From 20427b8f231edfa786cbf2672f8d00199ea7c6c6 Mon Sep 17 00:00:00 2001 From: Sergey Bugaev Date: Sun, 19 Mar 2023 18:10:11 +0300 Subject: hurd: Implement _hurd_longjmp_thread_state for x86_64 Signed-off-by: Sergey Bugaev Message-Id: <20230319151017.531737-29-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 (limited to 'sysdeps') 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 0000000000..2c57d26aab --- /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 + . */ + +#include +#include +#include +#include + + +/* 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; +} -- cgit 1.4.1