gdb/ChangeLog

   1 2015-01-10  Doug Evans  <xdje42@gmail.com>
   2
   3         Add symbol lookup cache.
   4         * NEWS: Document new options and commands.
   5         * symtab.c (symbol_cache_key): New static global.
   6         (DEFAULT_SYMBOL_CACHE_SIZE, MAX_SYMBOL_CACHE_SIZE): New macros.
   7         (SYMBOL_LOOKUP_FAILED): New macro.
   8         (symbol_cache_slot_state): New enum.
   9         (block_symbol_cache): New struct.
  10         (symbol_cache): New struct.
  11         (new_symbol_cache_size, symbol_cache_size): New static globals.
  12         (hash_symbol_entry, eq_symbol_entry): New functions.
  13         (symbol_cache_byte_size, resize_symbol_cache): New functions.
  14         (make_symbol_cache, free_symbol_cache): New functions.
  15         (get_symbol_cache, symbol_cache_cleanup): New function.
  16         (set_symbol_cache_size, set_symbol_cache_size_handler): New functions.
  17         (symbol_cache_lookup, symbol_cache_clear_slot): New function.
  18         (symbol_cache_mark_found, symbol_cache_mark_not_found): New functions.
  19         (symbol_cache_flush, symbol_cache_dump): New functions.
  20         (maintenance_print_symbol_cache): New function.
  21         (maintenance_flush_symbol_cache): New function.
  22         (symbol_cache_stats): New function.
  23         (maintenance_print_symbol_cache_statistics): New function.
  24         (symtab_new_objfile_observer): New function.
  25         (symtab_free_objfile_observer): New function.
  26         (lookup_static_symbol, lookup_global_symbol): Use symbol cache.
  27         (_initialize_symtab): Init symbol_cache_key.  New parameter
  28         maint symbol-cache-size.  New maint commands print symbol-cache,
  29         print symbol-cache-statistics, flush-symbol-cache.
  30         Install new_objfile, free_objfile observers.
  31
  32 2015-01-09  Patrick Palka  <patrick@parcs.ath.cx>
  33
  34         * Makefile.in (.y.c): Don't munge yacc's #line
  35         directives.
  36
  37 2015-01-09  Patrick Palka  <patrick@parcs.ath.cx>
  38
  39         * utils.c (defaulted_query): Rewrite to use gdb_readline_wrapper
  40         to prompt for input.
  41         * tui/tui-hooks.c (tui_query_hook): Remove.
  42         (tui_install_hooks): Don't set deprecated_query_hook.
  43         * tui/tui-io.c (tui_redisplay_readline): Fix off-by-one error in
  44         height calculation.  Always update the command window's cur_line.
  45
  46 2015-01-09  Pedro Alves  <palves@redhat.com>
  47
  48         * breakpoint.c (hardware_breakpoint_inserted_here_p): New
  49         function.
  50         * breakpoint.h (hardware_breakpoint_inserted_here_p): New
  51         declaration.
  52         * linux-nat.c (linux_nat_status_is_event): Move higher up in file.
  53         (linux_resume_one_lwp): Store the thread's PC.  Adjust to clear
  54         stop_reason.
  55         (check_stopped_by_watchpoint): New function.
  56         (save_sigtrap): Reimplement.
  57         (linux_nat_stopped_by_watchpoint): Adjust.
  58         (linux_nat_lp_status_is_event): Delete.
  59         (stop_wait_callback): Only call save_sigtrap after storing the
  60         pending status.
  61         (status_callback): If the thread had been stopped for a breakpoint
  62         that has since been removed, discard the event and resume the LWP.
  63         (count_events_callback, select_event_lwp_callback): Use
  64         lwp_status_pending_p instead of linux_nat_lp_status_is_event.
  65         (cancel_breakpoint): Rename to ...
  66         (check_stopped_by_breakpoint): ... this.  Record whether the LWP
  67         stopped for a software breakpoint or hardware breakpoint.
  68         (select_event_lwp): Only give preference to the stepping LWP in
  69         all-stop mode.  Adjust comments.
  70         (stop_and_resume_callback): Remove references to new_pending_p.
  71         (linux_nat_filter_event): Likewise.  Leave exit events of the
  72         leader thread pending here.  Handle signal short circuiting here.
  73         Only call save_sigtrap after storing the pending waitstatus.
  74         (linux_nat_wait_1): Remove 'retry' label.  Remove references to
  75         new_pending.  Don't handle leaving events the caller is not
  76         interested in pending here, nor handle signal short-circuiting
  77         here.  Also give equal priority to all LWPs that have had events
  78         in non-stop mode.  If reporting a software breakpoint event,
  79         unadjust the LWP's PC.
  80         * linux-nat.h (enum lwp_stop_reason): New.
  81         (struct lwp_info) <stop_pc>: New field.
  82         (struct lwp_info) <stopped_by_watchpoint>: Delete field.
  83         (struct lwp_info) <stop_reason>: New field.
  84         * x86-linux-nat.c (x86_linux_prepare_to_resume): Adjust.
  85
  86 2015-01-09  Pedro Alves  <palves@redhat.com>
  87
  88         * linux-nat.c (linux_handle_extended_wait) <PTRACE_EVENT_EXEC>:
  89         Set the LWP's 'resumed' flag.
  90
  91 2015-01-09  Pedro Alves  <palves@redhat.com>
  92
  93         * linux-nat.c (linux_resume_one_lwp): New function.
  94         (resume_lwp): Use lwp_status_pending_p and linux_resume_one_lwp.
  95         (linux_nat_resume): Use lwp_status_pending_p and
  96         linux_resume_one_lwp.
  97         (linux_handle_syscall_trap): Use linux_resume_one_lwp.
  98         (linux_handle_extended_wait): Use linux_resume_one_lwp.
  99         (status_callback, running_callback): Use lwp_status_pending_p.
 100         (lwp_status_pending_p): New function.
 101         (stop_and_resume_callback): Use lwp_status_pending_p.
 102         (linux_nat_filter_event): Use linux_resume_one_lwp.
 103         (linux_nat_wait_1): Always use status_callback to look for an LWP
 104         with a pending status.  Use linux_resume_one_lwp.
 105         (resume_stopped_resumed_lwps): Use lwp_status_pending_p and
 106         linux_resume_one_lwp.
 107
 108 2015-01-09  Pedro Alves  <palves@redhat.com>
 109
 110         * breakpoint.c (bp_location_inserted_here_p): New function,
 111         factored out from ...
 112         (breakpoint_inserted_here_p): ... here.  Use
 113         ALL_BP_LOCATIONS_AT_ADDR.
 114         (software_breakpoint_inserted_here_p): Use
 115         bp_location_inserted_here_p and ALL_BP_LOCATIONS_AT_ADDR.
 116
 117 2014-01-09  Pedro Alves  <palves@redhat.com>
 118
 119         Skip enabling event reporting if the kernel supports
 120         PTRACE_EVENT_CLONE.
 121         * linux-thread-db.c: Include "nat/linux-ptrace.h".
 122         (thread_db_use_events): New function.
 123         (try_thread_db_load_1): Check thread_db_use_events before enabling
 124         event reporting.
 125         (update_thread_state): New function.
 126         (attach_thread): Use it.  Check thread_db_use_events before
 127         enabling event reporting.
 128         (thread_db_detach): Check thread_db_use_events before disabling
 129         event reporting.
 130         (find_new_threads_callback): Check thread_db_use_events before
 131         enabling event reporting.  Update the thread's state if not using
 132         libthread_db events.
 133
 134 2015-01-09  Pedro Alves  <palves@redhat.com>
 135
 136         * linux-nat.c (lin_lwp_attach_lwp): Assert that the lwp id we're
 137         about to wait for is > 0.
 138         * linux-thread-db.c (find_new_threads_callback): Ignore thread if
 139         the kernel thread ID is -1.
 140
 141 2015-01-09  Pedro Alves  <palves@redhat.com>
 142
 143         * linux-nat.c (attach_proc_task_lwp_callback): New function.
 144         (linux_nat_attach): Use linux_proc_attach_tgid_threads.
 145         (wait_lwp, linux_nat_filter_event): If not set yet, set the lwp's
 146         ptrace option flags.
 147         * linux-nat.h (struct lwp_info) <must_set_ptrace_flags>: New
 148         field.
 149         * nat/linux-procfs.c: Include <dirent.h>.
 150         (linux_proc_get_int): New parameter "warn".  Handle it.
 151         (linux_proc_get_tgid): Adjust.
 152         (linux_proc_get_tracerpid): Rename to ...
 153         (linux_proc_get_tracerpid_nowarn): ... this.
 154         (linux_proc_pid_get_state): New function, factored out from
 155         (linux_proc_pid_has_state): ... this.  Add new parameter "warn"
 156         and handle it.
 157         (linux_proc_pid_is_gone): New function.
 158         (linux_proc_pid_is_stopped): Adjust.
 159         (linux_proc_pid_is_zombie_maybe_warn)
 160         (linux_proc_pid_is_zombie_nowarn): New functions.
 161         (linux_proc_pid_is_zombie): Use
 162         linux_proc_pid_is_zombie_maybe_warn.
 163         (linux_proc_attach_tgid_threads): New function.
 164         * nat/linux-procfs.h (linux_proc_get_tgid): Update comment.
 165         (linux_proc_get_tracerpid): Rename to ...
 166         (linux_proc_get_tracerpid_nowarn): ... this, and update comment.
 167         (linux_proc_pid_is_gone): New declaration.
 168         (linux_proc_pid_is_zombie): Update comment.
 169         (linux_proc_pid_is_zombie_nowarn): New declaration.
 170         (linux_proc_attach_lwp_func): New typedef.
 171         (linux_proc_attach_tgid_threads): New declaration.
 172         * nat/linux-ptrace.c (linux_ptrace_attach_fail_reason): Adjust to
 173         use nowarn functions.
 174         (linux_ptrace_attach_fail_reason_string): Move here from
 175         gdbserver/linux-low.c and rename.
 176         (ptrace_supports_feature): If the current ptrace options are not
 177         known yet, check them now, instead of asserting.
 178         * nat/linux-ptrace.h (linux_ptrace_attach_fail_reason_string):
 179         Declare.
 180
 181 2015-01-09  Pedro Alves  <palves@redhat.com>
 182
 183         * linux-thread-db.c (thread_db_find_new_threads_silently)
 184         (try_thread_db_load_1, try_thread_db_load, thread_db_load_search)
 185         (find_new_threads_once): Print debug output on gdb_stdlog.
 186
 187 2015-01-09  Chen Gang  <gang.chen.5i5j@gmail.com>
 188             Pedro Alves  <palves@redhat.com>
 189
 190         * compile/compile.c: Include "gdb_wait.h".
 191         (do_rmdir): Check return value, and free 'zap'.
 192
 193 2015-01-08  Pedro Alves  <palves@redhat.com>
 194             Yao Qi  <yao@codesourcery.com>
 195
 196         * dwarf2loc.c (indirect_pieced_value): Don't call
 197         gdb_sign_extend.  Call extract_signed_integer instead.
 198         * utils.c (gdb_sign_extend): Remove.
 199         * utils.h (gdb_sign_extend): Remove declaration.
 200
 201 2015-01-07  Pierre Muller  <muller@sourceware.org>
 202
 203         PR symtab/17811
 204         * stabsread.c (define_symbol): Set language for C++ special symbols.
 205
 206 2015-01-07  Patrick Palka  <patrick@parcs.ath.cx>
 207
 208         * inflow.c (initial_gdb_ttystate): Tweak comment.
 209
 210 2015-01-07  Joel Brobecker  <brobecker@adacore.com>
 211
 212         * inflow.c (set_initial_gdb_ttystate): Add empty line after
 213         comment documenting function.
 214
 215 2015-01-07  Patrick Palka  <patrick@parcs.ath.cx>
 216
 217         * terminal.h (set_initial_gdb_ttystate): Declare.
 218         * inflow.c (initial_gdb_ttystate): New static variable.
 219         (set_initial_gdb_ttystate): New setter.
 220         (child_terminal_init_with_pgrp): Copy initial_gdb_ttystate
 221         instead of our current terminal state.
 222         * top.c (gdb_init): Call set_initial_gdb_ttystate.
 223
 224 2015-01-07  Joel Brobecker  <brobecker@adacore.com>
 225
 226         * guile/scm-type.c (tyscm_array_1): Add comment.
 227         * python/py-type.c (typy_array_1): Add comment.
 228
 229 2015-01-06  Joel Brobecker  <brobecker@adacore.com>
 230
 231         * guile/scm-type.c (tyscm_array_1): Do not raise out-of-range
 232         error if N2 is equal to N1 - 1.
 233
 234 2015-01-06  Joel Brobecker  <brobecker@adacore.com>
 235
 236         * python/py-type.c (typy_array_1): Do not raise negative-length
 237         exception if N2 is equal to N1 - 1.
 238
 239 2015-01-03  Doug Evans  <xdje42@gmail.com>
 240
 241         * c-exp.y: Whitespace cleanup.
 242         (classify_inner_name): Remove extra ;.
 243
 244 2015-01-02  Maciej W. Rozycki  <macro@codesourcery.com>
 245
 246         * mips-tdep.c (mips32_scan_prologue): Keep the extracted stack
 247         offset signed.
 248
 249 2015-01-02  Doug Evans  <dje@google.com>
 250
 251         * dwarf2read.c (setup_type_unit_groups): Remove outdated comment.
 252
 253 2015-01-02  Doug Evans  <dje@google.com>
 254
 255         * symtab.h (struct symbol): Fix typo in comment.
 256
 257 2015-01-01  Joel Brobecker  <brobecker@adacore.com>
 258
 259         Update year range in copyright notice of all files.
 260
 261 2015-01-01  Joel Brobecker  <brobecker@adacore.com>
 262
 263         * top.c (print_gdb_version): Update copyright year to 2015.
 264
 265 2015-01-01  Joel Brobecker  <brobecker@adacore.com>
 266
 267         * config/djgpp/fnchange.lst: Add entry for gdb/ChangeLog-2014.
 268
 269 For older changes see ChangeLog-2014.
 270 \f
 271 Local Variables:
 272 mode: change-log
 273 left-margin: 8
 274 fill-column: 74
 275 version-control: never
 276 coding: utf-8
 277 End: