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Diffstat (limited to 'src/tests/testfile-backtrace-demangle.cc')
-rw-r--r-- | src/tests/testfile-backtrace-demangle.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/tests/testfile-backtrace-demangle.cc b/src/tests/testfile-backtrace-demangle.cc new file mode 100644 index 00000000..27fff685 --- /dev/null +++ b/src/tests/testfile-backtrace-demangle.cc @@ -0,0 +1,47 @@ +/* Test program for C++ demangled unwinding. + Copyright (C) 2014 Red Hat, Inc. + This file is part of elfutils. + + This file 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 3 of the License, or + (at your option) any later version. + + elfutils 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, see <http://www.gnu.org/licenses/>. */ + +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +#define NOINLINE_NOCLONE __attribute__ ((noinline, noclone)) +#else +#define NOINLINE_NOCLONE __attribute__ ((noinline)) +#endif + +void NOINLINE_NOCLONE +cxxfunc (int i) +{ + *(volatile int *)0=0; + // Avoid tail call optimization. + asm volatile (""); +} + +extern "C" +{ + void NOINLINE_NOCLONE + f (void) + { + cxxfunc(1); + // Avoid tail call optimization. + asm volatile (""); + } +} + +int +main() +{ + f(); +} |