[Pkg-julia-devel] Bug#820220: Bug#820220: Bug#820220: Bug#820220: Bug#820220: julia: FTBFS on armel/armhf

[Riku Voipio]

On Sat, Apr 09, 2016 at 12:02:44PM +0200, Graham Inggs wrote:
> On 9 April 2016 at 00:53, peter green <plugwash at p10link.net> wrote:
> > It would be useful if someone can reproduce the issue and get a dissasembly
> > of the failure location.
> 
> I hope this is useful.  I'll leave my screen session on abel.d.o. open
> in case I need to fetch more information.
> 
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
> WARNING: unable to determine host cpu name.
> exports.jl
> essentials.jl
> docs/bootstrap.jl
> base.jl
> reflection.jl
> build_h.jl
> version_git.jl
 
> Program received signal SIGILL, Illegal instruction.
> 0x940c5060 in julia_call_891 ()
> (gdb) disassemble $pc
> Dump of assembler code for function julia_call_891:
>    0x940c5054 <+0>:     push    {r4, r5, r6, lr}
>    0x940c5058 <+4>:     vpush   {d8}
>    0x940c505c <+8>:     mov     r0, #40 ; 0x28
> => 0x940c5060 <+12>:    vorr    d8, d0, d0

And yes, vorr is an NEON instruction.

>    0x940c5064 <+16>:    mov     r4, r3
>    0x940c5068 <+20>:    mov     r5, r2
>    0x940c506c <+24>:    mov     r6, r1
>    0x940c5070 <+28>:    bl      0x940c50c4
>    0x940c5074 <+32>:    movw    r1, #16432      ; 0x4030
>    0x940c5078 <+36>:    movt    r1, #37900      ; 0x940c
>    0x940c507c <+40>:    ldr     r1, [r1]
>    0x940c5080 <+44>:    stmda   r0, {r1, r6}
>    0x940c5084 <+48>:    ldr     r1, [sp, #24]
>    0x940c5088 <+52>:    str     r5, [r0, #4]
>    0x940c508c <+56>:    str     r4, [r0, #8]
>    0x940c5090 <+60>:    str     r1, [r0, #12]
>    0x940c5094 <+64>:    ldr     r1, [sp, #28]
>    0x940c5098 <+68>:    str     r1, [r0, #16]
>    0x940c509c <+72>:    ldrb    r1, [sp, #32]
>    0x940c50a0 <+76>:    and     r1, r1, #1
>    0x940c50a4 <+80>:    strb    r1, [r0, #20]
>    0x940c50a8 <+84>:    ldr     r1, [sp, #36]   ; 0x24
>    0x940c50ac <+88>:    str     r1, [r0, #24]
>    0x940c50b0 <+92>:    vstr    d8, [r0, #32]
>    0x940c50b4 <+96>:    vpop    {d8}
>    0x940c50b8 <+100>:   pop     {r4, r5, r6, pc}
> End of assembler dump.