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/osdep.h"
  21 #include "qemu.h"
  22
  23 /*
  24  * Compare to i386/i386/machdep.c sendsig()
  25  * Assumes that target stack frame memory is locked.
  26  */
  27 abi_long set_sigtramp_args(CPUX86State *env, int sig,
  28                            struct target_sigframe *frame,
  29                            abi_ulong frame_addr,
  30                            struct target_sigaction *ka)
  31 {
  32     /* XXX return -TARGET_EOPNOTSUPP; */
  33     return 0;
  34 }
  35
  36 /*
  37  * Compare to i386/i386/exec_machdep.c sendsig()
  38  * Assumes that the memory is locked if frame points to user memory.
  39  */
  40 abi_long setup_sigframe_arch(CPUX86State *env, abi_ulong frame_addr,
  41                              struct target_sigframe *frame, int flags)
  42 {
  43     target_mcontext_t *mcp = &frame->sf_uc.uc_mcontext;
  44
  45     get_mcontext(env, mcp, flags);
  46     return 0;
  47 }
  48
  49 /* Compare to i386/i386/machdep.c get_mcontext() */
  50 abi_long get_mcontext(CPUX86State *regs, target_mcontext_t *mcp, int flags)
  51 {
  52     /* XXX */
  53     return -TARGET_EOPNOTSUPP;
  54 }
  55
  56 /* Compare to i386/i386/machdep.c set_mcontext() */
  57 abi_long set_mcontext(CPUX86State *regs, target_mcontext_t *mcp, int srflag)
  58 {
  59     /* XXX */
  60     return -TARGET_EOPNOTSUPP;
  61 }
  62
  63 abi_long get_ucontext_sigreturn(CPUX86State *regs, abi_ulong target_sf,
  64                                 abi_ulong *target_uc)
  65 {
  66     /* XXX */
  67     *target_uc = 0;
  68     return -TARGET_EOPNOTSUPP;
  69 }