linux-kernel - Re: [PATCH v6 10/11] perf callchain: Support x86 target platform

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: <20160530085254.GC25607@krava>
Date:	Mon, 30 May 2016 10:52:54 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	He Kuang <hekuang@...wei.com>
Cc:	peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
	alexander.shishkin@...ux.intel.com, wangnan0@...wei.com,
	jpoimboe@...hat.com, ak@...ux.intel.com, eranian@...gle.com,
	namhyung@...nel.org, adrian.hunter@...el.com,
	sukadev@...ux.vnet.ibm.com, masami.hiramatsu.pt@...achi.com,
	tumanova@...ux.vnet.ibm.com, kan.liang@...el.com,
	penberg@...nel.org, dsahern@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 10/11] perf callchain: Support x86 target platform

On Sat, May 28, 2016 at 11:59:59AM +0000, He Kuang wrote:

SNIP

> --- /dev/null
> +++ b/tools/perf/arch/x86/util/unwind-libunwind_x86_32.c
> @@ -0,0 +1,21 @@
> +#define REMOTE_UNWIND_LIBUNWIND
> +
> +#define LIBUNWIND__ARCH_REG_ID libunwind__x86_reg_id
> +
> +#include "unwind.h"
> +#include "debug.h"
> +#include "libunwind-x86.h"
> +#include <../../../../../arch/x86/include/uapi/asm/perf_regs.h>
> +
> +#undef HAVE_ARCH_X86_64_SUPPORT
> +#include "unwind-libunwind.c"
> +
> +#undef NO_LIBUNWIND_DEBUG_FRAME
> +#define NO_LIBUNWIND_DEBUG_FRAME
> +#include "util/unwind-libunwind-local.c"
> +
> +int register_x86_32_unwind_libunwind_ops(struct thread *thread)
> +{
> +	thread->unwind_libunwind_ops = &_unwind_libunwind_ops;
> +	return 0;
> +}

hum, how about export the arch ops:

struct unwind_libunwind_ops *x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops;

and have single unwind__register_ops(ops) function

jirka