On Thu, Apr 2, 2020 at 12:47 PM Philippe Mathieu-Daudé <
address@hidden> wrote:
Cc'ing the persons referenced in the commit you referred,
who happened to be chatting about this issue few hours ago on IRC.
Thanks, adding --disable-pie to configure solves this issue, but I guess the default detection should work ;-)
Best,
Howard
On 4/2/20 11:28 AM, Howard Spoelstra wrote:
> Hi,
>
> I just compiled qemu-system-ppc for Windows, using native msys2 on
> Windows 10 64 bit and the 64 bit mingw cross compiler on Fedora 31. Both
> create executables that crash:
>
> qemu-system-ppc.exe -L pc-bios -boot c -m 512 -M mac99,via=pmu -h
> da C:\Mac-disks\9.2.img
> Exception code=0xc0000005 flags=0x0 at 0x00007FFB2A602078. Access
> violation - attempting to write data at address 0x00000000034C76EC
>
> I bisected this down to:
>
> d2cd29e30736afd4a1e8cac3cf4da360bbc65978 is the first bad commit
> commit d2cd29e30736afd4a1e8cac3cf4da360bbc65978
> Author: Richard Henderson <address@hidden
> <mailto:address@hidden>>
> Date: Tue Dec 17 13:47:37 2019 -1000
>
> configure: Do not force pie=no for non-x86
>
> PIE is supported on many other hosts besides x86.
>
> The default for non-x86 is now the same as x86: pie is used
> if supported, and may be forced via --enable/--disable-pie.
>
> The original commit (40d6444e91c) said:
>
> "Non-x86 are not changed, as they require TCG changes"
>
> but I think that's wrong -- there's nothing about PIE that
> affects TCG one way or another.
>
> Tested on aarch64 (bionic) and ppc64le (centos 7) hosts.
>
> Tested-by: Alex Bennée <address@hidden
> <mailto:address@hidden>>
> Reviewed-by: Alex Bennée <address@hidden
> <mailto:address@hidden>>
> Reviewed-by: Philippe Mathieu-Daudé <address@hidden
> <mailto:address@hidden>>
> Signed-off-by: Richard Henderson <address@hidden
> <mailto:address@hidden>>
>
> Please note that I tried again after applying patch
> https://patchwork.ozlabs.org/patch/1265368/ However, this has not solved
> my issue.
>
> Best,
> Howard
>
>