patches/glibc/ports-2.9/110-arm-fix-sjlj-for-fpu.patch
author Michael Hope <michael.hope@linaro.org>
Wed Oct 19 15:27:32 2011 +1300 (2011-10-19)
changeset 2739 f320e22f2cba
permissions -rw-r--r--
arch: add softfp support

Some architectures support a mixed hard/soft floating point, where
the compiler emits hardware floating point instructions, but passes
the operands in core (aka integer) registers.

For example, ARM supports this mode (to come in the next changeset).

Add support for softfp cross compilers to the GCC and GLIBC
configuration. Needed for Ubuntu and other distros that are softfp.

Signed-off-by: Michael Hope <michael.hope@linaro.org>
[yann.morin.1998@anciens.enib.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 From: Mike Frysinger <vapier at gentoo dot org>
     2 To: libc-ports at sourceware dot org
     3 Subject: [PATCH] arm/fpu/setjmp.S: add missing hidden def
     4 Date: Thu, 25 Dec 2008 23:08:56 -0500
     5 
     6 All the other arm setjmp.S files provide a hidden alias for __sigsetjmp.
     7 Without this, we get a nice build failure like so:
     8 
     9 /var/tmp/cross/armv4l-unknown-linux-gnu/portage/cross-armv4l-unknown-linux-gnu/glibc-2.9_p20081201/work/build-default-armv4l-unknown-linux-gnu-nptl/libc_pic.os: In function `setjmp':
    10 unwind-pe.c:(.text+0x15a54): undefined reference to `__GI___sigsetjmp'
    11 /var/tmp/cross/armv4l-unknown-linux-gnu/portage/cross-armv4l-unknown-linux-gnu/glibc-2.9_p20081201/work/build-default-armv4l-unknown-linux-gnu-nptl/libc_pic.os: In function `__GI__setjmp':
    12 unwind-pe.c:(.text+0x15a64): undefined reference to `__GI___sigsetjmp'
    13 collect2: ld returned 1 exit status
    14 make[1]: *** [/var/tmp/cross/armv4l-unknown-linux-gnu/portage/cross-armv4l-unknown-linux-gnu/glibc-2.9_p20081201/work/build-default-armv4l-unknown-linux-gnu-nptl/libc.so] Error 1
    15 
    16 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
    17 ---
    18  sysdeps/arm/fpu/setjmp.S |    2 ++
    19  1 files changed, 2 insertions(+), 0 deletions(-)
    20 
    21 diff --git a/sysdeps/arm/fpu/setjmp.S b/sysdeps/arm/fpu/setjmp.S
    22 index 8432836..82a7e19 100644
    23 --- a/ports/sysdeps/arm/fpu/setjmp.S
    24 +++ b/ports/sysdeps/arm/fpu/setjmp.S
    25 @@ -33,3 +33,5 @@ ENTRY (__sigsetjmp)
    26  	/* Make a tail call to __sigjmp_save; it takes the same args.  */
    27  	B	PLTJMP(C_SYMBOL_NAME(__sigjmp_save))
    28  END (__sigsetjmp)
    29 +
    30 +hidden_def (__sigsetjmp)