linux-kernel - Re: nios2: is the ptrace ABI correct?

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Message-ID: <54FDD219.1060707@gmail.com>
Date:	Tue, 10 Mar 2015 01:02:17 +0800
From:	Chung-Lin Tang <chunglin.tang@...il.com>
To:	Chung-Lin Tang <cltang@...esourcery.com>,
	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Arnd Bergmann <arnd@...db.de>,
	Tobias Klauser <tklauser@...tanz.ch>,
	Ley Foon Tan <lftan@...era.com>
CC:	Walter Goossens <waltergoossens@...e.nl>,
	linux-arch@...r.kernel.org,
	"nios2-dev@...ts.rocketboards.org" <nios2-dev@...ts.rocketboards.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: nios2: is the ptrace ABI correct?

On 2015/3/10 12:54 AM, Chung-Lin Tang wrote:
> It appears that some of the ways nios2 has organized the
> ucontext/pt_regs/etc. are remnants of the pre-generic code, some
> basically because the port was based off m68k.
> 
> I've re-organized the headers a bit: nios2/include/asm/ucontext.h is
> deleted, and re-definition of struct sigcontext now allows use of
> uapi/asm-generic/ucontext.h directly.  Note that the reorg, despite
> effectively renaming some fields, is still binary compatible. I'll
> probably update the corresponding glibc definitions later.
> 
> struct pt_regs is now not exported, and all exported register sets are
> now supposed to follow the 49 register set defined as in GDB now.
> 
> Tobias, Ley Foon, how do you think this looks?

Sorry, accidentally attached unrelated GCC patch instead, this one's the
correct one.

Chung-Lin


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