revert ARM to oabi by default, add some eabi patches for fixing up the toolchain, which unfortunately break eabi userland, but are IMHO a necessary basis for further eabi fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10458 3c298f89-4303-0410-b956-a3cf2f4a3e73

10 files changed, 194 insertions, 5 deletions

diff --git a/include/package.mk b/include/package.mk
index 7f9437c33..74ad47874 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -30,7 +30,7 @@ include $(INCLUDE_DIR)/package-bin.mk
 include $(INCLUDE_DIR)/autotools.mk
 
 override MAKEFLAGS=
-export CONFIG_SITE:=$(INCLUDE_DIR)/site/$(REAL_GNU_TARGET_NAME)
+export CONFIG_SITE:=$(INCLUDE_DIR)/site/$(patsubst %gnueabi,%,$(REAL_GNU_TARGET_NAME))
 CUR_MAKEFILE:=$(filter-out Makefile,$(firstword $(MAKEFILE_LIST)))
 SUBMAKE:=$(NO_TRACE_MAKE) $(if $(CUR_MAKEFILE),-f $(CUR_MAKEFILE))
 
diff --git a/rules.mk b/rules.mk
index da16ed446..7cc9add1b 100644
--- a/rules.mk
+++ b/rules.mk
@@ -51,9 +51,9 @@ IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
 
 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
   -include $(TOOLCHAIN_DIR)/info.mk
-  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
+  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc-)
+  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
 endif
 
 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
diff --git a/target/linux/ixp4xx/config-default b/target/linux/ixp4xx/config-default
index f9cfe5323..5116bd82b 100644
--- a/target/linux/ixp4xx/config-default
+++ b/target/linux/ixp4xx/config-default
@@ -298,7 +298,7 @@ CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
 # CONFIG_NO_IDLE_HZ is not set
 # CONFIG_NTFS_FS is not set
 # CONFIG_NVRAM is not set
-# CONFIG_OABI_COMPAT is not set
+CONFIG_OABI_COMPAT=y
 # CONFIG_PATA_ALI is not set
 # CONFIG_PATA_AMD is not set
 CONFIG_PATA_ARTOP=m
diff --git a/toolchain/Config.in b/toolchain/Config.in
index 7fa32566d..192818f94 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -55,7 +55,7 @@ config TARGET_OPTIMIZATION
 	default "-O2 -pipe -march=i486 -funit-at-a-time" if TARGET_x86
 	default "-Os -pipe -march=i486 -funit-at-a-time" if TARGET_rdc
 	default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips
-	default "-Os -pipe -mabi=aapcs-linux -march=armv5te -mtune=xscale -funit-at-a-time" if armeb || arm
+	default "-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time" if armeb || arm
 	default "-Os -pipe -funit-at-a-time"
 	help
 	  Optimizations to use when building for the target host.
diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in
index 01557138d..13b5238bf 100644
--- a/toolchain/gcc/Config.in
+++ b/toolchain/gcc/Config.in
@@ -34,6 +34,15 @@ choice
 
 endchoice
 
+config EABI_SUPPORT
+	bool
+	depends arm||armeb
+	depends BROKEN
+	prompt "Enable EABI support" if TOOLCHAINOPTS
+	default n
+	help
+	  Enable ARM EABI support
+
 config EXTRA_GCC_CONFIG_OPTIONS
 	string
 	prompt "Additional gcc options" if TOOLCHAINOPTS
diff --git a/toolchain/gcc/patches/4.1.2/930-eabi_fixes.patch b/toolchain/gcc/patches/4.1.2/930-eabi_fixes.patch
new file mode 100644
index 000000000..03814b9a9
--- /dev/null
+++ b/toolchain/gcc/patches/4.1.2/930-eabi_fixes.patch
@@ -0,0 +1,36 @@
+Index: gcc-4.1.2/gcc/config.gcc
+===================================================================
+--- gcc-4.1.2.orig/gcc/config.gcc	2008-02-12 23:29:31.037442374 +0100
++++ gcc-4.1.2/gcc/config.gcc	2008-02-12 23:30:11.051722656 +0100
+@@ -670,7 +670,7 @@
+ 	extra_parts=""
+ 	use_collect2=yes
+ 	;;
+-arm*-*-linux*)			# ARM GNU/Linux with ELF
++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" 
+ 	case $target in
+ 	arm*b-*)
+@@ -679,7 +679,7 @@
+ 	esac
+ 	tmake_file="${tmake_file} t-linux arm/t-arm"
+ 	case ${target} in
+-	arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
++	arm*-*eabi)
+ 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
+   	    # The BPABI long long divmod functions return a 128-bit value in 
+Index: gcc-4.1.2/gcc/config/arm/linux-eabi.h
+===================================================================
+--- gcc-4.1.2.orig/gcc/config/arm/linux-eabi.h	2008-02-12 23:51:04.655161444 +0100
++++ gcc-4.1.2/gcc/config/arm/linux-eabi.h	2008-02-12 23:51:10.619501332 +0100
+@@ -48,7 +48,8 @@
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+ 
+ #undef SUBTARGET_EXTRA_LINK_SPEC
+-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
++#define SUBTARGET_EXTRA_LINK_SPEC \
++	" %{mbig-endian:-m armelfb_linux_eabi} %{mlittle-endian:-m armelf_linux_eabi} "
+ 
+ /* Use ld-linux.so.3 so that it will be possible to run "classic"
+    GNU/Linux binaries on an EABI system.  */
diff --git a/toolchain/gcc/patches/4.2.0/930-eabi_fixes.patch b/toolchain/gcc/patches/4.2.0/930-eabi_fixes.patch
new file mode 100644
index 000000000..52b56899d
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.0/930-eabi_fixes.patch
@@ -0,0 +1,36 @@
+Index: gcc-4.2.0/gcc/config.gcc
+===================================================================
+--- gcc-4.2.0.orig/gcc/config.gcc	2008-02-13 00:19:06.507477329 +0100
++++ gcc-4.2.0/gcc/config.gcc	2008-02-13 00:19:42.239640606 +0100
+@@ -701,7 +701,7 @@
+ 	extra_parts=""
+ 	use_collect2=yes
+ 	;;
+-arm*-*-linux*)			# ARM GNU/Linux with ELF
++arm*-linux*)			# ARM GNU/Linux with ELF
+ 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
+ 	tmake_file="${tmake_file} t-linux arm/t-arm"
+ 	case ${target} in
+@@ -710,7 +710,7 @@
+ 		;;
+ 	esac
+ 	case ${target} in
+-	arm*-*-linux-*eabi)
++	arm*-linux-*eabi)
+ 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
+   	    # The BPABI long long divmod functions return a 128-bit value in
+Index: gcc-4.2.0/gcc/config/arm/linux-eabi.h
+===================================================================
+--- gcc-4.2.0.orig/gcc/config/arm/linux-eabi.h	2008-02-13 00:18:31.343062422 +0100
++++ gcc-4.2.0/gcc/config/arm/linux-eabi.h	2008-02-13 00:19:11.825120518 +0100
+@@ -48,7 +48,8 @@
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+ 
+ #undef SUBTARGET_EXTRA_LINK_SPEC
+-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
++#define SUBTARGET_EXTRA_LINK_SPEC \
++	" %{mbig-endian:-m armelfb_linux_eabi} %{mlittle-endian:-m armelf_linux_eabi} "
+ 
+ /* Use ld-linux.so.3 so that it will be possible to run "classic"
+    GNU/Linux binaries on an EABI system.  */
diff --git a/toolchain/gcc/patches/4.2.1/930-eabi_fixes.patch b/toolchain/gcc/patches/4.2.1/930-eabi_fixes.patch
new file mode 100644
index 000000000..52b56899d
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.1/930-eabi_fixes.patch
@@ -0,0 +1,36 @@
+Index: gcc-4.2.0/gcc/config.gcc
+===================================================================
+--- gcc-4.2.0.orig/gcc/config.gcc	2008-02-13 00:19:06.507477329 +0100
++++ gcc-4.2.0/gcc/config.gcc	2008-02-13 00:19:42.239640606 +0100
+@@ -701,7 +701,7 @@
+ 	extra_parts=""
+ 	use_collect2=yes
+ 	;;
+-arm*-*-linux*)			# ARM GNU/Linux with ELF
++arm*-linux*)			# ARM GNU/Linux with ELF
+ 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
+ 	tmake_file="${tmake_file} t-linux arm/t-arm"
+ 	case ${target} in
+@@ -710,7 +710,7 @@
+ 		;;
+ 	esac
+ 	case ${target} in
+-	arm*-*-linux-*eabi)
++	arm*-linux-*eabi)
+ 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
+   	    # The BPABI long long divmod functions return a 128-bit value in
+Index: gcc-4.2.0/gcc/config/arm/linux-eabi.h
+===================================================================
+--- gcc-4.2.0.orig/gcc/config/arm/linux-eabi.h	2008-02-13 00:18:31.343062422 +0100
++++ gcc-4.2.0/gcc/config/arm/linux-eabi.h	2008-02-13 00:19:11.825120518 +0100
+@@ -48,7 +48,8 @@
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+ 
+ #undef SUBTARGET_EXTRA_LINK_SPEC
+-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
++#define SUBTARGET_EXTRA_LINK_SPEC \
++	" %{mbig-endian:-m armelfb_linux_eabi} %{mlittle-endian:-m armelf_linux_eabi} "
+ 
+ /* Use ld-linux.so.3 so that it will be possible to run "classic"
+    GNU/Linux binaries on an EABI system.  */
diff --git a/toolchain/gcc/patches/4.2.2/930-eabi_fixes.patch b/toolchain/gcc/patches/4.2.2/930-eabi_fixes.patch
new file mode 100644
index 000000000..52b56899d
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.2/930-eabi_fixes.patch
@@ -0,0 +1,36 @@
+Index: gcc-4.2.0/gcc/config.gcc
+===================================================================
+--- gcc-4.2.0.orig/gcc/config.gcc	2008-02-13 00:19:06.507477329 +0100
++++ gcc-4.2.0/gcc/config.gcc	2008-02-13 00:19:42.239640606 +0100
+@@ -701,7 +701,7 @@
+ 	extra_parts=""
+ 	use_collect2=yes
+ 	;;
+-arm*-*-linux*)			# ARM GNU/Linux with ELF
++arm*-linux*)			# ARM GNU/Linux with ELF
+ 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
+ 	tmake_file="${tmake_file} t-linux arm/t-arm"
+ 	case ${target} in
+@@ -710,7 +710,7 @@
+ 		;;
+ 	esac
+ 	case ${target} in
+-	arm*-*-linux-*eabi)
++	arm*-linux-*eabi)
+ 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
+   	    # The BPABI long long divmod functions return a 128-bit value in
+Index: gcc-4.2.0/gcc/config/arm/linux-eabi.h
+===================================================================
+--- gcc-4.2.0.orig/gcc/config/arm/linux-eabi.h	2008-02-13 00:18:31.343062422 +0100
++++ gcc-4.2.0/gcc/config/arm/linux-eabi.h	2008-02-13 00:19:11.825120518 +0100
+@@ -48,7 +48,8 @@
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+ 
+ #undef SUBTARGET_EXTRA_LINK_SPEC
+-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
++#define SUBTARGET_EXTRA_LINK_SPEC \
++	" %{mbig-endian:-m armelfb_linux_eabi} %{mlittle-endian:-m armelf_linux_eabi} "
+ 
+ /* Use ld-linux.so.3 so that it will be possible to run "classic"
+    GNU/Linux binaries on an EABI system.  */
diff --git a/toolchain/gcc/patches/4.2.3/930-eabi_fixes.patch b/toolchain/gcc/patches/4.2.3/930-eabi_fixes.patch
new file mode 100644
index 000000000..52b56899d
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.3/930-eabi_fixes.patch
@@ -0,0 +1,36 @@
+Index: gcc-4.2.0/gcc/config.gcc
+===================================================================
+--- gcc-4.2.0.orig/gcc/config.gcc	2008-02-13 00:19:06.507477329 +0100
++++ gcc-4.2.0/gcc/config.gcc	2008-02-13 00:19:42.239640606 +0100
+@@ -701,7 +701,7 @@
+ 	extra_parts=""
+ 	use_collect2=yes
+ 	;;
+-arm*-*-linux*)			# ARM GNU/Linux with ELF
++arm*-linux*)			# ARM GNU/Linux with ELF
+ 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
+ 	tmake_file="${tmake_file} t-linux arm/t-arm"
+ 	case ${target} in
+@@ -710,7 +710,7 @@
+ 		;;
+ 	esac
+ 	case ${target} in
+-	arm*-*-linux-*eabi)
++	arm*-linux-*eabi)
+ 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
+   	    # The BPABI long long divmod functions return a 128-bit value in
+Index: gcc-4.2.0/gcc/config/arm/linux-eabi.h
+===================================================================
+--- gcc-4.2.0.orig/gcc/config/arm/linux-eabi.h	2008-02-13 00:18:31.343062422 +0100
++++ gcc-4.2.0/gcc/config/arm/linux-eabi.h	2008-02-13 00:19:11.825120518 +0100
+@@ -48,7 +48,8 @@
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+ 
+ #undef SUBTARGET_EXTRA_LINK_SPEC
+-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
++#define SUBTARGET_EXTRA_LINK_SPEC \
++	" %{mbig-endian:-m armelfb_linux_eabi} %{mlittle-endian:-m armelf_linux_eabi} "
+ 
+ /* Use ld-linux.so.3 so that it will be possible to run "classic"
+    GNU/Linux binaries on an EABI system.  */