linux-kernel - Re: [PATCH 02/13] elf-em.h: add EM

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Message-ID: <C2D7FE5348E1B147BCA15975FBA23075013A59237C@us01wembx1.internal.synopsys.com>
Date:   Fri, 9 Nov 2018 16:41:36 +0000
From:   Vineet Gupta <vineet.gupta1@...opsys.com>
To:     "Dmitry V. Levin" <ldv@...linux.org>,
        Andy Lutomirski <luto@...nel.org>
CC:     Elvira Khabirova <lineprinter@...linux.org>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/13] elf-em.h: add EM_ARC

On 11/8/18 7:15 PM, Dmitry V. Levin wrote:
> The uapi/linux/audit.h header is going to use EM_ARC in order
> to define AUDIT_ARCH_ARC which is needed to implement
> syscall_get_arch() which in turn is required to extend
> the generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
>
> The value for EM_ARC has been taken from
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.sco.com_developers_gabi_2012-2D12-2D31_ch4.eheader.html&d=DwIBAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=c14YS-cH-kdhTOW89KozFhBtBJgs1zXscZojEZQ0THs&m=UCr-dDO1BWV4K-CXhpcDRnN4Urr4_UgSKBeEaczUAmE&s=XmSWUKeqq324aU46NSTbHc12dH-1vVnA4G3Rm-01WD4&e=
>
> Signed-off-by: Dmitry V. Levin <ldv@...linux.org>
> ---
>  include/uapi/linux/elf-em.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
> index ba3696e3d694..56ff3f9d9633 100644
> --- a/include/uapi/linux/elf-em.h
> +++ b/include/uapi/linux/elf-em.h
> @@ -26,6 +26,7 @@
>  #define EM_ARM		40	/* ARM 32 bit */
>  #define EM_SH		42	/* SuperH */
>  #define EM_SPARCV9	43	/* SPARC v9 64-bit */
> +#define EM_ARC		45	/* Argonaut RISC Core */

Please use EM_ARCOMPACT (for original ARC ISA) and EM_ARCV2 - both defined in
arch/arc/include/asm/elf.h

-Vineet

>  #define EM_H8_300	46	/* Renesas H8/300 */
>  #define EM_IA_64	50	/* HP/Intel IA-64 */
>  #define EM_X86_64	62	/* AMD x86-64 */