): New.
        (uninsert_breakpoint): Rewrite.
        (uninsert_breakpoints_at): New.
        (reinsert_breakpoint): Rewrite.
        (reinsert_breakpoints_at): New.
        (check_breakpoints): Rewrite.
        (breakpoint_here): New.
        (breakpoint_inserted_here): New.
        (check_mem_read): Adjust.
        * mem-break.h (breakpoints_supported, breakpoint_here)
        (breakpoint_inserted_here, set_reinsert_breakpoint): Declare.
        (reinsert_breakpoint_by_bp): Delete declaration.
        (delete_reinsert_breakpoints): Declare.
        (reinsert_breakpoint): Delete declaration.
        (reinsert_breakpoints_at): Declare.
        (uninsert_breakpoint): Delete declaration.
        (uninsert_breakpoints_at): Declare.
        (check_breakpoints): Adjust prototype.
        * server.h: Adjust include order.
        (struct thread_info): Declare here.  Add a `last_status' field.

2010-03-23  Michael Snyder  <msnyder@vmware.com>

        * server.c (crc32): New function.
        (handle_query): Add handling for 'qCRC:' request.

2010-03-23  Pedro Alves  <pedro@codesourcery.com>

        * linux-x86-low.c (x86_linux_prepare_to_resume): Clear DR6 if the
        lwp had been stopped by a watchpoint.

2010-03-16  Pedro Alves  <pedro@codesourcery.com>

        * server.h (internal_error): Declare.
        (gdb_assert, ASSERT_FUNCTION, gdb_assert_fail): Define.
        * utils.c (internal_error): New function.

2010-03-15  Andreas Schwab  <schwab@redhat.com>

        * configure.srv: Fix typo setting srv_regobj.

2010-03-15  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (fetch_register): Avoid passing a non string literal
        format to `error'.
        (usr_store_inferior_registers): Ditto.

2010-03-14  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_write_memory): Bail out early if peeking
        memory failed.

2010-03-14  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.h (struct lwp_info): New fields
        `stopped_by_watchpoint' and `stopped_data_address'.
        * linux-low.c (linux_wait_for_lwp): Check for watchpoint triggers
        here, and cache them in the lwp object.
        (wait_for_sigstop): Check stopped_by_watchpoint lwp field
        directly.
        (linux_resume_one_lwp): Clear the lwp's stopped_by_watchpoint
        field.
        (linux_stopped_by_watchpoint): Rewrite.
        (linux_stopped_data_address): Rewrite.

2010-03-06  Simo Melenius  <simo.melenius@iki.fi>

        * linux-low.c (linux_wait_for_lwp): Fetch the regcache after
        switching the current inferior, not before.

2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (clean): Replace reg-i386.c, reg-x86-64.c,
        reg-i386-linux.c and reg-x86-64-linux.c with i386.c, amd64.c,
        i386-linux.c and amd64-linux.c.
        (reg-i386.o): Removed.
        (reg-i386.c): Likewise.
        (reg-i386-linux.o): Likewise.
        (reg-i386-linux.c): Likewise.
        (reg-x86-64.o): Likewise.
        (reg-x86-64.c): Likewise.
        (reg-x86-64-linux.o): Likewise.
        (reg-x86-64-linux.c): Likewise.
        (i386.o): New.
        (i386.c): Likewise.
        (i386-linux.o): Likewise.
        (i386-linux.c): Likewise.
        (amd64.o): Likewise.
        (amd64.c): Likewise.
        (amd64-linux.o): Likewise.
        (amd64-linux.c): Likewise.

        * configure.srv (srv_i386_regobj): New.
        (srv_i386_linux_regobj): Likewise.
        (srv_amd64_regobj): Likewise.
        (srv_amd64_linux_regobj): Likewise.
        (srv_i386_32bit_xmlfiles): Likewise.
        (srv_i386_64bit_xmlfiles): Likewise.
        (srv_i386_xmlfiles): Likewise.
        (srv_amd64_xmlfiles): Likewise.
        (srv_i386_linux_xmlfiles): Likewise.
        (srv_amd64_linux_xmlfiles): Likewise.
        (i[34567]86-*-cygwin*): Set srv_regobj to $srv_i386_regobj.  Set
        srv_xmlfiles to $srv_i386_xmlfiles.
        (i[34567]86-*-mingw32ce*): Likewise.
        (i[34567]86-*-mingw*): Likewise.
        (i[34567]86-*-nto*): Likewise.
        (i[34567]86-*-linux*): Set srv_regobj to $srv_i386_linux_regobj
        and $srv_amd64_linux_regobj.  Set srv_xmlfiles to
        $srv_i386_linux_xmlfiles and $srv_amd64_linux_xmlfiles.
        (x86_64-*-linux*): Likewise.

        * linux-x86-low.c (init_registers_x86_64_linux): Removed.
        (init_registers_amd64_linux): New.
        (x86_arch_setup): Replace init_registers_x86_64_linux with
        init_registers_amd64_linux.

2010-02-23  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * configure.ac: Check for libdl.  If it is not available link against
        static libthread_db.
        * configure: Regenerate.

2010-02-22  Pedro Alves  <pedro@codesourcery.com>

        PR9605

        * i386-low.c (i386_length_and_rw_bits): Throw a fatal error if
        handing a read watchpoint.
        (i386_low_insert_watchpoint): Read watchpoints aren't supported.

2010-02-12  Doug Evans  <dje@google.com>

        * linux-low.c (linux_supports_tracefork_flag): Document.
        (linux_look_up_symbols): Add comment.

2010-02-03  H.J. Lu  <hongjiu.lu@intel.com>

        * regcache.c (supply_register): Clear regcache if buf is NULL.

2010-02-02  Nicolas Roche  <roche@sourceware.org>
            Joel Brobecker  <brobecker@adacore.com>

        * inferiors.c (find_inferior): Add function documentation.
        (unloaded_dll): Handle the case where the unloaded dll has not
        been previously registered in the dll list.

2010-02-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-arm-low.c (thumb_breakpoint_len): Delete.
        (thumb2_breakpoint): New.
        (arm_breakpoint_at): Check for Thumb-2 breakpoints.

2010-01-29  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (get_stop_pc): Check for SIGTRAP.
        (linux_wait_for_event_1): Handle SIGILL and SIGSEGV as possible
        breakpoints.

2010-01-21  Pedro Alves  <pedro@codesourcery.com>

        * linux-ppc-low.c (ppc_arch_setup): Adjust to regcache changes.

2010-01-21  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * linux-s390-low.c (s390_collect_ptrace_register)
        (s390_supply_ptrace_register): Adjust it for the new regcache parameter.

2010-01-21  Doug Evans  <dje@google.com>

        * linux-low.c (PTRACE_ARG3_TYPE): Change from long to void*.
        (PTRACE_ARG4_TYPE): New macro.
        (handle_extended_wait): Cast ptrace arg4 to PTRACE_ARG4_TYPE.
        (linux_wait_for_event_1, linux_resume_one_lwp): Ditto.
        (fetch_register): Cast to uintptr_t before casting to PTRACE_ARG3_TYPE.
        (usr_store_inferior_registers): Ditto.
        (linux_read_memory, linux_write_memory): Ditto.
        (linux_test_for_tracefork): Ditto.

        * linux-arm-low.c: Remove redundant include of gdb_proc_service.h.
        Only include elf.h if gdb_proc_service.h didn't include linux/elf.h.

2010-01-21  Pedro Alves  <pedro@codesourcery.com>

        * proc-service.c (ps_lgetregs): Don't refetch registers from the
        target.

2010-01-21  Pedro Alves  <pedro@codesourcery.com>

        * spu-low.c (spu_fetch_registers, spu_store_registers): Change
        prototype to take a regcache.  Adjust.

2010-01-20  Pedro Alves  <pedro@codesourcery.com>

        * regcache.h (struct thread_info): Forward declare.
        (struct regcache): New.
        (new_register_cache): Adjust prototype.
        (get_thread_regcache): Declare.
        (free_register_cache): Adjust prototype.
        (registers_to_string, registers_from_string): Ditto.
        (supply_register, supply_register_by_name, collect_register)
        (collect_register_as_string, collect_register_by_name): Ditto.
        * regcache.c (struct inferior_regcache_data): Delete.
        (get_regcache): Rename to ...
        (get_thread_regcache): ... this.  Adjust.  Switch inferior before
        fetching registers.
        (regcache_invalidate_one): Adjust.
        (regcache_invalidate): Fix prototype.
        (new_register_cache): Return the new register cache.
        (free_register_cache): Change prototype.
        (realloc_register_cache): Adjust.
        (registers_to_string): Change prototype to take a regcache.  Adjust.
        (registers_from_string): Ditto.
        (register_data): Ditto.
        (supply_register): Ditto.
        (supply_register_by_name): Ditto.
        (collect_register): Ditto.
        (collect_register_as_string): Ditto.
        (collect_register_by_name): Ditto.
        * server.c (process_serial_event): Adjust.
        * linux-low.h (regset_fill_func, regset_store_func): Change
        prototype.
        (get_pc, set_pc, collect_ptrace_register, supply_ptrace_register):
        Change prototype.
        * linux-low.c (get_stop_pc): Adjust.
        (check_removed_breakpoint): Adjust.
        (linux_wait_for_event): Adjust.
        (linux_resume_one_lwp): Adjust.
        (fetch_register): Add regcache parameter.  Adjust.
        (usr_store_inferior_registers): Ditto.
        (regsets_fetch_inferior_registers): Ditto.
        (regsets_store_inferior_registers): Ditto.
        (linux_fetch_registers, linux_store_registers): Ditto.
        * i387-fp.c (i387_cache_to_fsave): Change prototype to take a
        regcache.  Adjust.
        (i387_fsave_to_cache, i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto.
        * i387-fp.h (i387_cache_to_fsave, i387_fsave_to_cache): Change
        prototype to take a regcache.
        (i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto.
        * remote-utils.c (convert_ascii_to_int, outreg)
        (prepare_resume_reply): Change prototype to take a regcache.
        Adjust.
        * target.h (struct target_ops) <fetch_registers, store_registers>:
        Change prototype to take a regcache.
        (fetch_inferior_registers, store_inferior_registers): Change
        prototype to take a regcache.  Adjust.
        * proc-service.c (ps_lgetregs): Adjust.
        * linux-x86-low.c (x86_fill_gregset, x86_store_gregset)
        (x86_fill_fpregset, x86_store_fpregset, x86_fill_fpxregset)
        (x86_store_fpxregset, x86_get_pc, x86_set_pc): Change prototype to
        take a regcache.  Adjust.
        * linux-arm-low.c (arm_fill_gregset, arm_store_gregset)
        (arm_fill_wmmxregset, arm_store_wmmxregset, arm_fill_vfpregset)
        (arm_store_vfpregset, arm_get_pc, arm_set_pc):
        (arm_breakpoint_at): Change prototype to take a regcache.  Adjust.
        * linux-cris-low.c (cris_get_pc, cris_set_pc)
        (cris_cannot_fetch_register):
        (cris_breakpoint_at): Change prototype to take a regcache.
        Adjust.
        * linux-crisv32-low.c (cris_get_pc, cris_set_pc,
        cris_reinsert_addr, cris_write_data_breakpoint): Change prototype
        to take a regcache.  Adjust.
        (cris_breakpoint_at, cris_insert_point, cris_remove_point):
        Adjust.
        * linux-m32r-low.c (m32r_get_pc, m32r_set_pc): Change prototype to
        take a regcache.  Adjust.
        * linux-m68k-low.c (m68k_fill_gregset, m68k_store_gregset)
        (m68k_fill_fpregset, m68k_store_fpregset, m68k_get_pc,
        (m68k_set_pc): Change prototype to take a regcache.  Adjust.
        * linux-mips-low.c (mips_get_pc):
        (mips_set_pc): Change prototype to take a regcache.  Adjust.
        (mips_reinsert_addr): Adjust.
        (mips_collect_register): Change prototype to take a regcache.
        Adjust.
        (mips_supply_register):
        (mips_collect_register_32bit, mips_supply_register_32bit)
        (mips_fill_gregset, mips_store_gregset, mips_fill_fpregset)
        (mips_store_fpregset): Ditto.
        * linux-ppc-low.c (ppc_supply_ptrace_register, ppc_supply_ptrace_register):
        Ditto.
        (parse_spufs_run): Adjust.
        (ppc_get_pc, ppc_set_pc, ppc_fill_gregset, ppc_fill_vsxregset)
        (ppc_store_vsxregset, ppc_fill_vrregset, ppc_store_vrregset)
        (ppc_fill_evrregset, ppc_store_evrregset): Change prototype to
        take a regcache.  Adjust.
        * linux-s390-low.c (s390_collect_ptrace_register)
        (s390_supply_ptrace_register, s390_fill_gregset, s390_get_pc)
        (s390_set_pc): Change prototype to take a regcache.  Adjust.
        (s390_arch_setup): Adjust.
        * linux-sh-low.c (sh_get_pc, sh_breakpoint_at)
        (sh_fill_gregset): Change prototype to take a regcache.  Adjust.
        * linux-sparc-low.c (sparc_fill_gregset_to_stack)
        (sparc_fill_gregset, sparc_store_gregset_from_stack)
        (sparc_store_gregset, sparc_get_pc): Change prototype to take a
        regcache.  Adjust.
        (sparc_breakpoint_at): Adjust.
        * linux-xtensa-low.c (xtensa_fill_gregset):
        (xtensa_store_gregset):
        (xtensa_fill_xtregset, xtensa_store_xtregset, xtensa_get_pc)
        (xtensa_set_pc): Change prototype to take a regcache.  Adjust.
        * nto-low.c (nto_fetch_registers, nto_store_registers): Change
        prototype to take a regcache.  Adjust.
        * win32-arm-low.c (arm_fetch_inferior_register)
        (arm_store_inferior_register): Change prototype to take a
        regcache.  Adjust.
        * win32-i386-low.c (i386_fetch_inferior_register)
        (i386_store_inferior_register): Change prototype to take a
        regcache.  Adjust.
        * win32-low.c (child_fetch_inferior_registers)
        (child_store_inferior_registers): Change prototype to take a
        regcache.  Adjust.
        (win32_wait): Adjust.
        (win32_fetch_inferior_registers): Change prototype to take a
        regcache.  Adjust.
        (win32_store_inferior_registers): Adjust.
        * win32-low.h (struct win32_target_ops) <fetch_inferior_register,
        store_inferior_register>: Change prototype to take a regcache.

2010-01-20  Doug Evans  <dje@google.com>

        * linux-low.c (linux_create_inferior): Wrap use of __SIGRTMIN in
        #ifdef.
        (linux_wait_for_event1, linux_init_signals): Ditto.
        (W_STOPCODE): Provide definition if missing.

2010-01-13  Vladimir Prus  <vladimir@codesourcery.com>

        * linux-low.c (linux_core_of_thread): New.
        (compare_ints, show_process, list_threads): New.
        (linux_qxfer_osdata): Report threads and cores.
        (linux_target_op): Register linux_core_of_thread.
        * remote-utils.c (prepare_resume_reply): Report the core.
        (buffer_xml_printf): Support %d specifier.
        * server.c (handle_threads_qxfer_proper, handle_threads_qxfer):
        New.
        (handle_query): Handle qXfer:threads.  Announce availability
        thereof.
        * target.h (struct target_ops): New field core_of_thread.

2010-01-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * Makefile.in (clean): Remove new generated files.
        (reg-s390.o, reg-s390.c): Remove rules.
        (reg-s390x.o, reg-s390x.c): Likewise.
        (s390-linux32.o, s390-linux32.c): Add rules.
        (s390-linux64.o, s390-linux64.c): Likewise.
        (s390x-linux64.o, s390x-linux64.c): Likewise.
        * configure.srv (s390*-*-linux*): Update srv_regobj and srv_xmlfiles.
        * linux-s390-low.c: Include <elf.h>.
        (HWCAP_S390_HIGH_GPRS): Define if undefined.
        (init_registers_s390): Remove prototype.
        (init_registers_s390x): Likewise.
        (init_registers_s390_linux32): Add prototype.
        (init_registers_s390_linux64): Likewise.
        (init_registers_s390x_linux64): Likewise.
        (s390_num_regs_3264): New define.
        (s390_regmap_3264): New global variable.
        (s390_cannot_fetch_register): Remove obsolete check.
        (s390_cannot_store_register): Likewise.
        (s390_collect_ptrace_register): Handle upper/lower register halves.
        (s390_supply_ptrace_register): Likewise.
        (s390_fill_gregset): Update to register number changes.
        (s390_get_hwcap): New routine.
        (s390_arch_setup): Detect 32-bit process running on 64-bit system.
        Install appropriate regmap and register set.

2010-01-01  Joel Brobecker  <brobecker@adacore.com>

        * server.c (gdbserver_version): Update copyright year to 2010.
        * gdbreplay.c (gdbreplay_version): Likewise.

2009-12-28  Doug Evans  <dje@google.com>

        * linux-low.c: Delete inclusion of ansidecl.h, elf/common.h,
        elf/external.h.  Include <elf.h> instead but only if necessary.

2009-12-28  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_remove_process): Remove `detaching'
        parameter.  Don't release/detach from thread_db here.
        (linux_kill): Release/detach from thread_db here, ...
        (linux_detach): ... and here, before actually detaching.
        (linux_wait_1): ... and here, when a process exits.
        * thread-db.c (any_thread_of): New.
        (thread_db_free): Switch the current inferior to a thread of the
        passed in process.

2009-12-21  Doug Evans  <dje@google.com>

        * linux-x86-low.c: Delete outdated comment about Elf32_Phdr.

        * linux-low.c (kill_lwp): Use __NR_tkill instead of SYS_tkill.
        Move definition of tkill_failed to ifdef __NR_tkill to avoid gcc
        warning ifndef __NR_tkill.  Move setting of errno there too.
        Delete unnecessary resetting of errno after syscall.
        Minor comment changes to match gdb/linux-nat.c:kill_lwp.

        * configure.ac: Check for dladdr.
        * config.in: Regenerate.
        * configure: Regenerate.
        * thread-db.c (dladdr_to_soname): Only define ifdef HAVE_DLADDR.
        (try_thread_db_load): Update.

        * linux-low.c (my_waitpid): Delete unnecessary prototype.

2009-12-18  Doug Evans  <dje@google.com>

        * event-loop.c: Include unistd.h if it exists.

        * linux-low.c (my_waitpid): Move definition away from being in
        between linux_tracefork_child/linux_test_for_tracefork.

        * gdb_proc_service.h (psaddr_t): Fix type.
        * thread-db.c (thread_db_info.td_thr_tls_get_addr_p): Fix
        signature to match glibc.

2009-12-16  Doug Evans  <dje@google.com>

        * linux-low.c (linux_read_memory): Fix argument to read.

2009-11-26  Pedro Alves  <pedro@codesourcery.com>

        * win32-low.c (get_child_debug_event): On EXIT_THREAD_DEBUG_EVENT
        events, don't leave current_inferior pointing at null.

2009-11-26  Pedro Alves  <pedro@codesourcery.com>

        * win32-low.c (LOG): Delete.
        (OUTMSG): Output to stderr.
        (OUTMSG2): Conditionalize on `debug_threads' variable, instead of
        on compile time LOG macro.
        (win32_wait): Fix debug output.

2009-11-26  Pedro Alves  <pedro@codesourcery.com>

        * win32-low.c (win32_add_one_solib): If the dll name is
        "ntdll.dll", prepend the system directory to the dll path.

2009-11-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * m68k-tdep.c (m68k_gdbarch_init): Reuse previous initialization.

2009-11-17  Nathan Sidwell  <nathan@codesourcery.com>
            Vladimir Prus  <vladimir@codesourcery.com>

        * Makefile.in (reg-cf.o, reg-cf.c): New targets.
        * configure.ac: Check for __mcoldfire__ and set
        gdb_cv_m68k_is_coldfire.
        * configure.srv: Use gdb_cv_m68k_is_coldfire to select between
        reg-cf.o and reg-m68k.o.
        * configure: Regenerated.

2009-11-16  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_remove_process): Add `detaching' parameter.
        Pass it to thread_db_free.
        (linux_kill, linux_detach, linux_wait_1): Adjust to pass the
        proper `detaching' argument to linux_remove_process.
        * linux-low.h (thread_db_free): Add `detaching' parameter.
        * thread-db.c (thread_db_init): Pass false as `detaching' argument
        to thread_db_free.
        (thread_db_free): Add `detaching' parameter.  Only
        call td_ta_clear_event if detaching from process.

2009-11-12  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * thread-db.c (thread_db_free): Fix typo.

2009-11-11  Paul Pluzhnikov  <ppluzhnikov@google.com>

        PR gdb/10838
        * thread-db.c (thread_db_free): Call td_ta_clear_event.

2009-11-03  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (i[34567]86-*): Check if we're targetting x86-64
        with an i686 compiler.
        * configure.srv (i[34567]86-*-linux*): Pull in x86-64 handling if
        needed.
        * configure: Rebuilt.

2009-10-29  Sandra Loosemore  <sandra@codesourcery.com>

        PR gdb/10783

        * server.c (handle_search_memory_1): Correct read_addr initialization
        in loop for searching subsequent chunks.

2009-10-29  Paul Pluzhnikov  <ppluzhnikov@google.com>

        * configure.ac: New --with-libthread-db option.
        * thread-db.c: Allow direct dependence on libthread_db.
        (thread_db_free): Adjust.
        * config.in: Regenerate.
        * configure: Likewise.
        
2009-10-28  Paul Pluzhnikov  <ppluzhnikov@google.com>

        PR gdb/10757
        * thread-db.c (attach_thread): New function.
        (maybe_attach_thread): Return success/failure.
        (find_new_threads_callback): Adjust.
        (thread_db_find_new_threads): Loop until no new threads.        
        
2009-10-13  Pedro Alves  <pedro@codesourcery.com>

        * proc-service.c (ps_lgetregs): Formatting.

2009-10-08  Paul Pluzhnikov  <ppluzhnikov@google.com>

        * acinclude.m4: (SRV_CHECK_THREAD_DB, SRV_CHECK_TLS_GET_ADDR): Remove.
        * configure.ac: Adjust.
        * linux-low.h (struct process_info_private): Move members to struct
        thread_db.
        (thread_db_free, thread_db_handle_monitor_command): New prototype.
        * linux-low.c (linux_remove_process): Adjust.
        (linux_wait_for_event_1, linux_look_up_symbols): Likewise.
        * server.c (handle_query): Move code ...
        (handle_monitor_command): ... here. New function.
        * target.h (struct target_ops): New member.
        * thread-db.c (struct thread_db): New.
        (libthread_db_search_path): New variable.
        (thread_db_create_event, thread_db_enable_reporting)
        (find_one_thread, maybe_attach_thread, find_new_threads_callback)
        (thread_db_find_new_threads, (thread_db_get_tls_address): Adjust.
        (try_thread_db_load_1, dladdr_to_soname): New functions.
        (try_thread_db_load, thread_db_load_search): New functions.
        (thread_db_init): Search for libthread_db.
        (thread_db_free): New function.
        (thread_db_handle_monitor_command): Likewise.
        * config.in: Regenerate.
        * configure: Regenerate.
        
2009-09-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * spu-low.c (spu_kill): Wait for inferior to terminate.
        Call clear_inferiors.
        (spu_detach): Call clear_inferiors.

2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * config.in: Likewise.
        * configure: Likewise.

2009-07-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-ppc-low.c (INSTR_SC, NR_spu_run): Define.
        (parse_spufs_run): New function.
        (ppc_get_pc, ppc_set_pc): Detect and handle SPU PC.
        (ppc_breakpoint_at): Handle SPU breakpoints.

2009-07-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-low.c: Include <sys/stat.h> and <sys/vfs.h>.
        (SPUFS_MAGIC): Define.
        (spu_enumerate_spu_ids): New function.
        (linux_qxfer_spu): New function.
        (linux_target_ops): Install linux_qxfer_spu.

2009-07-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv (powerpc*-*-linux*): Add powerpc-cell32l.o
        and powerpc-cell64l.o to srv_regobj.  Add rs6000/powerpc-cell32l.xml
        and rs6000/powerpc-cell64l.xml to srv_xmlfiles.
        * Makefile.in (powerpc-cell32l.o, powerpc-cell32l.c): New rules.
        (powerpc-cell64l.o, powerpc-cell64l.c): Likewise.
        (clean): Handle powerpc-cell32l.c and powerpc-cell64l.c.
        * linux-ppc-low.c (PPC_FEATURE_CELL): Define.
        (init_registers_powerpc_cell32l): Add prototype.
        (init_registers_powerpc_cell64l): Likewise.
        (ppc_arch_setup): Detect Cell/B.E. architecture.

2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (datarootdir): New variable.

2009-07-28  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_write_memory): Update debugging output.
        * Makefile.in (clean): Add new descriptions.
        (arm-with-vfpv2.o, arm-with-vfpv2.c, arm-with-vfpv3.o)
        (arm-with-vfpv3.c, arm-with-neon.o, arm-with-neon.c): New rules.
        * configure.srv: Add new files for arm*-*-linux*.
        * linux-arm-low.c: Add new declarations.
        (PTRACE_GETVFPREGS, PTRACE_SETVFPREGS): Define if undefined.
        (arm_hwcap, HWCAP_VFP, HWCAP_IWMMXT, HWCAP_NEON, HWCAP_VFPv3)
        (HWCAP_VFPv3D16): New.
        (arm_fill_wmmxregset, arm_store_wmmxregset): Check HWCAP_IWMMXT
        instead of __IWMMXT__.
        (arm_fill_vfpregset, arm_store_vfpregset, arm_get_hwcap)
        (arm_arch_setup): New.
        (target_regsets): Remove #ifdef.  Add VFP regset.
        (the_low_target): Use arm_arch_setup.

2009-07-28  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_kill_one_lwp): Adjust kernel workaround to skip
        the main thread again.

2009-07-06  Aleksandar Ristovski  <aristovski@qnx.com>

        Adding Neutrino gdbserver.
        * configure: Regenerated.
        * configure.ac: Add case for srv_qnx and set LIBS accordingly.
        * configure.srv (i[34567]86-*-nto*): New target.
        * nto-low.c, nto-low.h, nto-x86-low.c: New files.
        * remote-utils.c [__QNX__]: Include sys/iomgr.h
        (nto_comctrl) [__QNX__]: New function.
        (enable_async_io, disable_async_io) [__QNX__]: Call nto_comctrl.

2009-07-05  Danny Backx  <dannybackx@users.sourceforge.net>

        * configure.srv (i[34567]86-*-mingw32ce*): Add i386-low.o to
        srv_tgtobj.

2009-07-04  Danny Backx  <dannybackx@users.sourceforge.net>
            Pedro Alves  <pedro@codesourcery.com>

        * win32-i386-low.c (i386_get_thread_context): Handle systems that
        don't support CONTEXT_EXTENDED_REGISTERS.
        (i386_win32_breakpoint, i386_win32_breakpoint_len): New.
        (the_low_target): Install them.
        * win32-low.c (get_child_debug_event): Handle WaitForDebugEvent
        failing with ERROR_PIPE_NOT_CONNECTED.

2009-06-30  Doug Evans  <dje@google.com>
            Pierre Muller  <muller@ics.u-strasbg.fr>

        Add h/w watchpoint support to x86-linux, win32-i386.
        * Makefile.in (SFILES): Add i386-low.c
        (i386_low_h): Define.
        (i386-low.o): Add dependencies.
        (linux-x86-low.o): Add i386-low.h dependency.
        (win32-i386-low.o): Ditto.
        * i386-low.c: New file.
        * i386-low.h: New file.
        * configure.srv (i[34567]86-*-cygwin*): Add i386-low.o to srv_tgtobj.
        (i[34567]86-*-linux*, i[34567]86-*-mingw*, x86_64-*-linux*): Ditto.
        * linux-low.c (linux_add_process): Initialize arch_private.
        (linux_remove_process): Free arch_private.
        (add_lwp): Initialize arch_private.
        (delete_lwp): Free arch_private.
        (linux_resume_one_lwp): Call the_low_target.prepare_to_resume if
        provided.
        * linux-low.h (process_info_private): New member arch_private.
        (lwp_info): New member arch_private.
        (linux_target_ops): New members new_process, new_thread,
        prepare_to_resume.
        (ptid_of): New macro.
        * linux-x86-low.c: Include stddef.h, i386-low.h.
        (arch_process_info): New struct.
        (arch_lwp_info): New struct.
        (x86_linux_dr_get, x86_linux_dr_set): New functions.
        (i386_dr_low_set_addr, i386_dr_low_set_control): New functions.
        (i386_dr_low_get_status): New function.
        (x86_insert_point, x86_remove_point): New functions.
        (x86_stopped_by_watchpoint): New function.
        (x86_stopped_data_address): New function.
        (x86_linux_new_process, x86_linux_new_thread): New functions.
        (x86_linux_prepare_to_resume): New function.
        (the_low_target): Add entries for insert_point, remove_point,
        stopped_by_watchpoint, stopped_data_address, new_process, new_thread,
        prepare_to_resume.
        * server.c (debug_hw_points): New global.
        (monitor_show_help): Document set debug-hw-points.
        (handle_query): Process "set debug-hw-points".
        * server.h (debug_hw_points): Declare.
        (paddress): Declare.
        * utils.c (NUMCELLS, CELLSIZE): New macros.
        (get_sell, xsnprintf, paddress): New functions.
        * win32-arm-low.c (the_low_target): Add entries for insert_point,
        remove_point, stopped_by_watchpoint, stopped_data_address.
        * win32-i386-low.c: Include i386-low.h.
        (debug_reg_state): Replaces dr.
        (i386_dr_low_set_addr, i386_dr_low_set_control): New functions.
        (i386_dr_low_get_status): New function.
        (i386_insert_point, i386_remove_point): New functions.
        (i386_stopped_by_watchpoint): New function.
        (i386_stopped_data_address): New function.
        (i386_initial_stuff): Update.
        (get_thread_context,set_thread_context,i386_thread_added): Update.
        (the_low_target): Add entries for insert_point,
        remove_point, stopped_by_watchpoint, stopped_data_address.
        * win32-low.c (win32_insert_watchpoint): New function.
        (win32_remove_watchpoint): New function.
        (win32_stopped_by_watchpoint): New function.
        (win32_stopped_data_address): New function.
        (win32_target_ops): Add entries for insert_watchpoint,
        remove_watchpoint, stopped_by_watchpoint, stopped_data_address.
        * win32-low.h (win32_target_ops): New members insert_point,
        remove_point, stopped_by_watchpoint, stopped_data_address.

2009-06-25  Pedro Alves  <pedro@codesourcery.com>

        * server.c (process_serial_event): Re-return unsupported, not
        error, if the type isn't recognized.  Re-allow supporting only
        insert or remove packets.  Also call require_running for
        breakpoints.  Add missing break statement to default case.  Tidy.
        * target.h (struct target_ops): Rename insert_watchpoint to
        insert_point, and remove_watchpoint to remove_point.

        * linux-low.h (struct linux_target_ops): Likewise.
        * linux-low.c (linux_insert_watchpoint): Rename to ...
        (linux_insert_point): ... this.  Adjust.
        (linux_remove_watchpoint): Rename to ...
        (linux_remove_point): ... this.  Adjust.
        (linux_target_ops): Adjust.
        * linux-crisv32-low.c (cris_insert_watchpoint): Rename to ...
        (cris_insert_point): ... this.
        (cris_remove_watchpoint): Rename to ...
        (cris_remove_point): ... this.
        (the_low_target): Adjust.

2009-06-24  Pierre Muller  <muller@ics.u-strasbg.fr>

        * server.c (handle_v_kill): Pass signal_pid to
        kill_inferior if multi_process is zero.

2009-06-23  Aleksandar Ristovski  <aristovski@qnx.com>

        * server.c (process_serial_event): Add support for Z0 and Z1 packet.
        * target.h (target_ops): Comment for *_watchpoint to make it clear
        the functions can get types '0' and '1'.

2009-06-22  Aleksandar Ristovski  <aristovski@qnx.com>

        * linux-low.c (usr_fetch_inferior_registers): Remove check for regno 0.
        * proc-service.c (ps_lgetregs): Pass -1 to fetch all registers.
        * regcache.c (get_regcache): Likewise.
        * spu-low.c (spu_fetch_registers): Remove 0 to -1 conversion.
        * win32-low.c (child_fetch_inferior_registers): Remove check for
        regno 0.

2009-06-19  Aleksandar Ristovski  <aristovski@qnx.com>
            Pedro Alves <pedro@codesourcery.com>

        * target.h (struct target_ops) <supports_multi_process>: New
        callback.
        (target_supports_multi_process): New.
        * server.c (handle_query): Even if GDB reports support, only
        enable multi-process if the target also supports it.  Report
        multi-process support only if the target backend supports it.
        * linux-low.c (linux_supports_multi_process): New function.
        (linux_target_ops): Install it as target_supports_multi_process
        callback.

2009-05-24  Doug Evans  <dje@google.com>

        Global renaming of find_thread_pid to find_thread_ptid.
        * server.h (find_thread_ptid): Renamed from find_thread_pid.
        * inferiors.c (find_thread_ptid): Renamed from find_thread_pid.
        All callers updated.

        * linux-low.c (handle_extended_wait): Use linux_resume_one_lwp
        to resume the newly created thread, don't call ptrace (PTRACE_CONT)
        directly.

        * linux-low.c (get_stop_pc): Print pc if debug_threads.
        (check_removed_breakpoint, linux_wait_for_lwp): Ditto.
        (linux_resume_one_lwp): Ditto.

2009-05-23  Doug Evans  <dje@google.com>

        * linux-low.c (linux_resume_one_lwp): Change type of first arg
        from struct inferior_list_entry * to struct lwp_info *.
        All callers updated.

2009-05-13  Doug Evans  <dje@google.com>

        * linux-x86-low.c: Don't include assert.h.
        (x86_siginfo_fixup): Use fatal, not assert.
        (x86_arch_setup): Fix comment.

2009-05-12  Doug Evans  <dje@google.com>

        Biarch support for i386/amd64 gdbserver.
        * Makefile.in (SFILES): Remove linux-i386-low.c, linux-x86-64-low.c.
        Add linux-x86-low.c.
        (linux-i386-low.o, linux-x86-64-low.o): Delete.
        (linux-x86-low.o): Add.
        * linux-x86-64-low.c: Delete.
        * linux-i386-low.c: Delete.
        * linux-x86-low.c: New file.
        * configure.srv (i?86-linux srv_tgtobj): Replace linux-i386-low.o with
        linux-x86-low.o.
        (x86_64-linux srv_tgtobj): Replace linux-x86-64-low.o with
        linux-x86-low.o.
        (x86_64-linux srv_regobj): Add reg-i386-linux.o.
        * linux-low.c: Include ansidecl.h, elf/common.h, elf/external.h.
        (linux_child_pid_to_exec_file): New function.
        (elf_64_header_p, elf_64_file_p): New functions.
        (siginfo_fixup): New function.
        (linux_xfer_siginfo): New local inf_siginfo.  Call siginfo_fixup to
        give target a chance to convert layout.
        * linux-low.h (linux_target_ops): New member siginfo_fixup.
        (linux_child_pid_to_exec_file, elf_64_file_p): Declare.

2009-05-07  Doug Evans  <dje@google.com>

        * linux-low.c (regsets_fetch_inferior_registers): Fix memory leak.
        (regsets_store_inferior_registers): Ditto.

2009-05-06  Pedro Alves  <pedro@codesourcery.com>

        PR server/10048

        * linux-low.c (must_set_ptrace_flags): Delete.
        (linux_create_inferior): Set `lwp->must_set_ptrace_flags' instead
        of the global.
        (linux_attach_lwp_1): Don't set PTRACE_SETOPTIONS here.  Set
        `lwp->must_set_ptrace_flags' instead.
        (linux_wait_for_event_1): Set ptrace options here.
        (linux_wait_1): ... not here.

2009-04-30  Doug Evans  <dje@google.com>

        * inferiors.c (started_inferior_callback): New function.
        (attached_inferior_callback): New function.
        (have_started_inferiors_p, have_attached_inferiors_p): New functions.
        * server.c (print_started_pid, print_attached_pid): New functions.
        (detach_or_kill_for_exit): New function.
        (main): Call it instead of for_each_inferior (kill_inferior_callback).
        * server.h (have_started_inferiors_p): Declare.
        (have_attached_inferiors_p): Declare.

        * inferiors.c (remove_process): Fix memory leak, free process.
        * linux-low.c (linux_remove_process): New function.
        (linux_kill): Call it instead of remove_process.
        (linux_detach, linux_wait_1): Ditto.

2009-04-19  Danny Backx  <dannybackx@users.sourceforge.net>

        * configure.srv: Add x86 Windows CE target.

2009-04-03  Ulrich Weigand  <uweigand@de.ibm.com>

        * inferiors.c (get_thread_process): Make global.
        * server.h (get_thread_process): Add prototype.
        * thread-db.c (find_one_thread): Use get_thread_process
        instead of current_process.
        (thread_db_get_tls_address): Do not crash if called when
        thread layer is not yet initialized.

2009-04-03  Ulrich Weigand  <uweigand@de.ibm.com>

        * remote-utils.c (prepare_resume_reply): Null-terminate packet.
        * spu-low.c (current_tid): Rename to ...
        (current_ptid): ... this.
        (fetch_ppc_register, fetch_ppc_memory, store_ppc_memory,
        spu_proc_xfer_spu, spu_resume, spu_request_interrupt): Use
        ptid_get_lwp (current_ptid) instead of current_tid.
        (spu_kill, spu_detach, spu_join, spu_wait): Use pid argument
        instead of current_tid.  Use find_process_pid to verify pid
        argument is valid.  Pass proper argument to remove_process.
        (spu_thread_alive): Compare current_ptid instead of current_tid.
        (spu_resume): Likewise.

2009-04-02  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (usr_store_inferior_registers): Declare local `pid'
        variable.

2009-04-01  Pedro Alves  <pedro@codesourcery.com>

        Implement the multiprocess extensions, and add linux multiprocess
        support.

        * server.h (ULONGEST): Declare.
        (struct ptid, ptid_t): New.
        (minus_one_ptid, null_ptid): Declare.
        (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp)
        (ptid_get_tid, ptid_equal, ptid_is_pid): Declare.
        (struct inferior_list_entry): Change `id' type from unsigned from
        to ptid_t.
        (struct sym_cache, struct breakpoint, struct
        process_info_private): Forward declare.
        (struct process_info): Declare.
        (current_process): Declare.
        (all_processes): Declare.
        (initialize_inferiors): Declare.
        (add_thread): Adjust to use ptid_t.
        (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto.
        (add_process, remove_process, find_thread_pid): Declare.
        (find_inferior_id): Adjust to use ptid_t.
        (cont_thread, general_thread, step_thread): Change type to ptid_t.
        (multi_process): Declare.
        (push_event): Adjust to use ptid_t.
        (read_ptid, write_ptid): Declare.
        (prepare_resume_reply): Adjust to use ptid_t.
        (clear_symbol_cache): Declare.
        * inferiors.c (all_processes): New.
        (null_ptid, minus_one_ptid): New.
        (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp)
        (ptid_get_tid, ptid_equal, ptid_is_pid): New.
        (add_thread): Change unsigned long to ptid.  Remove gdb_id
        parameter.  Adjust.
        (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid.
        (gdb_id_to_thread): Rename to ...
        (find_thread_pid): ... this.  Change unsigned long to ptid.
        (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid.
        (loaded_dll, pull_pid_from_list): Adjust.
        (add_process, remove_process, find_process_pid)
        (get_thread_process, current_process, initialize_inferiors): New.
        * target.h (struct thread_resume) <thread>: Change type to ptid_t.
        (struct target_waitstatus) <related_pid>: Ditto.
        (struct target_ops) <kill, detach>: Add `pid' argument.  Change
        return type to int.
        (struct target_ops) <join>: Add `pid' argument.
        (struct target_ops) <thread_alive>: Change pid's type to ptid_t.
        (struct target_ops) <wait>: Add `ptid' field.  Change return type
        to ptid.
        (kill_inferior, detach_inferior, join_inferior): Add `pid' argument.
        (mywait): Add `ptid' argument.  Change return type to ptid_t.
        (target_pid_to_str): Declare.
        * target.c (set_desired_inferior): Adjust to use ptids.
        (mywait): Add new `ptid' argument.  Adjust.
        (target_pid_to_str): New.
        * mem-break.h (free_all_breakpoints): Declare.
        * mem-break.c (breakpoints): Delelete.
        (set_breakpoint_at, delete_breakpoint, find_breakpoint_at)
        (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust
        to use per-process breakpoint list.
        (free_all_breakpoints): New.
        * remote-utils.c (struct sym_cache) <name>: Drop `const'.
        (symbol_cache, all_symbols_looked_up): Delete.
        (hexchars): New.
        (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one,
        read_ptid): New.
        (prepare_resume_reply): Change ptid argument's type from unsigned
        long to ptid_t.  Adjust.  Implement W;process and X;process.
        (free_sym_cache, clear_symbol_cache): New.
        (look_up_one_symbol): Adjust to per-process symbol cache.  *
        * server.c (cont_thread, general_thread, step_thread): Change type
        to ptid_t.
        (attached): Delete.
        (multi_process): New.
        (last_ptid): Change type to ptid_t.
        (struct vstop_notif) <ptid>: Change type to ptid_t.
        (queue_stop_reply, push_event): Change `ptid' argument's type to
        ptid_t.
        (discard_queued_stop_replies): Add `pid' argument.
        (start_inferior): Adjust to use ptids.  Adjust to mywait interface
        changes.  Don't reference the `attached' global.
        (attach_inferior): Adjust to mywait interface changes.
        (handle_query): Adjust to use ptids.  Parse GDB's qSupported
        features.  Handle and report "multiprocess+".  Handle
        "qAttached:PID".
        (handle_v_cont): Adjust to use ptids.  Adjust to mywait interface
        changes.
        (handle_v_kill): New.
        (handle_v_stopped): Adjust to use target_pid_to_str.
        (handle_v_requests): Allow multiple attaches and runs when
        multiprocess extensions are in effect.  Handle "vKill".
        (myresume): Adjust to use ptids.
        (queue_stop_reply_callback): Add `arg' parameter.  Handle it.
        (handle_status): Adjust to discard_queued_stop_replies interface
        change.
        (first_thread_of, kill_inferior_callback)
        (detach_or_kill_inferior_callback, join_inferiors_callback): New.
        (main): Call initialize_inferiors.  Adjust to use ptids, killing
        and detaching from all inferiors.  Handle multiprocess packet
        variants.
        * linux-low.h: Include gdb_proc_service.h.
        (struct process_info_private): New.
        (struct linux_target_ops) <pid_of>: Use ptid_get_pid.
        <lwpid_of>: Use ptid_get_lwp.
        (get_lwp_thread): Adjust.
        (struct lwp_info): Add `dead' member.
        (find_lwp_pid): Declare.
        * linux-low.c (thread_db_active): Delete.
        (new_inferior): Adjust comment.
        (inferior_pid): Delete.
        (linux_add_process): New.
        (handle_extended_wait): Adjust.
        (add_lwp): Change unsigned long to ptid.
        (linux_create_inferior): Add process to processes table.  Adjust
        to use ptids.  Don't set new_inferior here.
        (linux_attach_lwp): Rename to ...
        (linux_attach_lwp_1): ... this.  Add `initial' argument.  Handle
        it.  Adjust to use ptids.
        (linux_attach_lwp): New.
        (linux_attach): Add process to processes table.  Don't set
        new_inferior here.
        (struct counter): New.
        (second_thread_of_pid_p, last_thread_of_process_p): New.
        (linux_kill_one_lwp): Add `args' parameter.  Handle it.  Adjust to
        multiple processes.
        (linux_kill): Add `pid' argument.  Handle it.  Adjust to multiple
        processes.  Remove process from process table.
        (linux_detach_one_lwp): Add `args' parameter.  Handle it.  Adjust
        to multiple processes.
        (any_thread_of): New.
        (linux_detach): Add `pid' argument, and handle it.  Remove process
        from processes table.
        (linux_join): Add `pid' argument.  Handle it.
        (linux_thread_alive): Change unsighed long argument to ptid_t.
        Consider dead lwps as not being alive.
        (status_pending_p): Rename `dummy' argument to `arg'.  Filter out
        threads we're not interested in.
        (same_lwp, find_lwp_pid): New.
        (linux_wait_for_lwp): Change `pid' argument's type from int to
        ptid_t.  Adjust.
        (linux_wait_for_event): Rename to ...
        (linux_wait_for_event_1): ... this.  Change `pid' argument's type
        from int to ptid_t.  Adjust.
        (linux_wait_for_event): New.
        (linux_wait_1): Add `ptid' argument.  Change return type to
        ptid_t.  Adjust.  Use last_thread_of_process_p.  Remove processes
        that exit from the process table.
        (linux_wait): Add `ptid' argument.  Change return type to ptid_t.
        Adjust.
        (mark_lwp_dead): New.
        (wait_for_sigstop): Adjust to use ptids.  If a process exits while
        stopping all threads, mark its main lwp as dead.
        (linux_set_resume_request, linux_resume_one_thread): Adjust to use
        ptids.
        (fetch_register, usr_store_inferior_registers)
        (regsets_fetch_inferior_registers)
        (regsets_store_inferior_registers, linux_read_memory)
        (linux_write_memory): Inline `inferior_pid'.
        (linux_look_up_symbols): Adjust to use per-process
        `thread_db_active'.
        (linux_request_interrupt): Adjust to use ptids.
        (linux_read_auxv): Inline `inferior_pid'.
        (initialize_low): Don't reference thread_db_active.
        * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove.
        * proc-service.c (ps_lgetregs): Use find_lwp_pid.
        (ps_getpid): Return the pid of the current inferior.
        * thread-db.c (proc_handle, thread_agent): Delete.
        (thread_db_create_event, thread_db_enable_reporting): Adjust to
        per-process data.
        (find_one_thread): Change argument type to ptid_t.  Adjust to
        per-process data.
        (maybe_attach_thread): Adjust to per-process data and ptids.
        (thread_db_find_new_threads): Ditto.
        (thread_db_init): Ditto.
        * spu-low.c (spu_create_inferior, spu_attach): Add process to
        processes table.  Adjust to use ptids.
        (spu_kill, spu_detach): Adjust interface.  Remove process from
        processes table.
        (spu_join, spu_thread_alive): Adjust interface.
        (spu_wait): Adjust interface.  Remove process from processes
        table.  Adjust to use ptids.
        * win32-low.c (current_inferior_tid): Delete.
        (current_inferior_ptid): New.
        (debug_event_ptid): New.
        (thread_rec): Take a ptid.  Adjust.
        (child_add_thread): Add `pid' argument.  Adjust to use ptids.
        (child_delete_thread): Ditto.
        (do_initial_child_stuff): Add `attached' argument.  Add process to
        processes table.
        (child_fetch_inferior_registers, child_store_inferior_registers):
        Adjust.
        (win32_create_inferior): Pass 0 to do_initial_child_stuff.
        (win32_attach): Pass 1 to do_initial_child_stuff.
        (win32_kill): Adjust interface.  Remove process from processes
        table.
        (win32_detach): Ditto.
        (win32_join): Adjust interface.
        (win32_thread_alive): Take a ptid.
        (win32_resume): Adjust to use ptids.
        (get_child_debug_event): Ditto.
        (win32_wait): Adjust interface.  Remove exiting process from
        processes table.

2009-04-01  Pedro Alves  <pedro@codesourcery.com>

        Non-stop mode support.

        * server.h (non_stop): Declare.
        (gdb_client_data, handler_func): Declare.
        (delete_file_handler, add_file_handler, start_event_loop):
        Declare.
        (handle_serial_event, handle_target_event, push_event)
        (putpkt_notif): Declare.
        * target.h (enum resume_kind): New.
        (struct thread_resume): Replace `step' field by `kind' field.
        (TARGET_WNOHANG): Define.
        (struct target_ops) <wait>: Add `options' argument.
        <supports_non_stop, async, start_non_stop>: New fields.
        (target_supports_non_stop, target_async): New.
        (start_non_stop): Declare.
        (mywait): Add `options' argument.
        * target.c (mywait): Add `options' argument.  Print child exit
        notifications here.
        (start_non_stop): New.
        * server.c (non_stop, own_buf, mem_buf): New globals.
        (struct vstop_notif): New.
        (notif_queue): New global.
        (queue_stop_reply, push_event, discard_queued_stop_replies)
        (send_next_stop_reply): New.
        (start_inferior): Adjust to use resume_kind.  Adjust to mywait
        interface changes.
        (attach_inferior): In non-stop mode, don't wait for the target
        here.
        (handle_general_set): Handle QNonStop.
        (handle_query): When handling qC, return the current general
        thread, instead of the first thread of the list.
        (handle_query): If the backend supports non-stop mode, include
        QNonStop+ in the qSupported query response.
        (handle_v_cont): Adjust to use resume_kind.  Handle resume_stop
        and non-stop mode.
        (handle_v_attach, handle_v_run): Handle non-stop mode.
        (handle_v_stopped): New.
        (handle_v_requests): Report support for vCont;t.  Handle vStopped.
        (myresume): Adjust to use resume_kind.  Handle non-stop.
        (queue_stop_reply_callback): New.
        (handle_status): Handle non-stop mode.
        (main): Clear non_stop flag on reconnection.  Use the event-loop.
        Refactor serial protocol handling from here ...
        (process_serial_event): ... to this new function.  When GDB
        selects any thread, select one here.  In non-stop mode, wait until
        GDB acks all pending events before exiting.
        (handle_serial_event, handle_target_event): New.
        * remote-utils.c (remote_open): Install remote_desc in the event
        loop.
        (remote_close): Remove remote_desc from the event loop.
        (putpkt_binary): Rename to...
        (putpkt_binary_1): ... this.  Add `is_notic' argument.  Handle it.
        (putpkt_binary): New as wrapper around putpkt_binary_1.
        (putpkt_notif): New.
        (prepare_resume_reply): In non-stop mode, don't change the
        general_thread.
        * event-loop.c: New.
        * Makefile.in (OBJ): Add event-loop.o.
        (event-loop.o): New rule.

        * linux-low.h (pid_of): Moved here.
        (lwpid_of): New.
        (get_lwp_thread): Use lwpid_of.
        (struct lwp_info): Delete `lwpid' field.  Add `suspended' field.
        * linux-low.c (pid_of): Delete.
        (inferior_pid): Use lwpid_of.
        (linux_event_pipe): New.
        (target_is_async_p): New.
        (delete_lwp): New.
        (handle_extended_wait): Use lwpid_of.
        (add_lwp): Don't set lwpid field.
        (linux_attach_lwp): Adjust debug output.  Use lwpid_of.
        (linux_kill_one_lwp): If killing a running lwp, stop it first.
        Use lwpid_of.  Adjust to linux_wait_for_event interface changes.
        (linux_detach_one_lwp): If detaching from a running lwp, stop it
        first.  Adjust to linux_wait_for_event interface changes.  Use
        lwpid_of.
        (linux_detach): Don't delete the main lwp here.
        (linux_join): Use my_waitpid.  Avoid signal_pid.  Use lwpid_of.
        (status_pending_p): Don't consider explicitly suspended lwps.
        (linux_wait_for_lwp): Take an integer pid instead of a lwp_info
        pointer.  Add OPTIONS argument.  Change return type to int.  Use
        my_waitpid instead of sleeping.  Handle WNOHANG.  Use lwpid_of.
        (linux_wait_for_event): Take an integer pid instead of a lwp_info
        pointer.  Add status pointer argument.  Return a pid instead of a
        status.  Use lwpid_of.  Adjust to linux_wait_for_lwp interface
        changes.  In non-stop mode, don't switch to a random thread.
        (linux_wait): Rename to...
        (linux_wait_1): ... this.  Add target_options argument, and handle
        it.  Adjust to use resume_kind.  Use lwpid_of.  In non-stop mode,
        don't handle the continue thread.  Handle TARGET_WNOHANG.  Merge
        clean exit and signal exit code.  Don't stop all threads in
        non-stop mode.  In all-stop mode, only stop all threads when
        reporting a stop to GDB.  Handle explicit thread stop requests.
        (async_file_flush, async_file_mark): New.
        (linux_wait): New.
        (send_sigstop): Use lwpid_of.
        (wait_for_sigstop): Use lwpid_of.  Adjust to linux_wait_for_event
        interface changes.  In non-stop mode, don't switch to a random
        thread.
        (linux_resume_one_lwp): Use lwpid_of.
        (linux_continue_one_thread, linux_queue_one_thread): Merge into ...
        (linux_resume_one_thread): ... this.  Handle resume_stop.  In
        non-stop mode, don't look for pending flag in all threads.
        (resume_status_pending_p): Don't consider explicitly suspended
        threads.
        (my_waitpid): Reimplement.  Emulate __WALL.
        (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo):
        Use lwpid_of.
        (sigchld_handler, linux_supports_non_stop, linux_async)
        (linux_start_non_stop): New.
        (linux_target_ops): Register linux_supports_non_stop, linux_async
        and linux_start_non_stop.
        (initialize_low): Install SIGCHLD handler.
        * thread-db.c (thread_db_create_event, find_one_thread)
        (thread_db_get_tls_address): Use lwpid_of.
        * win32-low.c (win32_detach): Adjust to use resume_kind.
        (win32_wait): Add `options' argument.
        * spu-low.c (spu_resume): Adjust to use resume_kind.
        (spu_wait): Add `options' argument.

2009-04-01  Pedro Alves  <pedro@codesourcery.com>

        Decouple target code from remote protocol.

        * target.h (enum target_waitkind): New.
        (struct target_waitstatus): New.
        (struct target_ops) <wait>: Return an unsigned long.  Take a
        target_waitstatus pointer instead of a char pointer.
        (mywait): Likewise.
        * target.c (mywait): Change prototype to return an unsigned long.
        Take a target_waitstatus pointer instead of a char pointer.  Adjust.
        * server.h (thread_from_wait, old_thread_from_wait): Delete
        declarations.
        (prepare_resume_reply): Change prototype to take a
        target_waitstatus.
        * server.c (thread_from_wait, old_thread_from_wait): Delete.
        (last_status, last_ptid): New.
        (start_inferior): Remove "statusptr" argument.  Adjust.  Return a
        pid instead of a signal.
        (attach_inferior): Remove "status" and "signal" parameters.
        Adjust.
        (handle_query): For qGetTLSAddr, parse the thread id with strtol,
        not as an address.
        (handle_v_cont, handle_v_attach, handle_v_run, handle_v_kill)
        (handle_v_requests, myresume): Remove "status" and "signal"
        parameters.  Adjust.
        (handle_status): New.
        (main): Delete local `status'.  Adjust.
        * remote-utils.c: Include target.h.
        (prepare_resume_reply): Change prototype to take a
        target_waitstatus.  Adjust.

        * linux-low.c (linux_wait): Adjust to new target_ops->wait
        interface.
        * spu-low.c (spu_wait): Adjust.
        * win32-low.c (enum target_waitkind, struct target_waitstatus):
        Delete.
        (win32_wait): Adjust.

2009-04-01  Pedro Alves  <pedro@codesourcery.com>

        * target.h (struct thread_resume): Delete leave_stopped member.
        (struct target_ops): Add a `n' argument to the `resume' callback.
        * server.c (start_inferior): Adjust.
        (handle_v_cont, myresume): Adjust.
        * linux-low.c (check_removed_breakpoint): Adjust to resume
        interface change, and to removed leave_stopped field.
        (resume_ptr): Delete.
        (struct thread_resume_array): New.
        (linux_set_resume_request): Add new `arg' parameter.  Adjust to
        resume interface change.
        (linux_continue_one_thread, linux_queue_one_thread)
        (resume_status_pending_p): Check if the resume field is NULL
        instead of checking the leave_stopped member.
        (linux_resume): Adjust to the target resume interface change.
        * spu-low.c (spu_resume): Adjust to the target resume interface
        change.
        * win32-low.c (win32_detach, win32_resume): Ditto.

2009-04-01  Pedro Alves  <pedro@codesourcery.com>

        * linux-low.c (linux_wait_for_event): Don't clear the `stepping'
        flag.
        (wait_for_sigstop): Don't leave a finished single-step SIGTRAP
        pending.
        (linux_continue_one_thread): Only preserve the stepping flag if
        there's a pending breakpoint.

2009-03-31  Pedro Alves  <pedro@codesourcery.com>

        * server.c (main): After the inferior having exited, call
        remote_close before exiting gdbserver.

2009-03-25  Thiago Jung Bauermann  <bauerman@br.ibm.com>

        Fix size of FPSCR in Power 7 processors.
        * linux-ppc-low.c (PPC_FEATURE_ARCH_2_05): Remove #define.
        (PPC_FEATURE_HAS_DFP): New #define.
        (ppc_arch_setup): Check for DFP feature instead of ISA 2.05 to decide on
        size of the FPSCR.

2009-03-23  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_query) Whitespace and formatting.

2009-03-22  Pedro Alves  <pedro@codesourcery.com>

        * i387-fp.c, linux-arm-low.c, linux-cris-low.c,
        linux-crisv32-low.c, linux-i386-low.c, linux-low.c,
        linux-mips-low.c, linux-s390-low.c, linux-sparc-low.c,
        linux-x86-64-low.c, linux-xtensa-low.c, proc-service.c,
        regcache.c, remote-utils.c, server.c, spu-low.c, target.h,
        thread-db.c, win32-low.c, xtensa-xtregs.c, gdbreplay.c,
        Makefile.in, configure.ac: Fix whitespace throughout.
        * configure: Regenerate.

2009-03-22  Pedro Alves  <pedro@codesourcery.com>

        * inferiors.c (find_inferior): Make it safe for the callback
        function to delete the currently iterated inferior.

2009-03-22  Pedro Alves  <pedro@codesourcery.com>

        * Makefile.in (linuw_low_h): Move higher.
        (thread-db.o): Depend on $(linux_low_h).

2009-03-17  Pedro Alves  <pedro@codesourcery.com>

        Rename "process" to "lwp" throughout.

        * linux-low.c (all_processes): Rename to...
        (all_lwps): ... this.
        (inferior_pid, handle_extended_wait, get_stop_pc): Adjust.
        (add_process): Rename to ...
        (add_lwp): ... this.  Adjust.
        (linux_create_inferior): Adjust.
        (linux_attach_lwp): Adjust.
        (linux_attach): Adjust.
        (linux_kill_one_process): Rename to ...
        (linux_kill_one_lwp): ... this.  Adjust.
        (linux_kill): Adjust.
        (linux_detach_one_process): Rename to ...
        (linux_detach_one_lwp): ... this.  Adjust.
        (linux_detach): Adjust.
        (check_removed_breakpoint): Adjust.
        (status_pending_p): Adjust.
        (linux_wait_for_process): Rename to ...
        (linux_wait_for_lwp): ... this.  Adjust.
        (linux_wait_for_event): Adjust.
        (send_sigstop): Adjust.
        (wait_for_sigstop): Adjust.
        (stop_all_processes): Rename to ...
        (stop_all_lwps): ... this.
        (linux_resume_one_process): Rename to ...
        (linux_resume_one_lwp): ... this.  Adjust.
        (linux_set_resume_request, linux_continue_one_thread)
        (linux_queue_one_thread, resume_status_pending_p)
        (usr_store_inferior_registers, regsets_store_inferior_registers)
        (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo):
        Adjust.
        * linux-low.h (get_process): Rename to ...
        (get_lwp): ... this.  Adjust.
        (get_thread_process): Rename to ...
        (get_thread_lwp): ... this.  Adjust.
        (get_process_thread): Rename to ...
        (get_lwp_thread): ... this.  Adjust.
        (struct process_info): Rename to ...
        (struct lwp_info): ... this.
        (all_processes): Rename to ...
        (all_lwps): ... this.
        * proc-service.c (ps_lgetregs): Adjust.
        * thread-db.c (thread_db_create_event, find_one_thread)
        (maybe_attach_thread, thread_db_get_tls_address): Adjust.

2009-03-14  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_query): Handle "qAttached".

2009-03-13  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in, hostio-errno.c, errno.c, xtensa-xtregs.c: Change to
        GPLv3, update license URL.

2009-03-01  Doug Evans  <dje@google.com>

        * Makefile.in (INCLUDE_CFLAGS): Add -I$(srcdir)/../common.
        (server_h): Add gdb_signals.h.
        (signals.o): Update.
        * server.h (target_signal_from_host,target_signal_to_host_p)
        (target_signal_to_host,target_signal_to_name): Moved to gdb_signals.h.

2009-02-14  Pierre Muller  <muller@ics.u-strasbg.fr>

        * remote-utils.c (getpkt): Also generate remote-debug
        information if noack_mode is set.

2009-02-06  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_query): Report qXfer:siginfo:read and
        qXfer:siginfo:write as supported and handle them.
        * target.h (struct target_ops) <qxfer_siginfo>: New field.
        * linux-low.c (linux_xfer_siginfo): New.
        (linux_target_ops): Set it.

2009-01-26  Pedro Alves  <pedro@codesourcery.com>

        * server.c (gdbserver_usage): Mention --remote-debug.
        (main): Accept '--remote-debug' switch.

2009-01-18  Doug Evans  <dje@google.com>

        * regcache.c (new_register_cache): No need to check result of xcalloc.
        * server.c (handle_search_memory): Back out calls to xmalloc,
        result is checked and error is returned to user upon failure.
        (handle_query): Ditto.  Add more checks for result of malloc.
        (handle_v_cont): Check result of malloc, report error back to
        user upon failure.
        (handle_v_run): Ditto.  Call freeargv.
        * server.h (freeargv): Declare.
        * utils.c (freeargv): New fn.

2009-01-15  Doug Evans  <dje@google.com>

        * gdbreplay.c (perror_with_name): Make arg const char *.
        * server.h (target_signal_to_name): Make return type const char *.
        * thread-db.c (thread_db_err_str): Make return type const char *.
        * utils.c (perror_with_name): Make arg const char *.

2009-01-14  Pedro Alves  <pedro@codesourcery.com>

        * win32-low.c (get_child_debug_event): Issue a final DBG_CONTINUE
        when handling a EXIT_PROCESS_DEBUG_EVENT.

2009-01-06  Joel Brobecker  <brobecker@adacore.com>

        * gdbreplay.c (gdbreplay_version): Update copyright year.
        * server.c (gdbserver_version): Likewise.

2009-01-05  Doug Evans  <dje@google.com>

        * linux-low.c (linux_attach_lwp): Add some comments/fixmes.
        (handle_extended_wait): Improve comment.

2008-12-13  Doug Evans  <dje@google.com>

        * utils.c (xmalloc,xcalloc,xstrdup): New fns.
        * server.h (ATTR_MALLOC): New macro.
        (xmalloc,xcalloc,xstrdup): Declare.
        * hostio.c: Replace malloc,calloc,strdup with xmalloc,xcalloc,xstrdup.
        * inferiors.c: Ditto.
        * linux-low.c: Ditto.
        * mem-break.c: Ditto.
        * regcache.c: Ditto.
        * remote-utils.c: Ditto.
        * server.c: Ditto.
        * target.c: Ditto.
        * win32-low.c: Ditto.

2008-12-12  Doug Evans  <dje@google.com>

        * linux-low.c (linux_wait_for_process): Don't clobber current_inferior
        in debugging printf.

        * linux-low.c (handle_extended_wait): Simplify, use my_waitpid.

2008-12-09  Doug Evans  <dje@google.com>

        * linux-low.h (struct process_info): Delete member tid, unused.
        * thread-db.c (find_one_thread): Update.
        (maybe_attach_thread): Update.

2008-12-02  Pedro Alves  <pedro@codesourcery.com>

        * target.h (struct target_ops): Add qxfer_osdata member.
        * linux-low.c: Include ctype.h and pwd.h and sys/types.h
        and dirent.h.
        (linux_qxfer_osdata): New functions.
        (linux_target_ops): Register linux_qxfer_osdata as qxfer_osdata
        callback.
        * server.c (handle_query): Handle "qXfer:osdata:read:".
        * remote-utils.c (buffer_grow, buffer_free, buffer_init, buffer_finish)
        (buffer_xml_printf): New functions.
        * server.h (struct buffer): New.
        (buffer_grow_str, buffer_grow_str0): New macros.
        (buffer_grow, buffer_free, buffer_init, buffer_finish)
        (buffer_xml_printf): Declare.

2008-11-24  Doug Evans  <dje@google.com>

        * Makefile.in (VERSION,DIST,LINT,LINTFLAGS): Delete, unused.

2008-11-24  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (handle_v_run): Always use the supplied argument list.

2008-11-19  Bob Wilson  <bob.wilson@acm.org>
        
        * xtensa-xtregs.c (XTENSA_ELF_XTREG_SIZE): Change to 4.
        (xtensa_regmap_table): Add entry for scompare1.
        
2008-11-18  Thiago Jung Bauermann  <bauerman@br.ibm.com>

        * Makefile.in (powerpc-isa205-32l.o, powerpc-isa205-32l.c,
        powerpc-isa205-altivec32l.o, powerpc-isa205-altivec32l.c,
        powerpc-isa205-vsx32l.o, powerpc-isa205-vsx32l.c,
        powerpc-isa205-64l.o, powerpc-isa205-64l.c,
        powerpc-isa205-altivec64l.o, powerpc-isa205-altivec64l.c,
        powerpc-isa205-vsx64l.o, powerpc-isa205-vsx64l.c): New targets.
        * configure.srv (powerpc*-*-linux*): Add ISA 2.05 object files and
        XML target descriptions.
        * linux-ppc-low.c (ppc_arch_setup): Init registers with 64-bit FPSCR
        when inferior is running on an ISA 2.05 or later processor.  Add
        special case to return offset for full 64-bit slot of FPSCR when
        in 32-bits.

2008-11-14  Daniel Gutson  <dgutson@codesourcery.com>

        * Makefile.in (SFILES, clean): Added sparc64 files.
        (reg-sparc64.o, reg-sparc64.c): New.
        * configure.srv (sparc*-*-linux*): New configuration.
        * linux-low.c (regsets_fetch_inferior_registers): Swap ptrace
        syscall arguments for SPARC.
        (regsets_store_inferior_registers): Likewise.
        * linux-sparc-low.c: New file.

2008-10-21  Doug Evans  <dje@google.com>

        * Makefile.in (BFD_DIR,BFD,BFD_SRC,BFD_CFLAGS): Delete.
        (READLINE_DIR,READLINE_DEP): Delete.
        (INTERNAL_CFLAGS): Update.
        (LINTFLAGS): Update.

2008-10-10  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_v_run): If GDB didn't specify an argv, use the
        whole argv from the last run, not just argv[0].

2008-09-08  Pedro Alves  <pedro@codesourcery.com>

        * regcache.c (new_register_cache): Return NULL if the register
        cache size isn't known yet.
        (free_register_cache): Avoid dereferencing a NULL regcache.

2008-09-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.srv: Merge MIPS and MIPS64.

2008-08-24  Maciej W. Rozycki  <macro@linux-mips.org>

        * Makefile.in (uninstall): Apply $(EXEEXT) too.

2008-08-18  Luis Machado  <luisgpm@br.ibm.com>

        * Makefile.in: Add required vsx dependencies.

        * linux-ppc-low: Define PPC_FEATURE_HAS_VSX.
        Declare init_registers_powerpc_vsx32l.
        Declare init_registers_powerpc_vsx64l.
        Define PTRACE_GETVSXREGS and PTRACE_SETVSXREGS.
        (ppc_arch_setup): Check for VSX in hwcap.
        (ppc_fill_vsxregset): New function.
        (ppc_store_vsxregset): New function.
        Add new VSX entry in regset_info target_regsets.

        * configure.srv: Add new VSX dependencies.

2008-08-12  Pedro Alves  <pedro@codesourcery.com>

        * remote-utils.c (noack_mode, transport_is_reliable): New globals.
        (remote_open): Set or clear transport_is_reliable.
        (putpkt_binary): Don't expect acks in noack mode.
        (getpkt): Don't send ack/nac in noack mode.
        * server.c (handle_general_set): Handle QStartNoAckMode.
        (handle_query): If connected by tcp pass QStartNoAckMode+ in
        qSupported.
        (main): Reset noack_mode on every connection.
        * server.h (noack_mode): Declare.

2008-08-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (GDBREPLAY_OBS): New variable.
        (gdbreplay$(EXEEXT)): Use it to avoid unportable $^.

2008-08-05  Ulrich Weigand  <uweigand@de.ibm.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_resume_one_process): Ignore ESRCH.
        (usr_store_inferior_registers): Likewise.
        (regsets_store_inferior_registers): Likewise.

2008-07-31  Rolf Jansen  <rj@surtec.com>
            Pedro Alves  <pedro@codesourcery.com>

        * configure.ac: Check for memmem declaration.
        * server.c [HAVE_MALLOC_H]: Include malloc.h.
        (disable_packet_vCont, disable_packet_Tthread, disable_packet_qC)
        (disable_packet_qfThreadInfo): Unconditionally compile.
        * server.h [!HAVE_DECL_MEMMEM]: Declare memmem.
        * configure, config.in: Regenerate.

2008-07-28  Doug Kwan  <dougkwan@google.com>

        * linux-low.c (sys/dir.h, sys/user.h): Remove includes.
        (linux_write_memory): Remove declaration of errno.

2008-07-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-low.c (handle_extended_wait): Do not use "status"
        variable uninitialized.

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

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

2008-06-27  Pedro Alves  <pedro@codesourcery.com>

        * 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.

2008-06-20  Carlos O'Donell  <carlos@codesourcery.com>

        * server.c (gdbserver_usage): Mention --version.

2008-06-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (gdbreplay.o): New rule.

2008-06-06  Joseph Myers  <joseph@codesourcery.com>

        * gdbreplay.c (gdbreplay_version): Say gdbreplay in version
        message, not gdbserver.

2008-06-05  Vladimir Prus  <vladimir@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * acinclude.m4: Include ../../config/acx.m4.
        * configure.ac: Use ACX_PKGVERSION and ACX_BUGURL.
        * configure, config.in: Regenerate.
        * Makefile.in (gdbreplay$(EXEEXT)): Add version.o.
        * server.c (gdbserver_version): Print PKGVERSION.
        (gdbsrever_usage): Add stream parameter.  Print REPORT_BUGS_TO.
        (main): Adjust gdbserver_usage calls.
        * gdbreplay.c (version, host_name): Add declarations.
        (gdbreplay_version, gdbreplay_usage): New.
        (main): Accept --version and --help options.

2008-06-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-arm-low.c (thumb_breakpoint, thumb_breakpoint_len): New.
        (arm_breakpoint_at): Handle Thumb.
        (the_low_target): Add comment.

2008-05-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-ppc-low.c (ppc_collect_ptrace_register): Clear buffer.

2008-05-09  Doug Evans  <dje@google.com>

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

2008-05-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * 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.

2008-05-03  Ulrich Weigand  <uweigand@de.ibm.com>

        * 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.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * acinclude.m4: Add override.m4.
        * configure: Regenerate.

2008-04-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-ppc-low.c (ppc_arch_setup): Reset ppc_hwcap after the
        initial call to init_register_ppc64.

2008-04-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv (powerpc64-*-linux*, powerpc-*-linux*): Merge into single
        powerpc*-*-linux* case.
        (s390-*-linux*, s390x-*-linux*): Merge into single s390*-*-linux* case.

2008-04-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv [powerpc64-*-linux*]: Remove powerpc-e500.o from
        srv_regobj.  Remove rs6000/powerpc-e500.xml and rs6000/power-spe.xml    
        from reg_xmlfiles.
        * linux-ppc-low.c: Include <elf.h>.
        (PPC_FEATURE_HAS_ALTIVEC, PPC_FEATURE_HAS_SPE): Define.
        (ppc_hwcap): New global variable.
        (ppc_regmap): Remove __SPE__ #ifdef sections.
        (ppc_regmap_e500): New global variable.
        (ppc_cannot_store_register): Update __SPE__ special case.
        (ppc_get_hwcap): New function.
        (ppc_arch_setup): Use it to determine whether inferior supports
        AltiVec or SPE registers.  Set the_low_target.regmap if appropriate.
        (ppc_fill_vrregset, ppc_store_vrregset): Define unconditionally.
        Do not access registers if target does not support AltiVec.
        (ppc_fill_evrregset, ppc_store_evrregset): Define unconditionally.
        Do not access registers if target does not support SPE.
        (target_regsets): Unconditionally include AltiVec and SPE regsets.

2008-04-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (disabled_regsets, num_regsets): New.
        (use_regsets_p): Delete.
        (linux_wait_for_process): Clear disabled_regsets.
        (regsets_fetch_inferior_registers): Check and set it.
        (regsets_store_inferior_registers): Likewise.
        (linux_fetch_registers, linux_store_registers): Do not use
        use_regsets_p.
        (initialize_low): Allocate disabled_regsets.

2008-04-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (LIBOBJS): New.
        (OBS): Use LIBOBJS.
        (memmem.o): New rule.
        * configure.ac: Use AC_CONFIG_LIBOBJ_DIR and check for memmem.
        * configure: Regenerated.

2008-04-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * server.c (handle_query): Never return "unsupported" for
        qXfer:features:read queries.

2008-03-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * server.c (get_features_xml): Fix inverted condition.
        (handle_query): Always support qXfer:feature:read.

2008-03-10  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (wrapper_argv): New.
        (start_inferior): Handle wrapper_argv.  If set, expect an extra
        trap.
        (gdbserver_usage): Document --wrapper.
        (main): Parse --wrapper.

2008-02-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv [powerpc64-*-linux*]: Add all files mentioned for
        powerpc-*-linux* to srv_regobj and reg_xmlfiles.
        * linux-ppc-low.c (ppc_get_pc): Support bi-arch operation.
        (ppc_set_pc): Likewise.
        (ppc_arch_setup): New function.
        (ppc_fill_gregset): Call ppc_collect_ptrace_register instead
        of collect_register.
        (the_low_target): Use ppc_arch_setup as arch_setup initializer. 

2008-02-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv [powerpc64-*-linux*]: Use linux-ppc-low.o
        instead of linux-ppc64-low.o.
        * linux-ppc64-low.c: Remove file.
        * Makefile.in (SFILES): Remove linux-ppc64-low.c.
        (linux-ppc64-low.o): Remove rule.

        * linux-ppc-low.c (init_registers_ppc64): Add prototype.
        (init_registers_powerpc_64): Likewise.
        (ppc_regmap): Conditionally define depending on __powerpc64__.
        (ppc_cannot_store_register): Do not special-case "fpscr" when
        compiled on __powerpc64__.
        (ppc_collect_ptrace_register): New function.
        (ppc_supply_ptrace_register): New function.
        (ppc_breakpoint): Change type to "unsigned int".
        (ppc_breakpoint_at): Change type of "insn" to "unsigned int".
        (the_low_target): Conditionally provide initializers for the
        arch_setup member depending on __powerpc64__.  Install 
        collect_ptrace_register and supply_ptrace_register members.

2008-02-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * regcache.h (gdbserver_xmltarget): Add extern declaration.
        * server.c (gdbserver_xmltarget): Define.
        (get_features_xml): Use it to replace "target.xml" and arch_string.

        * configure.srv: Remove srv_xmltarget.  Add XML files that were
        mentioned there to srv_xmlfiles instead.  Remove conditional tests
        on gdb_cv_arm_iwmmxt, gdb_cv_ppc_altivec, gdb_cv_ppc_spe; set
        srv_xmlfiles and srv_regobj to include all possible choices.
        * configure.ac (srv_xmltarget): Remove.
        (srv_xmlfiles): Do not add "target.xml".
        (gdb_cv_arm_iwmmxt, gdb_cv_ppc_altivec, gdb_cv_ppc_spe): Remove
        checks for supplementary target information.
        * configure: Regenerate.
        * Makefile.in (XML_TARGET): Remove.
        (target.xml): Remove rule.
        (clean): Do not clean up target.xml.
        (.PRECIOUS): Do not mention target.xml.

        * target.h (struct target_ops): Remove arch_string member.
        * linux-low.c (linux_arch_string): Remove.
        (linux_target_ops): Remove arch_string initializer.
        * linux-low.h (struct linux_target_ops): Remove arch_string member.
        * linux-i386-low.c (the_low_target): Remove arch_string initializer.
        * linux-x86-64-low.c (the_low_target): Remove arch_string initializer.
        * spu-low.c (spu_arch_string): Remove.
        (spu_target_ops): Remove arch_string initializer.
        * win32-low.c (win32_arch_string): Remove.
        (win32_target_ops): Remove arch_string initializer.
        * win32-low.h (struct win32_target_ops): Remove arch_string member.
        * win32-arm-low.c (the_low_target): Remove arch_string initializer.
        * win32-i368-low.c (the_low_target): Remove arch_string initializer.

2008-02-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-low.h (struct linux_target_ops): Replace left_pad_xfer field
        by collect_ptrace_register and supply_ptrace_register hooks.
        * linux-low.c (fetch_register): Use supply_ptrace_register callback
        instead of checking for the_low_target.left_pad_xfer.
        (usr_store_inferior_registers): Use collect_ptrace_register callback
        instead of checking for the_low_target.left_pad_xfer.

        * linux-s390-low.c (s390_collect_ptrace_register): New function.
        (s390_supply_ptrace_register): Likewise.
        (s390_fill_gregset): Call s390_collect_ptrace_register.
        (the_low_target): Update.

        * linux-ppc64-low.c (ppc_collect_ptrace_register): New function.
        (ppc_supply_ptrace_register): Likewise.
        (the_low_target): Update.

        * linux-i386-low.c (the_low_target): Update.
        * linux-x86-64-low.c (the_low_target): Update.

2008-02-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv [s390x-*-linux*]: Set srv_regobj to include both
        reg-s390.o and reg-s390x.o.

        * linux-low.c (new_inferior): New global variable.
        (linux_create_inferior, linux_attach): Set it.
        (linux_wait_for_process): Call the_low_target.arch_setup after the
        target has stopped for the first time.
        (initialize_low): Do not call the_low_target.arch_setup.

        * linux-s390-low.c (s390_get_pc): Support bi-arch operation.
        (s390_set_pc): Likewise.
        (s390_arch_setup): New function.
        (the_low_target): Use s390_arch_setup as arch_setup routine.

        * regcache.c (realloc_register_cache): New function.
        (set_register_cache): Call it for each existing regcache.

2008-02-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * server.h (init_registers): Remove prototype.

        * linux-low.h (struct linux_target_ops): Add arch_setup field.
        * linux-low.c (initialize_low): Call the_low_target.arch_setup ()
        instead of init_registers ().
        * linux-arm-low.c (init_registers_arm): Add prototype.
        (init_registers_arm_with_iwmmxt): Likewise.
        (the_low_target): Add initializer for arch_setup field.
        * linux-cris-low.c (init_registers_cris): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-crisv32-low.c (init_registers_crisv32): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-i386-low.c (init_registers_i386_linux): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-ia64-low.c (init_registers_ia64): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-m32r-low.c (init_registers_m32r): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-m68k-low.c (init_registers_m68k): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-mips-low.c (init_registers_mips_linux): Add prototype.
        (init_registers_mips64_linux): Likewise.
        (the_low_target): Add initializer for arch_setup field.
        * linux-ppc-low.c (init_registers_ppc): Add prototype.
        (init_registers_powerpc_32, init_registers_powerpc_e500): Likewise.
        (the_low_target): Add initializer for arch_setup field.
        * linux-ppc64-low.c (init_registers_ppc64): Add prototype.
        (init_registers_powerpc_64): Likewise.
        (the_low_target): Add initializer for arch_setup field.
        * linux-s390-low.c (init_registers_s390): Add prototype.
        (init_registers_s390x): Likewise.
        (the_low_target): Add initializer for arch_setup field.
        * linux-sh-low.c (init_registers_sh): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-x86-64-low.c (init_registers_x86_64_linux): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * linux-xtensa-low.c (init_registers_xtensa): Add prototype.
        (the_low_target): Add initializer for arch_setup field.

        * win32-low.h (struct win32_target_ops): Add arch_setup field.
        * win32-low.c (initialize_low): Call the_low_target.arch_setup ()
        instead of init_registers ().
        * win32-arm-low.c (init_registers_arm): Add prototype.
        (the_low_target): Add initializer for arch_setup field.
        * win32-i386-low.c (init_registers_i386): Add prototype.
        (the_low_target): Add initializer for arch_setup field.

        * spu-low.c (init_registers_spu): Add prototype.
        (initialize_low): Call initialie_registers_spu () instead of
        initialize_registers ().

2008-02-19  Pedro Alves  <pedro@codesourcery.com>

        * server.c (handle_v_requests): When handling the vRun and vAttach
        packets, if already debugging a process, don't kill it.  Return an
        error instead.

2008-02-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (handle_query): Correct length check.

2008-02-14  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (do_initial_child_stuff): Add process handle
        parameter.  Set current_process_handle and current_process_id from the
        parameters. Clear globals.
        (win32_create_inferior): Don't set current_process_handle and
        current_process_id here.  Instead pass them on the call to
        do_initial_child_stuff.
        (win32_attach): Likewise.
        (win32_clear_inferiors): New.
        (win32_kill): Don't close the current process handle or the
        current thread handle here.  Instead call win32_clear_inferiors.
        (win32_detach): Don't open a new handle to the process.  Call
        win32_clear_inferiors.
        (win32_join): Don't rely on current_process_handle; open a new
        handle using the process id.
        (win32_wait): Call win32_clear_inferiors when the inferior process
        has exited.

2008-02-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (monitor_show_help): Add "exit".

2008-02-11  Maxim Grigoriev  <maxim2405@gmail.com>

        * Makefile.in (SFILES): Add linux-xtensa-low.c.
        (clean): Add reg-xtensa.c.
        (linux-xtensa-low.o, reg-xtensa.o, reg-xtensa.c): New dependencies.
        * configure.srv (xtensa*-*-linux*) New target.
        * linux-xtensa-low.c: New.
        * xtensa-xtregs.c: New.

2008-02-01  Pedro Alves  <pedro_alves@portugalmail.pt>

        * hostio.c: Don't include errno.h.
        (errno_to_fileio_errno): Move to hostio-errno.
        * hostio.c: (hostio_error): Remove the error parameter.  Defer the
        error number outputting to the target->hostio_last_error callback.
        (hostio_packet_error): Use FILEIO_EINVAL directly.
        (handle_open, handle_pread, hostio_error, handle_unlink): Update
        calls to hostio_error.
        * hostio-errno.c: New.
        * server.h (hostio_last_error_from_errno): Declare.
        * target.h (target_ops): Add hostio_last_error member.
        * linux-low.c (linux_target_op): Register hostio_last_error_from_errno
        as hostio_last_error handler.
        * spu-low.c (spu_target_ops): Likewise. 
        * win32-low.c [_WIN32_WCE] (win32_error_to_fileio_error)
        (wince_hostio_last_error): New functions.
        (win32_target_ops) [_WIN32_WCE]: Register wince_hostio_last_error
        as hostio_last_error handler.
        (win32_target_ops) [!_WIN32_WCE]: Register
        hostio_last_error_from_errno as hostio_last_error handler.
        * Makefile.in (SFILES): Add hostio.c and hostio-errno.c.
        (hostio-errno.o): New rule.
        * configure.ac (GDBSERVER_DEPFILES): Add $srv_hostio_err_objs.
        * configure.srv (srv_hostio_err_objs): New variable.  Default to
        hostio-errno.o.
        (arm*-*-mingw32ce*): Set srv_hostio_err_objs to "".
        * configure: Regenerate.

2008-01-29  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_attach_lwp): Do not _exit after errors.
        (linux_kill, linux_detach): Clean up the process list.
        * remote-utils.c (remote_open): Improve port number parsing.
        (putpkt_binary, input_interrupt): Only send interrupts if the target
        is running.
        * server.c (extended_protocol): Make static.
        (attached): Define earlier.
        (exit_requested, response_needed, program_argv): New variables.
        (target_running): New.
        (start_inferior): Clear attached here.
        (attach_inferior): Set attached here.
        (require_running): Define.
        (handle_query): Use require_running and target_running.  Implement
        "monitor exit".
        (handle_v_attach, handle_v_run): New.
        (handle_v_requests): Use require_running.  Handle vAttach and vRun.
        (gdbserver_usage): Update.
        (main): Redo argument parsing.  Handle --debug and --multi.  Handle
        --attach along with other options or after the port.  Save
        program_argv.  Support no initial program.  Resynchronize
        communication with GDB after an error.  Handle "monitor exit".
        Use require_running and target_running.  Always allow the extended
        protocol.  Do not error out for Hc0 or Hc-1.  Do not automatically
        restart in extended mode.
        * README: Refer to the GDB manual.  Update --attach usage.

2007-12-20  Andreas Schwab  <schwab@suse.de>

        * linux-low.c (STACK_SIZE): Define.
        (linux_tracefork_child): Use it.  Use __clone2 on ia64.
        (linux_test_for_tracefork): Likewise.

2007-12-18  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_wait_for_event): Update messages.  Do not
        reinsert auto-delete breakpoints.
        * mem-break.c (struct breakpoint): Change return type of handler to
        int.
        (set_breakpoint_at): Update handler type.
        (reinsert_breakpoint_handler): Return 1 instead of calling
        delete_breakpoint.
        (reinsert_breakpoint_by_bp): Check for the original breakpoint before
        setting a new one.
        (check_breakpoints): Delete auto-delete breakpoints and return 2.
        * mem-break.h (set_breakpoint_at): Update handler type.
        * thread-db.c (thread_db_create_event, thread_db_create_event): Update.
        * win32-low.c (auto_delete_breakpoint): New.
        (get_child_debug_event): Use it.

2007-12-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Check for pread and pwrite.
        * hostio.c (handle_pread): Fall back to lseek and read.
        (handle_pwrite): Fall back to lseek and write.
        * config.in, configure: Regenerated.

2007-12-07  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (myresume): Add own_buf argument.
        (main): Update calls.

2007-12-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_wait, linux_resume): Do not handle async I/O.
        * remote-utils.c (remote_open): Do not call disable_async_io.
        (block_async_io): Delete.
        (unblock_async_io): Make static.
        (initialize_async_io): New.
        * server.c (handle_v_cont): Handle async I/O here.
        (myresume): Likewise.  Move other common resume tasks here...
        (main): ... from here.  Call initialize_async_io.  Disable async
        I/O before the main loop.
        * server.h (initialize_async_io): Declare.
        (block_async_io, unblock_async_io): Delete prototypes.
        * spu-low.c (spu_resume, spu_wait): Do not handle async I/O here.

2007-12-06  Mick Davis  <mickd@goanna.iinet.net.au>

        * remote-utils.c (readchar): Allow binary data in received messages.

2007-12-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (attaching): New global.
        (win32_create_inferior): Clear the `attaching' global.
        (win32_attach): Set the `attaching' global.
        (get_child_debug_event) [_WIN32_WCE]: Stop the inferior when
        attaching.  Only set a breakpoint at the entry point if not
        attaching.

2007-12-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * server.c (main): Don't report dll events on the initial
        connection on attaches.

2007-12-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * server.c (main): Relax numerical bases supported for the pid of
        the --attach command line argument.

2007-12-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (win32_attach): Call OpenProcess before
        DebugActiveProcess, not after.  Add last error output to error
        call.

2007-12-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (win32_get_thread_context)
        (win32_set_thread_context): New functions.
        (thread_rec): Use win32_get_thread_context.
        (continue_one_thread, win32_resume): Use win32_set_thread_context.
        * win32-low.h (win32_thread_info) [_WIN32_WCE]: Add `base_context'
        field.

2007-12-03  Leo Zayas
            Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (soft_interrupt_requested, faked_breakpoint): New
        global variables.
        (child_add_thread): Minor cleanup.
        (child_continue): Resume artificially suspended threads before
        calling ContinueDebugEvent.
        (suspend_one_thread): New.
        (fake_breakpoint_event): New.
        (get_child_debug_event): Change return type to int.  Check here if
        gdb sent an interrupt request.  If a soft interrupt was requested,
        fake a breakpoint event.  Return 0 if there is no event to handle,
        and 1 otherwise.
        (win32_wait): Don't check here if gdb sent an interrupt request.
        Ensure there is a valid event to handle.
        (win32_request_interrupt): Add soft interruption method as last
        resort.

2007-12-03  Leo Zayas
            Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.h (win32_thread_info): Add descriptions to the
        structure members.  Replace `suspend_count' counter by a
        `suspended' flag.
        * win32-low.c (thread_rec): Update condition of when to get the
        context from the inferior.  Rely on ContextFlags being set if it
        has already been retrieved.  Only suspend the inferior thread if
        we haven't already.  Warn if that fails.
        (continue_one_thread): s/suspend_count/suspended/.  Only call
        ResumeThread once.  Warn if that fails.

2007-12-02  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (win32_wait): Don't read from the inferior when it
        has already exited.

2007-12-02  Pedro Alves  <pedro_alves@portugalmail.pt>

        * Makefile.in (win32_low_h): New variable.
        (win32-low.o): Add dependency on $(win32_low_h).
        (win32-arm-low.o, win32-i386-low.o): New rules.

2007-11-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * hostio.c: Correct copyright year.

2007-11-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (OBS): Add hostio.o.
        (hostio.o): New rule.
        * server.h (handle_vFile): Declare.
        * hostio.c: New file.
        * server.c (handle_v_requests): Take packet_len and new_packet_len
        for binary packets.  Call handle_vFile.
        (main): Update call to handle_v_requests.

2007-11-05  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c: Include <sched.h>.

2007-11-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_tracefork_grandchild): New.
        (linux_tracefork_child): Use clone.
        (linux_test_for_tracefork): Use clone; allocate and free a stack.

2007-10-31  Joel Brobecker  <brobecker@adacore.com>

        * Makefile.in: Use $(SHELL) instead of "sh" to call regdat.sh.

2007-10-24  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (handle_extended_wait): Handle unexpected signals.

2007-10-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * inferiors.c (change_inferior_id): Delete.
        (add_pid_to_list, pull_pid_from_list): New.
        * linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG)
        (PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK)
        (PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE)
        (PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK)
        (PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE)
        (PTRACE_EVENT_EXIT, __WALL): Provide default definitions.
        (stopped_pids, thread_db_active, must_set_ptrace_flags): New variables.
        (using_threads): Always set to 1.
        (handle_extended_wait): New.
        (add_process): Do not set TID.
        (linux_create_inferior): Set must_set_ptrace_flags.
        (linux_attach_lwp): Remove TID argument.  Do not check using_threads.
        Use PTRACE_SETOPTIONS.  Call new_thread_notify.  Update all callers.
        (linux_thread_alive): Rename TID argument to LWPID.
        (linux_wait_for_process): Handle unknown processes.  Do not use TID.
        (linux_wait_for_event): Do not use TID or check using_threads.  Update
        call to dead_thread_notify.  Call handle_extended_wait.
        (linux_create_inferior): Use PTRACE_SETOPTIONS.
        (send_sigstop): Delete sigstop_sent.
        (wait_for_sigstop): Avoid TID.
        (linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid)
        (linux_test_for_tracefork): New.
        (linux_lookup_signals): Use thread_db_active and
        linux_supports_tracefork_flag.
        (initialize_low): Use thread_db_active and linux_test_for_tracefork.
        * linux-low.h (get_process_thread): Avoid TID.
        (struct process_ifo): Move thread_known and tid to the end.  Remove
        sigstop_sent.
        (linux_attach_lwp, thread_db_init): Update prototypes.
        * server.h (change_inferior_id): Delete prototype.
        (add_pid_to_list, pull_pid_from_list): New prototypes.
        * thread-db.c (thread_db_use_events): New.
        (find_first_thread): Rename to...
        (find_one_thread): ...this.  Update callers and messages.  Do not
        call fatal.  Check thread_db_use_events.  Do not call
        change_inferior_id or new_thread_notify.
        (maybe_attach_thread): Update.  Do not call new_thread_notify.
        (thread_db_init): Set thread_db_use_events.  Check use_events.
        * utils.c (fatal, warning): Correct message prefix.

2007-10-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (clean): Remove new files.
        (powerpc-32.o, powerpc-32.c, powerpc-e500.o, powerpc-e500.c)
        (powerpc-64.o, powerpc-64.c): New rules.
        * configure.srv: Use alternate register sets for powerpc64-*-linux*
        with AltiVec, powerpc-*-linux* with AltiVec, and powerpc-*-linux*
        with SPE.
        * linux-ppc-low.c (ppc_regmap): Do not fetch the FP registers for
        SPE targets.
        (ppc_cannot_store_register): Do not check for FPSCR for SPE targets.
        (PTRACE_GETVRREGS, PTRACE_SETVRREGS, SIZEOF_VRREGS, ppc_fill_vrregset)
        (ppc_store_vrregset, PTRACE_GETEVRREGS, PTRACE_SETEVRREGS)
        (struct gdb_evrregset_t, ppc_fill_evrregset, ppc_store_evrregset): New.
        (target_regsets): Add AltiVec and SPE register sets.
        * configure.ac: Check for AltiVec and SPE.
        * linux-ppc64-low.c (PTRACE_GETVRREGS, PTRACE_SETVRREGS, SIZEOF_VRREGS)
        (ppc_fill_vrregset, ppc_store_vrregset): New.
        (target_regsets): Add AltiVec register set.
        * configure: Regenerated.

2007-09-19  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (O_LARGEFILE): Define.
        (linux_read_memory): Use /proc/PID/mem.
        * configure.ac: Use AC_GNU_SOURCE.  Check for pread64.
        * configure, config.in: Regenerated.

2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_wait_for_event): Do not pass signals while
        single-stepping.

2007-09-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (create_process): New.
        (win32_create_inferior): Use create_process instead of
        CreateProcess.  If create_process failed retry appending an ".exe"
        suffix.  Store the GetLastError result immediatelly after
        create_process calls and use it on the call to error.

2007-09-03  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (handle_load_dll): Don't use toolhelp when waiting.

2007-08-23  Joel Brobecker  <brobecker@adacore.com>

        * configure.ac: Switch license to GPLv3.

2007-08-01  Michael Snyder  <msnyder@access-company.com>

        * remote-utils.c (putpkt_binary): Memory leak, free buf2.

2007-07-31  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (winapi_CloseToolhelp32Snapshot) [_WIN32_WCE]: New
        typedef.
        (win32_CloseToolhelp32Snapshot) [_WIN32_WCE]: New global var.
        (load_toolhelp) [_WIN32_WCE]: Load TOOLHELP.DLL.  Get
        CloseToolhelp32Snapshot.
        (toolhelp_get_dll_name) [_WIN32_WCE]: Close the snapshot with
        CloseToolhelp32Snapshot.

2007-07-27  Michael Snyder  <michael.snyder@access-company.com>

        * server.c (main): Check for inferior exit before main loop.

2007-07-18  Pedro Alves  <pedro_alves@portugalmail.pt>

        * remote-utils.c (remote_open): Set SO_KEEPALIVE on remote_desc
        instead of on tmp_desc.

2007-07-17  Pedro Alves  <pedro_alves@portugalmail.pt>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * inferiors.c (all_dlls, dlls_changed, get_dll): New.
        (add_thread): Minor cleanups.
        (clear_inferiors): Move lower in the file.  Clear the DLL
        list.
        (free_one_dll, match_dll, loaded_dll, unloaded_dll, clear_list): New.
        * remote-utils.c (prepare_resume_reply): Check dlls_changed.
        (xml_escape_text): New.
        * server.c (handle_query): Handle qXfer:libraries:read.  Report it
        for qSupported.
        (handle_v_cont): Report errors.
        (gdbserver_version): Update.
        (main): Correct size of own_buf.  Do not report initial DLL events.
        * server.h (struct dll_info, all_dlls, dlls_changed, loaded_dll)
        (unloaded_dll, xml_escape_text): New.
        * win32-low.c (enum target_waitkind): Update comments.
        (win32_add_one_solib, get_image_name, winapi_EnumProcessModules)
        (winapi_GetModuleInformation, winapi_GetModuleFileNameExA)
        (win32_EnumProcessModules, win32_GetModuleInformation)
        (win32_GetModuleFileNameExA, load_psapi, psapi_get_dll_name)
        (winapi_CreateToolhelp32Snapshot, winapi_Module32First)
        (winapi_Module32Next, win32_CreateToolhelp32Snapshot)
        (win32_Module32First, win32_Module32Next, load_toolhelp)
        (toolhelp_get_dll_name, handle_load_dll, handle_unload_dll): New.
        (get_child_debug_event): Handle DLL events.
        (win32_wait): Likewise.

2007-07-12  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.srv: Set srv_linux_regsets for sh*-*-linux*.
        * linux-sh-low.c (sh_fill_gregset, target_regsets): New.

2007-07-08  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (handle_output_debug_string): Ignore event if not
        waiting.

2007-07-08  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-arm-low.c (arm_wince_breakpoint): Fix typo.

2007-07-03  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (look_up_one_symbol): Handle 'm' packets.

2007-07-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * inferiors.c (change_inferior_id): Add comment.
        * linux-low.c (check_removed_breakpoint): Add an early
        prototype.  Improve debug output.
        (linux_attach): Doc update.
        (linux_detach_one_process, linux_detach): Clean up before releasing
        each process.
        (send_sigstop, wait_for_sigstop): Improve comments and debug output.
        * linux-low.h (struct process_info): Doc improvement.
        * mem-break.c (delete_all_breakpoints): New.
        * mem-break.h (delete_all_breakpoints): New prototype.
        * thread-db.c (find_first_thread): New.
        (thread_db_create_event): Call it instead of
        thread_db_find_new_threads.  Clean up unused variables.
        (maybe_attach_thread): Remove first thread handling.
        (thread_db_find_new_threads): Use find_first_thread.
        (thread_db_get_tls_address): Likewise.

2007-06-27  Daniel Jacobowitz  <dan@codesourcery.com>

        * thread-db.c (thread_db_find_new_threads): Add prototype.
        (thread_db_create_event): Check for the main thread before adding
        a new thread.
        (maybe_attach_thread): Only enable event reporting if TID == 0.
        (thread_db_get_tls_address): Check for new threads.

2007-06-20  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_create_inferior): Try execv before execvp.
        * spu-low.c (spu_create_inferior): Likewise.

2007-06-13  Mike Frysinger  <vapier@gentoo.org>

        * linux-low.c (linux_create_inferior): Change execv to execvp.
        * spu-low.c (spu_create_inferior): Likewies.

2007-06-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (clean): Clean new files instead of deleted ones.
        (reg-mips.o, reg-mips.c, reg-mips64.o, reg-mips64.c): Delete.
        (mips-linux.o, mips-linux.c, mips64-linux.o, mips64-linux.c): New
        rules.
        * configure.srv: Specify XML files and new regformats for MIPS and
        MIPS64 GNU/Linux.
        * linux-mips-low.c (mips_num_regs): Set to only used registers.
        (mips_regmap): Do not fetch $0.  Remove unused registers.  Add
        an entry for the restart register.
        (mips_cannot_fetch_register, mips_cannot_store_register)
        (mips_reinsert_addr, mips_fill_fpregset, mips_store_fpregset): Update
        register names to match the XML descriptions.
        (mips_fill_gregset, mips_store_gregset): Likewise.  Handle the
        restart register instead of $0.

2007-06-12  Ulrich Weigand  <uweigand@de.ibm.com>
            Markus Deuling  <deuling@de.ibm.com>

        * remote-utils.c (decode_xfer_write): New function.
        * server.h (decode_xfer_write): Add prototype.
        * server.c (handle_query): Add PACKET_LEN argument.  Support
        qXfer:spu:read and qXfer:spu:write packets.
        (main): Pass packet_len to handle_query.
        * spu-low.c (spu_target_ops): Add spu_proc_xfer_spu.
        * target.h (target_ops): Add qxfer_spu.

2007-06-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * spu-low.c (spu_proc_xfer_spu): Do not return failure when
        accessing non-seekable spufs files.

2007-05-16  Markus Deuling  <deuling@de.ibm.com>

        * server.c (handle_query): Add reply for qC packet. 

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>
            Leo Zayas  <lerele@champenstudios@com>

        * server.h (check_remote_input_interrupt_request): New function.
        * remote_utils.c (INVALID_DESCRIPTOR): New define.
        (remote_desc): Initialize with INVALID_DESCRIPTOR.
        (input_interrupt): Expose on USE_WIN32API too.  Fix whitespace.
        (check_remote_input_interrupt_request): New function.
        * server.h (check_remote_input_interrupt_request): Declare.
        * win32-low.c (winapi_DebugBreakProcess,
        winapi_GenerateConsoleCtrlEvent): New typedefs.
        (get_child_debug_event): Lower Win32 debug event polling from 1 sec
        to 250 ms.
        (win32_wait): Check for remote interrupt request
        with check_remote_input_interrupt_request.
        (win32_request_interrupt): New function.
        (win32_target_op): Set request_interrupt to win32_request_interrupt.

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (debug_registers_changed,
        debug_registers_used, CONTEXT_EXTENDED_REGISTERS,
        CONTEXT_FLOATING_POINT, CONTEXT_DEBUG_REGISTERS,
        CONTEXT_DEBUGGER, CONTEXT_DEBUGGER_DR): Delete.
        (thread_rec): Get context using the low target.
        (child_add_thread): Call thread_added on the low target,
        which does the same thing.
        (regptr): Delete.
        (do_initial_child_stuff): Remove debug registers references.
        Set context using the low target.  Resume threads after
        setting the contexts.
        (child_continue): Remove dead variable.  Remove debug
        registers references.
        (child_fetch_inferior_registers): Go through the low target.
        (do_child_store_inferior_registers): Remove.
        (child_store_inferior_registers): Go through the low target.
        (win32_resume): Remove debug registers references.
        Set context using the low target.
        (handle_exception): Change return type to void.  Don't record
        context here.  Set status to TARGET_WAITKIND_SPURIOUS on a
        first chance exception.
        (get_child_debug_event): Change return type to void.  Remove 
        goto loop.  Always return after waiting for debug event.
        (win32_wait): Convert to switch statement.  Handle spurious
        events.

        * win32-i386-low.c (debug_registers_changed,
        debug_registers_used): New.
        (initial_stuff): Rename to ...
        (i386_initial_stuff): ... this.  Clear debug registers
        state variables.
        (store_debug_registers): Delete.
        (i386_get_thread_context): New.
        (load_debug_registers): Delete.
        (i386_set_thread_context): New.
        (i386_thread_added): New.
        (single_step): Rename to ...
        (i386_single_step): ... this.
        (do_fetch_inferior_registers): Rename to ...
        (i386_fetch_inferior_register): ... this.
        (i386_store_inferior_register): New.
        (the_low_target): Adapt to new interface.

        * win32-arm-low.c (CONTEXT_FLOATING_POINT): Define.
        (arm_get_thread_context): New.
        (arm_set_thread_context): New.
        (regptr): New.
        (do_fetch_inferior_registers): Rename to ...
        (arm_fetch_inferior_register): ... this.
        (arm_store_inferior_register): New.
        (arm_wince_breakpoint): Reimplement as unsigned long.
        (arm_wince_breakpoint_len): Define.
        (the_low_target): Adapt to new interface.

        * win32-low.h (target_ops): Remove regmap, store_debug_registers and
        load_debug_registers.  Add get_thread_context, set_thread_context,
        thread_added and store_inferior_register.  Rename
        fetch_inferior_registers to fetch_inferior_register.
        (regptr): Remove declaration.

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>

        * linux-low.c (linux_detach): Change return type to int.  Return 0.
        * spu-low.c (spu_detach): Likewise.

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>

        * target.h (target_ops): Change return type of detach to int.
        Add join.
        (join_inferior): New.
        * server.c (main): Don't skip detach support on mingw32.
        If the inferior doesn't support detaching return error.
        Call join_inferior instead of using waitpid.
        * linux-low.c (linux_join): New.
        (linux_target_op): Add linux_join.
        * spu-low.c (spu_join): New.
        (spu_target_ops): Add spu_join.
        * win32-low.c (win32_detach): Adapt to new interface.
        Reopen current_process_handle before detaching.  Issue a child
        resume before detaching.
        (win32_join): New.
        (win32_target_op): Add win32_join.

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (win32-attach): Fix return value.
        * target.h (target_ops): Describe ATTACH return values.

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (GETPROCADDRESS): Define.
        (winapi_DebugActiveProcessStop): Add WINAPI.  typedef as pointer.
        (winapi_DebugSetProcessKillOnExit): Likewise.
        (win32_create_inferior): Force usage of ansi CreateProcessA.
        (win32_attach): Use GETPROCADDRESS.
        (win32_detach): Likewise.

2007-05-10  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c (win32_wait): Don't use WSTOPSIG.

2007-03-30  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c: Commit leftover changes from 2007-03-29.

2007-03-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * i387-fp.c (struct i387_fsave, struct i387_fxsave): Make 16-bit
        fields short instead of int.  Add explicit padding.
        (i387_cache_to_fsave): Remove unnecessary casts.
        (i387_fsave_to_cache): Doc fix.
        (i387_cache_to_fxsave): Remove unnecessary casts and masking.

2007-03-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * i387-fp.c (i387_cache_to_fxsave): Reinitialize val2 before use.
        (i387_fxsave_to_cache): Check fp->ftag while building ftag value.

2007-03-29  Pedro Alves  <pedro_alves@portugalmail.pt>

        * configure.srv (arm*-*-mingw32ce*): Move near the other
        arm targets.

2007-03-29  Pedro Alves  <pedro_alves@portugalmail.pt>

        * configure.ac: Add errno checking.
        (AC_CHECK_HEADERS): Add errno.h, fcntl.h, signal.h,
        sys/file.h and malloc.h.
        (AC_CHECK_DECLS): Add perror.
        (srv_mingwce): Handle.
        * configure.srv (i[34567]86-*-cygwin*): Add
        win32-i386-low.o to srv_tgtobj.
        (i[34567]86-*-mingw*): Likewise.
        (arm*-*-mingw32ce*): Add case.
        * gdbreplay.c [HAVE_SYS_FILE_H, HAVE_SIGNAL_H,
        HAVE_FCNTL_H, HAVE_ERRNO_H, HAVE_MALLOC_H]: Check.
        [__MINGW32CE__] (strerror): New function.
        [__MINGW32CE__] (errno): Define to GetLastError.
        [__MINGW32CE__] (COUNTOF): New macro.
        (remote_open): Remove extra close call.
        * mem-break.c (delete_breakpoint_at): New function.
        * mem-break.h (delete_breakpoint_at): Declare.
        * remote-utils.c [HAVE_SYS_FILE_H, HAVE_SIGNAL_H,
        HAVE_FCNTL_H, HAVE_UNISTD_H, HAVE_ERRNO_H]: Check.
        [USE_WIN32API] (read, write): Add char* casts.
        * server.c [HAVE_UNISTD_H, HAVE_SIGNAL_H]: Check.
        * server.h: Include wincecompat.h on Windows CE.
        [HAVE_ERRNO_H]: Check.
        (perror): Declare if not declared.
        * utils.c: Add stdlib.h, errno.h and malloc.h includes.
        (perror_with_name): Remove errno declaration.
        * wincecompat.h: New.
        * wincecompat.c: New.
        * win32-low.h: New.
        * win32-arm-low.c: New.
        * win32-i386-low.c: New.
        (win32-low.c): Include mem-break.h and win32-low.h, and winnt.h.
        (OUTMSG2): Make it safe.
        (_T): New macro.
        (COUNTOF): New macro.
        (NUM_REGS): Get it from the low target.
        (CONTEXT_EXTENDED_REGISTERS, CONTEXT_FLOATING_POINT,
        CONTEXT_DEBUG_REGISTERS): Add fallbacks to 0.
        (thread_rec): Let low target handle debug registers.
        (child_add_thread): Likewise.
        (child_init_thread_list): Likewise.
        (continue_one_thread): Likewise.
        (regptr): New.
        (do_child_fetch_inferior_registers): Move to ...
        * win32-i386-low.c: ... here, and rename to ...
        (do_fetch_inferior_registers): ... this.
        * win32-low.c (child_fetch_inferior_registers): 
        Go through the low target.
        (do_child_store_inferior_registers): Use regptr.
        (strwinerror): New function.
        (win32_create_inferior): Handle Windows CE.
        Use strwinerror instead of strerror on Windows error
        codes.  Add program to the error output.
        Don't close the main thread handle on Windows CE.
        (win32_attach): Use coredll.dll on Windows CE.
        (win32_kill): Close current process and current
        thread handles.
        (win32_detach): Use coredll.dll on Windows CE.
        (win32_resume): Let low target handle debug registers, and
        step request.
        (handle_exception): Add/Remove initial breakpoint.  Avoid
        non-existant WSTOPSIG on Windows CE.
        (win32_read_inferior_memory): Cast to remove warning.
        (win32_arch_string): Go through the low target.
        (initialize_low): Call set_breakpoint_data with the low
        target's breakpoint.
        * win32-low.c (dr, FLAG_TRACE_BIT, FCS_REGNUM,
        FOP_REGNUM, mappings): Move to ...
        * win32-i386-low.c: ... here.
        * win32-low.c (win32_thread_info): Move to ...
        * win32-low.h: ... here.
        * Makefile.in (SFILES): Add win32-low.c, win32-i386-low.c,
        win32-arm-low.c and wincecompat.c.
        (all:): Add $EXEEXT.
        (install-only:): Likewise.
        (gdbserver:): Likewise.
        (gdbreplay:): Likewise.
        * config.in: Regenerate.
        * configure: Regenerate.

2007-03-28  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-low.c: Rename typedef thread_info to
        win32_thread_info throughout.

2007-03-28  Pedro Alves  <pedro_alves@portugalmail.pt>

        * win32-i386-low.c: Rename to ...
        * win32-low.c: ... this.
        * configure.srv: Replace win32-i386-low.o with win32-low.o.
        * Makefile.in: Likewise.

2007-03-27  Pedro Alves  <pedro_alves@portugalmail.pt>

        * remote-utils.c (monitor_output): Constify msg parameter.
        * server.h (monitor_output): Likewise.
        * win32-i386-low.c (handle_output_debug_string): New.
        (win32_kill): Handle OUTPUT_DEBUG_STRING_EVENT events using
        handle_output_debug_string.
        (get_child_debug_event): Likewise.

2007-03-27  Mat Hostetter  <mat@lcs.mit.edu>

        * server.c (main): Correct strtoul check.

2007-03-27  Jon Ringle  <jon@ringle.org>

        * linux-low.c: Check __ARCH_HAS_MMU__ also.

2007-03-27  Brooks Moses  <brooks.moses@codesourcery.com>

        * Makefile.in: Add dummy "pdf" and "install-pdf" targets.

2007-02-27  Daniel Jacobowitz  <dan@codesourcery.com>

        * terminal.h: Check HAVE_SGTTY_H.

2007-02-27  Mat Hostetter  <mat@lcs.mit.edu>

        * remote-utils.c (remote_open): Print out the assigned port number.

2007-02-26  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (monitor_output): New function.
        * server.c (debug_threads): Define here.
        (monitor_show_help): New function.
        (handle_query): Handle qRcmd.
        (main): Do not handle 'd' packet.
        * server.h (debug_threads, remote_debug, monitor_output): Declare.
        * linux-low.c, spu-low.c, win32-i386-low.c: Remove definitions
        of debug_threads.

2007-02-25  Pedro Alves  <pedro_alves@portugalmail.pt>

        * Makefile.in (EXEEXT): New.
        (clean): Use $(EXEEXT).

2007-02-25  Pedro Alves  <pedro_alves@portugalmail.pt>

        * target.h (target_ops): Rename send_signal to request_interrupt,
        and remove enum target_signal parameter.
        * linux-low.c (linux_request_interrupt): Rename from
        linux_send_signal, and always send SIGINT.
        * spu-low.c (spu_request_interrupt): Rename from spu_send_signal,
        and always send SIGINT.
        * remote-utils.c (putpkt_binary): Call request_interrupt, instead
        of send_signal.
        (input_interrupt): Likewise.

2007-02-25  Pedro Alves  <pedro_alves@portugalmail.pt>

        * server.c (get_features_xml): Check if target implemented
        arch_string.
        * win32-i386-low.c (win32_arch_string): New.
        (win32_target_ops): Add win32_arch_string as arch_string member.

2007-02-22  Markus Deuling  <deuling@de.ibm.com>

        * spu-low.c (spu_arch_string): New.
        (spu_target_ops): Add spu_arch_string.

2007-02-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c: Remove HAVE_TERMINAL_H check.
        * configure.ac: Do not check for terminal.h.
        * configure, config.in: Regenerated.

2007-02-08  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (OBS): Add $(XML_BUILTIN).
        (XML_DIR, XML_TARGET, XML_FILES, XML_BUILTIN): New.
        (clean): Update.
        (target.xml, xml-builtin.c, stamp-xml, arm-with-iwmmxt.o)
        (arm-with-iwmmxt.c): New.
        * config.in, configure: Regenerate.
        * configure.ac: Check for iWMMXt.  Handle srv_xmltarget,
        srv_xmlbuiltin, and srv_xmlfiles.  Define USE_XML.
        * configure.srv: Mention srv_xmltarget and srv_xmlfiles.
        (arm*-*-linux*): Add iWMMXt and regset support.
        * linux-arm-low.c (PTRACE_GETWMMXREGS, PTRACE_SETWMMXREGS): Define.
        (arm_fill_gregset, arm_store_gregset, arm_fill_wmmxregset)
        (arm_store_wmmxregset, target_regsets): New.
        * server.c (get_features_xml): Take annex argument.  Check builtin
        XML documents.
        (handle_query): Handle multiple annexes.

2007-01-29  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c [USE_WIN32API] (read, write): Define.
        (putpkt_binary, input_interrupt, readchar, getpkt): Use read and
        write.

2007-01-09  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-i386-low.c (the_low_target): Set arch_string.
        * linux-x86-64-low.c (the_low_target): Likewise.
        * linux-low.c (linux_arch_string): New.
        (linux_target_ops): Add it.
        * linux-low.h (struct linux_target_ops): Add arch_string.
        * server.c (write_qxfer_response): Use const void * for DATA.
        (get_features_xml): New.
        (handle_query): Handle qXfer:features:read.  Report it for qSupported.
        * target.h (struct target_ops): Add arch_string method.

2007-01-03  Denis Pilat  <denis.pilat@st.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_kill): Handle being called with no threads.
        * win32-i386-low.c (win32_kill): Likewise.
        (get_child_debug_event): Clear current_process_handle.

2006-12-30  Denis PILAT  <denis.pilat@st.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (remote_open): Check the type of specified
        serial port devices before opening them.
        * server.c (main): Kill the inferior if an error occurs during
        the first remote_open.

2006-12-05  Markus Deuling  <deuling@de.ibm.com>

        * README: Update supported targets.

2006-11-28  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (clean): Remove reg-mips64.c.
        (reg-mips64.c, reg-mips64.o): New rules.
        * configure.srv: Handle mips64.  Include regset support for mips.
        * linux-mips-low.c (union mips_register): New.
        (mips_get_pc, mips_set_pc, mips_reinsert_addr): Use it.
        (mips_breakpoint, mips_breakpoint_at): Use int.
        (mips_collect_register, mips_supply_register)
        (mips_collect_register_32bit, mips_supply_register_32bit)
        (mips_fill_gregset, mips_store_gregset, mips_fill_fpregset)
        (mips_store_fpregset, target_regsets): New.
        * thread-db.c (thread_db_get_tls_address): Use uintptr_t.

2006-11-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv: Add target "spu*-*-*".
        * Makefile.in (clean): Remove reg-spu.c.
        (reg-spu.c, reg-spu.o, spu-low.o): Add dependencies.
        * spu-low.c: New file.

2006-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Correct td_thr_tls_get_addr test.
        * configure: Regenerated.

2006-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_wait_for_event): Reformat.  Use the
        pass_signals array.
        * remote-utils.c (decode_address_to_semicolon): New.
        * server.c (pass_signals, handle_general_set): New.
        (handle_query): Mention QPassSignals for qSupported.
        (main): Call handle_general_set.
        * server.h (pass_signals, decode_address_to_semicolon): New.

2006-11-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (handle_query): Correct error handling for read_auxv.

2005-10-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.srv [s390-*-linux*, s390x-*-linux*]: Set srv_linux_regsets
        and srv_linux_thread_db to yes.
        * linux-s390-low.c (s390_fill_gregset): New function.
        (target_regsets): Define data structure.

2006-10-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4 (SRV_CHECK_TLS_GET_ADDR): New.
        * configure.ac: Use it.  Define HAVE_TD_THR_TLS_GET_ADDR.
        * config.in, configure: Regenerated.
        * inferiors.c (gdb_id_to_thread): New function.
        (gdb_id_to_thread_id): Use it.
        * linux-low.c (linux_target_ops): Use thread_db_get_tls_address.
        * linux-low.h (struct process_info): Add th member.
        (thread_db_get_tls_address): New prototype.
        * remote-utils.c (decode_address): Make non-static.
        * server.c (handle_query): Handle qGetTLSAddr.
        * server.h (gdb_id_to_thread, decode_address): New prototypes.
        * target.h (struct target_ops): Add get_tls_address.
        * thread-db.c (maybe_attach_thread): Save the thread handle.
        (thread_db_get_tls_address): New.

2006-09-28  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (PTRACE_GETSIGINFO, PTRACE_SETSIGINFO): Define.
        (linux_resume_one_process): Take a siginfo_t *.  Update all
        callers.  Queue it if necessary.  Use PTRACE_SETSIGINFO.
        (struct pending_signals): Add a siginfo_t.
        (linux_wait_for_process): Always set last_status.
        (linux_wait_for_event): Use PTRACE_GETSIGINFO.
        (linux_queue_one_thread): Use PTRACE_GETSIGINFO.
        * linux-low.h (struct process_info): Add last_status.

2006-09-21  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (try_rle): New function.
        (putpkt_binary): Use it.

2006-08-19  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (clean): Clean reg-x86-64-linux.c.
        (reg-x86-64-linux.o, reg-x86-64-linux.c): New.
        * configure.srv (x86_64-*-linux*): Use reg-x86-64-linux.o.
        * linux-x86-64-low.c (x86_64_regmap): Include ORIG_RAX.
        (x86_64_fill_gregset, x86_64_store_gregset): Skip floating
        point registers.

2006-08-08  Richard Sandiford  <richard@codesourcery.com>

        * server.c (terminal_fd): New variable.
        (old_foreground_pgrp): Likewise.
        (restore_old_foreground_pgrp): New function.
        (start_inferior): Record the terminal file descriptor in terminal_fd
        and its original foreground group in old_foreground_pgrp.  Register
        restore_old_foreground_pgrp with atexit().

2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (handle_query): Correct qPart to qXfer.

2006-07-22  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Check for more headers which are missing on
        Windows.  Automatically supply -lwsock32 and USE_WIN32API.
        * configure.srv: Add Cygwin and mingw32.
        * remote-utils.c: Don't include headers unconditionally which
        are missing on mingw32.  Include <winsock.h> for mingw32.
        (remote_open): Adjust for mingw32 support.  Flush
        standard error after writing to it.
        (remote_close, putpkt_binary, input_interrupt, block_async_io)
        (unblock_async_io, enable_async_io, disable_async_io)
        (readchar, getpkt): Update for Winsock support.
        (prepare_resume_reply): Expect a protocol signal number.
        * server.c: Disable <sys/wait.h> on mingw32.
        (start_inferior): Adjust for mingw32 support.  Flush
        standard error after writing to it.
        (attach_inferior): Likewise.  Use protocol signal
        numbers.
        (main): Skip 'D' packet on mingw32.  Use protocol signal numbers
        and names.
        * win32-i386-low.c: New file.
        * Makefile.in (XM_CLIBS): Set.
        (gdbserver, gdbreplay): Use $(INTERNAL_CFLAGS).
        (win32-i386-low.o): New dependency rule.
        * linux-low.c (linux_wait): Use target signal numbers.
        * target.h (struct target_ops): Doc fix.
        * server.h (target_signal_to_name): New prototype.
        * gdbreplay.c: Don't include headers unconditionally which
        are missing on mingw32.  Include <winsock.h> for mingw32.
        (remote_close, remote_open): Adjust for Winsock support.
        * configure, config.in: Regenerated.

2006-07-12  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (decode_xfer_read, write_qxfer_response): New.
        (handle_query): Take a packet length argument.  Handle
        qXfer:auxv:read instead of qPart:auxv:read.  Mention it in
        the qSupported response.
        (main): Update call to handle_query.

2006-06-22  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (remote_escape_output, remote_unescape_input): New.
        (putpkt_binary): Renamed from putpkt and adjusted for binary
        data.
        (putpkt): New wrapper for putpkt_binary.
        (readchar): Don't mask off the high bit.
        (decode_X_packet): New function.
        * server.c (main): Call putpkt_binary if a handler sets the packet
        length.  Save the length of the incoming packet.  Handle 'X'.
        * server.h (gdb_byte, remote_escape_output, decode_X_packet): New.

2006-06-21  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (handle_query): Handle qSupported.

2006-05-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (all_symbols_looked_up): New variable.
        (look_up_one_symbol): Check it.
        * server.h (look_up_one_symbol): New declaration.
        * thread-db.c (thread_db_init): Set all_symbols_looked_up.

2006-05-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (linux-arm-low.o): Update dependencies.
        * linux-arm-low.c: Include "gdb_proc_service.h".
        (PTRACE_GET_THREAD_AREA): Define.
        (ps_get_thread_area): New function.

2006-05-09  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.srv (m68k*-*-uclinux*): New target.
        * linux-low.c (linux_create_inferior): Use vfork on mmuless systems.
        (linux_resume_one_process): Remove extraneous cast.
        (linux_read_offsets): New.
        (linux_target_op): Add linux_read_offsets on mmuless systems.
        * server.c (handle_query): Add qOffsets logic.
        * target.h (struct target_ops): Add read_offsets.

2006-03-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-mips-low.c: Include <sys/ptrace.h> and "gdb_proc_service.h".
        (PTRACE_GET_THREAD_AREA): Define.
        (ps_get_thread_area): New function.
        * Makefile.in (linux-i386-low.o, linux-mips-low.o)
        (linux-x86-64-low.o): Update.

2006-03-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Remove checks for prfpregset_t.
        * gdb_proc_service.h: New file.
        * linux-i386-low.c, linux-x86-64-low.c, thread-db.c: Use the
        new "gdb_proc_service.h".
        * proc-service.c: Likewise.
        (ps_pglobal_lookup, ps_pdread, ps_pdwrite): Use psaddr_t.
        (ps_lgetfpregs, ps_lsetfpregs): Use a void* argument.
        * Makefile.in (gdb_proc_service_h): Updated.
        * configure, config.in: Regenerated.

2006-03-03  Daniel Jacobowitz  <dan@codesourcery.com>

        * remote-utils.c (prepare_resume_reply): Move declaration
        of gdb_id_from_wait to the top of the block.

2006-02-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (regsets_store_inferior_registers): Read the regset
        from the target before filling it.

2006-02-08  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (attach_inferior): Return SIGTRAP for a successful
        attach.

2006-02-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (OBS): Add version.o.
        (STAGESTUFF): Delete.
        (version.o): Add dependencies.
        (version.c): Replace rule.
        (clean): Remove version.c.
        * server.c (gdbserver_version): New.
        (gdbserver_usage): Use printf.
        (main): Handle --version and --help.
        * server.h (version, host_name): Add declarations.

2005-12-23  Eli Zaretskii  <eliz@gnu.org>

        * linux-arm-low.c: 
        * linux-arm-low.c: 
        * inferiors.c: 
        * i387-fp.h: 
        * i387-fp.c: 
        * gdbreplay.c: 
        * regcache.c: 
        * proc-service.c: 
        * mem-break.h: 
        * mem-break.c: 
        * linux-x86-64-low.c: 
        * linux-sh-low.c: 
        * linux-s390-low.c: 
        * linux-ppc64-low.c: 
        * linux-ppc-low.c: 
        * linux-mips-low.c: 
        * linux-m68k-low.c: 
        * linux-m32r-low.c: 
        * linux-low.h: 
        * linux-low.c: 
        * linux-ia64-low.c: 
        * linux-i386-low.c: 
        * linux-crisv32-low.c: 
        * thread-db.c: 
        * terminal.h: 
        * target.h: 
        * target.c: 
        * server.h: 
        * server.c: 
        * remote-utils.c: 
        * regcache.h: 
        * utils.c: 
        * Makefile.in: 
        * configure.ac: 
        * gdbserver.1: Add (C) after Copyright.  Update the FSF
        address.

2005-11-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-arm-low.c (arm_eabi_breakpoint): New variable.
        (arm_breakpoint_at): Recognize both breakpoints.
        (the_low_target): Use the correct breakpoint instruction.

2005-11-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.srv (x86_64-*-linux*): Turn on thread_db support.
        * linux-x86-64-low.c (x86_64_breakpoint, x86_64_breakpoint_len)
        (x86_64_get_pc, x86_64_set_pc, x86_64_breakpoint_at): New.
        (the_low_target): Update.

2005-10-25  Andreas Schwab  <schwab@suse.de>

        * server.c (main): Allocate mem_buf with PBUFSIZ bytes.

        * linux-ia64-low.c (ia64_regmap): Remove NAT registers.
        (ia64_num_regs): Reduce to 462.

2005-09-17  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4: Correct quoting.
        * aclocal.m4: Regenerated.

        Suggested by SZOKOVACS Robert <szo@ies.hu>:
        * thread-db.c (thread_db_err_str): Handle TD_VERSION.
        (thread_db_init): Call thread_db_err_str.
        * configure.ac: Check for TD_VERSION.
        * config.in, configure: Regenerated.

2005-07-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * server.h (error, fatal, warning): Add ATTR_FORMAT.

2005-07-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * configure.ac: Define HAVE_LINUX_REGSETS even if PTRACE_GETREGS
        is not available.  Define HAVE_PTRACE_GETREGS if it is.
        * config.in, configure: Regenerated.
        * configure.srv: Set srv_linux_regsets for PowerPC and PowerPC64.
        * linux-i386-low.c, linux-m68k-low.c: Update to use
        HAVE_PTRACE_GETREGS.
        * linux-low.c (regsets_fetch_inferior_registers)
        (regsets_store_inferior_registers): Only return 0 if we processed
        GENERAL_REGS.
        * linux-ppc-low.c (ppc_fill_gregset, target_regsets): New.
        * linux-ppc64-low.c (ppc_fill_gregset, target_regsets): New.

2005-07-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * inferiors.c (struct thread_info): Add gdb_id.
        (add_thread): Add gdb_id argument.
        (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): New.
        * linux-low.c (linux_create_inferior, linux_attach_lwp): Update
        calls to add_thread.
        * remote-utils.c (prepare_resume_reply: Use thread_to_gdb_id.
        * server.c (handle_query): Use thread_to_gdb_id.
        (handle_v_cont, main): Use gdb_id_to_thread_id.
        * server.h (add_thread): Update prototype.
        (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): New
        prototypes.

2005-07-13  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (fetch_register, usr_store_inferior_registers): Handle
        left-padded registers.
        * linux-low.h (struct linux_target_ops): Add left_pad_xfer.
        * linux-ppc64-low.c (the_low_target): Set left_pad_xfer.

2005-07-01  Steve Ellcey  <sje@cup.hp.com>

        * configure.ac (BFD_NEED_DECLARATION): Replace with AC_CHECK_DECLS.
        * configure: Regenerate.
        * config.in: Regenerate.
        * server.h (NEED_DECLARATION_STRERROR):
        Replace with !HAVE_DECL_STRERROR.

2005-06-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * linux-low.c (linux_wait, linux_send_signal): Don't test
        an unsigned long variable for > 0 if it could be MAX_ULONG.
        * server.c (myresume): Likewise.
        * target.c (set_desired_inferior): Likewise.

2005-06-13  Mark Kettenis  <kettenis@gnu.org>

        * configure.ac: Simplify and improve check for socklen_t.
        * configure, config.in: Regenerate.

2005-06-12  Daniel Jacobowitz  <dan@codesourcery.com>

        * acconfig.h: Remove.
        * configure.ac: Add a test for socklen_t.  Use three-argument
        AC_DEFINE throughout.
        * config.in: Regenerated using autoheader 2.59.
        * configure: Regenerated.

        * gdbreplay.c (socklen_t): Provide a default.
        (remote_open): Use socklen_t.
        * remote-utils.c (socklen_t): Provide a default.
        (remote_open): Use socklen_t.
        (convert_int_to_ascii, convert_ascii_to_int, decode_M_packet): Use
        unsigned char.

        * i387-fp.c (struct i387_fsave, struct i387_fxsave): Use unsigned
        char for buffers.
        * linux-low.c (linux_read_memory, linux_write_memory)
        (linux_read_auxv): Likewise.
        * mem-break.c (breakpoint_data, set_breakpoint_data, check_mem_read)
        (check_mem_write): Likewise.
        * mem-break.h (set_breakpoint_data, check_mem_read, check_mem_write):
        Likewise.
        * regcache.c (struct inferior_rgcache_data, registers_to_string)
        (registers_from_string, register_data): Likewise.
        * server.c (handle_query, main): Likewise.
        * server.h (convert_ascii_to_int, convert_int_to_ascii)
        (decode_M_packet): Likewise.
        * target.c (read_inferior_memory, write_inferior_memory): Likewise.
        * target.h (struct target_ops): Update read_memory, write_memory,
        and read_auxv.
        (read_inferior_memory, write_inferior_memory): Update.
        * linux-low.h (struct linux_target_ops): Change type of breakpoint
        to unsigned char *.
        * linux-arm-low.c, linux-cris-low.c, linux-crisv32-low.c,
        linux-i386-low.c, linux-m32r-low.c, linux-m68k-low.c,
        linux-mips-low.c, linux-ppc-low.c, linux-ppc64-low.c,
        linux-s390-low.c, linux-sh-low.c: Update for changes in
        read_inferior_memory and the_low_target->breakpoint.

2005-05-28  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (SFILES): Add linux-ppc64-low.c.
        (linux-ppc64-low.o, reg-ppc64.c, reg-ppc64.o): New targets.
        * configure.srv: Add powerpc64-*-linux*.
        * linux-ppc64-low.c: New file.

2005-05-23  Orjan Friberg  <orjanf@axis.com>

        * linux-cris-low.c: New file with support for CRIS.
        * linux-crisv32-low.c: Ditto for CRISv32.
        * Makefile.in (SFILES): Add linux-cris-low.c, linux-crisv32-low.c.
        (clean): Add reg-cris.c and reg-crisv32.c.
        Add linux-cris-low.o, linux-crisv32-low.o, reg-cris.o, reg-cris.c, 
        reg-crisv32.o, and reg-crisv32.c to make rules.
        * configure.srv: Add cris-*-linux* and crisv32-*-linux* to list of
        recognized targets.

2005-05-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-low.c (fetch_register): Ensure buffer size is a multiple
        of sizeof (PTRACE_XFER_TYPE).
        (usr_store_inferior_registers): Likewise.  Zero out excess bytes.

2005-05-12  Orjan Friberg  <orjanf@axis.com>

        * target.h (struct target_ops): Add insert_watchpoint, 
        remove_watchpoint, stopped_by_watchpoint, stopped_data_address function
        pointers for hardware watchpoint support.
        * linux-low.h (struct linux_target_ops): Ditto.
        * linux-low.c (linux_insert_watchpoint, linux_remove_watchpoint)
        (linux_stopped_by_watchpoint, linux_stopped_data_address): New.  Add
        to linux_target_ops.
        * remote-utils.c (prepare_resume_reply): Add watchpoint information to
        reply packet.
        * server.c (main): Recognize 'Z' and 'z' packets.

2005-05-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * linux-s390-low.c (s390_breakpoint, s390_breakpoint_len): Define.
        (s390_get_pc, s390_set_pc, s390_breakpoint_at): New functions.
        (the_low_target): Add new members.

2005-05-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * proc-service.c (ps_lgetregs): Search all_processes instead of
        all_threads.

2005-05-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * server.c (start_inferior): Change return type to int.
        (attach_inferior): Change sigptr to int *.
        (handle_v_cont, handle_v_requests): Change signal to int *.
        (main): Change signal to int.

2005-04-15  Kei Sakamoto  <sakamoto.kei@renesas.com>

        * Makefile.in: Add linux-m32r-low.o, reg-m32r.c and reg-m32r.o.
        * configure.srv: Add m32r*-*-linux*.
        * linux-m32r-low.c: New file.

2005-03-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (stamp-h): Set CONFIG_HEADERS explicitly.

2005-03-03  Daniel Jacobowitz  <dan@codesourcery.com>

        * inferiors.c (change_inferior_id, add_thread, find_inferior_id):
        Take unsigned long arguments for PIDs.
        * linux-low.c (add_process, linux_attach_lwp, linux_attach)
        (linux_thread_alive, linux_wait_for_event, kill_lwp, send_sigstop)
        (wait_for_sigstop, linux_resume_one_process)
        (regsets_fetch_inferior_registers, linux_send_signal)
        (linux_read_auxv): Likewise.  Update the types of variables holding
        PIDs.  Update format string specifiers.
        * linux-low.h (struct process_info, linux_attach_lwp): Likewise.
        * remote-utils.c (prepare_resume_reply): Likewise.
        * server.c (cont_thread, general_thread, step_thread)
        (thread_from_wait, old_thread_from_wait, signal_pid): Change type to
        unsigned long.
        (handle_query): Update format specifiers.
        (handle_v_cont, main): Use strtoul for thread IDs.
        * server.h (struct inferior_list_entry): Use unsigned long for ID.
        (add_thread, find_inferior_id, change_inferior_id, cont_thread)
        (general_thread, step_thread, thread_from_wait)
        (old_thread_from_wait): Update.
        * target.h (struct thread_resume): Use unsigned long for THREAD.
        (struct target_ops): Use unsigned long for arguments to attach and
        thread_alive.

2005-02-24  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4: Include bfd/bfd.m4 directly.
        * configure.ac: Use AC_ARG_PROGRAM.  Suggested by Aron Griffis
        <agriffis@toolchain.org>.
        * aclocal.m4, configure: Regenerated.

2005-01-07  Andrew Cagney  <cagney@gnu.org>

        * configure.ac: Rename configure.in, require autoconf 2.59.
        * configure: Re-generate.

2004-12-08  Daniel Jacobowitz  <dan@debian.org>

        * acinclude.m4 (SRV_CHECK_THREAD_DB): Add ps_get_thread_area.  Reset
        LIBS when finished.
        * aclocal.m4: Regenerated.
        * configure: Regenerated.

2004-11-21  Andreas Schwab  <schwab@suse.de>

        * linux-m68k-low.c (m68k_num_gregs): Define.
        (m68k_fill_gregset, m68k_store_gregset, m68k_fill_fpregset)
        (m68k_store_fpregset, target_regsets) [HAVE_LINUX_REGSETS]: New.
        (m68k_breakpoint, m68k_breakpoint_len, m68k_get_pc, m68k_set_pc)
        (m68k_breakpoint_at): New.  Add to the_low_target.

        * configure.srv (m68*-*-linux*): Set srv_linux_regsets and
        srv_linux_thread_db to yes.

2004-10-20  Joel Brobecker  <brobecker@gnat.com>

        * linux-x86-64-low.c (ARCH_SET_GS): Add definition if missing.
        (ARCH_SET_FS): Likewise.
        (ARCH_GET_FS): Likewise.
        (ARCH_GET_GS): Likewise.

2004-10-16  Daniel Jacobowitz  <dan@debian.org>

        * linux-i386-low.c (ps_get_thread_area): New.
        * linux-x86-64-low.c (ps_get_thread_area): New.
        * linux-low.c: Include <sys/syscall.h>.
        (linux_kill_one_process): Don't kill the first thread here.
        (linux_kill): Kill the first thread here.
        (kill_lwp): New function.
        (send_sigstop, linux_send_signal): Use it.
        * proc-service.c: Clean up #ifdefs.
        (fpregset_info): Delete.
        (ps_lgetregs): Update and enable implementation.
        (ps_lsetregs, ps_lgetfpregs, ps_lsetfpregs): Remove disabled
        implementations.
        * remote-utils.c (struct sym_cache, symbol_cache): New.
        (input_interrupt): Print a clearer message.
        (async_io_enabled): New variable.
        (enable_async_io, disable_async_io): Use it.  Update comments.
        (look_up_one_symbol): Use the symbol cache.
        * thread-db.c (thread_db_look_up_symbols): New function.
        (thread_db_init): Update comments.  Call thread_db_look_up_symbols.

2004-10-16  Daniel Jacobowitz  <dan@debian.org>

        * configure.in: Test for -rdynamic.
        * configure: Regenerated.
        * Makefile (INTERNAL_LDFLAGS): New.
        (gdbserver, gdbreplay): Use it.

2004-09-02  Andrew Cagney  <cagney@gnu.org>

        * Makefile.in (TAGS): Replace TM_FILE with DEPRECATED_TM_FILE.

2004-03-23  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (linux_wait): Clear all_processes list also.

2004-03-12  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c: Include <errno.h>.  Remove extern declaration of
        errno.

2004-03-12  Daniel Jacobowitz  <drow@mvista.com>

        * gdbreplay.c, server.h, utils.c: Update copyright years.

2004-03-04  Nathan J. Williams  <nathanw@wasabisystems.com>

        * server.c (main): Print child status or termination signal from
        variable 'signal', not 'sig'.

2004-03-04  Nathan J. Williams  <nathanw@wasabisystems.com>

        * linux-low.c (linux_read_memory): Change return type to
        int.  Check for and return error from ptrace().
        * target.c (read_inferior_memory): Change return type to int.  Pass
        back return status from the_target->read_memory().
        * target.h (struct target_ops): Adapt *read_memory() prototype.
        Update comment.
        (read_inferior_memory): Adapt prototype.
        * server.c (main): Return an error packet if
        read_inferior_memory() returns an error.

2004-03-04  Daniel Jacobowitz  <drow@mvista.com>

        * Makefile.in (distclean): Remove config.h, stamp-h, and config.log.
        Unify with other clean targets.

2004-02-29  Daniel Jacobowitz  <drow@mvista.com>

        * server.c (handle_v_cont): Call set_desired_inferior.

2004-02-29  Daniel Jacobowitz  <drow@mvista.com>

        * remote-utils.c (prepare_resume_reply): Always supply "thread:".

2004-02-29  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (linux_wait): Unblock async I/O.
        (linux_resume): Block and enable async I/O.
        * remote-utils.c (block_async_io, unblock_async_io): New functions.
        * server.h (block_async_io, unblock_async_io): Add prototypes.

2004-02-29  Daniel Jacobowitz  <drow@mvista.com>

        * remote-utils.c (remote_open): Print a status notice after
        opening a TCP port.
        * server.c (attach_inferior): Print a status notice after
        attaching.

2004-02-29  Daniel Jacobowitz  <drow@mvista.com>

        * linux-arm-low.c (arm_get_pc): Print out stop PC in debug mode.

2004-02-26  Daniel Jacobowitz  <drow@mvista.com>

        * remote-utils.c (write_enn): Use "E01" instead of "ENN" for the
        error packet.
        * server.c, target.h: Update copyright years.

2004-02-25  Roland McGrath  <roland@redhat.com>

        * target.h (struct target_ops): New member `read_auxv'.
        * server.c (handle_query): Handle qPart:auxv:read: query using that.
        * linux-low.c (linux_read_auxv): New function.
        (linux_target_ops): Initialize `read_auxv' member to that.

2004-02-17  Ulrich Weigand <Ulrich.Weigand@de.ibm.com>

        Committed by Jim Blandy  <jimb@redhat.com>.

        * linux-s390-low.c (s390_num_regs): Update.
        (s390_regmap): Remove control registers.  Use __s390x__ predefine
        instead of GPR_SIZE to distiguish s390 and s390x targets.

2004-01-31  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c: Update copyright year.
        (check_removed_breakpoint): Clear pending_is_breakpoint.
        (linux_set_resume_request, linux_queue_one_thread)
        (resume_status_pending_p): New functions.
        (linux_continue_one_thread): Use process->resume.
        (linux_resume): Only resume threads if there are no pending events.
        * linux-low.h (struct process_info): Add resume request
        pointer.

2004-01-30  Daniel Jacobowitz  <drow@mvista.com>

        * regcache.c (new_register_cache): Clear the allocated register
        buffer.  Suggested by Atsushi Nemoto <anemo@mba.ocn.ne.jp>.

2003-10-13  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (linux_resume): Take a struct thread_resume *
        argument.
        (linux_wait): Update call.
        (resume_ptr): New static variable.
        (linux_continue_one_thread): Renamed from
        linux_continue_one_process.  Use resume_ptr.
        (linux_resume): Use linux_continue_one_thread.
        * server.c (handle_v_cont, handle_v_requests): New functions.
        (myresume): New function.
        (main): Handle 'v' case.
        * target.h (struct thread_resume): New type.
        (struct target_ops): Change argument of "resume" to struct
        thread_resume *.
        (myresume): Delete macro.

2003-08-08  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (install-only): Create dest dir. Support DESTDIR.
        (uninstall): Support DESTDIR.

Mon Jul 21 20:09:34 UTC 2003  Brendan Conoboy  <blc@redhat.com>

        * configure.srv: Add xscale*linux copy of arm*linux entry.

2003-07-24  Daniel Jacobowitz  <drow@mvista.com>

        * linux-arm-low.c (arm_reinsert_addr): New function.
        (the_low_target): Add arm_reinsert_addr.

2003-07-08  Mark Kettenis  <kettenis@gnu.org>

        * mem-break.c: Remove whitespace at end of file.

2003-06-28  Daniel Jacobowitz  <drow@mvista.com>

        * configure.in: Check whether we need to prototype strerror.
        * server.h: Optionally prototype strerror.
        * gdbreplay.c (perror_with_name): Use strerror.
        * linux-low.c (linux_attach_lwp): Use strerror.
        * utils.c (perror_with_name): Use strerror.
        * config.in, configure: Regenerated.

2003-06-28  Daniel Jacobowitz  <drow@mvista.com>

        * linux-sh-low.c (sh_regmap): Fix FP register offsets, reported by
        SUGIOKA Toshinobu <sugioka@itonet.co.jp>.

2003-06-20  Daniel Jacobowitz  <drow@mvista.com>

        * Makefile.in (SFILES): Update.
        * low-hppabsd.c, low-lynx.c, low-nbsd.c, low-sim.c, low-sparc.c,
        low-sun3.c: Remove files.

2003-06-17  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c: Move comment to linux_thread_alive where it belonged.
        (linux_detach_one_process, linux_detach): New functions.
        (linux_target_ops): Add linux_detach.
        * server.c (main): Handle 'D' packet.
        * target.h (struct target_ops): Add "detach" member.
        (detach_inferior): Define.

2003-06-13  Mark Kettenis  <kettenis@gnu.org>

        From Kelley Cook  <kelleycook@wideopenwest.com>:
        * configure.srv: Accept i[34567]86 variants.

2003-06-05  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (linux_wait_for_event): Correct comment typos.
        (linux_resume_one_process): Call check_removed_breakpoint.
        (linux_send_signal): New function.
        (linux_target_ops): Add linux_send_signal.
        * remote-utils.c (putpkt, input_interrupt): Use send_signal instead
        of kill.
        * target.h (struct target_ops): Add send_signal.

2003-05-29  Jim Blandy  <jimb@redhat.com>

        * linux-low.c (usr_store_inferior_registers): Transfer buf in
        PTRACE_XFER_TYPE-sized chunks, not int-sized chunks.  Otherwise,
        if 'int' is smaller than PTRACE_XFER_TYPE, you end up throwing
        away part of the register's value.

2003-03-26  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (linux_create_inferior): Use __SIGRTMIN.
        (linux_wait_for_event, linux_init_signals): Likewise.

2003-03-17  Daniel Jacobowitz  <drow@mvista.com>

        * configure.in: Check for stdlib.h.
        * configure: Regenerated.
        * config.in: Regenerated.

2003-01-04  Andreas Schwab  <schwab@suse.de>

        * linux-m68k-low.c (m68k_num_regs): Define to 29 instead of 31.

2003-01-02  Andrew Cagney  <ac131313@redhat.com>

        * Makefile.in: Remove obsolete code.

2002-11-20  Daniel Jacobowitz  <drow@mvista.com>

        * linux-s390-low.c (s390_regmap): Check GPR_SIZE instead of
        defined(PT_FPR0_HI).

2002-11-17  Stuart Hughes  <seh@zee2.com>

        * linux-arm-low.c (arm_num_regs): Increase.
        (arm_regmap): Include status register.

2002-11-17  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (register_addr): Remove incorrect -1 check.

2002-08-29  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (linux_create_inferior): Call setpgid.  Return
        the new PID.
        (unstopped_p, linux_signal_pid): Remove.
        (linux_target_ops): Remove linux_signal_pid.
        * remote-utils.c (putpkt, input_interrupt): Use signal_pid
        global instead of target method.
        * target.h (struct target_ops): Remove signal_pid.  Update comment
        for create_inferior.
        * server.c (signal_pid): New variable.
        (create_inferior): Set signal_pid.  Block SIGTTOU and SIGTTIN in
        gdbserver.  Set the child to be the foreground process group.
        (attach_inferior): Set signal_pid.

2002-08-23  Daniel Jacobowitz  <drow@mvista.com>

        * ChangeLog: New file, with entries from gdb/ChangeLog after GDB 5.2.

2002-08-20  Jim Blandy  <jimb@redhat.com>

        * Makefile.in (LDFLAGS): Allow the configure script to establish a
        default for this.

2002-08-01  Andrew Cagney  <cagney@redhat.com>

        * Makefile.in: Make chill references obsolete.

2002-07-24  Kevin Buettner  <kevinb@redhat.com>

        * configure.in (unistd.h): Add to AC_CHECK_HEADERS list.
        * configure: Regenerate.
        * config.in: Regenerate.

2002-07-09  David O'Brien  <obrien@FreeBSD.org>

        * gdbreplay.c (stdlib.h, unistd.h): Conditionaly include.
        (perror_with_name, remote_close, remote_open, expect, play): Static.

2002-07-04  Michal Ludvig  <mludvig@suse.cz>

        * linux-x86-64-low.c (x86_64_regmap): Make it an array of
        byte offsets instead of an array of indexes.
        (x86_64_store_gregset, x86_64_store_fpregset): Parameter made const.

2002-06-13  Daniel Jacobowitz  <drow@mvista.com>

        * regcache.c: Add comment.

2002-06-11  Daniel Jacobowitz  <drow@mvista.com>

        * thread-db.c: New file.
        * proc-service.c: New file.
        * acinclude.m4: New file.
        * Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h,
        proc-service.o, and thread-db.o.
        (linux-low.o): Add USE_THREAD_DB.
        * acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T,
        HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN.
        * aclocal.m4: Regenerated.
        * config.in: Regenerated.
        * configure: Regenerated.
        * configure.in: Check for proc_service.h, sys/procfs.h,
        thread_db.h, and linux/elf.h headrs.
        Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and
        PRFPREGSET_T_BROKEN.  Introduce srv_thread_depfiles and USE_THREAD_DB.
        Check for -lthread_db and thread support.
        * configure.srv: Enable thread_db support for ARM, i386, MIPS,
        PowerPC, and SuperH.
        * i387-fp.c: Constify arguments.
        * i387-fp.h: Likewise.
        * inferiors.c: (struct thread_info): Renamed from
        `struct inferior_info'.  Remove PID member.  Use generic inferior
        list header.  All uses updated.
        (inferiors, signal_pid): Removed.
        (all_threads): New variable.
        (get_thread): Define.
        (add_inferior_to_list): New function.
        (for_each_inferior): New function.
        (change_inferior_id): New function.
        (add_inferior): Removed.
        (remove_inferior): New function.
        (add_thread): New function.
        (free_one_thread): New function.
        (remove_thread): New function.
        (clear_inferiors): Use for_each_inferior and free_one_thread.
        (find_inferior): New function.
        (find_inferior_id): New function.
        (inferior_target_data): Update argument type.
        (set_inferior_target_data): Likewise.
        (inferior_regcache_data): Likewise.
        (set_inferior_regcache_data): Likewise.
        * linux-low.c (linux_bp_reinsert): Remove.
        (all_processes, stopping_threads, using_thrads)
        (struct pending_signals, debug_threads, pid_of): New.
        (inferior_pid): Replace with macro.
        (struct inferior_linux_data): Remove.
        (get_stop_pc, add_process): New functions.
        (linux_create_inferior): Restore SIGRTMIN+1 before calling exec.
        Use add_process and add_thread.
        (linux_attach_lwp): New function, based on old linux_attach.  Use
        add_process and add_thread.  Set stop_expected for new threads.
        (linux_attach): New function.
        (linux_kill_one_process): New function.
        (linux_kill): Kill all LWPs.
        (linux_thread_alive): Use find_inferior_id.
        (check_removed_breakpoints, status_pending_p): New functions.
        (linux_wait_for_process): Renamed from linux_wait_for_one_inferior.
        Update.  Use WNOHANG.  Wait for cloned processes also.  Update process
        struct for the found process.
        (linux_wait_for_event): New function.
        (linux_wait): Use it.  Support LWPs.
        (send_sigstop, wait_for_sigstop, stop_all_processes)
        (linux_resume_one_process, linux_continue_one_process): New functions.
        (linux_resume): Support LWPs.
        (REGISTER_RAW_SIZE): Remove.
        (fetch_register): Use register_size instead.  Call supply_register.
        (usr_store_inferior_registers): Likewise.  Call collect_register.
        Fix recursive case.
        (regsets_fetch_inferior_registers): Improve error message.
        (regsets_store_inferior_registers): Add debugging.
        (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB.
        (unstopped_p, linux_signal_pid): New functions.
        (linux_target_ops): Add linux_signal_pid.
        (linux_init_signals): New function.
        (initialize_low): Call it.  Initialize using_threads.
        * regcache.c (inferior_regcache_data): Add valid
        flag.
        (get_regcache): Fetch registers lazily.  Add fetch argument
        and update all callers.
        (regcache_invalidate_one, regcache_invalidate): New
        functions.
        (new_register_cache): Renamed from create_register_cache.
        Return the new regcache.
        (free_register_cache): Change argument to a void *.
        (registers_to_string, registers_from_string): Call get_regcache
        with fetch flag set.
        (register_data): Make static.  Pass fetch flag to get_regcache.
        (supply_register): Call get_regcache with fetch flag clear.
        (collect_register): Call get_regcache with fetch flag set.
        (collect_register_as_string): New function.
        * regcache.h: Update.
        * remote-utils.c (putpkt): Flush after debug output and use
        stderr.
        Handle input interrupts while waiting for an ACK.
        (input_interrupt): Use signal_pid method.
        (getpkt): Flush after debug output and use stderr.
        (outreg): Use collect_register_as_string.
        (new_thread_notify, dead_thread_notify): New functions.
        (prepare_resume_reply): Check using_threads.  Set thread_from_wait
        and general_thread.
        (look_up_one_symbol): Flush after debug output.
        * server.c (step_thread, server_waiting): New variables.
        (start_inferior): Don't use signal_pid.  Update call to mywait.
        (attach_inferior): Update call to mywait.
        (handle_query): Handle qfThreadInfo and qsThreadInfo.
        (main): Don't fetch/store registers explicitly.  Use
        set_desired_inferior.  Support proposed ``Hs'' packet.  Update
        calls to mywait.
        * server.h: Update.
        (struct inferior_list, struct_inferior_list_entry): New.
        * target.c (set_desired_inferior): New.
        (write_inferior_memory): Constify.
        (mywait): New function.
        * target.h: Update.
        (struct target_ops): New signal_pid method.
        (mywait): Removed macro, added prototype.

        * linux-low.h (regset_func): Removed.
        (regset_fill_func, regset_store_func): New.
        (enum regset_type): New.
        (struct regset_info): Add type field.  Use new operation types.
        (struct linux_target_ops): stop_pc renamed to get_pc.
        Add decr_pc_after_break and breakpoint_at.
        (get_process, get_thread_proess, get_process_thread)
        (strut process_info, all_processes, linux_attach_lwp)
        (thread_db_init): New.

        * linux-arm-low.c (arm_get_pc, arm_set_pc,
        arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New.
        (the_low_target): Add new members.
        * linux-i386-low.c (i386_store_gregset, i386_store_fpregset)
        (i386_store_fpxregset): Constify.
        (target_regsets): Add new kind identifier.
        (i386_get_pc): Renamed from i386_stop_pc.  Simplify.
        (i386_set_pc): Add debugging.
        (i386_breakpoint_at): New function.
        (the_low_target): Add new members.
        * linux-mips-low.c (mips_get_pc, mips_set_pc)
        (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr)
        (mips_breakpoint_at): New.
        (the_low_target): Add new members.
        * linux-ppc-low.c (ppc_get_pc, ppc_set_pc)
        (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New.
        (the_low_target): Add new members.
        * linux-sh-low.c (sh_get_pc, sh_set_pc)
        (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New.
        (the_low_target): Add new members.
        * linux-x86-64-low.c (target_regsets): Add new kind
        identifier.

2002-05-15  Daniel Jacobowitz  <drow@mvista.com>

        From Martin Pool <mbp@samba.org>:
        * server.c (gdbserver_usage): New function.
        (main): Call it.

2002-05-14  Daniel Jacobowitz  <drow@mvista.com>

        * mem-break.c (reinsert_breakpoint_by_bp): Correct typo
        stop_at -> stop_pc.

2002-05-04  Andrew Cagney  <ac131313@redhat.com>

        * Makefile.in: Remove obsolete code.

2002-04-24  Michal Ludvig  <mludvig@suse.cz>

        * linux-low.c (regsets_fetch_inferior_registers),
        (regsets_store_inferior_registers): Removed cast to int from
        ptrace() calls.
        * regcache.h: Added declaration of struct inferior_info.

2002-04-20  Daniel Jacobowitz  <drow@mvista.com>

        * inferiors.c (struct inferior_info): Add regcache_data.
        (add_inferior): Call create_register_cache.
        (clear_inferiors): Call free_register_cache.
        (inferior_regcache_data, set_inferior_regcache_data): New functions.
        * regcache.c (struct inferior_regcache_data): New.
        (registers): Remove.
        (get_regcache): New function.
        (create_register_cache, free_register_cache): New functions.
        (set_register_cache): Don't initialize the register cache here.
        (registers_to_string, registers_from_string, register_data): Call
        get_regcache.
        * regcache.h: Add prototypes.
        * server.h: Likewise.

2002-04-20  Daniel Jacobowitz  <drow@mvista.com>

        * mem-break.c: New file.
        * mem-break.h: New file.
        * Makefile.in: Add mem-break.o rule; update server.h
        dependencies.
        * inferiors.c (struct inferior_info): Add target_data
        member.
        (clear_inferiors): Free target_data member if set.
        (inferior_target_data, set_inferior_target_data): New functions.
        * linux-i386-low.c (i386_breakpoint, i386_breakpoint_len)
        (i386_stop_pc, i386_set_pc): New.  Add to the_low_target.
        * linux-low.c (linux_bp_reinsert): New variable.
        (struct inferior_linux_data): New.
        (linux_create_inferior): Use set_inferior_target_data.
        (linux_attach): Likewise.  Call add_inferior.
        (linux_wait_for_one_inferior): New function.
        (linux_wait): Call it.
        (linux_write_memory): Add const.
        (initialize_low): Call set_breakpoint_data.
        * linux-low.h (struct linux_target_ops): Add breakpoint
        handling members.
        * server.c (attach_inferior): Remove extra add_inferior
        call.
        * server.h: Include mem-break.h.  Update inferior.c
        prototypes.
        * target.c (read_inferior_memory)
        (write_inferior_memory): New functions.
        * target.h (read_inferior_memory)
        (write_inferior_memory): Change macros to prototypes.
        (struct target_ops): Update comments.  Add const to write_memory
        definition.

2002-04-11  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.c (usr_store_inferior_registers): Support
        registers which are allowed to fail to store.
        * linux-low.h (linux_target_ops): Likewise.
        * linux-ppc-low.c (ppc_regmap): Support FPSCR.
        (ppc_cannot_store_register): FPSCR may not be storable.

2002-04-09  Daniel Jacobowitz  <drow@mvista.com>

        * server.h: Include <string.h> if HAVE_STRING_H.
        * ChangeLog: Correct paths in last ChangeLog entry.

2002-04-09  Daniel Jacobowitz  <drow@mvista.com>

        * linux-low.h: Remove obsolete prototypes.
        (struct linux_target_ops): New.
        (extern the_low_target): New.
        * linux-low.c (num_regs, regmap): Remove declarations.
        (register_addr): Use the_low_target explicitly.
        (fetch_register): Likewise.
        (usr_fetch_inferior_registers): Likewise.
        (usr_store_inferior_registers): Likewise.
        * linux-arm-low.c (num_regs): Remove.
        (arm_num_regs): Define.
        (arm_regmap): Renamed from regmap, made static.
        (arm_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (arm_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-i386-low.c (num_regs): Remove.
        (i386_num_regs): Define.
        (i386_regmap): Renamed from regmap, made static.
        (i386_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (i386_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-ia64-low.c (num_regs): Remove.
        (ia64_num_regs): Define.
        (ia64_regmap): Renamed from regmap, made static.
        (ia64_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (ia64_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-m68k-low.c (num_regs): Remove.
        (m68k_num_regs): Define.
        (m68k_regmap): Renamed from regmap, made static.
        (m68k_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (m68k_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-mips-low.c (num_regs): Remove.
        (mips_num_regs): Define.
        (mips_regmap): Renamed from regmap, made static.
        (mips_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (mips_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-ppc-low.c (num_regs): Remove.
        (ppc_num_regs): Define.
        (ppc_regmap): Renamed from regmap, made static.
        (ppc_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (ppc_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-s390-low.c (num_regs): Remove.
        (s390_num_regs): Define.
        (s390_regmap): Renamed from regmap, made static.
        (s390_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (s390_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-sh-low.c (num_regs): Remove.
        (sh_num_regs): Define.
        (sh_regmap): Renamed from regmap, made static.
        (sh_cannot_fetch_register): Renamed from cannot_fetch_register,
        made static.
        (sh_cannot_store_register): Renamed from cannot_store_register,
        made static.
        (the_low_target): New.
        * linux-x86-64-low.c (x86_64_regmap): Renamed from regmap.
        (the_low_target): New.

2002-04-09  Daniel Jacobowitz  <drow@mvista.com>

        * Makefile.in: Add stamp-h target.
        * configure.in: Create stamp-h.
        * configure: Regenerated.

2002-04-09  Daniel Jacobowitz  <drow@mvista.com>

        * inferiors.c: New file.
        * target.c: New file.
        * target.h: New file.
        * Makefile.in:  Add target.o and inferiors.o.  Update
        dependencies.
        * linux-low.c (inferior_pid): New static variable,
        moved from server.c.
        (linux_create_inferior): Renamed from create_inferior.
        Call add_inferior.  Return 0 on success instead of a PID.
        (linux_attach): Renamed from myattach.
        (linux_kill): Renamed from kill_inferior.  Call clear_inferiors ().
        (linux_thread_alive): Renamed from mythread_alive.
        (linux_wait): Renamed from mywait.  Call clear_inferiors () if the
        child dies.
        (linux_resume): Renamed from myresume.  Add missing ``return 0''.
        (regsets_store_inferior_registers): Correct error message.
        Add missing ``return 0''.
        (linux_fetch_registers): Renamed from fetch_inferior_registers.
        (linux_store_registers): Renamed from store_inferior_registers.
        (linux_read_memory): Renamed from read_inferior_memory.
        (linux_write_memory): Renamed from write_inferior_memory.
        (linux_target_ops): New structure.
        (initialize_low): Call set_target_ops ().
        * remote-utils.c (unhexify): New function.
        (hexify): New function.
        (input_interrupt): Send signals to ``signal_pid''.
        * server.c (inferior_pid): Remove.
        (start_inferior): Update create_inferior call.
        (attach_inferior): Call add_inferior.
        (handle_query): New function.
        (main): Call handle_query for `q' packets.
        * server.h: Include "target.h".  Remove obsolete prototypes.
        Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.

2002-04-09  Daniel Jacobowitz  <drow@mvista.com>

        * Makefile.in: Add WARN_CFLAGS.  Update configury
        dependencies.
        * configure.in: Check for <string.h>
        * configure: Regenerate.
        * config.in: Regenerate.
        * gdbreplay.c: Include needed system headers.
        (remote_open): Remove strchr prototype.
        * linux-low.h: Correct #ifdef to HAVE_LINUX_USRREGS.
        * regcache.c (supply_register): Change buf argument to const void *.
        (supply_register_by_name): Likewise.
        (collect_register): Change buf argument to void *.
        (collect_register_by_name): Likewise.
        * regcache.h: Add missing prototypes.
        * remote-utils.c: Include <arpa/inet.h> for inet_ntoa.
        * server.c (handle_query): New function.
        (attached): New static variable, moved out of main.
        (main): Quiet longjmp clobber warnings.
        * server.h: Add ATTR_NORETURN and ATTR_FORMAT.  Update prototypes.
        * utils.c (error): Remove NORETURN.
        (fatal): Likewise.