50 lines
901 B
C
50 lines
901 B
C
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/* Check that the syscall set_thread_area is supported and does the right thing.
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#progos: linux
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*/
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#include <unistd.h>
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#include <sys/syscall.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#ifndef SYS_set_thread_area
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#define SYS_set_thread_area 243
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#endif
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int main (void)
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{
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int ret;
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/* Check the error check that the low 8 bits must be 0. */
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ret = syscall (SYS_set_thread_area, 0xfeeb1ff0);
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if (ret != -1 || errno != EINVAL)
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{
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perror ("tls1");
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abort ();
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}
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ret = syscall (SYS_set_thread_area, 0xcafebe00);
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if (ret != 0)
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{
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perror ("tls2");
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abort ();
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}
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/* Check that we got the right result. */
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#ifdef __arch_v32
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asm ("move $pid,%0\n\tclear.b %0" : "=rm" (ret));
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#else
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asm ("move $brp,%0" : "=rm" (ret));
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#endif
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if (ret != 0xcafebe00)
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{
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perror ("tls2");
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abort ();
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}
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printf ("pass\n");
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exit (0);
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}
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