| 1 | /* |
| 2 | * arch/ubicom32/include/asm/signal.h |
| 3 | * Signal related definitions for Ubicom32 architecture. |
| 4 | * |
| 5 | * (C) Copyright 2009, Ubicom, Inc. |
| 6 | * |
| 7 | * This file is part of the Ubicom32 Linux Kernel Port. |
| 8 | * |
| 9 | * The Ubicom32 Linux Kernel Port is free software: you can redistribute |
| 10 | * it and/or modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation, either version 2 of the |
| 12 | * License, or (at your option) any later version. |
| 13 | * |
| 14 | * The Ubicom32 Linux Kernel Port is distributed in the hope that it |
| 15 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 16 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 17 | * the GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with the Ubicom32 Linux Kernel Port. If not, |
| 21 | * see <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | * Ubicom32 implementation derived from (with many thanks): |
| 24 | * arch/m68knommu |
| 25 | * arch/blackfin |
| 26 | * arch/parisc |
| 27 | */ |
| 28 | #ifndef _ASM_UBICOM32_SIGNAL_H |
| 29 | #define _ASM_UBICOM32_SIGNAL_H |
| 30 | |
| 31 | #include <linux/types.h> |
| 32 | |
| 33 | /* Avoid too many header ordering problems. */ |
| 34 | struct siginfo; |
| 35 | |
| 36 | #ifdef __KERNEL__ |
| 37 | /* Most things should be clean enough to redefine this at will, if care |
| 38 | is taken to make libc match. */ |
| 39 | |
| 40 | #define _NSIG 64 |
| 41 | #define _NSIG_BPW 32 |
| 42 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) |
| 43 | |
| 44 | typedef unsigned long old_sigset_t; /* at least 32 bits */ |
| 45 | |
| 46 | typedef struct { |
| 47 | unsigned long sig[_NSIG_WORDS]; |
| 48 | } sigset_t; |
| 49 | |
| 50 | #endif /* __KERNEL__ */ |
| 51 | |
| 52 | #define SIGHUP 1 |
| 53 | #define SIGINT 2 |
| 54 | #define SIGQUIT 3 |
| 55 | #define SIGILL 4 |
| 56 | #define SIGTRAP 5 |
| 57 | #define SIGABRT 6 |
| 58 | #define SIGIOT 6 |
| 59 | #define SIGBUS 7 |
| 60 | #define SIGFPE 8 |
| 61 | #define SIGKILL 9 |
| 62 | #define SIGUSR1 10 |
| 63 | #define SIGSEGV 11 |
| 64 | #define SIGUSR2 12 |
| 65 | #define SIGPIPE 13 |
| 66 | #define SIGALRM 14 |
| 67 | #define SIGTERM 15 |
| 68 | #define SIGSTKFLT 16 |
| 69 | #define SIGCHLD 17 |
| 70 | #define SIGCONT 18 |
| 71 | #define SIGSTOP 19 |
| 72 | #define SIGTSTP 20 |
| 73 | #define SIGTTIN 21 |
| 74 | #define SIGTTOU 22 |
| 75 | #define SIGURG 23 |
| 76 | #define SIGXCPU 24 |
| 77 | #define SIGXFSZ 25 |
| 78 | #define SIGVTALRM 26 |
| 79 | #define SIGPROF 27 |
| 80 | #define SIGWINCH 28 |
| 81 | #define SIGIO 29 |
| 82 | #define SIGPOLL SIGIO |
| 83 | /* |
| 84 | #define SIGLOST 29 |
| 85 | */ |
| 86 | #define SIGPWR 30 |
| 87 | #define SIGSYS 31 |
| 88 | #define SIGUNUSED 31 |
| 89 | |
| 90 | /* These should not be considered constants from userland. */ |
| 91 | #define SIGRTMIN 32 |
| 92 | #define SIGRTMAX _NSIG |
| 93 | |
| 94 | /* |
| 95 | * SA_FLAGS values: |
| 96 | * |
| 97 | * SA_ONSTACK indicates that a registered stack_t will be used. |
| 98 | * SA_RESTART flag to get restarting signals (which were the default long ago) |
| 99 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. |
| 100 | * SA_RESETHAND clears the handler when the signal is delivered. |
| 101 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. |
| 102 | * SA_NODEFER prevents the current signal from being masked in the handler. |
| 103 | * |
| 104 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single |
| 105 | * Unix names RESETHAND and NODEFER respectively. |
| 106 | */ |
| 107 | #define SA_NOCLDSTOP 0x00000001 |
| 108 | #define SA_NOCLDWAIT 0x00000002 |
| 109 | #define SA_SIGINFO 0x00000004 |
| 110 | #define SA_ONSTACK 0x08000000 |
| 111 | #define SA_RESTART 0x10000000 |
| 112 | #define SA_NODEFER 0x40000000 |
| 113 | #define SA_RESETHAND 0x80000000 |
| 114 | |
| 115 | #define SA_NOMASK SA_NODEFER |
| 116 | #define SA_ONESHOT SA_RESETHAND |
| 117 | |
| 118 | /* |
| 119 | * sigaltstack controls |
| 120 | */ |
| 121 | #define SS_ONSTACK 1 |
| 122 | #define SS_DISABLE 2 |
| 123 | |
| 124 | #define MINSIGSTKSZ 2048 |
| 125 | #define SIGSTKSZ 8192 |
| 126 | |
| 127 | #include <linux/version.h> |
| 128 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32) |
| 129 | #include <asm-generic/signal-defs.h> |
| 130 | #else |
| 131 | #include <asm-generic/signal.h> |
| 132 | #endif |
| 133 | |
| 134 | #ifdef __KERNEL__ |
| 135 | struct old_sigaction { |
| 136 | __sighandler_t sa_handler; |
| 137 | old_sigset_t sa_mask; |
| 138 | unsigned long sa_flags; |
| 139 | void (*sa_restorer)(void); |
| 140 | }; |
| 141 | |
| 142 | struct sigaction { |
| 143 | __sighandler_t sa_handler; |
| 144 | unsigned long sa_flags; |
| 145 | void (*sa_restorer)(void); |
| 146 | sigset_t sa_mask; /* mask last for extensibility */ |
| 147 | }; |
| 148 | |
| 149 | struct k_sigaction { |
| 150 | struct sigaction sa; |
| 151 | }; |
| 152 | #else |
| 153 | /* Here we must cater to libcs that poke about in kernel headers. */ |
| 154 | |
| 155 | struct sigaction { |
| 156 | union { |
| 157 | __sighandler_t _sa_handler; |
| 158 | void (*_sa_sigaction)(int, struct siginfo *, void *); |
| 159 | } _u; |
| 160 | sigset_t sa_mask; |
| 161 | unsigned long sa_flags; |
| 162 | void (*sa_restorer)(void); |
| 163 | }; |
| 164 | |
| 165 | #define sa_handler _u._sa_handler |
| 166 | #define sa_sigaction _u._sa_sigaction |
| 167 | |
| 168 | #endif /* __KERNEL__ */ |
| 169 | |
| 170 | typedef struct sigaltstack { |
| 171 | void *ss_sp; |
| 172 | int ss_flags; |
| 173 | size_t ss_size; |
| 174 | } stack_t; |
| 175 | |
| 176 | #ifdef __KERNEL__ |
| 177 | |
| 178 | #include <asm/sigcontext.h> |
| 179 | #undef __HAVE_ARCH_SIG_BITOPS |
| 180 | |
| 181 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) |
| 182 | |
| 183 | #endif /* __KERNEL__ */ |
| 184 | |
| 185 | #endif /* _ASM_UBICOM32_SIGNAL_H */ |
| 186 | |
