Pedro Alves [Sun, 11 Apr 2010 16:33:56 +0000 (16:33 +0000)]
GDBserver disconnected tracing support.
* linux-low.c (linux_remove_process): Delete.
(add_lwp): Don't set last_resume_kind here.
(linux_kill): Use `mourn'.
(linux_detach): Use `thread_db_detach', and `mourn'.
(linux_mourn): New.
(linux_attach_lwp_1): Adjust comment.
(linux_attach): last_resume_kind moved the thread_info; adjust.
(status_pending_p_callback): Adjust.
(linux_wait_for_event_1): Adjust.
(count_events_callback, select_singlestep_lwp_callback)
(select_event_lwp_callback, cancel_breakpoints_callback)
(db_wants_lwp_stopped, linux_wait_1, need_step_over_p)
(proceed_one_lwp): Adjust.
(linux_async): Add debug output.
(linux_thread_stopped): New.
(linux_pause_all): New.
(linux_target_ops): Install linux_mourn, linux_thread_stopped and
linux_pause_all.
* linux-low.h (struct lwp_info): Delete last_resume_kind field.
(thread_db_free): Delete declaration.
(thread_db_detach, thread_db_mourn): Declare.
* thread-db.c (thread_db_init): Use thread_db_mourn.
(thread_db_free): Delete, split in two.
(disable_thread_event_reporting): New.
(thread_db_detach): New.
(thread_db_mourn): New.
* server.h (struct thread_info) <last_resume_kind>: New field.
<attached>: Add comment.
<gdb_detached>: New field.
(handler_func): Change return type to int.
(handle_serial_event, handle_target_event): Ditto.
(gdb_connected): Declare.
(tracing): Delete.
(disconnected_tracing): Declare.
(stop_tracing): Declare.
* server.c (handle_query) <qSupported>: Report support for
disconnected tracing.
(queue_stop_reply_callback): Account for running threads.
(gdb_wants_thread_stopped): New.
(gdb_wants_all_threads_stopped): New.
(gdb_reattached_process): New.
(handle_status): Clear the `gdb_detached' flag of all processes.
In all-stop, stop all threads.
(main): Be sure to leave tfind mode. Handle disconnected tracing.
(process_serial_event): If the remote connection breaks, or if an
exit was forced with "monitor exit", force an event loop exit.
Handle disconnected tracing on detach.
(handle_serial_event): Adjust.
(handle_target_event): If GDB isn't connected, forward events back
to the inferior, unless the last process exited, in which case,
exit gdbserver. Adjust interface.
* remote-utils.c (remote_open): Don't block in accept. Instead
register an event loop source on the listen socket file
descriptor. Refactor bits into ...
(listen_desc): ... this new global.
(gdb_connected): ... this new function.
(enable_async_notification): ... this new function.
(handle_accept_event): ... this new function.
(remote_close): Clear remote_desc.
* inferiors.c (add_thread): Set the new thread's last_resume_kind.
* tracepoint.c (tracing): Make extern.
(disconnected_tracing): New.
(stop_tracing): Make extern. Handle tracing stops due to GDB
disconnecting.
(cmd_qtdisconnected): New.
(cmd_qtstatus): Report disconnected tracing status in trace reply.
(handle_tracepoint_general_set): Handle QTDisconnected.
* event-loop.c (event_handler_func): Change return type to int.
(process_event): Bail out if the event handler wants the event
loop to stop.
(handle_file_event): Ditto.
(start_event_loop): Bail out if the event handler wants the event
loop to stop.
* nto-low.c (nto_target_ops): Adjust.
* spu-low.c (spu_wait): Don't remove the process here.
(spu_target_ops): Adjust.
* win32-low.c (win32_wait): Don't remove the process here.
(win32_target_ops): Adjust.
Mike Frysinger [Sat, 10 Apr 2010 20:29:54 +0000 (20:29 +0000)]
sim: constify sim_fpu_print_status
I've committed the following patch as obvious. The local "prefix"
variable is only assigned const strings, and only passed to printf()
functions, so add "const" to avoid gcc warnings:
common/sim-fpu.c: In function 'sim_fpu_print_status':
common/sim-fpu.c:2508: warning: initialization discards qualifiers
from pointer target type
common/sim-fpu.c:2566: warning: assignment discards qualifiers
from pointer target type
Mike Frysinger [Sat, 10 Apr 2010 08:00:58 +0000 (08:00 +0000)]
sim: constify save_data()
The local save_data() function takes a pointer to a buffer and only uses it as
the source to the memcpy() function. Since it is given const strings, GCC
likes to spit out warnings:
common/sim-trace.c: In function 'trace_prefix':
common/sim-trace.c:697: warning: passing argument 5 of 'save_data' discards
qualifiers from pointer target type
Mike Frysinger [Sat, 10 Apr 2010 07:35:35 +0000 (07:35 +0000)]
sim: add const markings to env string
The sim-options code assigns a const string to "char *" in decoding the
current environment settings, and only uses it to pass to a printf. GCC
outputs the warnings:
common/sim-options.c: In function 'standard_option_handler':
common/sim-options.c:271: warning: assignment discards qualifiers from pointer
target type
common/sim-options.c:272: warning: assignment discards qualifiers from pointer
target type
common/sim-options.c:273: warning: assignment discards qualifiers from pointer
target type
* layout.cc (Layout::choose_output_section): Handle script section
types.
(Layout::make_output_section_for_script): Add section type parameter.
Handle script section types.
* layout.h (Layout::make_output_section_for_script): Add section
type parameter.
* output.cc (Output_section::Output_section): Initialize data member
is_noload_.
(Output_section::do_reset_address_and_file_offset): Do not set address
to 0 if section is a NOLOAD section.
* output.h (Output_section::is_noload): New method.
(Output_section::set_is_noload): Ditto.
(Output_section::is_noload_): New data member.
* script-c.h (Script_section_type): New enum type.
(struct Parser_output_section_header): Add new file section_type.
* script-sections.cc (Sections_element::output_section_name): Add
parameter for returning script section type.
(Output_section_definition::output_section_name): Ditto.
(Output_section_definition::section_type)P; New method.
(Output_section_definiton::script_section_type_name): Ditto.
(Output_section_definition::script_section_type_): New data member.
(Output_section_definition::Output_section_definition): Initialize
data member Output_section_definition::script_section_type_.
(Output_section_definition::create_sections): Pass script section type
to Layout::make_output_section_for_script.
(Output_section_definition::output_section_name): Return script
section type to caller.
(Output_section_definition::set_section_address): Do not advance
dot value and load address if section type is NOLOAD. Set address
of NOLOAD sections regardless of section flags.
(Output_section_definition::print): Print section type if it is
not SCRIPT_SECTION_TYPE_NONE.
(Output_section_definition::section_type): New method.
(Output_section_definition::script_section_type_name): Ditto.
(Script_sections::output_section_name): Add new parameter
PSECTION_TYPE for returning script section type. Pass it to
section elements. Handle discard sections.
(Sort_output_sections::operator()): Handle NOLOAD sections.
* script-sections.h (Script_sections::Section_type): New enum type.
(Script_sections::output_section_name): Add a new parameter for
returning script section type.
* script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
INFO and NOLOAD.
* yyscript.y (union): Add new field SECTION_TYPE.
(COPY, DSECT, INFO, NOLOAD): New tokens.
(opt_address_and_section_type): Change type to output_section_header.
(section_type): New non-terminal
(section_header): Handle section type.
(opt_address_and_section_type): Return section type value.
* layout.cc (Layout::choose_output_section): Handle script section
types.
(Layout::make_output_section_for_script): Add section type parameter.
Handle script section types.
* layout.h (Layout::make_output_section_for_script): Add section
type parameter.
* output.cc (Output_section::Output_section): Initialize data member
is_noload_.
(Output_section::do_reset_address_and_file_offset): Do not set address
to 0 if section is a NOLOAD section.
* output.h (Output_section::is_noload): New method.
(Output_section::set_is_noload): Ditto.
(Output_section::is_noload_): New data member.
* script-c.h (Script_section_type): New enum type.
(struct Parser_output_section_header): Add new file section_type.
* script-sections.cc (Sections_element::output_section_name): Add
parameter for returning script section type.
(Output_section_definition::output_section_name): Ditto.
(Output_section_definition::section_type)P; New method.
(Output_section_definiton::script_section_type_name): Ditto.
(Output_section_definition::script_section_type_): New data member.
(Output_section_definition::Output_section_definition): Initialize
data member Output_section_definition::script_section_type_.
(Output_section_definition::create_sections): Pass script section type
to Layout::make_output_section_for_script.
(Output_section_definition::output_section_name): Return script
section type to caller.
(Output_section_definition::set_section_address): Do not advance
dot value and load address if section type is NOLOAD. Set address
of NOLOAD sections regardless of section flags.
(Output_section_definition::print): Print section type if it is
not SCRIPT_SECTION_TYPE_NONE.
(Output_section_definition::section_type): New method.
(Output_section_definition::script_section_type_name): Ditto.
(Script_sections::output_section_name): Add new parameter
PSECTION_TYPE for returning script section type. Pass it to
section elements. Handle discard sections.
(Sort_output_sections::operator()): Handle NOLOAD sections.
* script-sections.h (Script_sections::Section_type): New enum type.
(Script_sections::output_section_name): Add a new parameter for
returning script section type.
* script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
INFO and NOLOAD.
* yyscript.y (union): Add new field SECTION_TYPE.
(COPY, DSECT, INFO, NOLOAD): New tokens.
(opt_address_and_section_type): Change type to output_section_header.
(section_type): New non-terminal
(section_header): Handle section type.
(opt_address_and_section_type): Return section type value.
Stan Shebs [Fri, 9 Apr 2010 03:00:58 +0000 (03:00 +0000)]
2010-04-08 Stan Shebs <stan@codesourcery.com>
Pedro Alves <pedro@codesourcery.com>
* tracepoint.h (struct trace_status): New fields disconnected_tracing
and circular_buffer.
(disconnect_tracing): Rename from disconnect_or_stop_tracing.
* tracepoint.c (trace_status_command): Display target's status for
disconnected tracing and circular buffer.
(disconnect_tracing): Rename from disconnect_or_stop_tracing, add
query for non-disconnected-tracing case, remove the stop_tracing
call.
(tfile_open): Clear disconnected and circular buffer status.
(trace_save): Save disconnected and circular buffer status.
(parse_trace_status): Parse disconnected and circular buffer status,
also recognize disconnected as a stop reason.
* remote.c (remote_set_disconnected_tracing): Only set
QTDisconnected if the remote end supports disconnected tracing.
Warn otherwise, if trying to enable disconnected tracing.
* infcmd.c (detach_command): Update disconnect_tracing call.
* cli/cli-cmds.c (quit_command): Ditto.
* gdb.texinfo (Tracepoint Packets): Describe disconn and circular
trace status fields.
* merge.cc (Output_merge_data::set_final_data_size): Handle empty
Output_merge_data.
* output.cc (Output_section::add_merge_input_section): Simplify
code and return status of Output_merge_base::add_input_section.
Update merge section map only if Output_merge_base::add_input_section
returns true.
H.J. Lu [Thu, 8 Apr 2010 22:32:38 +0000 (22:32 +0000)]
Support i386 without SSE.
gdb/
2010-04-08 H.J. Lu <hongjiu.lu@intel.com>
* i386-linux-nat.c (have_ptrace_getfpxregs): Initialize to -1
if HAVE_PTRACE_GETFPXREGS is defined.
(i386_linux_read_description): Set have_ptrace_getfpxregs and
have_ptrace_getregset to 0 if ptrace PTRACE_GETFPXREGS failed.
* i386-linux-tdep.c: Include "features/i386/i386-mmx-linux.c"
(i386_linux_core_read_description): Return tdesc_i386_mmx_linux
if .reg-xfp section doesn't exist.
(_initialize_i386_linux_tdep): Call initialize_tdesc_i386_mmx_linux.
* i386-linux-tdep.h (tdesc_i386_mmx_linux): New.
* i386-tdep.c: Include "features/i386/i386-mmx.c".
(i386_go32_init_abi): Set tdesc to tdesc_i386_mmx.
(i386_validate_tdesc_p): Make org.gnu.gdb.i386.sse optional. Set
xcr0 to I386_XSTATE_X87_MASK if SSE isn't available.
(i386_gdbarch_init): Update comments.
(_initialize_i386_tdep): Call initialize_tdesc_i386_mmx.
* linux-x86-low.c (init_registers_i386_mmx_linux): New.
(x86_linux_update_xmltarget): Call init_registers_i386_mmx_linux
and return if ptrace PTRACE_GETFPXREGS failed in 32bit.
* source.c (openp): Skip $cdir in PATH.
doc/
* gdb.texinfo (Command Files): Document that gdb skips $cdir in
search path, and document that gdb only scans the search path if
the script's path doesn't specify a directory.
Phil Muldoon [Thu, 8 Apr 2010 10:28:42 +0000 (10:28 +0000)]
2010-04-08 Phil Muldoon <pmuldoon@redhat.com>
PR python/11417
* python/py-lazy-string.c (stpy_convert_to_value): Check for
a NULL address.
(gdbpy_create_lazy_string_object): Allow strings with a NULL
address and a zero length.
2010-04-08 Phil Muldoon <pmuldoon@redhat.com>
* gdb.python/py-value: Add null string variable.
(test_lazy_string): Test zero length, NULL address lazy
strings.
* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
if section is marked as containing instructions but has no mapping
symbols.
(Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
correct section index.
(Arm_relobj::find_linked_text_section): Ditto.
* archive.cc (include_member): Destroy Read_symbols_data object before
releasing file.
* object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
* object.h (Read_symbols_data::Read_symbols_data) New constructor.
(Read_symbols_data::~Read_symbols_data) New destructor.
(Section_relocs::Section_relocs) New constructor.
(Section_relocs::~Section_relocs) New destructor.
(Read_relocs_data::Read_relocs_data) New constructor.
(Read_relocs_data::~Read_relocs_data) New destructor.
* testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
pointers to NULL after deleting.
* arm.cc: Replace "endianity" with "endianness" in comments.
(Arm_exidx_cantunwind): Ditto.
(Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
(Arm_relobj::merge_flags_and_attributes): New method.
(Arm_relobj::merge_flags_and_attributes_): New data member.
(Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
(Arm_relobj::scan_sections_for_stubs): Ditto.
(Arm_relobj::do_read_symbols): Check to see if we really want to
merge processor-specific flags and attributes. Exit early if
an object is empty except for section names and the undefined symbol.
(Target_arm::do_finalize_sections): Move check for ELF format to
Arm_relobj::do_read_symbols. Merge processor specific flags and
attributes from a regular object only when we have determined that
it is aapropriate. Do not create an .ARM.attributes section in
output if there is no regular input object.
(Target_arm::merge_processor_specific_flags): Check
--warn-mismatch before printing any error.
(Target_arm::merge_object_attributes): Ditto.
* gold.cc (queue_middle_tasks): Handle the case in which there is
no regular object in input.
* options.cc (General_options::parse_EB): New method.
(General_options::parse_EL): Same.
(General_options::General_options): Initialize endianness_.
* options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
New options.
(General_options::Endianness): New enum.
(General_options::endianness): New method.
(General_options::endianness_): New data member.
* parameters.cc (Parameters::set_options): Check target endianness.
(Parameters::set_target_once): Ditto.
(Parameters::check_target_endianness): New method.
(parameters_force_valid_target): If either -EL or -EB is specified,
use it to define endianness of default target.
* parameters.h (Parameters::check_target_endianness): New method
declaration.
* target.h (class Target): Change "endianity" to "endianness"
in comments.
* i386-tdep.c: Include "i386-xstate.h" and
"features/i386/i386-avx.c".
(i386_ymm_names): New.
(i386_ymmh_names): Likewise.
(i386_ymmh_regnum_p): Likewise.
(i386_ymm_regnum_p): Likewise.
(i386_xmm_regnum_p): Likewise.
(i386_register_name): Likewise.
(i386_ymm_type): Likewise.
(i386_supply_xstateregset): Likewise.
(i386_collect_xstateregset): Likewise.
(i386_sse_regnum_p): Removed.
(i386_pseudo_register_name): Support pseudo YMM registers.
(i386_pseudo_register_type): Likewise.
(i386_pseudo_register_read): Likewise.
(i386_pseudo_register_write): Likewise.
(i386_dbx_reg_to_regnum): Return %ymmN register number for
%xmmN if AVX is available.
(i386_regset_from_core_section): Support .reg-xstate section.
(i386_register_reggroup_p): Supper upper YMM and YMM registers.
(i386_process_record): Replace i386_sse_regnum_p with
i386_xmm_regnum_p.
(i386_validate_tdesc_p): Support org.gnu.gdb.i386.avx feature.
Set ymmh_register_names, num_ymm_regs, ymm0h_regnum and xcr0.
(i386_gdbarch_init): Set xstateregset. Set xsave_xcr0_offset.
Call set_gdbarch_register_name. Replace I386_SSE_NUM_REGS with
I386_AVX_NUM_REGS. Set ymmh_register_names, ymm0h_regnum and
num_ymm_regs. Add num_ymm_regs to set_gdbarch_num_pseudo_regs.
Set ymm0_regnum.
(_initialize_i386_tdep): Call initialize_tdesc_i386_avx.
gcc PR lto/42757
* plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
prevailing definitions of common symbols.
* testsuite/plugin_test_6.sh: New test case.
* testsuite/plugin_common_test_1.c: New test case.
* testsuite/plugin_common_test_2.c: New test case.
* testsuite/Makefile.am (plugin_test_6): New test case.
* testsuite/Makefile.in: Regenerate.
Pierre Muller [Mon, 5 Apr 2010 22:43:49 +0000 (22:43 +0000)]
* gdb/stabsread.c (define_symbol): Add support for char
and string constants.
* gdb/testsuite/gdb.stabs/aout.sed: Convert all backslash to double backslash
within one line, unless it is followed by a double quote.
* gdb/testsuite/gdb.stabs/hppa.sed: Idem.
* gdb/testsuite/gdb.stabs/weird.def: Add char and String constants
* gdb/testsuite/gdb.stabs/weird.exp: Check for correct parsing of
chhar and string constants.
* gdb/testsuite/gdb.stabs/xcoff.sed: Ignore escaped quote quotes
in .stabs to .stabx substitution.
Stan Shebs [Mon, 5 Apr 2010 21:57:18 +0000 (21:57 +0000)]
2010-04-05 Stan Shebs <stan@codesourcery.com>
* tracepoint.c: Include gdbcore.h.
(tfile_xfer_partial): Return partial results, also try reading
from executable.
(tfile_has_all_memory): New function.
(init_tfile_ops): Use it.
* gdb.trace/tfile.c: Add a variable split across two blocks, and a
constant global.
* gdb.trace/tfile.exp: Try to print them.
Jakub Jelinek [Mon, 5 Apr 2010 19:32:06 +0000 (19:32 +0000)]
bfd/
* elf-eh-frame.c (_bfd_elf_parse_eh_frame): Handle CIE version 4
provided that it has the expected address size and zero segment
length.
binutils/
* dwarf.c (struct Frame_Chunk): Add ptr_size and segment_size
fields.
(display_debug_frames): Handle CIE version 4.
Jakub Jelinek [Mon, 5 Apr 2010 19:30:00 +0000 (19:30 +0000)]
include/
* dwarf2.h (DWARF2_Internal_LineInfo): Add li_max_ops_per_insn
field.
bfd/
* dwarf2.c (struct line_head): Add maximum_ops_per_insn field.
(struct line_info): Add op_index field, change end_sequence type to
unsigned char.
(new_line_sorts_after): For the same address compare op_index.
(add_line_info): Add op_index argument, store it into the structure.
(decode_line_info): Complain about unknown versions of .debug_line.
Initialize maximum_ops_per_insn. Add op_index state register and
track it.
binutils/
* dwarf.c (struct State_Machine_Registers): Add op_index field,
change end_sequence type to unsigned char.
(reset_state_machine): Clear op_index.
(process_extended_line_op): For DW_LNE_set_address clear op_index.
(display_debug_lines_raw): Initialize li_max_ops_per_insn.
Track op_index state machine register and print it if
li_max_ops_per_insn is != 1.
(display_debug_lines_decoded): Likewise.
PR gdb/10736:
* xml-syscall.c (my_gdb_datadir): New variable to keep track of
the changes in data-directory.
(init_sysinfo): Reload the syscall XML file if the data-directory
has changed.
Stan Shebs [Sun, 4 Apr 2010 23:47:16 +0000 (23:47 +0000)]
2010-04-04 Stan Shebs <stan@codesourcery.com>
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.
projects / deliverable / binutils-gdb.git / log
