On 12/13/2016 08:38 PM, Alexei Starovoitov wrote:
On Tue, Nov 29, 2016 at 9:01 AM, Alexei Starovoitov
wrote:
If I try to run samples/bpf/test_cls_bpf.sh the verifier will complain:
R0=imm0,min_value=0,max_value=0 R1=pkt(id=0,off=0,r=42) R2=pkt_end
112: (0f) r4 += r3
113: (0f) r1 += r4
114: (b7)
On Tue, Nov 29, 2016 at 9:01 AM, Alexei Starovoitov
wrote:
>> >If I try to run samples/bpf/test_cls_bpf.sh the verifier will complain:
>> >R0=imm0,min_value=0,max_value=0 R1=pkt(id=0,off=0,r=42) R2=pkt_end
>> >112: (0f) r4 += r3
>> >113: (0f) r1 += r4
>> >114: (b7) r0 = 2
>> >115: (69) r2 = *(u16
Em Tue, Nov 29, 2016 at 09:01:17AM -0800, Alexei Starovoitov escreveu:
> On Tue, Nov 29, 2016 at 04:11:32PM +0100, Daniel Borkmann wrote:
> > On 11/29/2016 07:42 AM, Alexei Starovoitov wrote:
> > >Notice that 'clang -S -o a.s' output and llvm-objdump disassembler
> > >were changed to use kernel ver
On Tue, Nov 29, 2016 at 09:23:10PM +0100, Daniel Borkmann wrote:
> On 11/29/2016 07:51 PM, Alexei Starovoitov wrote:
> >On Tue, Nov 29, 2016 at 03:38:18PM +, Jakub Kicinski wrote:
> [...]
> So next step is to improve verifier messages to be more human friendly.
> The step after is to in
On 11/29/2016 07:51 PM, Alexei Starovoitov wrote:
On Tue, Nov 29, 2016 at 03:38:18PM +, Jakub Kicinski wrote:
[...]
So next step is to improve verifier messages to be more human friendly.
The step after is to introduce BPF_COMMENT pseudo instruction
that will be ignored by the interpreter y
On Tue, Nov 29, 2016 at 03:38:18PM +, Jakub Kicinski wrote:
>
> >>> [...]
> > > So next step is to improve verifier messages to be more human friendly.
> > > The step after is to introduce BPF_COMMENT pseudo instruction
> > > that will be ignored by the interpreter yet it will contain the text
On Tue, Nov 29, 2016 at 04:11:32PM +0100, Daniel Borkmann wrote:
> On 11/29/2016 07:42 AM, Alexei Starovoitov wrote:
> [...]
> >The support for debug information in BPF was recently added to llvm.
> >
> >In order to use it recompile bpf programs with the following patch
> >in samples/bpf/Makefile
>
On Tue, 29 Nov 2016 16:11:32 +0100, Daniel Borkmann wrote:
> On 11/29/2016 07:42 AM, Alexei Starovoitov wrote:
> [...]
> > The support for debug information in BPF was recently added to llvm.
> >
> > In order to use it recompile bpf programs with the following patch
> > in samples/bpf/Makefile
> >
On 11/29/2016 07:42 AM, Alexei Starovoitov wrote:
[...]
The support for debug information in BPF was recently added to llvm.
In order to use it recompile bpf programs with the following patch
in samples/bpf/Makefile
@@ -155,4 +155,4 @@ $(obj)/%.o: $(src)/%.c
$(CLANG) $(NOSTDINC_FLAGS) $
