David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 1 | #ifndef _ASM_POWERPC_SIGNAL_H |
| 2 | #define _ASM_POWERPC_SIGNAL_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | #include <linux/types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | |
| 6 | #define _NSIG 64 |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame^] | 7 | #ifdef __powerpc64__ |
| 8 | #define _NSIG_BPW 64 |
| 9 | #else |
| 10 | #define _NSIG_BPW 32 |
| 11 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) |
| 13 | |
| 14 | typedef unsigned long old_sigset_t; /* at least 32 bits */ |
| 15 | |
| 16 | typedef struct { |
| 17 | unsigned long sig[_NSIG_WORDS]; |
| 18 | } sigset_t; |
| 19 | |
| 20 | #define SIGHUP 1 |
| 21 | #define SIGINT 2 |
| 22 | #define SIGQUIT 3 |
| 23 | #define SIGILL 4 |
| 24 | #define SIGTRAP 5 |
| 25 | #define SIGABRT 6 |
| 26 | #define SIGIOT 6 |
| 27 | #define SIGBUS 7 |
| 28 | #define SIGFPE 8 |
| 29 | #define SIGKILL 9 |
| 30 | #define SIGUSR1 10 |
| 31 | #define SIGSEGV 11 |
| 32 | #define SIGUSR2 12 |
| 33 | #define SIGPIPE 13 |
| 34 | #define SIGALRM 14 |
| 35 | #define SIGTERM 15 |
| 36 | #define SIGSTKFLT 16 |
| 37 | #define SIGCHLD 17 |
| 38 | #define SIGCONT 18 |
| 39 | #define SIGSTOP 19 |
| 40 | #define SIGTSTP 20 |
| 41 | #define SIGTTIN 21 |
| 42 | #define SIGTTOU 22 |
| 43 | #define SIGURG 23 |
| 44 | #define SIGXCPU 24 |
| 45 | #define SIGXFSZ 25 |
| 46 | #define SIGVTALRM 26 |
| 47 | #define SIGPROF 27 |
| 48 | #define SIGWINCH 28 |
| 49 | #define SIGIO 29 |
| 50 | #define SIGPOLL SIGIO |
| 51 | /* |
| 52 | #define SIGLOST 29 |
| 53 | */ |
| 54 | #define SIGPWR 30 |
| 55 | #define SIGSYS 31 |
| 56 | #define SIGUNUSED 31 |
| 57 | |
| 58 | /* These should not be considered constants from userland. */ |
| 59 | #define SIGRTMIN 32 |
| 60 | #define SIGRTMAX _NSIG |
| 61 | |
| 62 | /* |
| 63 | * SA_FLAGS values: |
| 64 | * |
| 65 | * SA_ONSTACK is not currently supported, but will allow sigaltstack(2). |
| 66 | * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the |
| 67 | * SA_RESTART flag to get restarting signals (which were the default long ago) |
| 68 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. |
| 69 | * SA_RESETHAND clears the handler when the signal is delivered. |
| 70 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. |
| 71 | * SA_NODEFER prevents the current signal from being masked in the handler. |
| 72 | * |
| 73 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single |
| 74 | * Unix names RESETHAND and NODEFER respectively. |
| 75 | */ |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 76 | #define SA_NOCLDSTOP 0x00000001U |
| 77 | #define SA_NOCLDWAIT 0x00000002U |
| 78 | #define SA_SIGINFO 0x00000004U |
| 79 | #define SA_ONSTACK 0x08000000U |
| 80 | #define SA_RESTART 0x10000000U |
| 81 | #define SA_NODEFER 0x40000000U |
| 82 | #define SA_RESETHAND 0x80000000U |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | #define SA_NOMASK SA_NODEFER |
| 85 | #define SA_ONESHOT SA_RESETHAND |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 86 | #define SA_INTERRUPT 0x20000000u /* dummy -- ignored */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 88 | #define SA_RESTORER 0x04000000U |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
| 90 | /* |
| 91 | * sigaltstack controls |
| 92 | */ |
| 93 | #define SS_ONSTACK 1 |
| 94 | #define SS_DISABLE 2 |
| 95 | |
| 96 | #define MINSIGSTKSZ 2048 |
| 97 | #define SIGSTKSZ 8192 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | |
Al Viro | b1ecb4c | 2005-05-04 05:40:12 +0100 | [diff] [blame] | 99 | #include <asm-generic/signal.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | struct old_sigaction { |
| 102 | __sighandler_t sa_handler; |
| 103 | old_sigset_t sa_mask; |
| 104 | unsigned long sa_flags; |
| 105 | __sigrestore_t sa_restorer; |
| 106 | }; |
| 107 | |
| 108 | struct sigaction { |
| 109 | __sighandler_t sa_handler; |
| 110 | unsigned long sa_flags; |
| 111 | __sigrestore_t sa_restorer; |
| 112 | sigset_t sa_mask; /* mask last for extensibility */ |
| 113 | }; |
| 114 | |
| 115 | struct k_sigaction { |
| 116 | struct sigaction sa; |
| 117 | }; |
| 118 | |
| 119 | typedef struct sigaltstack { |
| 120 | void __user *ss_sp; |
| 121 | int ss_flags; |
| 122 | size_t ss_size; |
| 123 | } stack_t; |
| 124 | |
| 125 | #ifdef __KERNEL__ |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 126 | struct pt_regs; |
| 127 | extern int do_signal(sigset_t *oldset, struct pt_regs *regs); |
| 128 | extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) |
| 130 | #endif /* __KERNEL__ */ |
| 131 | |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 132 | #ifndef __powerpc64__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | /* |
| 134 | * These are parameters to dbg_sigreturn syscall. They enable or |
| 135 | * disable certain debugging things that can be done from signal |
| 136 | * handlers. The dbg_sigreturn syscall *must* be called from a |
| 137 | * SA_SIGINFO signal so the ucontext can be passed to it. It takes an |
| 138 | * array of struct sig_dbg_op, which has the debug operations to |
| 139 | * perform before returning from the signal. |
| 140 | */ |
| 141 | struct sig_dbg_op { |
| 142 | int dbg_type; |
| 143 | unsigned long dbg_value; |
| 144 | }; |
| 145 | |
| 146 | /* Enable or disable single-stepping. The value sets the state. */ |
| 147 | #define SIG_DBG_SINGLE_STEPPING 1 |
| 148 | |
| 149 | /* Enable or disable branch tracing. The value sets the state. */ |
| 150 | #define SIG_DBG_BRANCH_TRACING 2 |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 151 | #endif /* ! __powerpc64__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | |
David Gibson | c5ff700 | 2005-11-09 11:21:07 +1100 | [diff] [blame] | 153 | #endif /* _ASM_POWERPC_SIGNAL_H */ |