Test cases for correct unloading.

This commit is contained in:
Ulrich Drepper 2005-03-18 10:54:53 +00:00
parent 61995d3ed9
commit 193af754dc
6 changed files with 140 additions and 0 deletions

48
elf/unload4.c Normal file
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#include <dlfcn.h>
#include <stdio.h>
#include <malloc.h>
int
main (void)
{
#ifdef M_PERTURB
mallopt (M_PERTURB, 0xaa);
#endif
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;
}

10
elf/unload4mod1.c Normal file
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#include <stdio.h>
extern int bar (int);
int
foo (int x)
{
puts ("in foo");
return bar (x / 2) + 2;
}

8
elf/unload4mod2.c Normal file
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#include <stdio.h>
int
baz (int x)
{
puts ("in baz");
return x * 4;
}

16
elf/unload4mod3.c Normal file
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#include <stdio.h>
int
__attribute__((noinline))
mod3fn1 (int x)
{
puts ("in mod3fn1");
return x + 6;
}
int
mod3fn2 (int x)
{
puts ("in mod3fn2");
return mod3fn1 (x / 2) * 2;
}

16
elf/unload4mod4.c Normal file
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#include <stdio.h>
#include <stdlib.h>
int
__attribute__((noinline))
baz (int x)
{
abort ();
}
int
bar (int x)
{
puts ("in bar");
return baz (x + 1) + 2;
}

42
elf/unload5.c Normal file
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#include <dlfcn.h>
#include <stdio.h>
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);
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;
}
int (*fn) (int);
fn = dlsym (h, "bar");
if (fn == NULL)
{
puts ("dlsym failed");
return 1;
}
int val = fn (16);
if (val != 24)
{
printf ("bar returned %d != 24\n", val);
return 1;
}
return 0;
}