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Commit ada132a8 authored by Jing Yu's avatar Jing Yu
Browse files

Switch toolchain from gcc-4.4.0 to gcc-4.4.3 

gcc-4.4.3 toolchain is based on fsf GCC-4.4.3 with numerous patches.
It reduces 3.65% code size than the prebuilt gcc-4.4.0 toolchain,
and improves 3.4% performance on Android benchmarks.

The toolchain uses gold as default linker. With gold, the toolchain
further reduces 1MB system image.

Change-Id: I55eb4df185f2932e71498fcc28428e4d1b175393
parent 3e467785

core/combo/TARGET_linux-arm.mk

+1 −1
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 
# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else

ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)

TARGET_TOOLS_PREFIX := \

	prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-eabi-4.4.0/bin/arm-eabi-

	prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-eabi-4.4.3/bin/arm-eabi-

endif



TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)

core/envsetup.mk

+1 −1
Original line number Diff line number Diff line
@@ -284,7 +284,7 @@ ifeq ($(TARGET_SIMULATOR),true) 
	ABP:=$(ABP):$(TARGET_OUT_EXECUTABLES)

else

	# this should be copied to HOST_OUT_EXECUTABLES instead

	ABP:=$(ABP):$(PWD)/prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-eabi-4.4.0/bin

	ABP:=$(ABP):$(PWD)/prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-eabi-4.4.3/bin

endif

ANDROID_BUILD_PATHS := $(ABP)

ANDROID_PREBUILTS := prebuilt/$(HOST_PREBUILT_TAG)

envsetup.sh

+1 −1
Original line number Diff line number Diff line
@@ -103,7 +103,7 @@ function setpaths() 
    # and in with the new

    CODE_REVIEWS=

    prebuiltdir=$(getprebuilt)

    export ANDROID_EABI_TOOLCHAIN=$prebuiltdir/toolchain/arm-eabi-4.4.0/bin

    export ANDROID_EABI_TOOLCHAIN=$prebuiltdir/toolchain/arm-eabi-4.4.3/bin

    export ANDROID_TOOLCHAIN=$ANDROID_EABI_TOOLCHAIN

    export ANDROID_QTOOLS=$T/development/emulator/qtools

    export ANDROID_BUILD_PATHS=:$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_EABI_TOOLCHAIN$CODE_REVIEWS

tools/adbs

+2 −2
Original line number Diff line number Diff line
@@ -144,13 +144,13 @@ def SetupToolsPath(): 
      uname = "darwin-ppc"

  elif uname == "Linux":

    uname = "linux-x86"

  prefix = "./prebuilt/" + uname + "/toolchain/arm-eabi-4.4.0/bin/"

  prefix = "./prebuilt/" + uname + "/toolchain/arm-eabi-4.4.3/bin/"

  addr2line_cmd = prefix + "arm-eabi-addr2line"



  if (not os.path.exists(addr2line_cmd)):

    try:

      prefix = os.environ['ANDROID_BUILD_TOP'] + "/prebuilt/" + uname + \

               "/toolchain/arm-eabi-4.4.0/bin/"

               "/toolchain/arm-eabi-4.4.3/bin/"

    except:

      prefix = "";