On Fri, 14 Feb 2014, Richard Earnshaw wrote: > On 31/01/14 19:59, Kyle McMartin wrote: > > Hi, > > > > Similar to other architectures, failing to set TRY_EMPTY_VM_SPACE > > results in a Segmentation Fault and ICE in cc1plus when using > > precompiled headers and randomize_va_space is set. This patch fixes the > > issue, and now I can reliably build packages which use pch (wxGTK and > > openjdk in particular would fail every time. wxGTK has survived 30 build > > attempts without failure now.) > > > > (The exact value is unimportant, as long as it's in an unused area. I > > suspect that the fallback buffer_size code path hasn't been fixed up > > since the exec-shield days and could use a re-think now that mmap > > randomization is upstream. I've been trying to debug exactly why it > > fails for all architctures, so we can remove this, but haven't had much > > luck yet.) > > > > This is similar to pch/45979, pch/14940, target/25343. > > > > Bootstrapped and tested on aarch64-linux-gnu. > > > > regards, Kyle > > > > 2014-01-31 Kyle McMartin <k...@redhat.com> > > > > PR pch/60010 > > * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for AArch64. > > > > This is OK, subject to RM approval.
Works for me. Richard. > R. > > > --- a/gcc/config/host-linux.c > > +++ b/gcc/config/host-linux.c > > @@ -86,6 +86,8 @@ > > # define TRY_EMPTY_VM_SPACE 0x60000000 > > #elif defined(__mc68000__) > > # define TRY_EMPTY_VM_SPACE 0x40000000 > > +#elif defined(__aarch64__) > > +# define TRY_EMPTY_VM_SPACE 0x1000000000 > > #elif defined(__ARM_EABI__) > > # define TRY_EMPTY_VM_SPACE 0x60000000 > > #elif defined(__mips__) && defined(__LP64__) > > > > > -- Richard Biener <rguent...@suse.de> SUSE / SUSE Labs SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746 GF: Jeff Hawn, Jennifer Guild, Felix Imend"orffer
