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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 commit fixes a couple problems with gdb.base/starti.exp, causing
spurious FAILs.
The first is a double-prompt problem:
~~~
(gdb) PASS: gdb.base/starti.exp: hook-stop
starti
[....]
gdb_expect_list pattern: /\$1 = 0/
$1 = 0
gdb_expect_list pattern: //
0x00007ffff7ddcc80 in _start () from /lib64/ld-linux-x86-64.so.2
(gdb) # EXPECTED PROMPT
(gdb) PASS: gdb.base/starti.exp: starti # ANOTHER PROMPT!
break main
~~~
This happens because the test uses gdb_test_sequence with no command,
like this:
gdb_test_sequence "" "starti" {
"Program stopped."
"\\$1 = 0"
}
but gdb_test_sequence doesn't have a check for empty command like
gdb_test_multiple does, and so sends "\n" to GDB:
proc gdb_test_sequence { command test_name expected_output_list } {
global gdb_prompt
if { $test_name == "" } {
set test_name $command
}
lappend expected_output_list ""; # implicit ".*" before gdb prompt
send_gdb "$command\n"
return [gdb_expect_list $test_name "$gdb_prompt $" $expected_output_list]
}
"starti" is a no-repeat command, so pressing <ret> just makes another
prompt appear, confusing the following gdb_test/gdb_test_multiple/etc.
Even with that fixed, the testcase is still racy though.
The second problem is that sometimes the "continue" test times out
here:
~~~
continue
Continuing.
$2 = 1
gdb_expect_list pattern: /.*Breakpoint .*main \(\) at .*starti.c.*/
Breakpoint 1, main () at /home/pedro/src/gdb/testsuite/gdb.base/starti.c:29
29 return 0;
(gdb) gdb_expect_list pattern: //
* hung here *
~~~
The problem is that the too-greedy ".*" trailing match in
gdb_expect_list's pattern ends up consuming GDB's prompt too soon.
Fix that by removing the unnecessary trailing ".*". While at it,
remove all ".*"s to be stricter.
Tested on x86_64 GNU/Linux.
gdb/testsuite/ChangeLog:
2017-11-16 Pedro Alves <palves@redhat.com>
* gdb.base/starti.exp ("continue" test): Remove ".*"s from
pattern.
* lib/gdb.exp (gdb_test_sequence): Don't send empty command to
GDB.
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This works like 'start' but it stops at the first instruction rather
than the first line in main(). This is useful if one wants to single
step through runtime linker startup.
While here, introduce a RUN_ARGS_HELP macro for shared help text
between run, start, and starti. This includes expanding the help for
start and starti to include details from run's help text.
gdb/ChangeLog:
* NEWS (Changes since GDB 8.0): Add starti.
* infcmd.c (enum run_break): New.
(run_command_1): Queue pending event for RUN_STOP_AT_FIRST_INSN
case.
(run_command): Use enum run_how.
(start_command): Likewise.
(starti_command): New function.
(RUN_ARGS_HELP): New macro.
(_initialize_infcmd): Use RUN_ARGS_HELP for run and start
commands. Add starti command.
gdb/doc/ChangeLog:
* gdb.texinfo (Starting your Program): Add description of
starti command. Mention starti command as an alternative for
debugging the elaboration phase.
gdb/testsuite/ChangeLog:
* gdb.base/starti.c: New file.
* gdb.base/starti.exp: New file.
* lib/gdb.exp (gdb_starti_cmd): New procedure.
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