| 1 | #include <dlfcn.h> |
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| 2 | #include <mcheck.h> |
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| 3 | #include <stdio.h> |
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| 4 | #include <stdlib.h> |
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| 5 | |
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| 6 | int |
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| 7 | main (void) |
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| 8 | { |
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| 9 | void *h[2]; |
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| 10 | int fail; |
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| 11 | int (*fp) (void); |
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| 12 | |
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| 13 | mtrace (); |
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| 14 | |
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| 15 | h[0] = dlopen (file: "ltglobmod1.so" , RTLD_LAZY); |
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| 16 | if (h[0] == NULL) |
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| 17 | { |
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| 18 | printf (format: "%s: cannot open %s: %s\n" , |
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| 19 | __FUNCTION__, "ltglobmod1.so" , dlerror ()); |
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| 20 | exit (EXIT_FAILURE); |
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| 21 | } |
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| 22 | h[1] = dlopen (file: "ltglobmod2.so" , RTLD_LAZY); |
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| 23 | if (h[1] == NULL) |
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| 24 | { |
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| 25 | printf (format: "%s: cannot open %s: %s\n" , |
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| 26 | __FUNCTION__, "ltglobmod2.so" , dlerror ()); |
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| 27 | exit (EXIT_FAILURE); |
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| 28 | } |
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| 29 | |
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| 30 | puts (s: "loaded \"ltglobmod1.so\" without RTLD_GLOBAL" ); |
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| 31 | |
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| 32 | fp = dlsym (handle: h[1], name: "foo" ); |
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| 33 | if (fp == NULL) |
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| 34 | { |
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| 35 | printf (format: "cannot get address of `foo': %s\n" , dlerror ()); |
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| 36 | exit (EXIT_FAILURE); |
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| 37 | } |
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| 38 | |
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| 39 | fail = fp (); |
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| 40 | |
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| 41 | puts (s: "back in main" ); |
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| 42 | |
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| 43 | dlclose (handle: h[1]); |
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| 44 | dlclose (handle: h[0]); |
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| 45 | |
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| 46 | return fail; |
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| 47 | } |
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| 48 | |
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