1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/patches/gcc/4.0.0/110-gcc-4.0-arm-bigendian.patch Sun Feb 17 22:19:26 2008 +0000
1.3 @@ -0,0 +1,79 @@
1.4 +By Lennert Buytenhek <buytenh@wantstofly.org>
1.5 +Adds support for arm*b-linux* big-endian ARM targets
1.6 +
1.7 +Fixes following build error for big-endian ARM targets:
1.8 +
1.9 +armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/bin/../lib/gcc/armeb-unknown-linux-gnu/4.0.0/../../../../armeb-unknown-linux-gnu/bin/ld: unrecognised emulation mode: armelf_linux
1.10 +Supported emulations: armelfb_linux armelfb
1.11 +collect2: ld returned 1 exit status
1.12 +make[2]: *** [crosstool-0.32/build/armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/build-glibc/csu/crt1.o] Error 1
1.13 +make[2]: Leaving directory `crosstool-0.32/build/armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/glibc-2.3.4/csu'
1.14 +make[1]: *** [csu/subdir_lib] Error 2
1.15 +make[1]: Leaving directory `crosstool-0.32/build/armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/glibc-2.3.4'
1.16 +make: *** [lib] Error 2
1.17 +
1.18 +
1.19 +See http://gcc.gnu.org/PR16350
1.20 +
1.21 +--- gcc-4.0-20050305/gcc/config/arm/linux-elf.h.orig 2005-03-23 18:44:54.822707377 +0100
1.22 ++++ gcc-4.0-20050305/gcc/config/arm/linux-elf.h 2005-03-23 18:46:18.228560206 +0100
1.23 +@@ -31,19 +31,33 @@
1.24 + /* Do not assume anything about header files. */
1.25 + #define NO_IMPLICIT_EXTERN_C
1.26 +
1.27 ++/*
1.28 ++ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for
1.29 ++ * arm*b-*-linux* (big endian) configurations.
1.30 ++ */
1.31 ++#if TARGET_BIG_ENDIAN_DEFAULT
1.32 ++#define TARGET_ENDIAN_DEFAULT ARM_FLAG_BIG_END
1.33 ++#define TARGET_ENDIAN_OPTION "mbig-endian"
1.34 ++#define TARGET_LINKER_EMULATION "armelfb_linux"
1.35 ++#else
1.36 ++#define TARGET_ENDIAN_DEFAULT 0
1.37 ++#define TARGET_ENDIAN_OPTION "mlittle-endian"
1.38 ++#define TARGET_LINKER_EMULATION "armelf_linux"
1.39 ++#endif
1.40 ++
1.41 + #undef TARGET_DEFAULT_FLOAT_ABI
1.42 + #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
1.43 +
1.44 + #undef TARGET_DEFAULT
1.45 +-#define TARGET_DEFAULT (0)
1.46 ++#define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT)
1.47 +
1.48 + #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
1.49 +
1.50 +-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"
1.51 ++#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p"
1.52 +
1.53 + #undef MULTILIB_DEFAULTS
1.54 + #define MULTILIB_DEFAULTS \
1.55 +- { "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }
1.56 ++ { "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" }
1.57 +
1.58 + /* The GNU C++ standard library requires that these macros be defined. */
1.59 + #undef CPLUSPLUS_CPP_SPEC
1.60 +@@ -90,7 +104,7 @@
1.61 + %{rdynamic:-export-dynamic} \
1.62 + %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \
1.63 + -X \
1.64 +- %{mbig-endian:-EB}" \
1.65 ++ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
1.66 + SUBTARGET_EXTRA_LINK_SPEC
1.67 +
1.68 + #define TARGET_OS_CPP_BUILTINS() \
1.69 +--- gcc-4.0-20050305/gcc/config.gcc.orig 2005-03-23 18:46:23.318105335 +0100
1.70 ++++ gcc-4.0-20050305/gcc/config.gcc 2005-03-23 18:47:41.592546386 +0100
1.71 +@@ -650,6 +650,11 @@
1.72 + ;;
1.73 + arm*-*-linux*) # ARM GNU/Linux with ELF
1.74 + 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"
1.75 ++ case $target in
1.76 ++ arm*b-*-linux*)
1.77 ++ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
1.78 ++ ;;
1.79 ++ esac
1.80 + tmake_file="${tmake_file} arm/t-arm arm/t-linux"
1.81 + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1.82 + gnu_ld=yes