diff options
Diffstat (limited to 'sysdeps/x86_64/tst-plt-rewrite2.c')
-rw-r--r-- | sysdeps/x86_64/tst-plt-rewrite2.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-plt-rewrite2.c b/sysdeps/x86_64/tst-plt-rewrite2.c new file mode 100644 index 0000000000..8427df5605 --- /dev/null +++ b/sysdeps/x86_64/tst-plt-rewrite2.c @@ -0,0 +1,46 @@ +/* Test PLT rewrite with 32-bit displacement overflow. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <support/check.h> + +extern int (*func_p) (void); +extern void foo (void); + +int +func (void) +{ + return 0xbadbeef; +} + +void +bar (void) +{ + TEST_VERIFY (func_p == &func); + TEST_VERIFY (func_p () == 0xbadbeef); +} + +static int +do_test (void) +{ + func_p = &func; + foo (); + bar (); + return 0; +} + +#include <support/test-driver.c> |