From: Peter Maydell <peter.maydell@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Laurent Vivier" <laurent@vivier.eu>
Subject: Re: [PATCH v5 05/26] linux-user/arm: Implement setup_sigtramp
Date: Wed, 29 Sep 2021 14:45:25 +0100 [thread overview]
Message-ID: <CAFEAcA8zASkSVOYB+NVb3BWgzg++FEcG1258e5SpN-BO7mJG7A@mail.gmail.com> (raw)
In-Reply-To: <20210929130553.121567-6-richard.henderson@linaro.org>
On Wed, 29 Sept 2021 at 14:14, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Mirror what the kernel does in arch/arm/kernel/signal.h,
> using the old sigframe struct in the rt sigframe struct.
>
> Update the trampoline code to match the kernel: this uses
> sp-relative accesses rather than pc-relative.
>
> Copy the code into frame->retcode from the trampoline page.
> This minimises the different cases wrt arm vs thumb vs fdpic.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM
next prev parent reply other threads:[~2021-09-29 14:07 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-29 13:05 [PATCH v5 00/26] linux-user: Move signal trampolines to new page Richard Henderson
2021-09-29 13:05 ` [PATCH v5 01/26] linux-user: Add infrastructure for a signal trampoline page Richard Henderson
2021-09-29 13:05 ` [PATCH v5 02/26] linux-user/aarch64: Implement setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 03/26] linux-user/arm: Drop v1 signal frames Richard Henderson
2021-09-29 13:05 ` [PATCH v5 04/26] linux-user/arm: Drop "_v2" from symbols in signal.c Richard Henderson
2021-09-29 13:05 ` [PATCH v5 05/26] linux-user/arm: Implement setup_sigtramp Richard Henderson
2021-09-29 13:45 ` Peter Maydell [this message]
2021-09-29 13:05 ` [PATCH v5 06/26] linux-user/alpha: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 07/26] linux-user/cris: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 08/26] linux-user/hexagon: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 09/26] linux-user/hppa: Document non-use of setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 10/26] linux-user/i386: Implement setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 11/26] linux-user/x86_64: Raise SIGSEGV if SA_RESTORER not set Richard Henderson
2021-09-29 13:05 ` [PATCH v5 12/26] linux-user/m68k: Implement setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 13/26] linux-user/microblaze: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 14/26] linux-user/mips: Tidy install_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 15/26] linux-user/mips: Implement setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 16/26] linux-user/nios2: Document non-use of setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 17/26] linux-user/openrisc: Implement setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 18/26] linux-user/ppc: Simplify encode_trampoline Richard Henderson
2021-09-29 13:05 ` [PATCH v5 19/26] linux-user/ppc: Implement setup_sigtramp Richard Henderson
2021-09-29 13:05 ` [PATCH v5 20/26] linux-user/riscv: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 21/26] linux-user/s390x: " Richard Henderson
2022-04-28 18:15 ` s390x regression - " Ulrich Weigand
2022-04-29 18:14 ` Richard Henderson
2021-09-29 13:05 ` [PATCH v5 22/26] linux-user/sh4: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 23/26] linux-user/sparc: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 24/26] linux-user/xtensa: " Richard Henderson
2021-09-29 13:05 ` [PATCH v5 25/26] linux-user: Remove default for TARGET_ARCH_HAS_SIGTRAMP_PAGE Richard Henderson
2021-09-29 13:05 ` [PATCH v5 26/26] tests/tcg/multiarch: Re-enable signals test for most guests Richard Henderson
2021-09-29 13:45 ` Philippe Mathieu-Daudé
2021-10-01 10:04 ` [PATCH v5 00/26] linux-user: Move signal trampolines to new page Laurent Vivier
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