master
  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 6144
  6#define SIGSTKSZ 12288
  7#endif
  8
  9#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 10typedef unsigned long greg_t;
 11typedef unsigned long gregset_t[34];
 12
 13typedef struct {
 14	__uint128_t vregs[32];
 15	unsigned int fpsr;
 16	unsigned int fpcr;
 17} fpregset_t;
 18typedef struct sigcontext {
 19	unsigned long fault_address;
 20	unsigned long regs[31];
 21	unsigned long sp, pc, pstate;
 22	long double __reserved[256];
 23} mcontext_t;
 24
 25#define FPSIMD_MAGIC 0x46508001
 26#define ESR_MAGIC 0x45535201
 27#define EXTRA_MAGIC 0x45585401
 28#define SVE_MAGIC 0x53564501
 29struct _aarch64_ctx {
 30	unsigned int magic;
 31	unsigned int size;
 32};
 33struct fpsimd_context {
 34	struct _aarch64_ctx head;
 35	unsigned int fpsr;
 36	unsigned int fpcr;
 37	__uint128_t vregs[32];
 38};
 39struct esr_context {
 40	struct _aarch64_ctx head;
 41	unsigned long esr;
 42};
 43struct extra_context {
 44	struct _aarch64_ctx head;
 45	unsigned long datap;
 46	unsigned int size;
 47	unsigned int __reserved[3];
 48};
 49struct sve_context {
 50	struct _aarch64_ctx head;
 51	unsigned short vl;
 52	unsigned short __reserved[3];
 53};
 54#define SVE_VQ_BYTES		16
 55#define SVE_VQ_MIN		1
 56#define SVE_VQ_MAX		512
 57#define SVE_VL_MIN		(SVE_VQ_MIN * SVE_VQ_BYTES)
 58#define SVE_VL_MAX		(SVE_VQ_MAX * SVE_VQ_BYTES)
 59#define SVE_NUM_ZREGS		32
 60#define SVE_NUM_PREGS		16
 61#define sve_vl_valid(vl) \
 62	((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)
 63#define sve_vq_from_vl(vl)	((vl) / SVE_VQ_BYTES)
 64#define sve_vl_from_vq(vq)	((vq) * SVE_VQ_BYTES)
 65#define SVE_SIG_ZREG_SIZE(vq)	((unsigned)(vq) * SVE_VQ_BYTES)
 66#define SVE_SIG_PREG_SIZE(vq)	((unsigned)(vq) * (SVE_VQ_BYTES / 8))
 67#define SVE_SIG_FFR_SIZE(vq)	SVE_SIG_PREG_SIZE(vq)
 68#define SVE_SIG_REGS_OFFSET					\
 69	((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1))	\
 70		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
 71#define SVE_SIG_ZREGS_OFFSET	SVE_SIG_REGS_OFFSET
 72#define SVE_SIG_ZREG_OFFSET(vq, n) \
 73	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
 74#define SVE_SIG_ZREGS_SIZE(vq) \
 75	(SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)
 76#define SVE_SIG_PREGS_OFFSET(vq) \
 77	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
 78#define SVE_SIG_PREG_OFFSET(vq, n) \
 79	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
 80#define SVE_SIG_PREGS_SIZE(vq) \
 81	(SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))
 82#define SVE_SIG_FFR_OFFSET(vq) \
 83	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))
 84#define SVE_SIG_REGS_SIZE(vq) \
 85	(SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)
 86#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
 87#else
 88typedef struct {
 89	long double __regs[18+256];
 90} mcontext_t;
 91#endif
 92
 93struct sigaltstack {
 94	void *ss_sp;
 95	int ss_flags;
 96	size_t ss_size;
 97};
 98
 99typedef struct __ucontext {
100	unsigned long uc_flags;
101	struct __ucontext *uc_link;
102	stack_t uc_stack;
103	sigset_t uc_sigmask;
104	mcontext_t uc_mcontext;
105} ucontext_t;
106
107#define SA_NOCLDSTOP  1
108#define SA_NOCLDWAIT  2
109#define SA_SIGINFO    4
110#define SA_ONSTACK    0x08000000
111#define SA_RESTART    0x10000000
112#define SA_NODEFER    0x40000000
113#define SA_RESETHAND  0x80000000
114#define SA_RESTORER   0x04000000
115
116#endif
117
118#define SIGHUP    1
119#define SIGINT    2
120#define SIGQUIT   3
121#define SIGILL    4
122#define SIGTRAP   5
123#define SIGABRT   6
124#define SIGIOT    SIGABRT
125#define SIGBUS    7
126#define SIGFPE    8
127#define SIGKILL   9
128#define SIGUSR1   10
129#define SIGSEGV   11
130#define SIGUSR2   12
131#define SIGPIPE   13
132#define SIGALRM   14
133#define SIGTERM   15
134#define SIGSTKFLT 16
135#define SIGCHLD   17
136#define SIGCONT   18
137#define SIGSTOP   19
138#define SIGTSTP   20
139#define SIGTTIN   21
140#define SIGTTOU   22
141#define SIGURG    23
142#define SIGXCPU   24
143#define SIGXFSZ   25
144#define SIGVTALRM 26
145#define SIGPROF   27
146#define SIGWINCH  28
147#define SIGIO     29
148#define SIGPOLL   29
149#define SIGPWR    30
150#define SIGSYS    31
151#define SIGUNUSED SIGSYS
152
153#define _NSIG 65