| // Copyright 2014 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package runtime |
| |
| import "unsafe" |
| |
| func setitimer(mode int32, new, old unsafe.Pointer) |
| func sigaction(sig int32, new, old unsafe.Pointer) |
| func sigaltstack(new, old unsafe.Pointer) |
| func sigprocmask(mode int32, new, old unsafe.Pointer) |
| func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32 |
| func getrlimit(kind int32, limit unsafe.Pointer) |
| func miniterrno(fn unsafe.Pointer) |
| func raise(sig int32) |
| func getcontext(ctxt unsafe.Pointer) |
| func tstart_sysvicall(mm unsafe.Pointer) uint32 |
| func nanotime1() int64 |
| func usleep1(usec uint32) |
| func osyield1() |
| func netpollinit() |
| func netpollopen(fd uintptr, pd *pollDesc) int32 |
| func netpollclose(fd uintptr) int32 |
| func netpollarm(pd *pollDesc, mode int) |
| |
| type libcFunc byte |
| |
| var asmsysvicall6 libcFunc |
| |
| //go:nosplit |
| func sysvicall0(fn *libcFunc) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 0 |
| // TODO(rsc): Why is noescape necessary here and below? |
| libcall.args = uintptr(noescape(unsafe.Pointer(&fn))) // it's unused but must be non-nil, otherwise crashes |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |
| |
| //go:nosplit |
| func sysvicall1(fn *libcFunc, a1 uintptr) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 1 |
| libcall.args = uintptr(noescape(unsafe.Pointer(&a1))) |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |
| |
| //go:nosplit |
| func sysvicall2(fn *libcFunc, a1, a2 uintptr) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 2 |
| libcall.args = uintptr(noescape(unsafe.Pointer(&a1))) |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |
| |
| //go:nosplit |
| func sysvicall3(fn *libcFunc, a1, a2, a3 uintptr) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 3 |
| libcall.args = uintptr(noescape(unsafe.Pointer(&a1))) |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |
| |
| //go:nosplit |
| func sysvicall4(fn *libcFunc, a1, a2, a3, a4 uintptr) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 4 |
| libcall.args = uintptr(noescape(unsafe.Pointer(&a1))) |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |
| |
| //go:nosplit |
| func sysvicall5(fn *libcFunc, a1, a2, a3, a4, a5 uintptr) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 5 |
| libcall.args = uintptr(noescape(unsafe.Pointer(&a1))) |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |
| |
| //go:nosplit |
| func sysvicall6(fn *libcFunc, a1, a2, a3, a4, a5, a6 uintptr) uintptr { |
| libcall := &getg().m.libcall |
| libcall.fn = uintptr(unsafe.Pointer(fn)) |
| libcall.n = 6 |
| libcall.args = uintptr(noescape(unsafe.Pointer(&a1))) |
| asmcgocall(unsafe.Pointer(&asmsysvicall6), unsafe.Pointer(libcall)) |
| return libcall.r1 |
| } |