| 1 | /* Check alignment of TLS variable. */ |
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| 2 | #include <dlfcn.h> |
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| 3 | #include <stdint.h> |
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| 4 | #include <stdio.h> |
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| 5 | #include <stdlib.h> |
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| 6 | |
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| 7 | #define AL 4096 |
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| 8 | struct foo |
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| 9 | { |
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| 10 | int i; |
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| 11 | } __attribute ((aligned (AL))); |
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| 12 | |
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| 13 | static __thread struct foo f; |
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| 14 | static struct foo g; |
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| 15 | |
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| 16 | |
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| 17 | extern int in_dso1 (void); |
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| 18 | |
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| 19 | |
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| 20 | static int |
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| 21 | do_test (void) |
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| 22 | { |
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| 23 | int result = 0; |
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| 24 | |
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| 25 | int fail = (((uintptr_t) &f) & (AL - 1)) != 0; |
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| 26 | printf (format: "&f = %p %s\n" , &f, fail ? "FAIL" : "OK" ); |
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| 27 | result |= fail; |
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| 28 | |
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| 29 | fail = (((uintptr_t) &g) & (AL - 1)) != 0; |
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| 30 | printf (format: "&g = %p %s\n" , &g, fail ? "FAIL" : "OK" ); |
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| 31 | result |= fail; |
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| 32 | |
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| 33 | result |= in_dso1 (); |
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| 34 | |
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| 35 | void *h = dlopen (file: "tst-tlsmod14b.so" , RTLD_LAZY); |
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| 36 | if (h == NULL) |
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| 37 | { |
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| 38 | printf (format: "cannot open tst-tlsmod14b.so: %m\n" ); |
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| 39 | exit (status: 1); |
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| 40 | } |
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| 41 | |
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| 42 | int (*fp) (void) = (int (*) (void)) dlsym (handle: h, name: "in_dso2" ); |
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| 43 | if (fp == NULL) |
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| 44 | { |
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| 45 | puts (s: "cannot find in_dso2" ); |
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| 46 | exit (status: 1); |
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| 47 | } |
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| 48 | |
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| 49 | result |= fp (); |
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| 50 | |
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| 51 | return result; |
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| 52 | } |
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| 53 | |
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| 54 | #include <support/test-driver.c> |
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| 55 | |
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