[Valgrind-users] vex amd64->IR: unhandled instruction bytes: 0xA3 0x4C 0x70 0xD7

[rak <ra...@ho...>]

uname -sa
Linux xeon 2.4.21-15.EL #1 SMP Thu Apr 22 00:09:47 EDT 2004 x86_64 x86_64 x86_64 
GNU/Linux


==195== Memcheck, a memory error detector.
==195== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et al.
==195== Using LibVEX rev 1301, a library for dynamic binary translation.
==195== Copyright (C) 2004-2005, and GNU GPL'd, by OpenWorks LLP.
==195== Using valgrind-3.0.RC1, a dynamic binary instrumentation framework.
==195== Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et al.
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
==195== For more details, rerun with: -v
==195==
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
==195== Warning: zero-sized CIE/FDE but not at section end in DWARF2 CFI reading
vex amd64->IR: unhandled instruction bytes: 0xA3 0x4C 0x70 0xD7
==195==
==195== Process terminating with default action of signal 4 (SIGILL)
==195==  Illegal opcode at address 0x251EE95
==195==    at 0x251EE95: _gettabsize (in /working/prep/pro)
==195==    by 0x251EBBC: _getfile (in /working/prep/pro)
==195==    by 0x251B54D: _f_open3 (in /working/prep/pro)
==195==    by 0x250CC1F: _OPEN (in /working/prep/pro)
==195==    by 0x5261A6: rdparm_ (pro_main.f:1332)
==195==    by 0x51ED4A: pro_mem_ (pro_main.f:627)
==195==    by 0x51EABD: main (pro_main0.cpp:45)
==195==
==195== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 8 from 5)
==195== malloc/free: in use at exit: 0 bytes in 0 blocks.
==195== malloc/free: 0 allocs, 0 frees, 0 bytes allocated.
==195== For counts of detected errors, rerun with: -v
==195== No malloc'd blocks -- no leaks are possible.
Illegal instruction

objdump -d ./pro
failing at 
 251ee95:	a3 4c 70 d7 02 00 00 	mov    %eax,0x2d7704c

000000000251ee60 <_gettabsize>:
 251ee60:	53                   	push   %rbx
 251ee61:	48 bb 4c 70 d7 02 00 	mov    $0x2d7704c,%rbx
 251ee68:	00 00 00 
 251ee6b:	83 3b ff             	cmpl   $0xffffffffffffffff,(%rbx)
 251ee6e:	75 2e                	jne    251ee9e <_gettabsize+0x3e>
 251ee70:	48 bf 48 c3 5e 02 00 	mov    $0x25ec348,%rdi
 251ee77:	00 00 00 
 251ee7a:	e8 01 ee ff fd       	callq  51dc80 <_init+0x3c8>
 251ee7f:	48 85 c0             	test   %rax,%rax
 251ee82:	74 0c                	je     251ee90 <_gettabsize+0x30>
 251ee84:	48 89 c7             	mov    %rax,%rdi
 251ee87:	e8 d8 ed ff ff       	callq  251dc64 <_cvtai>
 251ee8c:	89 03                	mov    %eax,(%rbx)
 251ee8e:	eb 0e                	jmp    251ee9e <_gettabsize+0x3e>
 251ee90:	b8 08 00 00 00       	mov    $0x8,%eax
 251ee95:	a3 4c 70 d7 02 00 00 	mov    %eax,0x2d7704c
 251ee9c:	00 00 
 251ee9e:	a1 4c 70 d7 02 00 00 	mov    0x2d7704c,%eax
 251eea5:	00 00 
 251eea7:	48 98                	cltq   
 251eea9:	5b                   	pop    %rbx
 251eeaa:	c3                   	retq   

I had submitted this before but it had different instruction.

Thanks,
Rak