mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-30 10:45:40 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			58 lines
		
	
	
		
			997 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			997 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Check alignment of TLS variable.  */
 | |
| #include <dlfcn.h>
 | |
| #include <stdint.h>
 | |
| #include <stdio.h>
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include <tls.h>
 | |
| 
 | |
| #define AL 4096
 | |
| struct foo
 | |
| {
 | |
|   int i;
 | |
| } __attribute ((aligned (AL)));
 | |
| 
 | |
| static __thread struct foo f;
 | |
| static struct foo g;
 | |
| 
 | |
| 
 | |
| extern int in_dso1 (void);
 | |
| 
 | |
| 
 | |
| static int
 | |
| do_test (void)
 | |
| {
 | |
|   int result = 0;
 | |
| 
 | |
|   int fail = (((uintptr_t) &f) & (AL - 1)) != 0;
 | |
|   printf ("&f = %p %s\n", &f, fail ? "FAIL" : "OK");
 | |
|   result |= fail;
 | |
| 
 | |
|   fail = (((uintptr_t) &g) & (AL - 1)) != 0;
 | |
|   printf ("&g = %p %s\n", &g, fail ? "FAIL" : "OK");
 | |
|   result |= fail;
 | |
| 
 | |
|   result |= in_dso1 ();
 | |
| 
 | |
|   void *h = dlopen ("tst-tlsmod14b.so", RTLD_LAZY);
 | |
|   if (h == NULL)
 | |
|     {
 | |
|       printf ("cannot open tst-tlsmod14b.so: %m\n");
 | |
|       exit (1);
 | |
|     }
 | |
| 
 | |
|   int (*fp) (void) = (int (*) (void)) dlsym (h, "in_dso2");
 | |
|   if (fp == NULL)
 | |
|     {
 | |
|       puts ("cannot find in_dso2");
 | |
|       exit (1);
 | |
|     }
 | |
| 
 | |
|   result |= fp ();
 | |
| 
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| #define TEST_FUNCTION do_test ()
 | |
| #include "../test-skeleton.c"
 |