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790baacc WL |
1 | /* |
2 | * i386 dependent 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 | #ifndef TARGET_ARCH_SIGNAL_H | |
19 | #define TARGET_ARCH_SIGNAL_H | |
20 | ||
21 | #include "cpu.h" | |
22 | ||
23 | /* Size of the signal trampolin code placed on the stack. */ | |
24 | #define TARGET_SZSIGCODE 0 | |
25 | ||
26 | /* compare to x86/include/_limits.h */ | |
27 | #define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */ | |
28 | #define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */ | |
29 | ||
30 | #define TARGET_MC_GET_CLEAR_RET 0x0001 | |
31 | ||
32 | struct target_sigcontext { | |
33 | /* to be added */ | |
34 | }; | |
35 | ||
36 | typedef struct target_mcontext { | |
37 | } target_mcontext_t; | |
38 | ||
39 | typedef struct target_ucontext { | |
40 | target_sigset_t uc_sigmask; | |
41 | target_mcontext_t uc_mcontext; | |
42 | abi_ulong uc_link; | |
43 | target_stack_t uc_stack; | |
44 | int32_t uc_flags; | |
45 | int32_t __spare__[4]; | |
46 | } target_ucontext_t; | |
47 | ||
48 | struct target_sigframe { | |
49 | abi_ulong sf_signum; | |
50 | abi_ulong sf_siginfo; /* code or pointer to sf_si */ | |
51 | abi_ulong sf_ucontext; /* points to sf_uc */ | |
52 | abi_ulong sf_addr; /* undocumented 4th arg */ | |
53 | target_ucontext_t sf_uc; /* = *sf_uncontext */ | |
54 | target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ | |
55 | uint32_t __spare__[2]; | |
56 | }; | |
57 | ||
58 | /* | |
59 | * Compare to i386/i386/machdep.c sendsig() | |
60 | * Assumes that target stack frame memory is locked. | |
61 | */ | |
62 | static inline abi_long set_sigtramp_args(CPUX86State *regs, | |
63 | int sig, struct target_sigframe *frame, abi_ulong frame_addr, | |
64 | struct target_sigaction *ka) | |
65 | { | |
66 | /* XXX return -TARGET_EOPNOTSUPP; */ | |
67 | return 0; | |
68 | } | |
69 | ||
70 | /* Compare to i386/i386/machdep.c get_mcontext() */ | |
71 | static inline abi_long get_mcontext(CPUX86State *regs, | |
72 | target_mcontext_t *mcp, int flags) | |
73 | { | |
74 | /* XXX */ | |
75 | return -TARGET_EOPNOTSUPP; | |
76 | } | |
77 | ||
78 | /* Compare to i386/i386/machdep.c set_mcontext() */ | |
79 | static inline abi_long set_mcontext(CPUX86State *regs, | |
80 | target_mcontext_t *mcp, int srflag) | |
81 | { | |
82 | /* XXX */ | |
83 | return -TARGET_EOPNOTSUPP; | |
84 | } | |
85 | ||
86 | static inline abi_long get_ucontext_sigreturn(CPUX86State *regs, | |
87 | abi_ulong target_sf, abi_ulong *target_uc) | |
88 | { | |
89 | /* XXX */ | |
90 | *target_uc = 0; | |
91 | return -TARGET_EOPNOTSUPP; | |
92 | } | |
93 | ||
94 | #endif /* TARGET_ARCH_SIGNAL_H */ |