Add compiler support for the ARM EABI.

ARM EABI support is disabled by default and can be enabled by setting
WITH_ARM_EABI when building, however only the kernel-toolchain target will
work with this flag until the rest of the support is added.

16 files changed, 69 insertions, 12 deletions

diff --git a/gnu/lib/csu/Makefile b/gnu/lib/csu/Makefile
index a65be66..1efe865 100644
--- a/gnu/lib/csu/Makefile
+++ b/gnu/lib/csu/Makefile
@@ -24,6 +24,10 @@ CFLAGS+=	-I${GCCLIB}/include -I${GCCDIR}/config -I${GCCDIR} -I. \
 CRTS_CFLAGS=	-DCRTSTUFFS_O -DSHARED ${PICFLAG}
 MKDEP=		-DCRT_BEGIN
 
+.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+CFLAGS+=	-DTARGET_ARM_EABI
+.endif
+
 .if ${MACHINE_CPUARCH} == "ia64"
 BEGINSRC=	crtbegin.asm
 ENDSRC=		crtend.asm
diff --git a/gnu/lib/libgcc/Makefile b/gnu/lib/libgcc/Makefile
index c07ae87..73d9213 100644
--- a/gnu/lib/libgcc/Makefile
+++ b/gnu/lib/libgcc/Makefile
@@ -15,6 +15,10 @@ MK_SSP=	no
 
 .include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
 
+.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+CFLAGS+=	-DTARGET_ARM_EABI
+.endif
+
 .if ${TARGET_CPUARCH} == "mips"
 LIB=		gcc
 .endif
@@ -55,10 +59,13 @@ LIB2FUNCS+= _fixuns${mode}si
 .endfor
 
 # Likewise double-word routines.
+.if ${TARGET_CPUARCH} != "arm" || ${MK_ARM_EABI} == "no"
+# These are implemented in an ARM specific file but will not be filtered out
 .for mode in sf df xf tf
 LIB2FUNCS+= _fix${mode}di _fixuns${mode}di
 LIB2FUNCS+= _floatdi${mode} _floatundi${mode}
 .endfor
+.endif
 
 LIB2ADD = $(LIB2FUNCS_EXTRA)
 LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
@@ -115,15 +122,14 @@ CFLAGS+=	-fheinous-gnu-extensions
 
 LIB1ASMSRC =	lib1funcs.asm
 LIB1ASMFUNCS =  _dvmd_tls _bb_init_func
-LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
+.if ${MK_ARM_EABI} != "no"
+LIB1ASMFUNCS+=	_addsubdf3 _addsubsf3 _cmpdf2 _cmpsf2 _fixdfsi _fixsfsi \
+		_fixunsdfsi _fixunsdfsi _muldivdf3 _muldivsf3 _udivsi3
 
-# Not now
-#LIB1ASMFUNCS =  _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
-#LIB1ASMFUNCS+=	_call_via_rX _interwork_call_via_rX \
-#	_lshrdi3 _ashrdi3 _ashldi3 \
-#	_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
-#	_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
-#	_fixsfsi _fixunssfsi _floatdidf _floatdisf
+LIB2ADDEH =	unwind-arm.c libunwind.S pr-support.c unwind-c.c
+.else
+LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
+.endif
 .endif
 
 .if ${TARGET_CPUARCH} == mips
@@ -329,6 +335,9 @@ CLEANFILES += cs-*.h option*
 SHLIB_MKMAP      = ${GCCDIR}/mkmap-symver.awk
 SHLIB_MKMAP_OPTS =
 SHLIB_MAPFILES   = ${GCCDIR}/libgcc-std.ver
+.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+SHLIB_MAPFILES  += ${GCCDIR}/config/arm/libgcc-bpabi.ver
+.endif
 VERSION_MAP      = libgcc.map
 
 libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS} ${OBJS:R:S/$/.So/}
diff --git a/gnu/lib/libgcov/Makefile b/gnu/lib/libgcov/Makefile
index 680cdbf..dbefca2 100644
--- a/gnu/lib/libgcov/Makefile
+++ b/gnu/lib/libgcov/Makefile
@@ -15,6 +15,11 @@ CFLAGS+=	-DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED
 CFLAGS+=	-D_PTHREADS -DGTHREAD_USE_WEAK
 CFLAGS+=	-I${.CURDIR}/../../usr.bin/cc/cc_tools \
 		-I${GCCLIB}/include -I${GCCDIR}/config -I${GCCDIR} -I.
+
+.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+CFLAGS+=	-DTARGET_ARM_EABI
+.endif
+
 #
 # Library members defined in libgcov.c.
 # Defined in libgcov.c, included only in gcov library
diff --git a/gnu/lib/libstdc++/Makefile b/gnu/lib/libstdc++/Makefile
index 1005b5d..da88e70 100644
--- a/gnu/lib/libstdc++/Makefile
+++ b/gnu/lib/libstdc++/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 GCCVER=	4.2
 GCCDIR=	${.CURDIR}/../../../contrib/gcc
 GCCLIB=	${.CURDIR}/../../../contrib/gcclibs
@@ -14,7 +16,7 @@ LIB=		stdc++
 SHLIB_MAJOR=	6
 
 CFLAGS+=	-DIN_GLIBCPP_V3 -DHAVE_CONFIG_H
-.if ${MACHINE_CPUARCH} == "arm"
+.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} == "no"
 CFLAGS+=	-D_GLIBCXX_SJLJ_EXCEPTIONS=1
 .endif
 CFLAGS+=	-I${.CURDIR} -I${SUPDIR} -I${GCCDIR} -I${SRCDIR}/include
@@ -594,7 +596,13 @@ gthr-default.h: ${GCCDIR}/gthr-posix.h
 
 CLEANFILES+=	${THRHDRS}
 
+.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+unwind.h: ${GCCDIR}/config/arm/unwind-arm.h
+.else
 unwind.h: ${GCCDIR}/unwind-generic.h
+.endif
+
+unwind.h:
 	ln -sf ${.ALLSRC} ${.TARGET}
 
 SRCS+=		unwind.h
diff --git a/gnu/usr.bin/cc/Makefile.inc b/gnu/usr.bin/cc/Makefile.inc
index 7a5991e..0302617 100644
--- a/gnu/usr.bin/cc/Makefile.inc
+++ b/gnu/usr.bin/cc/Makefile.inc
@@ -26,6 +26,10 @@ CSTD?=	gnu89
 CFLAGS+=	-DCROSS_COMPILE
 .endif
 
+.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+CFLAGS+=	-DTARGET_ARM_EABI
+.endif
+
 .if ${TARGET_ARCH} == "armeb" || ${TARGET_ARCH} == "armv6eb"
 CFLAGS += -DTARGET_ENDIAN_DEFAULT=MASK_BIG_END
 .endif
diff --git a/gnu/usr.bin/cc/c++filt/Makefile b/gnu/usr.bin/cc/c++filt/Makefile
index 03ad7c2..5379795 100644
--- a/gnu/usr.bin/cc/c++filt/Makefile
+++ b/gnu/usr.bin/cc/c++filt/Makefile
@@ -1,5 +1,8 @@
 # $FreeBSD$
 
+NO_MAN=
+.include <bsd.own.mk>
+
 .include "../Makefile.inc"
 .include "../Makefile.fe"
 
@@ -7,7 +10,6 @@
 
 PROG=	c++filt
 SRCS=	cp-demangle.c
-NO_MAN=
 
 CFLAGS+= -DSTANDALONE_DEMANGLER -DVERSION=\"$(GCC_VERSION)\"
 
diff --git a/gnu/usr.bin/cc/cc1/Makefile b/gnu/usr.bin/cc/cc1/Makefile
index 7b1e343..3c0d8fa 100644
--- a/gnu/usr.bin/cc/cc1/Makefile
+++ b/gnu/usr.bin/cc/cc1/Makefile
@@ -1,9 +1,10 @@
 # $FreeBSD$
 
-.include "../Makefile.inc"
 NO_MAN=
 .include <bsd.own.mk>
 
+.include "../Makefile.inc"
+
 .PATH: ${GCCDIR}
 
 PROG=	cc1
diff --git a/gnu/usr.bin/cc/cc1plus/Makefile b/gnu/usr.bin/cc/cc1plus/Makefile
index dd3d524..83b0abb 100644
--- a/gnu/usr.bin/cc/cc1plus/Makefile
+++ b/gnu/usr.bin/cc/cc1plus/Makefile
@@ -1,9 +1,10 @@
 # $FreeBSD$
 
-.include "../Makefile.inc"
 NO_MAN=
 .include <bsd.own.mk>
 
+.include "../Makefile.inc"
+
 .PATH: ${GCCDIR}/cp ${GCCDIR}
 
 PROG=	cc1plus
diff --git a/gnu/usr.bin/cc/cc_int/Makefile b/gnu/usr.bin/cc/cc_int/Makefile
index e6051e1..86c1791 100644
--- a/gnu/usr.bin/cc/cc_int/Makefile
+++ b/gnu/usr.bin/cc/cc_int/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 .include "../Makefile.inc"
 .include "../Makefile.ver"
 
diff --git a/gnu/usr.bin/cc/cc_tools/Makefile b/gnu/usr.bin/cc/cc_tools/Makefile
index c697dd3..8f75f43 100644
--- a/gnu/usr.bin/cc/cc_tools/Makefile
+++ b/gnu/usr.bin/cc/cc_tools/Makefile
@@ -51,6 +51,9 @@ TARGET_INC+=	${GCC_CPU}/elf.h
 .endif
 .if ${TARGET_CPUARCH} == "arm"
 TARGET_INC+=	${GCC_CPU}/aout.h
+.if ${MK_ARM_EABI} != "no"
+TARGET_INC+=	${GCC_CPU}/bpabi.h
+.endif
 .endif
 .if ${TARGET_ARCH} == "powerpc64"
 TARGET_INC+=	${GCC_CPU}/biarch64.h
@@ -349,7 +352,13 @@ gthr-default.h: ${GCCDIR}/gthr-posix.h
 
 GENSRCS+=	gthr-default.h
 
+.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+unwind.h: ${GCCDIR}/config/arm/unwind-arm.h
+.else
 unwind.h: ${GCCDIR}/unwind-generic.h
+.endif
+
+unwind.h:
 	ln -sf ${.ALLSRC} ${.TARGET}
 
 GENSRCS+=	unwind.h
diff --git a/gnu/usr.bin/cc/doc/Makefile b/gnu/usr.bin/cc/doc/Makefile
index 840b694..a56231b 100644
--- a/gnu/usr.bin/cc/doc/Makefile
+++ b/gnu/usr.bin/cc/doc/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 .include "../Makefile.inc"
 .include "../Makefile.ver"
 
diff --git a/gnu/usr.bin/cc/gcov/Makefile b/gnu/usr.bin/cc/gcov/Makefile
index f48d177..9a87c02 100644
--- a/gnu/usr.bin/cc/gcov/Makefile
+++ b/gnu/usr.bin/cc/gcov/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 .include "../Makefile.inc"
 .include "../Makefile.ver"
 
diff --git a/gnu/usr.bin/cc/include/Makefile b/gnu/usr.bin/cc/include/Makefile
index 1698262..357bac0 100644
--- a/gnu/usr.bin/cc/include/Makefile
+++ b/gnu/usr.bin/cc/include/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 .include "../Makefile.inc"
 
 INCSDIR=${INCLUDEDIR}/gcc/${GCCVER}
diff --git a/gnu/usr.bin/cc/libcpp/Makefile b/gnu/usr.bin/cc/libcpp/Makefile
index 23bc26e..bfaea7d 100644
--- a/gnu/usr.bin/cc/libcpp/Makefile
+++ b/gnu/usr.bin/cc/libcpp/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 # Use our headers in preference to ones from ../cc_tools.
 CFLAGS+=	-I${.CURDIR} -I.
 
diff --git a/gnu/usr.bin/cc/libdecnumber/Makefile b/gnu/usr.bin/cc/libdecnumber/Makefile
index 82df5a9..2987c1c 100644
--- a/gnu/usr.bin/cc/libdecnumber/Makefile
+++ b/gnu/usr.bin/cc/libdecnumber/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 # Use our headers in preference to ones from ../cc_tools.
 CFLAGS+=	-I${.CURDIR} -I.
 
diff --git a/gnu/usr.bin/cc/libiberty/Makefile b/gnu/usr.bin/cc/libiberty/Makefile
index 7446793..adaa128 100644
--- a/gnu/usr.bin/cc/libiberty/Makefile
+++ b/gnu/usr.bin/cc/libiberty/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <bsd.own.mk>
+
 #
 # Make sure we will pick up our config.h file first, not the one from
 # cc_tools.