diff options
Diffstat (limited to 'sysdeps/x86_64/x32/test-size_t.h')
-rw-r--r-- | sysdeps/x86_64/x32/test-size_t.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/x86_64/x32/test-size_t.h b/sysdeps/x86_64/x32/test-size_t.h new file mode 100644 index 0000000000..78a940863e --- /dev/null +++ b/sysdeps/x86_64/x32/test-size_t.h @@ -0,0 +1,35 @@ +/* Test string/memory functions with size_t in the lower 32 bits of + 64-bit register. + Copyright (C) 2019 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 + <http://www.gnu.org/licenses/>. */ + +#define TEST_MAIN +#include <string/test-string.h> + +/* On x32, parameter_t may be passed in a 64-bit register with the LEN + field in the lower 32 bits. When the LEN field of 64-bit register + is passed to string/memory function as the size_t parameter, only + the lower 32 bits can be used. */ +typedef struct +{ + union + { + size_t len; + void (*fn) (void); + }; + void *p; +} parameter_t; |