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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [ld/] [testsuite/] [ld-elfvsb/] [sh1.c] - Blame information for rev 147

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Line No. Rev Author Line
1 59 khays
#ifndef NULL
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#define NULL ((void *) 0)
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#endif
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/* This is part of the shared library ld test.  This file becomes part
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   of a shared library.  */
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/* This variable is supplied by the main program.  */
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#ifndef XCOFF_TEST
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extern int mainvar;
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#endif
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/* This variable is defined in the shared library, and overridden by
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   the main program.  */
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#ifndef XCOFF_TEST
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#ifdef SHARED
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/* SHARED is defined if we are compiling with -fpic/-fPIC.  */
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int overriddenvar = -1;
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#else
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/* Without -fpic, newer versions of gcc assume that we are not
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   compiling for a shared library, and thus that overriddenvar is
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   local.  */
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extern int overriddenvar;
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#endif
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#endif
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/* This variable is defined in the shared library.  */
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int shlibvar1 = 3;
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/* This variable is defined by another object in the shared library.  */
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extern int shlibvar2;
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/* These functions return the values of the above variables as seen in
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   the shared library.  */
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#ifndef XCOFF_TEST
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int
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shlib_mainvar ()
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{
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  return mainvar;
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}
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#endif
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#ifndef XCOFF_TEST
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int
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shlib_overriddenvar ()
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{
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  return overriddenvar;
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}
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#endif
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int
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shlib_shlibvar1 ()
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{
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  return shlibvar1;
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}
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int
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shlib_shlibvar2 ()
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{
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  return shlibvar2;
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}
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/* This function calls a function defined by another object in the
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   shared library.  */
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extern int shlib_shlibcalled ();
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int
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shlib_shlibcall ()
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{
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  return shlib_shlibcalled ();
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}
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#ifndef XCOFF_TEST
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/* This function calls a function defined in this object in the shared
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   library.  The main program will override the called function.  */
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extern int shlib_overriddencall2 ();
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int
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shlib_shlibcall2 ()
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{
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  return shlib_overriddencall2 ();
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}
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#ifdef SHARED
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int
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shlib_overriddencall2 ()
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{
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  return 7;
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}
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#endif
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#endif
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/* This function calls a function defined by the main program.  */
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#ifndef XCOFF_TEST
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extern int main_called ();
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int
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shlib_maincall ()
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{
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  return main_called ();
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}
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#endif
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/* This function is passed a function pointer to shlib_mainvar.  It
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   confirms that the pointer compares equally.  */
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int
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shlib_checkfunptr1 (p)
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     int (*p) ();
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{
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  return p == shlib_shlibvar1;
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}
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/* This function is passed a function pointer to main_called.  It
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   confirms that the pointer compares equally.  */
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#ifndef XCOFF_TEST
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int
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shlib_checkfunptr2 (p)
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     int (*p) ();
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{
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  return p == main_called;
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}
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#endif
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/* This function returns a pointer to shlib_mainvar.  */
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int
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(*shlib_getfunptr1 ()) ()
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{
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  return shlib_shlibvar1;
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}
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/* This function returns a pointer to main_called.  */
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#ifndef XCOFF_TEST
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int
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(*shlib_getfunptr2 ()) ()
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{
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  return main_called;
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}
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#endif
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/* This function makes sure that constant data and local functions
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   work.  */
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#ifndef __STDC__
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#define const
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#endif
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static int i = 6;
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static const char *str = "Hello, world\n";
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int
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shlib_check ()
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{
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  const char *s1, *s2;
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  if (i != 6)
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    return 0;
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  /* To isolate the test, don't rely on any external functions, such
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     as strcmp.  */
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  s1 = "Hello, world\n";
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  s2 = str;
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  while (*s1 != '\0')
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    if (*s1++ != *s2++)
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      return 0;
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  if (*s2 != '\0')
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    return 0;
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  if (shlib_shlibvar1 () != 3)
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    return 0;
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  return 1;
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}
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#ifdef HIDDEN_WEAK_TEST
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#define HIDDEN_UNDEF_TEST
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#define WEAK_TEST
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#endif
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#ifdef PROTECTED_WEAK_TEST
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#define PROTECTED_UNDEF_TEST
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#define WEAK_TEST
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#endif
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#if defined (HIDDEN_UNDEF_TEST) || defined (PROTECTED_UNDEF_TEST)
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#ifdef WEAK_TEST
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#pragma weak visibility
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#endif
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extern int visibility ();
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#else
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int
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visibility ()
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{
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  return 2;
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}
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#endif
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#ifdef HIDDEN_NORMAL_TEST
206
asm (".hidden visibility_normal");
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208
int
209
visibility_normal ()
210
{
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  return 2;
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}
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#endif
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int
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visibility_checkfunptr ()
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{
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#ifdef WEAK_TEST
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  return 1;
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#else
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#ifdef HIDDEN_NORMAL_TEST
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  int (*v) () = visibility_normal;
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#else
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  int (*v) () = visibility;
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#endif
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  return (*v) () == 2;
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#endif
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}
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int
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visibility_check ()
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{
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#ifdef WEAK_TEST
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  if (&visibility)
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    return visibility () == 1;
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  else
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    return 1;
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#else
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#ifdef HIDDEN_NORMAL_TEST
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  return visibility_normal () == 2;
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#else
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  return visibility () == 2;
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#endif
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#endif
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}
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void *
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visibility_funptr ()
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{
250
#ifdef WEAK_TEST
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  if (&visibility == NULL)
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    return NULL;
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  else
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#endif
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    return visibility;
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}
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#if defined (HIDDEN_UNDEF_TEST) || defined (PROTECTED_UNDEF_TEST)
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#ifdef WEAK_TEST
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#pragma weak visibility_var
261
#endif
262
extern int visibility_var;
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#else
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int visibility_var = 2;
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#endif
266
 
267
#ifdef HIDDEN_NORMAL_TEST
268
asm (".hidden visibility_var_normal");
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270
int visibility_var_normal = 2;
271
#endif
272
 
273
int
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visibility_checkvarptr ()
275
{
276
#ifdef WEAK_TEST
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  if (&visibility_var)
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    return visibility_var == 1;
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  else
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    return 1;
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#else
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#ifdef HIDDEN_NORMAL_TEST
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  int *v = &visibility_var_normal;
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#else
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  int *v = &visibility_var;
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#endif
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  return *v == 2;
288
#endif
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}
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291
int
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visibility_checkvar ()
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{
294
#ifdef WEAK_TEST
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  return 1;
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#else
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#ifdef HIDDEN_NORMAL_TEST
298
  return visibility_var_normal == 2;
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#else
300
  return visibility_var == 2;
301
#endif
302
#endif
303
}
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305
void *
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visibility_varptr ()
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{
308
#ifdef WEAK_TEST
309
  if (&visibility_var == NULL)
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    return NULL;
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  else
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#endif
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    return &visibility_var;
314
}
315
 
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int
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visibility_varval ()
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{
319
#ifdef WEAK_TEST
320
  if (&visibility_var == NULL)
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    return 0;
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  else
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#endif
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    return visibility_var;
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}
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327
#if defined (HIDDEN_TEST) || defined (HIDDEN_UNDEF_TEST)
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asm (".hidden visibility");
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asm (".hidden visibility_var");
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#else
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#if defined (PROTECTED_TEST) || defined (PROTECTED_UNDEF_TEST) || defined (PROTECTED_WEAK_TEST)
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asm (".protected visibility");
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asm (".protected visibility_var");
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#endif
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#endif
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337
#ifdef HIDDEN_NORMAL_TEST
338
int shlib_visibility_com;
339
asm (".hidden shlib_visibility_com");
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341
int
342
shlib_visibility_checkcom ()
343
{
344
  return shlib_visibility_com == 0;
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}
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347
int
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shlib_visibility_checkweak ()
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{
350
  return 1;
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}
352
#elif defined (HIDDEN_WEAK_TEST)
353
#pragma weak shlib_visibility_undef_var_weak
354
extern int shlib_visibility_undef_var_weak;
355
asm (".hidden shlib_visibility_undef_var_weak");
356
 
357
#pragma weak shlib_visibility_undef_func_weak
358
extern int shlib_visibility_undef_func_weak ();
359
asm (".hidden shlib_visibility_undef_func_weak");
360
 
361
#pragma weak shlib_visibility_var_weak
362
extern int shlib_visibility_var_weak;
363
asm (".hidden shlib_visibility_var_weak");
364
 
365
#pragma weak shlib_visibility_func_weak
366
extern int shlib_visibility_func_weak ();
367
asm (".hidden shlib_visibility_func_weak");
368
 
369
int
370
shlib_visibility_checkcom ()
371
{
372
  return 1;
373
}
374
 
375
int
376
shlib_visibility_checkweak ()
377
{
378
  return &shlib_visibility_undef_var_weak == NULL
379
         && &shlib_visibility_undef_func_weak == NULL
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         && &shlib_visibility_func_weak == NULL
381
         && &shlib_visibility_var_weak == NULL;
382
}
383
#else
384
int
385
shlib_visibility_checkcom ()
386
{
387
  return 1;
388
}
389
 
390
int
391
shlib_visibility_checkweak ()
392
{
393
  return 1;
394
}
395
#endif
396
 
397
#ifdef PROTECTED_TEST
398
#ifdef SHARED
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int shared_data = 100;
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#else
401
extern int shared_data;
402
#endif
403
 
404
int *
405
shared_data_p ()
406
{
407
  return &shared_data;
408
}
409
 
410
int
411
shared_func ()
412
{
413
  return 100;
414
}
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416
void *
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shared_func_p ()
418
{
419
  return shared_func;
420
}
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#endif

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