diff options
Diffstat (limited to 'recipes/gcc/gcc-4.1.2/800-arm-bigendian.patch')
| -rw-r--r-- | recipes/gcc/gcc-4.1.2/800-arm-bigendian.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/recipes/gcc/gcc-4.1.2/800-arm-bigendian.patch b/recipes/gcc/gcc-4.1.2/800-arm-bigendian.patch new file mode 100644 index 0000000000..0a9417419e --- /dev/null +++ b/recipes/gcc/gcc-4.1.2/800-arm-bigendian.patch @@ -0,0 +1,127 @@ +By Lennert Buytenhek <buytenh@wantstofly.org> +Adds support for arm*b-linux* big-endian ARM targets + +See http://gcc.gnu.org/PR16350 + +Index: gcc-4.1.1/gcc/config/arm/linux-elf.h +=================================================================== +--- gcc-4.1.1.orig/gcc/config/arm/linux-elf.h ++++ gcc-4.1.1/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_TARGET_INTERPRETER "} \ + -X \ +- %{mbig-endian:-EB}" \ ++ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \ + SUBTARGET_EXTRA_LINK_SPEC + + #undef LINK_SPEC +Index: gcc-4.1.1/gcc/config.gcc +=================================================================== +--- gcc-4.1.1.orig/gcc/config.gcc ++++ gcc-4.1.1/gcc/config.gcc +@@ -672,6 +672,11 @@ arm*-*-netbsd*) + ;; + 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-gnueabi) +Index: gcc-4.1.1/gcc/config/arm/linux-eabi.h +=================================================================== +--- gcc-4.1.1.orig/gcc/config/arm/linux-eabi.h ++++ gcc-4.1.1/gcc/config/arm/linux-eabi.h +@@ -20,6 +20,17 @@ + the Free Software Foundation, 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + ++/* ++ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-* ++ * (big endian) configurations. ++ */ ++#undef TARGET_LINKER_EMULATION ++#if TARGET_BIG_ENDIAN_DEFAULT ++#define TARGET_LINKER_EMULATION "armelfb_linux_eabi" ++#else ++#define TARGET_LINKER_EMULATION "armelf_linux_eabi" ++#endif ++ + /* On EABI GNU/Linux, we want both the BPABI builtins and the + GNU/Linux builtins. */ + #undef TARGET_OS_CPP_BUILTINS +@@ -48,7 +59,7 @@ + #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi + + #undef SUBTARGET_EXTRA_LINK_SPEC +-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi" ++#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION + + /* Use ld-linux.so.3 so that it will be possible to run "classic" + GNU/Linux binaries on an EABI system. */ +Index: gcc-4.1.1/gcc/config/arm/bpabi.h +=================================================================== +--- gcc-4.1.1.orig/gcc/config/arm/bpabi.h ++++ gcc-4.1.1/gcc/config/arm/bpabi.h +@@ -33,9 +33,19 @@ + #undef FPUTYPE_DEFAULT + #define FPUTYPE_DEFAULT FPUTYPE_VFP + ++/* ++ * '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 ++#else ++#define TARGET_ENDIAN_DEFAULT 0 ++#endif ++ + /* EABI targets should enable interworking by default. */ + #undef TARGET_DEFAULT +-#define TARGET_DEFAULT MASK_INTERWORK ++#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT) + + /* The ARM BPABI functions return a boolean; they use no special + calling convention. */ |