lib/nolibc: Import architecture signal definitions from musl

Source of import:
Repository: https://git.musl-libc.org/cgit/musl
Tag: v1.2.4 (f5f55d65)
Path: musl/arch/[aarch64,x86_64]/bits/signal.h

Checkpatch-Ignore: LOGICAL_CONTINUATIONS
Checkpatch-Ignore: MACRO_ARG_REUSE
Checkpatch-Ignore: UNSPECIFIED_INT
Checkpatch-Ignore: LEADING_SPACE
Checkpatch-Ignore: LINE_SPACING
Checkpatch-Ignore: BIT_MACRO
Checkpatch-Ignore: SPACING
Signed-off-by: Michalis Pappas <michalis@unikraft.io>
Approved-by: Andrei Tatar <andrei@unikraft.io>
Reviewed-by: Andrei Tatar <andrei@unikraft.io>
GitHub-Closes: #1244

diff --git a/lib/nolibc/musl-imported/arch/arm64/bits/signal.h b/lib/nolibc/musl-imported/arch/arm64/bits/signal.h
new file mode 100644 (file)
index 0000000..5098c73
--- /dev/null
+++ b/lib/nolibc/musl-imported/arch/arm64/bits/signal.h
@@ -0,0 +1,153 @@
+#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];
+
+typedef struct {
+       __uint128_t vregs[32];
+       unsigned int fpsr;
+       unsigned int fpcr;
+} fpregset_t;
+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;
+       __uint128_t 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];
+} mcontext_t;
+#endif
+
+struct sigaltstack {
+       void *ss_sp;
+       int ss_flags;
+       size_t ss_size;
+};
+
+typedef struct __ucontext {
+       unsigned long uc_flags;
+       struct __ucontext *uc_link;
+       stack_t uc_stack;
+       sigset_t uc_sigmask;
+       mcontext_t uc_mcontext;
+} ucontext_t;
+
+#define SA_NOCLDSTOP  1
+#define SA_NOCLDWAIT  2
+#define SA_SIGINFO    4
+#define SA_ONSTACK    0x08000000
+#define SA_RESTART    0x10000000
+#define SA_NODEFER    0x40000000
+#define SA_RESETHAND  0x80000000
+#define SA_RESTORER   0x04000000
+
+#endif
+
+#define SIGHUP    1
+#define SIGINT    2
+#define SIGQUIT   3
+#define SIGILL    4
+#define SIGTRAP   5
+#define SIGABRT   6
+#define SIGIOT    SIGABRT
+#define SIGBUS    7
+#define SIGFPE    8
+#define SIGKILL   9
+#define SIGUSR1   10
+#define SIGSEGV   11
+#define SIGUSR2   12
+#define SIGPIPE   13
+#define SIGALRM   14
+#define SIGTERM   15
+#define SIGSTKFLT 16
+#define SIGCHLD   17
+#define SIGCONT   18
+#define SIGSTOP   19
+#define SIGTSTP   20
+#define SIGTTIN   21
+#define SIGTTOU   22
+#define SIGURG    23
+#define SIGXCPU   24
+#define SIGXFSZ   25
+#define SIGVTALRM 26
+#define SIGPROF   27
+#define SIGWINCH  28
+#define SIGIO     29
+#define SIGPOLL   29
+#define SIGPWR    30
+#define SIGSYS    31
+#define SIGUNUSED SIGSYS
+
+#define _NSIG 65

diff --git a/lib/nolibc/musl-imported/arch/x86_64/bits/signal.h b/lib/nolibc/musl-imported/arch/x86_64/bits/signal.h
new file mode 100644 (file)
index 0000000..c99317d
--- /dev/null
+++ b/lib/nolibc/musl-imported/arch/x86_64/bits/signal.h
@@ -0,0 +1,153 @@
+#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 2048
+#define SIGSTKSZ 8192
+#endif
+
+#ifdef _GNU_SOURCE
+enum { REG_R8 = 0 };
+#define REG_R8 REG_R8
+enum { REG_R9 = 1 };
+#define REG_R9 REG_R9
+enum { REG_R10 = 2 };
+#define REG_R10 REG_R10
+enum { REG_R11 = 3 };
+#define REG_R11 REG_R11
+enum { REG_R12 = 4 };
+#define REG_R12 REG_R12
+enum { REG_R13 = 5 };
+#define REG_R13 REG_R13
+enum { REG_R14 = 6 };
+#define REG_R14 REG_R14
+enum { REG_R15 = 7 };
+#define REG_R15 REG_R15
+enum { REG_RDI = 8 };
+#define REG_RDI REG_RDI
+enum { REG_RSI = 9 };
+#define REG_RSI REG_RSI
+enum { REG_RBP = 10 };
+#define REG_RBP REG_RBP
+enum { REG_RBX = 11 };
+#define REG_RBX REG_RBX
+enum { REG_RDX = 12 };
+#define REG_RDX REG_RDX
+enum { REG_RAX = 13 };
+#define REG_RAX REG_RAX
+enum { REG_RCX = 14 };
+#define REG_RCX REG_RCX
+enum { REG_RSP = 15 };
+#define REG_RSP REG_RSP
+enum { REG_RIP = 16 };
+#define REG_RIP REG_RIP
+enum { REG_EFL = 17 };
+#define REG_EFL REG_EFL
+enum { REG_CSGSFS = 18 };
+#define REG_CSGSFS REG_CSGSFS
+enum { REG_ERR = 19 };
+#define REG_ERR REG_ERR
+enum { REG_TRAPNO = 20 };
+#define REG_TRAPNO REG_TRAPNO
+enum { REG_OLDMASK = 21 };
+#define REG_OLDMASK REG_OLDMASK
+enum { REG_CR2 = 22 };
+#define REG_CR2 REG_CR2
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+typedef long long greg_t, gregset_t[23];
+typedef struct _fpstate {
+       unsigned short cwd, swd, ftw, fop;
+       unsigned long long rip, rdp;
+       unsigned mxcsr, mxcr_mask;
+       struct {
+               unsigned short significand[4], exponent, padding[3];
+       } _st[8];
+       struct {
+               unsigned element[4];
+       } _xmm[16];
+       unsigned padding[24];
+} *fpregset_t;
+struct sigcontext {
+       unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
+       unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
+       unsigned short cs, gs, fs, __pad0;
+       unsigned long err, trapno, oldmask, cr2;
+       struct _fpstate *fpstate;
+       unsigned long __reserved1[8];
+};
+typedef struct {
+       gregset_t gregs;
+       fpregset_t fpregs;
+       unsigned long long __reserved1[8];
+} mcontext_t;
+#else
+typedef struct {
+       unsigned long __space[32];
+} mcontext_t;
+#endif
+
+struct sigaltstack {
+       void *ss_sp;
+       int ss_flags;
+       size_t ss_size;
+};
+
+typedef struct __ucontext {
+       unsigned long uc_flags;
+       struct __ucontext *uc_link;
+       stack_t uc_stack;
+       mcontext_t uc_mcontext;
+       sigset_t uc_sigmask;
+       unsigned long __fpregs_mem[64];
+} ucontext_t;
+
+#define SA_NOCLDSTOP  1
+#define SA_NOCLDWAIT  2
+#define SA_SIGINFO    4
+#define SA_ONSTACK    0x08000000
+#define SA_RESTART    0x10000000
+#define SA_NODEFER    0x40000000
+#define SA_RESETHAND  0x80000000
+#define SA_RESTORER   0x04000000
+
+#endif
+
+#define SIGHUP    1
+#define SIGINT    2
+#define SIGQUIT   3
+#define SIGILL    4
+#define SIGTRAP   5
+#define SIGABRT   6
+#define SIGIOT    SIGABRT
+#define SIGBUS    7
+#define SIGFPE    8
+#define SIGKILL   9
+#define SIGUSR1   10
+#define SIGSEGV   11
+#define SIGUSR2   12
+#define SIGPIPE   13
+#define SIGALRM   14
+#define SIGTERM   15
+#define SIGSTKFLT 16
+#define SIGCHLD   17
+#define SIGCONT   18
+#define SIGSTOP   19
+#define SIGTSTP   20
+#define SIGTTIN   21
+#define SIGTTOU   22
+#define SIGURG    23
+#define SIGXCPU   24
+#define SIGXFSZ   25
+#define SIGVTALRM 26
+#define SIGPROF   27
+#define SIGWINCH  28
+#define SIGIO     29
+#define SIGPOLL   29
+#define SIGPWR    30
+#define SIGSYS    31
+#define SIGUNUSED SIGSYS
+
+#define _NSIG 65
+