By Lennert Buytenhek <buytenh@wantstofly.org>Adds support for arm*b-linux* big-endian ARM targetsSee http://gcc.gnu.org/PR16350--- gcc-3.4.1-dist/gcc/config/arm/linux-elf.h+++ gcc-3.4.1/gcc/config/arm/linux-elf.h@@ -30,17 +30,34 @@ /* Do not assume anything about header files.  */ #define NO_IMPLICIT_EXTERN_C +/*+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*+ * (big endian) configurations.+ */+#if TARGET_BIG_ENDIAN_DEFAULT+#define TARGET_ENDIAN_DEFAULT ARM_FLAG_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+ /* Default is to use APCS-32 mode.  */ #undef  TARGET_DEFAULT-#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)+#define TARGET_DEFAULT \+		( ARM_FLAG_APCS_32 | \+		  ARM_FLAG_MMU_TRAPS | \+		  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", "mapcs-32", "mno-thumb-interwork" }+	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mapcs-32", "mno-thumb-interwork" }  #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__" @@ -101,7 +118,7 @@    %{rdynamic:-export-dynamic} \    %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \    -X \-   %{mbig-endian:-EB}" \+   %{mbig-endian:-EB} %{mlittle-endian:-EL}" \    SUBTARGET_EXTRA_LINK_SPEC #endif --- gcc-3.4.1-dist/gcc/config.gcc+++ gcc-3.4.1/gcc/config.gcc@@ -672,6 +672,11 @@ 	;; arm*-*-linux*)			# ARM GNU/Linux with ELF 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h  arm/linux-gas.h arm/linux-elf.h arm/aout.h arm/arm.h"+	case $target in+	arm*b-*)+		tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines"+		;;+	esac 	tmake_file="t-slibgcc-elf-ver t-linux arm/t-linux" 	extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" 	gnu_ld=yes