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I noticed a weird-looking bit of code in gdb.btrace/enable.exp that is
left over from an earlier change. This patch moves the "!" inside the
braces, where it belongs.
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This changes skip_tsx_tests to invert the sense, and renames it to
allow_tsx_tests.
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This changes skip_shlib_tests to invert the sense, and renames it to
allow_shlib_tests.
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This changes skip_gdbserver_tests to invert the sense, and renames it
to allow_gdbserver_tests.
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This changes skip_btrace_tests to invert the sense, and renames it to
allow_btrace_tests.
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This changes skip_btrace_pt_tests to invert the sense, and renames it
to allow_btrace_pt_tests.
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This changes some tests to use "require !skip_gdbserver_tests".
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This changes some tests to use "require !use_gdb_stub".
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This changes some tests to use "require !skip_btrace_tests".
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This changes some tests to use "require !skip_btrace_pt_tests" and
"require !skip_tsx_tests".
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This changes some tests to use "require !skip_shlib_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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When running the test with the latest Intel compiler:
Running gdb/gdb/testsuite/gdb.btrace/rn-dl-bind.exp ...
gdb compile failed, icpx: warning: treating 'c' input as 'c++' when
in C++ mode, this behavior is deprecated [-Wdeprecated]
The test doesn't seem to test something specifically for C++,
so I removed the C++ compilation option. Alternatively we could rename
rn-dl-bind.exp.c to rn-dl-bind.exp.cc.
Signed-off-by: Felix Willgerodt <felix.willgerodt@intel.com>
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On openSUSE Tumbleweed I run into this for the dwarf assembly test-cases, and
some hardcoded assembly test-cases:
...
Running gdb.dwarf2/fission-absolute-dwo.exp ...
gdb compile failed, ld: warning: fission-absolute-dwo.o: \
missing .note.GNU-stack section implies executable stack
ld: NOTE: This behaviour is deprecated and will be removed in a future \
version of the linker
=== gdb Summary ===
# of untested testcases 1
...
Fix the dwarf assembly test-cases by adding the missing .note.GNU-stack in
proc Dwarf::assemble.
Fix the hard-coded test-cases using this command:
...
$ for f in $(find gdb/testsuite/gdb.* -name *.S); do
if ! grep -q note.GNU-stack $f; then
echo -e "\t.section\t.note.GNU-stack,\"\",@progbits" >> $f;
fi;
done
...
Likewise for .s files, and gdb/testsuite/lib/my-syscalls.S.
The idiom for arm seems to be to use %progbits instead, see commit 9a5911c08be
("gdb/testsuite/gdb.dwarf2: Replace @ with % for ARM compatability"), so
hand-edit gdb/testsuite/gdb.arch/arm-disp-step.S to use %progbits instead.
Note that dwarf assembly testcases use %progbits as decided by proc _section.
Tested on x86_64-linux.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=29674
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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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As follow-up to this discussion:
https://sourceware.org/pipermail/gdb-patches/2020-August/171385.html
... make runto_main not pass no-message to runto. This means that if we
fail to run to main, for some reason, we'll emit a FAIL. This is the
behavior we want the majority of (if not all) the time.
Without this, we rely on tests logging a failure if runto_main fails,
otherwise. They do so in a very inconsisteny mannet, sometimes using
"fail", "unsupported" or "untested". The messages also vary widly.
This patch removes all these messages as well.
Also, remove a few "fail" where we call runto (and not runto_main). by
default (without an explicit no-message argument), runto prints a
failure already. In two places, gdb.multi/multi-re-run.exp and
gdb.python/py-pp-registration.exp, remove "message" passed to runto.
This removes a few PASSes that we don't care about (but FAILs will still
be printed if we fail to run to where we want to). This aligns their
behavior with the rest of the testsuite.
Change-Id: Ib763c98c5f4fb6898886b635210d7c34bd4b9023
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When running test-case gdb.threads/continue-pending-status.exp with native, I
have:
...
(gdb) continue^M
Continuing.^M
PASS: gdb.threads/continue-pending-status.exp: attempt 0: continue for ctrl-c
^C^M
Thread 1 "continue-pendin" received signal SIGINT, Interrupt.^M
[Switching to Thread 0x7ffff7fc4740 (LWP 1276)]^M
0x00007ffff758e4c0 in __GI___nanosleep () at nanosleep.c:27^M
27 return SYSCALL_CANCEL (nanosleep, requested_time, remaining);^M
(gdb) PASS: gdb.threads/continue-pending-status.exp: attempt 0: caught interrupt
...
but with target board unix/-m32, I run into:
...
(gdb) continue^M
Continuing.^M
PASS: gdb.threads/continue-pending-status.exp: attempt 0: continue for ctrl-c
[Thread 0xf74aeb40 (LWP 31957) exited]^M
[Thread 0xf7cafb40 (LWP 31956) exited]^M
[Inferior 1 (process 31952) exited normally]^M
(gdb) Quit^M
...
The problem is that the sleep (300) call at the end of main is interrupted,
which causes the inferior to exit before the ctrl-c can be send.
This problem is described at "Interrupted System Calls" in the docs, and the
suggested solution (using a sleep loop) indeed fixes the problem.
Fix this instead using the more prevalent:
...
alarm (300);
...
while (1) sleep (1);
...
which is roughly equivalent because the sleep is called at the end of main,
but slightly better because it guards against hangs from the start rather than
from the end of main.
Likewise in gdb.base/watch_thread_num.exp.
Likewise in gdb.btrace/enable-running.exp, but use the sleep loop there,
because the sleep is not called at the end of main.
Tested on x86_64-linux.
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Recently I started to see this fail with trunk:
...
(gdb) record instruction-history^M
1 0x00000000004004ab <main+4>: call 0x4004b7 <test>^M
2 0x00000000004004c6 <test+15>: mov $0x1,%eax^M
3 0x00000000004004cb <test+20>: ret ^M
(gdb) FAIL: gdb.btrace/tsx.exp: speculation indication
...
This is due to an intel microcode update (1) that disables Intel TSX by default.
Fix this by updating the pattern.
Tested on x86_64-linux, with both gcc 7.5.0 and clang 12.0.1.
[1] https://www.intel.com/content/www/us/en/support/articles/000059422/processors.html
gdb/testsuite/ChangeLog:
2021-07-12 Tom de Vries <tdevries@suse.de>
PR testsuite/28057
* gdb.btrace/tsx.exp: Add pattern for system with tsx disabled in
microcode.
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In gdb.btrace/reconnect.exp, we test that we can disconnect and reconnect
again to a GDB session that is recording with the btrace recording format.
It does not really matter what we are recording.
The test assumed that stepping from _start will bring us into an area
without debug information. This is not correct on all systems.
Relax the expected output to also support systems where we do have debug
information for that code.
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In gdb.btrace/rn-dl-bind.exp we test that we can reverse-step over
recorded dynamic linking. The test covers specific behaviour to support
_dl_runtime_resolve calling the resolved function by returning to it.
This would normally mess up stepping as we'd end up with backtraces that
contain the same functions but different frame ids.
Since GDB needs to recognize a return from _dl_runtime_resolve, the test
only passes when debug information for _dl_runtime_resolve is available.
The test requires that symbols are bound lazily. Otherwise, we won't
record dynamic linking and the test will be fairly pointless.
Recent GCC pass -z now by default to bind symbols eagerly. Add -z lazy to
the test's ldflags to enforce lazy binding.
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In gdb.btrace/non-stop.exp, we hard-code expected source lines assuming we
know how they would match to the recorded trace. Despite the fact that we
should really have been using an assembly source, the assumptions work
pretty well.
With clang-6 -m32, we found a case where the assumptions do not hold.
Adjust the expected source lines a little bit to cover that case, as well.
Should we run into more cases like this, we will have to switch to an
assembly source file.
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We use pre-compiled assembly including debug information for stepi, yet we
compiled with -g, which was implicitly set by prepare_for_testing.
Add {} options to avoid the implicit {debug}.
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Clang generates slightly different debug information. Adjust the expected
output of gdb.btrace/function_call_history.exp to work with both gcc and
clang.
Also modify gdb.btrace/exception.cc to reliably trace into main and update
the corresponding patterns in gdb.btrace/exception.exp.
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In gdb.btrace/unknown_functions.exp we need the linker to discard local
symbols so GDB wouldn't know about them from the symbol table.
When building with clang, it complains about the option not being used at
compile-time. Move the option to ldflags to only pass it at link-time.
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Clang generates slightly different debug information causing
gdb.btrace/rn-dl-bind.exp to fail on its way to the actual test.
Modify the test to remove that dependency.
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In gdb.btrace/delta.exp, we test that we do not extend the trace
unintentionally. This can be tested by checking the number of
instructions.
If we wanted to check the instruction history, as well, we'd need to work
on an assembly file to have deterministic behaviour. This isn't really
necessary for this test, however, and covered elsewhere. Also remove the
function call history check for the same reason.
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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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For 32-bit position independent executables, GCC generates an extra call to
__x86.get_pc_thunk.<reg>
which appears in the function call history. It is correct to appear there
but this confuses the tests, which check for an expected sequence of
functions.
Build with nopie to avoid this complication.
gdb/testsuite/ChangeLog:
2020-12-04 Markus Metzger <markus.t.metzger@intel.com>
* gdb.btrace/exception.exp: Build with nopie.
* gdb.btrace/function_call_history.exp: Likewise.
* gdb.btrace/unknown_functions.exp: Likewise.
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The gdb.btrace/multi-inferior.exp test creates multiple inferiors to check
that recording is per-inferior.
When run with the native-gdbserver board, this test hangs when trying to
add the second inferior over the remote connection. Skip the test.
Note that the test runs fine with the native-extended-gdbserver board file
and we want to keep testing that configuration.
gdb/testsuite/ChangeLog:
2020-12-11 Markus Metzger <markus.t.metzger@intel.com>
* gdb.btrace/multi-inferior.exp: Skip if use_gdb_stub.
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gdb/testsuite/ChangeLog:
2020-12-04 Markus Metzger <markus.t.metzger@intel.com>
* gdb.btrace/data.exp: Make test names unique.
* gdb.btrace/delta.exp: Likewise.
* gdb.btrace/enable.exp: Likewise.
* gdb.btrace/function_call_history.exp: Likewise.
* gdb.btrace/nohist.exp: Likewise.
* gdb.btrace/non-stop.exp: Likewise.
* gdb.btrace/rn-dl-bind.exp: Likewise.
* gdb.btrace/step.exp: Likewise.
* gdb.btrace/stepi.exp: Likewise.
* gdb.btrace/tailcall.exp: Likewise.
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When trying to use one of the record commands without having enabled
recording first, GDB gives the error message:
(gdb) record function-call-history
No record target is currently active.
Use one of the "target record-<TAB><TAB>" commands first.
In the record help, however, we say:
(gdb) help record
record, rec
Start recording.
List of record subcommands:
record btrace, record b -- Start branch trace recording.
record delete, record del, record d -- Delete the rest of execution log and start recording it anew.
record full -- Start full execution recording.
record function-call-history -- Prints the execution history at function granularity.
record goto -- Restore the program to its state at instruction number N.
record instruction-history -- Print disassembled instructions stored in the execution log.
record save -- Save the execution log to a file.
record stop, record s -- Stop the record/replay target.
Change the above error message to
(gdb) record function-call-history
No recording is currently active.
Use the "record full" or "record btrace" command first.
to align with the help text.
gdb/ChangeLog:
2020-12-03 Markus Metzger <markus.t.metzger@intel.com>
* record.c (require_record_target): Rephrase error message.
(info_record_command): Likewise.
gdb/testsuite/ChangeLog:
2020-12-03 Markus Metzger <markus.t.metzger@intel.com>
* gdb.btrace/enable.exp: Update error message.
* gdb.btrace/multi-inferior.exp: Likewise.
* gdb.btrace/reconnect.exp: Likewise.
* gdb.python/py-record-btrace.exp: Likewise.
* gdb.python/py-record-full.exp: Likewise.
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When running test-case gdb.base/info-shared.exp, I see in gdb.log:
...
Executing on host: \
gcc ... -fPIC -fpic -c -o info-shared-solib1.c.o info-shared-solib1.c
...
The -fPIC comes from the test-case:
...
if { [gdb_compile_shlib $srcfile_lib1 $binfile_lib1 \
[list additional_flags=-fPIC]] != "" } {
...
but the -fpic, which overrides the -fPIC comes from gdb_compile_shlib.
The proc gdb_compile_shlib adds the -fpic or similar dependent on platform
and compiler. However, in some cases it doesn't add anything, which is
probably why all those test-case pass -fPIC.
Fix this by removing -fPIC from all the calls to gdb_compile_shlib, and
ensuring that gdb_compile_shlib takes care of adding it, if required.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-12-14 Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (gdb_compile_shlib): Make sure it's not necessary to
pass -fPIC.
* gdb.ada/catch_ex_std.exp: Don't pass -fPIC to gdb_compile_shlib.
* gdb.base/break-probes.exp: Same.
* gdb.base/ctxobj.exp: Same.
* gdb.base/dso2dso.exp: Same.
* gdb.base/global-var-nested-by-dso.exp: Same.
* gdb.base/info-shared.exp: Same.
* gdb.base/jit-reader-simple.exp: Same.
* gdb.base/print-file-var.exp: Same.
* gdb.base/skip-solib.exp: Same.
* gdb.btrace/dlopen.exp: Same.
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Having paths in test names makes it harder to compare results from
different builds of GDB.
gdb/testsuite/ChangeLog:
* gdb.btrace/multi-inferior.exp: Avoid paths in test names.
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When there is more than one inferior, the "record btrace" command should
only apply to the current inferior.
gdb/ChangeLog:
2020-03-19 Markus Metzger <markus.t.metzger@intel.com>
* record-btrace.c (record_btrace_enable_warn): Ignore thread if
its inferior is not recorded by us.
(record_btrace_target_open): Replace call to all_non_exited_threads ()
with call to current_inferior ()->non_exited_threads ().
(record_btrace_target::stop_recording): Likewise.
(record_btrace_target::close): Likewise.
(record_btrace_target::wait): Likewise.
(record_btrace_target::record_stop_replaying): Likewise.
gdb/testsuite/ChangeLog:
2020-03-19 Markus Metzger <markus.t.metzger@intel.com>
* gdb.btrace/multi-inferior.c: New test.
* gdb.btrace/multi-inferior.exp: New file.
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In the record-btrace target, while replaying, we can only provide the PC
register. The btrace state is stored in the thread_info. So, when trying
to determine whether we are currently replaying, GDB calls
find_thread_ptid() to obtain the thread_info. It also asserts that we do
have a thread_info.
For new threads, libthread-db may fetch registers before the thread is
known to GDB. In this case, find_thread_ptid() returns nullptr and the
assertion fails.
Forward the fetch_registers request to the target beneath in that case.
gdb/ChangeLog:
2020-03-19 Markus Metzger <markus.t.metzger@intel.com>
* record-btrace.c (record_btrace_target::fetch_registers): Forward
request if we do not have a thread_info.
gdb/testsuite/ChangeLog:
2020-03-19 Markus Metzger <markus.t.metzger@intel.com>
* gdb.btrace/enable-new-thread.c: New test.
* gdb.btrace/enable-new-thread.exp: New file.
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Currently there are many prefix commands that do nothing but call
either help_list or cmd_show_list. I happened to notice that one such
call, for "set print type", used the wrong command list parameter,
causing incorrect output.
Rather than fix this bug in isolation, I decided to eliminate this
possibility by adding two new ways to add prefix commands, which
simply route the call to help_list or cmd_show_list, as appropriate.
This makes it impossible for a mismatch to occur.
In some cases, a bit of output was removed; however, I don't think
this output in general was very useful. It seemed redundant with
what's already printed by help_list. A representative example is this
hunk, removed from ada-lang.c:
- printf_unfiltered (_(\
-"\"set ada\" must be followed by the name of a setting.\n"));
This simplified the CLI style set/show commands quite a bit, and
allowed the deletion of a macro.
This also cleans up some unusual code in windows-tdep.c.
Tested on x86-64 Fedora 30. Note that I have no way to build the
go32-nat.c change.
gdb/ChangeLog
2020-04-17 Tom Tromey <tromey@adacore.com>
* auto-load.c (show_auto_load_cmd): Remove.
(auto_load_show_cmdlist_get): Use add_show_prefix_cmd.
* arc-tdep.c (_initialize_arc_tdep): Use add_show_prefix_cmd.
(maintenance_print_arc_command): Remove.
* tui/tui-win.c (tui_command): Remove.
(tui_get_cmd_list): Use add_basic_prefix_cmd.
* tui/tui-layout.c (tui_layout_command): Remove.
(_initialize_tui_layout): Use add_basic_prefix_cmd.
* python/python.c (user_set_python, user_show_python): Remove.
(_initialize_python): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* guile/guile.c (set_guile_command, show_guile_command): Remove.
(install_gdb_commands): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(info_guile_command): Remove.
* dwarf2/read.c (set_dwarf_cmd, show_dwarf_cmd): Remove.
(_initialize_dwarf2_read): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cli/cli-style.h (class cli_style_option) <add_setshow_commands>:
Remove do_set and do_show parameters.
* cli/cli-style.c (set_style, show_style): Remove.
(_initialize_cli_style): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(cli_style_option::add_setshow_commands): Remove do_set and
do_show parameters.
(cli_style_option::add_setshow_commands): Use
add_basic_prefix_cmd, add_show_prefix_cmd.
(STYLE_ADD_SETSHOW_COMMANDS): Remove macro.
(set_style_name): Remove.
* cli/cli-dump.c (dump_command, append_command): Remove.
(srec_dump_command, ihex_dump_command, verilog_dump_command)
(tekhex_dump_command, binary_dump_command)
(binary_append_command): Remove.
(_initialize_cli_dump): Use add_basic_prefix_cmd.
* windows-tdep.c (w32_prefix_command_valid): Remove global.
(init_w32_command_list): Remove; move into ...
(_initialize_windows_tdep): ... here. Use add_basic_prefix_cmd.
* valprint.c (set_print, show_print, set_print_raw)
(show_print_raw): Remove.
(_initialize_valprint): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* typeprint.c (set_print_type, show_print_type): Remove.
(_initialize_typeprint): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* record.c (set_record_command, show_record_command): Remove.
(_initialize_record): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cli/cli-cmds.c (_initialize_cli_cmds): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(info_command, show_command, set_debug, show_debug): Remove.
* top.h (set_history, show_history): Don't declare.
* top.c (set_history, show_history): Remove.
* target-descriptions.c (set_tdesc_cmd, show_tdesc_cmd)
(unset_tdesc_cmd): Remove.
(_initialize_target_descriptions): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* symtab.c (info_module_command): Remove.
(_initialize_symtab): Use add_basic_prefix_cmd.
* symfile.c (overlay_command): Remove.
(_initialize_symfile): Use add_basic_prefix_cmd.
* sparc64-tdep.c (info_adi_command): Remove.
(_initialize_sparc64_adi_tdep): Use add_basic_prefix_cmd.
* sh-tdep.c (show_sh_command, set_sh_command): Remove.
(_initialize_sh_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* serial.c (serial_set_cmd, serial_show_cmd): Remove.
(_initialize_serial): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ser-tcp.c (set_tcp_cmd, show_tcp_cmd): Remove.
(_initialize_ser_tcp): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* rs6000-tdep.c (set_powerpc_command, show_powerpc_command)
(_initialize_rs6000_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* riscv-tdep.c (show_riscv_command, set_riscv_command)
(show_debug_riscv_command, set_debug_riscv_command): Remove.
(_initialize_riscv_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* remote.c (remote_command, set_remote_cmd): Remove.
(_initialize_remote): Use add_basic_prefix_cmd.
* record-full.c (set_record_full_command)
(show_record_full_command): Remove.
(_initialize_record_full): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* record-btrace.c (cmd_set_record_btrace)
(cmd_show_record_btrace, cmd_set_record_btrace_bts)
(cmd_show_record_btrace_bts, cmd_set_record_btrace_pt)
(cmd_show_record_btrace_pt): Remove.
(_initialize_record_btrace): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ravenscar-thread.c (set_ravenscar_command)
(show_ravenscar_command): Remove.
(_initialize_ravenscar): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* mips-tdep.c (show_mips_command, set_mips_command)
(_initialize_mips_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* maint.c (maintenance_command, maintenance_info_command)
(maintenance_check_command, maintenance_print_command)
(maintenance_set_cmd, maintenance_show_cmd): Remove.
(_initialize_maint_cmds): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(show_per_command_cmd): Remove.
* maint-test-settings.c (maintenance_set_test_settings_cmd):
Remove.
(maintenance_show_test_settings_cmd): Remove.
(_initialize_maint_test_settings): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* maint-test-options.c (maintenance_test_options_command):
Remove.
(_initialize_maint_test_options): Use add_basic_prefix_cmd.
* macrocmd.c (macro_command): Remove
(_initialize_macrocmd): Use add_basic_prefix_cmd.
* language.c (set_check, show_check): Remove.
(_initialize_language): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* infcmd.c (unset_command): Remove.
(_initialize_infcmd): Use add_basic_prefix_cmd.
* i386-tdep.c (set_mpx_cmd, show_mpx_cmd): Remove.
(_initialize_i386_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* go32-nat.c (go32_info_dos_command): Remove.
(_initialize_go32_nat): Use add_basic_prefix_cmd.
* cli/cli-decode.c (do_prefix_cmd, add_basic_prefix_cmd)
(do_show_prefix_cmd, add_show_prefix_cmd): New functions.
* frame.c (set_backtrace_cmd, show_backtrace_cmd): Remove.
(_initialize_frame): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* dcache.c (set_dcache_command, show_dcache_command): Remove.
(_initialize_dcache): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cp-support.c (maint_cplus_command): Remove.
(_initialize_cp_support): Use add_basic_prefix_cmd.
* btrace.c (maint_btrace_cmd, maint_btrace_set_cmd)
(maint_btrace_show_cmd, maint_btrace_pt_set_cmd)
(maint_btrace_pt_show_cmd, _initialize_btrace): Use
add_basic_prefix_cmd, add_show_prefix_cmd.
* breakpoint.c (save_command): Remove.
(_initialize_breakpoint): Use add_basic_prefix_cmd.
* arm-tdep.c (set_arm_command, show_arm_command): Remove.
(_initialize_arm_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ada-lang.c (maint_set_ada_cmd, maint_show_ada_cmd)
(set_ada_command, show_ada_command): Remove.
(_initialize_ada_language): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* command.h (add_basic_prefix_cmd, add_show_prefix_cmd): Declare.
gdb/testsuite/ChangeLog
2020-04-17 Tom Tromey <tromey@adacore.com>
* gdb.cp/maint.exp (test_help): Simplify multiple_help_body.
Update tests.
* gdb.btrace/cpu.exp: Update tests.
* gdb.base/maint.exp: Update tests.
* gdb.base/default.exp: Update tests.
* gdb.base/completion.exp: Update tests.
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When running gdb.btrace/reconnect.exp, I run into the follow FAIL:
...
(gdb) stepi 19^M
0x00007ffff7dd8b67 59 return (ElfW(Addr)) &_DYNAMIC - \
elf_machine_dynamic ();^M
(gdb) FAIL: gdb.btrace/reconnect.exp: first: stepi 19
...
The corresponding test looks like:
...
gdb_test "stepi 19" "0x.* in .* from .*"
...
which matches the usual:
...
(gdb) stepi 19^M
0x00007ffff7dd8b67 in _dl_start () from target:/lib64/ld-linux-x86-64.so.2^M
(gdb) PASS: gdb.btrace/reconnect.exp: first: stepi 19
...
which I also get when removing configure flag
--with-separate-debug-dir=/usr/lib/debug.
Fix this by allowing the source line pattern in the test regexp.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-03-11 Tom de Vries <tdevries@suse.de>
* gdb.btrace/reconnect.exp: Allow source line pattern after stepi.
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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There's a pattern:
...
gdb_test <command> <pattern> <command>
...
that can be written shorter as:
...
gdb_test <command> <pattern>
...
Detect this pattern in proc gdb_test:
...
global gdb_prompt
upvar timeout timeout
if [llength $args]>2 then {
set message [lindex $args 2]
+ if { $message == [lindex $args 0] && [llength $args] == 3 } {
+ error "HERE"
+ }
} else {
set message [lindex $args 0]
}
...
and fix all occurrences in some gdb testsuite subdirs.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-10-31 Tom de Vries <tdevries@suse.de>
* gdb.arch/amd64-disp-step-avx.exp: Drop superfluous 3rd argument to
gdb_test.
* gdb.arch/amd64-disp-step.exp: Same.
* gdb.asm/asm-source.exp: Same.
* gdb.btrace/buffer-size.exp: Same.
* gdb.btrace/cpu.exp: Same.
* gdb.btrace/enable.exp: Same.
* gdb.dwarf2/count.exp: Same.
* gdb.dwarf2/dw2-ranges-func.exp: Same.
* gdb.dwarf2/dw2-ranges-psym.exp: Same.
* gdb.fortran/vla-datatypes.exp: Same.
* gdb.fortran/vla-history.exp: Same.
* gdb.fortran/vla-ptype.exp: Same.
* gdb.fortran/vla-value.exp: Same.
* gdb.fortran/whatis_type.exp: Same.
* gdb.guile/guile.exp: Same.
* gdb.multi/tids.exp: Same.
* gdb.python/py-finish-breakpoint.exp: Same.
* gdb.python/py-framefilter.exp: Same.
* gdb.python/py-pp-registration.exp: Same.
* gdb.python/py-xmethods.exp: Same.
* gdb.python/python.exp: Same.
* gdb.server/connect-with-no-symbol-file.exp: Same.
* gdb.server/no-thread-db.exp: Same.
* gdb.server/run-without-local-binary.exp: Same.
* gdb.stabs/weird.exp: Same.
* gdb.threads/attach-many-short-lived-threads.exp: Same.
* gdb.threads/thread-find.exp: Same.
* gdb.threads/tls-shared.exp: Same.
* gdb.threads/tls.exp: Same.
* gdb.threads/wp-replication.exp: Same.
* gdb.trace/ax.exp: Same.
* lib/gdb.exp (gdb_test_exact, help_test_raw): Same.
Change-Id: I2fa544c68f8c0099a77e03ff04ddc010eb2b6c7c
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When running gdb.btrace/reconnect.exp with native-gdbserver, we run into:
...
FAIL: gdb.btrace/reconnect.exp: first: stepi 19
...
due to the fact that we're trying to match:
...
stepi 19^M
0x00007ffff7dd8b57 in _dl_start () from /lib64/ld-linux-x86-64.so.2^M
...
using pattern:
...
gdb_test "stepi 19" "0x.* in .* from target.*"
...
Fix this by changing the pattern to:
...
gdb_test "stepi 19" "0x.* in .* from .*"
...
Tested on x86_64-linux with native and native-gdbserver.
gdb/testsuite/ChangeLog:
2019-04-23 Tom de Vries <tdevries@suse.de>
PR gdb/24433
* gdb.btrace/reconnect.exp: Fix stepi 19 pattern.
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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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Add new set/show commands to set the processor that is used for enabling
errata workarounds when decoding branch trace.
The general format is "<vendor>:<identifier>" but we also allow two
special values "auto" and "none".
The default is "auto", which is the current behaviour of having GDB
determine the processor on which the trace was recorded.
If that cpu is not known to the trace decoder, e.g. when using an old
decoder on a new system, decode may fail with "unknown cpu". In most
cases it should suffice to 'downgrade' decode to assume an older cpu.
Unfortunately, we can't do this automatically.
The other special value, "none", disables errata workarounds.
gdb/
* NEWS (New options): announce set/show record btrace cpu.
* btrace.c: Include record-btrace.h.
(btrace_compute_ftrace_pt): Skip enabling errata workarounds if
the vendor is unknown.
(btrace_compute_ftrace_1): Add cpu parameter. Update callers.
Maybe overwrite the btrace configuration's cpu.
(btrace_compute_ftrace): Add cpu parameter. Update callers.
(btrace_fetch): Add cpu parameter. Update callers.
(btrace_maint_update_pt_packets): Call record_btrace_get_cpu.
Maybe overwrite the btrace configuration's cpu. Skip enabling
errata workarounds if the vendor is unknown.
* python/py-record-btrace.c: Include record-btrace.h.
(recpy_bt_begin, recpy_bt_end, recpy_bt_instruction_history)
(recpy_bt_function_call_history): Call record_btrace_get_cpu.
* record-btrace.c (record_btrace_cpu_state_kind): New.
(record_btrace_cpu): New.
(set_record_btrace_cpu_cmdlist): New.
(record_btrace_get_cpu): New.
(require_btrace_thread, record_btrace_info)
(record_btrace_resume_thread): Call record_btrace_get_cpu.
(cmd_set_record_btrace_cpu_none): New.
(cmd_set_record_btrace_cpu_auto): New.
(cmd_set_record_btrace_cpu): New.
(cmd_show_record_btrace_cpu): New.
(_initialize_record_btrace): Initialize set/show record btrace cpu
commands.
* record-btrace.h (record_btrace_get_cpu): New.
testsuite/
* gdb.btrace/cpu.exp: New.
doc/
* gdb.texinfo: Document set/show record btrace cpu.
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In gdb.btrace/buffer-size.exp we explicitly ask for the BTS recording format.
This may lead to spurious fails on systems where PT is being used by some other
process at the same time.
Set both PT and BTS buffer sizes to 1 and check that whatever recording format
is used will use a 4KB buffer.
testsuite/
* gdb.btrace/buffer-size.exp: Do not force BTS.
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gdb/ChangeLog:
Update copyright year range in all GDB files
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Avoid putting unstable path names in test messages, in order to avoid
spurious testrun result diffs like:
[....]
-PASS: gdb.base/break-fun-addr.exp: /home/pedro/gdb/test-build1/gdb/testsuite/outputs/gdb.base/break-fun-addr/break-fun-addr1: break *main
+PASS: gdb.base/break-fun-addr.exp: /home/pedro/gdb/test-build2/gdb/testsuite/outputs/gdb.base/break-fun-addr/break-fun-addr1: break *main
[....]
gdb/ChangeLog:
2017-03-08 Pedro Alves <palves@redhat.com>
* gdb.base/break-fun-addr.exp: Use $testfile1/$testfile2 for test
prefix instead of $binfile1/$binfile2.
* gdb.btrace/gcore.exp: Use "core" instead of unstable path name
in test message.
* gdb.python/py-completion.exp: Use "load python file" as test
messages instead of unstable path names.
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Parts of gdb.btrace/enable.exp are only valid for native debug. The check for
skip_gdbserver_tests is done while GDB is running, though, which causes it to
fail with --target_board=native-extended-gdbserver. Exit GDB before that check.
testsuite/
* gdb.btrace/enable.exp: Call gdb_exit before skip_gdbserver_tests.
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With --target_board=native-extended-gdbserver non-stop tests are failing with
UNTESTED: gdb.btrace/non-stop.exp: failed to run to main
Fix that by adding '-ex "set non-stop on"' to GDBFLAGS before restarting.
testsuite/
* gdb.btrace/non-stop.exp: Add '-ex "set non-stop on"' to GDBFLAGS.
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We may silently skip gdb.btrace tests if
- the target does not support record-btrace
- the target does not support TSX
- the target does not support gdbserver
- we fail to compile the test
- we fail to run to main
Add unsupported/untested messages for each of those.
testsuite/
* gdb.btrace/buffer-size.exp: Add unsupported/untested message if
the test is skipped.
* gdb.btrace/data.exp: Likewise.
* gdb.btrace/delta.exp: Likewise.
* gdb.btrace/dlopen.exp: Likewise.
* gdb.btrace/enable-running.exp: Likewise.
* gdb.btrace/enable.exp: Likewise.
* gdb.btrace/exception.exp: Likewise.
* gdb.btrace/function_call_history.exp: Likewise.
* gdb.btrace/gcore.exp: Likewise.
* gdb.btrace/instruction_history.exp: Likewise.
* gdb.btrace/multi-thread-step.exp: Likewise.
* gdb.btrace/nohist.exp: Likewise.
* gdb.btrace/non-stop.exp: Likewise.
* gdb.btrace/reconnect.exp: Likewise.
* gdb.btrace/record_goto-step.exp: Likewise.
* gdb.btrace/record_goto.exp: Likewise.
* gdb.btrace/rn-dl-bind.exp: Likewise.
* gdb.btrace/segv.exp: Likewise.
* gdb.btrace/step.exp: Likewise.
* gdb.btrace/stepi.exp: Likewise.
* gdb.btrace/tailcall-only.exp: Likewise.
* gdb.btrace/tailcall.exp: Likewise.
* gdb.btrace/tsx.exp: Likewise.
* gdb.btrace/unknown_functions.exp: Likewise.
* gdb.btrace/vdso.exp: Likewise.
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When recording is started for a running thread, GDB was able to start tracing
but then failed to read registers to insert the initial entry for the current
PC. We don't really need that initial entry if we don't know where exactly we
started recording. Skip that step to allow recording to be started while
threads are running.
If we do run into errors, we need to undo the tracing enable to not leak this
thread. The operation did not complete so our caller won't clean up this
thread.
For the BTRACE_FORMAT_PT btrace format, we don't need that initial entry since
it will be recorded in the trace. We can omit the call to btrace_add_pc.
gdb/
* btrace.c (btrace_enable): Do not call btrace_add_pc for
BTRACE_FORMAT_PT or if can_access_registers_ptid returns false.
(btrace_fetch): Assert can_access_registers_ptid.
* record-btrace.c (require_btrace_thread, record_btrace_info): Call
validate_registers_access.
testsuite/
* gdb.btrace/enable-running.c: New.
* gdb.btrace/enable-running.exp: New.
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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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