diff options
Diffstat (limited to 'toolchain/gcc/4.2/800-arm-bigendian.patch')
| -rw-r--r-- | toolchain/gcc/4.2/800-arm-bigendian.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/toolchain/gcc/4.2/800-arm-bigendian.patch b/toolchain/gcc/4.2/800-arm-bigendian.patch new file mode 100644 index 000000000..9ad4e59d1 --- /dev/null +++ b/toolchain/gcc/4.2/800-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-4.2.0/gcc/config/arm/linux-elf.h ++++ gcc-4.2.0/gcc/config/arm/linux-elf.h +@@ -28,19 +28,33 @@ + #undef TARGET_VERSION + #define TARGET_VERSION fputs (" (ARM GNU/Linux with ELF)", stderr); + ++/* ++ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-* ++ * (big endian) configurations. ++ */ ++#if TARGET_BIG_ENDIAN_DEFAULT ++#define TARGET_ENDIAN_DEFAULT MASK_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" } + + /* Now we define the strings used to build the spec file. */ + #undef LIB_SPEC +@@ -61,7 +75,7 @@ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "} \ + -X \ +- %{mbig-endian:-EB}" \ ++ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \ + SUBTARGET_EXTRA_LINK_SPEC + + #undef LINK_SPEC +--- gcc-4.2.0/gcc/config.gcc ++++ gcc-4.2.0/gcc/config.gcc +@@ -694,6 +694,11 @@ + ;; + 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" ++ case $target in ++ arm*b-*) ++ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1" ++ ;; ++ esac + tmake_file="${tmake_file} t-linux arm/t-arm" + case ${target} in + arm*-*-linux-*eabi) |