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added linux-sh.mk to support SuperH architecture
authorShin-ichiro KAWASAKI <shinichiro.kawasaki.mg@hitachi.com>
Thu, 9 Jul 2009 08:51:25 +0000 (17:51 +0900)
committerTony Sim <sim.chinyeow@renesas.com>
Thu, 9 Jul 2009 08:51:25 +0000 (17:51 +0900)
core/combo/linux-sh.mk [new file with mode: 0644]

diff --git a/core/combo/linux-sh.mk b/core/combo/linux-sh.mk
new file mode 100644 (file)
index 0000000..79cf49d
--- /dev/null
@@ -0,0 +1,148 @@
+# 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