avr.c (asm_output_section_name): output section attributes.

	* config/avr/avr.c (asm_output_section_name): output section
	attributes.
	* config/avr/libgcc.S (.text.libgcc): declare section attributes.

From-SVN: r34445

gcc/ChangeLog

+Wed Jun  7 20:34:33 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (asm_output_section_name): output section
+	attributes.
+	* config/avr/libgcc.S (.text.libgcc): declare section attributes.
+
 2000-06-06  James E. Wilson  <wilson@cygnus.com>
 
 	* frame.h (struct unwind_info_ptr): Collapse version, flags, and length

gcc/config/avr/avr.c

@@ -3206,16 +3206,20 @@ unique_section (decl, reloc)
 }
 
 
-/* Output section name to file FILE */
+/* Output section name to file FILE
+   We make the section read-only and executable for a function decl,
+   read-only for a const data decl, and writable for a non-const data decl.  */
 
 void
 asm_output_section_name(file, decl, name, reloc)
      FILE *file;
-     tree decl ATTRIBUTE_UNUSED;
+     tree decl;
      const char *name;
      int reloc ATTRIBUTE_UNUSED;
 {
-  fprintf (file, ".section %s\n", name);
+  fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", name, \
+	   decl && TREE_CODE (decl) == FUNCTION_DECL ? "ax" :
+	   decl && TREE_READONLY (decl) ? "a" : "aw");
 }
 
 

gcc/config/avr/libgcc.S

@@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA.  */
 #define __SP_H__ 0x3e
 #define __SP_L__ 0x3d
 
-	.section .text.libgcc
+	.section .text.libgcc, "ax", @progbits
 	
 /*******************************************************
                Multiplication  8 x 8