Remove trailing white spaces on gas

[deliverable/binutils-gdb.git] / gas / cond.c

diff --git a/gas/cond.c b/gas/cond.c
index 0dd919c32b3d381bcaf2f0beb27a5d6220920d30..c30912334f0639633952914f7d272c104182abb4 100644 (file)
--- a/gas/cond.c
+++ b/gas/cond.c
@@ -1,12 +1,12 @@
 /* cond.c - conditional assembly pseudo-ops, and .include
    Copyright 1990, 1991, 1992, 1993, 1995, 1997, 1998, 2000, 2001, 2002,
-   2003 Free Software Foundation, Inc.
+   2003, 2005, 2006, 2007 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
-   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,
@@ -16,10 +16,11 @@
 
    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.  */
 
 #include "as.h"
+#include "sb.h"
 #include "macro.h"
 
 #include "obstack.h"
@@ -90,7 +91,7 @@ s_ifdef (int test_defined)
   *input_line_pointer = c;
 
   initialize_cframe (&cframe);
-  
+
   if (cframe.dead_tree)
     cframe.ignoring = 1;
   else
@@ -102,7 +103,7 @@ s_ifdef (int test_defined)
         considered to be undefined.  */
       is_defined =
        symbolP != NULL
-       && S_IS_DEFINED (symbolP)
+       && (S_IS_DEFINED (symbolP) || symbol_equated_p (symbolP))
        && S_GET_SEGMENT (symbolP) != reg_section;
 
       cframe.ignoring = ! (test_defined ^ is_defined);
@@ -144,7 +145,7 @@ s_if (int arg)
     }
   else
     {
-      expression (&operand);
+      expression_and_evaluate (&operand);
       if (operand.X_op != O_constant)
        as_bad (_("non-constant expression in \".if\" statement"));
     }
@@ -181,6 +182,40 @@ s_if (int arg)
   demand_empty_rest_of_line ();
 }
 
+/* Performs the .ifb (test_blank == 1) and
+   the .ifnb (test_blank == 0) pseudo op.  */
+
+void
+s_ifb (int test_blank)
+{
+  struct conditional_frame cframe;
+
+  initialize_cframe (&cframe);
+
+  if (cframe.dead_tree)
+    cframe.ignoring = 1;
+  else
+    {
+      int is_eol;
+
+      SKIP_WHITESPACE ();
+      is_eol = is_end_of_line[(unsigned char) *input_line_pointer];
+      cframe.ignoring = (test_blank == !is_eol);
+    }
+
+  current_cframe = ((struct conditional_frame *)
+                   obstack_copy (&cond_obstack, &cframe,
+                                 sizeof (cframe)));
+
+  if (LISTING_SKIP_COND ()
+      && cframe.ignoring
+      && (cframe.previous_cframe == NULL
+         || ! cframe.previous_cframe->ignoring))
+    listing_list (2);
+
+  ignore_rest_of_line ();
+}
+
 /* Get a string for the MRI IFC or IFNC pseudo-ops.  */
 
 static char *
@@ -276,10 +311,10 @@ s_elseif (int arg)
       as_bad (_("\".elseif\" after \".else\""));
       as_bad_where (current_cframe->else_file_line.file,
                    current_cframe->else_file_line.line,
-                   _("here is the previous \"else\""));
+                   _("here is the previous \".else\""));
       as_bad_where (current_cframe->if_file_line.file,
                    current_cframe->if_file_line.line,
-                   _("here is the previous \"if\""));
+                   _("here is the previous \".if\""));
     }
   else
     {
@@ -306,7 +341,7 @@ s_elseif (int arg)
       /* Leading whitespace is part of operand.  */
       SKIP_WHITESPACE ();
 
-      expression (&operand);
+      expression_and_evaluate (&operand);
       if (operand.X_op != O_constant)
        as_bad (_("non-constant expression in \".elseif\" statement"));
 
@@ -379,13 +414,13 @@ s_else (int arg ATTRIBUTE_UNUSED)
     }
   else if (current_cframe->else_seen)
     {
-      as_bad (_("duplicate \"else\""));
+      as_bad (_("duplicate \".else\""));
       as_bad_where (current_cframe->else_file_line.file,
                    current_cframe->else_file_line.line,
-                   _("here is the previous \"else\""));
+                   _("here is the previous \".else\""));
       as_bad_where (current_cframe->if_file_line.file,
                    current_cframe->if_file_line.line,
-                   _("here is the previous \"if\""));
+                   _("here is the previous \".if\""));
     }
   else
     {