From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <rth@twiddle.net>
Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org, aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 3/8] tcg: Avoid undefined behaviour patchingcode at unaligned addressess
Date: Tue, 01 Apr 2014 13:13:29 +0100 [thread overview]
Message-ID: <87k3b9s0wm.fsf@linaro.org> (raw)
In-Reply-To: <1396052834-26834-4-git-send-email-rth@twiddle.net>
Richard Henderson <rth@twiddle.net> writes:
> From: Peter Maydell <peter.maydell@linaro.org>
>
> To avoid C undefined behaviour when patching generated code,
> provide wrappers tcg_patch8/16/32/64 which use the usual memcpy
> trick, and use them in the i386 backend.
>
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
next prev parent reply other threads:[~2014-04-01 12:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-29 0:27 [Qemu-devel] [PATCH 0/8] tcg: tidy the type of code_ptr Richard Henderson
2014-03-29 0:27 ` [Qemu-devel] [PATCH 1/8] exec-all.h: Use stl_p to avoid undefined behaviour patching x86 jumps Richard Henderson
2014-04-01 12:09 ` [Qemu-devel] [PATCH 1/8] exec-all.h: Use stl_p to avoid undefinedbehaviour patching x86 jumpss Alex Bennée
2014-04-01 12:18 ` Peter Maydell
2014-03-29 0:27 ` [Qemu-devel] [PATCH 2/8] tcg: Avoid stores to unaligned addresses Richard Henderson
2014-04-01 12:12 ` Alex Bennée
2014-03-29 0:27 ` [Qemu-devel] [PATCH 3/8] tcg: Avoid undefined behaviour patching code at " Richard Henderson
2014-04-01 12:13 ` Alex Bennée [this message]
2014-03-29 0:27 ` [Qemu-devel] [PATCH 4/8] tcg: Define tcg_itype for code pointers Richard Henderson
2014-03-29 0:27 ` [Qemu-devel] [PATCH 5/8] tcg-ppc64: Define TCG_TARGET_ITYPE_SIZE Richard Henderson
2014-03-29 0:27 ` [Qemu-devel] [PATCH 6/8] tcg-ppc: " Richard Henderson
2014-03-29 0:27 ` [Qemu-devel] [PATCH 7/8] tcg-aarch64: " Richard Henderson
2014-03-29 0:27 ` [Qemu-devel] [PATCH 8/8] tcg-sparc: " Richard Henderson
2014-03-29 20:26 ` [Qemu-devel] [PATCH 0/8] tcg: tidy the type of code_ptr Peter Maydell
2014-03-30 15:31 ` Richard Henderson
2014-03-31 3:19 ` Richard Henderson
2014-04-01 12:05 ` Alex Bennée
2014-04-01 12:19 ` Alex Bennée
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