patches/gcc/4.1.1/110-arm-eabi.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Oct 14 17:42:10 2008 +0000 (2008-10-14)
changeset 929 7c958fb04f28
permissions -rw-r--r--
Sample config for e500v2 toolchain

On Tuesday 14 October 2008 17:05:31 Nate Case wrote:
> This is a sample config file for Freescale e500v2 processors (e.g.,
> MPC8548, MPC8572). It uses eglibc (for e500/SPE patches) and a recent
> gcc (4.3.1, for e500v2 DPFP support) and will generate appropriate
> dual-precision floating point instructions by default.
>
> Note: If building a Linux kernel with this toolchain, you will want to
> make sure -mno-spe AND -mspe=no are passed to gcc to prevent SPE
> ABI/instructions from getting into the kernel (which is currently
> unsupported). At this time, the kernel build system only passes
> -mno-spe by default (this should be fixed soon hopefully).
>
> A binutils snapshot is used to fix a bug present in 2.18 preventing
> U-Boot from being compiled (CodeSourcery issue #2297: internal.h
> (ELF_IS_SECTION_IN_SEGMENT): Adjust to cope with segments at the end of
> memory).

Obsoletes the powerpc-unknown-linux-gnuspe sample, so remove it.

/trunk/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 307 307 0 0 +++++++++++++++++++
1 file changed, 307 insertions(+)
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--- gcc-2005q3-1.orig/gcc/config.gcc	2005-10-31 19:02:54.000000000 +0300
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+++ gcc-2005q3-1/gcc/config.gcc	2006-01-27 01:09:09.000000000 +0300
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@@ -674,7 +674,7 @@
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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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 	tmake_file="${tmake_file} t-linux arm/t-arm"
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 	case ${target} in
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-	arm*-*-linux-gnueabi)
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+	arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
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 	    tm_file="$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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diff -urN gcc-2005q3-2/gcc/config/arm/linux-eabi.h gcc-2005q3-2.new/gcc/config/arm/linux-eabi.h
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--- gcc-2005q3-2/gcc/config/arm/linux-eabi.h	2005-12-07 23:14:16.000000000 +0300
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+++ gcc-2005q3-2.new/gcc/config/arm/linux-eabi.h	2006-03-29 19:02:34.000000000 +0400
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@@ -53,7 +53,11 @@
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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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 #undef LINUX_TARGET_INTERPRETER
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+#ifdef USE_UCLIBC
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+#define LINUX_TARGET_INTERPRETER "/lib/ld-uClibc.so.0"
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+#else
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 #define LINUX_TARGET_INTERPRETER "/lib/ld-linux.so.3"
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+#endif
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 /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
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    use the GNU/Linux version, not the generic BPABI version.  */