2010-08-17 Pedro Alves <pedro@codesourcery.com>
PR breakpoints/11371
* breakpoint.c (breakpoint_init_inferior): Decrement the
location's reference count instead of deleting right away.
(bpstat_free): Decrement the location's reference count. Make
static.
(bpstat_copy): Increment the location's reference count.
(bpstat_find_breakpoint): Adjust.
(bpstat_num): Adjust.
(print_it_typical): Adjust. Use the breakpoint pointer in the
bpstat instead of the location's owner.
(bpstat_alloc): Remove const qualifier from the 'bl' parameter.
Adjust to record the location's owner in the bpstat.
(watchpoint_check): Use the breakpoint pointer in the bpstat
instead of the location's owner.
(bpstat_check_breakpoint_conditions): Don't handle
bp_watchpoint_scope here. Use the breakpoint pointer in the
bpstat instead of the location's owner.
(bpstat_stop_status): Defer inferior function calls to after
building the bpstat list. Handle bp_watchpoint_scope here. Use
the breakpoint pointer in the bpstat instead of the location's
owner.
(bpstat_what): Use the breakpoint pointer in the bpstat instead of
the location's owner.
(free_bp_location): Don't walk bpstats clearing locations.
(incref_bp_location): New.
(decref_bp_location): New.
(breakpoint_auto_delete): Use the breakpoint pointer in the bpstat
instead of the location's owner.
(update_global_location_list): Clear the location's owner, and
decrement the location's reference count instead of deleting it
right away.
(breakpoint_retire_moribund): Decrement the location's reference
count instead of deleting it right away.
(bpstat_remove_bp_location): Delete.
(bpstat_remove_breakpoint): New.
(bpstat_remove_bp_location_callback): Delete.
(bpstat_remove_breakpoint_callback): New.
(delete_breakpoint): Iterate over all threads' stop_bpstat's
clearing references to the breakpoint that is being deleted.
* breakpoint.h (struct bp_location) <refc>: New field.
<owner>: Update comments.
(bpstat_free): Delete declaration.
(struct bpstats): Change the type of the breakpoint_at field to
struct breakpoint point, from struct bp_location pointer. Add new
field bp_location_at.
gdb/testsuite/
2010-08-17 Jan Kratochvil <jan.kratochvil@redhat.com>
Pedro Alves <pedro@codesourcery.com>
PR breakpoints/11371
* gdb.base/watch-cond-infcall.exp: New file.
* gdb.base/watch-cond-infcall.c: New file.
* symfile.c (addr_section_name): New function.
(addrs_section_compar): Use it.
(addr_info_make_relative): Use it. Move variable sect_name into a more
inner block. Make ".dynbss" and ".sdynbss" checks more strict.
gdb/testsuite/
* gdb.base/prelink-lib.c (copyreloc): New initialized variable.
* gdb.base/prelink.c (copyreloc, bssvar, bssvarp): New variables.
(main): Use copyreloc.
* gdb.base/prelink.exp (split debug of executable)
(.dynbss vs. .bss address shift): New tests.
(test): Use it.
(test2): Use it.
* gdb.python/py-inferior.c (int8_search_buf, int16_search_buf)
(int32_search_buf, int64_search_buf): No longer static.
(x): Remove.
* gdb.base/relocate.c (hack): New function.
* symfile.c (find_separate_debug_file_by_debuglink): Remove
a gdb_assert call, new comment.
gdb/testsuite/
* gdb.base/solib-nodir.exp: New file.
* lib/gdb.exp (runto): New case for a GDB internal error.
* gdb.base/charset-malloc.c: New file.
* gdb.base/charset.c (malloc_stub): New prototype.
(main): Call it instead of malloc itself.
* gdb.base/charset.exp: Use only prepare_for_testing.
(binfile): Remove the variable.
Make core files the process_stratum.
* corefile.c (core_target): New variable.
(core_file_command): Remove variable t, use core_target.
* corelow.c (core_ops): Make it static.
(init_core_ops): Change to process_stratum. Initialize CORE_TARGET.
* defs.h (make_cleanup_unpush_target): New prototype.
* gdbarch.h: Regenerate.
* gdbarch.sh (core_pid_to_str): Remove core_stratum from its comment.
* gdbcore.h (core_target): New declaration.
* inf-ptrace.c (inf_ptrace_create_inferior, inf_ptrace_attach): New
variables ops_already_pushed and back_to. Use push_target,
make_cleanup_unpush_target and discard_cleanups calls.
* record.c (record_open): Replace core_stratum by a core_bfd check.
* target.c (target_is_pushed): New function.
(find_core_target): Remove.
* target.h (enum strata) <core_stratum>: Remove.
(target_is_pushed): New declaration.
(find_core_target): Remove declaration.
* tracepoint.c (init_tfile_ops) <to_stratum>: Remove comment.
* utils.c (do_unpush_target, make_cleanup_unpush_target): New functions.
gdb/doc/
Make core files the process_stratum.
* gdb.texinfo (Active Targets): Remove core_stratum. Include
record_stratum example.
gdb/testsuite/
Make core files the process_stratum.
* gdb.base/corefile.exp (run: load core again)
(run: sanity check we see the core file, run: with core)
(run: core file is cleared, attach: load core again)
(attach: sanity check we see the core file, attach: with core)
(attach: core file is cleared): New tests.
* gdb.base/coremaker.c (main): New parameters. Implement "sleep" argv.
Fix re-run of PIE executable, PR shlibs/11776.
* solib-svr4.c (svr4_relocate_main_executable) <symfile_objfile>: Remove
the part of pre-set SYMFILE_OBJFILE->SECTION_OFFSETS.
gdb/testsuite/
Fix re-run of PIE executable, PR shlibs/11776.
* gdb.base/break-interp.exp (test_ld): Turn off "disable-randomization".
Remove $displacement_main to match the solib-svr4.c change. New "kill"
and re-"run" of the inferior.
* gdb.base/attach-pie-misread.exp: Load prelink-support.exp. Replace
build_executable by build_executable_own_libs. Replace "prelink -R"
execution by a call of prelink_yes. Comment why "prelink -r" needs no
change.
* gdb.base/break-interp.exp: Load prelink-support.exp. Rename calls of
copy to file_copy. Move setting opts --dynamic-linker and -rpath,
mkdir $dir and ldd its parsing and copying to lib/prelink-support.exp.
Replace build_executable by build_executable_own_libs's function
build_executable_own_libs.
(prelinkNO): Create new stub to call prelink_no.
(prelinkYES): Create new stub to call prelink_yes.
(test_attach): Rename calls of copy to file_copy.
(section_get, prelinkNO_run, prelinkNO, prelinkYES, symlink_resolve)
(copy): Move to ...
* lib/prelink-support.exp: ... a new file. Rename prelinkNO to
prelink_no, prelinkYES to prelink_yes, copy to file_copy.
* gdb.base/prelink.exp: Disable testcase also for is_remote and
skip_shlib_tests. Load prelink-support.exp. Replace gdb_compile with
special flags by gdb_compile_shlib. Replace second gdb_compile by
build_executable_own_libs. Replace "prelink -R" execution by a call of
prelink_yes. Replace "prelink -u" and second "prelink -R" execution by
a second call of prelink_yes. Replace restart commands by
clean_restart.
(prelink): Rename to ...
(seen displacement message): ... this test. Extend its expectation
strictness.
Fix attaching to PIEs prelinked on the disk after the process was
started.
* solib-svr4.c (svr4_exec_displacement): New variable arch_size.
Verify it against bfd_get_arch_size. Try to match arbitrary
displacement for the phdrs comparison.
gdb/testsuite/
* gdb.base/break-interp.exp: Run $binpie with new value "ATTACH", new
code for it. New variable relink_args.
(prelinkYES): Call prelinkNO.
(test_attach): Accept new parameter relink_args. Re-prelink the binary
in such case. Move the core code to ...
(test_attach_gdb): ... a new function. Send GDB command "file".
Extend expected "Attaching to " string.
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.
Add per-operation permission flags.
* target.h (struct target_ops): New method to_set_permissions.
(target_set_permissions): New macro.
(target_insert_breakpoint): Change macro to function.
(target_remove_breakpoint): Ditto.
(target_stop): Ditto.
(may_write_registers): Declare.
(may_write_memory): Declare.
(may_insert_breakpoints): Declare.
(may_insert_tracepoints): Declare.
(may_insert_fast_tracepoints): Declare.
(may_stop): Declare.
* target.c (may_write_registers, may_write_registers_1): New globals.
(may_write_memory, may_write_memory_1): New globals.
(may_insert_breakpoints, may_insert_breakpoints_1): New globals.
(may_insert_tracepoints, may_insert_tracepoints_1): New globals.
(may_insert_fast_tracepoints, may_insert_fast_tracepoints_1): New
globals.
(may_stop, may_stop_1): New global.
(target_xfer_partial): Test for write permission.
(target_store_registers): Ditto.
(target_insert_breakpoint): New function.
(target_remove_breakpoint): New function.
(target_stop): New function.
(_initialize_targets): Add new set/show variables.
(set_write_memory_permission): New function.
(update_target_permissions): New function.
(set_target_permissions): New function.
(update_current_target): Default to_set_permissions.
(_initialize_targets): Use new globals and setter function.
* tracepoint.c (start_tracing): Test for permission.
* inferior.h (update_observer_mode): Declare.
* infrun.c (non_stop_1): Define earlier.
(observer_mode, observer_mode_1): New globals.
(set_observer_mode, show_observer_mode): New functions.
(update_observer_mode): New function.
(_initialize_infrun): Define "set observer" command.
* remote.c (PACKET_QAllow): New optional packet.
(remote_protocol_features): Add QAllow.
(remote_set_permissions): New function.
(remote_start_remote): Call it.
(init_remote_ops): Add it to target vector.
(_initialize_remote): Add config command for QAllow.
* gdb.texinfo (Observer Mode): New section.
(General Query Packets): Document QAllow.
* gdb.base/permissions.exp: New file.
* 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.
This is something that Michael spotted and reported to me. Definitely
a mistake, causing the test to report no status...
gdb/testsuite:
2010-05-31 Joel Brobecker <brobecker@adacore.com>
* gdb.base/subst.exp: Fix call to gdb_test with empty message.
Tested on x86_64-linux. The test now reports 30 PASSes instead of 29.
