Remove excessive DWARF expressions memory duplication.
* dwarf2loc.c (per_cu_dwarf_call): Remove variable back_to and its use
for block.data.
(indirect_pieced_value): Remove variable result. Remove variable
back_to and its use for baton.data.
(dwarf2_compile_expr_to_ax): Remove variable back_to and its use for
block.data.
* dwarf2read.c (dwarf2_fetch_die_location_block): Remove xmemdup.
Update the function comment.
* inferior.h (ALL_INFERIORS): New.
* linux-thread-db.c (thread_db_find_new_threads_2): Remove check
for a stopped thread.
(thread_db_find_new_threads): Look for threads in all inferiors.
* breakpoint.c (update_watchpoint): Handle the case of the
watchpoint to update not being in the breakpoint list yet.
(hw_watchpoint_use_count): New, factored out from
hw_watchpoint_used_count.
(hw_watchpoint_used_count): Rename to ...
(hw_watchpoint_used_count_others): ... this. Add `except'
parameter. Don't count resources of `except'. Use
hw_watchpoint_use_count.
2011-09-12 Pedro Alves <pedro@codesourcery.com>
Matt Rice <ratmice@gmail.com>
PR gdb/13175
* interps.c (struct interp) <interpreter_out>: Delete field.
(interp_new): Remove the data and uiout parameters and adjust.
(interp_set): Only set the current_uiout from the interpreter's
uiout after initializing the interpreter. Adjust call to
init_proc.
(interp_ui_out): Adjust to call procs->ui_out_proc.
(interp_data, interp_name): New.
* interps.h (interp_init_ftype): Add `self' parameter.
(interp_ui_out_ftype): New typedef.
(struct interp_procs) <ui_out_proc>: New method pointer.
(interp_new): Remove the data and uiout parameters.
(interp_data, interp_name): Declare.
* tui/tui-interp.c (tui_init): Adjust prototype.
(tui_ui_out): New.
(_initialize_tui_interp): Install tui_ui_out. Don't instanciate
tui_out here. Adjust call to interp_new.
* tui/tui-io.c (tui_initialize_io): Don't set current_uiout here.
* cli/cli-interp.c (cli_interpreter_init): Adjust prototype.
(cli_ui_out): New.
(_initialize_cli_interp): Install it. Adjust call to interp_new.
* mi/mi-common.h (struct mi_interp) <uiout>: New field.
* mi/mi-interp.c (mi_interpreter_init): Adjust prototype.
Initialize mi->uiout depending on the mi_version as extracted from
the interpreter's name.
(mi_ui_out): New.
(_initialize_mi_interp): Install mi_ui_out. Adjust calls to
interp_new. Don't allocate the ui_out's of the interpreters here.
gdb/testsuite/
2011-09-12 Matt Rice <ratmice@gmail.com>
Pedro Alves <pedro@codesourcery.com>
PR gdb/13175
* gdb.base/interp.exp: New tests.
* gdb.base/interp.c: New file.
Code cleanup.
* amd64-tdep.c (amd64_skip_prologue): Move the XMM code to ...
(amd64_skip_xmm_prologue): ... this new function. Describe its
parameters. No longer use amd64_prologue_line_bug.
* defs.h (producer_is_gcc_ge_4): New declaration.
* dwarf2read.c (producer_is_gcc_ge_4): Move to utils.c.
(process_full_comp_unit): Update its caller. Remove
amd64_prologue_line_bug initialization.
* symtab.h (struct symtab): Remove field amd64_prologue_line_bug.
* utils.c (producer_is_gcc_ge_4): Moved here from dwarf2read.c.
2011-09-09 Pedro Alves <pedro@codesourcery.com>
* linux-nat.h (enum resume_kind): New.
(struct lwp_info) <last_resume_kind>: New field.
* linux-nat.c (linux_child_follow_fork): Set last_resume_kind to
resume_stop on the new lwp.
(add_lwp): Set last_resume_kind as resume_continue by default.
(lin_lwp_attach_lwp): Set last_resume_kind as resume_stop.
(resume_lwp): New, factored out from resume_callback. Also check
for pending status in lp->waitstatus.
(resume_callback): Reimplement.
(resume_clear_callback): Set last_resume_kind as resume_stop.
(resume_set_callback): Set last_resume_kind as resume_continue.
(linux_nat_resume, linux_handle_extended_wait): Set
last_resume_kind.
(running_callback): Also check lp->waitstatus for pending events.
(select_singlestep_lwp_callback): Check that lp->last_resume_kind
is resume_step.
(stop_and_resume_callback): Don't re-resume if the core wanted the
lwp stopped. Use resume_lwp instead of resume_callback. Avoid
using an invalidated pointer.
(linux_nat_filter_event): Don't discard SIGSTOPs as delayed
SIGSTOPs if the core wanted the LWP to stop.
(linux_nat_wait_1) Don't consume a pending SIGSTOP if the core
wanted the lwp to stop. If the core wanted the lwp to stop, and
the lwp stopped with a SIGSTOP, report a TARGET_SIGNAL_0 instead
of TARGET_SIGNAL_STOP.
(linux_nat_stop_lwp): Don't synchronously wait for the lwp to stop
here. Instead, signal the lwp, and set the last_resume_kind to
resume_stop.
* linux-nat.h (enum resume_kind): New.
(struct lwp_info) <last_resume_kind>: New field.
(linux_child_follow_fork): Set last_resume_kind to resume_stop on
the new lwp.
(add_lwp): Set last_resume_kind as resume_continue by default.
(lin_lwp_attach_lwp): Set last_resume_kind as resume_stop.
(resume_lwp): New, factored out from resume_callback. Also check
for pending status in lp->waitstatus.
(resume_callback): Reimplement.
(resume_clear_callback): Set last_resume_kind as resume_stop.
(resume_set_callback): Set last_resume_kind as resume_continue.
(linux_nat_resume, linux_handle_extended_wait): Set
last_resume_kind.
(running_callback): Also check lp->waitstatus for pending events.
(select_singlestep_lwp_callback): Check that lp->last_resume_kind
is resume_step.
(stop_and_resume_callback): Don't re-resume if the core wanted the
lwp stopped. Use resume_lwp instead of resume_callback. Avoid
using an invalidated pointer.
(linux_nat_filter_event): Don't discard SIGSTOPs as delayed
SIGSTOPs if the core wanted the LWP to stop.
(linux_nat_wait_1) Don't consume a pending SIGSTOP if the core
wanted the lwp to stop. If the core wanted the lwp to stop, and
the lwp stopped with a SIGSTOP, report a TARGET_SIGNAL_0 instead
of TARGET_SIGNAL_STOP.
(linux_nat_stop_lwp): Don't synchronously wait for the lwp to stop
here. Instead, signal the lwp, and set the last_resume_kind to
resume_stop.
PR breakpoints/12435
* amd64-tdep.c (amd64_skip_prologue): New variables start_pc_sal,
next_sal, buf, offset and xmmreg. Advance PC if it sees the PR.
* dwarf2read.c (process_full_comp_unit): Initialize
amd64_prologue_line_bug.
* symtab.h (struct symtab): New field amd64_prologue_line_bug.
gdb/testsuite/
PR breakpoints/12435
* gdb.arch/amd64-prologue-xmm.c: New file.
* gdb.arch/amd64-prologue-xmm.exp: New file.
* gdb.arch/amd64-prologue-xmm.s: New file.
* findvar.c (read_var_value): Never return NULL, throw an error
instead. Update the function comment. State symbol name in the error
messages.
* python/py-frame.c (frapy_read_var): Remove handling of NULL from
read_var_value.
* stack.c (print_frame_args): Likewise.
* valops.c (value_of_variable): Likewise.
* stack.c (print_frame_args): New variable except. Wrap
read_var_value and common_val_print into TRY_CATCH.
gdb/testsuite/
* gdb.dwarf2/dw2-param-error-main.c: New file.
* gdb.dwarf2/dw2-param-error.S: New file.
* gdb.dwarf2/dw2-param-error.exp: New file.
* eval.c (evaluate_subexp_standard) <OP_THIS>: Update the value_of_this
caller to value_of_this.
* p-exp.y: Update the value_of_this caller to value_of_this_silent.
Twice.
* valops.c (value_of_this): Remove parameter complain and variable ret.
Update function comment. Never return NULL by this code.
(value_of_this_silent): New function.
* value.h (value_of_this): Remove parameter complain.
(value_of_this_silent): New declaration.
* event-top.h (MAXPROMPTS, struct prompts): Delete.
(set_async_annotation_level, set_async_prompt, pop_prompt)
(push_prompt, new_async_prompt): Delete declarations.
* top.h (get_prompt, set_prompt): Change prototype.
(get_prefix, set_prefix, get_suffix, set_suffix): Delete
declarations.
* top.c (command_loop):
(top_prompt): New global.
(get_prefix, set_prefix, get_suffix, ): Delete.
(get_prompt, set_prompt): Rewrite.
(show_new_async_prompt): Rename to ...
(show_prompt): ... this.
(init_main): Adjust. Don't handle --annotate=2 here.
* event-top.c (new_async_prompt): Delete.
(the_prompts): Delete.
(more_to_come): Make static.
(display_gdb_prompt): Use top_level_prompt() to compute the top
level prompt, and don't notify the before_prompt observers
directly here. Always trick readline into not trying to display
the prompt if sync_execution and displaying the primary prompt.
If displaying a local/secondary prompt, always show it, even if
sync_execution is set.
(change_annotation_level): Delete.
(top_level_prompt): New, based on change_annotation_level.
(push_prompt, pop_prompt): Delete.
(async_disable_stdin): No longer pushes prompt.
(command_line_handler): No longer pushes or pops prompt. If more
input is expected, call display_gdb_prompt with an explicit empty
prompt.
(async_stop_sig): Adjust.
(set_async_annotation_level, set_async_prompt): Delete.
* python/python.c (before_prompt_hook): Adjust.
* event-top.c (cli_command_loop): Replace readline setup with
direct call to display_gdb_prompt.
(display_gdb_prompt): Do not call observer mechanism during
synchronous execution.
testsuite:
* lib/prompt.exp: New file for testing the first prompt.
* gdb.python/py-prompt.exp: Ditto.
* gdb.python/py-prompt.c: Ditto (copy of ext-attach.c).
* linux-nat.c (in_pid_list_p): New.
(linux_record_stopped_pid): Delete.
(lin_lwp_attach_lwp): Check if PTRACE_ATTACH failed because we're
already attached to the LWP. Return an indication if so.
(linux_nat_filter_event): Adjust.
* linux-thread-db.c (attach_thread): Handle lin_lwp_attach_lwp
returning an indication to ignore this thread.
* top.c: Include interps.h.
(execute_command): If the target can async, but the interpreter is
in sync mode, synchronously wait for the command to finish before
returning.
(execute_command_to_string): Force the interpreter to sync mode.
* infrun.c: Include interps.h.
(fetch_inferior_event): Don't restore the prompt yet if the
interpreter is in sync mode.
* interps.c (interpreter_async): New global.
* interps.h (interpreter_async): Declare.
* inf-loop.c: Include interps.h.
(inferior_event_handler): Don't print the language change or run
breakpoint commands yet if the interpreter in is sync mode.
* main.c (captured_command_loop): Flip the interpreter to async
mode.
* cli/cli-script.c: Include interps.h.
(execute_user_command, while_command, if_command): Force the
interpreter to sync mode.
* python/python.c: Include interps.h.
(python_command, execute_gdb_command): Force the interpreter to
sync mode.
bcache_xmalloc, replace bcache_xmalloc with call to
psymbol_bcache_init for psymbol_cache.
* symfile.c (reread_symbols): Remove extra calls to bcache_xmalloc.
* breakpoint.c (bpstat_do_actions): New variable cleanup_if_error, call
make_bpstat_clear_actions_cleanup and discard_cleanups for it.
* defs.h (make_bpstat_clear_actions_cleanup): New declaration.
* exceptions.c (throw_exception): Remove the bpstat_clear_actions call.
* inf-loop.c (inferior_event_handler): New variable cleanup_if_error,
call make_bpstat_clear_actions_cleanup and discard_cleanups for it.
Call bpstat_clear_actions for failed fetch_inferior_event_wrapper.
* infrun.c (fetch_inferior_event): Call
make_bpstat_clear_actions_cleanup.
* top.c (execute_command): New variable cleanup_if_error, call
make_bpstat_clear_actions_cleanup and discard_cleanups for it.
* utils.c (do_bpstat_clear_actions_cleanup)
(make_bpstat_clear_actions_cleanup): New functions.
gdb/testsuite/
* gdb.base/commands.exp (error_clears_commands_left): New function.
(): Call it.
