xref: /openbmc/qemu/bsd-user/i386/signal.c (revision 34cc54fb)
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 }
70