2000-05-13 H.J. Lu (hjl@gnu.org)

	* lib/ld-lib.exp (default_ld_link): Redirect the linker output
	to link_output and make it global.

	* ld-elfvsb/elf-offset.ld: New. ELF visibility fearture
	tests.
	* ld-elfvsb/elfvsb.dat: Likewise.
	* ld-elfvsb/elfvsb.exp: Likewise.
	* ld-elfvsb/main.c: Likewise.
	* ld-elfvsb/sh1.c: Likewise.
	* ld-elfvsb/sh2.c: Likewise.

1 files changed, 215 insertions, 0 deletions

diff --git a/ld/testsuite/ld-elfvsb/sh1.c b/ld/testsuite/ld-elfvsb/sh1.c
new file mode 100644
index 0000000..c4bdcc7
--- /dev/null
+++ b/ld/testsuite/ld-elfvsb/sh1.c
@@ -0,0 +1,215 @@
+/* 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;
+}
+
+int
+visibility ()
+{
+  return 2;
+}
+
+#ifdef HIDDEN_NORMAL_TEST
+asm (".hidden visibility_normal");
+
+int
+visibility_normal ()
+{
+  return 2;
+}
+#endif
+
+int
+visibility_checkfunptr ()
+{
+#ifdef HIDDEN_NORMAL_TEST
+  int (*v) () = visibility_normal;
+#else
+  int (*v) () = visibility;
+#endif
+  return (*v) () == 2;
+}
+
+int
+visibility_check ()
+{
+#ifdef HIDDEN_NORMAL_TEST
+  return visibility_normal () == 2;
+#else
+  return visibility () == 2;
+#endif
+}
+
+void *
+visibility_funptr ()
+{
+  return visibility;
+}
+
+#ifdef HIDDEN_TEST
+asm (".hidden visibility");
+#else
+asm (".protected visibility");
+#endif