patches/glibc/2.2.5/arm-asm-clobber.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue May 08 17:48:32 2007 +0000 (2007-05-08)
changeset 78 c3868084d81a
permissions -rw-r--r--
Huge fixes to glibc build, so that we can build at least (and at last):
- use ports addon even when installing headers,
- use optimisation (-O) when installing headers, to avoid unnecessary warnings (thanks Robert P. J. DAY for pointing this out!),
- lowest kernel version to use is only X.Y.Z, not X.Y.Z.T,
- a bit of preparations for NPTL (RSN I hope),
- fix fixing the linker scripts (changing the backup file is kind of useless and stupid);

Shut uClibc finish step: there really is nothing to do;

Add a patch for glibc-2.3.6 weak aliases handling on some archs (ARM and ALPHA at least);

Did not catch the make errors: fixed the pattern matching in scripts/functions;

Introduce a new log level, ALL:
- send components' build messages there,
- DEBUG log level is destined only for crosstool-NG debug messages,
- migrate sub-actions to use appropriate log levels;

Update the armeb-unknown-linux-gnu sample:
- it builds!
- uses gcc-4.0.4 and glibc-2.3.6,
- updated to latest config options set.
     1 http://gcc.gnu.org/PR11103
     2 
     3 Error:
     4 ../sysdeps/unix/sysv/linux/arm/sigaction.c: In function `__libc_sigaction':
     5 ../sysdeps/unix/sysv/linux/arm/sigaction.c:100: error: asm-specifier for variable `_a1' conflicts with asm clobber list
     6 ../sysdeps/unix/sysv/linux/arm/sigaction.c:139: error: asm-specifier for variable `_a1' conflicts with asm clobber list
     7 make[2]: *** [/crosstool-0.22/build/arm-unknown-linux-gnu/gcc-3.3-glibc-2.2.5/build-glibc/signal/sigaction.o] Error 1
     8 
     9 Fix from http://lists.arm.linux.org.uk/pipermail/linux-arm/2003-July/005826.html
    10 rediffed against glibc-2.2.5
    11 Not tested.  (I don't even understand it, just being a patch monkey...)
    12 
    13 --- glibc-2.2.5/sysdeps/unix/sysv/linux/arm/sysdep.h.old	Wed Aug 27 09:58:15 2003
    14 +++ glibc-2.2.5/sysdeps/unix/sysv/linux/arm/sysdep.h	Wed Aug 27 09:59:04 2003
    15 @@ -131,7 +131,7 @@
    16         asm volatile ("swi	%1	@ syscall " #name	\
    17  		     : "=r" (_a1)				\
    18  		     : "i" (SYS_ify(name)) ASM_ARGS_##nr	\
    19 -		     : "a1", "memory");				\
    20 +		     : "memory");				\
    21         _sys_result = _a1;					\
    22       }								\
    23       if (_sys_result >= (unsigned int) -4095)			\