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2002-02-17 Andreas Schwab <schwab@suse.de> * reldep7.c: New file. * reldep7mod1.c: New file. * reldep7mod2.c: New file. * Makefile: Add rules to build and run reldep7.cvs/fedora-2_3-branch
5 changed files with 96 additions and 3 deletions
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#include <dlfcn.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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int |
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main (void) |
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{ |
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void *h1; |
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void *h2; |
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void *mod1_bar, *mod2_bar; |
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h1 = dlopen ("reldep7mod1.so", RTLD_GLOBAL | RTLD_LAZY); |
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if (h1 == NULL) |
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{ |
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printf ("cannot open reldep7mod1.so: %s\n", dlerror ()); |
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exit (1); |
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} |
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h2 = dlopen ("reldep7mod2.so", RTLD_GLOBAL | RTLD_LAZY); |
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if (h2 == NULL) |
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{ |
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printf ("cannot open reldep7mod1.so: %s\n", dlerror ()); |
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exit (1); |
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} |
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mod1_bar = dlsym (h1, "mod1_bar"); |
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if (mod1_bar == NULL) |
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{ |
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printf ("cannot get address of \"mod1_bar\": %s\n", dlerror ()); |
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exit (1); |
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} |
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mod2_bar = dlsym (h2, "mod2_bar"); |
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if (mod2_bar == NULL) |
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{ |
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printf ("cannot get address of \"mod2_bar\": %s\n", dlerror ()); |
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exit (1); |
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} |
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printf ("%d\n", ((int (*) (void)) mod1_bar) ()); |
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printf ("%d\n", ((int (*) (void)) mod2_bar) ()); |
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if (dlclose (h1) != 0) |
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{ |
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printf ("closing h1 failed: %s\n", dlerror ()); |
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exit (1); |
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} |
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printf ("%d\n", ((int (*) (void)) mod2_bar) ()); |
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if (dlclose (h2) != 0) |
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{ |
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printf ("closing h2 failed: %s\n", dlerror ()); |
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exit (1); |
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} |
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return 0; |
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} |
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int foo (void) __attribute__ ((weak)); |
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int |
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foo (void) |
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{ |
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return 1; |
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} |
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int |
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mod1_bar (void) |
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{ |
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return foo (); |
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} |
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@ -0,0 +1,12 @@ |
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int foo (void) __attribute__ ((weak)); |
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int |
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foo (void) |
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{ |
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return 2; |
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} |
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int |
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mod2_bar (void) |
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{ |
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return foo (); |
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} |
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