Re: [Valgrind-users] disInstr(ppc): unhandled instruction: 0x7D295F1E

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This is the illegal instruction that is causing the
crash, maybe this can help

4f80:       7d 29 5f 1e     .long 0x7d295f1e

Thanks


--- Julian Seward <js...@ac...> wrote:

> 
> What CPU is this?
> 
> J
> 
> On Wednesday 27 February 2008 17:37, Andrei Stanciu
> wrote:
> > Hi all,
> >
> > I've a problem when starting valgrind on a powerpc
> > target, i receive disInstr(ppc): unhandled
> > instruction: 0x7D295F1E
> >
> > The output is below:
> >
> > Thanks
> >
> >
> > /local/target/bin# ./valgrind -v --tool=massif
> date
> > ==10822== Massif, a heap profiler.
> > ==10822== Copyright (C) 2003-2007, and GNU GPL'd,
> by
> > Nicholas Nethercote
> > ==10822== Using LibVEX rev 1804, a library for
> dynamic
> > binary translation.
> > ==10822== Copyright (C) 2004-2007, and GNU GPL'd,
> by
> > OpenWorks LLP.
> > ==10822== Using valgrind-3.3.0, a dynamic binary
> > instrumentation framework.
> > ==10822== Copyright (C) 2000-2007, and GNU GPL'd,
> by
> > Julian Seward et al.
> > ==10822==
> > --10822-- Command line
> > --10822--    date
> > --10822-- Startup, with flags:
> > --10822--    -v
> > --10822--    --tool=massif
> > --10822-- Contents of /proc/version:
> > --10822--   Linux version 2.4.20_mvl31-8555-cplab
> > (kscc@tlvpe2) (gcc version 3.4.1 (MontaVista
> > 3.4.1-2.0.14.0401563 2004-11-12)) #98 Mon Jun 11
> > 17:32:20 CEST 2007
> > --10822-- Arch and hwcaps: PPC32,
> ppc32-int-flt-FX-GX
> > --10822-- Page sizes: currently 4096, max
> supported
> > 65536
> > --10822-- Valgrind library directory:
> > /local/target//lib/valgrind
> > --10822-- Massif: alloc-fns:
> > --10822-- Massif:   0: malloc
> > --10822-- Massif:   1: __builtin_new
> > --10822-- Massif:   2: operator new(unsigned)
> > --10822-- Massif:   3: operator new(unsigned long)
> > --10822-- Massif:   4: __builtin_vec_new
> > --10822-- Massif:   5: operator new[](unsigned)
> > --10822-- Massif:   6: operator new[](unsigned
> long)
> > --10822-- Massif:   7: calloc
> > --10822-- Massif:   8: realloc
> > --10822-- Massif:   9: memalign
> > --10822-- Massif:   10: operator new(unsigned,
> > std::nothrow_t const&)
> > --10822-- Massif:   11: operator new[](unsigned,
> > std::nothrow_t const&)
> > --10822-- Massif:   12: operator new(unsigned
> long,
> > std::nothrow_t const&)
> > --10822-- Massif:   13: operator new[](unsigned
> long,
> > std::nothrow_t const&)
> > --10822-- Reading syms from /lib/ld-2.3.2.so
> > (0x4000000)
> > --10822-- Reading syms from /bin/date (0x10000000)
> > --10822--    object doesn't have a symbol table
> > --10822-- Reading syms from
> > /local/target/lib/valgrind/ppc32-linux/massif
> > (0x38000000)
> > --10822--    object doesn't have a dynamic symbol
> > table
> > disInstr(ppc): unhandled instruction: 0x7D295F1E
> >                  primary 31(0x1F), secondary
> > 1822(0x71E)
> > ==10822== valgrind: Unrecognised instruction at
> > address 0x4004F80.
> > ==10822== Your program just tried to execute an
> > instruction that Valgrind
> > ==10822== did not recognise.  There are two
> possible
> > reasons for this.
> > ==10822== 1. Your program has a bug and
> erroneously
> > jumped to a non-code
> > ==10822==    location.  If you are running
> Memcheck
> > and you just saw a
> > ==10822==    warning about a bad jump, it's
> probably
> > your program's fault.
> > ==10822== 2. The instruction is legitimate but
> > Valgrind doesn't handle it,
> > ==10822==    i.e. it's Valgrind's fault.  If you
> think
> > this is the case or
> > ==10822==    you are not sure, please let us know
> and
> > we'll try to fix it.
> > ==10822== Either way, Valgrind will now raise a
> SIGILL
> > signal which will
> > ==10822== probably kill your program.
> > ==10822==
> > ==10822== Process terminating with default action
> of
> > signal 4 (SIGILL)
> > ==10822==  Illegal opcode at address 0x4004F80
> > ==10822==    at 0x4004F80: _dl_start (do-rel.h:79)
> > ==10822==    by 0x40117DC: _start (dl-start.S:39)
> > ==10822==
> > --10822-- Massif: heap allocs:          0
> > --10822-- Massif: heap reallocs:        0
> > --10822-- Massif: heap frees:           0
> > --10822-- Massif: stack allocs:         0
> > --10822-- Massif: stack frees:          0
> > --10822-- Massif: XPts:                 1
> > --10822-- Massif: top-XPts:             0 (0%)
> > --10822-- Massif: XPt init expansions:  0
> > --10822-- Massif: XPt later expansions: 0
> > --10822-- Massif: SXPt allocs:          0
> > --10822-- Massif: SXPt frees:           0
> > --10822-- Massif: skipped snapshots:    0
> > --10822-- Massif: real snapshots:       1
> > --10822-- Massif: detailed snapshots:   0
> > --10822-- Massif: peak snapshots:       0
> > --10822-- Massif: cullings:             0
> > --10822-- Massif: XCon redos:           0
> > --10822-- translate:            fast SP updates
> > identified: 0 (   --%)
> > --10822-- translate:   generic_known SP updates
> > identified: 0 (   --%)
> > --10822-- translate: generic_unknown SP updates
> > identified: 0 (   --%)
> > --10822--     tt/tc: 82 tt lookups requiring 81
> probes
> > --10822--     tt/tc: 82 fast-cache updates, 2
> flushes
> > --10822--  transtab: new        41 (1,200 ->
> 10,012;
> > ratio 83:10) [0 scs]
> > --10822--  transtab: dumped     0 (0 -> ??)
> > --10822--  transtab: discarded  0 (0 -> ??)
> > --10822-- scheduler: 92 jumps (bb entries).
> > --10822-- scheduler: 0/44 major/minor sched
> events.
> > --10822--    sanity: 1 cheap, 1 expensive checks.
> > --10822--    exectx: 769 lists, 0 contexts (avg 0
> per
> > list)
> > --10822--    exectx: 0 searches, 0 full compares
> (0
> > per 1000)
> > --10822--    exectx: 0 cmp2, 0 cmp4, 0 cmpAll
> > --10822--  errormgr: 0 supplist searches, 0
> > comparisons during search
> > --10822--  errormgr: 0 errlist searches, 0
> comparisons
> > during search
> > Illegal instruction
> >
> >
> >
> >      
> >
>
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=== message truncated ===


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