Merge "Support for MIPS Build targets."
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
new file mode 100644
index 0000000..a3a891e
--- /dev/null
+++ b/core/combo/TARGET_linux-mips.mk
@@ -0,0 +1,284 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed 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.
+#
+
+# Configuration for Linux on MIPS.
+# Included by combo/select.mk
+
+# You can set TARGET_ARCH_VARIANT to use an arch version other
+# than mips32r2-fp. Each value should correspond to a file named
+# $(BUILD_COMBOS)/arch/<name>.mk which must contain
+# makefile variable definitions similar to the preprocessor
+# defines in system/core/include/arch/<combo>/AndroidConfig.h. Their
+# purpose is to allow module Android.mk files to selectively compile
+# different versions of code based upon the funtionality and
+# instructions available in a given architecture version.
+#
+# The blocks also define specific arch_variant_cflags, which
+# include defines, and compiler settings for the given architecture
+# version.
+#
+ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
+TARGET_ARCH_VARIANT := mips32r2-fp
+endif
+
+TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
+ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
+$(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT))
+endif
+
+include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
+
+# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
+ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
+TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mipsel-linux-android-4.6
+TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mipsel-linux-android-
+endif
+
+# Only define these if there's actually a gcc in there.
+# The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it.
+ifneq ($(wildcard $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)),)
+ TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
+ TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
+ TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
+ TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
+ TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
+ TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+ ifeq ($(TARGET_BUILD_VARIANT),user)
+ TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@
+ else
+ TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@ && \
+ $(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@
+ endif
+endif
+
+TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
+
+TARGET_mips_CFLAGS := -O2 \
+ -fomit-frame-pointer \
+ -fno-strict-aliasing \
+ -funswitch-loops
+
+# Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk
+# or in your environment to gdb debugging easier.
+# Don't forget to do a clean build.
+ifeq ($(FORCE_MIPS_DEBUGGING),true)
+ TARGET_mips_CFLAGS += -fno-omit-frame-pointer
+endif
+
+android_config_h := $(call select-android-config-h,linux-mips)
+arch_include_dir := $(dir $(android_config_h))
+
+TARGET_GLOBAL_CFLAGS += \
+ $(TARGET_mips_CFLAGS) \
+ -Ulinux -U__unix -U__unix__ -Umips \
+ -fpic \
+ -ffunction-sections \
+ -fdata-sections \
+ -funwind-tables \
+ -Werror=format-security \
+ $(arch_variant_cflags) \
+ -include $(android_config_h) \
+ -I $(arch_include_dir)
+
+# This warning causes dalvik not to build with gcc 4.6.x and -Werror.
+# We cannot turn it off blindly since the option is not available
+# in gcc-4.4.x.
+ifneq ($(filter 4.6.%, $(shell $(TARGET_CC) --version)),)
+TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \
+ -fno-strict-volatile-bitfields
+endif
+
+# This is to avoid the dreaded warning compiler message:
+# note: the mangling of 'va_list' has changed in GCC 4.4
+#
+# The fact that the mangling changed does not affect the NDK ABI
+# very fortunately (since none of the exposed APIs used va_list
+# in their exported C++ functions). Also, GCC 4.5 has already
+# removed the warning from the compiler.
+#
+TARGET_GLOBAL_CFLAGS += -Wno-psabi
+
+ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
+TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
+endif
+
+TARGET_GLOBAL_LDFLAGS += \
+ $(arch_variant_ldflags)
+
+TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden \
+ -fno-use-cxa-atexit
+
+# More flags/options can be added here
+TARGET_RELEASE_CFLAGS := \
+ -DNDEBUG \
+ -g \
+ -Wstrict-aliasing=2 \
+ -fgcse-after-reload \
+ -frerun-cse-after-loop \
+ -frename-registers
+
+libc_root := bionic/libc
+libm_root := bionic/libm
+libstdc++_root := bionic/libstdc++
+libthread_db_root := bionic/libthread_db
+
+
+## on some hosts, the target cross-compiler is not available so do not run this command
+ifneq ($(wildcard $(TARGET_CC)),)
+# We compile with the global cflags to ensure that
+# any flags which affect libgcc are correctly taken
+# into account.
+TARGET_LIBGCC := \
+ $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a)
+LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a)
+ifneq ($(LIBGCC_EH),libgcc_eh.a)
+ TARGET_LIBGCC += $(LIBGCC_EH)
+endif
+endif
+
+# Define FDO (Feedback Directed Optimization) options.
+
+TARGET_FDO_CFLAGS:=
+TARGET_FDO_LIB:=
+
+target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
+ --print-file-name=libgcov.a)
+ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
+ # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
+ # The profile will be generated on /data/local/tmp/profile on the device.
+ TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
+ TARGET_FDO_LIB := $(target_libgcov)
+else
+ # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
+ # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
+ ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
+ TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
+ else
+ ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
+ $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
+ endif
+ endif
+
+ # If the FDO profile directory can't be found, then FDO is off.
+ ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
+ TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
+ TARGET_FDO_LIB := $(target_libgcov)
+ endif
+endif
+
+
+# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
+# symlinks located in out/ to point to the appropriate kernel
+# headers. see 'config/kernel_headers.make' for more details
+#
+ifneq ($(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)
+
+TARGET_C_INCLUDES := \
+ $(libc_root)/arch-mips/include \
+ $(libc_root)/include \
+ $(libstdc++_root)/include \
+ $(KERNEL_HEADERS) \
+ $(libm_root)/include \
+ $(libm_root)/include/mips \
+ $(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_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
+TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
+
+TARGET_STRIP_MODULE:=true
+
+TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
+
+TARGET_CUSTOM_LD_COMMAND := true
+
+# Enable the Dalvik JIT compiler if not already specified.
+ifeq ($(strip $(WITH_JIT)),)
+ WITH_JIT := true
+endif
+
+define transform-o-to-shared-lib-inner
+$(hide) $(PRIVATE_CXX) \
+ -nostdlib -Wl,-soname,$(notdir $@) \
+ -Wl,--gc-sections \
+ -shared -Bsymbolic \
+ $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
+ $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
+ $(PRIVATE_ALL_OBJECTS) \
+ -Wl,--whole-archive \
+ $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
+ -Wl,--no-whole-archive \
+ $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
+ $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
+ $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+ $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
+ -o $@ \
+ $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+ $(PRIVATE_LDFLAGS) \
+ $(PRIVATE_TARGET_FDO_LIB) \
+ $(PRIVATE_TARGET_LIBGCC) \
+ $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
+endef
+
+define transform-o-to-executable-inner
+$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic \
+ -Wl,-dynamic-linker,/system/bin/linker \
+ -Wl,--gc-sections \
+ -Wl,-z,nocopyreloc \
+ -o $@ \
+ $(TARGET_GLOBAL_LD_DIRS) \
+ -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
+ $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
+ $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_DYNAMIC_O)) \
+ $(PRIVATE_ALL_OBJECTS) \
+ $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
+ $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
+ $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+ $(TARGET_GLOBAL_LDFLAGS) \
+ $(PRIVATE_LDFLAGS) \
+ $(TARGET_FDO_LIB) \
+ $(TARGET_LIBGCC) \
+ $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
+endef
+
+define transform-o-to-static-executable-inner
+$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
+ -Wl,--gc-sections \
+ -o $@ \
+ $(TARGET_GLOBAL_LD_DIRS) \
+ $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_STATIC_O)) \
+ $(TARGET_GLOBAL_LDFLAGS) \
+ $(PRIVATE_LDFLAGS) \
+ $(PRIVATE_ALL_OBJECTS) \
+ $(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
+ -Wl,--start-group \
+ $(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+ $(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+ $(TARGET_FDO_LIB) \
+ $(TARGET_LIBGCC) \
+ -Wl,--end-group \
+ $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
+endef
diff --git a/core/combo/arch/mips/mips32-fp.mk b/core/combo/arch/mips/mips32-fp.mk
new file mode 100644
index 0000000..e60bdac
--- /dev/null
+++ b/core/combo/arch/mips/mips32-fp.mk
@@ -0,0 +1,14 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32/hard-float/little-endian
+
+ARCH_MIPS_HAS_FPU :=true
+ARCH_HAVE_ALIGNED_DOUBLES :=true
+arch_variant_cflags := \
+ -EL \
+ -march=mips32 \
+ -mtune=mips32 \
+ -mips32 \
+ -mhard-float
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32.mk b/core/combo/arch/mips/mips32.mk
new file mode 100644
index 0000000..35ef0d8
--- /dev/null
+++ b/core/combo/arch/mips/mips32.mk
@@ -0,0 +1,12 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32/soft-float/little-endian
+
+arch_variant_cflags := \
+ -EL \
+ -march=mips32 \
+ -mtune=mips32 \
+ -mips32 \
+ -msoft-float
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32r2-fp.mk b/core/combo/arch/mips/mips32r2-fp.mk
new file mode 100644
index 0000000..a407f00
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2-fp.mk
@@ -0,0 +1,14 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R2/hard-float/little-endian
+
+ARCH_MIPS_HAS_FPU :=true
+ARCH_HAVE_ALIGNED_DOUBLES :=true
+arch_variant_cflags := \
+ -EL \
+ -march=mips32r2 \
+ -mtune=mips32r2 \
+ -mips32r2 \
+ -mhard-float
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32r2.mk b/core/combo/arch/mips/mips32r2.mk
new file mode 100644
index 0000000..369d499
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2.mk
@@ -0,0 +1,12 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R2/soft-float/little-endian
+
+arch_variant_cflags := \
+ -EL \
+ -march=mips32r2 \
+ -mtune=mips32r2 \
+ -mips32r2 \
+ -msoft-float
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32r2dsp-fp.mk b/core/combo/arch/mips/mips32r2dsp-fp.mk
new file mode 100644
index 0000000..886872d
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2dsp-fp.mk
@@ -0,0 +1,17 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R2/hard-float/little-endian/dsp
+
+ARCH_MIPS_HAS_DSP :=true
+ARCH_MIPS_DSP_REV :=1
+ARCH_MIPS_HAS_FPU :=true
+ARCH_HAVE_ALIGNED_DOUBLES :=true
+arch_variant_cflags := \
+ -EL \
+ -march=mips32r2 \
+ -mtune=mips32r2 \
+ -mips32r2 \
+ -mhard-float \
+ -mdsp
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32r2dsp.mk b/core/combo/arch/mips/mips32r2dsp.mk
new file mode 100644
index 0000000..e67adc7
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2dsp.mk
@@ -0,0 +1,16 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R2/soft-float/little-endian/dsp
+
+ARCH_MIPS_HAS_DSP :=true
+ARCH_MIPS_DSP_REV :=1
+
+arch_variant_cflags := \
+ -EL \
+ -march=mips32r2 \
+ -mtune=mips32r2 \
+ -mips32r2 \
+ -msoft-float \
+ -mdsp
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32r2dspr2-fp.mk b/core/combo/arch/mips/mips32r2dspr2-fp.mk
new file mode 100644
index 0000000..27e090d
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2dspr2-fp.mk
@@ -0,0 +1,17 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R2/hard-float/little-endian/dsp
+
+ARCH_MIPS_HAS_DSP :=true
+ARCH_MIPS_DSP_REV :=2
+ARCH_MIPS_HAS_FPU :=true
+ARCH_HAVE_ALIGNED_DOUBLES :=true
+arch_variant_cflags := \
+ -EL \
+ -march=mips32r2 \
+ -mtune=mips32r2 \
+ -mips32r2 \
+ -mhard-float \
+ -mdspr2
+
+arch_variant_ldflags := \
+ -EL
diff --git a/core/combo/arch/mips/mips32r2dspr2.mk b/core/combo/arch/mips/mips32r2dspr2.mk
new file mode 100644
index 0000000..c493d9a
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2dspr2.mk
@@ -0,0 +1,16 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R2/soft-float/little-endian/dsp
+
+ARCH_MIPS_HAS_DSP :=true
+ARCH_MIPS_DSP_REV :=2
+
+arch_variant_cflags := \
+ -EL \
+ -march=mips32r2 \
+ -mtune=mips32r2 \
+ -mips32r2 \
+ -msoft-float \
+ -mdspr2
+
+arch_variant_ldflags := \
+ -EL