patches/gcc/4.2.3/280-eabi_fixes.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
parent 533 81a582c81c13
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(+)
     1 diff -durN gcc-4.2.3.orig/gcc/config/arm/linux-eabi.h gcc-4.2.3/gcc/config/arm/linux-eabi.h
     2 --- gcc-4.2.3.orig/gcc/config/arm/linux-eabi.h	2007-09-01 17:28:30.000000000 +0200
     3 +++ gcc-4.2.3/gcc/config/arm/linux-eabi.h	2008-05-25 23:47:36.000000000 +0200
     4 @@ -47,7 +47,8 @@
     5  #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
     6  
     7  #undef SUBTARGET_EXTRA_LINK_SPEC
     8 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
     9 +#define SUBTARGET_EXTRA_LINK_SPEC	\
    10 +	" %{mlittle-endian:-m armelf_linux_eabi} %{mbig-endian:-m armelfb_linux_eabi}"
    11  
    12  /* Use ld-linux.so.3 so that it will be possible to run "classic"
    13     GNU/Linux binaries on an EABI system.  */