1 | /* glibc test for TLS in ld.so. */ |
2 | #include <stdio.h> |
3 | |
4 | |
5 | __thread int foo, bar __attribute__ ((tls_model("local-exec" ))); |
6 | extern __thread int foo_gd asm ("foo" ) __attribute__ ((tls_model("global-dynamic" ))); |
7 | extern __thread int foo_ld asm ("foo" ) __attribute__ ((tls_model("local-dynamic" ))); |
8 | extern __thread int foo_ie asm ("foo" ) __attribute__ ((tls_model("initial-exec" ))); |
9 | extern __thread int bar_gd asm ("bar" ) __attribute__ ((tls_model("global-dynamic" ))); |
10 | extern __thread int bar_ld asm ("bar" ) __attribute__ ((tls_model("local-dynamic" ))); |
11 | extern __thread int bar_ie asm ("bar" ) __attribute__ ((tls_model("initial-exec" ))); |
12 | |
13 | static int |
14 | do_test (void) |
15 | { |
16 | int result = 0; |
17 | int *ap, *bp; |
18 | |
19 | |
20 | /* Set the variable using the local exec model. */ |
21 | puts (s: "set bar to 1 (LE)" ); |
22 | bar = 1; |
23 | |
24 | |
25 | /* Get variables using initial exec model. */ |
26 | fputs (s: "get sum of foo and bar (IE)" , stdout); |
27 | ap = &foo_ie; |
28 | bp = &bar_ie; |
29 | printf (format: " = %d\n" , *ap + *bp); |
30 | result |= *ap + *bp != 1; |
31 | if (*ap != 0 || *bp != 1) |
32 | { |
33 | printf (format: "foo = %d\nbar = %d\n" , *ap, *bp); |
34 | result = 1; |
35 | } |
36 | |
37 | |
38 | /* Get variables using local dynamic model or TLSDESC. */ |
39 | fputs (s: "get sum of foo and bar (LD or TLSDESC)" , stdout); |
40 | ap = &foo_ld; |
41 | bp = &bar_ld; |
42 | printf (format: " = %d\n" , *ap + *bp); |
43 | result |= *ap + *bp != 1; |
44 | if (*ap != 0 || *bp != 1) |
45 | { |
46 | printf (format: "foo = %d\nbar = %d\n" , *ap, *bp); |
47 | result = 1; |
48 | } |
49 | |
50 | |
51 | /* Get variables using general dynamic model or TLSDESC. */ |
52 | fputs (s: "get sum of foo and bar (GD or TLSDESC)" , stdout); |
53 | ap = &foo_gd; |
54 | bp = &bar_gd; |
55 | printf (format: " = %d\n" , *ap + *bp); |
56 | result |= *ap + *bp != 1; |
57 | if (*ap != 0 || *bp != 1) |
58 | { |
59 | printf (format: "foo = %d\nbar = %d\n" , *ap, *bp); |
60 | result = 1; |
61 | } |
62 | |
63 | |
64 | return result; |
65 | } |
66 | |
67 | |
68 | #include <support/test-driver.c> |
69 | |