case objabi.R_ARM64_GOTPCREL:
		out.Write64(uint64(elf.R_AARCH64_ADR_GOT_PAGE) | uint64(elfsym)<<32)
		out.Write64(uint64(r.Xadd))
		out.Write64(uint64(sectoff + 4))
		out.Write64(uint64(elf.R_AARCH64_LD64_GOT_LO12_NC) | uint64(elfsym)<<32)
	case objabi.R_CALLARM64:
		if siz != 4 {
			return false
		}
		out.Write64(uint64(elf.R_AARCH64_CALL26) | uint64(elfsym)<<32)

	}

	// Add special runtime.text and runtime.etext symbols.
	s := ldr.Lookup("runtime.text", 0)
	if ldr.SymType(s) == sym.STEXT {
		addsym(s)
	}
	s = ldr.Lookup("runtime.etext", 0)
	if ldr.SymType(s) == sym.STEXT {
		addsym(s)
	}

	// Add text symbols.
	for _, s := range ctxt.Textp {
		addsym(s)
	}

	shouldBeInSymbolTable := func(s loader.Sym) bool {
		if ldr.AttrNotInSymbolTable(s) {
			return false
		}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build linux && (386 || arm)

package runtime

// ELF32 structure definitions for use by the vDSO loader

type elfSym struct {
	st_name  uint32
	st_value uint32
	st_size  uint32
	st_info  byte
	st_other byte
	st_shndx uint16
}

type elfVerdef struct {
	vd_version uint16 /* Version revision */

}

// globalMapInitLsyms records the LSym of each map.init.NNN outlined
// map initializer function created by the compiler.
var globalMapInitLsyms map[*obj.LSym]struct{}

// RegisterMapInitLsym records "s" in the set of outlined map initializer
// functions.
func RegisterMapInitLsym(s *obj.LSym) {
	if globalMapInitLsyms == nil {
		globalMapInitLsyms = make(map[*obj.LSym]struct{})
	}
	globalMapInitLsyms[s] = struct{}{}

// allows using Sym pointer equality to test for Go identifier uniqueness when
// handling selector expressions.
//
// Ideally, Sym should be used for representing Go language constructs,
// while cmd/internal/obj.LSym is used for representing emitted artifacts.
//
// NOTE: In practice, things can be messier than the description above
// for various reasons (historical, convenience).
type Sym struct {
	Linkname string // link name

func symIsRO(sym interface{}) bool {
	lsym := sym.(*obj.LSym)
	return lsym.Type == objabi.SRODATA && len(lsym.R) == 0
}

// symIsROZero reports whether sym is a read-only global whose data contains all zeros.
func symIsROZero(sym Sym) bool {
	lsym := sym.(*obj.LSym)
	if lsym.Type != objabi.SRODATA || len(lsym.R) != 0 {
		return false
	}
	for _, b := range lsym.P {
		if b != 0 {
			return false
		}

package obj

import (
	"cmd/internal/src"
	"fmt"
	"testing"
)

func TestGetFileSymbolAndLine(t *testing.T) {
	ctxt := new(Link)
	ctxt.hash = make(map[string]*LSym)
	ctxt.statichash = make(map[string]*LSym)

	afile := src.NewFileBase("a.go", "a.go")
	bfile := src.NewFileBase("b.go", "/foo/bar/b.go")
	lfile := src.NewLinePragmaBase(src.MakePos(afile, 8, 1), "linedir", "linedir", 100, 1)

// must follow the internal calling convention.
func LookupRuntimeFunc(name string) *obj.LSym {
	return LookupRuntimeABI(name, obj.ABIInternal)
}

// LookupRuntimeVar looks up a variable (or assembly function) name in package
// runtime. If this is a function, it may have a special calling
// convention.
func LookupRuntimeVar(name string) *obj.LSym {
	return LookupRuntimeABI(name, obj.ABI0)
}

	b.off += 4
}

func (b *sehbuf) writecode(op, value uint8) {
	b.write8(value<<4 | op)
}

// populateSeh generates the SEH unwind information for s.
func populateSeh(ctxt *obj.Link, s *obj.LSym) (sehsym *obj.LSym) {
	if s.NoFrame() {
		return
	}

	// This implementation expects the following function prologue layout:
	// - Stack split code (optional)
	// - PUSHQ	BP
	// - MOVQ	SP,	BP
	//

			if ldr.SymType(s) == sym.STEXT {
				addsym(s)
			}
		}
		for n := range Segtext.Sections[1:] {
			s := ldr.Lookup(fmt.Sprintf("runtime.text.%d", n+1), 0)
			if s != 0 {
				addsym(s)
			} else {
				break
			}
		}
		if !ctxt.DynlinkingGo() {
			s := ldr.Lookup("runtime.etext", 0)
			if ldr.SymType(s) == sym.STEXT {
				addsym(s)
			}
		}
	}

	// Add text symbols.