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Test cases for correct unloading.
- Loading branch information
Ulrich Drepper
committed
Mar 18, 2005
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#include <dlfcn.h> | ||
#include <stdio.h> | ||
#include <malloc.h> | ||
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int | ||
main (void) | ||
{ | ||
#ifdef M_PERTURB | ||
mallopt (M_PERTURB, 0xaa); | ||
#endif | ||
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void *h; | ||
int (*fn) (int); | ||
h = dlopen ("unload4mod1.so", RTLD_LAZY); | ||
if (h == NULL) | ||
{ | ||
puts ("1st dlopen failed"); | ||
return 1; | ||
} | ||
fn = dlsym (h, "foo"); | ||
if (fn == NULL) | ||
{ | ||
puts ("dlsym failed"); | ||
return 1; | ||
} | ||
int n = fn (10); | ||
if (n != 28) | ||
{ | ||
printf ("foo (10) returned %d != 28\n", n); | ||
return 1; | ||
} | ||
dlclose (h); | ||
h = dlopen ("unload4mod3.so", RTLD_LAZY); | ||
fn = dlsym (h, "mod3fn2"); | ||
if (fn == NULL) | ||
{ | ||
puts ("second dlsym failed"); | ||
return 1; | ||
} | ||
n = fn (10); | ||
if (n != 22) | ||
{ | ||
printf ("mod3fn2 (10) returned %d != 22\n", n); | ||
return 1; | ||
} | ||
dlclose (h); | ||
return 0; | ||
} |
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#include <stdio.h> | ||
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extern int bar (int); | ||
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int | ||
foo (int x) | ||
{ | ||
puts ("in foo"); | ||
return bar (x / 2) + 2; | ||
} |
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#include <stdio.h> | ||
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int | ||
baz (int x) | ||
{ | ||
puts ("in baz"); | ||
return x * 4; | ||
} |
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#include <stdio.h> | ||
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int | ||
__attribute__((noinline)) | ||
mod3fn1 (int x) | ||
{ | ||
puts ("in mod3fn1"); | ||
return x + 6; | ||
} | ||
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int | ||
mod3fn2 (int x) | ||
{ | ||
puts ("in mod3fn2"); | ||
return mod3fn1 (x / 2) * 2; | ||
} |
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#include <stdio.h> | ||
#include <stdlib.h> | ||
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int | ||
__attribute__((noinline)) | ||
baz (int x) | ||
{ | ||
abort (); | ||
} | ||
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int | ||
bar (int x) | ||
{ | ||
puts ("in bar"); | ||
return baz (x + 1) + 2; | ||
} |
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#include <dlfcn.h> | ||
#include <stdio.h> | ||
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int | ||
main (void) | ||
{ | ||
void *g = dlopen ("unload3mod1.so", RTLD_GLOBAL | RTLD_NOW); | ||
void *h = dlopen ("unload3mod2.so", RTLD_GLOBAL | RTLD_NOW); | ||
if (g == NULL || h == NULL) | ||
{ | ||
printf ("dlopen unload3mod{1,2}.so failed: %p %p\n", g, h); | ||
return 1; | ||
} | ||
dlopen ("unload3mod4.so", RTLD_GLOBAL | RTLD_NOW); | ||
dlclose (h); | ||
dlclose (g); | ||
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g = dlopen ("unload3mod3.so", RTLD_GLOBAL | RTLD_NOW); | ||
h = dlopen ("unload3mod4.so", RTLD_GLOBAL | RTLD_NOW); | ||
if (g == NULL || h == NULL) | ||
{ | ||
printf ("dlopen unload3mod{3,4}.so failed: %p %p\n", g, h); | ||
return 1; | ||
} | ||
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int (*fn) (int); | ||
fn = dlsym (h, "bar"); | ||
if (fn == NULL) | ||
{ | ||
puts ("dlsym failed"); | ||
return 1; | ||
} | ||
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int val = fn (16); | ||
if (val != 24) | ||
{ | ||
printf ("bar returned %d != 24\n", val); | ||
return 1; | ||
} | ||
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return 0; | ||
} |