cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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signal.h (4740B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _UAPI__SPARC_SIGNAL_H
      3#define _UAPI__SPARC_SIGNAL_H
      4
      5#include <asm/sigcontext.h>
      6#include <linux/compiler.h>
      7
      8
      9/* On the Sparc the signal handlers get passed a 'sub-signal' code
     10 * for certain signal types, which we document here.
     11 */
     12#define SIGHUP		 1
     13#define SIGINT		 2
     14#define SIGQUIT		 3
     15#define SIGILL		 4
     16#define    SUBSIG_STACK       0
     17#define    SUBSIG_ILLINST     2
     18#define    SUBSIG_PRIVINST    3
     19#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
     20
     21#define SIGTRAP		 5
     22#define SIGABRT		 6
     23#define SIGIOT		 6
     24
     25#define SIGEMT           7
     26#define    SUBSIG_TAG    10
     27
     28#define SIGFPE		 8
     29#define    SUBSIG_FPDISABLED     0x400
     30#define    SUBSIG_FPERROR        0x404
     31#define    SUBSIG_FPINTOVFL      0x001
     32#define    SUBSIG_FPSTSIG        0x002
     33#define    SUBSIG_IDIVZERO       0x014
     34#define    SUBSIG_FPINEXACT      0x0c4
     35#define    SUBSIG_FPDIVZERO      0x0c8
     36#define    SUBSIG_FPUNFLOW       0x0cc
     37#define    SUBSIG_FPOPERROR      0x0d0
     38#define    SUBSIG_FPOVFLOW       0x0d4
     39
     40#define SIGKILL		 9
     41#define SIGBUS          10
     42#define    SUBSIG_BUSTIMEOUT    1
     43#define    SUBSIG_ALIGNMENT     2
     44#define    SUBSIG_MISCERROR     5
     45
     46#define SIGSEGV		11
     47#define    SUBSIG_NOMAPPING     3
     48#define    SUBSIG_PROTECTION    4
     49#define    SUBSIG_SEGERROR      5
     50
     51#define SIGSYS		12
     52
     53#define SIGPIPE		13
     54#define SIGALRM		14
     55#define SIGTERM		15
     56#define SIGURG          16
     57
     58/* SunOS values which deviate from the Linux/i386 ones */
     59#define SIGSTOP		17
     60#define SIGTSTP		18
     61#define SIGCONT		19
     62#define SIGCHLD		20
     63#define SIGTTIN		21
     64#define SIGTTOU		22
     65#define SIGIO		23
     66#define SIGPOLL		SIGIO   /* SysV name for SIGIO */
     67#define SIGXCPU		24
     68#define SIGXFSZ		25
     69#define SIGVTALRM	26
     70#define SIGPROF		27
     71#define SIGWINCH	28
     72#define SIGLOST		29
     73#define SIGPWR		SIGLOST
     74#define SIGUSR1		30
     75#define SIGUSR2		31
     76
     77/* Most things should be clean enough to redefine this at will, if care
     78   is taken to make libc match.  */
     79
     80#define __OLD_NSIG	32
     81#define __NEW_NSIG      64
     82#ifdef __arch64__
     83#define _NSIG_BPW       64
     84#else
     85#define _NSIG_BPW       32
     86#endif
     87#define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
     88
     89#define SIGRTMIN       32
     90#define SIGRTMAX       __NEW_NSIG
     91
     92#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
     93#define _NSIG			__NEW_NSIG
     94#define __new_sigset_t		sigset_t
     95#define __new_sigaction		sigaction
     96#define __new_sigaction32	sigaction32
     97#define __old_sigset_t		old_sigset_t
     98#define __old_sigaction		old_sigaction
     99#define __old_sigaction32	old_sigaction32
    100#else
    101#define _NSIG			__OLD_NSIG
    102#define NSIG			_NSIG
    103#define __old_sigset_t		sigset_t
    104#define __old_sigaction		sigaction
    105#define __old_sigaction32	sigaction32
    106#endif
    107
    108#ifndef __ASSEMBLY__
    109
    110typedef unsigned long __old_sigset_t;            /* at least 32 bits */
    111
    112typedef struct {
    113       unsigned long sig[_NSIG_WORDS];
    114} __new_sigset_t;
    115
    116/* A SunOS sigstack */
    117struct sigstack {
    118	/* XXX 32-bit pointers pinhead XXX */
    119	char *the_stack;
    120	int   cur_status;
    121};
    122
    123/* Sigvec flags */
    124#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
    125#define _SV_INTR      2u    /* Sig return should not restart system call */
    126#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
    127#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
    128
    129/*
    130 * sa_flags values: SA_STACK is not currently supported, but will allow the
    131 * usage of signal stacks by using the (now obsolete) sa_restorer field in
    132 * the sigaction structure as a stack pointer. This is now possible due to
    133 * the changes in signal handling. LBT 010493.
    134 * SA_RESTART flag to get restarting signals (which were the default long ago)
    135 */
    136#define SA_NOCLDSTOP	_SV_IGNCHILD
    137#define SA_STACK	_SV_SSTACK
    138#define SA_ONSTACK	_SV_SSTACK
    139#define SA_RESTART	_SV_INTR
    140#define SA_RESETHAND	_SV_RESET
    141#define SA_NODEFER	0x20u
    142#define SA_NOCLDWAIT    0x100u
    143#define SA_SIGINFO      0x200u
    144
    145#define SIG_BLOCK          0x01	/* for blocking signals */
    146#define SIG_UNBLOCK        0x02	/* for unblocking signals */
    147#define SIG_SETMASK        0x04	/* for setting the signal mask */
    148
    149#define MINSIGSTKSZ	4096
    150#define SIGSTKSZ	16384
    151
    152
    153#include <asm-generic/signal-defs.h>
    154#include <asm/posix_types.h>
    155
    156#ifndef __KERNEL__
    157struct __new_sigaction {
    158	__sighandler_t		sa_handler;
    159	unsigned long		sa_flags;
    160	__sigrestore_t		sa_restorer;  /* not used by Linux/SPARC yet */
    161	__new_sigset_t		sa_mask;
    162};
    163
    164struct __old_sigaction {
    165	__sighandler_t		sa_handler;
    166	__old_sigset_t		sa_mask;
    167	unsigned long		sa_flags;
    168	void			(*sa_restorer)(void);  /* not used by Linux/SPARC yet */
    169};
    170#endif
    171
    172typedef struct sigaltstack {
    173	void			__user *ss_sp;
    174	int			ss_flags;
    175	__kernel_size_t		ss_size;
    176} stack_t;
    177
    178
    179#endif /* !(__ASSEMBLY__) */
    180
    181#endif /* _UAPI__SPARC_SIGNAL_H */