diff options
Diffstat (limited to 'openwrt/toolchain/gcc/4.0.3/800-arm-bigendian.patch')
| -rw-r--r-- | openwrt/toolchain/gcc/4.0.3/800-arm-bigendian.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/openwrt/toolchain/gcc/4.0.3/800-arm-bigendian.patch b/openwrt/toolchain/gcc/4.0.3/800-arm-bigendian.patch new file mode 100644 index 0000000..307aea3 --- /dev/null +++ b/openwrt/toolchain/gcc/4.0.3/800-arm-bigendian.patch @@ -0,0 +1,67 @@ +By Lennert Buytenhek <buytenh@wantstofly.org> +Adds support for arm*b-linux* big-endian ARM targets + +See http://gcc.gnu.org/PR16350 + +--- gcc-4.0.3/gcc/config/arm/linux-elf.h ++++ gcc-4.0.3/gcc/config/arm/linux-elf.h +@@ -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-* ++ * (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-4.0.3/gcc/config.gcc ++++ gcc-4.0.3/gcc/config.gcc +@@ -672,6 +672,11 @@ + ;; + 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-*) ++ tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines" ++ ;; ++ esac + tmake_file="${tmake_file} arm/t-arm arm/t-linux" + extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" + gnu_ld=yes |