1 files changed, 46 insertions, 0 deletions
diff --git a/devel/avr-gcc-3/files/patch-misspelled-signames b/devel/avr-gcc-3/files/patch-misspelled-signames
new file mode 100644
index 000000000000..cc4df593fea6
--- /dev/null
+++ b/devel/avr-gcc-3/files/patch-misspelled-signames
@@ -0,0 +1,46 @@
+2004-05-12  Theodore A. Roth  <troth@openavr.org>
+
+	* gcc/config/avr/avr.c (avr_handle_fndecl_attribute): Generate a
+	warning if the function name does not begin with "__vector" and the
+	function has either the 'signal' or 'interrupt' attribute.
+
+Index: gcc/config/avr/avr.c
+===================================================================
+RCS file: /cvsroot/gcc/gcc/gcc/config/avr/avr.c,v
+retrieving revision 1.118
+diff -u -p -p -r1.118 avr.c
+--- gcc/config/avr/avr.c	13 Mar 2004 06:43:30 -0000	1.118
++++ gcc/config/avr/avr.c	12 May 2004 19:40:28 -0000
+@@ -4566,6 +4559,32 @@ avr_handle_fndecl_attribute (tree *node,
+       warning ("`%s' attribute only applies to functions",
+ 	       IDENTIFIER_POINTER (name));
+       *no_add_attrs = true;
++    }
++  else
++    {
++      const char *func_name = IDENTIFIER_POINTER (DECL_NAME (*node));
++      const char *attr = IDENTIFIER_POINTER (name);
++
++      /* If the function has the 'signal' or 'interrupt' attribute, test to
++         make sure that the name of the function is "__vector_NN" so as to
++         catch when the user misspells the interrupt vector name.  */
++
++      if (strncmp (attr, "interrupt", strlen ("interrupt")) == 0)
++        {
++          if (strncmp (func_name, "__vector", strlen ("__vector")) != 0)
++            {
++              warning ("`%s' appears to be a misspelled interrupt handler",
++                       func_name);
++            }
++        }
++      else if (strncmp (attr, "signal", strlen ("signal")) == 0)
++        {
++          if (strncmp (func_name, "__vector", strlen ("__vector")) != 0)
++            {
++              warning ("`%s' appears to be a misspelled signal handler",
++                       func_name);
++            }
++        }
+     }
+ 
+   return NULL_TREE;