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>

2 files changed, 10 insertions, 10 deletions

diff --git a/output/outform.c b/output/outform.c
index e386343..0c8ae53 100644
--- a/output/outform.c
+++ b/output/outform.c
@@ -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.
  *
@@ -47,11 +47,13 @@
 #define BUILD_DRIVERS_ARRAY
 #include "output/outform.h"
 
-struct ofmt *ofmt_find(char *name)
+struct ofmt *ofmt_find(char *name, struct ofmt_alias **ofmt_alias)
 {
     struct ofmt **ofp, *of;
     unsigned int i;
 
+    *ofmt_alias = NULL;
+
     /* primary targets first */
     for (ofp = drivers; (of = *ofp); ofp++) {
         if (!nasm_stricmp(name, of->shortname))
@@ -61,8 +63,10 @@ struct ofmt *ofmt_find(char *name)
     /* lets walk thru aliases then */
     for (i = 0; i < ARRAY_SIZE(ofmt_aliases); i++) {
         if (ofmt_aliases[i].shortname &&
-            !nasm_stricmp(name, ofmt_aliases[i].shortname))
+            !nasm_stricmp(name, ofmt_aliases[i].shortname)) {
+            *ofmt_alias = &ofmt_aliases[i];
             return ofmt_aliases[i].ofmt;
+        }
     }
 
     return NULL;
diff --git a/output/outform.h b/output/outform.h
index e703d99..4b809b7 100644
--- a/output/outform.h
+++ b/output/outform.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.
  *
@@ -330,11 +330,7 @@ static struct ofmt *drivers[] = {
     NULL
 };
 
-static struct ofmt_alias {
-    const char *shortname;
-    const char *fullname;
-    struct ofmt *ofmt;
-} ofmt_aliases[] = {
+static struct ofmt_alias ofmt_aliases[] = {
 #ifdef OF_ELF32
     {
         "elf",
@@ -361,7 +357,7 @@ static struct ofmt_alias {
 
 #endif /* BUILD_DRIVERS_ARRAY */
 
-struct ofmt *ofmt_find(char *);
+struct ofmt *ofmt_find(char *name, struct ofmt_alias **ofmt_alias);
 struct dfmt *dfmt_find(struct ofmt *, char *);
 void ofmt_list(struct ofmt *, FILE *);
 void dfmt_list(struct ofmt *ofmt, FILE * fp);