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When running gdb.python/py-mi-events.exp with make check-read1, we get:
...
(gdb) ^M
python print ('test')^M
&"python print ('test')\n"^M
~"test\n"^M
^done^M
(gdb) FAIL: gdb.python/py-mi-events.exp: verify python support
^M
python print (sys.version_info[0])^M
&"python print (sys.version_info[0])\n"^M
~"2\n"^M
^done^M
(gdb) FAIL: gdb.python/py-mi-events.exp: check if python 3
^M
...
The FAILs happen as follows.
On one hand, skip_python_tests_prompt uses the prompt_regexp parameter for the
user_code argument of gdb_test_multiple:
...
proc skip_python_tests_prompt { prompt_regexp } {
global gdb_py_is_py3k
gdb_test_multiple "python print ('test')" "verify python support" {
-re "not supported.*$prompt_regexp" {
unsupported "Python support is disabled."
return 1
}
-re "$prompt_regexp" {}
}
gdb_test_multiple "python print (sys.version_info\[0\])" "check if python 3" {
-re "3.*$prompt_regexp" {
set gdb_py_is_py3k 1
}
-re ".*$prompt_regexp" {
set gdb_py_is_py3k 0
}
}
...
On the other hand, gdb_test_multiple itself uses $gdb_prompt:
...
-re "\r\n$gdb_prompt $" {
if ![string match "" $message] then {
fail "$message"
}
set result 1
}
...
So when mi_skip_python_test calls skip_python_tests_prompt with prompt_regexp
set to $mi_gdb_prompt:
...
proc mi_skip_python_tests {} {
global mi_gdb_prompt
return [skip_python_tests_prompt "$mi_gdb_prompt$"]
}
...
and expect reads "(gdb) " and tries to match it (due to the READ1=1 setting),
the user_code regexps using $prompt_regexp (set to $mi_gdb_prompt) don't match,
but the $gdb_prompt regexp in gdb_test_multiple does match.
Fix this by adding a prompt_regexp parameter to gdb_test_multiple, and using the
parameter in skip_python_tests_prompt.
Tested gdb.python/py-mi-events.exp with make check READ1=1 x86_64-linux.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-07-29 Tom de Vries <tdevries@suse.de>
PR gdb/24855
* lib/gdb.exp (gdb_test_multiple): Add prompt_regexp parameter.
(skip_python_tests_prompt): Add prompt_regexp argument to
gdb_test_multiple calls.
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| bfd | ||
| binutils | ||
| config | ||
| contrib | ||
| cpu | ||
| elfcpp | ||
| etc | ||
| gas | ||
| gdb | ||
| gnulib | ||
| gold | ||
| gprof | ||
| include | ||
| intl | ||
| ld | ||
| libctf | ||
| libdecnumber | ||
| libiberty | ||
| opcodes | ||
| readline | ||
| sim | ||
| texinfo | ||
| zlib | ||
| .cvsignore | ||
| .gitattributes | ||
| .gitignore | ||
| ar-lib | ||
| ChangeLog | ||
| compile | ||
| config-ml.in | ||
| config.guess | ||
| config.rpath | ||
| config.sub | ||
| configure | ||
| configure.ac | ||
| COPYING | ||
| COPYING3 | ||
| COPYING3.LIB | ||
| COPYING.LIB | ||
| COPYING.LIBGLOSS | ||
| COPYING.NEWLIB | ||
| depcomp | ||
| djunpack.bat | ||
| install-sh | ||
| libtool.m4 | ||
| lt~obsolete.m4 | ||
| ltgcc.m4 | ||
| ltmain.sh | ||
| ltoptions.m4 | ||
| ltsugar.m4 | ||
| ltversion.m4 | ||
| MAINTAINERS | ||
| Makefile.def | ||
| Makefile.in | ||
| Makefile.tpl | ||
| makefile.vms | ||
| missing | ||
| mkdep | ||
| mkinstalldirs | ||
| move-if-change | ||
| multilib.am | ||
| README | ||
| README-maintainer-mode | ||
| setup.com | ||
| src-release.sh | ||
| symlink-tree | ||
| test-driver | ||
| ylwrap | ||
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.