Hi, On Tue, Aug 14, 2012 at 1:50 AM, Andreas Bießmann <andreas.de...@googlemail.com> wrote: > Dear all, > > On 13.08.2012 11:02, Andreas Bießmann wrote: >> From: Andreas Bießmann <biessm...@corscience.de> >> >> The avr32 architecture (and some others) require manual relocation. Due to >> the >> previous error all avr32 boards gave warnings in MAKEALL wich makes it hard >> to >> find new warnings. >> >> This patch fixes following warning: >> ---8<--- >> dlmalloc.c: In function 'malloc_bin_reloc': >> dlmalloc.c:1493: warning: dereferencing pointer 'p' does break >> strict-aliasing rules >> dlmalloc.c:1493: warning: dereferencing pointer 'p' does break >> strict-aliasing rules >> dlmalloc.c:1490: note: initialized from here >> dlmalloc.c:1493: note: initialized from here >> --->8--- >> >> Signed-off-by: Andreas Bießmann <biessm...@corscience.de> >> --- >> A question to all the other related arches, namely m68k, mips, nds32 and >> sparc: Do you encounter the same warnings or is this warning due to my >> outdated compiler (4.4.3 currently, unfortunately atmel do not bother to send >> their patches mainline)? >> >> common/dlmalloc.c | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/common/dlmalloc.c b/common/dlmalloc.c >> index c645d73..78b1885 100644 >> --- a/common/dlmalloc.c >> +++ b/common/dlmalloc.c >> @@ -1485,9 +1485,10 @@ static mbinptr av_[NAV * 2 + 2] = { >> }; >> >> #ifdef CONFIG_NEEDS_MANUAL_RELOC >> +typedef unsigned long __attribute__((__may_alias__)) ulong_aliased; >> void malloc_bin_reloc (void) >> { >> - unsigned long *p = (unsigned long *)(&av_[2]); >> + ulong_aliased *p = (ulong_aliased *)(&av_[2]); >> int i; >> for (i=2; i<(sizeof(av_)/sizeof(mbinptr)); ++i) { >> *p++ += gd->reloc_off; >> > > this seems to be related to > http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/121848/focus=121849 > can you Wolfgang and/or Simon please comment.
My only comment is that I created that patch due to errors I saw at the time, and still see with the toolchain I use for avr32. Regards, Simon > > best regards > > Andreas Bießmann _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot