Power10 byte reverse instructions

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

diff --git a/gas/expr.h b/gas/expr.h
index bb08ddd027c39f52ad74088a415a58df494fc6fb..c3e617401c4e4d2e4af1680f110fa4f0d60e85b8 100644 (file)
--- a/gas/expr.h
+++ b/gas/expr.h
@@ -1,12 +1,11 @@
 /* expr.h -> header file for expr.c
 /* expr.h -> header file for expr.c

-   Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
-   Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.

 
    This file is part of GAS, the GNU Assembler.
 
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This file is part of GAS, the GNU Assembler.
 
    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,
    any later version.
 
    GAS is distributed in the hope that it will be useful,


@@ -16,8 +15,8 @@
 
    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
 
    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.  */

 
 /*
  * By popular demand, we define a struct to represent an expression.
 
 /*
  * By popular demand, we define a struct to represent an expression.


@@ -136,6 +135,11 @@ typedef struct expressionS {
      when performing arithmetic on these values).
      FIXME: This field is not set very reliably.  */
   unsigned int X_unsigned : 1;
      when performing arithmetic on these values).
      FIXME: This field is not set very reliably.  */
   unsigned int X_unsigned : 1;

+  /* This is used to implement "word size + 1 bit" arithmetic, so that e.g.
+     expressions used with .sleb128 directives can use the full range available
+     for an unsigned word, but can also properly represent all values of a
+     signed word.  */
+  unsigned int X_extrabit : 1;

 
   /* 7 additional bits can be defined if needed.  */
 
 
   /* 7 additional bits can be defined if needed.  */
 


@@ -143,8 +147,17 @@ typedef struct expressionS {
   unsigned short X_md;
 } expressionS;
 
   unsigned short X_md;
 } expressionS;
 

+enum expr_mode
+{
+  expr_evaluate,
+  expr_normal,
+  expr_defer
+};
+

 /* "result" should be type (expressionS *).  */
 /* "result" should be type (expressionS *).  */

-#define expression(result) expr (0, result)
+#define expression(result) expr (0, result, expr_normal)
+#define expression_and_evaluate(result) expr (0, result, expr_evaluate)
+#define deferred_expression(result) expr (0, result, expr_defer)

 
 /* If an expression is O_big, look here for its value. These common
    data may be clobbered whenever expr() is called.  */
 
 /* If an expression is O_big, look here for its value. These common
    data may be clobbered whenever expr() is called.  */


@@ -157,16 +170,22 @@ extern LITTLENUM_TYPE generic_bignum[];
 
 typedef char operator_rankT;
 
 
 typedef char operator_rankT;
 

-extern char get_symbol_end PARAMS ((void));
-extern void expr_begin PARAMS ((void));
-extern void expr_set_precedence PARAMS ((void));
-extern segT expr PARAMS ((int rank, expressionS * resultP));
-extern unsigned int get_single_number PARAMS ((void));
-extern symbolS *make_expr_symbol PARAMS ((expressionS * expressionP));
-extern int expr_symbol_where
-  PARAMS ((symbolS *, char **, unsigned int *));
-
-extern symbolS *expr_build_uconstant PARAMS ((offsetT));
-extern symbolS *expr_build_unary PARAMS ((operatorT, symbolS *));
-extern symbolS *expr_build_binary PARAMS ((operatorT, symbolS *, symbolS *));
-extern symbolS *expr_build_dot PARAMS ((void));
+extern char get_symbol_name (char **);
+extern char restore_line_pointer (char);
+extern void expr_begin (void);
+extern void expr_set_precedence (void);
+extern void expr_set_rank (operatorT, operator_rankT);
+extern void add_to_result (expressionS *, offsetT, int);
+extern void subtract_from_result (expressionS *, offsetT, int);
+extern segT expr (int, expressionS *, enum expr_mode);
+extern unsigned int get_single_number (void);
+extern symbolS *make_expr_symbol (expressionS * expressionP);
+extern int expr_symbol_where (symbolS *, const char **, unsigned int *);
+extern void current_location (expressionS *);
+
+extern symbolS *expr_build_uconstant (offsetT);
+extern symbolS *expr_build_dot (void);
+
+int resolve_expression (expressionS *);
+
+extern bfd_boolean literal_prefix_dollar_hex;