By Lennert Buytenhek <buytenh@wantstofly.org>Adds support for arm*b-linux* big-endian ARM targetsSee http://gcc.gnu.org/PR16350--- gcc-4.2.0/gcc/config/arm/linux-elf.h+++ gcc-4.2.0/gcc/config/arm/linux-elf.h@@ -28,19 +28,33 @@ #undef  TARGET_VERSION #define TARGET_VERSION  fputs (" (ARM GNU/Linux with ELF)", stderr); +/*+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*+ * (big endian) configurations.+ */+#if TARGET_BIG_ENDIAN_DEFAULT+#define TARGET_ENDIAN_DEFAULT MASK_BIG_END+#define TARGET_ENDIAN_OPTION "mbig-endian"+#define TARGET_LINKER_EMULATION "armelfb_linux"+#else+#define TARGET_ENDIAN_DEFAULT 0+#define TARGET_ENDIAN_OPTION "mlittle-endian"+#define TARGET_LINKER_EMULATION "armelf_linux"+#endif+ #undef  TARGET_DEFAULT_FLOAT_ABI #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD  #undef  TARGET_DEFAULT-#define TARGET_DEFAULT (0)+#define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT)  #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"+#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p"  #undef  MULTILIB_DEFAULTS #define MULTILIB_DEFAULTS \-	{ "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }+	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" }  /* Now we define the strings used to build the spec file.  */ #undef  LIB_SPEC@@ -61,7 +75,7 @@    %{rdynamic:-export-dynamic} \    %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "} \    -X \-   %{mbig-endian:-EB}" \+   %{mbig-endian:-EB} %{mlittle-endian:-EL}" \    SUBTARGET_EXTRA_LINK_SPEC  #undef  LINK_SPEC--- gcc-4.2.0/gcc/config.gcc.orig	2006-09-22 14:53:41.000000000 +0200+++ gcc-4.2.0/gcc/config.gcc	2006-09-25 10:45:21.000000000 +0200@@ -696,6 +696,11 @@ 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h" 	tmake_file="${tmake_file} t-linux arm/t-arm" 	case ${target} in+	arm*b-*)+		tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"+		;;+	esac+	case ${target} in 	arm*-*-linux-*eabi) 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h" 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"