| Age | Commit message (Collapse) | Author | Files | Lines |
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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.
gdb/
2010-06-01 Pedro Alves <pedro@codesourcery.com>
* NEWS: Mention gdbserver fast tracepoints support.
gdb/doc/
2010-06-01 Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (Set Tracepoints): Mention tracepoints support in
gdbserver, and add cross reference.
(Tracepoints support in gdbserver): New subsection.
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(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.
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* 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.
gdb/
* regformats/regdat.sh: Include server.h. Don't include
regcache.h.
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(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.
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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.
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(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.
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* 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.
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Automatic update by copyright.sh.
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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.
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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.
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Switch the license of all .h files to GPLv3.
Switch the license of all .cc files to GPLv3.
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* 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.
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* arm-wince-tdep.c: New.
* config/arm/wince.mt (DEPRECATED_TM_FILE): Use tm-arm.h.
(MT_CFLAGS): Delete.
(TM_CLIBS): Delete.
(TDEPFILES): Add arm-wince-tdep.o, corelow.o, solib.o,
solib-legacy.o, solib-svr4.o, and remove wince.o.
* configure.tgt (arm*-*-mingw32ce*): Add.
* signals/signals.c [HAVE_SIGNAL_H]: Check.
(do_target_signal_to_host): Silence 'not used' warning.
* config/arm/tm-wince.h: Remove.
gdb/gdbserver/
* gdbserver/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.
* gdbserver/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.
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* linux-cris-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.
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* 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.
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* gdbserver/mem-break.c: New file.
* gdbserver/mem-break.h: New file.
* gdbserver/Makefile.in: Add mem-break.o rule; update server.h
dependencies.
* gdbserver/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.
* gdbserver/linux-i386-low.c (i386_breakpoint, i386_breakpoint_len)
(i386_stop_pc, i386_set_pc): New. Add to the_low_target.
* gdbserver/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.
* gdbserver/linux-low.h (struct linux_target_ops): Add breakpoint
handling members.
* gdbserver/server.c (attach_inferior): Remove extra add_inferior
call.
* gdbserver/server.h: Include mem-break.h. Update inferior.c
prototypes.
* gdbserver/target.c (read_inferior_memory)
(write_inferior_memory): New functions.
* gdbserver/target.h (read_inferior_memory)
(write_inferior_memory): Change macros to prototypes.
(struct target_ops): Update comments. Add const to write_memory
definition.
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