Hash even backend-specific directives, unify null functions

Hash all directives, even the ones that are backend-specific,
and instead pass the backend an already-parsed directive number.

Furthermore, unify null functions across various backends.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/output/outelf64.c b/output/outelf64.c
index b797eb8..cf6e378 100644
--- a/output/outelf64.c
+++ b/output/outelf64.c
@@ -1483,13 +1483,14 @@ static int32_t elf_segbase(int32_t segment)
     return segment;
 }
 
-static int elf_directive(char *directive, char *value, int pass)
+static int elf_directive(enum directives directive, char *value, int pass)
 {
     bool err;
     int64_t n;
     char *p;
 
-    if (!strcmp(directive, "osabi")) {
+    switch (directive) {
+    case D_OSABI:
 	if (pass == 2)
 	    return 1;		/* ignore in pass 2 */
 
@@ -1516,9 +1517,10 @@ static int elf_directive(char *directive, char *value, int pass)
 	
 	elf_abiver = n;
 	return 1;
+
+    default:
+	return 0;
     }
-	
-    return 0;
 }
 
 static void elf_filename(char *inname, char *outname, efunc error)