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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__SPARC_SIGNAL_H #define _UAPI__SPARC_SIGNAL_H #include <asm/sigcontext.h> #include <linux/compiler.h> /* On the Sparc the signal handlers get passed a 'sub-signal' code * for certain signal types, which we document here. */ #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SUBSIG_STACK 0 #define SUBSIG_ILLINST 2 #define SUBSIG_PRIVINST 3 #define SUBSIG_BADTRAP(t) (0x80 + (t)) #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 #define SIGEMT 7 #define SUBSIG_TAG 10 #define SIGFPE 8 #define SUBSIG_FPDISABLED 0x400 #define SUBSIG_FPERROR 0x404 #define SUBSIG_FPINTOVFL 0x001 #define SUBSIG_FPSTSIG 0x002 #define SUBSIG_IDIVZERO 0x014 #define SUBSIG_FPINEXACT 0x0c4 #define SUBSIG_FPDIVZERO 0x0c8 #define SUBSIG_FPUNFLOW 0x0cc #define SUBSIG_FPOPERROR 0x0d0 #define SUBSIG_FPOVFLOW 0x0d4 #define SIGKILL 9 #define SIGBUS 10 #define SUBSIG_BUSTIMEOUT 1 #define SUBSIG_ALIGNMENT 2 #define SUBSIG_MISCERROR 5 #define SIGSEGV 11 #define SUBSIG_NOMAPPING 3 #define SUBSIG_PROTECTION 4 #define SUBSIG_SEGERROR 5 #define SIGSYS 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 #define SIGURG 16 /* SunOS values which deviate from the Linux/i386 ones */ #define SIGSTOP 17 #define SIGTSTP 18 #define SIGCONT 19 #define SIGCHLD 20 #define SIGTTIN 21 #define SIGTTOU 22 #define SIGIO 23 #define SIGPOLL SIGIO /* SysV name for SIGIO */ #define SIGXCPU 24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGLOST 29 #define SIGPWR SIGLOST #define SIGUSR1 30 #define SIGUSR2 31 /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ #define __OLD_NSIG 32 #define __NEW_NSIG 64 #ifdef __arch64__ #define _NSIG_BPW 64 #else #define _NSIG_BPW 32 #endif #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) #define SIGRTMIN 32 #define SIGRTMAX __NEW_NSIG #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) #define _NSIG __NEW_NSIG #define __new_sigset_t sigset_t #define __new_sigaction sigaction #define __new_sigaction32 sigaction32 #define __old_sigset_t old_sigset_t #define __old_sigaction old_sigaction #define __old_sigaction32 old_sigaction32 #else #define _NSIG __OLD_NSIG #define NSIG _NSIG #define __old_sigset_t sigset_t #define __old_sigaction sigaction #define __old_sigaction32 sigaction32 #endif #ifndef __ASSEMBLY__ typedef unsigned long __old_sigset_t; /* at least 32 bits */ typedef struct { unsigned long sig[_NSIG_WORDS]; } __new_sigset_t; /* A SunOS sigstack */ struct sigstack { /* XXX 32-bit pointers pinhead XXX */ char *the_stack; int cur_status; }; /* Sigvec flags */ #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ #define _SV_INTR 2u /* Sig return should not restart system call */ #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ /* * sa_flags values: SA_STACK is not currently supported, but will allow the * usage of signal stacks by using the (now obsolete) sa_restorer field in * the sigaction structure as a stack pointer. This is now possible due to * the changes in signal handling. LBT 010493. * SA_RESTART flag to get restarting signals (which were the default long ago) */ #define SA_NOCLDSTOP _SV_IGNCHILD #define SA_STACK _SV_SSTACK #define SA_ONSTACK _SV_SSTACK #define SA_RESTART _SV_INTR #define SA_ONESHOT _SV_RESET #define SA_NODEFER 0x20u #define SA_NOCLDWAIT 0x100u #define SA_SIGINFO 0x200u #define SA_NOMASK SA_NODEFER #define SIG_BLOCK 0x01 /* for blocking signals */ #define SIG_UNBLOCK 0x02 /* for unblocking signals */ #define SIG_SETMASK 0x04 /* for setting the signal mask */ #define MINSIGSTKSZ 4096 #define SIGSTKSZ 16384 #include <asm-generic/signal-defs.h> #ifndef __KERNEL__ struct __new_sigaction { __sighandler_t sa_handler; unsigned long sa_flags; __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ __new_sigset_t sa_mask; }; struct __old_sigaction { __sighandler_t sa_handler; __old_sigset_t sa_mask; unsigned long sa_flags; void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ }; #endif typedef struct sigaltstack { void __user *ss_sp; int ss_flags; size_t ss_size; } stack_t; #endif /* !(__ASSEMBLY__) */ #endif /* _UAPI__SPARC_SIGNAL_H */
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