diff -r 197e1b49586e -r b150d6f590fc patches/gcc/4.0.0/110-arm-bigendian.patch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/gcc/4.0.0/110-arm-bigendian.patch Mon Jul 28 21:08:01 2008 +0000 @@ -0,0 +1,79 @@ +By Lennert Buytenhek +Adds support for arm*b-linux* big-endian ARM targets + +Fixes following build error for big-endian ARM targets: + +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 +Supported emulations: armelfb_linux armelfb +collect2: ld returned 1 exit status +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 +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' +make[1]: *** [csu/subdir_lib] Error 2 +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' +make: *** [lib] Error 2 + + +See http://gcc.gnu.org/PR16350 + +--- gcc-4.0-20050305/gcc/config/arm/linux-elf.h.orig 2005-03-23 18:44:54.822707377 +0100 ++++ gcc-4.0-20050305/gcc/config/arm/linux-elf.h 2005-03-23 18:46:18.228560206 +0100 +@@ -31,19 +31,33 @@ + /* Do not assume anything about header files. */ + #define NO_IMPLICIT_EXTERN_C + ++/* ++ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for ++ * arm*b-*-linux* (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 ++ + #undef TARGET_DEFAULT_FLOAT_ABI + #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD + + #undef TARGET_DEFAULT +-#define TARGET_DEFAULT (0) ++#define TARGET_DEFAULT (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", "mno-thumb-interwork" } ++ { "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" } + + /* The GNU C++ standard library requires that these macros be defined. */ + #undef CPLUSPLUS_CPP_SPEC +@@ -90,7 +104,7 @@ + %{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 + + #define TARGET_OS_CPP_BUILTINS() \ +--- gcc-4.0-20050305/gcc/config.gcc.orig 2005-03-23 18:46:23.318105335 +0100 ++++ gcc-4.0-20050305/gcc/config.gcc 2005-03-23 18:47:41.592546386 +0100 +@@ -650,6 +650,11 @@ + ;; + 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 $target in ++ arm*b-*-linux*) ++ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1" ++ ;; ++ esac + tmake_file="${tmake_file} arm/t-arm arm/t-linux" + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" + gnu_ld=yes