testsuite/ltrace.minor/trace-irelative.exp

# This file is part of ltrace.
# Copyright (C) 2013 Petr Machata, Red Hat Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA

set bin [ltraceCompile {} [ltraceSource c {
    int abc (int a) { return a + 1; }
    static int (*resolve_xyz (void)) (int) { return abc; }
    int xyz (int a) __attribute__ ((ifunc ("resolve_xyz")));

    int
    main(int argc, char *argv[])
    {
      return xyz (xyz (argc));
    }
}]]

ltraceMatch1 [ltraceRun -e xyz -- $bin] {xyz\(} == 2

# If the actual entry point that xyz resolves to is not traced, it
# should get xyz's name.  But we don't mind if somebody implements the
# late lookup and actually names the symbol properly.

ltraceMatch [ltraceRun -L -x xyz -- $bin] {
    {{xyz\.IFUNC\(\)} == 1}
    {{(xyz|abc)\(} == 2}
}

# If we request abc's tracing explicitly, than it definitely needs to
# be presented as abc, not as xyz.

ltraceMatch [ltraceRun -L -x xyz+abc -- $bin] {
    {{xyz\.IFUNC\(\)} == 1}
    {{abc\(} == 2}
}

ltraceDone