63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#include <stdio.h>
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__thread int foo, bar __attribute__ ((tls_model("global-dynamic")));
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extern __thread int baz __attribute__ ((tls_model("global-dynamic")));
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extern __thread int foo_ie asm ("foo") __attribute__ ((tls_model("initial-exec")));
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extern __thread int bar_ie asm ("bar") __attribute__ ((tls_model("initial-exec")));
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extern __thread int baz_ie asm ("baz") __attribute__ ((tls_model("initial-exec")));
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extern int in_dso (void);
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int
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in_dso (void)
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{
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int result = 0;
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int *ap, *bp, *cp;
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/* Get variables using initial exec model. */
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fputs ("get sum of foo and bar (IE)", stdout);
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asm ("" ::: "memory");
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ap = &foo_ie;
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bp = &bar_ie;
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printf (" = %d\n", *ap + *bp);
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result |= *ap + *bp != 3;
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if (*ap != 1)
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{
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printf ("foo = %d\n", *ap);
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result = 1;
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}
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if (*bp != 2)
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{
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printf ("bar = %d\n", *bp);
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result = 1;
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}
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/* Get variables using generic dynamic model or TLSDESC. */
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fputs ("get sum of foo and bar and baz (GD or TLSDESC)", stdout);
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ap = &foo;
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bp = &bar;
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cp = &baz;
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printf (" = %d\n", *ap + *bp + *cp);
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result |= *ap + *bp + *cp != 6;
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if (*ap != 1)
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{
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printf ("foo = %d\n", *ap);
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result = 1;
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}
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if (*bp != 2)
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{
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printf ("bar = %d\n", *bp);
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result = 1;
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}
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if (*cp != 3)
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{
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printf ("baz = %d\n", *cp);
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result = 1;
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}
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return result;
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}
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