added linux-sh.mk to support SuperH architecture

# Configuration for Linux on SuperH.

# Included by combo/select.make

# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else

ifeq ($(strip $($(combo_target)TOOLS_PREFIX)),)

$(combo_target)TOOLS_PREFIX := \

	prebuilt/$(HOST_PREBUILT_TAG)/toolchain/sh-4.3.3/bin/sh-linux-gnu-

endif

$(combo_target)CC := $($(combo_target)TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)

$(combo_target)CXX := $($(combo_target)TOOLS_PREFIX)c++$(HOST_EXECUTABLE_SUFFIX)

$(combo_target)AR := $($(combo_target)TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)

$(combo_target)OBJCOPY := $($(combo_target)TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)

$(combo_target)LD := $($(combo_target)TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)

$(combo_target)NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined

TARGET_sh_release_CFLAGS :=     -O2 \

                                -fomit-frame-pointer \

                                -fstrict-aliasing    \

                                -funswitch-loops     \

                                -finline-limit=300

# When building for debug, compile everything as superh.

TARGET_sh_debug_CFLAGS := $(TARGET_sh_release_CFLAGS) -fno-omit-frame-pointer -fno-strict-aliasing

$(combo_target)GLOBAL_CFLAGS += \

			-fpic \

			-ffunction-sections \

			-funwind-tables \

			-fstack-protector \

			-include $(call select-android-config-h,linux-sh)

$(combo_target)GLOBAL_CPPFLAGS += \

			-fno-use-cxa-atexit \

			-fvisibility-inlines-hidden

$(combo_target)RELEASE_CFLAGS := \

			-DSK_RELEASE -DNDEBUG \

			-O2 -g \

			-Wstrict-aliasing=2 \

			-finline-functions \

			-fno-inline-functions-called-once \

			-fgcse-after-reload \

			-frerun-cse-after-loop \

			-frename-registers \

			-fno-builtin

libc_root := bionic/libc

libm_root := bionic/libm

libstdc++_root := bionic/libstdc++

libthread_db_root := bionic/libthread_db

## on some hosts, the target cross-compiler is not available so do not run this command

ifneq ($(wildcard $($(combo_target)CC)),)

# We compile with the global cflags to ensure that

# any flags which affect libgcc are correctly taken

# into account.

LIBGCC_FILENAME := $(shell $($(combo_target)CC) $($(combo_target)GLOBAL_CFLAGS) -print-libgcc-file-name)

LIBGCC_EH_FILENAME := $(subst libgcc,libgcc_eh,$(LIBGCC_FILENAME))

$(combo_target)LIBGCC := $(LIBGCC_EH_FILENAME) $(LIBGCC_FILENAME)

endif

# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use

# symlinks located in out/ to point to the appropriate kernel

# headers. see 'config/kernel_headers.make' for more details

#

ifneq ($(CUSTOM_KERNEL_HEADERS),)

    KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS)

    KERNEL_HEADERS_ARCH   := $(CUSTOM_KERNEL_HEADERS)

else

    KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common

    KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/arch-$(TARGET_ARCH)

endif

KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)

$(combo_target)C_INCLUDES := \

	$(libc_root)/arch-sh/include \

	$(libc_root)/include \

	$(libstdc++_root)/include \

	$(KERNEL_HEADERS) \

	$(libm_root)/include \

	$(libm_root)/include/arch/sh \

	$(libthread_db_root)/include

TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o

TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o

TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o

TARGET_SOBEGIN := $(TARGET_OUT_STATIC_LIBRARIES)/sobegin.o

TARGET_SOEND := $(TARGET_OUT_STATIC_LIBRARIES)/soend.o

TARGET_STRIP_MODULE:=false

$(combo_target)DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm

$(combo_target)CUSTOM_LD_COMMAND := true

define transform-o-to-shared-lib-inner

$(TARGET_CXX) \

	-nostdlib -Wl,-soname,$(notdir $@) -Wl,-T,$(BUILD_SYSTEM)/shlelf.xsc \

	-Wl,--gc-sections -Wl,-z,norelro \

	-Wl,-shared,-Bsymbolic \

	$(TARGET_GLOBAL_LD_DIRS) \

	$(TARGET_SOBEGIN) \

	$(PRIVATE_ALL_OBJECTS) \

	-Wl,--whole-archive \

	$(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \

	-Wl,--no-whole-archive \

	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \

	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \

	-o $@ \

	$(PRIVATE_LDFLAGS) \

	$(subst -lrt,, $(subst -lpthread,,$(PRIVATE_LDLIBS))) \

	$(TARGET_LIBGCC) \

	$(TARGET_SOEND)

endef

define transform-o-to-executable-inner

$(TARGET_CXX) -nostdlib -Bdynamic  -Wl,-T,$(BUILD_SYSTEM)/shlelf.x \

	-Wl,-dynamic-linker,/system/bin/linker \

	-Wl,--gc-sections -Wl,-z,norelro \

	-Wl,-z,nocopyreloc \

	-o $@ \

	$(TARGET_GLOBAL_LD_DIRS) \

	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \

	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \

	$(TARGET_CRTBEGIN_DYNAMIC_O) \

	$(PRIVATE_ALL_OBJECTS) \

	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \

	$(PRIVATE_LDFLAGS) \

	$(TARGET_LIBGCC) \

	$(subst -lrt,, $(subst -lpthread,,$(PRIVATE_LDLIBS))) \

	$(TARGET_CRTEND_O)

endef

define transform-o-to-static-executable-inner

$(TARGET_CXX) -nostdlib -Bstatic  -Wl,-T,$(BUILD_SYSTEM)/shlelf.x \

	-Wl,--gc-sections -Wl,-z,norelro \

	-o $@ \

	$(TARGET_GLOBAL_LD_DIRS) \

	$(TARGET_CRTBEGIN_STATIC_O) \

	$(PRIVATE_LDFLAGS) \

	$(PRIVATE_ALL_OBJECTS) \

	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \

	$(TARGET_LIBGCC) \

	$(subst -lrt,, $(subst -lpthread,,$(PRIVATE_LDLIBS))) \

	$(TARGET_CRTEND_O)

endef