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fixup ARM EABI on GCC 4.1.2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10480 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -3,8 +3,10 @@ Adds support for arm*b-linux* big-endian ARM targets
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See http://gcc.gnu.org/PR16350
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--- gcc-4.1.0/gcc/config/arm/linux-elf.h
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+++ gcc-4.1.0/gcc/config/arm/linux-elf.h
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Index: gcc-4.1.1/gcc/config/arm/linux-elf.h
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===================================================================
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--- gcc-4.1.1.orig/gcc/config/arm/linux-elf.h
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+++ gcc-4.1.1/gcc/config/arm/linux-elf.h
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@@ -28,19 +28,33 @@
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#undef TARGET_VERSION
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#define TARGET_VERSION fputs (" (ARM GNU/Linux with ELF)", stderr);
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@ -51,9 +53,11 @@ See http://gcc.gnu.org/PR16350
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SUBTARGET_EXTRA_LINK_SPEC
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#undef LINK_SPEC
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--- gcc-4.1.0/gcc/config.gcc
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+++ gcc-4.1.0/gcc/config.gcc
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@@ -672,6 +672,11 @@
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Index: gcc-4.1.1/gcc/config.gcc
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===================================================================
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--- gcc-4.1.1.orig/gcc/config.gcc
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+++ gcc-4.1.1/gcc/config.gcc
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@@ -672,6 +672,11 @@ arm*-*-netbsd*)
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;;
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arm*-*-linux*) # ARM GNU/Linux with ELF
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tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
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@ -65,3 +69,59 @@ See http://gcc.gnu.org/PR16350
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tmake_file="${tmake_file} t-linux arm/t-arm"
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case ${target} in
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arm*-*-linux-gnueabi)
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Index: gcc-4.1.1/gcc/config/arm/linux-eabi.h
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===================================================================
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--- gcc-4.1.1.orig/gcc/config/arm/linux-eabi.h
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+++ gcc-4.1.1/gcc/config/arm/linux-eabi.h
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@@ -20,6 +20,17 @@
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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+/*
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+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*
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+ * (big endian) configurations.
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+ */
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+#undef TARGET_LINKER_EMULATION
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+#if TARGET_BIG_ENDIAN_DEFAULT
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+#define TARGET_LINKER_EMULATION "armelfb_linux_eabi"
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+#else
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+#define TARGET_LINKER_EMULATION "armelf_linux_eabi"
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+#endif
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+
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/* On EABI GNU/Linux, we want both the BPABI builtins and the
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GNU/Linux builtins. */
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#undef TARGET_OS_CPP_BUILTINS
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@@ -48,7 +59,7 @@
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#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
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#undef SUBTARGET_EXTRA_LINK_SPEC
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-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
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+#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION
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/* Use ld-linux.so.3 so that it will be possible to run "classic"
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GNU/Linux binaries on an EABI system. */
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Index: gcc-4.1.1/gcc/config/arm/bpabi.h
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===================================================================
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--- gcc-4.1.1.orig/gcc/config/arm/bpabi.h
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+++ gcc-4.1.1/gcc/config/arm/bpabi.h
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@@ -33,9 +33,19 @@
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#undef FPUTYPE_DEFAULT
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#define FPUTYPE_DEFAULT FPUTYPE_VFP
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+/*
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+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*
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+ * (big endian) configurations.
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+ */
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+#if TARGET_BIG_ENDIAN_DEFAULT
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+#define TARGET_ENDIAN_DEFAULT MASK_BIG_END
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+#else
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+#define TARGET_ENDIAN_DEFAULT 0
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+#endif
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+
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/* EABI targets should enable interworking by default. */
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#undef TARGET_DEFAULT
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-#define TARGET_DEFAULT MASK_INTERWORK
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+#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)
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/* The ARM BPABI functions return a boolean; they use no special
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calling convention. */
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@ -1,36 +0,0 @@
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Index: gcc-4.1.2/gcc/config.gcc
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===================================================================
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--- gcc-4.1.2.orig/gcc/config.gcc 2008-02-12 23:29:31.037442374 +0100
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+++ gcc-4.1.2/gcc/config.gcc 2008-02-12 23:30:11.051722656 +0100
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@@ -670,7 +670,7 @@
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extra_parts=""
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use_collect2=yes
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;;
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-arm*-*-linux*) # ARM GNU/Linux with ELF
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+arm*-linux*) # ARM GNU/Linux with ELF
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tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
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case $target in
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arm*b-*)
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@@ -679,7 +679,7 @@
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esac
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tmake_file="${tmake_file} t-linux arm/t-arm"
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case ${target} in
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- arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
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+ arm*-*eabi)
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tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
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tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
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# The BPABI long long divmod functions return a 128-bit value in
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Index: gcc-4.1.2/gcc/config/arm/linux-eabi.h
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===================================================================
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--- gcc-4.1.2.orig/gcc/config/arm/linux-eabi.h 2008-02-12 23:51:04.655161444 +0100
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+++ gcc-4.1.2/gcc/config/arm/linux-eabi.h 2008-02-12 23:51:10.619501332 +0100
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@@ -48,7 +48,8 @@
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#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
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#undef SUBTARGET_EXTRA_LINK_SPEC
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-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
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+#define SUBTARGET_EXTRA_LINK_SPEC \
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+ " %{mbig-endian:-m armelfb_linux_eabi} %{mlittle-endian:-m armelf_linux_eabi} "
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/* Use ld-linux.so.3 so that it will be possible to run "classic"
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GNU/Linux binaries on an EABI system. */
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