IN 19: R{ } offset: 0 typ: complex128
        IN 20: R{ } offset: 16 typ: complex64
        IN 21: R{ I8 } spilloffset: 128 typ: int8
        IN 22: R{ } offset: 24 typ: int16
        IN 23: R{ } offset: 28 typ: int32
        IN 24: R{ } offset: 32 typ: int64
        IN 25: R{ } offset: 40 typ: int8
        IN 26: R{ } offset: 42 typ: int16
        IN 27: R{ } offset: 44 typ: int32

	case elf.ET_REL:
		if offset != 0 {
			return 0, fmt.Errorf("don't know how to handle mapping.Offset")
		}
		return start, nil
	case elf.ET_DYN:
		// The process mapping information, start = start of virtual address range,
		// and offset = offset in the executable file of the start address, tells us

			if !originOK {
				t.Fatalf("no abstract origin attr for child of inlined subroutine at offset %v", k.Offset)
			}
			if _, found := omap[ooff]; found {
				t.Fatalf("duplicate abstract origin at child of inlined subroutine at offset %v", k.Offset)
			}
			omap[ooff] = true
		}
	}
	if !found {
		t.Fatalf("not enough inlined subroutines found in main.main")
	}
}

    size_t copy_size = 0;
    if (offset < buffer_end && gcs_file->buffer_start) {
      copy_size = (std::min)(n, static_cast<size_t>(buffer_end - offset));
      memcpy(buffer,
             gcs_file->buffer.data() + (offset - gcs_file->buffer_start),
             copy_size);
    }
    bool consumed_buffer_to_eof =
        offset + copy_size >= buffer_end && gcs_file->buffer_end_is_past_eof;

		}

	case TYPE_REGREG:
		fmt.Fprintf(w, "(%v, %v)", Rconv(int(a.Reg)), Rconv(int(a.Offset)))

	case TYPE_REGREG2:
		fmt.Fprintf(w, "%v, %v", Rconv(int(a.Offset)), Rconv(int(a.Reg)))

	case TYPE_REGLIST:
		io.WriteString(w, RLconv(a.Offset))

	case TYPE_SPECIAL:
		io.WriteString(w, SPCconv(a.Offset))
	}
}

func (a *Addr) WriteNameTo(w io.Writer) {
	a.writeNameTo(w, false)
}

		if p.As == AFUNCDATA {
			if (havefunc[p.From.Offset/32]>>uint64(p.From.Offset%32))&1 != 0 {
				ctxt.Diag("multiple definitions for FUNCDATA $%d", p.From.Offset)
			}
			havefunc[p.From.Offset/32] |= 1 << uint64(p.From.Offset%32)
		}

		if p.As == APCDATA && p.To.Offset != -1 {
			havepc[p.From.Offset/32] |= 1 << uint64(p.From.Offset%32)
		}
	}

	// pcdata.
	for i := 0; i < npcdata; i++ {

		}
		offset := p.To.Offset
		p.As = AMOVW
		p.From.Type = obj.TYPE_MEM
		p.From.Name = obj.NAME_GOTREF
		p.From.Sym = sym
		p.To.Type = obj.TYPE_REG
		p.To.Reg = REG_R9
		p.To.Name = obj.NAME_NONE
		p.To.Offset = 0
		p.To.Sym = nil
		p1 := obj.Appendp(p, c.newprog)
		p1.As = AADD
		p1.From.Type = obj.TYPE_CONST
		p1.From.Offset = offset
		p1.To.Type = obj.TYPE_REG

			case "go_args_stackmap":
				if p.From.Type != TYPE_CONST || p.From.Offset != abi.FUNCDATA_ArgsPointerMaps {
					ctxt.Diag("%s: FUNCDATA use of go_args_stackmap(SB) without FUNCDATA_ArgsPointerMaps", p.Pos)
				}
				p.To.Sym = ctxt.LookupDerived(curtext, curtext.Name+".args_stackmap")
			case "no_pointers_stackmap":
				if p.From.Type != TYPE_CONST || p.From.Offset != abi.FUNCDATA_LocalsPointerMaps {

// s.scanIdentifier.
func (s *Scanner) next() {
	if s.rdOffset < len(s.src) {
		s.offset = s.rdOffset
		if s.ch == '\n' {
			s.lineOffset = s.offset
			s.file.AddLine(s.offset)
		}
		r, w := rune(s.src[s.rdOffset]), 1
		switch {
		case r == 0:
			s.error(s.offset, "illegal character NUL")
		case r >= utf8.RuneSelf:
			// not ASCII
			r, w = utf8.DecodeRune(s.src[s.rdOffset:])
			if r == utf8.RuneError && w == 1 {

			offset := 3
			if ok, _ := m.Allocate(offset); !ok {
				t.Errorf("error allocate offset %v", offset)
			}

			if !m.Has(offset) {
				t.Errorf("expect offset %v allocated", offset)
			}

			if err := m.Release(offset); err != nil {
				t.Errorf("unexpected error: %v", err)
			}

			if m.Has(offset) {
				t.Errorf("expect offset %v not allocated", offset)
			}
		})