From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: "Edgar E . Iglesias" <edgar.iglesias@gmail.com>,
alex.bennee@linaro.org, laurent@vivier.eu
Subject: Re: [PATCH 06/21] linux-user/cris: Implement setup_sigtramp
Date: Wed, 16 Jun 2021 18:37:53 +0200 [thread overview]
Message-ID: <7d224227-6cbb-706b-a4b1-5f4832fc1dbb@amsat.org> (raw)
In-Reply-To: <20210616011209.1446045-7-richard.henderson@linaro.org>
On 6/16/21 3:11 AM, Richard Henderson wrote:
> Split out setup_sigreturn so that we can continue to
> initialize the words on the stack, as documented.
> However, use the off-stack trampoline.
>
> Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> linux-user/cris/target_signal.h | 2 ++
> linux-user/cris/signal.c | 29 +++++++++++++++++++++--------
> 2 files changed, 23 insertions(+), 8 deletions(-)
> +void setup_sigtramp(abi_ulong sigtramp_page)
> +{
> + uint16_t *tramp = lock_user(VERIFY_WRITE, sigtramp_page, 4 * 2, 0);
3 * 2?
> + assert(tramp != NULL);
> +
> + default_sigreturn = sigtramp_page;
> + setup_sigreturn(tramp);
> +
> + unlock_user(tramp, sigtramp_page, 4 * 2);
Ditto.
> +}
>
next prev parent reply other threads:[~2021-06-16 16:39 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-16 1:11 [PATCH 00/21] linux-user: Move signal trampolines to new page Richard Henderson
2021-06-16 1:11 ` [PATCH 01/21] linux-user: Add infrastructure for a signal trampoline page Richard Henderson
2021-06-16 13:36 ` Max Filippov
2021-06-16 1:11 ` [PATCH 02/21] linux-user/aarch64: Implement setup_sigtramp Richard Henderson
2021-06-16 17:00 ` Philippe Mathieu-Daudé
2021-06-16 1:11 ` [PATCH 03/21] linux-user/arm: Force v2 frames for fdpic Richard Henderson
2021-06-16 17:01 ` Philippe Mathieu-Daudé
2021-06-16 1:11 ` [PATCH 04/21] linux-user/arm: Implement setup_sigtramp Richard Henderson
2021-06-16 13:46 ` Alex Bennée
2021-06-16 13:49 ` Alex Bennée
2021-06-16 17:40 ` Richard Henderson
2021-06-16 1:11 ` [PATCH 05/21] linux-user/alpha: " Richard Henderson
2021-06-16 16:56 ` Philippe Mathieu-Daudé
2021-06-16 1:11 ` [PATCH 06/21] linux-user/cris: " Richard Henderson
2021-06-16 16:37 ` Philippe Mathieu-Daudé [this message]
2021-06-16 1:11 ` [PATCH 07/21] linux-user/hexagon: " Richard Henderson
2021-06-16 8:07 ` Taylor Simpson
2021-06-16 15:05 ` Richard Henderson
2021-06-16 15:50 ` Richard Henderson
2021-06-16 21:37 ` Taylor Simpson
2021-06-16 23:15 ` Richard Henderson
2021-06-16 1:11 ` [PATCH 08/21] linux-user/hppa: Document non-use of setup_sigtramp Richard Henderson
2021-06-16 10:46 ` Philippe Mathieu-Daudé
2021-06-16 21:16 ` Alex Bennée
2021-06-16 1:11 ` [PATCH 09/21] linux-user/i386: Implement setup_sigtramp Richard Henderson
2021-06-16 1:11 ` [PATCH 10/21] linux-user/m68k: " Richard Henderson
2021-06-16 16:42 ` Philippe Mathieu-Daudé
2021-06-16 1:11 ` [PATCH 11/21] linux-user/microblaze: " Richard Henderson
2021-06-16 16:43 ` Philippe Mathieu-Daudé
2021-06-16 1:12 ` [PATCH 12/21] linux-user/mips: " Richard Henderson
2021-06-16 16:48 ` Philippe Mathieu-Daudé
2021-06-16 1:12 ` [PATCH 13/21] linux-user/nios2: Document non-use of setup_sigtramp Richard Henderson
2021-06-16 1:12 ` [PATCH 14/21] linux-user/openrisc: Implement setup_sigtramp Richard Henderson
2021-06-16 16:49 ` Philippe Mathieu-Daudé
2021-06-17 0:24 ` Stafford Horne
2021-06-16 1:12 ` [PATCH 15/21] linux-user/ppc: " Richard Henderson
2021-06-16 1:12 ` [PATCH 16/21] linux-user/riscv: " Richard Henderson
2021-06-16 16:50 ` Philippe Mathieu-Daudé
2021-06-18 1:29 ` Alistair Francis
2021-06-16 1:12 ` [PATCH 17/21] linux-user/s390x: " Richard Henderson
2021-06-16 16:52 ` Philippe Mathieu-Daudé
2021-06-16 1:12 ` [PATCH 18/21] linux-user/sh4: " Richard Henderson
2021-06-16 16:53 ` Philippe Mathieu-Daudé
2021-06-16 1:12 ` [PATCH 19/21] linux-user/sparc: " Richard Henderson
2021-06-16 1:12 ` [PATCH 20/21] linux-user/xtensa: " Richard Henderson
2021-06-16 13:35 ` Max Filippov
2021-06-16 1:12 ` [PATCH 21/21] linux-user: Remove default for TARGET_ARCH_HAS_SIGTRAMP_PAGE Richard Henderson
2021-06-16 16:54 ` Philippe Mathieu-Daudé
2021-06-16 15:05 ` [PATCH 00/21] linux-user: Move signal trampolines to new page Alex Bennée
2021-06-16 15:09 ` Richard Henderson
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