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patches/gcc/4.1.2/200-arm-bigendian.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Jan 12 19:24:03 2010 +0100 (2010-01-12)
changeset 1761 88020b2c3246
parent 13 068dce39f687
permissions -rw-r--r--
scripts/functions: change handling of nochdir

- 'nochdir' must be the first option
- have systematic pushd/popd, even if nochdir 
     1 --- gcc-4.1.2.orig/gcc/config/arm/linux-elf.h	2007-03-04 23:25:37.000000000 +0100

     2 +++ gcc-4.1.2/gcc/config/arm/linux-elf.h	2007-03-04 23:35:09.000000000 +0100

     3 @@ -28,19 +28,33 @@

     4  #undef  TARGET_VERSION

     5  #define TARGET_VERSION  fputs (" (ARM GNU/Linux with ELF)", stderr);

     6  

     7 +/*

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

     9 + * (big endian) configurations.

    10 + */

    11 +#if TARGET_BIG_ENDIAN_DEFAULT

    12 +#define TARGET_ENDIAN_DEFAULT MASK_BIG_END

    13 +#define TARGET_ENDIAN_OPTION "mbig-endian"

    14 +#define TARGET_LINKER_EMULATION "armelfb_linux"

    15 +#else

    16 +#define TARGET_ENDIAN_DEFAULT 0

    17 +#define TARGET_ENDIAN_OPTION "mlittle-endian"

    18 +#define TARGET_LINKER_EMULATION "armelf_linux"

    19 +#endif

    20 +

    21  #undef  TARGET_DEFAULT_FLOAT_ABI

    22  #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD

    23  

    24  #undef  TARGET_DEFAULT

    25 -#define TARGET_DEFAULT (0)

    26 +#define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT)

    27  

    28  #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6

    29  

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

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

    32  

    33  #undef  MULTILIB_DEFAULTS

    34  #define MULTILIB_DEFAULTS \

    35 -	{ "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }

    36 +	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" }

    37  

    38  /* Now we define the strings used to build the spec file.  */

    39  #undef  LIB_SPEC

    40 @@ -65,7 +79,7 @@

    41     %{rdynamic:-export-dynamic} \

    42     %{!dynamic-linker:-dynamic-linker " LINUX_TARGET_INTERPRETER "} \

    43     -X \

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

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

    46     SUBTARGET_EXTRA_LINK_SPEC

    47  

    48  #undef  LINK_SPEC

    49 --- gcc-4.1.2.orig/gcc/config.gcc	2007-03-04 23:31:48.000000000 +0100

    50 +++ gcc-4.1.2/gcc/config.gcc	2007-03-04 23:35:09.000000000 +0100

    51 @@ -672,6 +672,11 @@

    52  	;;

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

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

    55 +	case $target in

    56 +	arm*b-*)

    57 +		tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"

    58 +		;;

    59 +	esac

    60  	tmake_file="${tmake_file} t-linux arm/t-arm"

    61  	case ${target} in

    62  	arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)

    63 --- gcc-4.1.2.orig/gcc/config/arm/linux-eabi.h	2007-03-04 23:31:48.000000000 +0100

    64 +++ gcc-4.1.2/gcc/config/arm/linux-eabi.h	2007-03-04 23:35:09.000000000 +0100

    65 @@ -20,6 +20,17 @@

    66     the Free Software Foundation, 51 Franklin Street, Fifth Floor,

    67     Boston, MA 02110-1301, USA.  */

    68  

    69 +/*

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

    71 + * (big endian) configurations.

    72 + */

    73 +#undef TARGET_LINKER_EMULATION

    74 +#if TARGET_BIG_ENDIAN_DEFAULT

    75 +#define TARGET_LINKER_EMULATION "armelfb_linux_eabi"

    76 +#else

    77 +#define TARGET_LINKER_EMULATION "armelf_linux_eabi"

    78 +#endif

    79 +

    80  /* On EABI GNU/Linux, we want both the BPABI builtins and the

    81     GNU/Linux builtins.  */

    82  #undef TARGET_OS_CPP_BUILTINS

    83 @@ -48,7 +59,7 @@

    84  #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi

    85  

    86  #undef SUBTARGET_EXTRA_LINK_SPEC

    87 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"

    88 +#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION

    89  

    90  /* Use ld-linux.so.3 so that it will be possible to run "classic"

    91     GNU/Linux binaries on an EABI system.  */

    92 --- gcc-4.1.2.orig/gcc/config/arm/bpabi.h	2005-12-13 02:35:37.000000000 +0100

    93 +++ gcc-4.1.2/gcc/config/arm/bpabi.h	2007-03-04 23:35:09.000000000 +0100

    94 @@ -33,9 +33,19 @@

    95  #undef FPUTYPE_DEFAULT

    96  #define FPUTYPE_DEFAULT FPUTYPE_VFP

    97  

    98 +/*

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

   100 + * (big endian) configurations.

   101 + */

   102 +#if TARGET_BIG_ENDIAN_DEFAULT

   103 +#define TARGET_ENDIAN_DEFAULT MASK_BIG_END

   104 +#else

   105 +#define TARGET_ENDIAN_DEFAULT 0

   106 +#endif

   107 +

   108  /* EABI targets should enable interworking by default.  */

   109  #undef TARGET_DEFAULT

   110 -#define TARGET_DEFAULT MASK_INTERWORK

   111 +#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)

   112  

   113  /* The ARM BPABI functions return a boolean; they use no special

   114     calling convention.  */
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