From 1fc46cb1c470639a2dd3cc43f2e49e513ed225b7 Mon Sep 17 00:00:00 2001
From: Imre Kaloz <kaloz@openwrt.org>
Date: Sun, 6 Aug 2006 10:42:12 +0000
Subject: add XScale support to -ng

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4475 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 toolchain/gcc/Config.version                       |  2 +
 .../gcc/patches/4.0.3/800-arm-bigendian.patch      | 67 ++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 toolchain/gcc/patches/4.0.3/800-arm-bigendian.patch

(limited to 'toolchain/gcc')

diff --git a/toolchain/gcc/Config.version b/toolchain/gcc/Config.version
index 877e6388fd..41aa2fb050 100644
--- a/toolchain/gcc/Config.version
+++ b/toolchain/gcc/Config.version
@@ -15,6 +15,8 @@ if !TOOLCHAINOPTS
 		default y if LINUX_2_4_BRCM
 	config GCC_VERSION_4_1_1
 		default y if LINUX_2_6_ARUBA
+	config GCC_VERSION_4_0_3
+		default y if LINUX_2_6_XSCALE
 endif
 
 
diff --git a/toolchain/gcc/patches/4.0.3/800-arm-bigendian.patch b/toolchain/gcc/patches/4.0.3/800-arm-bigendian.patch
new file mode 100644
index 0000000000..307aea3ea3
--- /dev/null
+++ b/toolchain/gcc/patches/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
-- 
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