ofmt: Alias shortname must be used for __OUTPUT_FORMAT__ macro

__OUTPUT_FORMAT__ must consist of shortname of output format
or its alias, otherwise userspace ABI gets broken.

For example source code still can refer to __OUTPUT_FORMAT__=elf,
instead of __OUTPUT_FORMAT__=elf32.

BR3246990

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/nasm.h b/nasm.h
index f78ed0f..ff77553 100644
--- a/nasm.h
+++ b/nasm.h
@@ -1,6 +1,6 @@
 /* ----------------------------------------------------------------------- *
  *   
- *   Copyright 1996-2009 The NASM Authors - All Rights Reserved
+ *   Copyright 1996-2011 The NASM Authors - All Rights Reserved
  *   See the file AUTHORS included with the NASM distribution for
  *   the specific copyright holders.
  *
@@ -754,6 +754,15 @@ struct ofmt {
     void (*cleanup) (int debuginfo);
 };
 
+/*
+ * Output format driver alias
+ */
+struct ofmt_alias {
+    const char  *shortname;
+    const char  *fullname;
+    struct ofmt *ofmt;
+};
+
 extern struct ofmt *ofmt;
 extern FILE *ofile;