1 #ifndef MIPS_TARGET_SIGNAL_H
2 #define MIPS_TARGET_SIGNAL_H
3 
4 #define TARGET_SIGHUP            1      /* Hangup (POSIX).  */
5 #define TARGET_SIGINT            2      /* Interrupt (ANSI).  */
6 #define TARGET_SIGQUIT           3      /* Quit (POSIX).  */
7 #define TARGET_SIGILL            4      /* Illegal instruction (ANSI).  */
8 #define TARGET_SIGTRAP           5      /* Trace trap (POSIX).  */
9 #define TARGET_SIGIOT            6      /* IOT trap (4.2 BSD).  */
10 #define TARGET_SIGABRT           TARGET_SIGIOT  /* Abort (ANSI).  */
11 #define TARGET_SIGEMT            7
12 #define TARGET_SIGSTKFLT         7 /* XXX: incorrect */
13 #define TARGET_SIGFPE            8      /* Floating-point exception (ANSI).  */
14 #define TARGET_SIGKILL           9      /* Kill, unblockable (POSIX).  */
15 #define TARGET_SIGBUS           10      /* BUS error (4.2 BSD).  */
16 #define TARGET_SIGSEGV          11      /* Segmentation violation (ANSI).  */
17 #define TARGET_SIGSYS           12
18 #define TARGET_SIGPIPE          13      /* Broken pipe (POSIX).  */
19 #define TARGET_SIGALRM          14      /* Alarm clock (POSIX).  */
20 #define TARGET_SIGTERM          15      /* Termination (ANSI).  */
21 #define TARGET_SIGUSR1          16      /* User-defined signal 1 (POSIX).  */
22 #define TARGET_SIGUSR2          17      /* User-defined signal 2 (POSIX).  */
23 #define TARGET_SIGCHLD          18      /* Child status has changed (POSIX).  */
24 #define TARGET_SIGCLD           TARGET_SIGCHLD  /* Same as TARGET_SIGCHLD (System V).  */
25 #define TARGET_SIGPWR           19      /* Power failure restart (System V).  */
26 #define TARGET_SIGWINCH 20      /* Window size change (4.3 BSD, Sun).  */
27 #define TARGET_SIGURG           21      /* Urgent condition on socket (4.2 BSD).  */
28 #define TARGET_SIGIO            22      /* I/O now possible (4.2 BSD).  */
29 #define TARGET_SIGPOLL          TARGET_SIGIO    /* Pollable event occurred (System V).  */
30 #define TARGET_SIGSTOP          23      /* Stop, unblockable (POSIX).  */
31 #define TARGET_SIGTSTP          24      /* Keyboard stop (POSIX).  */
32 #define TARGET_SIGCONT          25      /* Continue (POSIX).  */
33 #define TARGET_SIGTTIN          26      /* Background read from tty (POSIX).  */
34 #define TARGET_SIGTTOU          27      /* Background write to tty (POSIX).  */
35 #define TARGET_SIGVTALRM        28      /* Virtual alarm clock (4.2 BSD).  */
36 #define TARGET_SIGPROF          29      /* Profiling alarm clock (4.2 BSD).  */
37 #define TARGET_SIGXCPU          30      /* CPU limit exceeded (4.2 BSD).  */
38 #define TARGET_SIGXFSZ          31      /* File size limit exceeded (4.2 BSD).  */
39 #define TARGET_SIGRTMIN         32
40 
41 #define TARGET_SIG_BLOCK        1       /* for blocking signals */
42 #define TARGET_SIG_UNBLOCK      2       /* for unblocking signals */
43 #define TARGET_SIG_SETMASK      3       /* for setting the signal mask */
44 
45 /* this struct defines a stack used during syscall handling */
46 
47 typedef struct target_sigaltstack {
48     abi_ulong ss_sp;
49     abi_ulong ss_size;
50     abi_int ss_flags;
51 } target_stack_t;
52 
53 
54 /*
55  * sigaltstack controls
56  */
57 #define TARGET_SS_ONSTACK     1
58 #define TARGET_SS_DISABLE     2
59 
60 #define TARGET_SA_NOCLDSTOP     0x00000001
61 #define TARGET_SA_NOCLDWAIT     0x00010000
62 #define TARGET_SA_SIGINFO       0x00000008
63 #define TARGET_SA_ONSTACK       0x08000000
64 #define TARGET_SA_NODEFER       0x40000000
65 #define TARGET_SA_RESTART       0x10000000
66 #define TARGET_SA_RESETHAND     0x80000000
67 #define TARGET_SA_RESTORER      0x04000000      /* Only for O32 */
68 
69 #define TARGET_MINSIGSTKSZ    2048
70 #define TARGET_SIGSTKSZ       8192
71 
72 #if defined(TARGET_ABI_MIPSO32)
73 /* compare linux/arch/mips/kernel/signal.c:setup_frame() */
74 #define TARGET_ARCH_HAS_SETUP_FRAME
75 #endif
76 #define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
77 
78 /* bit-flags */
79 #define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
80 /* mask for all SS_xxx flags */
81 #define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
82 
83 #endif /* MIPS_TARGET_SIGNAL_H */
84