NetCube-Systems-Austria/kumquat-buildroot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

3.3.5 needs arm big endian lovin too

Browse Source
This commit is contained in:
Mike Frysinger 2005-03-01 02:48:11 +00:00
parent bb352e9616
commit 74d1a95f1f
2 changed files with 93 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
toolchain/gcc/3.3.5/800-arm-bigendian.patch Normal file
View File

@ -0,0 +1,68 @@
By Lennert Buytenhek <buytenh@wantstofly.org>
Adds support for arm*b-linux* big-endian ARM targets
See http://gcc.gnu.org/PR16350
--- gcc-3.3.5-dist/gcc/config/arm/linux-elf.h
+++ gcc-3.3.5/gcc/config/arm/linux-elf.h
@@ -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 -ARM_FLAG_BIG_END
+#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__"
@@ -100,7 +117,7 @@
%{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
--- gcc-3.3.5-dist/gcc/config.gcc
+++ gcc-3.3.5/gcc/config.gcc
@@ -710,6 +710,11 @@
;;
arm*-*-linux*) # ARM GNU/Linux with ELF
tm_file="dbxelf.h elfos.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

25
toolchain/gcc/3.3.5/810-arm-bigendian-uclibc.patch Normal file
View File

@ -0,0 +1,25 @@
--- gcc-3.3.5-dist/gcc/config/arm/linux-elf.h
+++ gcc-3.3.5/gcc/config/arm/linux-elf.h
@@ -106,7 +106,7 @@
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0} \
-X \
- %{mbig-endian:-EB}" \
+ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
SUBTARGET_EXTRA_LINK_SPEC
#else
#define LINK_SPEC "%{h*} %{version:-v} \
--- gcc-3.3.5-dist/gcc/config.gcc
+++ gcc-3.3.5/gcc/config.gcc
@@ -699,6 +699,11 @@
;;
arm*-*-linux-uclibc*) # ARM GNU/Linux with ELF - uClibc
tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h arm/linux-gas.h arm/linux-elf.h"
+ case $target in
+ arm*b-*)
+ tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines"
+ ;;
+ esac
tmake_file="t-slibgcc-elf-ver t-linux-uclibc arm/t-linux"
extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
gnu_ld=yes