add armv4 fixup patches

SVN-Revision: 25322

toolchain/gcc/patches/4.5.1+l/830-arm_unbreak_armv4t.patch

@@ -0,0 +1,14 @@
+http://sourceware.org/ml/crossgcc/2008-05/msg00009.html
+
+diff -Nura gcc-4.5.1.orig/gcc/config/arm/linux-eabi.h gcc-4.5.1/gcc/config/arm/linux-eabi.h
+--- gcc-4.5.1.orig/gcc/config/arm/linux-eabi.h	2009-10-30 17:03:09.000000000 -0300
++++ gcc-4.5.1/gcc/config/arm/linux-eabi.h	2010-11-02 15:38:25.792208500 -0300
+@@ -44,7 +44,7 @@
+    The ARM10TDMI core is the default for armv5t, so set
+    SUBTARGET_CPU_DEFAULT to achieve this.  */
+ #undef  SUBTARGET_CPU_DEFAULT
+-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
++#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
+ 
+ /* TARGET_BIG_ENDIAN_DEFAULT is set in
+    config.gcc for big endian configurations.  */

toolchain/gcc/patches/4.5.1+l/840-armv4_pass_fix-v4bx_to_ld.patch

@@ -0,0 +1,18 @@
+--- a/gcc/config/arm/linux-eabi.h
++++ b/gcc/config/arm/linux-eabi.h
+@@ -63,10 +63,14 @@
+ #undef  GLIBC_DYNAMIC_LINKER
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
+ 
++/* For armv4 we pass --fix-v4bx to linker to support EABI */
++#undef TARGET_FIX_V4BX_SPEC
++#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}"
++
+ /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
+    use the GNU/Linux version, not the generic BPABI version.  */
+ #undef  LINK_SPEC
+-#define LINK_SPEC LINUX_TARGET_LINK_SPEC BE8_LINK_SPEC
++#define LINK_SPEC LINUX_TARGET_LINK_SPEC BE8_LINK_SPEC TARGET_FIX_V4BX_SPEC
+ 
+ /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
+    do not use -lfloat.  */