* coff-rs6000.c: (xcoff_rtype2howto): Don't place reloc address in

[deliverable/binutils-gdb.git] / gas / macro.h

diff --git a/gas/macro.h b/gas/macro.h
index cdeea4ad3b475076194090b73dde36766e0248e0..b9dc2d031eb2669a35833357d582e82da5c9d1f5 100644 (file)
--- a/gas/macro.h
+++ b/gas/macro.h
@@ -1,5 +1,6 @@
 /* macro.h - header file for macro support for gas and gasp
-   Copyright (C) 1994, 95, 96, 97, 1998 Free Software Foundation, Inc.
+   Copyright 1994, 1995, 1996, 1997, 1998, 2000
+   Free Software Foundation, Inc.
 
    Written by Steve and Judy Chamberlain of Cygnus Support,
       sac@cygnus.com
@@ -19,7 +20,7 @@
    You should have received a copy of the GNU General Public License
    along with GAS; see the file COPYING.  If not, write to the Free
    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA. */
+   02111-1307, USA.  */
 
 #ifndef MACRO_H
 
@@ -28,6 +29,38 @@
 #include "ansidecl.h"
 #include "sb.h"
 
+/* Structures used to store macros.
+
+   Each macro knows its name and included text.  It gets built with a
+   list of formal arguments, and also keeps a hash table which points
+   into the list to speed up formal search.  Each formal knows its
+   name and its default value.  Each time the macro is expanded, the
+   formals get the actual values attatched to them.  */
+
+/* describe the formal arguments to a macro */
+
+typedef struct formal_struct {
+  struct formal_struct *next;  /* next formal in list */
+  sb name;                     /* name of the formal */
+  sb def;                      /* the default value */
+  sb actual;                   /* the actual argument (changed on each expansion) */
+  int index;                   /* the index of the formal 0..formal_count-1 */
+} formal_entry;
+
+/* Other values found in the index field of a formal_entry.  */
+#define QUAL_INDEX (-1)
+#define NARG_INDEX (-2)
+#define LOCAL_INDEX (-3)
+
+/* describe the macro.  */
+
+typedef struct macro_struct {
+  sb sub;                      /* substitution text.  */
+  int formal_count;            /* number of formal args.  */
+  formal_entry *formals;       /* pointer to list of formal_structs */
+  struct hash_control *formal_hash; /* hash table of formals.  */
+} macro_entry;
+
 /* Whether any macros have been defined.  */
 
 extern int macro_defined;
@@ -45,7 +78,8 @@ extern void macro_mri_mode PARAMS ((int));
 extern const char *define_macro
   PARAMS ((int idx, sb *in, sb *label, int (*get_line) PARAMS ((sb *)),
           const char **namep));
-extern int check_macro PARAMS ((const char *, sb *, int, const char **));
+extern int check_macro PARAMS ((const char *, sb *, int, const char **,
+                               macro_entry **));
 extern void delete_macro PARAMS ((const char *));
 extern const char *expand_irp
   PARAMS ((int, int, sb *, sb *, int (*) PARAMS ((sb *)), int));