bsd-user/i386/signal.c

   1 /*
   2  *  i386 dependent signal definitions
   3  *
   4  *  Copyright (c) 2013 Stacey D. Son
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "qemu.h"
  21
  22 /*
  23  * Compare to i386/i386/machdep.c sendsig()
  24  * Assumes that target stack frame memory is locked.
  25  */
  26 abi_long set_sigtramp_args(CPUX86State *env, int sig,
  27                            struct target_sigframe *frame,
  28                            abi_ulong frame_addr,
  29                            struct target_sigaction *ka)
  30 {
  31     /* XXX return -TARGET_EOPNOTSUPP; */
  32     return 0;
  33 }
  34
  35 /*
  36  * Compare to i386/i386/exec_machdep.c sendsig()
  37  * Assumes that the memory is locked if frame points to user memory.
  38  */
  39 abi_long setup_sigframe_arch(CPUX86State *env, abi_ulong frame_addr,
  40                              struct target_sigframe *frame, int flags)
  41 {
  42     target_mcontext_t *mcp = &frame->sf_uc.uc_mcontext;
  43
  44     get_mcontext(env, mcp, flags);
  45     return 0;
  46 }
  47
  48 /* Compare to i386/i386/machdep.c get_mcontext() */
  49 abi_long get_mcontext(CPUX86State *regs, target_mcontext_t *mcp, int flags)
  50 {
  51     /* XXX */
  52     return -TARGET_EOPNOTSUPP;
  53 }
  54
  55 /* Compare to i386/i386/machdep.c set_mcontext() */
  56 abi_long set_mcontext(CPUX86State *regs, target_mcontext_t *mcp, int srflag)
  57 {
  58     /* XXX */
  59     return -TARGET_EOPNOTSUPP;
  60 }
  61
  62 abi_long get_ucontext_sigreturn(CPUX86State *regs, abi_ulong target_sf,
  63                                 abi_ulong *target_uc)
  64 {
  65     /* XXX */
  66     *target_uc = 0;
  67     return -TARGET_EOPNOTSUPP;
  68 }