func (l *Loader) Pcsp(i Sym) Sym { return l.aux1(i, goobj.AuxPcsp) }

// Returns all aux symbols of per-PC data for symbol i.
// tmp is a scratch space for the pcdata slice.
func (l *Loader) PcdataAuxs(i Sym, tmp []Sym) (pcsp, pcfile, pcline, pcinline Sym, pcdata []Sym) {
	pcdata = tmp[:0]
	r, auxs := l.auxs(i)
	for j := range auxs {
		a := &auxs[j]
		switch a.Type() {
		case goobj.AuxPcsp:
			pcsp = l.resolve(r, a.Sym())

	MOVQ	SP, DI;				\
	REP;MOVSB;				\
	/* set up argument registers */		\
	MOVQ    regArgs+40(FP), R12;		\
	CALL    ·unspillArgs(SB);		\
	/* call function */			\
	MOVQ	f+8(FP), DX;			\
	PCDATA  $PCDATA_StackMapIndex, $0;	\
	MOVQ	(DX), R12;			\
	CALL	R12;				\
	/* copy register return values back */		\
	MOVQ    regArgs+40(FP), R12;		\
	CALL    ·spillArgs(SB);		\
	MOVLQZX	stackArgsSize+24(FP), CX;		\

//
// preprocess is called once per linker symbol.
//
// When preprocess finishes, all instructions in the symbol are either
// concrete, real RISC-V instructions or directive pseudo-ops like TEXT,
// PCDATA, and FUNCDATA.
func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
	if cursym.Func().Text == nil || cursym.Func().Text.Link == nil {
		return
	}

	// Generate the prologue.