Re: [Qemu-devel] [PATCH] SH4 Fix missing 6th arg of syscall.

[Fabrice Bellard <fabrice@bellard.org>]

Can you provide a glibc and busybox binary for sh4eb so that I can 
include them in the linux user tests ?

Regards,

Fabrice.

Tomoyoshi ASANO wrote:
> Hello,
> 
> I tested big-endian binaries by sh4(eb)-linux-user 
> with a small patch(attached) for building sh4eb-linux-user.
> But I don't understand that this patch is needed or not.
> 
> sh4eb-linux-user is OK using static link binaries.
> 
> But I feel that sh4eb-linux-users has some problem(?)
> using dynamic link binaries.
> 
> 1) If host-os has /etc/ld.so.cache, sh4eb-linux-users is NG.
> 
> [root@triton ~] qemu-sh4eb -strace /usr/qemu-sh4eb/bin/busybox
> 28575 uname(0x4007f818) = 0
> 28575 brk(0,132617,1074264468,57,1074325300,4096) = 0x00487000
> 28575 access("/etc/ld.so.preload",04) = -1 errno=2 (No such file or 
> directory)
> 28575 open("/etc/ld.so.cache",0,01) = 3
> 28575 fstat64(3,0x4007f234) = 0
> 28575 mmap(0,66277,1,2,3,0) = 0x42081000
> 28575 close(3) = 0
> Unhandled trap: 0xa0
> pc=0x400870d0 sr=0x00008001 pr=0x40086e32 fpscr=0x00080000
> r0=0x00000348 r1=0xb61a0ff4 r2=0x2a2c1010 r3=0x0000000c
> r4=0x400a4000 r5=0x40092afc r6=0x0000000b r7=0x00000002
> r8=0x7411fff4 r9=0x000102e5 r10=0x1f017fff r11=0x17dd02d5
> r12=0x400a4000 r13=0x3e02ffff r14=0x4007f2b0 r15=0x4007f2b0
> r16=0x00000000 r17=0x00000000 r18=0x00000000 r19=0x00000000
> r20=0x00000000 r21=0x00000000 r22=0x00000000 r23=0x00000000
> 
> But if no /etc/ld.so.cache in host-os, sh4eb-linux-users is OK.
> 
> 2) If host-os has /lib/tls/*, sh4eb-linux-users is NG.
> 
> root@triton ~] qemu-sh4eb -strace /usr/qemu-sh4eb/bin/busybox
> 28580 uname(0x4007f818) = 0
> 28580 brk(0,132617,1074264468,57,1074325300,4096) = 0x00487000
> 28580 access("/etc/ld.so.preload",04) = -1 errno=2 (No such file or 
> directory)
> 28580 open("/etc/ld.so.cache",0,01) = -1 errno=2 (No such file or 
> directory)
> 28580 open("/lib/tls/libm.so.6",0,012) = 3
> 28580 read(3,0x4007f308,512) = 512
> 28580 close(3) = 0
> 28580 writev(2,0x4007efb8,0xa)/usr/qemu-sh4eb/bin/busybox: error 
> while loading shared libraries: /lib/tls/libm.so.6: ELF file data
> encoding not big-endian
>  = 125
> 28580 exit_group(127)
> 
> But if no /lib/tls in host-os, sh4eb-linux-users is OK.
> 
> please help if possible.
> 
> Thanks,
> --
> 
> On Wed, 21 Nov 2007 10:43:49 +0900
> Tomoyoshi ASANO <asa@lineo.co.jp> wrote:
> 
>> Hell,
>>
>> This is very nice!
>>
>> I tested using glibc-2.5
>> It seems good.
>>
>> Thank you
>>
>> On Wed, 21 Nov 2007 09:24:41 +0900
>> "Magnus Damm" <magnus.damm@gmail.com> wrote:
>>
>>> Hi there,
>>>
>>> On Nov 20, 2007 11:48 PM,  <takasi-y@ops.dti.ne.jp> wrote:
>>>> I found 6th arg for syscall is missing on SH4 linux-user emulation.
>>>> This seems to be the cause of shared library mapping failure.
>>>> I successfully run shared-lib'd binary, after applying following fix.
>>> Hehe, I managed to create the exact same patch yesterday evening. So
>>> this email is just to acknowledge this fix. Dynamically linked
>>> binaries using uclibc-0.9.29 or glibc-2.3.6 both work well. Thank you.
>>>
>>> / magnus
>>>