Blame sysdeps/mach/hurd/i386/longjmp-ts.c

Packit 6c4009
/* Perform a `longjmp' on a Mach thread_state.  i386 version.
Packit 6c4009
   Copyright (C) 1991-2018 Free Software Foundation, Inc.
Packit 6c4009
   This file is part of the GNU C Library.
Packit 6c4009
Packit 6c4009
   The GNU C Library is free software; you can redistribute it and/or
Packit 6c4009
   modify it under the terms of the GNU Lesser General Public
Packit 6c4009
   License as published by the Free Software Foundation; either
Packit 6c4009
   version 2.1 of the License, or (at your option) any later version.
Packit 6c4009
Packit 6c4009
   The GNU C Library is distributed in the hope that it will be useful,
Packit 6c4009
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 6c4009
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Packit 6c4009
   Lesser General Public License for more details.
Packit 6c4009
Packit 6c4009
   You should have received a copy of the GNU Lesser General Public
Packit 6c4009
   License along with the GNU C Library; if not, see
Packit 6c4009
   <http://www.gnu.org/licenses/>.  */
Packit 6c4009
Packit 6c4009
#include <hurd/signal.h>
Packit 6c4009
#include <setjmp.h>
Packit 6c4009
#include <jmpbuf-offsets.h>
Packit 6c4009
#include <mach/thread_status.h>
Packit 6c4009
Packit 6c4009
Packit 6c4009
/* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'.  */
Packit 6c4009
Packit 6c4009
void
Packit 6c4009
_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
Packit 6c4009
{
Packit 6c4009
  struct i386_thread_state *ts = state;
Packit 6c4009
Packit 6c4009
  ts->ebx = env[0].__jmpbuf[JB_BX];
Packit 6c4009
  ts->esi = env[0].__jmpbuf[JB_SI];
Packit 6c4009
  ts->edi = env[0].__jmpbuf[JB_DI];
Packit 6c4009
  ts->ebp = env[0].__jmpbuf[JB_BP];
Packit 6c4009
  ts->uesp = env[0].__jmpbuf[JB_SP];
Packit 6c4009
  ts->eip = env[0].__jmpbuf[JB_PC];
Packit 6c4009
  ts->eax = val ?: 1;
Packit 6c4009
}