#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MINSIGSTKSZ 6144
+#define SIGSTKSZ 12288
+#endif
+
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef unsigned long greg_t;
typedef unsigned long gregset_t[34];
unsigned int fpsr;
unsigned int fpcr;
} fpregset_t;
-typedef struct sigcontext
-{
+typedef struct sigcontext {
unsigned long fault_address;
unsigned long regs[31];
unsigned long sp, pc, pstate;
long double __reserved[256];
} mcontext_t;
+
+#define FPSIMD_MAGIC 0x46508001
+#define ESR_MAGIC 0x45535201
+#define EXTRA_MAGIC 0x45585401
+#define SVE_MAGIC 0x53564501
+struct _aarch64_ctx {
+ unsigned int magic;
+ unsigned int size;
+};
+struct fpsimd_context {
+ struct _aarch64_ctx head;
+ unsigned int fpsr;
+ unsigned int fpcr;
+ long double vregs[32];
+};
+struct esr_context {
+ struct _aarch64_ctx head;
+ unsigned long esr;
+};
+struct extra_context {
+ struct _aarch64_ctx head;
+ unsigned long datap;
+ unsigned int size;
+ unsigned int __reserved[3];
+};
+struct sve_context {
+ struct _aarch64_ctx head;
+ unsigned short vl;
+ unsigned short __reserved[3];
+};
+#define SVE_VQ_BYTES 16
+#define SVE_VQ_MIN 1
+#define SVE_VQ_MAX 512
+#define SVE_VL_MIN (SVE_VQ_MIN * SVE_VQ_BYTES)
+#define SVE_VL_MAX (SVE_VQ_MAX * SVE_VQ_BYTES)
+#define SVE_NUM_ZREGS 32
+#define SVE_NUM_PREGS 16
+#define sve_vl_valid(vl) \
+ ((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)
+#define sve_vq_from_vl(vl) ((vl) / SVE_VQ_BYTES)
+#define sve_vl_from_vq(vq) ((vq) * SVE_VQ_BYTES)
+#define SVE_SIG_ZREG_SIZE(vq) ((unsigned)(vq) * SVE_VQ_BYTES)
+#define SVE_SIG_PREG_SIZE(vq) ((unsigned)(vq) * (SVE_VQ_BYTES / 8))
+#define SVE_SIG_FFR_SIZE(vq) SVE_SIG_PREG_SIZE(vq)
+#define SVE_SIG_REGS_OFFSET \
+ ((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1)) \
+ / SVE_VQ_BYTES * SVE_VQ_BYTES)
+#define SVE_SIG_ZREGS_OFFSET SVE_SIG_REGS_OFFSET
+#define SVE_SIG_ZREG_OFFSET(vq, n) \
+ (SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
+#define SVE_SIG_ZREGS_SIZE(vq) \
+ (SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)
+#define SVE_SIG_PREGS_OFFSET(vq) \
+ (SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
+#define SVE_SIG_PREG_OFFSET(vq, n) \
+ (SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
+#define SVE_SIG_PREGS_SIZE(vq) \
+ (SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))
+#define SVE_SIG_FFR_OFFSET(vq) \
+ (SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))
+#define SVE_SIG_REGS_SIZE(vq) \
+ (SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)
+#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
#else
typedef struct {
long double __regs[18+256];
typedef struct __ucontext {
unsigned long uc_flags;
- struct ucontext *uc_link;
+ struct __ucontext *uc_link;
stack_t uc_stack;
sigset_t uc_sigmask;
mcontext_t uc_mcontext;