xref: /openbmc/qemu/bsd-user/x86_64/signal.c (revision 6c3a9247)
1 /*
2  *  x86_64 signal definitions
3  *
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or
8  *  (at your option) any later version.
9  *
10  *  This program 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
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #include "qemu.h"
20 
21 /*
22  * Compare to amd64/amd64/machdep.c sendsig()
23  * Assumes that target stack frame memory is locked.
24  */
25 abi_long set_sigtramp_args(CPUX86State *regs,
26         int sig, struct target_sigframe *frame, abi_ulong frame_addr,
27         struct target_sigaction *ka)
28 {
29     /* XXX return -TARGET_EOPNOTSUPP; */
30     return 0;
31 }
32 
33 /*
34  * Compare to amd64/amd64/exec_machdep.c sendsig()
35  * Assumes that the memory is locked if frame points to user memory.
36  */
37 abi_long setup_sigframe_arch(CPUX86State *env, abi_ulong frame_addr,
38                              struct target_sigframe *frame, int flags)
39 {
40     target_mcontext_t *mcp = &frame->sf_uc.uc_mcontext;
41 
42     get_mcontext(env, mcp, flags);
43     return 0;
44 }
45 
46 /* Compare to amd64/amd64/machdep.c get_mcontext() */
47 abi_long get_mcontext(CPUX86State *regs,
48                 target_mcontext_t *mcp, int flags)
49 {
50     /* XXX */
51     return -TARGET_EOPNOTSUPP;
52 }
53 
54 /* Compare to amd64/amd64/machdep.c set_mcontext() */
55 abi_long set_mcontext(CPUX86State *regs,
56         target_mcontext_t *mcp, int srflag)
57 {
58     /* XXX */
59     return -TARGET_EOPNOTSUPP;
60 }
61 
62 abi_long get_ucontext_sigreturn(CPUX86State *regs,
63         abi_ulong target_sf, abi_ulong *target_uc)
64 {
65     /* XXX */
66     *target_uc = 0;
67     return -TARGET_EOPNOTSUPP;
68 }
69