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/* shared library to test for __tls_get_addr optimization. */
#include <stdio.h>
#include "dl-tls.h"
__thread int foo __attribute__ ((tls_model("global-dynamic")));
int
tls_get_addr_opt_test (void)
{
int result = 0;
/* Get variable using general dynamic model. */
int *ap = &foo;
if (*ap != 0)
{
printf ("foo = %d\n", *ap);
result = 1;
}
tls_index *tls_arg;
#ifdef __powerpc64__
register unsigned long thread_pointer __asm__ ("r13");
# ifdef __PCREL__
asm ("paddi %0,0,foo@got@tlsgd@pcrel,1" : "=b" (tls_arg));
# else
asm ("addi %0,2,foo@got@tlsgd" : "=b" (tls_arg));
# endif
#else
register unsigned long thread_pointer __asm__ ("r2");
asm ("bcl 20,31,1f\n1:\t"
"mflr %0\n\t"
"addis %0,%0,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t"
"addi %0,%0,_GLOBAL_OFFSET_TABLE_-1b@l\n\t"
"addi %0,%0,foo@got@tlsgd" : "=b" (tls_arg));
#endif
if (tls_arg->ti_module != 0)
{
printf ("tls_index not optimized, binutils too old?\n");
result = 1;
}
else if (tls_arg->ti_offset + thread_pointer != (unsigned long) ap)
{
printf ("tls_index->ti_offset wrong value\n");
result = 1;
}
return result;
}
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