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 {

	// 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.
	//

				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()
	}

		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