netdev - Re: [PATCH v4 binutils] Add BPF support to binutils...

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Message-Id: <20170501.235158.89801140704756675.davem@davemloft.net>
Date:   Mon, 01 May 2017 23:51:58 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     ast@...com
Cc:     daniel@...earbox.net, netdev@...r.kernel.org,
        xdp-newbies@...r.kernel.org
Subject: Re: [PATCH v4 binutils] Add BPF support to binutils...

From: Alexei Starovoitov <ast@...com>
Date: Mon, 1 May 2017 20:49:21 -0700

> (gdb) x/10i bpf_prog1
>    0x0 <bpf_prog1>:	ldimm64	r0, 590618314553
>    0x10 <bpf_prog1+16>:	stdw	[r1+-8], r10
>    0x18 <bpf_prog1+24>:	lddw	r10, [r1+-8]
>    0x20 <bpf_prog1+32>:	add	r0, -1879113726
>    0x28 <bpf_prog1+40>:	lddw	r1, [r0+0]
>    0x30 <bpf_prog1+48>:	exit
>    0x38:	Cannot access memory at address 0x38
> 
> the last line also seems wrong. Off by 1 error?

Maybe, I'll look into it tomorrow.  I'll also post my fix for the
branch destination disassembler output tomorrow as well.