# $NetBSD: Makefile.compiler-rt,v 1.13 2021/06/16 05:21:09 rin Exp $

COMPILER_RT_DIR=	${NETBSDSRCDIR}/sys/external/bsd/compiler_rt
COMPILER_RT_SRCDIR=	${COMPILER_RT_DIR}/dist

.if ${MACHINE_ARCH} == "powerpc"
COMPILER_RT_CPU_DIR=	${COMPILER_RT_SRCDIR}/lib/builtins/ppc
COMPILER_RT_ARCH_DIR=	${COMPILER_RT_SRCDIR}/lib/builtins/ppc
.else
COMPILER_RT_CPU_DIR=	${COMPILER_RT_SRCDIR}/lib/builtins/${MACHINE_CPU}
COMPILER_RT_ARCH_DIR=	${COMPILER_RT_SRCDIR}/lib/builtins/${MACHINE_ARCH}
.endif

.PATH: ${COMPILER_RT_CPU_DIR}
.PATH: ${COMPILER_RT_ARCH_DIR}
.PATH: ${COMPILER_RT_SRCDIR}/lib/builtins

GENERIC_SRCS+= \
	absvdi2.c \
	absvsi2.c \
	absvti2.c \
	addvdi3.c \
	addvsi3.c \
	addvti3.c \
	ashlti3.c \
	ashrti3.c \
	clzti2.c \
	cmpti2.c \
	ctzti2.c \
	divti3.c \
	ffsti2.c \
	int_util.c \
	lshrti3.c \
	modti3.c \
	mulodi4.c \
	mulosi4.c \
	muloti4.c \
	multi3.c \
	mulvdi3.c \
	mulvsi3.c \
	mulvti3.c \
	negti2.c \
	negvdi2.c \
	negvsi2.c \
	negvti2.c \
	paritydi2.c \
	paritysi2.c \
	parityti2.c \
	popcountdi2.c \
	popcountsi2.c \
	popcountti2.c \
	subvdi3.c \
	subvsi3.c \
	subvti3.c \
	ucmpti2.c \
	udivmodti4.c \
	udivti3.c \
	umodti3.c

.if ${MACHINE_CPU} != "aarch64" && ${MACHINE} != "alpha"
GENERIC_SRCS+= \
	clzsi2.c \
	ctzsi2.c
.endif

.if ${MACHINE_CPU} != "aarch64" && ${MACHINE} != "alpha" && \
    ${MACHINE_ARCH} != "m68k"
GENERIC_SRCS+= \
	divmodsi4.c \
	divsi3.c \
	modsi3.c \
	udivmodsi4.c \
	udivsi3.c \
	umodsi3.c
.endif

.if ${MACHINE_CPU} != "aarch64"
GENERIC_SRCS+= \
	clzdi2.c \
	ctzdi2.c \
	ffsdi2.c
.endif

.if ${MACHINE_CPU} != "aarch64" && ${MACHINE} != "alpha"
GENERIC_SRCS+= \
	ashldi3.c \
	ashrdi3.c \
	lshrdi3.c
.endif

.if ${MACHINE_CPU} != "aarch64" && ${MACHINE} != "alpha"
GENERIC_SRCS+= \
	cmpdi2.c \
	divdi3.c \
	divmoddi4.c \
	moddi3.c \
	muldi3.c \
	negdi2.c \
	ucmpdi2.c \
	udivdi3.c \
	udivmoddi4.c \
	umoddi3.c
.endif

.if ${MACHINE_CPU} == "arm"
.  if !empty(MACHINE_ARCH:Mearm*)
GENERIC_SRCS+= \
	aeabi_idivmod.S \
	aeabi_ldivmod.S \
	aeabi_uidivmod.S \
	aeabi_uldivmod.S \
	__aeabi_idiv0.c \
	__aeabi_ldiv0.c
.  endif
.endif

.for src in ${GENERIC_SRCS}
.  if exists(${COMPILER_RT_CPU_DIR}/${src:R}.S) || \
      exists(${COMPILER_RT_ARCH_DIR}/${src:R}.S)
SRCS+=	${src:R}.S
.  else
SRCS+=	${src}
COPTS.${src}+=	-Wno-missing-prototypes \
		-Wno-old-style-definition \
		-Wno-strict-prototypes \
		-Wno-uninitialized
.  endif
.endfor

CPPFLAGS.int_util.c+=	-DKERNEL_USE

# XXX Explicit divide by zero in udivmoddi4.c -> abort().
.if defined(HAVE_GCC) && ${HAVE_GCC} >= 7 && ${ACTIVE_CC} == "gcc"
. if ${MACHINE_CPU} != "arm"
COPTS.udivmoddi4.c+=	-fnon-call-exceptions
. endif
.endif

# XXX This makes no binary changes at the moment.
.include "${COMPILER_RT_DIR}/abi.mk"