mirror of
git://git.musl-libc.org/musl
synced 2024-12-19 21:30:58 +00:00
9bed82df30
signal context definitions for scalable vector extension new in commit d0b8cd3187889476144bd9b13bf36a932c3e7952
154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#define MINSIGSTKSZ 6144
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#define SIGSTKSZ 12288
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#endif
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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typedef unsigned long greg_t;
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typedef unsigned long gregset_t[34];
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typedef struct {
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long double vregs[32];
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unsigned int fpsr;
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unsigned int fpcr;
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} fpregset_t;
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typedef struct sigcontext {
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unsigned long fault_address;
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unsigned long regs[31];
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unsigned long sp, pc, pstate;
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long double __reserved[256];
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} mcontext_t;
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#define FPSIMD_MAGIC 0x46508001
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#define ESR_MAGIC 0x45535201
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#define EXTRA_MAGIC 0x45585401
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#define SVE_MAGIC 0x53564501
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struct _aarch64_ctx {
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unsigned int magic;
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unsigned int size;
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};
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struct fpsimd_context {
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struct _aarch64_ctx head;
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unsigned int fpsr;
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unsigned int fpcr;
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long double vregs[32];
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};
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struct esr_context {
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struct _aarch64_ctx head;
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unsigned long esr;
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};
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struct extra_context {
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struct _aarch64_ctx head;
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unsigned long datap;
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unsigned int size;
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unsigned int __reserved[3];
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};
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struct sve_context {
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struct _aarch64_ctx head;
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unsigned short vl;
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unsigned short __reserved[3];
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};
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#define SVE_VQ_BYTES 16
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#define SVE_VQ_MIN 1
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#define SVE_VQ_MAX 512
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#define SVE_VL_MIN (SVE_VQ_MIN * SVE_VQ_BYTES)
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#define SVE_VL_MAX (SVE_VQ_MAX * SVE_VQ_BYTES)
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#define SVE_NUM_ZREGS 32
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#define SVE_NUM_PREGS 16
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#define sve_vl_valid(vl) \
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((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)
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#define sve_vq_from_vl(vl) ((vl) / SVE_VQ_BYTES)
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#define sve_vl_from_vq(vq) ((vq) * SVE_VQ_BYTES)
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#define SVE_SIG_ZREG_SIZE(vq) ((unsigned)(vq) * SVE_VQ_BYTES)
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#define SVE_SIG_PREG_SIZE(vq) ((unsigned)(vq) * (SVE_VQ_BYTES / 8))
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#define SVE_SIG_FFR_SIZE(vq) SVE_SIG_PREG_SIZE(vq)
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#define SVE_SIG_REGS_OFFSET \
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((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1)) \
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/ SVE_VQ_BYTES * SVE_VQ_BYTES)
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#define SVE_SIG_ZREGS_OFFSET SVE_SIG_REGS_OFFSET
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#define SVE_SIG_ZREG_OFFSET(vq, n) \
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(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
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#define SVE_SIG_ZREGS_SIZE(vq) \
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(SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)
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#define SVE_SIG_PREGS_OFFSET(vq) \
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(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
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#define SVE_SIG_PREG_OFFSET(vq, n) \
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(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
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#define SVE_SIG_PREGS_SIZE(vq) \
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(SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))
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#define SVE_SIG_FFR_OFFSET(vq) \
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(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))
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#define SVE_SIG_REGS_SIZE(vq) \
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(SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)
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#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
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#else
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typedef struct {
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long double __regs[18+256];
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} mcontext_t;
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#endif
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struct sigaltstack {
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void *ss_sp;
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int ss_flags;
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size_t ss_size;
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};
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typedef struct __ucontext {
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unsigned long uc_flags;
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struct __ucontext *uc_link;
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stack_t uc_stack;
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sigset_t uc_sigmask;
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mcontext_t uc_mcontext;
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} ucontext_t;
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#define SA_NOCLDSTOP 1
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#define SA_NOCLDWAIT 2
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#define SA_SIGINFO 4
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_RESTORER 0x04000000
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#endif
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT SIGABRT
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL 29
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGUNUSED SIGSYS
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#define _NSIG 65
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