}
	call(cgoSymbolizer, noescape(unsafe.Pointer(arg)))
}

// cgoContextPCs gets the PC values from a cgo traceback.
func cgoContextPCs(ctxt uintptr, buf []uintptr) {
	if cgoTraceback == nil {
		return
	}
	call := cgocall
	if panicking.Load() > 0 || getg().m.curg != getg() {
		// We do not want to call into the scheduler when panicking
		// or when on the system stack.

	}
	return res
}

// Helpers for Go. Must be NOSPLIT, must only call NOSPLIT functions, and must not block.

//go:nosplit
func acquirem() *m {
	gp := getg()
	gp.m.locks++
	return gp.m
}

//go:nosplit
func releasem(mp *m) {
	gp := getg()
	mp.locks--
	if mp.locks == 0 && gp.preempt {
		// restore the preemption request in case we've cleared it in newstack
		gp.stackguard0 = stackPreempt
	}
}

	gp := getg()
	if gp.m.locks == 0 && gp.m.mallocing == 0 && gp != gp.m.g0 {
		throw("mspan.sweep: m is not locked")
	}

	s := sl.mspan
	if !preserve {
		// We'll release ownership of this span. Nil it out to
		// prevent the caller from accidentally using it.
		sl.mspan = nil
	}

	sweepgen := mheap_.sweepgen
	if state := s.state.get(); state != mSpanInUse || s.sweepgen != sweepgen-1 {

	// calls back into Go.
	c := &getg().m.winsyscall
	c.fn = fn
	c.n = uintptr(len(args))
	if c.n != 0 {
		c.args = uintptr(noescape(unsafe.Pointer(&args[0])))
	}
	cgocall(asmstdcallAddr, unsafe.Pointer(c))
	// cgocall may reschedule us on to a different M,
	// but it copies the return values into the new M's
	// so we can read them from there.
	c = &getg().m.winsyscall
	return c.r1, c.r2, c.err

            bundle('myBundle', ['foo', 'bar'])
            plugin('pl', 'org.plugin') version('1.2')
        }

        then:
        def libs = sources.compile()
        def foo = libs.foo.get()
        def bar = libs.bar.get()
        assert foo.module.group == 'g'
        assert foo.module.name == 'a'
        assert foo.versionConstraint.requiredVersion == 'v'

        assert bar.module.group == 'g2'

	pkg := objabi.PathToPrefix(lib.Pkg)

	eof := f.Offset() + length
	start := f.Offset()
	c1 := bgetc(f)
	c2 := bgetc(f)
	c3 := bgetc(f)
	c4 := bgetc(f)
	f.MustSeek(start, 0)

	unit := &sym.CompilationUnit{Lib: lib}
	lib.Units = append(lib.Units, unit)

	magic := uint32(c1)<<24 | uint32(c2)<<16 | uint32(c3)<<8 | uint32(c4)

				} else if size&1 == 0 {
					align = 2
				} else {
					align = 1
				}
			}
			return persistentalloc(size, align, &memstats.other_sys)
		}

		if inittrace.active && inittrace.id == getg().goid {
			// Init functions are executed sequentially in a single goroutine.
			inittrace.allocs += 1
		}
	}

	// assistG is the G to charge for this allocation, or nil if

	// buffer flushes are rare. Record the lock edge even if it doesn't happen
	// this time.
	lockRankMayTraceFlush()

	// Check if we're already locked. If so, return an invalid traceLocker.
	if getg().m.trace.seqlock.Load()%2 == 1 {
		return traceLocker{}
	}
	return traceAcquireEnabled()
}

// ok returns true if the traceLocker is valid (i.e. tracing is enabled).
//

// from nanotime that we can use (some platforms have a really coarse system time granularity).
// We require some amount of time to pass to ensure that the conversion rate is fairly accurate
// in aggregate. But because we compute this rate lazily, there's a pretty good chance a decent
// amount of time has passed by the time we get here.
//

type mSpanStateBox struct {
	s atomic.Uint8
}

// It is nosplit to match get, below.

//go:nosplit
func (b *mSpanStateBox) set(s mSpanState) {
	b.s.Store(uint8(s))
}

// It is nosplit because it's called indirectly by typedmemclr,
// which must not be preempted.

//go:nosplit
func (b *mSpanStateBox) get() mSpanState {
	return mSpanState(b.s.Load())
}