netdev - Re: [RFC PATCH 1/1] BPF JIT for PPC64

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 25 Jun 2011 02:58:34 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Matt Evans <matt@...abs.org>
Cc:	netdev@...r.kernel.org,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [RFC PATCH 1/1] BPF JIT for PPC64

On Fri, 2011-06-24 at 16:02 +1000, Matt Evans wrote:
[...]
> +		case BPF_S_ALU_ADD_K: /* A += K; */
> +			if (!K)
> +				break;
> +			if (K < 32768)
> +				PPC_ADDI(r_A, r_A, K);
> +			else
> +				PPC_ADDI(r_A, r_A, IMM_L(K));
> +				PPC_ADDIS(r_A, r_A, IMM_HA(K));
> +			break;

Missing braces.

> +		case BPF_S_ALU_SUB_X: /* A -= X; */
> +			ctx->seen |= SEEN_XREG;
> +			PPC_SUB(r_A, r_A, r_X);
> +			break;
> +		case BPF_S_ALU_SUB_K: /* A -= K */
> +			if (!K)
> +				break;
> +			if (K < 32768)
> +				PPC_ADDI(r_A, r_A, -K);
> +			else
> +				PPC_ADDI(r_A, r_A, IMM_L(-K));
> +				PPC_ADDIS(r_A, r_A, IMM_HA(-K));
> +			break;
[...]

Here as well.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html