crosstool-ng/patches/gcc/3.4.6/220-arm-bigendian.patch

66 lines
2.3 KiB
Diff

diff -durN gcc-3.4.6.orig/gcc/config/arm/linux-elf.h gcc-3.4.6/gcc/config/arm/linux-elf.h
--- gcc-3.4.6.orig/gcc/config/arm/linux-elf.h 2007-08-15 22:51:01.000000000 +0200
+++ gcc-3.4.6/gcc/config/arm/linux-elf.h 2007-08-15 23:05:42.000000000 +0200
@@ -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__"
@@ -94,7 +111,7 @@
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "} \
-X \
- %{mbig-endian:-EB}" \
+ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
SUBTARGET_EXTRA_LINK_SPEC
#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
diff -durN gcc-3.4.6.orig/gcc/config.gcc gcc-3.4.6/gcc/config.gcc
--- gcc-3.4.6.orig/gcc/config.gcc 2007-08-15 22:51:01.000000000 +0200
+++ gcc-3.4.6/gcc/config.gcc 2007-08-15 23:05:42.000000000 +0200
@@ -678,6 +678,11 @@
;;
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