mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 14:20:07 +00:00
Test cases for correct unloading.
This commit is contained in:
parent
61995d3ed9
commit
193af754dc
48
elf/unload4.c
Normal file
48
elf/unload4.c
Normal file
@ -0,0 +1,48 @@
|
||||
#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
10
elf/unload4mod1.c
Normal file
@ -0,0 +1,10 @@
|
||||
#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
8
elf/unload4mod2.c
Normal file
@ -0,0 +1,8 @@
|
||||
#include <stdio.h>
|
||||
|
||||
int
|
||||
baz (int x)
|
||||
{
|
||||
puts ("in baz");
|
||||
return x * 4;
|
||||
}
|
16
elf/unload4mod3.c
Normal file
16
elf/unload4mod3.c
Normal file
@ -0,0 +1,16 @@
|
||||
#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
16
elf/unload4mod4.c
Normal file
@ -0,0 +1,16 @@
|
||||
#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
42
elf/unload5.c
Normal file
@ -0,0 +1,42 @@
|
||||
#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;
|
||||
}
|
Loading…
Reference in New Issue
Block a user