mirror of
git://git.musl-libc.org/musl
synced 2025-01-10 08:39:56 +00:00
c2518a8efb
this is to match the kernel and glibc interfaces. here, struct pt_regs is an incomplete type, but that's harmless, and if it's completed by inclusion of another header then members of the struct pointed to by the regs member can be accessed directly without going through a cast or intermediate pointer object.
120 lines
2.2 KiB
C
120 lines
2.2 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 4096
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#define SIGSTKSZ 10240
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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, gregset_t[48];
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typedef struct {
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double fpregs[32];
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double fpscr;
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unsigned _pad[2];
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} fpregset_t;
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typedef struct {
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unsigned vrregs[32][4];
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unsigned vrsave;
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unsigned _pad[2];
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unsigned vscr;
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} vrregset_t;
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struct sigcontext {
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unsigned long _unused[4];
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int signal;
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unsigned long handler;
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unsigned long oldmask;
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struct pt_regs *regs;
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};
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typedef struct {
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gregset_t gregs;
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fpregset_t fpregs;
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vrregset_t vrregs
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#ifdef __GNUC__
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__attribute__((__aligned__(16)))
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#endif
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;
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} mcontext_t;
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#else
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typedef struct {
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long __regs[48+68+4*32+4]
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#ifdef __GNUC__
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__attribute__((__aligned__(16)))
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#endif
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;
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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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int uc_pad[7];
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mcontext_t *uc_regs;
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sigset_t uc_sigmask;
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int uc_pad2[3];
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mcontext_t uc_mcontext;
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} ucontext_t;
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#define SA_NOCLDSTOP 1U
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#define SA_NOCLDWAIT 2U
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#define SA_SIGINFO 4U
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#define SA_ONSTACK 0x08000000U
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#define SA_RESTART 0x10000000U
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#define SA_NODEFER 0x40000000U
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#define SA_RESETHAND 0x80000000U
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#define SA_RESTORER 0x04000000U
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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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