crosstool-ng: patches/gcc/3.3.3/gcc-3.3.2-arm-bigendian.patch@2be7232a73ac

     1 By Lennert Buytenhek <buytenh@wantstofly.org>

     2 Adds support for arm*b-linux* big-endian ARM targets

     4 See http://gcc.gnu.org/PR16350

     6 diff -urN gcc-3.3.2.orig/gcc/config/arm/linux-elf.h gcc-3.3.2/gcc/config/arm/linux-elf.h

     7 --- gcc-3.3.2.orig/gcc/config/arm/linux-elf.h	2003-09-16 17:39:23.000000000 +0200

     8 +++ gcc-3.3.2/gcc/config/arm/linux-elf.h	2004-07-07 14:03:54.329839922 +0200

     9 @@ -30,15 +30,29 @@

    10  /* Do not assume anything about header files.  */

    11  #define NO_IMPLICIT_EXTERN_C

    13 +/*

    14 + * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*

    15 + * (big endian) configurations.

    16 + */

    17 +#if TARGET_BIG_ENDIAN_DEFAULT

    18 +#define TARGET_ENDIAN_DEFAULT ARM_FLAG_BIG_END

    19 +#define TARGET_ENDIAN_OPTION "mbig-endian"

    20 +#define TARGET_LINKER_EMULATION "armelfb_linux"

    21 +#else

    22 +#define TARGET_ENDIAN_DEFAULT 0

    23 +#define TARGET_ENDIAN_OPTION "mlittle-endian"

    24 +#define TARGET_LINKER_EMULATION "armelf_linux"

    25 +#endif

    26 +

    27  /* Default is to use APCS-32 mode.  */

    28  #undef  TARGET_DEFAULT

    29 -#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)

    30 +#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS | TARGET_ENDIAN_DEFAULT)

    32 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"

    33 +#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p"

    35  #undef  MULTILIB_DEFAULTS

    36  #define MULTILIB_DEFAULTS \

    37 -	{ "marm", "mlittle-endian", "mhard-float", "mapcs-32", "mno-thumb-interwork" }

    38 +	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mapcs-32", "mno-thumb-interwork" }

    40  #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"

    42 @@ -86,7 +100,7 @@

    43     %{rdynamic:-export-dynamic} \

    44     %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \

    45     -X \

    46 -   %{mbig-endian:-EB}" \

    47 +   %{mbig-endian:-EB} %{mlittle-endian:-EL}" \

    48     SUBTARGET_EXTRA_LINK_SPEC

    50  #define TARGET_OS_CPP_BUILTINS()		\

    51 diff -urN gcc-3.3.2.orig/gcc/config.gcc gcc-3.3.2/gcc/config.gcc

    52 --- gcc-3.3.2.orig/gcc/config.gcc	2003-10-01 21:07:01.000000000 +0200

    53 +++ gcc-3.3.2/gcc/config.gcc	2004-07-07 14:04:59.046716638 +0200

    54 @@ -699,6 +699,11 @@

    55  	;;

    56  arm*-*-linux*)			# ARM GNU/Linux with ELF

    57  	tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h arm/linux-gas.h arm/linux-elf.h"

    58 +	case $machine in

    59 +	arm*b-*)

    60 +		tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines"

    61 +		;;

    62 +	esac

    63  	tmake_file="t-slibgcc-elf-ver t-linux arm/t-linux"

    64  	extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"

    65  	gnu_ld=yes

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sat Jul 28 21:34:41 2007 +0000 (2007-07-28)
changeset 301	2be7232a73ac
permissions	-rw-r--r--