gdb: add target_ops::supports_displaced_step

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

diff --git a/gas/macro.h b/gas/macro.h
index cdeea4ad3b475076194090b73dde36766e0248e0..e9bd9e1110cac1c44e5b9feaecd47670774198eb 100644 (file)
--- a/gas/macro.h
+++ b/gas/macro.h
@@ -1,5 +1,5 @@
-/* macro.h - header file for macro support for gas and gasp
-   Copyright (C) 1994, 95, 96, 97, 1998 Free Software Foundation, Inc.
+/* macro.h - header file for macro support for gas
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
 
    Written by Steve and Judy Chamberlain of Cygnus Support,
       sac@cygnus.com
@@ -8,7 +8,7 @@
 
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    GAS is distributed in the hope that it will be useful,
@@ -18,15 +18,56 @@
 
    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. */
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #ifndef MACRO_H
 
 #define MACRO_H
 
-#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 attached to them.  */
+
+enum formal_type
+  {
+    FORMAL_OPTIONAL,
+    FORMAL_REQUIRED,
+    FORMAL_VARARG
+  };
+
+/* 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.  */
+  enum formal_type type;       /* The kind of the formal.  */
+} 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.  */
+  const char *name;                    /* Macro name.  */
+  const char *file;                            /* File the macro was defined in.  */
+  unsigned int line;                   /* Line number of definition.  */
+} macro_entry;
 
 /* Whether any macros have been defined.  */
 
@@ -36,18 +77,20 @@ extern int macro_defined;
 
 extern int macro_nest;
 
-extern int buffer_and_nest
-  PARAMS ((const char *, const char *, sb *, int (*) PARAMS ((sb *))));
-extern void macro_init
-  PARAMS ((int alternate, int mri, int strip_at,
-          int (*) PARAMS ((const char *, int, sb *, int *))));
-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 void delete_macro PARAMS ((const char *));
-extern const char *expand_irp
-  PARAMS ((int, int, sb *, sb *, int (*) PARAMS ((sb *)), int));
+/* The macro hash table.  */
+
+extern struct hash_control *macro_hash;
+
+extern int buffer_and_nest (const char *, const char *, sb *,
+                           size_t (*) (sb *));
+extern void macro_init (int, int, int,
+                       size_t (*) (const char *, size_t, sb *, offsetT *));
+extern void macro_set_alternate (int);
+extern void macro_mri_mode (int);
+extern const char *define_macro (size_t, sb *, sb *, size_t (*) (sb *),
+                                const char *, unsigned int, const char **);
+extern int check_macro (const char *, sb *, const char **, macro_entry **);
+extern void delete_macro (const char *);
+extern const char *expand_irp (int, size_t, sb *, sb *, size_t (*) (sb *));
 
 #endif