diff options
Diffstat (limited to 'tests/print_user_desc.c')
| -rw-r--r-- | tests/print_user_desc.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tests/print_user_desc.c b/tests/print_user_desc.c new file mode 100644 index 00000000..2dac3879 --- /dev/null +++ b/tests/print_user_desc.c @@ -0,0 +1,78 @@ +/* + * Auxiliary printing function for the struct user_desc type. + * Used by modify_ldt and xet_thread_area tests. + * + * Copyright (c) 2018 The strace developers. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "tests.h" + +#ifdef HAVE_STRUCT_USER_DESC + +# include <asm/ldt.h> + +/** + * Print user_desc structure. + * + * @param us Pointer to struct user_desc to print. + * @param entry_str If not NULL, the string is printed as a value of + * entry_number field. + */ +static void +print_user_desc(struct user_desc *us, const char *entry_str) +{ + if (entry_str) + printf("{entry_number=%s", entry_str); + else + printf("{entry_number=%u", us->entry_number); + + printf(", base_addr=%#08x" + ", limit=%#08x" + ", seg_32bit=%u" + ", contents=%u" + ", read_exec_only=%u" + ", limit_in_pages=%u" + ", seg_not_present=%u" + ", useable=%u" +# ifdef __x86_64__ + ", lm=%u" +# endif + "}", + us->base_addr, + us->limit, + us->seg_32bit, + us->contents, + us->read_exec_only, + us->limit_in_pages, + us->seg_not_present, + us->useable +# ifdef __x86_64__ + , us->lm +# endif + ); +} + +#endif /* HAVE_STRUCT_USER_DESC */ |