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authorGabriel F. T. Gomes <gabrielftg@linux.ibm.com>2019-12-03 22:10:50 -0300
committerGabriel F. T. Gomes <gabrielftg@linux.ibm.com>2019-12-04 09:16:42 -0300
commit6ef1bab699eb82ad24d52a4a045bceb4f7533a5b (patch)
tree2b491efa10ce883ee15551c3a300fd263bddc22c /wcsmbs/wmemcpy.c
parent8b196ac4b8d1be6021a3974f28bba5e947b37db8 (diff)
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Attach to test in container from debugglibc.sh
Some test cases are meant to be ran inside the container infrastructure
and make check automatically runs them as such.  However, running a
single test case in a container without make check is useful.

This patch adds a new --tool option to testrun.sh that makes this easy,
as well as it adds a new option (-c or --in-container) to debugglibc.sh,
which causes the program under test to be ran in a container (with
WAIT_FOR_DEBUGGER=1), then automatically attaches GDB to it.

Automatically detecting if a test case is supposed to be ran inside a
container is harder (if not impossible), as Carlos pointed out [1],
however, this patch makes it easier to do it manually:

  Using testrun.sh with containerized test:

    $ ./testrun.sh --tool=container /absolute/path/to/program

  Using debugglibc.sh with containerized test:

    $ ./debugglibc.sh -c /absolute/path/to/program

Note: running these commands with relative paths causes error and
warning messages to be displayed, although the test case might succeed.

For example, with relative path:

  $ ./testrun.sh --tool=container elf/tst-ldconfig-bad-aux-cache
  error: subprocess failed: execv
  error:   unexpected error output from subprocess
  /sbin/ldconfig: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf: No such file or directory
  info: f    0    1064   /var/cache/ldconfig/aux-cache            20 aux-cache
  [...]

Whereas with absolute paths, the errors and warnings are gone:

  $ ./testrun.sh --tool=container $PWD/elf/tst-ldconfig-bad-aux-cache
  info: f    0    1064   /var/cache/ldconfig/aux-cache            20 aux-cache
  [...]

[1] https://sourceware.org/ml/libc-alpha/2019-11/msg00873.html

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'wcsmbs/wmemcpy.c')
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