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[libmach] Remove objsync()

It is not sure if this function is needed.

--- a/include/scc/scc/mach.h

+++ b/include/scc/scc/mach.h

@@ -82,5 +82,4 @@

 /* TODO */

 extern int objaddseg(Obj *obj, void *seg);

-extern int objsync(Obj *obj);

 extern int objreloc(Obj *obj, char *sect, void *rel);

--- a/src/cmd/ld/pass5.c

+++ b/src/cmd/ld/pass5.c

@@ -47,6 +47,5 @@

 	/* TODO: write line information */

 	fp = fopen(output, "wb");

-	objsync(obj);

 	(obj->ops->write)(obj, fp);

 }

--- a/src/libmach/coff32/Makefile

+++ b/src/libmach/coff32/Makefile

@@ -15,7 +15,6 @@

        coff32xgetidx.o \

        coff32setidx.o \

        coff32getidx.o \

-       coff32sync.o \

        coff32addr2line.o \

 all: $(OBJS)

--- a/src/libmach/coff32/coff32sync.c

+++ /dev/null

@@ -1,10 +1,0 @@

-#include <stdio.h>

-

-#include <scc/mach.h>

-

-#include "../libmach.h"

-

-int

-coff32sync(Obj *obj)

-{

-}

--- a/src/libmach/libmach.h

+++ b/src/libmach/libmach.h

@@ -33,7 +33,6 @@

 extern int coff32probe(unsigned char *buf, char **name);

 extern char *coff32namidx(void);

-extern int coff32sync(Obj *obj);

 /* globals */

 extern Objops *objops[];

--- a/src/libmach/objsync.c

+++ /dev/null

@@ -1,20 +1,0 @@

-#include <stdio.h>

-

-#include <scc/mach.h>

-

-#include "libmach.h"

-

-static int (*funv[])(Obj *) = {

-	[COFF32] = coff32sync,

-};

-

-int

-objsync(Obj *obj)

-{

-	int fmt;

-

-	fmt = FORMAT(obj->type);

-	if (fmt >= NFORMATS)

-		return -1;

-	return (*funv[fmt])(obj);

-}