Linux x86 low-level debug register code synchronization
[deliverable/binutils-gdb.git] / gdb / gdbserver / ChangeLog
index 04410fe170c8f123f45f1f10b5220f4d98afffa6..10135aeb2b9d5e65f6a75f43d4be4f92c5f6ccfe 100644 (file)
@@ -1,3 +1,835 @@
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-x86-low.c (x86_linux_dr_get): Add assertion.
+       Use perror_with_name.  Pass string through gettext.
+       (x86_linux_dr_set): Likewise.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-x86-low.c (x86_dr_low_set_addr): Rename to...
+       (x86_linux_dr_set_addr): ...this.
+       (x86_dr_low_get_addr): Rename to...
+       (x86_linux_dr_get_addr): ...this.
+       (x86_dr_low_set_control): Rename to...
+       (x86_linux_dr_set_control): ...this.
+       (x86_dr_low_get_control): Rename to...
+       (x86_linux_dr_get_control): ...this.
+       (x86_dr_low_get_status): Rename to...
+       (x86_linux_dr_get_status): ...this.
+       (x86_dr_low): Update with new function names.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * Makefile.in (x86-linux.o): New rule.
+       * configure.srv: Add x86-linux.o to relevant targets.
+       * linux-low.c (lwp_set_arch_private_info): New function.
+       (lwp_arch_private_info): Likewise.
+       * linux-x86-low.c: Include nat/x86-linux.h.
+       (arch_lwp_info): Removed structure.
+       (update_debug_registers_callback):
+       Use lwp_set_debug_registers_changed.
+       (x86_linux_prepare_to_resume): Use lwp_debug_registers_changed
+       and lwp_set_debug_registers_changed.
+       (x86_linux_new_thread): Use lwp_set_debug_registers_changed.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-low.h (linux_target_ops) <new_thread>: Changed signature.
+       * linux-arm-low.c (arm_new_thread): Likewise.
+       * linux-aarch64-low.c (aarch64_linux_new_thread): Likewise.
+       * linux-mips-low.c (mips_linux_new_thread): Likewise.
+       * linux-x86-low.c (x86_linux_new_thread): Likewise.
+       * linux-low.c (add_lwp): Update the_low_target.new_thread call.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-low.c (ptid_of_lwp): New function.
+       (lwp_is_stopped): Likewise.
+       (lwp_stop_reason): Likewise.
+       * linux-x86-low.c (update_debug_registers_callback):
+       Use lwp_is_stopped.
+       (x86_linux_prepare_to_resume): Use ptid_of_lwp and
+       lwp_stop_reason.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-low.h (linux_stop_lwp): Remove declaration.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-low.h: Include nat/linux-nat.h.
+       * linux-low.c (iterate_over_lwps_args): New structure.
+       (iterate_over_lwps_filter): New function.
+       (iterate_over_lwps): Likewise.
+       * linux-x86-low.c (update_debug_registers_callback):
+       Update signature to what iterate_over_lwps expects.
+       Remove PID check that iterate_over_lwps now performs.
+       (x86_dr_low_set_addr): Use iterate_over_lwps.
+       (x86_dr_low_set_control): Likewise.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-x86-low.c (x86_debug_reg_state): New function.
+       (x86_linux_prepare_to_resume): Use the above.
+
+2015-03-24  Gary Benson  <gbenson@redhat.com>
+
+       * linux-low.c (current_lwp_ptid): New function.
+       * linux-x86-low.c: Include nat/linux-nat.h.
+       (x86_dr_low_get_addr): Use current_lwp_ptid.
+       (x86_dr_low_get_control): Likewise.
+       (x86_dr_low_get_status): Likewise.
+
+2015-03-20  Pedro Alves  <palves@redhat.com>
+
+       * tracepoint.c (cmd_qtstatus): Make "str" const.
+
+2015-03-20  Pedro Alves  <palves@redhat.com>
+
+       * server.c (handle_general_set): Make "req_str" const.
+
+2015-03-19  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (linux_resume_one_lwp): Rename to ...
+       (linux_resume_one_lwp_throw): ... this.  Don't handle ESRCH here,
+       instead call perror_with_name.
+       (check_ptrace_stopped_lwp_gone): New function.
+       (linux_resume_one_lwp): Reimplement as wrapper around
+       linux_resume_one_lwp_throw that swallows errors if the LWP is
+       gone.
+
+2015-03-19  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (count_events_callback, select_event_lwp_callback):
+       No longer check whether the thread has resume_stop as last resume
+       kind.
+
+2015-03-19 Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (count_events_callback, select_event_lwp_callback):
+       Use the lwp's status_pending_p field, not the thread's.
+
+2015-03-19  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (select_event_lwp_callback): Update comments to
+       no longer mention SIGTRAP.
+
+2015-03-18  Gary Benson  <gbenson@redhat.com>
+
+       * server.c (handle_query): Do not report vFile:fstat as supported.
+
+2015-03-11  Gary Benson  <gbenson@redhat.com>
+
+       * hostio.c (sys/types.h): New include.
+       (sys/stat.h): Likewise.
+       (common-remote-fileio.h): Likewise.
+       (handle_fstat): New function.
+       (handle_vFile): Handle vFile:fstat packets.
+
+2015-03-11  Gary Benson  <gbenson@redhat.com>
+
+       * configure.ac (AC_CHECK_MEMBERS): Add checks for
+       struct stat.st_blocks and struct stat.st_blksize.
+       * configure: Regenerate.
+       * config.in: Likewise.
+       * Makefile.in (SFILES): Add common/common-remote-fileio.c.
+       (OBS): Add common-remote-fileio.o.
+       (common-remote-fileio.o): New rule.
+
+2015-03-09  Pedro Alves  <palves@redhat.com>
+
+       * tracepoint.c (gdb_agent_helper_thread): Cast '&sockaddr' to
+       'struct sockaddr' pointer in 'accept' call.
+
+2015-03-09  Pedro Alves  <palves@redhat.com>
+
+       Revert:
+       2015-03-07  Pedro Alves  <palves@redhat.com>
+       * gdbreplay.c: No longer include <netinet/in.h>, <sys/socket.h>,
+       or <winsock2.h> here.  Instead include "gdb_socket.h".
+       (remote_open): Use union gdb_sockaddr_u.
+       * remote-utils.c: No longer include <netinet/in.h>, <sys/socket.h>
+       or <winsock2.h> here.  Instead include "gdb_socket.h".
+       (handle_accept_event, remote_prepare): Use union gdb_sockaddr_u.
+       * tracepoint.c: Include "gdb_socket.h" instead of <sys/socket.h>
+       or <sys/un.h>.
+       (init_named_socket, gdb_agent_helper_thread): Use union
+       gdb_sockaddr_u.
+
+2015-03-07  Pedro Alves  <palves@redhat.com>
+
+       * configure.ac (build_warnings): Move
+       -Wdeclaration-after-statement to the C-specific set.
+       * configure: Regenerate.
+
+2015-03-07  Pedro Alves  <palves@redhat.com>
+
+       * gdbreplay.c: No longer include <netinet/in.h>, <sys/socket.h>,
+       or <winsock2.h> here.  Instead include "gdb_socket.h".
+       (remote_open): Use union gdb_sockaddr_u.
+       * remote-utils.c: No longer include <netinet/in.h>, <sys/socket.h>
+       or <winsock2.h> here.  Instead include "gdb_socket.h".
+       (handle_accept_event, remote_prepare): Use union gdb_sockaddr_u.
+       * tracepoint.c: Include "gdb_socket.h" instead of <sys/socket.h>
+       or <sys/un.h>.
+       (init_named_socket, gdb_agent_helper_thread): Use union
+       gdb_sockaddr_u.
+
+2015-03-07  Pedro Alves  <palves@redhat.com>
+
+       Adjust all callers of TRY_CATCH to use TRY/CATCH/END_CATCH
+       instead.
+
+2015-03-06  Yao Qi  <yao.qi@linaro.org>
+
+       * linux-aarch64-low.c (aarch64_insert_point): Use
+       show_debug_regs as a boolean.
+       (aarch64_remove_point): Likewise.
+
+2015-03-05  Pedro Alves  <palves@redhat.com>
+
+       * lynx-low.c (lynx_target_ops): Install NULL hooks for
+       stopped_by_sw_breakpoint, supports_stopped_by_sw_breakpoint,
+       stopped_by_hw_breakpoint, supports_stopped_by_hw_breakpoint.
+       * nto-low.c (nto_target_ops): Likewise.
+       * spu-low.c (spu_target_ops): Likewise.
+       * win32-low.c (win32_target_ops): Likewise.
+
+2015-03-04  Pedro Alves  <palves@redhat.com>
+
+        * linux-low.c (check_stopped_by_breakpoint) [USE_SIGTRAP_SIGINFO]:
+       Decide whether a breakpoint triggered based on the SIGTRAP's
+       siginfo.si_code.
+        (thread_still_has_status_pending_p) [USE_SIGTRAP_SIGINFO]: Don't check whether a
+        breakpoint is inserted if relying on SIGTRAP's siginfo.si_code.
+       (linux_low_filter_event): Check for breakpoints before checking
+       watchpoints.
+       (linux_wait_1): Don't re-increment the PC if relying on SIGTRAP's
+       siginfo.si_code.
+        (linux_stopped_by_sw_breakpoint)
+        (linux_supports_stopped_by_sw_breakpoint)
+        (linux_stopped_by_hw_breakpoint)
+        (linux_supports_stopped_by_hw_breakpoint): New functions.
+        (linux_target_ops): Install new target methods.
+
+2015-03-04  Pedro Alves  <palves@redhat.com>
+
+       * remote-utils.c (prepare_resume_reply): Report swbreak/hbreak.
+       * server.c (swbreak_feature, hwbreak_feature): New globals.
+       (handle_query) <qSupported>: Handle "swbreak+" and "hwbreak+".
+       (captured_main): Clear swbreak_feature and hwbreak_feature.
+       * server.h (swbreak_feature, hwbreak_feature): Declare.
+       * target.h (struct target_ops) <stopped_by_sw_breakpoint,
+       supports_stopped_by_sw_breakpoint, stopped_by_hw_breakpoint,
+       supports_stopped_by_hw_breakpoint>: New fields.
+       (target_supports_stopped_by_sw_breakpoint)
+       (target_stopped_by_sw_breakpoint)
+       (target_supports_stopped_by_hw_breakpoint)
+       (target_stopped_by_hw_breakpoint): Declare.
+
+2015-03-04  Pedro Alves  <palves@redhat.com>
+
+       enum lwp_stop_reason -> enum target_stop_reason
+       * linux-low.c (check_stopped_by_breakpoint): Adjust.
+       (thread_still_has_status_pending_p, check_stopped_by_watchpoint)
+       (linux_wait_1, stuck_in_jump_pad_callback)
+       (move_out_of_jump_pad_callback, linux_resume_one_lwp)
+       (linux_stopped_by_watchpoint):
+       * linux-low.h (enum lwp_stop_reason): Delete.
+       (struct lwp_info) <stop_reason>: Now an enum target_stop_reason.
+       * linux-x86-low.c (x86_linux_prepare_to_resume): Adjust.
+
+2015-03-04  Yao Qi  <yao.qi@linaro.org>
+
+       * Makefile.in (SFILES): Add linux-aarch64-low.c.
+
+2015-03-03  Gary Benson  <gbenson@redhat.com>
+
+       * hostio.c (handle_vFile): Fix prefix lengths.
+
+2015-03-03  Markus Metzger  <markus.t.metzger@intel.com>
+
+       * linux-low.c (linux_low_enable_btrace): Do not overwrite non-zero
+       ptr_bits.
+
+2015-03-02  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+       * Makefile.in (s390-vx-linux64.c, s390-tevx-linux64.c)
+       (s390x-vx-linux64.c, s390x-tevx-linux64.c): New rules.
+       (clean): Add "rm -f" for above C files.
+       * configure.srv (srv_regobj): Add s390-vx-linux64.o,
+       s390-tevx-linux64.o, s390x-vx-linux64.o, and s390x-tevx-linux64.o.
+       (srv_xmlfiles): Add s390-vx-linux64.xml, s390-tevx-linux64.xml,
+       s390x-vx-linux64.xml, s390x-tevx-linux64.xml, and s390-vx.xml.
+       * linux-s390-low.c (HWCAP_S390_VX): New macro.
+       (init_registers_s390_vx_linux64, init_registers_s390_tevx_linux64)
+       (init_registers_s390x_vx_linux64)
+       (init_registers_s390x_tevx_linux64)
+       (tdesc_s390_vx_linux64, tdesc_s390_tevx_linux64)
+       (tdesc_s390x_vx_linux64, tdesc_s390x_tevx_linux64): New extern
+       declarations.
+       (s390_fill_vxrs_low, s390_store_vxrs_low, s390_fill_vxrs_high)
+       (s390_store_vxrs_high): New functions.
+       (s390_regsets): Add entries for NT_S390_VXRS_LOW and
+       NT_S390_VXRS_HIGH.
+       (s390_arch_setup): Add logic for selecting one of the new target
+       descriptions.  Activate the new vector regsets if applicable.
+       (initialize_low_arch): Also invoke init_registers_s390_vx_linux64,
+       init_registers_s390_tevx_linux64, init_registers_s390x_vx_linux64,
+       and init_registers_s390x_tevx_linux64.
+
+2015-03-01  Pedro Alves  <palves@redhat.com>
+
+       * linux-i386-ipa.c (gdb_agent_get_raw_reg): Constify 'raw_regs'
+       parameter.
+
+2015-02-27  Pedro Alves  <palves@redhat.com>
+
+       * linux-x86-low.c (u_debugreg_offset): New function.
+       (x86_linux_dr_get, x86_linux_dr_set): Use it.
+
+2015-02-27  Pedro Alves  <palves@redhat.com>
+
+       * gdb_proc_service.h: Wrap with EXTERN_C_PUSH/EXTERN_C_POP.
+       [!HAVE_PROC_SERVICE_H] (struct ps_prochandle): Forward declare.
+       [!HAVE_PROC_SERVICE_H] (ps_pdread, ps_pdwrite, ps_ptread)
+       ps_ptwrite, ps_lgetregs, ps_lsetregs, ps_lgetfpregs)
+       (ps_lsetfpregs, ps_getpid)
+       (ps_get_thread_area, ps_pglobal_lookup, ps_pstop, ps_pcontinue)
+       (ps_lstop, ps_lcontinue, ps_lgetxregsize, ps_lgetxregs)
+       (ps_lsetxregs, ps_plog): Declare.
+
+2015-02-27  Pedro Alves  <palves@redhat.com>
+
+       * linux-amd64-ipa.c (gdb_agent_get_raw_reg): Use
+       IP_AGENT_EXPORT_FUNC.
+       * linux-i386-ipa.c (gdb_agent_get_raw_reg): Use
+       IP_AGENT_EXPORT_FUNC.
+       * tracepoint.c (ATTR_USED, ATTR_NOINLINE, ATTR_CONSTRUCTOR)
+       (IP_AGENT_EXPORT): Delete.
+       (gdb_tp_heap_buffer, gdb_jump_pad_buffer, gdb_jump_pad_buffer_end)
+       (gdb_trampoline_buffer, gdb_trampoline_buffer_end)
+       (gdb_trampoline_buffer_error, 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, get_raw_reg)
+       (get_trace_state_variable_value, set_trace_state_variable_value)
+       (ust_loaded, helper_thread_id, cmd_buf): Use
+       IPA_SYM_EXPORTED_NAME.
+       (stop_tracing, flush_trace_buffer): Use IP_AGENT_EXPORT_FUNC.
+       (tracepoints) Use IP_AGENT_EXPORT_VAR.
+       (stopping_tracepoint, trace_buffer_is_full, expr_eval_result): Use
+       IP_AGENT_EXPORT_VAR and wrap in EXTERN_C_PUSH/EXTERN_C_POP.
+       (last_tracepoint): Move into !IN_PROCESS_AGENT block.
+       (error_tracepoint): Use IP_AGENT_EXPORT_VAR and wrap in
+       EXTERN_C_PUSH/EXTERN_C_POP.
+       (trace_state_variables): Use IP_AGENT_EXPORT_VAR.
+       (trace_buffer_lo, trace_buffer_hi): Use IP_AGENT_EXPORT_VAR and
+       wrap in EXTERN_C_PUSH/EXTERN_C_POP.
+       (trace_buffer_ctrl, trace_buffer_ctrl_curr)
+       (traceframe_write_count, traceframe_read_count)
+       (traceframes_created, tracing): Use IP_AGENT_EXPORT_VAR.
+       (about_to_request_buffer_space, get_trace_state_variable_value)
+       (set_trace_state_variable_value): Use IP_AGENT_EXPORT_FUNC.
+       (collecting): Use IP_AGENT_EXPORT_VAR and wrap in
+       EXTERN_C_PUSH/EXTERN_C_POP.
+       (gdb_collect): Use IP_AGENT_EXPORT_FUNC.
+       (ust_loaded, cmd_buf): Use IP_AGENT_EXPORT_VAR.
+       (helper_thread_id, gdb_agent_capability): Use IP_AGENT_EXPORT_VAR
+       and wrap in EXTERN_C_PUSH/EXTERN_C_POP.
+       (gdb_tp_heap_buffer, gdb_jump_pad_buffer, gdb_jump_pad_buffer_end)
+       (gdb_trampoline_buffer, gdb_trampoline_buffer_end)
+       (gdb_trampoline_buffer_error): Use IP_AGENT_EXPORT_VAR.
+       * tracepoint.h (ATTR_USED, ATTR_NOINLINE, EXPORTED_SYMBOL):
+       Define.
+       (IP_AGENT_EXPORT_FUNC, IP_AGENT_EXPORT_VAR)
+       (IP_AGENT_EXPORT_VAR_DECL): Define.
+       (tracing): Declare.
+       (gdb_agent_get_raw_reg): Declare.
+
+2015-02-27  Tom Tromey  <tromey@redhat.com>
+           Pedro Alves  <palves@redhat.com>
+
+       Rename symbols whose names are reserved C++ keywords throughout.
+
+2015-02-27  Pedro Alves  <palves@redhat.com>
+
+       * Makefile.in (COMPILER): New, get it from autoconf.
+       (CXX): Get from autoconf instead.
+       (COMPILE.pre): Use COMPILER.
+       (CC-LD): Rename to ...
+       (CC_LD): ... this.  Use COMPILER.
+       (gdbserver$(EXEEXT), gdbreplay$(EXEEXT), $(IPA_LIB)): Adjust.
+       (CXX_FOR_TARGET): Default to g++ instead of gcc.
+       * acinclude.m4: Include build-with-cxx.m4.
+       * configure.ac: Call AC_PROG_CXX and GDB_AC_BUILD_WITH_CXX.
+       Disable -Werror by default if building in C++ mode.
+       (build_warnings): Add -Wno-sign-compare, -Wno-write-strings and
+       -Wno-narrowing in C++ mode. Run supported-warning-flags tests with
+       the C++ compiler.  Save/restore CXXFLAGS too.
+       * configure: Regenerate.
+
+2015-02-27  Pedro Alves  <palves@redhat.com>
+
+       * acinclude.m4: Include libiberty.m4.
+       * configure.ac: Call libiberty_INIT.
+       * config.in, configure: Regenerate.
+
+2015-02-26  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (linux_wait_1): When incrementing the PC past a
+       program breakpoint always use the_low_target.breakpoint_len as
+       increment, rather than the maximum between that and
+       the_low_target.decr_pc_after_break.
+
+2015-02-23  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (check_stopped_by_breakpoint): Don't check if the
+       thread was doing a step-over; always adjust the PC if
+       we stepped over a permanent breakpoint.
+       (linux_wait_1): If we stepped over breakpoint that was on top of a
+       permanent breakpoint, manually advance the PC past it.
+
+2015-02-23  Pedro Alves  <palves@redhat.com>
+
+       * linux-x86-low.c (REGSIZE): Define in both 32-bit and 64-bit
+       modes.
+       (x86_fill_gregset, x86_store_gregset): Use it when handling
+       $orig_eax.
+
+2015-02-20  Pedro Alves  <palves@redhat.com>
+
+       * thread-db.c: Include "nat/linux-procfs.h".
+       (thread_db_init): Skip listing new threads if the kernel supports
+       PTRACE_EVENT_CLONE and /proc/PID/task/ is accessible.
+
+2015-02-20  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (status_pending_p_callback): Use ptid_match.
+
+2015-02-19  Antoine Tremblay  <antoine.tremblay@ericsson.com>
+
+       PR breakpoints/16812
+       * linux-low.c (wstatus_maybe_breakpoint): Remove.
+       (linux_low_filter_event): Update wstatus_maybe_breakpoint name.
+       (linux_wait_1): Report SIGTRAP,SIGILL,SIGSEGV.
+
+2015-02-10  Antoine Tremblay <antoine.tremblay@ericsson.com>
+
+       PR breakpoints/15956
+       * tracepoint.c (cmd_qtinit): Add check for current_thread.
+
+2015-02-09  Markus Metzger  <markus.t.metzger@intel.com>
+
+       * linux-low.c (linux_low_btrace_conf): Print size.
+       * server.c (handle_btrace_conf_general_set): New.
+       (hanle_general_set): Call handle_btrace_conf_general_set.
+       (handle_query): Report Qbtrace-conf:bts:size as supported.
+
+2015-02-09  Markus Metzger  <markus.t.metzger@intel.com>
+
+       * linux-low.c (linux_low_enable_btrace): Update parameters.
+       (linux_low_btrace_conf): New.
+       (linux_target_ops)<to_btrace_conf>: Initialize.
+       * server.c (current_btrace_conf): New.
+       (handle_btrace_enable): Rename to ...
+       (handle_btrace_enable_bts): ... this.  Pass &current_btrace_conf
+       to target_enable_btrace.  Update comment.  Update users.
+       (handle_qxfer_btrace_conf): New.
+       (qxfer_packets): Add btrace-conf entry.
+       (handle_query): Report qXfer:btrace-conf:read as supported packet.
+       * target.h (target_ops)<enable_btrace>: Update parameters and comment.
+       (target_ops)<read_btrace_conf>: New.
+       (target_enable_btrace): Update parameters.
+       (target_read_btrace_conf): New.
+
+2015-02-09  Markus Metzger  <markus.t.metzger@intel.com>
+
+       * server.c (handle_btrace_general_set): Remove call to
+       target_supports_btrace.
+       (supported_btrace_packets): New.
+       (handle_query): Call supported_btrace_packets.
+       * target.h: include btrace-common.h.
+       (btrace_target_info): Removed.
+       (supports_btrace, target_supports_btrace): Update parameters.
+
+2015-02-09  Markus Metzger  <markus.t.metzger@intel.com>
+
+       * Makefile.in (SFILES): Add common/btrace-common.c.
+       (OBS): Add common/btrace-common.o.
+       (btrace-common.o): Add build rules.
+       * linux-low: Include btrace-common.h.
+       (linux_low_read_btrace): Use struct btrace_data.  Call
+       btrace_data_init and btrace_data_fini.
+
+2015-02-06  Pedro Alves  <palves@redhat.com>
+
+       * thread-db.c (find_new_threads_callback): Add debug output.
+
+2015-02-04  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (handle_extended_wait): Don't resume LWPs here.
+       (resume_stopped_resumed_lwps): New function.
+       (linux_wait_for_event_filtered): Use it.
+
+2015-01-15  Sergio Durigan Junior  <sergiodj@redhat.com>
+
+       * Makefile.in (SFILES): Add linux-personality.c.
+       (linux-personality.o): New rule.
+       * configure.srv (srv_linux_obj): Add linux-personality.o to the
+       list of objects to be built.
+       * linux-low.c: Include nat/linux-personality.h.
+       (linux_create_inferior): Remove code to disable address space
+       randomization (moved to ../nat/linux-personality.c).  Create
+       cleanup to disable address space randomization.
+
+2015-01-15  Sergio Durigan Junior  <sergiodj@redhat.com>
+
+       * Makefile.in (posix-strerror.o): New rule.
+       (mingw-strerror.o): Likewise.
+       * configure: Regenerated.
+       * configure.ac: Source file ../common/common.host.  Initialize new
+       variable srv_host_obs.  Add srv_host_obs to GDBSERVER_DEPFILES.
+
+2015-01-14  Yao Qi  <yao@codesourcery.com>
+
+       * Makefile.in (SFILES): Add nat/ppc-linux.c.
+       (ppc-linux.o): New rule.
+       * configure.srv (powerpc*-*-linux*): Add ppc-linux.o.
+       * configure.ac: AC_CHECK_FUNCS(getauxval).
+       * config.in: Re-generated.
+       * configure: Re-generated.
+       * linux-ppc-low.c (ppc_arch_setup) [__powerpc64__]: Call
+       ppc64_64bit_inferior_p
+
+2015-01-14  Yao Qi  <yao@codesourcery.com>
+
+       * linux-ppc-low.c: Include "nat/ppc-linux.h".
+        (PPC_FEATURE_HAS_VSX): Move to nat/ppc-linux.h.
+       (PPC_FEATURE_HAS_ALTIVEC,  PPC_FEATURE_HAS_SPE): Likewise.
+       (PT_ORIG_R3, PT_TRAP): Likewise.
+       (PTRACE_GETVSXREGS, PTRACE_SETVSXREGS): Likewise.
+       (PTRACE_GETVRREGS, PTRACE_SETVRREGS): Likewise.
+       (PTRACE_GETEVRREGS, PTRACE_SETEVRREGS): Likewise.
+
+2015-01-10  Joel Brobecker  <brobecker@adacore.com>
+
+       * i387-fp.c (i387_cache_to_xsave): In look over
+       num_avx512_zmmh_high_registers, replace use of struct i387_xsave
+       zmmh_low_space field by use of zmmh_high_space.
+
+2015-01-09  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (step_over_bkpt): Move higher up in the file.
+       (handle_extended_wait): Don't store the stop_pc here.
+       (get_stop_pc): Adjust comments and rename to ...
+       (check_stopped_by_breakpoint): ... this.  Record whether the LWP
+       stopped for a software breakpoint or hardware breakpoint.
+       (thread_still_has_status_pending_p): New function.
+       (status_pending_p_callback): Use
+       thread_still_has_status_pending_p.  If the event is no longer
+       interesting, resume the LWP.
+       (handle_tracepoints): Add assert.
+       (maybe_move_out_of_jump_pad): Remove cancel_breakpoints call.
+       (wstatus_maybe_breakpoint): New function.
+       (cancel_breakpoint): Delete function.
+       (check_stopped_by_watchpoint): New function, factored out from
+       linux_low_filter_event.
+       (lp_status_maybe_breakpoint): Delete function.
+       (linux_low_filter_event): Remove filter_ptid argument.
+       Leave thread group exits pending here.  Store the LWP's stop PC.
+       Always leave events pending.
+       (linux_wait_for_event_filtered): Pull all events out of the
+       kernel, and leave them all pending.
+       (count_events_callback, select_event_lwp_callback): Consider all
+       events.
+       (cancel_breakpoints_callback, linux_cancel_breakpoints): Delete.
+       (select_event_lwp): Only give preference to the stepping LWP in
+       all-stop mode.  Adjust comments.
+       (ignore_event): New function.
+       (linux_wait_1): Delete 'retry' label.  Use ignore_event.  Remove
+       references to cancel_breakpoints.  Adjust to renames.  Also give
+       equal priority to all LWPs that have had events in non-stop mode.
+       If reporting a software breakpoint event, unadjust the LWP's PC.
+       (linux_wait): If linux_wait_1 returned an ignored event, retry.
+       (stuck_in_jump_pad_callback, move_out_of_jump_pad_callback):
+       Adjust.
+       (linux_resume_one_lwp): Store the LWP's PC.  Adjust.
+       (resume_status_pending_p): Use thread_still_has_status_pending_p.
+       (linux_stopped_by_watchpoint): Adjust.
+       (linux_target_ops): Remove reference to linux_cancel_breakpoints.
+       * linux-low.h (enum lwp_stop_reason): New.
+       (struct lwp_info) <stop_pc>: Adjust comment.
+       <stopped_by_watchpoint>: Delete field.
+       <stop_reason>: New field.
+       * linux-x86-low.c (x86_linux_prepare_to_resume): Adjust.
+       * mem-break.c (software_breakpoint_inserted_here)
+       (hardware_breakpoint_inserted_here): New function.
+       * mem-break.h (software_breakpoint_inserted_here)
+       (hardware_breakpoint_inserted_here): Declare.
+       * target.h (struct target_ops) <cancel_breakpoints>: Remove field.
+       (cancel_breakpoints): Delete.
+       * tracepoint.c (clear_installed_tracepoints, stop_tracing)
+       (upload_fast_traceframes): Remove references to
+       cancel_breakpoints.
+
+2015-01-09  Pedro Alves  <palves@redhat.com>
+
+       * thread-db.c (find_new_threads_callback): Ignore thread if the
+       kernel thread ID is -1.
+
+2015-01-09  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (linux_attach_fail_reason_string): Move to
+       nat/linux-ptrace.c, and rename.
+       (linux_attach_lwp): Update comment.
+       (attach_proc_task_lwp_callback): New function.
+       (linux_attach): Adjust to rename and use
+       linux_proc_attach_tgid_threads.
+       (linux_attach_fail_reason_string): Delete declaration.
+
+2015-01-01  Joel Brobecker  <brobecker@adacore.com>
+
+       * gdbreplay.c (gdbreplay_version): Update copyright year to 2015.
+       * server.c (gdbserver_version): Likewise.
+
+2014-12-29  Sergio Durigan Junior  <sergiodj@redhat.com>
+
+       * remote-utils.c: Include ctype.h.
+       (input_interrupt): Explicitly handle the case when the char
+       received is the NUL byte.  Improve the printing of non-ASCII
+       characters.
+
+2014-12-16  Joel Brobecker  <brobecker@adacore.com>
+
+       * linux-low.c (linux_low_filter_event): Update call to
+       linux_enable_event_reporting following the addition of
+       a new parameter to that function.
+
+2014-12-16  Catalin Udma  <catalin.udma@freescale.com>
+
+       PR server/17457
+       * linux-aarch64-low.c (AARCH64_FPSR_REGNO): New define.
+       (AARCH64_FPCR_REGNO): Likewise.
+       (AARCH64_NUM_REGS): Update to include fpsr/fpcr registers.
+       (aarch64_fill_fpregset): Add missing fpsr/fpcr registers.
+       (aarch64_store_fpregset): Likewise.
+
+2014-12-15  Joel Brobecker  <brobecker@adacore.com>
+
+       * lynx-low.c (lynx_resume): Use PTRACE_SINGLESTEP_ONE if N == 1.
+       Remove FIXME comment about assumption about N.
+
+2014-12-13  Joel Brobecker  <brobecker@adacore.com>
+
+       * configure.ac: If large-file support is disabled in GDBserver,
+       pass --disable-largefile to ACX_CONFIGURE_DIR call for "gnulib".
+       * configure: Regenerate.
+
+2014-12-12  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+       * linux-low.c (regsets_fetch_inferior_registers): Suppress the
+       warning upon ENODATA from ptrace.
+       * linux-s390-low.c (s390_store_tdb): New.
+       (s390_regsets): Add regset for NT_S390_TDB.
+
+2014-12-12  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+       * linux-low.c (regsets_store_inferior_registers): Skip regsets
+       without a fill_function.
+       * linux-s390-low.c (s390_fill_last_break): Remove.
+       (s390_regsets): Set fill_function to NULL for NT_S390_LAST_BREAK.
+       (s390_arch_setup): Use regset's size instead of fill_function for
+       loop end condition.
+
+2014-12-12  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+       * linux-low.c (regsets_fetch_inferior_registers): Do not invoke
+       the regset's store function when ptrace returned an error.
+       * regcache.c (get_thread_regcache): Invalidate register cache
+       before fetching inferior's registers.
+
+2014-12-12  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+       * linux-low.c (regsets_fetch_inferior_registers): Rephrase
+       while-loop as for-loop.
+       (regsets_store_inferior_registers): Likewise.
+
+2014-11-28  Yao Qi  <yao@codesourcery.com>
+
+       * configure.ac(AC_CHECK_FUNCS): Remove readlink.
+       * config.in, configure: Re-generate.
+       * hostio.c (handle_unlink): Remove code checking HAVE_READLINK
+       is defined.
+
+2014-11-21  Yao Qi  <yao@codesourcery.com>
+
+       * configure.ac: Don't invoke AC_FUNC_ALLOCA.
+       (AC_CHECK_HEADERS): Remove malloc.h.
+       * configure: Re-generated.
+       * config.in: Re-generated.
+       * server.h: Don't include alloca.h and malloc.h.
+       * gdbreplay.c: Don't check HAVE_ALLOCA_H is defined.
+       Don't include malloc.h.
+
+2014-11-17  Joel Brobecker  <brobecker@adacore.com>
+
+       * lynx-low.c (lynx_write_memory): Put lynx_read_memory and
+       corresponding ERRNO check in same block.
+
+2014-11-12  Pedro Alves  <palves@redhat.com>
+
+       * server.c (cont_thread): Update comment.
+       (start_inferior, attach_inferior): No longer clear cont_thread.
+       (handle_v_cont): No longer set cont_thread.
+       (captured_main): Clear cont_thread each time a GDB connects.
+
+2014-11-12  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (linux_wait_1): Don't force a wait for the Hc
+       thread, and don't resume all threads if the Hc thread has exited.
+
+2014-11-12  Pedro Alves  <palves@redhat.com>
+
+       * linux-low.c (linux_request_interrupt): Always send a SIGINT to
+       the process group instead of to a specific LWP.
+
+2014-10-15  Pedro Alves  <palves@redhat.com>
+
+       PR server/17487
+       * win32-arm-low.c (arm_set_thread_context): Remove current_event
+       parameter.
+       (arm_set_thread_context): Delete.
+       (the_low_target): Adjust.
+       * win32-i386-low.c (debug_registers_changed)
+       (debug_registers_used): Delete.
+       (update_debug_registers_callback): New function.
+       (x86_dr_low_set_addr, x86_dr_low_set_control): Mark all threads as
+       needing to update their debug registers.
+       (win32_get_current_dr): New function.
+       (x86_dr_low_get_addr, x86_dr_low_get_control)
+       (x86_dr_low_get_status): Fetch the debug register from the thread
+       record's context.
+       (i386_initial_stuff): Adjust.
+       (i386_get_thread_context): Remove current_event parameter.  Don't
+       clear debug_registers_changed nor copy DR values to
+       debug_reg_state.
+       (i386_set_thread_context): Delete.
+       (i386_prepare_to_resume): New function.
+       (i386_thread_added): Mark the thread as needing to update irs
+       debug registers.
+       (the_low_target): Remove i386_set_thread_context and install
+       i386_prepare_to_resume.
+       * win32-low.c (win32_get_thread_context): Adjust.
+       (win32_set_thread_context): Use SetThreadContext
+       directly.
+       (win32_prepare_to_resume): New function.
+       (win32_require_context): New function, factored out from ...
+       (thread_rec): ... this.
+       (continue_one_thread): Call win32_prepare_to_resume on each thread
+       we're about to continue.
+       (win32_resume): Call win32_prepare_to_resume on the event thread.
+       * win32-low.h (struct win32_thread_info)
+       <debug_registers_changed>: New field.
+       (struct win32_target_ops): Change prototype of set_thread_context,
+       delete set_thread_context and add prepare_to_resume.
+       (win32_require_context): New declaration.
+
+2014-10-08  Gary Benson  <gbenson@redhat.com>
+
+       * server.h: Do not include common-exceptions.h.
+
+2014-10-08  Gary Benson  <gbenson@redhat.com>
+
+       * server.h: Do not include cleanups.h.
+
+2014-09-30  James Hogan  <james.hogan@imgtec.com>
+
+       * Makefile.in (clean): Add rm -f commands for mips-dsp-linux.c and
+       mips64-dsp-linux.c.
+
+2014-09-23  Yao Qi  <yao@codesourcery.com>
+
+       * linux-low.c (lp_status_maybe_breakpoint): New function.
+       (linux_low_filter_event): Call lp_status_maybe_breakpoint.
+       (count_events_callback): Likewise.
+       (select_event_lwp_callback): Likewise.
+       (cancel_breakpoints_callback): Likewise.
+
+2014-09-19  Don Breazeal  <donb@codesourcery.com>
+
+       * linux-low.c (handle_extended_wait): Call
+       linux_ptrace_get_extended_event.
+       (get_stop_pc, get_detach_signal, linux_low_filter_event): Call
+       linux_is_extended_waitstatus.
+
+2014-09-16  Joel Brobecker  <brobecker@adacore.com>
+
+       * Makefile.in (CPPFLAGS): Define.
+       (INTERNAL_CFLAGS_BASE): Add ${CPPFLAGS}.
+       (IPAGENT_CFLAGS): Remove ${CPPFLAGS}.
+
+2014-09-16  Gary Benson  <gbenson@redhat.com>
+
+       * inferiors.h (current_inferior): Renamed as...
+       (current_thread): New variable.  All uses updated.
+       * linux-low.c (get_pc): Renamed saved_inferior as saved_thread.
+       (maybe_move_out_of_jump_pad): Likewise.
+       (cancel_breakpoint): Likewise.
+       (linux_low_filter_event): Likewise.
+       (wait_for_sigstop): Likewise.
+       (linux_resume_one_lwp): Likewise.
+       (need_step_over_p): Likewise.
+       (start_step_over): Likewise.
+       (linux_stabilize_threads): Renamed save_inferior as saved_thread.
+       * linux-x86-low.c (x86_linux_update_xmltarget): Likewise.
+       * proc-service.c (ps_lgetregs): Renamed reg_inferior as reg_thread
+       and save_inferior as saved_thread.
+       * regcache.c (get_thread_regcache): Renamed saved_inferior as
+       saved_thread.
+       (regcache_invalidate_thread): Likewise.
+       * remote-utils.c (prepare_resume_reply): Likewise.
+       * thread-db.c (thread_db_get_tls_address): Likewise.
+       (disable_thread_event_reporting): Likewise.
+       (remove_thread_event_breakpoints): Likewise.
+       * tracepoint.c (gdb_agent_about_to_close): Renamed save_inferior
+       as saved_thread.
+       * target.h (set_desired_inferior): Renamed as...
+       (set_desired_thread): New declaration.  All uses updated.
+       * server.c (myresume): Updated comment to reference thread instead
+       of inferior.
+       (handle_serial_event): Likewise.
+       (handle_target_event): Likewise.
+
+2014-09-12  Tom Tromey  <tromey@redhat.com>
+           Gary Benson  <gbenson@redhat.com>
+
+       * regcache.h: Include common-regcache.h.
+       (regcache_read_pc): Don't declare.
+       * regcache.c (get_thread_regcache_for_ptid): New function.
+
+2014-09-11  Tom Tromey  <tromey@redhat.com>
+           Gary Benson  <gbenson@redhat.com>
+
+       * symbol.c: New file.
+       * Makefile.in (SFILES): Add symbol.c.
+       (OBS): Add symbol.o.
+
+2014-09-11  Gary Benson  <gbenson@redhat.com>
+
+       * target.c (target_stop_ptid, target_continue_ptid): New
+       functions.
+
+2014-09-11  Tom Tromey  <tromey@redhat.com>
+           Gary Benson  <gbenson@redhat.com>
+
+       * target.h: Include target/target.h.
+       * target.c (target_read_memory, target_read_uint32)
+       (target_write_memory): New functions.
+
 2014-09-11  Gary Benson  <gbenson@redhat.com>
 
        * server.h (debug_hw_points): Don't declare.
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