p.errorf("TEXT %q: ABIInternal requires NOSPLIT", name)
	}

	// Next operand is the frame and arg size.
	// Bizarre syntax: $frameSize-argSize is two words, not subtraction.
	// Both frameSize and argSize must be simple integers; only frameSize
	// can be negative.
	// The "-argSize" may be missing; if so, set it to objabi.ArgsSizeUnknown.
	// Parse left to right.
	op := operands[next]
	if len(op) < 2 || op[0].ScanToken != '$' {

// no pointers to heap objects in its local stack variables.
#define NO_LOCAL_POINTERS	FUNCDATA $FUNCDATA_LocalsPointerMaps, no_pointers_stackmap(SB)

// ArgsSizeUnknown is set in Func.argsize to mark all functions
// whose argument size is unknown (C vararg functions, and
// assembly code without an explicit specification).
// This value is generated by the compiler, assembler, or linker.

		{name: "CALLtail", argLength: -1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},                                 // tail call static function aux.(*obj.LSym).  last arg=mem, auxint=argsize, returns mem

		{name: "CALLtail", argLength: 1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},                                 // tail call static function aux.(*obj.LSym).  arg0=mem, auxint=argsize, returns mem

		// of uinptrs this function consumes. Store the argsize and discard
		// the %n suffix if any.
		m.argsize = -1
		extName := ldr.SymExtname(s)
		if i := strings.IndexByte(extName, '%'); i >= 0 {
			var err error
			m.argsize, err = strconv.Atoi(extName[i+1:])
			if err != nil {
				ctxt.Errorf(s, "failed to parse stdcall decoration: %v", err)
			}
			m.argsize *= ctxt.Arch.PtrSize

	FuncID_runtime_main
	FuncID_sigpanic
	FuncID_systemstack
	FuncID_systemstack_switch
	FuncIDWrapper // any autogenerated code (hash/eq algorithms, method wrappers, etc.)
)

// ArgsSizeUnknown is set in Func.argsize to mark all functions
// whose argument size is unknown (C vararg functions, and
// assembly code without an explicit specification).
// This value is generated by the compiler, assembler, or linker.

		{name: "CALLtail", argLength: -1, reg: call, aux: "CallOff", call: true, tailCall: true}, // tail call static function aux.(*gc.Sym). last arg=mem, auxint=argsize, returns mem
		{name: "CALLclosure", argLength: -1, reg: callClosure, aux: "CallOff", call: true},       // call function via closure. arg0=codeptr, arg1=closure, last arg=mem, auxint=argsize, returns mem

		{name: "CALLtail", argLength: 1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},                                 //  tail call static function aux.(*obj.LSym).  arg0=mem, auxint=argsize, returns mem

				break
			}
		}

		lines := strings.SplitAfter(string(content), "\n")
		var (
			fn                 *asmFunc
			fnName             string
			abi                string
			localSize, argSize int
			wroteSP            bool
			noframe            bool
			haveRetArg         bool
			retLine            []int
		)

		flushRet := func() {

		{name: "CALLtail", argLength: 1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true, tailCall: true},                                // tail call static function aux.(*obj.LSym).  arg0=mem, auxint=argsize, returns mem