166 lines
2.7 KiB
C
166 lines
2.7 KiB
C
/* This is part of the shared library ld test. This file becomes part
|
|
of a shared library. */
|
|
|
|
/* This variable is supplied by the main program. */
|
|
#ifndef XCOFF_TEST
|
|
extern int mainvar;
|
|
#endif
|
|
|
|
/* This variable is defined in the shared library, and overridden by
|
|
the main program. */
|
|
#ifndef XCOFF_TEST
|
|
int overriddenvar = -1;
|
|
#endif
|
|
|
|
/* This variable is defined in the shared library. */
|
|
int shlibvar1 = 3;
|
|
|
|
/* This variable is defined by another object in the shared library. */
|
|
extern int shlibvar2;
|
|
|
|
/* These functions return the values of the above variables as seen in
|
|
the shared library. */
|
|
|
|
#ifndef XCOFF_TEST
|
|
int
|
|
shlib_mainvar ()
|
|
{
|
|
return mainvar;
|
|
}
|
|
#endif
|
|
|
|
#ifndef XCOFF_TEST
|
|
int
|
|
shlib_overriddenvar ()
|
|
{
|
|
return overriddenvar;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
shlib_shlibvar1 ()
|
|
{
|
|
return shlibvar1;
|
|
}
|
|
|
|
int
|
|
shlib_shlibvar2 ()
|
|
{
|
|
return shlibvar2;
|
|
}
|
|
|
|
/* This function calls a function defined by another object in the
|
|
shared library. */
|
|
|
|
extern int shlib_shlibcalled ();
|
|
|
|
int
|
|
shlib_shlibcall ()
|
|
{
|
|
return shlib_shlibcalled ();
|
|
}
|
|
|
|
#ifndef XCOFF_TEST
|
|
/* This function calls a function defined in this object in the shared
|
|
library. The main program will override the called function. */
|
|
|
|
extern int shlib_overriddencall2 ();
|
|
|
|
int
|
|
shlib_shlibcall2 ()
|
|
{
|
|
return shlib_overriddencall2 ();
|
|
}
|
|
|
|
int
|
|
shlib_overriddencall2 ()
|
|
{
|
|
return 7;
|
|
}
|
|
#endif
|
|
|
|
/* This function calls a function defined by the main program. */
|
|
|
|
#ifndef XCOFF_TEST
|
|
extern int main_called ();
|
|
|
|
int
|
|
shlib_maincall ()
|
|
{
|
|
return main_called ();
|
|
}
|
|
#endif
|
|
|
|
/* This function is passed a function pointer to shlib_mainvar. It
|
|
confirms that the pointer compares equally. */
|
|
|
|
int
|
|
shlib_checkfunptr1 (p)
|
|
int (*p) ();
|
|
{
|
|
return p == shlib_shlibvar1;
|
|
}
|
|
|
|
/* This function is passed a function pointer to main_called. It
|
|
confirms that the pointer compares equally. */
|
|
|
|
#ifndef XCOFF_TEST
|
|
int
|
|
shlib_checkfunptr2 (p)
|
|
int (*p) ();
|
|
{
|
|
return p == main_called;
|
|
}
|
|
#endif
|
|
|
|
/* This function returns a pointer to shlib_mainvar. */
|
|
|
|
int
|
|
(*shlib_getfunptr1 ()) ()
|
|
{
|
|
return shlib_shlibvar1;
|
|
}
|
|
|
|
/* This function returns a pointer to main_called. */
|
|
|
|
#ifndef XCOFF_TEST
|
|
int
|
|
(*shlib_getfunptr2 ()) ()
|
|
{
|
|
return main_called;
|
|
}
|
|
#endif
|
|
|
|
/* This function makes sure that constant data and local functions
|
|
work. */
|
|
|
|
#ifndef __STDC__
|
|
#define const
|
|
#endif
|
|
|
|
static int i = 6;
|
|
static const char *str = "Hello, world\n";
|
|
|
|
int
|
|
shlib_check ()
|
|
{
|
|
const char *s1, *s2;
|
|
|
|
if (i != 6)
|
|
return 0;
|
|
|
|
/* To isolate the test, don't rely on any external functions, such
|
|
as strcmp. */
|
|
s1 = "Hello, world\n";
|
|
s2 = str;
|
|
while (*s1 != '\0')
|
|
if (*s1++ != *s2++)
|
|
return 0;
|
|
if (*s2 != '\0')
|
|
return 0;
|
|
|
|
if (shlib_shlibvar1 () != 3)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|