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Re: [RFC PATCH glibc 28/34] hurd: Implement _hurd_longjmp_thread_state f
From: |
Samuel Thibault |
Subject: |
Re: [RFC PATCH glibc 28/34] hurd: Implement _hurd_longjmp_thread_state for x86_64 |
Date: |
Mon, 3 Apr 2023 01:23:49 +0200 |
User-agent: |
NeoMutt/20170609 (1.8.3) |
Applied, thanks!
Sergey Bugaev, le dim. 19 mars 2023 18:10:11 +0300, a ecrit:
> Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
> ---
> sysdeps/mach/hurd/x86_64/longjmp-ts.c | 41 +++++++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 sysdeps/mach/hurd/x86_64/longjmp-ts.c
>
> diff --git a/sysdeps/mach/hurd/x86_64/longjmp-ts.c
> b/sysdeps/mach/hurd/x86_64/longjmp-ts.c
> new file mode 100644
> index 00000000..2c57d26a
> --- /dev/null
> +++ b/sysdeps/mach/hurd/x86_64/longjmp-ts.c
> @@ -0,0 +1,41 @@
> +/* Perform a `longjmp' on a Mach thread_state. x86_64 version.
> + Copyright (C) 1991-2023 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <https://www.gnu.org/licenses/>. */
> +
> +#include <hurd/signal.h>
> +#include <setjmp.h>
> +#include <jmpbuf-offsets.h>
> +#include <mach/thread_status.h>
> +
> +
> +/* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'. */
> +
> +void
> +_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
> +{
> + struct i386_thread_state *ts = state;
> +
> + ts->rbx = env[0].__jmpbuf[JB_RBX];
> + ts->rbp = env[0].__jmpbuf[JB_RBP];
> + ts->r12 = env[0].__jmpbuf[JB_R12];
> + ts->r13 = env[0].__jmpbuf[JB_R13];
> + ts->r14 = env[0].__jmpbuf[JB_R14];
> + ts->r15 = env[0].__jmpbuf[JB_R15];
> + ts->ursp = env[0].__jmpbuf[JB_RSP];
> + ts->rip = env[0].__jmpbuf[JB_PC];
> + ts->rax = val ?: 1;
> +}
> --
> 2.39.2
>
--
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.
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