55 lines
949 B
C
55 lines
949 B
C
/* Check alignment of TLS variable. */
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#include <dlfcn.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define AL 4096
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struct foo
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{
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int i;
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} __attribute ((aligned (AL)));
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static __thread struct foo f;
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static struct foo g;
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extern int in_dso1 (void);
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static int
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do_test (void)
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{
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int result = 0;
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int fail = (((uintptr_t) &f) & (AL - 1)) != 0;
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printf ("&f = %p %s\n", &f, fail ? "FAIL" : "OK");
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result |= fail;
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fail = (((uintptr_t) &g) & (AL - 1)) != 0;
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printf ("&g = %p %s\n", &g, fail ? "FAIL" : "OK");
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result |= fail;
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result |= in_dso1 ();
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void *h = dlopen ("tst-tlsmod14b.so", RTLD_LAZY);
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if (h == NULL)
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{
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printf ("cannot open tst-tlsmod14b.so: %m\n");
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exit (1);
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}
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int (*fp) (void) = (int (*) (void)) dlsym (h, "in_dso2");
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if (fp == NULL)
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{
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puts ("cannot find in_dso2");
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exit (1);
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}
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result |= fp ();
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return result;
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}
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#include <support/test-driver.c>
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