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