Index: stand/efi/Makefile.inc
===================================================================
--- stand/efi/Makefile.inc
+++ stand/efi/Makefile.inc
@@ -1,3 +1,5 @@
+.include <src.opts.mk>
+
 # Options used when building app-specific efi components
 # See conf/kern.mk for the correct set of these
 CFLAGS+=	-Wformat
@@ -26,6 +28,11 @@
 .else
 EFI_TARGET=	binary
 .endif
+.if ${MK_LLVM_BINUTILS} != no
+EFI_OBJCOPY?=	elftc-objcopy
+.else
+EFI_OBJCOPY?=	${OBJCOPY}
+.endif
 
 # Arbitrarily set the PE/COFF header timestamps to 1 Jan 2024 00:00:00
 # for build reproducibility.
Index: stand/efi/boot1/Makefile
===================================================================
--- stand/efi/boot1/Makefile
+++ stand/efi/boot1/Makefile
@@ -96,7 +96,7 @@
 		exit 1; \
 	fi
 	SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH} \
-	${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
+	${EFI_OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
 		-j .dynamic -j .dynsym -j .rel.dyn \
 		-j .rela.dyn -j .reloc -j .eh_frame \
 		--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
Index: stand/efi/loader/Makefile
===================================================================
--- stand/efi/loader/Makefile
+++ stand/efi/loader/Makefile
@@ -128,7 +128,7 @@
 		exit 1; \
 	fi
 	SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH} \
-	${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
+	${EFI_OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
 		-j .dynamic -j .dynsym -j .rel.dyn \
 		-j .rela.dyn -j .reloc -j .eh_frame -j set_Xcommand_set \
 		-j set_X${LOADER_INTERP}_compile_set \
Index: usr.bin/Makefile
===================================================================
--- usr.bin/Makefile
+++ usr.bin/Makefile
@@ -245,7 +245,6 @@
 SUBDIR.${MK_TOOLCHAIN}+=	addr2line
 SUBDIR.${MK_TOOLCHAIN}+=	ar
 SUBDIR.${MK_TOOLCHAIN}+=	nm
-SUBDIR.${MK_TOOLCHAIN}+=	objcopy
 SUBDIR.${MK_TOOLCHAIN}+=	readelf
 SUBDIR.${MK_TOOLCHAIN}+=	size
 SUBDIR+=			strings
@@ -262,6 +261,8 @@
 SUBDIR.${MK_TOOLCHAIN}+=	lex
 SUBDIR.${MK_TOOLCHAIN}+=	lorder
 SUBDIR.${MK_TOOLCHAIN}+=	mkstr
+# ELF Tool Chain objcopy required for EFI objects (PR280771)
+SUBDIR.${MK_TOOLCHAIN}+=	objcopy
 SUBDIR.${MK_TOOLCHAIN}+=	rpcgen
 SUBDIR.${MK_TOOLCHAIN}+=	unifdef
 SUBDIR.${MK_TOOLCHAIN}+=	xstr
Index: usr.bin/objcopy/Makefile
===================================================================
--- usr.bin/objcopy/Makefile
+++ usr.bin/objcopy/Makefile
@@ -7,12 +7,24 @@
 
 .PATH: ${ELFCOPYDIR}
 
+.if ${MK_LLVM_BINUTILS} != "no"
+
+PROG=	elftc-objcopy
+MAN=
+
+.else
+
 PROG=	objcopy
+LINKS=	${BINDIR}/${PROG} ${BINDIR}/strip
+MAN=	${PROG}.1 strip.1
+
 objcopy.1: elfcopy.1
 	sed -e 's/\.Dt ELFCOPY 1/.Dt OBJCOPY 1/' \
 	    -e '/\.Nm elfcopy ,/d' < ${.ALLSRC} > ${.TARGET}
 CLEANFILES+= objcopy.1
 
+.endif # MK_LLVM_BINUTILS != no
+
 SRCS=	archive.c ascii.c binary.c main.c pe.c sections.c segments.c symbols.c
 
 WARNS?=	5
@@ -22,9 +34,7 @@
 CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/libpe -I${ELFTCDIR}/common
 CFLAGS+=-DWITH_PE=1
 
-MAN=	${PROG}.1 strip.1
 
-LINKS=	${BINDIR}/${PROG} ${BINDIR}/strip
 
 # This same hack is in lib/libelf/Makefile and usr.bin/readelf/Makefile
 # We need to link against the correct version of these files. One