print("a binary compiled for VFPv3 hard floating point. Recompile adding ,softfloat\n")
		print("to GOARM or changing GOARM to 6.\n")
		exit(1)
	}

	// osinit not called yet, so ncpu not set: must use getncpu directly.
	if getncpu() > 1 && goarm < 7 {
		print("runtime: this system has multiple CPUs and must use\n")
		print("atomic synchronization instructions. Recompile using GOARM=7.\n")

//
//go:noescape
func write1(fd uintptr, p unsafe.Pointer, n int32) int32

//go:noescape
func open(name *byte, mode, perm int32) int32

// return value is only set on linux to be used in osinit().
func madvise(addr unsafe.Pointer, n uintptr, flags int32) int32

// exitThread terminates the current thread, writing *wait = freeMStack when
// the stack is safe to reclaim.
//
//go:noescape

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import (
	"internal/runtime/atomic"
	"unsafe"
)

func osinit() {
	// https://webassembly.github.io/spec/core/exec/runtime.html#memory-instances
	physPageSize = 64 * 1024
	initBloc()
	ncpu = 1
	getg().m.procid = 2
}

const _SIGSEGV = 0xb

func sigpanic() {

  CreateLoop(LessThanTenCond, AddOneBody);

  // Verify some output invariants
  WhileContext* while_ctx;
  for (int i = 0; i < outputs_.size(); ++i) {
    Node* node = outputs_[i].node();
    ASSERT_TRUE(node->IsExit()) << "Output node " << i << ":\n"
                                << node->DebugString();
    ASSERT_TRUE(node->while_ctx() != nullptr) << i;
    if (i == 0) {
      while_ctx = node->while_ctx();

		// semawakeup can be called on signal stack.
		systemstack(func() {
			print("thrwakeup addr=", &mp.waitsemacount, " sem=", mp.waitsemacount, " ret=", ret, "\n")
		})
	}
}

func osinit() {
	ncpu = getncpu()
	physPageSize = getPageSize()
}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)

			continue
		}
		throw("sem_wait")
	}
	return 0
}

//go:nosplit
func semawakeup(mp *m) {
	if sem_post((*semt)(unsafe.Pointer(mp.waitsema))) != 0 {
		throw("sem_post")
	}
}

func osinit() {
	// Call miniterrno so that we can safely make system calls
	// before calling minit on m0.
	miniterrno()

	ncpu = int32(sysconf(__SC_NPROCESSORS_ONLN))
	physPageSize = sysconf(__SC_PAGE_SIZE)
}

      frame_id = cycles->NewNode();
    }
    return frame_id;
  };

  for (Edge const* edge : graph->edges()) {
    if (edge->dst()->IsEnter() || edge->src()->IsExit()) {
      const char* src_type = "pre-enter";
      const char* dst_type = "post-exit";
      int src = edge->src()->id();
      int dst = edge->dst()->id();

      if (edge->dst()->IsEnter()) {

		tid2:       nil,
	}

	// TODO: Check for error.
	retryOnEAGAIN(func() int32 {
		lwp_create(&params)
		return 0
	})
	sigprocmask(_SIG_SETMASK, &oset, nil)
}

func osinit() {
	ncpu = getncpu()
	if physPageSize == 0 {
		physPageSize = getPageSize()
	}
}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {

  // TODO(skyewm): handle NoGradient in while loop
  if (summed_grads == NoGradient()) {
    return errors::Unimplemented(
        "Missing gradient into while loop not yet implemented");
  }

  DCHECK(exit_node->IsExit());
  WhileContext* while_ctx = exit_node->while_ctx();
  DCHECK(while_ctx != nullptr);

  // Record 'summed_grads' as the backprop input associated with 'exit_node'

// At this point all signals are blocked, so there is no race.
//
//go:nosplit
func netbsdMstart0() {
	st := stackt{ss_flags: _SS_DISABLE}
	sigaltstack(&st, nil)
	mstart0()
}

func osinit() {
	ncpu = getncpu()
	if physPageSize == 0 {
		physPageSize = getPageSize()
	}
	needSysmonWorkaround = getOSRev() < 902000000 // NetBSD 9.2
}

var urandom_dev = []byte("/dev/urandom\x00")