############################################################################
# libs/libbuiltin/compiler-rt/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

include $(TOPDIR)/Make.defs

COMPILER_RT_VERSION=$(CONFIG_LIB_COMPILER_RT_VERSION)

ifeq ($(CONFIG_ARCH_ARM),y)
  ARCH = arm
else ifeq ($(CONFIG_ARCH_RISCV),y)
  ARCH = riscv
else ifeq ($(CONFIG_ARCH_X86_64),y)
  ARCH = x86_64
else ifeq ($(CONFIG_ARCH_ARM64),y)
  ARCH = aarch64
endif

COMPILER_RT_OBJDIR = compiler-rt \
                     compiler-rt/compiler-rt \
                     compiler-rt/compiler-rt/lib \
                     compiler-rt/compiler-rt/lib/builtins \
                     compiler-rt/compiler-rt/lib/builtins/$(ARCH) \
                     compiler-rt/compiler-rt/lib/profile

BIN_OBJDIR = $(addprefix $(BINDIR)$(DELIM),$(COMPILER_RT_OBJDIR))
KBIN_OBJDIR = $(addprefix $(KBINDIR)$(DELIM),$(COMPILER_RT_OBJDIR))

$(BIN_OBJDIR) $(KBIN_OBJDIR):
	$(Q) mkdir -p $@

ifeq ($(wildcard compiler-rt/compiler-rt/lib),)

compiler-rt-$(COMPILER_RT_VERSION).src.tar.xz:
	$(call DOWNLOAD,https://github.com/llvm/llvm-project/releases/download/llvmorg-$(COMPILER_RT_VERSION),$@)

compiler-rt/compiler-rt: compiler-rt-$(COMPILER_RT_VERSION).src.tar.xz
	$(Q) tar -xf $<
	$(Q) mv compiler-rt-$(COMPILER_RT_VERSION).src $@
	$(call DELDIR, $<)

compiler-rt: compiler-rt/compiler-rt

endif

ifeq ($(CONFIG_LIB_COMPILER_RT),y)

.PHONY: compiler-rt
depend:: compiler-rt $(BIN_OBJDIR) $(KBIN_OBJDIR)

distclean::
	$(call DELDIR, $(BIN_OBJDIR))
	$(call DELDIR, $(KBIN_OBJDIR))
ifeq ($(wildcard compiler-rt/compiler-rt/.git),)
	$(call DELDIR, compiler-rt/compiler-rt)
endif

FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/include

endif

################# Builtin Library #################

ifeq ($(CONFIG_BUILTIN_COMPILER_RT),y)

FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/builtins
FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/builtins/${ARCH}

FLAGS += -Wno-undef -Wno-macro-redefined

CSRCS += $(wildcard compiler-rt/compiler-rt/lib/builtins/*.c)
ASRCS += $(wildcard compiler-rt/compiler-rt/lib/builtins/$(ARCH)/*.S)
CSRCS += $(wildcard compiler-rt/compiler-rt/lib/builtins/$(ARCH)/*.c)

ifeq ($(CONFIG_LIB_COMPILER_RT_HAS_BFLOAT16),)
  BFLOAT16_SRCS := compiler-rt/compiler-rt/lib/builtins/truncdfbf2.c
  BFLOAT16_SRCS += compiler-rt/compiler-rt/lib/builtins/truncsfbf2.c
  CSRCS := $(filter-out $(BFLOAT16_SRCS), $(CSRCS))
endif

endif

################# Profile Library #################

ifeq ($(CONFIG_COVERAGE_COMPILER_RT),y)

FLAGS += ${INCDIR_PREFIX}$(CURDIR)/compiler-rt/compiler-rt/lib/profile

FLAGS += -fno-profile-instr-generate -fno-coverage-mapping
FLAGS += -Wno-undef -Wno-strict-prototypes  -Wno-shadow
FLAGS += -DCOMPILER_RT_HAS_UNAME

CSRCS += $(wildcard compiler-rt/compiler-rt/lib/profile/*.c)
CPPSRCS += $(wildcard compiler-rt/compiler-rt/lib/profile/*.cpp)
CSRCS += InstrProfilingPlatform.c

else ifeq ($(CONFIG_COVERAGE_MINI)$(CONFIG_ARCH_TOOLCHAIN_CLANG),yy)

FLAGS += -fno-profile-instr-generate -fno-coverage-mapping

CSRCS += coverage.c

endif

AFLAGS += $(FLAGS)
CFLAGS += $(FLAGS)
CXXFLAGS += $(FLAGS)

DEPPATH += --dep-path compiler-rt
VPATH += :compiler-rt
