* Preliminary support for m88k-coff.

	* configure.in (m88k-*-coff*): New target.  Use coffbfd and
	m88kcoff.
	* config/m88kcoff.mt: New file.
	* read.c (lex_type): New macro LEX_AT to set lex type of '@'.
	(pseudo_set): Handle difference of symbols in different fragments
	by saving the entire expression as the value of the symbol.
	* symbols.c (resolve_symbol_value): Resolve difference
	expressions.
	* config/obj-coffbfd.c (obj_pseudo_table): If TC_M88K, accept
	"sdef" as a synonym for "def".
	* config/obj-coffbfd.h: If TC_M88K, include coff/m88k.h and set
	TARGET_FORMAT.
	(S_IS_LOCAL): Any symbol which includes \001 in the name is local.
	* config/tc-m88k.c, config/tc-m88k.h: Numerous changes to bring
	m88k port up to date, and to add COFF support.

1 files changed, 7 insertions, 6 deletions

diff --git a/gas/read.c b/gas/read.c
index 2a5dabe..c3cb711 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -68,6 +68,11 @@ char *input_line_pointer;	/*->next char of source file to parse. */
 die horribly;
 #endif
 
+#ifndef LEX_AT
+/* The m88k unfortunately uses @ as a label beginner.  */
+#define LEX_AT 0
+#endif
+
 /* used by is_... macros. our ctype[] */
 const char lex_type[256] =
 {
@@ -75,7 +80,7 @@ const char lex_type[256] =
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* PQRSTUVWXYZ[\]^_ */
   0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0,	/* _!"#$%&'()*+,-./ */
   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,	/* 0123456789:;<=>? */
-  0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,	/* @ABCDEFGHIJKLMNO */
+  LEX_AT, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,	/* @ABCDEFGHIJKLMNO */
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 3,	/* PQRSTUVWXYZ[\]^_ */
   0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,	/* `abcdefghijklmno */
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0,	/* pqrstuvwxyz{|}~. */
@@ -1473,11 +1478,7 @@ pseudo_set (symbolP)
 		S_GET_VALUE (exp.X_subtract_symbol);
 	      goto abs;
 	    }
-	  as_bad ("Invalid expression: separation between symbols `%s'",
-		  S_GET_NAME (exp.X_add_symbol));
-	  as_bad (" and `%s' may not be constant",
-		  S_GET_NAME (exp.X_subtract_symbol));
-	  need_pass_2++;
+	  symbolP->sy_value = exp;
 	}
       else
 	{