diff options
Diffstat (limited to 'arch/sparc/include/asm/signal.h')
| -rw-r--r-- | arch/sparc/include/asm/signal.h | 212 |
1 files changed, 207 insertions, 5 deletions
diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index 27ab05dc203e..41535e77b255 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h | |||
| @@ -1,8 +1,210 @@ | |||
| 1 | #ifndef ___ASM_SPARC_SIGNAL_H | 1 | #ifndef __SPARC_SIGNAL_H |
| 2 | #define ___ASM_SPARC_SIGNAL_H | 2 | #define __SPARC_SIGNAL_H |
| 3 | #if defined(__sparc__) && defined(__arch64__) | 3 | |
| 4 | #include <asm/signal_64.h> | 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 | #define _NSIG_BPW 64 | ||
| 88 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | ||
| 89 | |||
| 90 | #define SIGRTMIN 32 | ||
| 91 | #define SIGRTMAX __NEW_NSIG | ||
| 92 | |||
| 93 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | ||
| 94 | #define _NSIG __NEW_NSIG | ||
| 95 | #define __new_sigset_t sigset_t | ||
| 96 | #define __new_sigaction sigaction | ||
| 97 | #define __new_sigaction32 sigaction32 | ||
| 98 | #define __old_sigset_t old_sigset_t | ||
| 99 | #define __old_sigaction old_sigaction | ||
| 100 | #define __old_sigaction32 old_sigaction32 | ||
| 5 | #else | 101 | #else |
| 6 | #include <asm/signal_32.h> | 102 | #define _NSIG __OLD_NSIG |
| 103 | #define NSIG _NSIG | ||
| 104 | #define __old_sigset_t sigset_t | ||
| 105 | #define __old_sigaction sigaction | ||
| 106 | #define __old_sigaction32 sigaction32 | ||
| 7 | #endif | 107 | #endif |
| 108 | |||
| 109 | #ifndef __ASSEMBLY__ | ||
| 110 | |||
| 111 | typedef unsigned long __old_sigset_t; /* at least 32 bits */ | ||
| 112 | |||
| 113 | typedef struct { | ||
| 114 | unsigned long sig[_NSIG_WORDS]; | ||
| 115 | } __new_sigset_t; | ||
| 116 | |||
| 117 | /* A SunOS sigstack */ | ||
| 118 | struct sigstack { | ||
| 119 | /* XXX 32-bit pointers pinhead XXX */ | ||
| 120 | char *the_stack; | ||
| 121 | int cur_status; | ||
| 122 | }; | ||
| 123 | |||
| 124 | /* Sigvec flags */ | ||
| 125 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | ||
| 126 | #define _SV_INTR 2u /* Sig return should not restart system call */ | ||
| 127 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | ||
| 128 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | ||
| 129 | |||
| 130 | /* | ||
| 131 | * sa_flags values: SA_STACK is not currently supported, but will allow the | ||
| 132 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | ||
| 133 | * the sigaction structure as a stack pointer. This is now possible due to | ||
| 134 | * the changes in signal handling. LBT 010493. | ||
| 135 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
| 136 | */ | ||
| 137 | #define SA_NOCLDSTOP _SV_IGNCHILD | ||
| 138 | #define SA_STACK _SV_SSTACK | ||
| 139 | #define SA_ONSTACK _SV_SSTACK | ||
| 140 | #define SA_RESTART _SV_INTR | ||
| 141 | #define SA_ONESHOT _SV_RESET | ||
| 142 | #define SA_NOMASK 0x20u | ||
| 143 | #define SA_NOCLDWAIT 0x100u | ||
| 144 | #define SA_SIGINFO 0x200u | ||
| 145 | |||
| 146 | |||
| 147 | #define SIG_BLOCK 0x01 /* for blocking signals */ | ||
| 148 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | ||
| 149 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | ||
| 150 | |||
| 151 | /* | ||
| 152 | * sigaltstack controls | ||
| 153 | */ | ||
| 154 | #define SS_ONSTACK 1 | ||
| 155 | #define SS_DISABLE 2 | ||
| 156 | |||
| 157 | #define MINSIGSTKSZ 4096 | ||
| 158 | #define SIGSTKSZ 16384 | ||
| 159 | |||
| 160 | #ifdef __KERNEL__ | ||
| 161 | /* | ||
| 162 | * DJHR | ||
| 163 | * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this | ||
| 164 | * interrupt handler's irq structure should be statically allocated | ||
| 165 | * by the request_irq routine. | ||
| 166 | * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge | ||
| 167 | * of interrupt usage and that sucks. Also without a flag like this | ||
| 168 | * it may be possible for the free_irq routine to attempt to free | ||
| 169 | * statically allocated data.. which is NOT GOOD. | ||
| 170 | * | ||
| 171 | */ | ||
| 172 | #define SA_STATIC_ALLOC 0x8000 | ||
| 8 | #endif | 173 | #endif |
| 174 | |||
| 175 | #include <asm-generic/signal.h> | ||
| 176 | |||
| 177 | struct __new_sigaction { | ||
| 178 | __sighandler_t sa_handler; | ||
| 179 | unsigned long sa_flags; | ||
| 180 | __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ | ||
| 181 | __new_sigset_t sa_mask; | ||
| 182 | }; | ||
| 183 | |||
| 184 | struct __old_sigaction { | ||
| 185 | __sighandler_t sa_handler; | ||
| 186 | __old_sigset_t sa_mask; | ||
| 187 | unsigned long sa_flags; | ||
| 188 | void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ | ||
| 189 | }; | ||
| 190 | |||
| 191 | typedef struct sigaltstack { | ||
| 192 | void __user *ss_sp; | ||
| 193 | int ss_flags; | ||
| 194 | size_t ss_size; | ||
| 195 | } stack_t; | ||
| 196 | |||
| 197 | #ifdef __KERNEL__ | ||
| 198 | |||
| 199 | struct k_sigaction { | ||
| 200 | struct __new_sigaction sa; | ||
| 201 | void __user *ka_restorer; | ||
| 202 | }; | ||
| 203 | |||
| 204 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
| 205 | |||
| 206 | #endif /* !(__KERNEL__) */ | ||
| 207 | |||
| 208 | #endif /* !(__ASSEMBLY__) */ | ||
| 209 | |||
| 210 | #endif /* !(__SPARC_SIGNAL_H) */ | ||
