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