1 /* Perform a `longjmp' on a Mach thread_state. i386 version. 2 Copyright (C) 1991-2021 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 _hurd_longjmp_thread_state(void * state,jmp_buf env,int val)28_hurd_longjmp_thread_state (void *state, jmp_buf env, int val) 29 { 30 struct i386_thread_state *ts = state; 31 32 ts->ebx = env[0].__jmpbuf[JB_BX]; 33 ts->esi = env[0].__jmpbuf[JB_SI]; 34 ts->edi = env[0].__jmpbuf[JB_DI]; 35 ts->ebp = env[0].__jmpbuf[JB_BP]; 36 ts->uesp = env[0].__jmpbuf[JB_SP]; 37 ts->eip = env[0].__jmpbuf[JB_PC]; 38 ts->eax = val ?: 1; 39 } 40