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patches/gcc/3.3.6/110-arm-bigendian.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Sep 04 17:27:16 2009 +0200 (2009-09-04)
changeset 1512 439a6b292917
parent 402 197e1b49586e
permissions -rw-r--r--
TODO: update

Add TODO list for m4, autoconf, automake and libtool.
Building our own versions would remove burden from the users
who have older versions on their distributions, and are not
ready/able/allowed to upgrade. 
     1 diff -urN gcc-3.3.4.orig/gcc/config/arm/linux-elf.h gcc-3.3.4/gcc/config/arm/linux-elf.h

     2 --- gcc-3.3.4.orig/gcc/config/arm/linux-elf.h	2004-03-30 22:43:45.000000000 +0200

     3 +++ gcc-3.3.4/gcc/config/arm/linux-elf.h	2004-08-20 02:13:02.969084177 +0200

     4 @@ -30,17 +30,31 @@

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

     6  #define NO_IMPLICIT_EXTERN_C

     7  

     8 +/*

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

    10 + * (big endian) configurations.

    11 + */

    12 +#if TARGET_BIG_ENDIAN_DEFAULT

    13 +#define TARGET_ENDIAN_DEFAULT ARM_FLAG_BIG_END

    14 +#define TARGET_ENDIAN_OPTION "mbig-endian"

    15 +#define TARGET_LINKER_EMULATION "armelfb_linux"

    16 +#else

    17 +#define TARGET_ENDIAN_DEFAULT 0

    18 +#define TARGET_ENDIAN_OPTION "mlittle-endian"

    19 +#define TARGET_LINKER_EMULATION "armelf_linux"

    20 +#endif

    21 +

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

    23  #undef  TARGET_DEFAULT

    24 -#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)

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

    26  

    27  #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6

    28  

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

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

    31  

    32  #undef  MULTILIB_DEFAULTS

    33  #define MULTILIB_DEFAULTS \

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

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

    36  

    37  #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"

    38  

    39 @@ -88,7 +102,7 @@

    40     %{rdynamic:-export-dynamic} \

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

    42     -X \

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

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

    45     SUBTARGET_EXTRA_LINK_SPEC

    46  

    47  #define TARGET_OS_CPP_BUILTINS()		\

    48 diff -urN gcc-3.3.4.orig/gcc/config.gcc gcc-3.3.4/gcc/config.gcc

    49 --- gcc-3.3.4.orig/gcc/config.gcc	2004-04-29 06:42:47.000000000 +0200

    50 +++ gcc-3.3.4/gcc/config.gcc	2004-08-20 02:11:04.326143343 +0200

    51 @@ -699,6 +699,11 @@

    52  	;;

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

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

    55 +	case $machine in

    56 +	arm*b-*)

    57 +		tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines"

    58 +		;;

    59 +	esac

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

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

    62  	gnu_ld=yes
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