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authorFelix Fietkau <nbd@openwrt.org>2009-10-10 19:25:48 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-10-10 19:25:48 +0000
commit215ccb66e6abdaed0a41582d6b8c40ffa340eea7 (patch)
treee8ecd7ecc708bda6515831abaffbcb8d9ee65d5f /toolchain/gcc/patches/llvm/800-arm-bigendian.patch
parentb49cdabd4ae2c0239dc12eda5e1b7a21b9c2e5dc (diff)
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gcc: add llvm-gcc and llvm from trunk (does not successfully compile a target yet, but gets close)
SVN-Revision: 18019
Diffstat (limited to 'toolchain/gcc/patches/llvm/800-arm-bigendian.patch')
-rw-r--r--toolchain/gcc/patches/llvm/800-arm-bigendian.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/llvm/800-arm-bigendian.patch b/toolchain/gcc/patches/llvm/800-arm-bigendian.patch
new file mode 100644
index 0000000..6d0356b
--- /dev/null
+++ b/toolchain/gcc/patches/llvm/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
+
+--- a/gcc/config/arm/linux-elf.h
++++ b/gcc/config/arm/linux-elf.h
+@@ -28,19 +28,33 @@
+ #undef TARGET_VERSION
+ #define TARGET_VERSION fputs (" (ARM GNU/Linux with ELF)", stderr);
+
++/*
++ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*
++ * (big endian) configurations.
++ */
++#if TARGET_BIG_ENDIAN_DEFAULT
++#define TARGET_ENDIAN_DEFAULT MASK_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" }
+
+ /* Now we define the strings used to build the spec file. */
+ #undef LIB_SPEC
+@@ -61,7 +75,7 @@
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "} \
+ -X \
+- %{mbig-endian:-EB}" \
++ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
+ SUBTARGET_EXTRA_LINK_SPEC
+
+ #undef LINK_SPEC
+--- a/gcc/config.gcc
++++ b/gcc/config.gcc
+@@ -764,6 +764,11 @@ arm*-*-linux*) # ARM GNU/Linux with EL
+ 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 ${target} in
++ arm*b-*)
++ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
++ ;;
++ esac
++ case ${target} in
+ arm*-*-linux-*eabi)
+ tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"