(ASM_OUTPUT_UNDEF_FUNCTION): Define.

(ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
(ASM_DECLARE_FUNCTION_SIZE): Define.

From-SVN: r8100

diff --git a/gcc/config/mips/iris5.h b/gcc/config/mips/iris5.h
index 62703a1589679e1aefbd6dd69a99227b19ad865c..5290136a7a667bf4b59ef3e48903771c086f6a90 100644 (file)
--- a/gcc/config/mips/iris5.h
+++ b/gcc/config/mips/iris5.h
@@ -110,3 +110,26 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
    in the small data section if the user explicitly asks for it.  */
 #undef MIPS_DEFAULT_GVALUE
 #define MIPS_DEFAULT_GVALUE 0
+
+/* In Irix 5, we must output a `.global name .text' directive for every used
+   but undefined function.  If we don't, the linker may perform an optimization
+   (skipping over the insns that set $gp) when it is unsafe.  This is used
+   indirectly by ASM_OUTPUT_EXTERNAL.  */
+#define ASM_OUTPUT_UNDEF_FUNCTION(FILE, NAME)  \
+do {                                           \
+  fputs ("\t.globl ", FILE);                   \
+  assemble_name (FILE, NAME);                  \
+  fputs (" .text\n", FILE);                    \
+} while (0)
+
+/* Also do this for libcalls.  */
+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
+  mips_output_external_libcall (FILE, XSTR (FUN, 0))
+
+/* This does for functions what ASM_DECLARE_OBJECT_NAME does for variables.
+   This is used indirectly by ASM_OUTPUT_EXTERNAL.  */
+#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)  \
+do {                                                   \
+  tree name_tree = get_identifier (NAME);              \
+  TREE_ASM_WRITTEN (name_tree) = 1;                    \
+} while (0)