Thiago Jung Bauermann <bauerman@br.ibm.com>
Support for hw accelerated condition watchpoints in booke powerpc.
* breakpoint.c (fetch_watchpoint_value): Rename to fetch_subexp_value
and move to eval.c. Change callers.
(insert_bp_location): Pass watchpoint condition in
target_insert_watchpoint.
(remove_breakpoint_1) Pass watchpoint condition in
target_remove_watchpoint.
(watchpoint_locations_match): Call
target_can_accel_watchpoint_condition.
* eval.c: Include wrapper.h.
(fetch_subexp_value): Moved from breakpoint.c.
* ppc-linux-nat.c (ppc_linux_region_ok_for_hw_watchpoint):
Formatting fix.
(can_use_watchpoint_cond_accel): New function.
(calculate_dvc): Likewise.
(num_memory_accesses): Likewise.
(check_condition): Likewise.
(ppc_linux_can_accel_watchpoint_condition): Likewise
(ppc_linux_insert_watchpoint): Call can_use_watchpoint_cond_accel,
check_condition and calculate_dvc.
(ppc_linux_remove_watchpoint): Likewise.
(_initialize_ppc_linux_nat): Set to_can_accel_watchpoint_condition to
ppc_linux_can_accel_watchpoint_condition
* target.c (debug_to_insert_watchpoint): Add argument for watchpoint
condition.
(debug_to_remove_watchpoint): Likewise.
(debug_to_can_accel_watchpoint_condition): New function.
(update_current_target): Set to_can_accel_watchpoint_condition.
(setup_target_debug): Set to_can_accel_watchpoint_condition.
* target.h: Add opaque declaration for struct expression.
(struct target_ops) <to_insert_watchpoint>,
<to_remove_watchpoint>: Add new arguments to pass the watchpoint
<to_can_accel_watchpoint_condition>: New member.
condition. Update all callers and implementations.
(target_can_accel_watchpoint_condition): New macro.
* value.c (free_value_chain): New function.
* value.h (fetch_subexp_value): New prototype.
(free_value_chain): Likewise.
Thiago Jung Bauermann <bauerman@br.ibm.com>
* breakpoint.c (can_use_hardware_watchpoint): Answer "what does this
represent?" question in comment. Change comment to a proper sentence.
* infrun.c (handle_inferior_event): Handle presence of single-step
breakpoints for TARGET_WAITKIND_FORKED and TARGET_WAITKIND_VFORKED.
Cancel single-step breakpoints for TARGET_WAITKIND_EXITED,
TARGET_WAITKIND_SIGNALED, and TARGET_WAITKIND_EXECD.
* breakpoint.c (detach_single_step_breakpoints): New function.
(detach_breakpoints): Call it.
(cancel_single_step_breakpoints): New function.
* breakpoint.h (cancel_single_step_breakpoints): Add prototype.
* spu-tdep.c (spu_memory_remove_breakpoint): New function.
(spu_gdbarch_init): Install it.
testsuite/ChangeLog:
* gdb.cell/fork.exp: New file.
* gdb.cell/fork.c: Likewise.
* gdb.cell/fork-spu.c: Likewise.
2010-06-16 Sergio Durigan Junior <sergiodj@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
* breakpoint.c: Include parser-defs.h.
(watchpoint_exp_is_const): New function.
(watch_command_1): Call watchpoint_exp_is_const to check
if the expression is constant.
gdb/doc/ChangeLog:
2010-06-16 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.texinfo: Include information about the correct use
of addresses in the `watch' command.
gdb/testsuite/ChangeLog:
2010-06-16 Jan Kratochvil <jan.kratochvil@redhat.com>
Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.base/watch-notconst.c: New file.
* gdb.base/watch-notconst.S: New file.
* gdb.base/watch-notconst2.c: New file.
* gdb.base/watch-notconst2.S: New file.
* gdb.base/watch-notconst.exp: New file.
* gdb.base/watchpoint.c (global_ptr_ptr): New variable.
(func4): Add operations on `global_ptr_ptr'.
* gdb.base/watchpoint.exp (test_constant_watchpoint): New
routine to test watchpoints created with a constant expression.
(test_inaccessible_watchpoint): Include tests for watchpoints
created with a constant expression.
* breakpoint.c (breakpoint_restore_shadows): New OWNER comment.
(should_be_inserted): Return zero also on NULL OWNER.
(breakpoint_program_space_exit): New OWNER comment.
(insert_breakpoint_locations): Extend comment for OWNER.
(remove_breakpoint_1, remove_breakpoint): Assert on OWNER.
(breakpoint_init_inferior, breakpoint_here_p, breakpoint_thread_match):
New OWNER comment.
(print_it_typical): Return PRINT_UNKNOWN on NULL OWNER.
(watchpoint_check): New assert on BREAKPOINT_AT and OWNER.
(bpstat_check_location): New assert on OWNER.
(bpstat_check_watchpoint, bpstat_check_breakpoint_conditions): Move BL
and B initializations to the code block. New assert on them.
(print_one_breakpoint_location): New OWNER comment.
(watchpoint_locations_match): Assert on OWNER.
(breakpoint_locations_match): Move HW_POINT1 and HW_POINT2
initializations to the code block. New assert on OWNER.
(set_breakpoint_location_function): New assert on OWNER.
(disable_breakpoints_in_shlibs, disable_breakpoints_in_unloaded_shlib)
(bp_location_compare, update_global_location_list)
(update_global_location_list): New OWNER comment.
gdb/testsuite/
* gdb.base/moribund-step.exp: New.
Clear stale specific bp_location from former whole breakpoint.
* breakpoint.c (delete_breakpoint): Move the stale referencing clear
code ...
(free_bp_location): ... here. Rename there the called function to
bpstat_remove_bp_location_callback.
(bpstat_remove_breakpoint_callback): Rename to ...
(bpstat_remove_bp_location_callback): ... here, change DATA resolution
to struct bp_location. Change the called function to
bpstat_remove_bp_location. Create new declaration for the function.
(bpstat_remove_breakpoint): Rename to ...
(bpstat_remove_bp_location): ..., change the parameter to loc, adjust
code for the new parameter type.
Implement `save-breakpoints'.
gdb/
* breakpoint.c (save_cmdlist): New.
(breakpoint_set_cmdlist, breakpoint_show_cmdlist): Moved up close
to save_cmdlist.
(print_recreate_catch_fork): New.
(catch_fork_breakpoint_ops): Install it.
(print_recreate_catch_vfork): New.
(catch_vfork_breakpoint_ops): Install it.
(print_recreate_catch_syscall): New.
(catch_syscall_breakpoint_ops): Install it.
(print_recreate_catch_exec): New.
(catch_exec_breakpoint_ops): Install it.
(print_recreate_exception_catchpoint): New.
(gnu_v3_exception_catchpoint_ops): Install it.
(save_breakpoints): New, based on tracepoint_save_command, but
handle all breakpoint types.
(save_breakpoints_command): New.
(tracepoint_save_command): Rename to...
(save_tracepoints_command): ... this, and reimplement using
save_breakpoints.
(save_command): New.
(_initialize_breakpoints): Install the "save" command prefix.
Install the "save breakpoints" command. Make "save-tracepoints" a
deprecated alias for "save tracepoints".
* breakpoint.h (struct breakpoint_ops): New field `print_recreate'.
* ada-lang.c (print_recreate_exception): New.
(print_recreate_catch_exception): New.
(catch_exception_breakpoint_ops): Install it.
(print_recreate_catch_exception_unhandled): New.
(catch_exception_unhandled_breakpoint_ops): Install it.
(print_recreate_catch_assert): New.
(catch_assert_breakpoint_ops): Install it.
* NEWS: Mention the new `save breakpoints' command. Mention the
new `save tracepoints' alias and that `save-tracepoints' is now
deprecated.
gdb/doc/
* gdb.texinfo (Save Breakpoints): New node.
(save-tracepoints): Rename to ...
(save tracepoints): ... this. Mention that `save-tracepoints' is
a deprecated alias to `save tracepoints'.
gdb/testsuite/
* gdb.trace/save-trace.exp: Adjust.
is_hardware_watchpoint.
(watchpoints_triggered): Ditto.
(bpstat_check_location): Use is_watchpoint and
is_hardware_watchpoint.
(bpstat_check_watchpoint): Use is_watchpoint and
is_hardware_watchpoint.
(bpstat_stop_status): Fix comment.
(user_settable_breakpoint): Use is_watchpoint.
(hw_watchpoint_used_count): Use is_hardware_watchpoint.
(disable_watchpoints_before_interactive_call_start): Use
is_watchpoint.
(enable_watchpoints_after_interactive_call_stop): Use
is_watchpoint.
(clear_command): Use is_watchpoint.
(do_enable_breakpoint): Use is_watchpoint.
Nathan Sidwell <nathan@codesourcery.com>
* breakpoint.c (breakpoint_1): Add filter argument, return number of
breakpoints printed.
(is_hardware_watchpoint): Make argument const.
(is_watchpoint): Ditto.
(is_tracepoint): Merge of tracepoint_type and breakpoint_is_tracepoint,
use it everywhere.
(breakpoints_info): Pass NULL to breakpoint_1.
(maintenance_info_breakpoints): Ditto.
(watchpoints_info): New function.
(tracepoints_info): Use breakpoint_1 filter.
(set_ignore_count): Warn that tracepoint ignore count will be ignored.
(_initialize_breakpoint): Make "info watchpoints" its own command.
* breakpoint.h (is_tracepoint): Rename from breakpoint_is_tracepoint.
* mi/mi-cmd-break.c (mi_cmd_break_commands): Use is_tracepoint.
* gdb.texinfo (Setting Breakpoints): "info watch" no longer a synonym.
(Setting Watchpoints): Update description of "info watch".
(Disabling Breakpoints): Only "info break" lists all.
* gdb.base/completion.exp: Update for new "info watchpoints".
* gdb.base/default.exp: Ditto.
* gdb.base/help.exp: Ditto.
* gdb.base/watchpoint.exp: Ditto.
* gdb.trace/infotrace.exp: Update "info tracpoints" output.
* breakpoint.c (tracepoint_save_command): Include variables,
conditionals, tracepoint types, and default-collect.
* tracepoint.c (save_trace_state_variables): New function.
* tracepoint.h (save_trace_state_variables): Declare it.
* gdb.trace/save-trace.exp: Test save/restore of default-collect
and tracepoint conditionals.
(gdb_verify_tracepoints): Delete unused return.
(skip_prologue_sal): Remove local definition.
(resolve_sal_pc): Remove now unnecessary code.
* linespec.c (minsym_found): Call skip_prologue_sal.
* symtab.c (find_function_start_pc): Remove.
(find_function_start_sal): Extract prologue skipping into ...
(skip_prologue_sal): ... this new function. Handle code both
with and without debug info. Respect SAL's explicit_pc and
explicit_line flags. Inline old find_function_start_pc.
* symtab.h (find_function_start_pc): Remove.
(skip_prologue_sal): Add prototype.
PR breakpoints/9352:
* NEWS: Mention changes to `commands' and `rbreak'.
* symtab.c (do_end_rbreak_breakpoints): New function.
(rbreak_command): Call start_rbreak_breakpoints; arrange to call
end_rbreak_breakpoints.
* breakpoint.c (breakpoint_count, tracepoint_count): Now static.
(set_breakpoint_count): Likewise. Clear last_was_multi.
(multi_start, multi_end, last_was_multi): New globals.
(start_rbreak_breakpoints, end_rbreak_breakpoints): New
functions.
(struct commands_info): New
(do_map_commands_command): New function.
(commands_command_1): New function.
(commands_command): Use it.
(commands_from_control_command): Likewise.
(do_delete_breakpoint): New function.
(delete_command): Use it.
(map_breakpoint_numbers): Add 'data' argument. Pass to callback.
(do_map_disable_breakpoint): New function.
(disable_command): Use it.
(do_map_enable_breakpoint): New function.
(enable_command): Use it.
(enable_once_breakpoint): Add argument.
(enable_once_command): Update.
(enable_delete_breakpoint): Add argument.
(enable_delete_command): Update.
(break_command_really): Set last_was_multi when needed.
(check_tracepoint_command): Fix formatting.
(validate_commands_for_breakpoint): New function.
(breakpoint_set_commands): Use it.
(tracepoint_save_command): Update.
* breakpoint.h (start_rbreak_breakpoints, end_rbreak_breakpoints):
Declare.
gdb/doc
PR breakpoints/9352:
* gdb.texinfo (Break Commands): Update.
gdb/testsuite
PR breakpoints/9352:
* gdb.base/default.exp: Update.
* gdb.base/commands.exp: Update.
* gdb.cp/extern-c.exp: Test setting commands on multiple
breakpoints at once.
* defs.h (read_command_lines, read_command_lines_1): New
parameters validator and closure.
* tracepoint.h (struct action_line): Remove.
* breakpoint.h (struct breakpoint): Remove the 'actions'
field.
* defs.h (enum command_control_type): New value
while_stepping_control.
(struct command_line): Add comments.
* breakpoint.c (breakoint_is_tracepoint): New.
(breakpoint_set_commands): For tracepoints,
verify the commands are permissible.
(check_tracepoint_commands): New.
(commands_command): Require that each new line is validated using
check_tracepoint_command, if we set commands for a tracepoint.
(create_tracepoint_from_upload): Likewise.
(print_one_breakpoint_location): Remove the code to print
actions specifically.
(tracepoint_save_command): Relay to print_command_lines.
* cli/cli-script.c (process_next_line): New parameters validator
and closure. Handle 'while-stepping'. Call validator if not null.
(read_command_lines, read_command_lines1): Likewise.
(recurse_read_control_structure): New parameters validator and
closure. Handle while_stepping_control.
(print_command_lines): Handle while-stepping.
(get_command_line, define_command, document_command): Adjust.
* remote.c (remote_download_tracepoint): Adjust.
* tracepoint.c (make_cleanup_free_actions, read_actions)
(free_actions, do_free_actions_cleanup): Remove.
(trace_actions_command): Use read_command_lines.
(validate_actionline): Use error in one place.
(encode_actions_1): New, extracted from...
(encode_actions): ...this. Also use cleanups for exception
safety.
(trace_dump_command): Adjust.
* mi/mi-cmd-break (mi_cmd_break_commands): Validate commands if
it's tracepoint.
* breakpoint.c (condition_command): Handle watchpoint conditions.
(is_hardware_watchpoint): Add comment.
(is_watchpoint): New.
(update_watchpoint): Don't reparse the watchpoint's condition
unless necessary.
(WP_IGNORE): New.
(watchpoint_check): Use it.
(bpstat_check_watchpoint): Handle it.
(bpstat_check_breakpoint_conditions): Evaluate watchpoint local
conditions in a frame where it makes sense.
(watch_command_1): Store the innermost block of the condition
expression.
(delete_breakpoint): Delete the watchpoint condition expression.
* breakpoint.h (struct bp_location) <cond>: Update comment.
(struct breakpoint): New fields `cond_exp' and
`cond_exp_valid_block'.
gdb/testsuite/
* gdb.base/watch-cond.c, gdb.base/watch-cond.exp: New.
* breakpoint.c (clear_syscall_counts): Take struct inferior*.
* inferior.c (add_inferior_silent): Notify inferior_added
observer.
(delete_inferior_1): Notify inferior_removed observer.
(exit_inferior_1): Pass inferior, not pid, to observer.
(inferior_appeared): Likewise.
(add_inferior_with_spaces): New.
(add_inferior_command): Use the above.
* inferior.h (delete_inferior_1, add_inferior_with_spaces):
Declare.
* inflow.c (inflow_inferior_exit): Likewise.
* jit.c (jit_inferior_exit_hook): Likewise.
* mi/mi-cmds.c (mi_cmds): Register add-inferior and
remove-inferior.
* mi/mi-cmds.h (mi_cmd_add_inferior, mi_cmd_remove_inferior): New.
* mi/mi-interp.c (mi_inferior_added, mi_inferior_removed): New.
(report_initial_inferior): New.
(mi_inferior_removed): Register the above. Make sure
inferior_added observer is called on the first inferior.
(mi_new_thread, mi_thread_exit): Thread group is now identified by
inferior number, not pid.
(mi_solib_loaded, mi_solib_unloaded): Report which inferiors are
affected.
* mi/mi-main.c (current_context): New.
(proceed_thread_callback): Use typed closure.
Proceed everything if pid is 0. Most implementation split into
(proceed_thread): ... this.
(run_one_inferior): New.
(mi_cmd_exec_continue, mi_cmd_exec_interrupt, mi_cmd_exec_run):
Adjust for multiexec behaviour.
(mi_cmd_add_inferior, mi_cmd_remove_inferior): New.
(mi_cmd_execute): Handle the 'thread-group' option here.
Do some extra checks.
* mi-parse.c (mi_parse): Handle the --all and --thread-group
options.
* mi-parse.h (struct mi_parse): New fields all and thread_group.
PR9605
gdb/
* breakpoint.c (insert_bp_location): If inserting the read
watchpoint failed, fallback to an access watchpoint.
(bpstat_check_watchpoint): Stop for read watchpoint triggers even
if the value changed, if not watching the same memory for writes.
(watchpoint_locations_match): Add comment.
(update_global_location_list): Copy the location's watchpoint type.
* i386-nat.c (i386_length_and_rw_bits): It's an internal error to
handle read watchpoints here.
(i386_insert_watchpoint): Read watchpoints aren't supported.
* remote.c (remote_insert_watchpoint): Return 1 for unsupported
packets.
* target.h (target_insert_watchpoint): Update description.
2010-02-22 Pedro Alves <pedro@codesourcery.com>
PR9605
gdbserver/
* 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.
2010-02-22 Pedro Alves <pedro@codesourcery.com>
PR9605
gdb/testsuite/
* gdb.base/watch-read.c, gdb.base/watch-read.exp: New files.
