// Code generated by mkconsts.go. DO NOT EDIT.

//go:build !goexperiment.regabiwrappers

package goexperiment

const RegabiWrappers = false

// Code generated by mkconsts.go. DO NOT EDIT.

//go:build goexperiment.regabiwrappers

package goexperiment

const RegabiWrappers = true

			set(val)
		}
	}

	if regabiAlwaysOn {
		flags.RegabiWrappers = true
		flags.RegabiArgs = true
	}
	// regabi is only supported on amd64, arm64, loong64, riscv64, ppc64 and ppc64le.
	if !regabiSupported {
		flags.RegabiWrappers = false
		flags.RegabiArgs = false
	}
	// Check regabi dependencies.
	if flags.RegabiArgs && !flags.RegabiWrappers {

)

func ABIToVersion(abi obj.ABI) int {
	switch abi {
	case obj.ABI0:
		return SymVerABI0
	case obj.ABIInternal:
		if !buildcfg.Experiment.RegabiWrappers {
			// If wrappers are not enabled, ABI0 and ABIInternal are actually same
			// so we normalize everything to ABI0.
			return SymVerABI0
		}
		return SymVerABIInternal
	}
	return -1
}

	// The "regabi" GOEXPERIMENT is an alias for all "working"
	// subexperiments.

	// RegabiWrappers enables ABI wrappers for calling between
	// ABI0 and ABIInternal functions. Without this, the ABIs are
	// assumed to be identical so cross-ABI calls are direct.
	RegabiWrappers bool
	// RegabiArgs enables register arguments/results in all
	// compiled Go functions.
	//

// given name and abi, or -1 if it is not a builtin.
func BuiltinIdx(name string, abi int) int {
	i, ok := builtinMap[name]
	if !ok {
		return -1
	}
	if buildcfg.Experiment.RegabiWrappers && builtins[i].abi != abi {
		return -1
	}
	return i
}

//go:generate go run mkbuiltin.go

var builtinMap map[string]int

func init() {
	builtinMap = make(map[string]int, len(builtins))

				s.refs[sym] |= obj.ABISetOf(abi)
			}
		default:
			log.Fatalf(`%s:%d: invalid symabi type "%s"`, file, lineNum, parts[0])
		}
	}
}

// GenABIWrappers applies ABI information to Funcs and generates ABI
// wrapper functions where necessary.
func (s *SymABIs) GenABIWrappers() {
	// For cgo exported symbols, we tell the linker to export the
	// definition ABI to C. That also means that we don't want to

		if ctxt.IsDarwin() && ctxt.BuildMode == BuildModeCShared {
			*FlagW = true // default to -w in c-shared mode on darwin, see #61229
		}
	}

	if !buildcfg.Experiment.RegabiWrappers {
		abiInternalVer = 0
	}

	startProfile()
	if ctxt.BuildMode == BuildModeUnset {
		ctxt.BuildMode.Set("exe")
	}

	if ctxt.BuildMode != BuildModeShared && flag.NArg() != 1 {
		usage()
	}

	//
	// TODO: avoid the ldr.Lookup calls below by instead using an aux
	// sym or marker relocation to associate the wrapper with the
	// wrapped function.
	if !buildcfg.Experiment.RegabiWrappers {
		return name
	}

	if ldr.SymType(x) == sym.STEXT && ldr.SymVersion(x) != sym.SymVerABIInternal && ldr.SymVersion(x) < sym.SymVerStatic {

		ver := 0
		symname := elfsym.Name // (unmangled) symbol name
		if elf.ST_TYPE(elfsym.Info) == elf.STT_FUNC && strings.HasPrefix(elfsym.Name, "type:") {
			ver = abiInternalVer
		} else if buildcfg.Experiment.RegabiWrappers && elf.ST_TYPE(elfsym.Info) == elf.STT_FUNC {
			// Demangle the ABI name. Keep in sync with symtab.go:mangleABIName.
			if strings.HasSuffix(elfsym.Name, ".abiinternal") {
				ver = sym.SymVerABIInternal