added end.s

mach/pdp/libem/Makefile

@@ -1,21 +1,26 @@
-all:            head_em.o libem_o.a
+all:            head_em.o libem_o.a end.o
 
 install:	cp
 
 cp:             all
 		../../install head_em.o head_em
 		../../install libem_o.a tail_em
+		../../install end.o end_em
 
 cmp:            all
 		-../../compare head_em.o head_em
 		-../../compare libem_o.a tail_em
+		-../../compare end.o end_em
 
 
 head_em.o:      head_em.s
 		pdp -c head_em.s
 
+end.o:		end.s
+		pdp -c end.s
+
 libem_o.a:	libem_s.a
-		ASAR=ar ; export ASAR ; march . libem_o.a
+		ASAR=aal ; export ASAR ; march . libem_o.a
 
 clean:
 		rm -f *.o libem_o.a

mach/pdp/libem/end.s

@@ -0,0 +1,16 @@
+.define	endtext,enddata,endbss,_etext,_edata,_end
+.sect .text
+.sect .rom
+.sect .data
+.sect .bss
+.sect .end ! only for declaration of _end and endbss.
+
+	.sect .text
+endtext:
+_etext:
+	.sect .data
+enddata:
+_edata:
+	.sect .end
+_end:
+endbss: