| 1 | /* Perform a `longjmp' on a Mach thread_state. x86_64 version. |
| 2 | Copyright (C) 1991-2024 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <hurd/signal.h> |
| 20 | #include <setjmp.h> |
| 21 | #include <jmpbuf-offsets.h> |
| 22 | #include <mach/thread_status.h> |
| 23 | |
| 24 | |
| 25 | /* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'. */ |
| 26 | |
| 27 | void |
| 28 | _hurd_longjmp_thread_state (void *state, jmp_buf env, int val) |
| 29 | { |
| 30 | struct i386_thread_state *ts = state; |
| 31 | |
| 32 | ts->rbx = env[0].__jmpbuf[JB_RBX]; |
| 33 | ts->rbp = env[0].__jmpbuf[JB_RBP]; |
| 34 | ts->r12 = env[0].__jmpbuf[JB_R12]; |
| 35 | ts->r13 = env[0].__jmpbuf[JB_R13]; |
| 36 | ts->r14 = env[0].__jmpbuf[JB_R14]; |
| 37 | ts->r15 = env[0].__jmpbuf[JB_R15]; |
| 38 | ts->ursp = env[0].__jmpbuf[JB_RSP]; |
| 39 | ts->rip = env[0].__jmpbuf[JB_PC]; |
| 40 | ts->rax = val ?: 1; |
| 41 | } |
| 42 | |