// direct reference of a function defined as ABI0. Otherwise it is a
// compile-time error.
//
// Implemented as a compile intrinsic.
func FuncPCABI0(f interface{}) uintptr

// FuncPCABIInternal returns the entry PC of the function f. If f is a
// direct reference of a function, it must be defined as ABIInternal.
// Otherwise it is a compile-time error. If f is not a direct reference

	// first fix the .pdata generation.
	sehf1pc := abi.FuncPCABIInternal(sehf1)
	var fnwithframe func()
	fnwithframe = func() {
		fnwithframe()
	}
	fnwithoutframe := func() {}
	tests := []struct {
		name     string
		pc       uintptr
		hasframe bool
	}{
		{"no frame func", abi.FuncPCABIInternal(sehf2), false},
		{"no func", sehf1pc - 1, false},
		{"func at entry", sehf1pc, true},

//go:build gccgo

package abi

import "unsafe"

func FuncPCABI0(f interface{}) uintptr {
	words := (*[2]unsafe.Pointer)(unsafe.Pointer(&f))
	return *(*uintptr)(unsafe.Pointer(words[1]))
}

func FuncPCABIInternal(f interface{}) uintptr {
	words := (*[2]unsafe.Pointer)(unsafe.Pointer(&f))
	return *(*uintptr)(unsafe.Pointer(words[1]))

		hdr := [1]uint64{p.lostExtra}
		lostStk := [2]uintptr{
			abi.FuncPCABIInternal(_LostExternalCode) + sys.PCQuantum,
			abi.FuncPCABIInternal(_ExternalCode) + sys.PCQuantum,
		}
		p.log.write(nil, 0, hdr[:], lostStk[:])
		p.lostExtra = 0
	}

	if p.lostAtomic > 0 {
		hdr := [1]uint64{p.lostAtomic}
		lostStk := [2]uintptr{
			abi.FuncPCABIInternal(_LostSIGPROFDuringAtomic64) + sys.PCQuantum,

	"internal/goarch"
	"unsafe"
)

func mapaccess1_fast64(t *maptype, h *hmap, key uint64) unsafe.Pointer {
	if raceenabled && h != nil {
		callerpc := getcallerpc()
		racereadpc(unsafe.Pointer(h), callerpc, abi.FuncPCABIInternal(mapaccess1_fast64))
	}
	if h == nil || h.count == 0 {
		return unsafe.Pointer(&zeroVal[0])
	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map read and map write")
	}
	var b *bmap
	if h.B == 0 {

	"internal/goarch"
	"unsafe"
)

func mapaccess1_fast32(t *maptype, h *hmap, key uint32) unsafe.Pointer {
	if raceenabled && h != nil {
		callerpc := getcallerpc()
		racereadpc(unsafe.Pointer(h), callerpc, abi.FuncPCABIInternal(mapaccess1_fast32))
	}
	if h == nil || h.count == 0 {
		return unsafe.Pointer(&zeroVal[0])
	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map read and map write")
	}
	var b *bmap
	if h.B == 0 {

			File:         exe,
			BuildID:      buildID,
			HasFunctions: true,
		}
	case "js", "wasip1":
		addr1 = uint64(abi.FuncPCABIInternal(f1))
		addr2 = uint64(abi.FuncPCABIInternal(f2))
	default:
		addr1 = uint64(abi.FuncPCABIInternal(f1))
		addr2 = uint64(abi.FuncPCABIInternal(f2))
		// Fake mapping - HasFunctions will be true because two PCs from Go
		// will be fully symbolized.

		c.set_link(uint64(pc))
	}

	// In case we are panicking from external C code
	c.set_r0(0)
	c.set_r30(uint64(uintptr(unsafe.Pointer(gp))))
	c.set_r12(uint64(abi.FuncPCABIInternal(sigpanic)))
	c.set_pc(uint64(abi.FuncPCABIInternal(sigpanic)))
}

func (c *sigctxt) pushCall(targetPC, resumePC uintptr) {
	// Push the LR to stack, as we'll clobber it in order to
	// push the call. The function being pushed is responsible

//go:nosplit
//go:nowritebarrierrec
func setsig(i uint32, fn uintptr) {
	var sa sigactiont
	sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
	sa.sa_mask = uint32(sigset_all)
	if fn == abi.FuncPCABIInternal(sighandler) { // abi.FuncPCABIInternal(sighandler) matches the callers in signal_unix.go
		fn = abi.FuncPCABI0(sigtramp)
	}
	sa.sa_sigaction = fn
	sigaction(i, &sa, nil)
}

//go:nosplit
//go:nowritebarrierrec

//go:nosplit
//go:nowritebarrierrec
func setsig(i uint32, fn uintptr) {
	var sa sigactiont
	sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
	sa.sa_mask = sigset_all
	if fn == abi.FuncPCABIInternal(sighandler) { // abi.FuncPCABIInternal(sighandler) matches the callers in signal_unix.go
		fn = uintptr(unsafe.Pointer(&sigtramp))
	}
	sa.sa_handler = fn
	sigaction(uintptr(i), &sa, nil)

}

//go:nosplit