Re: [Minios-devel] [UNIKRAFT/NEWLIB PATCH 1/4] bits/signal.h: Import from musl

[Costin Lupu <costin.lup@xxxxxxxxx>]

Reviewed-by: Costin Lupu <costin.lupu@xxxxxxxxx>

On 9/4/19 1:25 PM, Charalampos Mainas wrote:
> Copied as is from the official musl git mirror
> git://git.musl-libc.org/musl, commit 6fcb440d.
> 
> Signed-off-by: Charalampos Mainas <Charalampos.Mainas@xxxxxxxxx>
> ---
>  musl-imported/arch/x86_64/bits/signal.h | 124 ++++++++++++++++++++++++
>  1 file changed, 124 insertions(+)
>  create mode 100644 musl-imported/arch/x86_64/bits/signal.h
> 
> diff --git a/musl-imported/arch/x86_64/bits/signal.h 
> b/musl-imported/arch/x86_64/bits/signal.h
> new file mode 100644
> index 0000000..20cbf4a
> --- /dev/null
> +++ b/musl-imported/arch/x86_64/bits/signal.h
> @@ -0,0 +1,124 @@
> +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
> + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
> +
> +#ifdef _GNU_SOURCE
> +#define REG_R8          0
> +#define REG_R9          1
> +#define REG_R10         2
> +#define REG_R11         3
> +#define REG_R12         4
> +#define REG_R13         5
> +#define REG_R14         6
> +#define REG_R15         7
> +#define REG_RDI         8
> +#define REG_RSI         9
> +#define REG_RBP         10
> +#define REG_RBX         11
> +#define REG_RDX         12
> +#define REG_RAX         13
> +#define REG_RCX         14
> +#define REG_RSP         15
> +#define REG_RIP         16
> +#define REG_EFL         17
> +#define REG_CSGSFS      18
> +#define REG_ERR         19
> +#define REG_TRAPNO      20
> +#define REG_OLDMASK     21
> +#define REG_CR2         22
> +#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
> 

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