return f.datap.textAddr(f.entryOff)
}

//go:linkname badFuncInfoEntry runtime.funcInfo.entry
func badFuncInfoEntry(funcInfo) uintptr

// findfunc looks up function metadata for a PC.
//
// It is nosplit because it's part of the isgoexception
// implementation.
//
// findfunc should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:

}

// asyncPreemptStack is the bytes of stack space required to inject an
// asyncPreempt call.
var asyncPreemptStack = ^uintptr(0)

func init() {
	f := findfunc(abi.FuncPCABI0(asyncPreempt))
	total := funcMaxSPDelta(f)
	f = findfunc(abi.FuncPCABIInternal(asyncPreempt2))
	total += funcMaxSPDelta(f)
	// Add some overhead for return PCs, etc.
	asyncPreemptStack = uintptr(total) + 8*goarch.PtrSize

				skip--
			} else if n < len(dst) {
				dst[n] = retPC
				n++
			}
			return n < len(dst)
		}
	)

outer:
	for _, retPC := range pcBuf[1:] {
		callPC := retPC - 1
		fi := findfunc(callPC)
		if !fi.valid() {
			// There is no funcInfo if callPC belongs to a C function. In this case
			// we still keep the pc, but don't attempt to expand inlined frames.
			if more := skipOrAdd(retPC); !more {

	// may try to read a stale LR that looks like a Go code
	// pointer and wander into the woods.
	if gp.m.incgo || findfunc(pc).valid() {
		// This wasn't a bad call, so use PC as sigpanic's
		// return PC.
		return true
	}
	if findfunc(lr).valid() {
		// This was a bad call, but the LR is good, so use the
		// LR as sigpanic's return PC.
		return false
	}

		// Update syscallsp, syscallpc in case traceback uses them.
		morebuf := thisg.m.morebuf
		gp.syscallsp = morebuf.sp
		gp.syscallpc = morebuf.pc
		pcname, pcoff := "(unknown)", uintptr(0)
		f := findfunc(gp.sched.pc)
		if f.valid() {
			pcname = funcname(f)
			pcoff = gp.sched.pc - f.entry()
		}
		print("runtime: newstack at ", pcname, "+", hex(pcoff),

// function again with that pc.)
//
// If the incoming pc is not part of an inlined function, the return pc is unchanged.
func raceSymbolizeCode(ctx *symbolizeCodeContext) {
	pc := ctx.pc
	fi := findfunc(pc)
	if fi.valid() {
		u, uf := newInlineUnwinder(fi, pc)
		for ; uf.valid(); uf = u.next(uf) {
			sf := u.srcFunc(uf)
			if sf.funcID == abi.FuncIDWrapper && u.isInlined(uf) {

	for _, r := range a.addrRanges.ranges {
		result = append(result, AddrRange{r})
	}
	return result
}

// FindSucc returns the successor to base. See addrRanges.findSucc
// for more details.
func (a *AddrRanges) FindSucc(base uintptr) int {
	return a.findSucc(base)
}

// Add adds a new AddrRange to the AddrRanges.
//
// The AddrRange must be mutable (i.e. created by NewAddrRanges),

	}
}

// function pointer variables

func callBridge(f C.intFunc) int {
	return int(C.bridge_int_func(f))
}

func callCBridge(f C.intFunc) C.int {
	return C.bridge_int_func(f)
}

func testFpVar(t *testing.T) {
	const expected = 42
	f := C.intFunc(C.fortytwo)
	res1 := C.bridge_int_func(f)
	if r1 := int(res1); r1 != expected {

received from Go. For example:

	package main

	// typedef int (*intFunc) ();
	//
	// int
	// bridge_int_func(intFunc f)
	// {
	//		return f();
	// }
	//
	// int fortytwo()
	// {
	//	    return 42;
	// }
	import "C"
	import "fmt"

	func main() {
		f := C.intFunc(C.fortytwo)
		fmt.Println(int(C.bridge_int_func(f)))
		// Output: 42
	}