mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
23a75657ad
actually referenced (gcc 3.4 eliminates comparisons of addresses of global symbols with NULL). * ld-selective/selective.exp: Suppress -fvtable-gc tests for gcc 3.4.0 and above, as this option and its functionality is no longer supported, making these tests fail).
307 lines
6.4 KiB
C
307 lines
6.4 KiB
C
#ifdef PROTECTED_CHECK
|
|
#include <features.h>
|
|
#include <stdio.h>
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
#if defined (__GLIBC__) && (__GLIBC__ > 2 \
|
|
|| (__GLIBC__ == 2 \
|
|
&& __GLIBC_MINOR__ >= 2))
|
|
puts ("yes");
|
|
#else
|
|
puts ("no");
|
|
#endif
|
|
return 0;
|
|
}
|
|
#else
|
|
/* This is the main program for the shared library test. */
|
|
|
|
#include <stdio.h>
|
|
|
|
int mainvar = 1;
|
|
int overriddenvar = 2;
|
|
extern int shlibvar1;
|
|
|
|
extern int shlib_mainvar ();
|
|
extern int shlib_overriddenvar ();
|
|
extern int shlib_shlibvar1 ();
|
|
extern int shlib_shlibvar2 ();
|
|
extern int shlib_shlibcall ();
|
|
extern int shlib_maincall ();
|
|
extern int shlib_checkfunptr1 ();
|
|
extern int shlib_checkfunptr2 ();
|
|
extern int (*shlib_getfunptr1 ()) ();
|
|
extern int (*shlib_getfunptr2 ()) ();
|
|
extern int shlib_check ();
|
|
extern int shlib_shlibcall2 ();
|
|
extern int visibility_check ();
|
|
extern int visibility_checkfunptr ();
|
|
extern void *visibility_funptr ();
|
|
extern int visibility_checkvar ();
|
|
extern int visibility_checkvarptr ();
|
|
extern int visibility_varval ();
|
|
extern void *visibility_varptr ();
|
|
extern int shlib_visibility_checkcom ();
|
|
extern int shlib_visibility_checkweak ();
|
|
|
|
int shlib_visibility_com = 1;
|
|
|
|
int shlib_visibility_var_weak = 1;
|
|
|
|
int
|
|
shlib_visibility_func_weak ()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#ifdef HIDDEN_WEAK_TEST
|
|
#define WEAK_TEST
|
|
#endif
|
|
|
|
#ifdef PROTECTED_WEAK_TEST
|
|
#define WEAK_TEST
|
|
#endif
|
|
|
|
#ifdef PROTECTED_UNDEF_TEST
|
|
#define PROTECTED_TEST
|
|
#endif
|
|
|
|
#ifndef WEAK_TEST
|
|
extern int visibility ();
|
|
extern int visibility_var;
|
|
#endif
|
|
|
|
#if !defined (HIDDEN_TEST) && defined (PROTECTED_TEST)
|
|
int
|
|
visibility (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
main_visibility_check (void)
|
|
{
|
|
return ((int (*) (void)) visibility_funptr ()) != visibility;
|
|
}
|
|
|
|
int visibility_var = 1;
|
|
|
|
static int
|
|
main_visibility_checkvar (void)
|
|
{
|
|
return visibility_varval () != visibility_var
|
|
&& visibility_varptr () != &visibility_var;
|
|
}
|
|
|
|
#ifndef PROTECTED_UNDEF_TEST
|
|
int shared_data = 1;
|
|
asm (".protected shared_data");
|
|
|
|
int
|
|
shared_func (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
asm (".protected shared_func");
|
|
|
|
extern int * shared_data_p ();
|
|
typedef int (*func) ();
|
|
extern func shared_func_p ();
|
|
#endif
|
|
#else
|
|
static int
|
|
main_visibility_check (void)
|
|
{
|
|
#ifdef WEAK_TEST
|
|
return visibility_funptr () == NULL;
|
|
#else
|
|
return ((int (*) (void)) visibility_funptr ()) == visibility;
|
|
#endif
|
|
}
|
|
|
|
static int
|
|
main_visibility_checkvar (void)
|
|
{
|
|
#ifdef WEAK_TEST
|
|
return visibility_varval () == 0
|
|
&& visibility_varptr () == NULL;
|
|
#else
|
|
return visibility_varval () == visibility_var
|
|
&& visibility_varptr () == &visibility_var;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
/* This function is called by the shared library. */
|
|
|
|
int
|
|
main_called (void)
|
|
{
|
|
return 6;
|
|
}
|
|
|
|
/* This function overrides a function in the shared library. */
|
|
|
|
int
|
|
shlib_overriddencall2 (void)
|
|
{
|
|
return 8;
|
|
}
|
|
|
|
#ifdef HIDDEN_NORMAL_TEST
|
|
int visibility_com;
|
|
asm (".hidden visibility_com");
|
|
|
|
int
|
|
main_visibility_checkcom (void)
|
|
{
|
|
return visibility_com == 0;
|
|
}
|
|
|
|
int
|
|
main_visibility_checkweak (void)
|
|
{
|
|
return 1;
|
|
}
|
|
#elif defined (HIDDEN_WEAK_TEST)
|
|
int
|
|
main_visibility_checkcom (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#pragma weak visibility_undef_var_weak
|
|
extern int visibility_undef_var_weak;
|
|
asm (".hidden visibility_undef_var_weak");
|
|
|
|
#pragma weak visibility_undef_func_weak
|
|
extern int visibility_undef_func_weak ();
|
|
asm (".hidden visibility_undef_func_weak");
|
|
|
|
#pragma weak visibility_var_weak
|
|
extern int visibility_var_weak;
|
|
asm (".hidden visibility_var_weak");
|
|
|
|
#pragma weak visibility_func_weak
|
|
extern int visibility_func_weak ();
|
|
asm (".hidden visibility_func_weak");
|
|
|
|
int
|
|
main_visibility_checkweak ()
|
|
{
|
|
return &visibility_undef_var_weak == NULL
|
|
&& &visibility_undef_func_weak == NULL
|
|
&& &visibility_func_weak == NULL
|
|
&& &visibility_var_weak == NULL;
|
|
}
|
|
#elif defined (HIDDEN_UNDEF_TEST)
|
|
extern int visibility_def;
|
|
asm (".hidden visibility_def");
|
|
extern int visibility_func ();
|
|
asm (".hidden visibility_func");
|
|
|
|
int
|
|
main_visibility_checkcom (void)
|
|
{
|
|
return & visibility_def != NULL && visibility_def == 2;
|
|
}
|
|
|
|
int
|
|
main_visibility_checkweak (void)
|
|
{
|
|
return & visibility_func != NULL && visibility_func () == 2;
|
|
}
|
|
#else
|
|
int
|
|
main_visibility_checkcom (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
main_visibility_checkweak (void)
|
|
{
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
int (*p) ();
|
|
int ret = 0;
|
|
|
|
printf ("mainvar == %d\n", mainvar);
|
|
printf ("overriddenvar == %d\n", overriddenvar);
|
|
printf ("shlibvar1 == %d\n", shlibvar1);
|
|
#ifndef XCOFF_TEST
|
|
printf ("shlib_mainvar () == %d\n", shlib_mainvar ());
|
|
printf ("shlib_overriddenvar () == %d\n", shlib_overriddenvar ());
|
|
#endif
|
|
printf ("shlib_shlibvar1 () == %d\n", shlib_shlibvar1 ());
|
|
printf ("shlib_shlibvar2 () == %d\n", shlib_shlibvar2 ());
|
|
printf ("shlib_shlibcall () == %d\n", shlib_shlibcall ());
|
|
#ifndef XCOFF_TEST
|
|
printf ("shlib_shlibcall2 () == %d\n", shlib_shlibcall2 ());
|
|
printf ("shlib_maincall () == %d\n", shlib_maincall ());
|
|
#endif
|
|
printf ("main_called () == %d\n", main_called ());
|
|
printf ("shlib_checkfunptr1 (shlib_shlibvar1) == %d\n",
|
|
shlib_checkfunptr1 (shlib_shlibvar1));
|
|
#ifndef XCOFF_TEST
|
|
printf ("shlib_checkfunptr2 (main_called) == %d\n",
|
|
shlib_checkfunptr2 (main_called));
|
|
#endif
|
|
p = shlib_getfunptr1 ();
|
|
printf ("shlib_getfunptr1 () ");
|
|
if (p == shlib_shlibvar1)
|
|
printf ("==");
|
|
else
|
|
printf ("!=");
|
|
printf (" shlib_shlibvar1\n");
|
|
#ifndef XCOFF_TEST
|
|
p = shlib_getfunptr2 ();
|
|
printf ("shlib_getfunptr2 () ");
|
|
if (p == main_called)
|
|
printf ("==");
|
|
else
|
|
printf ("!=");
|
|
printf (" main_called\n");
|
|
#endif
|
|
printf ("shlib_check () == %d\n", shlib_check ());
|
|
printf ("visibility_check () == %d\n", visibility_check ());
|
|
printf ("visibility_checkfunptr () == %d\n",
|
|
visibility_checkfunptr ());
|
|
printf ("main_visibility_check () == %d\n", main_visibility_check ());
|
|
printf ("visibility_checkvar () == %d\n", visibility_checkvar ());
|
|
printf ("visibility_checkvarptr () == %d\n",
|
|
visibility_checkvarptr ());
|
|
printf ("main_visibility_checkvar () == %d\n",
|
|
main_visibility_checkvar ());
|
|
printf ("main_visibility_checkcom () == %d\n",
|
|
main_visibility_checkcom ());
|
|
printf ("shlib_visibility_checkcom () == %d\n",
|
|
shlib_visibility_checkcom ());
|
|
printf ("main_visibility_checkweak () == %d\n",
|
|
main_visibility_checkweak ());
|
|
printf ("shlib_visibility_checkweak () == %d\n",
|
|
shlib_visibility_checkweak ());
|
|
|
|
#if !defined (PROTECTED_UNDEF_TEST) && defined (PROTECTED_TEST)
|
|
if (&shared_data != shared_data_p ())
|
|
ret = 1;
|
|
p = shared_func_p ();
|
|
if (shared_func != p)
|
|
ret = 1;
|
|
if (shared_data != *shared_data_p ())
|
|
ret = 1;
|
|
if (shared_func () != (*p) () )
|
|
ret = 1;
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
#endif
|