Build infrastructure for elftoolchain tools

Set WITH_ELFTOOLCHAIN_TOOLS in src.conf to use the elftoolchain version
of the following tools:

 * addr2line
 * elfcopy (strip / mcs)
 * nm
 * size
 * strings

Reviewed by:	bapt (earlier version)
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D1224

Makefile.inc1

@@ -1415,6 +1415,14 @@ _kgzip=		usr.sbin/kgzip
 # If we're given an XAS, don't build binutils.
 .if ${XAS:M/*} == "" && ${MK_BINUTILS_BOOTSTRAP} != "no"
 _binutils=	gnu/usr.bin/binutils
+.if ${MK_ELFTOOLCHAIN_TOOLS} != "no"
+_elftctools=	lib/libelftc \
+		usr.bin/addr2line \
+		usr.bin/elfcopy \
+		usr.bin/nm \
+		usr.bin/size \
+		usr.bin/strings
+.endif
 .endif
 
 # If an full path to an external cross compiler is given, don't build
@@ -1434,6 +1442,7 @@ cross-tools: .MAKE
     ${_clang_libs} \
     ${_clang} \
     ${_binutils} \
+    ${_elftctools} \
     ${_cc} \
     usr.bin/xlint/lint1 usr.bin/xlint/lint2 usr.bin/xlint/xlint \
     ${_btxld} \
@@ -1491,6 +1500,7 @@ native-xtools: .MAKE
     ${_clang_tblgen} \
     usr.bin/ar \
     ${_binutils} \
+    ${_elftctools} \
     ${_cc} \
     ${_gcc_tools} \
     ${_clang_libs} \
@@ -2045,6 +2055,7 @@ _xb-build-tools:
 _xb-cross-tools:
 .for _tool in \
     ${_binutils} \
+    ${_elftctools} \
     usr.bin/ar \
     ${_clang_libs} \
     ${_clang} \
@@ -2077,6 +2088,7 @@ _xi-cross-tools:
 	@echo "_xi-cross-tools"
 .for _tool in \
     ${_binutils} \
+    ${_elftctools} \
     usr.bin/ar \
     ${_clang_libs} \
     ${_clang} \

gnu/usr.bin/binutils/Makefile

@@ -1,19 +1,29 @@
 # $FreeBSD$
 
+.include <src.opts.mk>
+
 SUBDIR=	libiberty \
 	libbfd \
 	libopcodes \
 	libbinutils \
-	addr2line \
+	${_addr2line} \
 	as \
 	ld \
-	nm \
+	${_nm} \
 	objcopy \
 	objdump \
 	readelf \
-	size \
+	${_size} \
-	strings \
+	${_strings} \
-	strip \
+	${_strip} \
 	doc
+	
+.if ${MK_ELFTOOLCHAIN_TOOLS} == "no"
+_addr2line=	addr2line
+_nm=		nm
+_size=		size
+_strings=	strings
+_strip=		strip
+.endif
 
 .include <bsd.subdir.mk>

lib/Makefile

@@ -45,6 +45,7 @@ SUBDIR=	${SUBDIR_ORDERED} \
 	libdpv \
 	libdwarf \
 	libedit \
+	${_libelftc} \
 	${_libevent} \
 	libexecinfo \
 	libexpat \
@@ -190,6 +191,10 @@ _clang=		clang
 _cuse=		libcuse
 .endif
 
+.if ${MK_ELFTOOLCHAIN_TOOLS} != "no"
+_libelftc=	libelftc
+.endif
+
 .if ${MK_GPIB} != "no"
 _libgpib=	libgpib
 .endif

lib/libelftc/Makefile

@@ -0,0 +1,30 @@
+# $FreeBSD$
+.include <bsd.own.mk>
+
+INTERNALLIB=
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+
+.PATH:	${ELFTCDIR}/libelftc
+
+LIB=	elftc
+
+SRCS=	elftc_bfdtarget.c                       \
+	elftc_copyfile.c                        \
+	elftc_demangle.c                        \
+	elftc_set_timestamps.c                  \
+	elftc_string_table.c                    \
+	elftc_version.c                         \
+	libelftc_bfdtarget.c                    \
+	libelftc_dem_arm.c                      \
+	libelftc_dem_gnu2.c                     \
+	libelftc_dem_gnu3.c                     \
+	libelftc_hash.c                         \
+	libelftc_vstr.c
+
+INCS=	libelftc.h
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+NO_MAN=	yes
+
+.include <bsd.lib.mk>

lib/libelftc/elftc_version.c

@@ -0,0 +1,10 @@
+/* $FreeBSD$ */
+
+#include <sys/types.h>
+#include <libelftc.h>
+
+const char *
+elftc_version(void)
+{
+	return "libelftc r2974";
+}

share/mk/src.libnames.mk

@@ -27,6 +27,7 @@ _INTERNALIBS=	\
 		amu \
 		bsnmptools \
 		cron \
+		elftc \
 		event \
 		fifolog \
 		ipf \
@@ -286,6 +287,10 @@ LIBATF_CXX?=	${LIBATF_CXXDIR}/libatf-c++.a
 LIBBSDSTATDIR=	${ROOTOBJDIR}/lib/libbsdstat
 LIBBSDSTAT?=	${LIBBSDSTATDIR}/libbsdstat.a
 
+LIBELFTCDIR=	${ROOTOBJDIR}/lib/libelftc
+LDELFTC?=	${LIBELFTCDIR}/libelftc.a
+LIBELFTC?=	${LIBELFTCDIR}/libelftc.a
+
 LIBEVENTDIR=	${ROOTOBJDIR}/lib/libevent
 LIBEVENT?=	${LIBEVENTDIR}/libevent.a
 

share/mk/src.opts.mk

@@ -160,6 +160,7 @@ __DEFAULT_NO_OPTIONS = \
     BSD_GREP \
     CLANG_EXTRAS \
     EISA \
+    ELFTOOLCHAIN_TOOLS \
     FMAKE \
     HESIOD \
     LLDB \

tools/build/options/WITH_ELFTOOLCHAIN_TOOLS

@@ -0,0 +1,9 @@
+.\" $FreeBSD$
+Set to use
+.Xr addr2line 1 ,
+.Xr nm 1 ,
+.Xr size 1 ,
+.Xr strings 1 ,
+and
+.Xr strip 1
+from the elftoolchain project instead of GNU binutils.

usr.bin/Makefile

@@ -9,7 +9,8 @@
 # Moved to secure: bdes
 #
 
-SUBDIR=	alias \
+SUBDIR=	${_addr2line} \
+	alias \
 	apply \
 	asa \
 	awk \
@@ -41,6 +42,7 @@ SUBDIR=	alias \
 	du \
 	ee \
 	elf2aout \
+	${_elfcopy} \
 	elfdump \
 	enigma \
 	env \
@@ -119,6 +121,7 @@ SUBDIR=	alias \
 	nfsstat \
 	nice \
 	nl \
+	${_nm} \
 	nohup \
 	opieinfo \
 	opiekey \
@@ -150,12 +153,14 @@ SUBDIR=	alias \
 	seq \
 	shar \
 	showmount \
+	${_size} \
 	sockstat \
 	soeliminate \
 	sort \
 	split \
 	stat \
 	stdbuf \
+	${_strings} \
 	su \
 	systat \
 	tabs \
@@ -236,6 +241,14 @@ SUBDIR+=	calendar
 _clang=		clang
 .endif
 
+.if ${MK_ELFTOOLCHAIN_TOOLS} != "no"
+_addr2line=	addr2line
+_elfcopy=	elfcopy
+_nm=		nm
+_size=		size
+_strings=	strings
+.endif
+
 .if ${MK_FMAKE} != "no"
 SUBDIR+=	make
 .endif

usr.bin/addr2line/Makefile

@@ -0,0 +1,16 @@
+# $FreeBSD$
+
+.include <src.opts.mk>
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+ADDR2LINEDIR=	${ELFTCDIR}/addr2line
+
+.PATH: ${ADDR2LINEDIR}
+
+PROG=	addr2line
+
+LIBADD=	elftc dwarf elf
+
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+.include <bsd.prog.mk>

usr.bin/elfcopy/Makefile

@@ -0,0 +1,24 @@
+# $FreeBSD$
+
+.include <src.opts.mk>
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+ELFCOPYDIR=	${ELFTCDIR}/elfcopy
+
+.PATH: ${ELFCOPYDIR}
+
+PROG=	elfcopy
+
+SRCS=	archive.c ascii.c binary.c main.c sections.c segments.c symbols.c
+
+WARNS?=	5
+
+LIBADD=	archive elftc elf
+
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+MAN=	elfcopy.1 strip.1
+
+LINKS=	${BINDIR}/elfcopy ${BINDIR}/strip
+
+.include <bsd.prog.mk>

usr.bin/nm/Makefile

@@ -0,0 +1,16 @@
+# $FreeBSD$
+
+.include <src.opts.mk>
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+NMDIR=		${ELFTCDIR}/nm
+
+.PATH: ${NMDIR}
+
+PROG=	nm
+
+LIBADD=	dwarf elftc elf
+
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+.include <bsd.prog.mk>

usr.bin/size/Makefile

@@ -0,0 +1,16 @@
+# $FreeBSD$
+
+.include <src.opts.mk>
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+SIZEDIR=	${ELFTCDIR}/size
+
+.PATH: ${SIZEDIR}
+
+PROG=	size
+
+LIBADD=	elftc elf
+
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+.include <bsd.prog.mk>

usr.bin/strings/Makefile

@@ -0,0 +1,15 @@
+# $FreeBSD$
+
+.include <src.opts.mk>
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+
+.PATH: ${ELFTCDIR}/strings
+
+PROG=	strings
+
+LIBADD=	elftc elf
+
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+.include <bsd.prog.mk>