69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* glibc test for TLS in ld.so. */
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#include <stdio.h>
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__thread int foo, bar __attribute__ ((tls_model("local-exec")));
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extern __thread int foo_gd asm ("foo") __attribute__ ((tls_model("global-dynamic")));
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extern __thread int foo_ld asm ("foo") __attribute__ ((tls_model("local-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_gd asm ("bar") __attribute__ ((tls_model("global-dynamic")));
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extern __thread int bar_ld asm ("bar") __attribute__ ((tls_model("local-dynamic")));
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extern __thread int bar_ie asm ("bar") __attribute__ ((tls_model("initial-exec")));
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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 *ap, *bp;
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/* Set the variable using the local exec model. */
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puts ("set bar to 1 (LE)");
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bar = 1;
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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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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 != 1;
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if (*ap != 0 || *bp != 1)
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{
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printf ("foo = %d\nbar = %d\n", *ap, *bp);
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result = 1;
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}
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/* Get variables using local dynamic model or TLSDESC. */
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fputs ("get sum of foo and bar (LD or TLSDESC)", stdout);
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ap = &foo_ld;
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bp = &bar_ld;
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printf (" = %d\n", *ap + *bp);
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result |= *ap + *bp != 1;
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if (*ap != 0 || *bp != 1)
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{
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printf ("foo = %d\nbar = %d\n", *ap, *bp);
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result = 1;
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}
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/* Get variables using general dynamic model or TLSDESC. */
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fputs ("get sum of foo and bar (GD or TLSDESC)", stdout);
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ap = &foo_gd;
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bp = &bar_gd;
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printf (" = %d\n", *ap + *bp);
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result |= *ap + *bp != 1;
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if (*ap != 0 || *bp != 1)
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{
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printf ("foo = %d\nbar = %d\n", *ap, *bp);
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result = 1;
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}
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return result;
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}
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#include <support/test-driver.c>
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