?? 800-arm-bigendian.patch
字號(hào):
By Lennert Buytenhek <buytenh@wantstofly.org>Adds support for arm*b-linux* big-endian ARM targetsSee http://gcc.gnu.org/PR16350diff -urN gcc-3.4.1-dist/gcc/config/arm/linux-elf.h gcc-3.4.1/gcc/config/arm/linux-elf.h--- gcc-3.4.1-dist/gcc/config/arm/linux-elf.h 2004-08-16 16:01:50.000000000 -0500+++ gcc-3.4.1/gcc/config/arm/linux-elf.h 2004-08-16 15:43:40.000000000 -0500@@ -30,17 +30,34 @@ /* 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+ /* Default is to use APCS-32 mode. */ #undef TARGET_DEFAULT-#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)+#define TARGET_DEFAULT \+ ( ARM_FLAG_APCS_32 | \+ ARM_FLAG_MMU_TRAPS | \+ 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", "mapcs-32", "mno-thumb-interwork" }+ { "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mapcs-32", "mno-thumb-interwork" } #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__" @@ -101,7 +118,7 @@ %{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 #endif diff -urN gcc-3.4.1-dist/gcc/config.gcc gcc-3.4.1/gcc/config.gcc--- gcc-3.4.1-dist/gcc/config.gcc 2004-08-16 16:01:50.000000000 -0500+++ gcc-3.4.1/gcc/config.gcc 2004-08-16 16:01:25.000000000 -0500@@ -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="t-slibgcc-elf-ver t-linux arm/t-linux" extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o" gnu_ld=yes?? 快捷鍵說明
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