linux-kernel - Re: [PATCH v3 1/4] objtool: Move object file loading out of check

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]

Message-ID: <20200730140936.uvw73r655356lhtm@treble>
Date:   Thu, 30 Jul 2020 09:09:36 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Julien Thierry <jthierry@...hat.com>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        mhelsley@...are.com, mbenes@...e.cz
Subject: Re: [PATCH v3 1/4] objtool: Move object file loading out of check

On Thu, Jul 30, 2020 at 10:41:40AM +0100, Julien Thierry wrote:
> +struct objtool_file *objtool_setup_file(const char *_objname)
> +{
> +	if (objname) {
> +		if (strcmp(objname, _objname)) {
> +			WARN("won't handle more than one file at a time");
> +			return NULL;
> +		}
> +		return &file;
> +	}
> +	objname = _objname;
> +
> +	file.elf = elf_open_read(objname, O_RDWR);
> +	if (!file.elf)
> +		return NULL;
> +
> +	INIT_LIST_HEAD(&file.insn_list);
> +	hash_init(file.insn_hash);
> +	file.c_file = find_section_by_name(file.elf, ".comment");
> +	file.ignore_unreachables = no_unreachable;
> +	file.hints = false;
> +
> +	return &file;
> +}

How about calling it objtool_open_read()?  It's (sort of) a wrapper
around elf_open_read().

-- 
Josh