projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 790baacc WL |
30 | struct target_sigcontext { |
| 31 | /* to be added */ | |
| 32 | }; | |
| 33 | ||
| 34 | typedef struct target_mcontext { | |
| 35 | } target_mcontext_t; | |
| 36 | ||
| 37 | typedef struct target_ucontext { | |
| 38 | target_sigset_t uc_sigmask; | |
| 39 | target_mcontext_t uc_mcontext; | |
| 40 | abi_ulong uc_link; | |
| 41 | target_stack_t uc_stack; | |
| 42 | int32_t uc_flags; | |
| 43 | int32_t __spare__[4]; | |
| 44 | } target_ucontext_t; | |
| 45 | ||
| 46 | struct target_sigframe { | |
| 47 | abi_ulong sf_signum; | |
| 48 | abi_ulong sf_siginfo; /* code or pointer to sf_si */ | |
| 49 | abi_ulong sf_ucontext; /* points to sf_uc */ | |
| 50 | abi_ulong sf_addr; /* undocumented 4th arg */ | |
| 51 | target_ucontext_t sf_uc; /* = *sf_uncontext */ | |
| 52 | target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ | |
| 53 | uint32_t __spare__[2]; | |
| 54 | }; | |
| 55 | ||
| 56 | /* | |
| 57 | * Compare to i386/i386/machdep.c sendsig() | |
| 58 | * Assumes that target stack frame memory is locked. | |
| 59 | */ | |
| 60 | static inline abi_long set_sigtramp_args(CPUX86State *regs, | |
| 61 | int sig, struct target_sigframe *frame, abi_ulong frame_addr, | |
| 62 | struct target_sigaction *ka) | |
| 63 | { | |
| 64 | /* XXX return -TARGET_EOPNOTSUPP; */ | |
| 65 | return 0; | |
| 66 | } | |
| 67 | ||
| 68 | /* Compare to i386/i386/machdep.c get_mcontext() */ | |
| 69 | static inline abi_long get_mcontext(CPUX86State *regs, | |
| 70 | target_mcontext_t *mcp, int flags) | |
| 71 | { | |
| 72 | /* XXX */ | |
| 73 | return -TARGET_EOPNOTSUPP; | |
| 74 | } | |
| 75 | ||
| 76 | /* Compare to i386/i386/machdep.c set_mcontext() */ | |
| 77 | static inline abi_long set_mcontext(CPUX86State *regs, | |
| 78 | target_mcontext_t *mcp, int srflag) | |
| 79 | { | |
| 80 | /* XXX */ | |
| 81 | return -TARGET_EOPNOTSUPP; | |
| 82 | } | |
| 83 | ||
| 84 | static inline abi_long get_ucontext_sigreturn(CPUX86State *regs, | |
| 85 | abi_ulong target_sf, abi_ulong *target_uc) | |
| 86 | { | |
| 87 | /* XXX */ | |
| 88 | *target_uc = 0; | |
| 89 | return -TARGET_EOPNOTSUPP; | |
| 90 | } | |
| 91 | ||
| 92 | #endif /* TARGET_ARCH_SIGNAL_H */ |