go/src/cmd/internal/obj/plist.go

type Plist …

type ProgAlloc …

func Flushplist(ctxt *Link, plist *Plist, newprog ProgAlloc) { … }

func (ctxt *Link) InitTextSym(s *LSym, flag int, start src.XPos) { … }

func (ctxt *Link) toFuncFlag(flag int) abi.FuncFlag { … }

func (ctxt *Link) Globl(s *LSym, size int64, flag int) { … }

func (ctxt *Link) GloblPos(s *LSym, size int64, flag int, pos src.XPos) { … }

// EmitEntryLiveness generates PCDATA Progs after p to switch to the
// liveness map active at the entry of function s. It returns the last
// Prog generated.
func (ctxt *Link) EmitEntryLiveness(s *LSym, p *Prog, newprog ProgAlloc) *Prog { … }

// Similar to EmitEntryLiveness, but just emit stack map.
func (ctxt *Link) EmitEntryStackMap(s *LSym, p *Prog, newprog ProgAlloc) *Prog { … }

// Similar to EmitEntryLiveness, but just emit unsafe point map.
func (ctxt *Link) EmitEntryUnsafePoint(s *LSym, p *Prog, newprog ProgAlloc) *Prog { … }

// StartUnsafePoint generates PCDATA Progs after p to mark the
// beginning of an unsafe point. The unsafe point starts immediately
// after p.
// It returns the last Prog generated.
func (ctxt *Link) StartUnsafePoint(p *Prog, newprog ProgAlloc) *Prog { … }

// EndUnsafePoint generates PCDATA Progs after p to mark the end of an
// unsafe point, restoring the register map index to oldval.
// The unsafe point ends right after p.
// It returns the last Prog generated.
func (ctxt *Link) EndUnsafePoint(p *Prog, newprog ProgAlloc, oldval int64) *Prog { … }

// MarkUnsafePoints inserts PCDATAs to mark nonpreemptible and restartable
// instruction sequences, based on isUnsafePoint and isRestartable predicate.
// p0 is the start of the instruction stream.
// isUnsafePoint(p) returns true if p is not safe for async preemption.
// isRestartable(p) returns true if we can restart at the start of p (this Prog)
// upon async preemption. (Currently multi-Prog restartable sequence is not
// supported.)
// isRestartable can be nil. In this case it is treated as always returning false.
// If isUnsafePoint(p) and isRestartable(p) are both true, it is treated as
// an unsafe point.
func MarkUnsafePoints(ctxt *Link, p0 *Prog, newprog ProgAlloc, isUnsafePoint, isRestartable func(*Prog) bool) { … }