* target.h (enum trace_find_type): New enum.
(struct target_ops): New fields to_trace_init,
to_download_tracepoint, to_download_trace_state_variable,
to_trace_set_readonly_regions, to_trace_start, to_get_trace_status,
to_trace_stop, to_trace_find, to_get_trace_state_variable_value,
to_set_disconnected_tracing.
(target_trace_init): New macro.
(target_download_tracepoint): New macro.
(target_download_trace_state_variable): New macro.
(target_trace_start): New macro.
(target_trace_set_readonly_regions): New macro.
(target_get_trace_status): New macro.
(target_trace_stop): New macro.
(target_trace_find): New macro.
(target_get_trace_state_variable_value): New macro.
(target_set_disconnected_tracing): New macro.
* target.c (update_current_target): Inherit and set defaults for
tracepoint operations.
* tracepoint.c (default_collect): Make globally visible.
(target_is_remote): Remove, along with all calls.
(tvariables_info): Call target_get_trace_state_variable_value.
(remote_set_transparent_ranges): Remove.
(trace_start_command): Call target_trace_init,
target_download_tracepoint, etc.
(download_tracepoint): Remove.
(trace_stop_command): Simplify.
(stop_tracing): Call target_trace_stop.
(get_trace_status): Call target_get_trace_status.
(trace_status_command): Add case for targets that cannot trace.
(finish_tfind_command): Change to take numerical arguments, call
target_trace_find.
(trace_find_command): Update call to finish_tfind_command.
(trace_find_pc_command): Ditto.
(trace_find_tracepoint_command): Ditto.
(trace_find_line_command): Ditto.
(trace_find_range_command): Ditto.
(trace_find_outside_command): Ditto.
(set_disconnected_tracing_value): Call
target_set_disconnected_tracing.
* remote.c: Add protocol encoding bits from tracepoint.c.
(trace_error): Move from tracepoint.c.
(remote_get_noisy_reply): Ditto.
(free_actions_list_cleanup_wrapper): Ditto.
(free_actions_list): Ditto.
(remote_trace_init): New function.
(remote_download_tracepoint): New function.
(remote_download_trace_state_variable): New function.
(remote_trace_set_readonly_regions): New function.
(remote_trace_start): New function.
(remote_get_trace_status): New function.
(remote_trace_stop): New function.
(remote_trace_find): New function.
(remote_download_trace_state_variable): New function.
(remote_set_disconnected_tracing): New function.
(init_remote_ops): Add tracepoint operations.
* infcmd.c (detach_command): Ask whether to stop tracing.
* cli/cli-cmds.c (quit_command): Ditto.
* breakpoint.h (struct breakpoint): New field number_on_target.
* breakpoint.c (create_tracepoint_from_upload): New function.
(get_tracepoint_by_number_on_target): New function.
* remote.c (struct remote): New field disconnected_tracing.
(remote_disconnected_tracing_feature): New function.
(remote_protocol_features): Add DisconnectedTracing.
(struct uploaded_tp): New struct.
(uploaded_tps): New global.
(get_uploaded_tp): New function.
(find_matching_tracepoint): New function.
(remote_get_tracing_state): New function.
(remote_start_remote): Call it.
* tracepoint.c (disconnected_tracing): New global.
(trace_start_command): Initialize number_on_target.
(stop_tracing): New function, split out from...
(trace_stop_command): Call stop_tracing.
(get_trace_status): New function, split out from...
(trace_status_command): Call get_trace_status, add info on
disconnection behavior.
(disconnect_or_stop_tracing): New function.
(finish_tfind_command): Translate from number on target.
(trace_find_tracepoint_command): Translate to number on target.
(send_disconnected_tracing_value): New function.
(set_disconnected_tracing): New function.
(_initialize_tracepoint): Add disconnected-tracing variable.
* NEWS: Mention disconnected tracing.
* gdb.texinfo (Starting and Stopping Trace Experiments): Document
disconnected tracing.
(Tracepoint Packets): Document new protocol.
* symtab.c (lookup_global_symbol_from_objfile): Rename objfile
parameter to main_objfile. Iterate on all separate debug objfiles.
* symfile.h (symbol_file_add_separate)
(find_separate_debug_file_by_debuglink): Remove parameter names.
* symfile.c (symbol_file_add_separate): Use add_separate_objfile.
(reread_symbols): Use free_objfile_separate_debug.
* objfiles.h (struct objfile): Add separate_debug_objfile_link.
Adjust comment.
(objfile_separate_debug_iterate, add_separate_debug_objfile)
(free_objfile_separate_debug): New prototypes.
* objfiles.c (objfile_separate_debug_iterate): New function.
(add_separate_debug_objfile, free_objfile_separate_debug): New
functions.
(free_objfile): Use free_objfile_separate_debug. Adjust for
multiple separate debug objfile.
(objfile_has_symbols): Adjust comment. Iterate on all separate
debug objfiles.
* minsyms.c (lookup_minimal_symbol): Adjust for multiple separate
debug objfile.
(lookup_minimal_symbol_text): Ditto.
(lookup_minimal_symbol_by_pc_name): Ditto.
(lookup_minimal_symbol_solib_trampoline): Ditto.
(lookup_minimal_symbol_by_pc_section_1): Iterate on all separate
debug objfiles.
* gdbtypes.c (check_typedef): New comment on type length.
* value.c (allocate_value_lazy): Remove the unused atype variable. New
comment on type length.
(value_primitive_field): Keep the original TYPE value, new comment.
gdb/testsuite/
* gdb.mi/var-cmd.c (do_bitfield_tests): Change "V.sharable" type to
"uint_for_mi_testing".
* valarith.c (value_equal_contents): New function.
* value.h (value_equal_contents): Declare.
* breakpoint.c (watchpoint_check): Use value_equal_contents
instead of value_equal.
gdb/testsuite/
* gdb.base/watchpoint.exp (test_watchpoint_in_big_blob): New function.
(top level): Call test_watchpoint_in_big_blob.
* gdb.base/watchpoint.c (buf): Change size to value too big for hardware
watchpoints.
(func3): Write to buf.
Add trace state variables.
* ax.h (enum agent_op): Add getv, setv, and tracev.
(ax_tsv): Declare.
* ax-gdb.c: Include tracepoint.h.
(gen_expr): Handle BINOP_ASSIGN, BINOP_ASSIGN_MODIFY, and
OP_INTERNALVAR.
(gen_expr_binop_rest): New function, split from gen_expr.
* ax-general.c (ax_tsv): New function.
(aop_map): Add new bytecodes.
* tracepoint.h (struct trace_state_variable): New struct.
(tsv_s): New typedef.
(find_trace_state_variable): Declare.
* tracepoint.c (tvariables): New global.
(next_tsv_number): New global.
(create_trace_state_variable): New function.
(find_trace_state_variable): New function.
(delete_trace_state_variable): New function.
(trace_variable_command): New function.
(delete_trace_variable_command): New function.
(tvariables_info): New function.
(trace_start_command): Download tsvs with initial values.
(_initialize_tracepoint): Add new commands.
* NEWS: Mention the addition of trace state variables.
==> doc/ChangeLog <==
2009-12-28 Stan Shebs <stan@codesourcery.com>
* gdb.texinfo (Trace State Variables): New section.
(Tracepoint Packets): Describe trace state variable packets.
* agentexpr.texi (Bytecode Descriptions): Describe trace state
variable bytecodes.
==> testsuite/ChangeLog <==
2009-12-28 Stan Shebs <stan@codesourcery.com>
* gdb.trace/tsv.exp: New file.
* gdb.base/completion.exp: Update ambiguous info output.
prototypes.
* printcmd.c (print_address_symbolic): Take a gdbarch argument.
Pass it to build_address_symbolic. All callers updated.
(build_address_symbolic): Take a gdbarch argument. Use
gdbarch_addr_bits_remove for functions. All callers updated.
* breakpoint.c (bpstat_stop_status): Iterate using ALL_BREAKPOINTS and
the B->LOC list. Remove gdb_assert on B. Change bp_hardware_watchpoint
continue to break. Remove variable update_locations. Remove HIT_COUNT
increment protection by an ENABLE_STATE check. Inline the delayed
update_global_location_list call.
gdb/testsuite/
* gdb.base/condbreak.exp: Put breakpoint on marker3 and marker4.
(bp_location13, bp_location14, bp_location17, bp_location18)
(marker3_proto, marker4_proto): New variables.
(breakpoint info): Update output.
(run until breakpoint at marker3, run until breakpoint at marker4): New
tests.
* breakpoint.c (bpstat_stop_status): Check BL->SHLIB_DISABLED.
(print_breakpoint_location): New comment. Check LOC->SHLIB_DISABLED.
Check LOC validity before printing it. Use LOC instead of B->LOC.
Swap the if conditionals order.
gdb/testsuite/
* gdb.base/unload.c (main): Change the UNLOADSHR parameter to 1.
Replace the printf call of Y by provided "y-set-1" label. New block
for the second shared library.
* gdb.base/unload.exp: Compile also the second library, call
gdb_load_shlibs also for it. Use now gdb_breakpoint.
(single pending breakpoint info): Rename to ...
(pending breakpoint info before run): ... this extended test.
(libfile2, libname2, libsrcfile2, libsrc2)
(lib_sl2): New variables.
(exec_opts): Set also SHLIB_NAME2.
(pending breakpoint info on first run at shrfunc1)
(pending breakpoint info on second run at shrfunc1)
(pending breakpoint info on second run at shrfunc2)
(print y from libfile, print y from libfile2): New tests.
* gdb.base/unloadshr.c (shrfunc1): Change the returned value.
* gdb.base/unloadshr2.c: New.
* record.c (record_message): Change argument.
(record_message_wrapper): New function.
(do_record_message): Change it name to
"record_message_wrapper_safe".
Let it call "record_message_wrapper".
(record_resume_error): Deleted.
(record_resume): Call "record_message".
(record_wait): Deleted record_resume_error.
Call "record_message_wrapper_safe".
Set status when do_record_message need stop the inferior.
2009-12-22 Hui Zhu <teawater@gmail.com>
* gdb.reverse/sigall-reverse.exp: Adjust.
* linux-nat.c (kill_lwp): Minor cleanup, move definition of
tkill_failed into ifdef HAVE_TKILL_SYSCALL. Move setting of errno
there too. Delete unnecessary resetting of errno after syscall.
Minor comment changes to match gdbserver/linux-low.c:kill_lwp.
gdbserver/
* linux-low.c (kill_lwp): Use __NR_tkill instead of SYS_tkill.
Move definition of tkill_failed to ifdef __NR_tkill to avoid gcc
warning ifndef __NR_tkill. Move setting of errno there too.
Delete unnecessary resetting of errno after syscall.
Minor comment changes to match gdb/linux-nat.c:kill_lwp.
