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[binutils-gdb] S/390: Add check for length field operand


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c683726541cb8d3ff769f803fd7fae65db5c6f5c

commit c683726541cb8d3ff769f803fd7fae65db5c6f5c
Author: Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Date:   Tue Mar 10 12:41:57 2015 +0100

    S/390: Add check for length field operand
    
    gas/
    2015-03-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
    
    	* gas/config/tc-s390.c (md_gather_operands): Check for valid
    	length field operands.

Diff:
---
 gas/ChangeLog        | 5 +++++
 gas/config/tc-s390.c | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 0a6a4b9..577a1cd 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+	* config/tc-s390.c (md_gather_operands): Check for valid
+	length field operands.
+
 2015-03-10  Michael Perkins  <perkinsmg75@yahoo.co.uk>
 
 	* config/tc-arm.c (parse_operands): Fix bug setting writeback
diff --git a/gas/config/tc-s390.c b/gas/config/tc-s390.c
index 9102c60..5051baf 100644
--- a/gas/config/tc-s390.c
+++ b/gas/config/tc-s390.c
@@ -1216,6 +1216,9 @@ md_gather_operands (char *str,
 	    }
 	  else
 	    {
+	      if ((operand->flags & S390_OPERAND_LENGTH)
+		  && ex.X_op != O_constant)
+		as_fatal (_("invalid length field specified"));
 	      if ((operand->flags & S390_OPERAND_INDEX)
 		  && ex.X_add_number == 0
 		  && warn_areg_zero)


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