libc-top-half/musl/arch/x86_64/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_R8 = 0 };
  11 #define REG_R8 REG_R8
  12 enum { REG_R9 = 1 };
  13 #define REG_R9 REG_R9
  14 enum { REG_R10 = 2 };
  15 #define REG_R10 REG_R10
  16 enum { REG_R11 = 3 };
  17 #define REG_R11 REG_R11
  18 enum { REG_R12 = 4 };
  19 #define REG_R12 REG_R12
  20 enum { REG_R13 = 5 };
  21 #define REG_R13 REG_R13
  22 enum { REG_R14 = 6 };
  23 #define REG_R14 REG_R14
  24 enum { REG_R15 = 7 };
  25 #define REG_R15 REG_R15
  26 enum { REG_RDI = 8 };
  27 #define REG_RDI REG_RDI
  28 enum { REG_RSI = 9 };
  29 #define REG_RSI REG_RSI
  30 enum { REG_RBP = 10 };
  31 #define REG_RBP REG_RBP
  32 enum { REG_RBX = 11 };
  33 #define REG_RBX REG_RBX
  34 enum { REG_RDX = 12 };
  35 #define REG_RDX REG_RDX
  36 enum { REG_RAX = 13 };
  37 #define REG_RAX REG_RAX
  38 enum { REG_RCX = 14 };
  39 #define REG_RCX REG_RCX
  40 enum { REG_RSP = 15 };
  41 #define REG_RSP REG_RSP
  42 enum { REG_RIP = 16 };
  43 #define REG_RIP REG_RIP
  44 enum { REG_EFL = 17 };
  45 #define REG_EFL REG_EFL
  46 enum { REG_CSGSFS = 18 };
  47 #define REG_CSGSFS REG_CSGSFS
  48 enum { REG_ERR = 19 };
  49 #define REG_ERR REG_ERR
  50 enum { REG_TRAPNO = 20 };
  51 #define REG_TRAPNO REG_TRAPNO
  52 enum { REG_OLDMASK = 21 };
  53 #define REG_OLDMASK REG_OLDMASK
  54 enum { REG_CR2 = 22 };
  55 #define REG_CR2 REG_CR2
  56 #endif
  57
  58 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  59 typedef long long greg_t, gregset_t[23];
  60 typedef struct _fpstate {
  61         unsigned short cwd, swd, ftw, fop;
  62         unsigned long long rip, rdp;
  63         unsigned mxcsr, mxcr_mask;
  64         struct {
  65                 unsigned short significand[4], exponent, padding[3];
  66         } _st[8];
  67         struct {
  68                 unsigned element[4];
  69         } _xmm[16];
  70         unsigned padding[24];
  71 } *fpregset_t;
  72 struct sigcontext {
  73         unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
  74         unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
  75         unsigned short cs, gs, fs, __pad0;
  76         unsigned long err, trapno, oldmask, cr2;
  77         struct _fpstate *fpstate;
  78         unsigned long __reserved1[8];
  79 };
  80 typedef struct {
  81         gregset_t gregs;
  82         fpregset_t fpregs;
  83         unsigned long long __reserved1[8];
  84 } mcontext_t;
  85 #else
  86 typedef struct {
  87         unsigned long __space[32];
  88 } mcontext_t;
  89 #endif
  90
  91 struct sigaltstack {
  92         void *ss_sp;
  93         int ss_flags;
  94         size_t ss_size;
  95 };
  96
  97 typedef struct __ucontext {
  98         unsigned long uc_flags;
  99         struct __ucontext *uc_link;
 100         stack_t uc_stack;
 101         mcontext_t uc_mcontext;
 102         sigset_t uc_sigmask;
 103         unsigned long __fpregs_mem[64];
 104 } ucontext_t;
 105
 106 #define SA_NOCLDSTOP  1
 107 #define SA_NOCLDWAIT  2
 108 #define SA_SIGINFO    4
 109 #define SA_ONSTACK    0x08000000
 110 #define SA_RESTART    0x10000000
 111 #define SA_NODEFER    0x40000000
 112 #define SA_RESETHAND  0x80000000
 113 #define SA_RESTORER   0x04000000
 114
 115 #endif
 116
 117 #define SIGHUP    1
 118 #define SIGINT    2
 119 #define SIGQUIT   3
 120 #define SIGILL    4
 121 #define SIGTRAP   5
 122 #define SIGABRT   6
 123 #define SIGIOT    SIGABRT
 124 #define SIGBUS    7
 125 #define SIGFPE    8
 126 #define SIGKILL   9
 127 #define SIGUSR1   10
 128 #define SIGSEGV   11
 129 #define SIGUSR2   12
 130 #define SIGPIPE   13
 131 #define SIGALRM   14
 132 #define SIGTERM   15
 133 #define SIGSTKFLT 16
 134 #define SIGCHLD   17
 135 #define SIGCONT   18
 136 #define SIGSTOP   19
 137 #define SIGTSTP   20
 138 #define SIGTTIN   21
 139 #define SIGTTOU   22
 140 #define SIGURG    23
 141 #define SIGXCPU   24
 142 #define SIGXFSZ   25
 143 #define SIGVTALRM 26
 144 #define SIGPROF   27
 145 #define SIGWINCH  28
 146 #define SIGIO     29
 147 #define SIGPOLL   29
 148 #define SIGPWR    30
 149 #define SIGSYS    31
 150 #define SIGUNUSED SIGSYS
 151
 152 #define _NSIG 65
 153