Re: Illegal instruction on sparc32-linux

[Thorsten Kukuk <kukuk@suse.de>]

On Fri, Apr 19, David S. Miller wrote:

>    From: Thorsten Kukuk <kukuk@suse.de>
>    Date: Fri, 19 Apr 2002 11:47:22 +0200
> 
>    On Thu, Apr 18, David S. Miller wrote:
>    
>    > Can you put the program under GDB so we can see what the instruction
>    > is that it is trapping on?
>    
>    I tried it. But when I compile it with -g, I cannot reproduce it from
>    the shell or from gdb. But if I call "make", it fails again.
>     
> It has to be dropping a core file somewhere, check that out
> with gdb.

Ok, here are the results:

Core was generated by `troff -U -ms -mwww -Tps'.
Program terminated with signal 4, Illegal instruction.
Couldn't read input and local registers from core file
Reading symbols from /usr/lib/libstdc++.so.4...done.
Loaded symbols for /usr/lib/libstdc++.so.4
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Couldn't read input and local registers from core file
#0  0x00042ddc in diversion::need(vunits) ()
(gdb) x/i $pc
0x42ddc <_ZN9diversion4needE6vunits+28>:        call  %o1
(gdb) disass 
Dump of assembler code for function _ZN9diversion4needE6vunits:
0x42dc0 <_ZN9diversion4needE6vunits>:   save  %sp, -112, %sp
0x42dc4 <_ZN9diversion4needE6vunits+4>: add  %fp, -12, %l0
0x42dc8 <_ZN9diversion4needE6vunits+8>: mov  %i0, %o0
0x42dcc <_ZN9diversion4needE6vunits+12>:        ld  [ %i0 ], %o2
0x42dd0 <_ZN9diversion4needE6vunits+16>:        st  %l0, [ %sp + 0x40 ]
0x42dd4 <_ZN9diversion4needE6vunits+20>:        ld  [ %o2 + 0x18 ], %o1
0x42dd8 <_ZN9diversion4needE6vunits+24>:        ld  [ %i1 ], %i1
0x42ddc <_ZN9diversion4needE6vunits+28>:        call  %o1
0x42de0 <_ZN9diversion4needE6vunits+32>:        nop 
0x42de4 <_ZN9diversion4needE6vunits+36>:        unimp  0x4
0x42de8 <_ZN9diversion4needE6vunits+40>:        mov  %i0, %o0
0x42dec <_ZN9diversion4needE6vunits+44>:        mov  %l0, %o1
0x42df0 <_ZN9diversion4needE6vunits+48>:        ld  [ %fp + -12 ], %l1
0x42df4 <_ZN9diversion4needE6vunits+52>:        mov  1, %o3
0x42df8 <_ZN9diversion4needE6vunits+56>:        cmp  %l1, %i1

This is with binutils-2.12.90.0.4-3 (based on cvs from 8. April 2002),
gcc-3.1-20020415 and current glibc 2.2 branch.

  Thorsten

-- 
Thorsten Kukuk       http://www.suse.de/~kukuk/        kukuk@suse.de
SuSE Linux AG        Deutschherrenstr. 15-19       D-90429 Nuernberg
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