libc-top-half/musl/arch/i386/bits/signal.h

   1 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
   2  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
   3
   4 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
   5 #define MINSIGSTKSZ 2048
   6 #define SIGSTKSZ 8192
   7 #endif
   8
   9 #ifdef _GNU_SOURCE
  10 enum { REG_GS = 0 };
  11 #define REG_GS REG_GS
  12 enum { REG_FS = 1 };
  13 #define REG_FS REG_FS
  14 enum { REG_ES = 2 };
  15 #define REG_ES REG_ES
  16 enum { REG_DS = 3 };
  17 #define REG_DS REG_DS
  18 enum { REG_EDI = 4 };
  19 #define REG_EDI REG_EDI
  20 enum { REG_ESI = 5 };
  21 #define REG_ESI REG_ESI
  22 enum { REG_EBP = 6 };
  23 #define REG_EBP REG_EBP
  24 enum { REG_ESP = 7 };
  25 #define REG_ESP REG_ESP
  26 enum { REG_EBX = 8 };
  27 #define REG_EBX REG_EBX
  28 enum { REG_EDX = 9 };
  29 #define REG_EDX REG_EDX
  30 enum { REG_ECX = 10 };
  31 #define REG_ECX REG_ECX
  32 enum { REG_EAX = 11 };
  33 #define REG_EAX REG_EAX
  34 enum { REG_TRAPNO = 12 };
  35 #define REG_TRAPNO REG_TRAPNO
  36 enum { REG_ERR = 13 };
  37 #define REG_ERR REG_ERR
  38 enum { REG_EIP = 14 };
  39 #define REG_EIP REG_EIP
  40 enum { REG_CS = 15 };
  41 #define REG_CS REG_CS
  42 enum { REG_EFL = 16 };
  43 #define REG_EFL REG_EFL
  44 enum { REG_UESP = 17 };
  45 #define REG_UESP REG_UESP
  46 enum { REG_SS = 18 };
  47 #define REG_SS REG_SS
  48 #endif
  49
  50 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  51 typedef int greg_t, gregset_t[19];
  52 typedef struct _fpstate {
  53         unsigned long cw, sw, tag, ipoff, cssel, dataoff, datasel;
  54         struct {
  55                 unsigned short significand[4], exponent;
  56         } _st[8];
  57         unsigned long status;
  58 } *fpregset_t;
  59 struct sigcontext {
  60         unsigned short gs, __gsh, fs, __fsh, es, __esh, ds, __dsh;
  61         unsigned long edi, esi, ebp, esp, ebx, edx, ecx, eax;
  62         unsigned long trapno, err, eip;
  63         unsigned short cs, __csh;
  64         unsigned long eflags, esp_at_signal;
  65         unsigned short ss, __ssh;
  66         struct _fpstate *fpstate;
  67         unsigned long oldmask, cr2;
  68 };
  69 typedef struct {
  70         gregset_t gregs;
  71         fpregset_t fpregs;
  72         unsigned long oldmask, cr2;
  73 } mcontext_t;
  74 #else
  75 typedef struct {
  76         unsigned __space[22];
  77 } mcontext_t;
  78 #endif
  79
  80 struct sigaltstack {
  81         void *ss_sp;
  82         int ss_flags;
  83         size_t ss_size;
  84 };
  85
  86 typedef struct __ucontext {
  87         unsigned long uc_flags;
  88         struct __ucontext *uc_link;
  89         stack_t uc_stack;
  90         mcontext_t uc_mcontext;
  91         sigset_t uc_sigmask;
  92         unsigned long __fpregs_mem[28];
  93 } ucontext_t;
  94
  95 #define SA_NOCLDSTOP  1
  96 #define SA_NOCLDWAIT  2
  97 #define SA_SIGINFO    4
  98 #define SA_ONSTACK    0x08000000
  99 #define SA_RESTART    0x10000000
 100 #define SA_NODEFER    0x40000000
 101 #define SA_RESETHAND  0x80000000
 102 #define SA_RESTORER   0x04000000
 103
 104 #endif
 105
 106 #define SIGHUP    1
 107 #define SIGINT    2
 108 #define SIGQUIT   3
 109 #define SIGILL    4
 110 #define SIGTRAP   5
 111 #define SIGABRT   6
 112 #define SIGIOT    SIGABRT
 113 #define SIGBUS    7
 114 #define SIGFPE    8
 115 #define SIGKILL   9
 116 #define SIGUSR1   10
 117 #define SIGSEGV   11
 118 #define SIGUSR2   12
 119 #define SIGPIPE   13
 120 #define SIGALRM   14
 121 #define SIGTERM   15
 122 #define SIGSTKFLT 16
 123 #define SIGCHLD   17
 124 #define SIGCONT   18
 125 #define SIGSTOP   19
 126 #define SIGTSTP   20
 127 #define SIGTTIN   21
 128 #define SIGTTOU   22
 129 #define SIGURG    23
 130 #define SIGXCPU   24
 131 #define SIGXFSZ   25
 132 #define SIGVTALRM 26
 133 #define SIGPROF   27
 134 #define SIGWINCH  28
 135 #define SIGIO     29
 136 #define SIGPOLL   29
 137 #define SIGPWR    30
 138 #define SIGSYS    31
 139 #define SIGUNUSED SIGSYS
 140
 141 #define _NSIG 65
 142