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This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
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This changes skip_hw_watchpoint_tests to invert the sense, and renames
it to allow_hw_watchpoint_tests.
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This changes some tests to use "require support_displaced_stepping".
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This changes some tests to use "require !skip_hw_watchpoint_tests".
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This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
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The hardware watchpoint check has been updated in a couple of recent
patches. This patch updates the hardware watchpoint test in the remaining
gdb tests.
The issue is the PowerPC processors support hardware watchpoints with the
exception of Power 9. The hardware watchpoint support is disabled on
Power 9. The test skip_hw_watchpoint_tests must be used to correctly
determine if the PowerPC processor supports hardware watchpoints.
This patch fixes 6 test failures in test gdb.threads/watchpoint-fork.exp.
Test gdb.base/watch-vfork.exp runs with can-use-hw-watchpoints set to
true and false. When the test is run with can-use-hw-watchpoints set to
true, gdb just falls back to using software watchpoints. The
patch reduces the number of expected passes by 2 since because it now
only runs once with can-use-hw-watchpoints set to false.
Test gdb.mi/mi-watch.exp runs the test with argument hw and sw. If the
argument is hw and hardware watchpoints are not supported the test exits.
The number of expected passes is cut in half with the patch as it now only
runs the test using software breakpoints. Previously the pass to use
hardware watchpoints was not skipped and the test actually ran using
software watchpoints.
The following tests run the same with and without the patch. The tests
are supposed to execute the gdb command "set can-use-hw-watchpoints 0" if
the processor does not support hardware bwatchpoints. However the command
was not being executed and gdb was falling back to using software
watchpoints since the Power 9 watchpoint resource check fails. With the
patch, the tests now execute the command and the test runs using software
watchpoints as it did previously. The tests are:
gdb.base/commands.exp
gdb.base/cond-eval-mode.exp
gdb.base/display.exp
gdb.base/gdb11531.exp
gdb.base/recurse.exp
gdb.base/value-double-free.exp
gdb.base/watch-bitfields.exp
gdb.base/watch-cond-infcall.exp
gdb.base/watch-cond.exp
gdb.base/watchpoint-solib.exp
gdb.base/watchpoints.exp
The following two tests are not supported on the Power 9 system used to
test the changes. The patch does not change the tests results for these
tests:
gdb.python/py-breakpoint.exp
gdb.mi/mi-watch-nonstop.exp
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Many test cases had a few lines in the beginning that look like:
if { condition } {
continue
}
Where conditions varied, but were mostly in the form of ![runto_main] or
[skip_*_tests], making it quite clear that this code block was supposed
to finish the test if it entered the code block. This generates TCL
errors, as most of these tests are not inside loops. All cases on which
this was an obvious mistake are changed in this patch.
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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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When running
make check TESTS="gdb.mi/mi-nonstop-exit.exp" RUNTESTFLAGS="--target_board=native-extended-gdbserver"
We get:
220^error,msg="Unexpected vCont reply in non-stop mode: T05swbreak:;06:60d5ffffff7f0000;07:d0d2ffffff7f0000;10:5b57fdf7ff7f0000;thread:p2a4eed.2a4eed;core :4;"^M
(gdb) ^M
UNRESOLVED: gdb.mi/mi-nonstop-exit.exp: first run: unable to start target
This is because non-stop is enabled using "-gdb-set non-stop 1". This
doesn't work with the native-extended-gdbserver board, because with that
board GDB connects to GDBserver as soon as it's started. Non-stop needs
to be enabled before connecting.
The usual pattern to follow is to set non-stop on the command line, like
gdb.mi/mi-nonstop.exp does. Change the non-stop MI tests to use that
pattern.
The results diff when running gdb.mi/*.exp is:
-# of expected passes 2877
+# of expected passes 2938
# of unexpected failures 34
# of expected failures 8
# of known failures 13
# of unresolved testcases 4
# of unsupported tests 1
-# of duplicate test names 34
+# of duplicate test names 35
gdb/testsuite/ChangeLog:
* gdb.mi/mi-nonstop-exit.exp: Enable non-stop through GDBFLAGS.
* gdb.mi/mi-ns-stale-regcache.exp: Likewise.
* gdb.mi/mi-nsintrall.exp: Likewise.
* gdb.mi/mi-nsmoribund.exp: Likewise.
* gdb.mi/mi-nsthrexec.exp: Likewise.
* gdb.mi/mi-watch-nonstop.exp: Likewise.
Change-Id: Ic2736bedea8d448eee8c2b534d26b2427f6b4d27
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Since we now have mi_runto_main which is like runto_main, eliminate
mi_run_to_main, in favor of a new MI clean_restart counterpart --
mi_clean_restart -- and mi_runto_main.
This makes MI testcases look a bit more like CLI testcases.
gdb/testsuite/ChangeLog:
* lib/mi-support.exp (mi_clean_restart): New.
(mi_run_to_main): Delete.
All callers adjust to use mi_clean_restart / mi_runto_main.
Change-Id: I34920bab4fea1f23fb752928c2969c1f6ad714b6
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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gdb/ChangeLog:
Update copyright year range in all GDB files
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This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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This finally makes background execution commands possible by default.
However, in order to do that, there's one last thing we need to do --
we need to separate the MI and target notions of "async". Unlike the
CLI, where the user explicitly requests foreground vs background
execution in the execution command itself (c vs c&), MI chose to treat
"set target-async" specially -- setting it changes the default
behavior of execution commands.
So, we can't simply "set target-async" default to on, as that would
affect MI frontends. Instead we have to make the setting MI-specific,
and teach MI about sync commands on top of an async target.
Because the "target" word in "set target-async" ends up as a potential
source of confusion, the patch adds a "set mi-async" option, and makes
"set target-async" a deprecated alias.
Rather than make the targets always async, this patch introduces a new
"maint set target-async" option so that the GDB developer can control
whether the target is async. This makes it simpler to debug issues
arising only in the synchronous mode; important because sync mode
seems unlikely to go away.
Unlike in previous revisions, "set target-async" does not affect this
new maint parameter. The rationale for this is that then one can
easily run the test suite in the "maint set target-async off" mode and
have tests that enable mi-async fail just like they fail on
non-async-capable targets. This emulation is exactly the point of the
maint option.
I had asked Tom in a previous iteration to split the actual change of
the target async default to a separate patch, but it turns out that
that is quite awkward in this version of the patch, because with MI
async and target async decoupled (unlike in previous versions), if we
don't flip the default at the same time, then just "set target-async
on" alone never actually manages to do anything. It's best to not
have that transitory state in the tree.
Given "set target-async on" now only has effect for MI, the patch goes
through the testsuite removing it from non-MI tests. MI tests are
adjusted to use the new and less confusing "mi-async" spelling.
2014-05-29 Pedro Alves <palves@redhat.com>
Tom Tromey <tromey@redhat.com>
* NEWS: Mention "maint set target-async", "set mi-async", and that
background execution commands are now always available.
* target.h (target_async_permitted): Update comment.
* target.c (target_async_permitted, target_async_permitted_1):
Default to 1.
(set_target_async_command): Rename to ...
(maint_set_target_async_command): ... this.
(show_target_async_command): Rename to ...
(maint_show_target_async_command): ... this.
(_initialize_target): Adjust.
* infcmd.c (prepare_execution_command): Make extern.
* inferior.h (prepare_execution_command): Declare.
* infrun.c (set_observer_mode): Leave target async alone.
* mi/mi-interp.c (mi_interpreter_init): Install
mi_on_sync_execution_done as sync_execution_done observer.
(mi_on_sync_execution_done): New function.
(mi_execute_command_input_handler): Don't print the prompt if we
just started a synchronous command with an async target.
(mi_on_resume): Check sync_execution before printing prompt.
* mi/mi-main.h (mi_async_p): Declare.
* mi/mi-main.c: Include gdbcmd.h.
(mi_async_p): New function.
(mi_async, mi_async_1): New globals.
(set_mi_async_command, show_mi_async_command, mi_async): New
functions.
(exec_continue): Call prepare_execution_command.
(run_one_inferior, mi_cmd_exec_run, mi_cmd_list_target_features)
(mi_execute_async_cli_command): Use mi_async_p.
(_initialize_mi_main): Install "set mi-async". Make
"target-async" a deprecated alias.
2014-05-29 Pedro Alves <palves@redhat.com>
Tom Tromey <tromey@redhat.com>
* gdb.texinfo (Non-Stop Mode): Remove "set target-async 1"
from example.
(Asynchronous and non-stop modes): Document '-gdb-set mi-async'.
Mention that target-async is now deprecated.
(Maintenance Commands): Document maint set/show target-async.
2014-05-29 Pedro Alves <palves@redhat.com>
Tom Tromey <tromey@redhat.com>
* gdb.base/async-shell.exp: Don't enable target-async.
* gdb.base/async.exp
* gdb.base/corefile.exp (corefile_test_attach): Remove 'async'
parameter. Adjust.
(top level): Don't test with "target-async".
* gdb.base/dprintf-non-stop.exp: Don't enable target-async.
* gdb.base/gdb-sigterm.exp: Don't test with "target-async".
* gdb.base/inferior-died.exp: Don't enable target-async.
* gdb.base/interrupt-noterm.exp: Likewise.
* gdb.mi/mi-async.exp: Use "mi-async" instead of "target-async".
* gdb.mi/mi-nonstop-exit.exp: Likewise.
* gdb.mi/mi-nonstop.exp: Likewise.
* gdb.mi/mi-ns-stale-regcache.exp: Likewise.
* gdb.mi/mi-nsintrall.exp: Likewise.
* gdb.mi/mi-nsmoribund.exp: Likewise.
* gdb.mi/mi-nsthrexec.exp: Likewise.
* gdb.mi/mi-watch-nonstop.exp: Likewise.
* gdb.multi/watchpoint-multi.exp: Adjust comment.
* gdb.python/py-evsignal.exp: Don't enable target-async.
* gdb.python/py-evthreads.exp: Likewise.
* gdb.python/py-prompt.exp: Likewise.
* gdb.reverse/break-precsave.exp: Don't test with "target-async".
* gdb.server/solib-list.exp: Don't enable target-async.
* gdb.threads/thread-specific-bp.exp: Likewise.
* lib/mi-support.exp: Adjust to use mi-async.
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Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
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standard_output_file.
* gdb.mi/gdb2549.exp: Use standard_testfile.
* gdb.mi/gdb669.exp: Use standard_testfile.
* gdb.mi/gdb701.exp: Use standard_testfile.
* gdb.mi/gdb792.exp: Use standard_testfile.
* gdb.mi/mi-async.exp: Use standard_testfile.
* gdb.mi/mi-basics.exp: Use standard_testfile.
* gdb.mi/mi-break.exp: Use standard_testfile.
* gdb.mi/mi-cli.exp: Use standard_testfile.
* gdb.mi/mi-console.exp: Use standard_testfile.
* gdb.mi/mi-disassemble.exp: Use standard_testfile.
* gdb.mi/mi-eval.exp: Use standard_testfile.
* gdb.mi/mi-file-transfer.exp: Use standard_testfile.
* gdb.mi/mi-file.exp: Use standard_testfile.
* gdb.mi/mi-inheritance-syntax-error.exp: Use standard_testfile.
* gdb.mi/mi-logging.exp: Use standard_testfile.
* gdb.mi/mi-nonstop-exit.exp: Use standard_testfile.
* gdb.mi/mi-nonstop.exp: Use standard_testfile.
* gdb.mi/mi-ns-stale-regcache.exp: Use standard_testfile.
* gdb.mi/mi-nsintrall.exp: Use standard_testfile.
* gdb.mi/mi-nsmoribund.exp: Use standard_testfile.
* gdb.mi/mi-nsthrexec.exp: Use standard_testfile.
* gdb.mi/mi-pending.exp: Use standard_testfile,
standard_output_file.
* gdb.mi/mi-pthreads.exp: Use standard_testfile.
* gdb.mi/mi-read-memory.exp: Use standard_testfile.
* gdb.mi/mi-regs.exp: Use standard_testfile.
* gdb.mi/mi-return.exp: Use standard_testfile.
* gdb.mi/mi-reverse.exp: Use standard_testfile.
* gdb.mi/mi-simplerun.exp: Use standard_testfile.
* gdb.mi/mi-solib.exp: Use standard_testfile,
standard_output_file.
* gdb.mi/mi-stack.exp: Use standard_testfile.
* gdb.mi/mi-stepi.exp: Use standard_testfile.
* gdb.mi/mi-stepn.exp: Use standard_testfile.
* gdb.mi/mi-syn-frame.exp: Use standard_testfile.
* gdb.mi/mi-until.exp: Use standard_testfile.
* gdb.mi/mi-var-block.exp: Use standard_testfile.
* gdb.mi/mi-var-child-f.exp: Use standard_testfile.
* gdb.mi/mi-var-child.exp: Use standard_testfile.
* gdb.mi/mi-var-cmd.exp: Use standard_testfile.
* gdb.mi/mi-var-cp.exp: Use standard_testfile.
* gdb.mi/mi-var-display.exp: Use standard_testfile.
* gdb.mi/mi-var-invalidate.exp: Use standard_testfile,
standard_output_file.
* gdb.mi/mi-var-rtti.exp: Use standard_testfile.
* gdb.mi/mi-watch-nonstop.exp: Use standard_testfile.
* gdb.mi/mi-watch.exp: Use standard_testfile.
* gdb.mi/mi2-amd64-entry-value.exp: Use standard_testfile.
* gdb.mi/mi2-basics.exp: Use standard_testfile.
* gdb.mi/mi2-break.exp: Use standard_testfile.
* gdb.mi/mi2-cli.exp: Use standard_testfile.
* gdb.mi/mi2-console.exp: Use standard_testfile.
* gdb.mi/mi2-disassemble.exp: Use standard_testfile.
* gdb.mi/mi2-eval.exp: Use standard_testfile.
* gdb.mi/mi2-file.exp: Use standard_testfile.
* gdb.mi/mi2-pthreads.exp: Use standard_testfile.
* gdb.mi/mi2-read-memory.exp: Use standard_testfile.
* gdb.mi/mi2-regs.exp: Use standard_testfile.
* gdb.mi/mi2-return.exp: Use standard_testfile.
* gdb.mi/mi2-simplerun.exp: Use standard_testfile.
* gdb.mi/mi2-stack.exp: Use standard_testfile.
* gdb.mi/mi2-stepi.exp: Use standard_testfile.
* gdb.mi/mi2-syn-frame.exp: Use standard_testfile.
* gdb.mi/mi2-until.exp: Use standard_testfile.
* gdb.mi/mi2-var-block.exp: Use standard_testfile.
* gdb.mi/mi2-var-child.exp: Use standard_testfile.
* gdb.mi/mi2-var-cmd.exp: Use standard_testfile.
* gdb.mi/mi2-var-display.exp: Use standard_testfile.
* gdb.mi/mi2-watch.exp: Use standard_testfile.
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gdb/ChangeLog:
Copyright year update in most files of the GDB Project.
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2011-12-14 Pedro Alves <pedro@codesourcery.com>
PR threads/10729
* linux-nat.c (linux_nat_new_thread): Change parameter to an lwp
pointer.
(linux_nat_prepare_to_resume): New global.
(lwp_free): New.
(purge_lwp_list): Use it.
(add_lwp): Call linux_nat_new_thread even on the first LWP.
Adjust to interface change.
(delete_lwp): Call lwp_free instead of xfree.
(detach_callback, linux_nat_detach, resume_lwp, linux_nat_resume)
(linux_handle_syscall_trap, linux_handle_extended_wait)
(linux_nat_filter_event, resume_stopped_resumed_lwps): Call
linux_nat_prepare_to_resume before resuming.
(linux_stop_lwp): New.
(linux_nat_set_new_thread): Adjust.
(linux_nat_set_prepare_to_resume): New.
* linux-nat.h (struct arch_lwp_info): Forward declare.
(struct lwp_info) <arch_private>: New field.
(linux_stop_lwp): Declare.
(linux_nat_set_new_thread): Adjust.
(linux_nat_set_prepare_to_resume): New.
* i386-nat.c (DR_NADDR, DR_STATUS, DR_CONTROL)
(struct i386_debug_reg_state): Move to i386-nat.h.
(dr_mirror): Comment.
(i386_debug_reg_state): New.
(i386_update_inferior_debug_regs): Simplify.
(i386_stopped_data_address): Use the debug register state from the
inferior, not from the local cache.
* i386-nat.h (struct i386_dr_low_type): Delete reset_addr and
unset_status fields. New get_addr and get_control fields.
(DR_FIRSTADDR, DR_LASTADDR, DR_CONTROL): Moved from i386-nat.c.
(DR_NADDR, DR_STATUS): New.
(struct i386_debug_reg_state): Moved from i386-nat.c.
* amd64-linux-nat.c (struct arch_lwp_info): New.
(amd64_linux_dr): Delete global.
(amd64_linux_dr_get_addr): New.
(amd64_linux_dr_get_control): New.
(amd64_linux_dr_unset_status): Delete.
(amd64_linux_dr_set_addr): Reimplement.
(amd64_linux_dr_reset_addr): Delete.
(update_debug_registers_callback): New.
(amd64_linux_dr_set_control): Reimplement.
(amd64_linux_dr_set_addr): Reimplement.
(amd64_linux_prepare_to_resume): New.
(amd64_linux_new_thread): Change parameter to an lwp pointer.
Reimplement.
(_initialize_amd64_linux_nat): No longer install
i386_dr_low.reset_addr and i386_dr_low.unset_status. Install
amd64_linux_dr_get_control as i386_dr_low.get_control. Install
amd64_linux_dr_get_addr as i386_dr_low.get_addr. Install
amd64_linux_prepare_to_resume.
* i386-linux-nat.c (DR_FIRSTADDR, DR_LASTADDR, DR_STATUS)
(DR_CONTROL): Delete.
(struct arch_lwp_info): New.
(i386_linux_dr): Delete global.
(i386_linux_dr_set_control): Reimplement.
(i386_linux_dr_get_addr): New.
(i386_linux_dr_set_addr): Reimplement.
(i386_linux_dr_get_control): New.
(update_debug_registers_callback): New.
(i386_linux_dr_unset_status): Delete.
(i386_linux_dr_set_addr): Reimplement.
(i386_linux_prepare_to_resume): New.
(i386_linux_new_thread): Change parameter to an lwp pointer.
Reimplement.
(_initialize_i386_linux_nat): No longer install
i386_dr_low.reset_addr and i386_dr_low.unset_status. Install
i386_linux_dr_get_control as i386_dr_low.get_control. Install
i386_linux_dr_get_addr as i386_dr_low.get_addr. Install
i386_linux_prepare_to_resume.
* arm-linux-nat.c (arm_linux_new_thread): Change parameter to an
lwp pointer. Adjust.
* ia64-linux-nat.c (ia64_linux_new_thread): Likewise.
* mips-linux-nat.c (mips_linux_new_thread): Likewise.
* ppc-linux-nat.c (ppc_linux_new_thread): Likewise.
* s390-nat.c (s390_fix_watch_points): Likewise.
* i386-darwin-nat.c (DR_FIRSTADDR, DR_LASTADDR, DR_STATUS)
(DR_CONTROL): Delete.
(i386_darwin_dr_reset_addr): Delete.
(i386_darwin_dr_get_addr): New.
(i386_darwin_dr_get_control): New.
* go32-nat.c
(go32_get_dr7, go32_get_dr): New.
(init_go32_ops): No longer install i386_dr_low.reset_addr.
Install go32_get_dr7 as i386_dr_low.get_control. Install
go32_get_dr as i386_dr_low.get_addr.
* i386bsd-nat.c (i386bsd_dr_get): New.
(i386bsd_dr_reset_addr): Delete.
(i386bsd_dr_get_addr): New.
(i386bsd_dr_get_status): Use i386bsd_dr_get.
(i386bsd_dr_get_control): New.
* i386bsd-nat.h (i386bsd_dr_reset_addr): Delete.
(i386bsd_dr_get_addr): New.
(i386bsd_dr_get_control): New.
* i386fbsd-nat.c (_initialize_i386fbsd_nat): No longer install
i386_dr_low.reset_addr and i386_dr_low.unset_status. Install
i386bsd_dr_get_control as i386_dr_low.get_control. Install
i386bsd_dr_get_addr as i386_dr_low.get_addr.
* windows-nat.c (init_windows_ops): No longer install
i386_dr_low.reset_addr and i386_dr_low.unset_status. Install
cygwin_get_dr7 as i386_dr_low.get_control. Install cygwin_get_dr
as i386_dr_low.get_addr.
(cygwin_get_dr): New.
(cygwin_get_dr7): New.
gdb/testsuite/
2011-12-14 Pedro Alves <pedro@codesourcery.com>
PR threads/10729
* gdb.mi/watch-nonstop.c: New file.
* gdb.mi/mi-watch-nonstop.exp: New file.
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