patches/gcc/4.3.1/320-alpha-signal_h.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Sep 09 00:02:01 2009 +0200 (2009-09-09)
changeset 1525 4647e6fb994a
permissions -rw-r--r--
gcc: add patch to fix EABI for armv4t

As pointed out by Martin GUY, gcc incorrectly generates armv5t
instrcutions for EABI, even for cores that are an armv4t.
The new patch (for the 4.3 series) fixes the problem by downgrading
the default CPU for EABI to being an armv4t core.
     1 --- gcc-4.2.1-stock/gcc/config/alpha/linux-unwind.h	2005-06-24 20:22:41.000000000 -0500
     2 +++ gcc-4.2.1/gcc/config/alpha/linux-unwind.h	2007-09-01 20:21:34.000000000 -0500
     3 @@ -29,6 +29,9 @@ Boston, MA 02110-1301, USA.  */
     4  /* Do code reading to identify a signal frame, and set the frame
     5     state data appropriately.  See unwind-dw2.c for the structs.  */
     6  
     7 +/* Don't use this if inhibit_libc is set
     8 +   The build for this target will fail trying to include missing headers */
     9 +#ifndef inhibit_libc
    10  #include <signal.h>
    11  #include <sys/ucontext.h>
    12  
    13 @@ -80,3 +83,4 @@ alpha_fallback_frame_state (struct _Unwi
    14    fs->retaddr_column = 64;
    15    return _URC_NO_REASON;
    16  }
    17 +#endif /* inhibit_libc */