1 #ifndef __SPARC_SIGNAL_H 2 #define __SPARC_SIGNAL_H 3 4 #include <asm/sigcontext.h> 5 #include <linux/compiler.h> 6 7 #ifdef __KERNEL__ 8 #ifndef __ASSEMBLY__ 9 #include <linux/personality.h> 10 #include <linux/types.h> 11 #endif 12 #endif 13 14 /* On the Sparc the signal handlers get passed a 'sub-signal' code 15 * for certain signal types, which we document here. 16 */ 17 #define SIGHUP 1 18 #define SIGINT 2 19 #define SIGQUIT 3 20 #define SIGILL 4 21 #define SUBSIG_STACK 0 22 #define SUBSIG_ILLINST 2 23 #define SUBSIG_PRIVINST 3 24 #define SUBSIG_BADTRAP(t) (0x80 + (t)) 25 26 #define SIGTRAP 5 27 #define SIGABRT 6 28 #define SIGIOT 6 29 30 #define SIGEMT 7 31 #define SUBSIG_TAG 10 32 33 #define SIGFPE 8 34 #define SUBSIG_FPDISABLED 0x400 35 #define SUBSIG_FPERROR 0x404 36 #define SUBSIG_FPINTOVFL 0x001 37 #define SUBSIG_FPSTSIG 0x002 38 #define SUBSIG_IDIVZERO 0x014 39 #define SUBSIG_FPINEXACT 0x0c4 40 #define SUBSIG_FPDIVZERO 0x0c8 41 #define SUBSIG_FPUNFLOW 0x0cc 42 #define SUBSIG_FPOPERROR 0x0d0 43 #define SUBSIG_FPOVFLOW 0x0d4 44 45 #define SIGKILL 9 46 #define SIGBUS 10 47 #define SUBSIG_BUSTIMEOUT 1 48 #define SUBSIG_ALIGNMENT 2 49 #define SUBSIG_MISCERROR 5 50 51 #define SIGSEGV 11 52 #define SUBSIG_NOMAPPING 3 53 #define SUBSIG_PROTECTION 4 54 #define SUBSIG_SEGERROR 5 55 56 #define SIGSYS 12 57 58 #define SIGPIPE 13 59 #define SIGALRM 14 60 #define SIGTERM 15 61 #define SIGURG 16 62 63 /* SunOS values which deviate from the Linux/i386 ones */ 64 #define SIGSTOP 17 65 #define SIGTSTP 18 66 #define SIGCONT 19 67 #define SIGCHLD 20 68 #define SIGTTIN 21 69 #define SIGTTOU 22 70 #define SIGIO 23 71 #define SIGPOLL SIGIO /* SysV name for SIGIO */ 72 #define SIGXCPU 24 73 #define SIGXFSZ 25 74 #define SIGVTALRM 26 75 #define SIGPROF 27 76 #define SIGWINCH 28 77 #define SIGLOST 29 78 #define SIGPWR SIGLOST 79 #define SIGUSR1 30 80 #define SIGUSR2 31 81 82 /* Most things should be clean enough to redefine this at will, if care 83 is taken to make libc match. */ 84 85 #define __OLD_NSIG 32 86 #define __NEW_NSIG 64 87 #ifdef __arch64__ 88 #define _NSIG_BPW 64 89 #else 90 #define _NSIG_BPW 32 91 #endif 92 #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) 93 94 #define SIGRTMIN 32 95 #define SIGRTMAX __NEW_NSIG 96 97 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) 98 #define _NSIG __NEW_NSIG 99 #define __new_sigset_t sigset_t 100 #define __new_sigaction sigaction 101 #define __new_sigaction32 sigaction32 102 #define __old_sigset_t old_sigset_t 103 #define __old_sigaction old_sigaction 104 #define __old_sigaction32 old_sigaction32 105 #else 106 #define _NSIG __OLD_NSIG 107 #define NSIG _NSIG 108 #define __old_sigset_t sigset_t 109 #define __old_sigaction sigaction 110 #define __old_sigaction32 sigaction32 111 #endif 112 113 #ifndef __ASSEMBLY__ 114 115 typedef unsigned long __old_sigset_t; /* at least 32 bits */ 116 117 typedef struct { 118 unsigned long sig[_NSIG_WORDS]; 119 } __new_sigset_t; 120 121 /* A SunOS sigstack */ 122 struct sigstack { 123 /* XXX 32-bit pointers pinhead XXX */ 124 char *the_stack; 125 int cur_status; 126 }; 127 128 /* Sigvec flags */ 129 #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ 130 #define _SV_INTR 2u /* Sig return should not restart system call */ 131 #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ 132 #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ 133 134 /* 135 * sa_flags values: SA_STACK is not currently supported, but will allow the 136 * usage of signal stacks by using the (now obsolete) sa_restorer field in 137 * the sigaction structure as a stack pointer. This is now possible due to 138 * the changes in signal handling. LBT 010493. 139 * SA_RESTART flag to get restarting signals (which were the default long ago) 140 */ 141 #define SA_NOCLDSTOP _SV_IGNCHILD 142 #define SA_STACK _SV_SSTACK 143 #define SA_ONSTACK _SV_SSTACK 144 #define SA_RESTART _SV_INTR 145 #define SA_ONESHOT _SV_RESET 146 #define SA_NODEFER 0x20u 147 #define SA_NOCLDWAIT 0x100u 148 #define SA_SIGINFO 0x200u 149 150 #define SA_NOMASK SA_NODEFER 151 152 #define SIG_BLOCK 0x01 /* for blocking signals */ 153 #define SIG_UNBLOCK 0x02 /* for unblocking signals */ 154 #define SIG_SETMASK 0x04 /* for setting the signal mask */ 155 156 /* 157 * sigaltstack controls 158 */ 159 #define SS_ONSTACK 1 160 #define SS_DISABLE 2 161 162 #define MINSIGSTKSZ 4096 163 #define SIGSTKSZ 16384 164 165 #ifdef __KERNEL__ 166 /* 167 * DJHR 168 * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this 169 * interrupt handler's irq structure should be statically allocated 170 * by the request_irq routine. 171 * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge 172 * of interrupt usage and that sucks. Also without a flag like this 173 * it may be possible for the free_irq routine to attempt to free 174 * statically allocated data.. which is NOT GOOD. 175 * 176 */ 177 #define SA_STATIC_ALLOC 0x8000 178 #endif 179 180 #include <asm-generic/signal-defs.h> 181 182 struct __new_sigaction { 183 __sighandler_t sa_handler; 184 unsigned long sa_flags; 185 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ 186 __new_sigset_t sa_mask; 187 }; 188 189 struct __old_sigaction { 190 __sighandler_t sa_handler; 191 __old_sigset_t sa_mask; 192 unsigned long sa_flags; 193 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ 194 }; 195 196 typedef struct sigaltstack { 197 void __user *ss_sp; 198 int ss_flags; 199 size_t ss_size; 200 } stack_t; 201 202 #ifdef __KERNEL__ 203 204 struct k_sigaction { 205 struct __new_sigaction sa; 206 void __user *ka_restorer; 207 }; 208 209 #define ptrace_signal_deliver(regs, cookie) do { } while (0) 210 211 #endif /* !(__KERNEL__) */ 212 213 #endif /* !(__ASSEMBLY__) */ 214 215 #endif /* !(__SPARC_SIGNAL_H) */ 216