fn = abi.FuncPCABI0(sigtramp)
	}
	sa.sa_sigaction = fn
	sigaction(i, &sa, nil)
}

//go:nosplit
//go:nowritebarrierrec
func setsigstack(i uint32) {
	throw("setsigstack")
}

//go:nosplit
//go:nowritebarrierrec
func getsig(i uint32) uintptr {
	var sa sigactiont
	sigaction(i, nil, &sa)
	return sa.sa_sigaction
}

// setSignalstackSP sets the ss_sp field of a stackt.

		fn = abi.FuncPCABI0(sigtramp)
	}
	sa.sa_sigaction = fn
	sigaction(i, &sa, nil)
}

//go:nosplit
//go:nowritebarrierrec
func setsigstack(i uint32) {
	throw("setsigstack")
}

//go:nosplit
//go:nowritebarrierrec
func getsig(i uint32) uintptr {
	var sa sigactiont
	sigaction(i, nil, &sa)
	return sa.sa_sigaction
}

// setSignalstackSP sets the ss_sp field of a stackt.

	*(*uintptr)(unsafe.Pointer(&s.ss_sp)) = sp
}

//go:nosplit
func (c *sigctxt) fixsigcode(sig uint32) {
}

// sysSigaction calls the rt_sigaction system call.
//
//go:nosplit
func sysSigaction(sig uint32, new, old *sigactiont) {
	if rt_sigaction(uintptr(sig), new, old, unsafe.Sizeof(sigactiont{}.sa_mask)) != 0 {
		// Workaround for bugs in QEMU user mode emulation.
		//

	SYS_CHROOT                  = 61
	SYS_USTAT                   = 62
	SYS_DUP2                    = 63
	SYS_GETPPID                 = 64
	SYS_GETPGRP                 = 65
	SYS_SETSID                  = 66
	SYS_SIGACTION               = 67
	SYS_SIGSUSPEND              = 72
	SYS_SIGPENDING              = 73
	SYS_SETHOSTNAME             = 74
	SYS_SETRLIMIT               = 75
	SYS_GETRUSAGE               = 77

	SYS_REMAP_FILE_PAGES        = 192
	SYS_EPOLL_CREATE            = 193
	SYS_EPOLL_CTL               = 194
	SYS_EPOLL_WAIT              = 195
	SYS_IOPRIO_SET              = 196
	SYS_GETPPID                 = 197
	SYS_SIGACTION               = 198
	SYS_SGETMASK                = 199
	SYS_SSETMASK                = 200
	SYS_SIGSUSPEND              = 201
	SYS_OLDLSTAT                = 202
	SYS_USELIB                  = 203

	SYS_USTAT                        = 62
	SYS_DUP2                         = 63
	SYS_GETPPID                      = 64
	SYS_GETPGRP                      = 65
	SYS_SETSID                       = 66
	SYS_SIGACTION                    = 67
	SYS_SETREUID                     = 70
	SYS_SETREGID                     = 71
	SYS_SIGSUSPEND                   = 72
	SYS_SIGPENDING                   = 73
	SYS_SETHOSTNAME                  = 74

	SYS_USTAT                        = 4062
	SYS_DUP2                         = 4063
	SYS_GETPPID                      = 4064
	SYS_GETPGRP                      = 4065
	SYS_SETSID                       = 4066
	SYS_SIGACTION                    = 4067
	SYS_SGETMASK                     = 4068
	SYS_SSETMASK                     = 4069
	SYS_SETREUID                     = 4070
	SYS_SETREGID                     = 4071

	SYS_USTAT                        = 4062
	SYS_DUP2                         = 4063
	SYS_GETPPID                      = 4064
	SYS_GETPGRP                      = 4065
	SYS_SETSID                       = 4066
	SYS_SIGACTION                    = 4067
	SYS_SGETMASK                     = 4068
	SYS_SSETMASK                     = 4069
	SYS_SETREUID                     = 4070
	SYS_SETREGID                     = 4071

	SYS_CHROOT                  = 61
	SYS_USTAT                   = 62
	SYS_DUP2                    = 63
	SYS_GETPPID                 = 64
	SYS_GETPGRP                 = 65
	SYS_SETSID                  = 66
	SYS_SIGACTION               = 67
	SYS_SGETMASK                = 68
	SYS_SSETMASK                = 69
	SYS_SETREUID                = 70
	SYS_SETREGID                = 71
	SYS_SIGSUSPEND              = 72

	SYS_CHROOT                  = 61
	SYS_USTAT                   = 62
	SYS_DUP2                    = 63
	SYS_GETPPID                 = 64
	SYS_GETPGRP                 = 65
	SYS_SETSID                  = 66
	SYS_SIGACTION               = 67
	SYS_SGETMASK                = 68
	SYS_SSETMASK                = 69
	SYS_SETREUID                = 70
	SYS_SETREGID                = 71
	SYS_SIGSUSPEND              = 72