// contained in it). For other sections (eg: .debug_info), the section
// symbol is empty and all the content is in the sub-symbols. Finally
// there are some sections (eg: .debug_ranges) where it is a mix (both
// the section symbol and the sub-symbols have content)
type dwarfSecInfo struct {
	syms []loader.Sym
}

// secSym returns the section symbol for the section.

}{
	{
		"hello",
		"hello, world\n",
		"\x28\xb5\x2f\xfd\x24\x0d\x69\x00\x00\x68\x65\x6c\x6c\x6f\x2c\x20\x77\x6f\x72\x6c\x64\x0a\x4c\x1f\xf9\xf1",
	},
	{
		// a small compressed .debug_ranges section.
		"ranges",
		"\xcc\x11\x00\x00\x00\x00\x00\x00\xd5\x13\x00\x00\x00\x00\x00\x00" +
			"\x1c\x14\x00\x00\x00\x00\x00\x00\x72\x14\x00\x00\x00\x00\x00\x00" +

			{".debug_str", 0x396, 0x2f000, 0x400, 0x25200, 0x0, 0x0, 0x0, 0x0, 0x42100040},
			{".debug_loc", 0x13240, 0x30000, 0x13400, 0x25600, 0x0, 0x0, 0x0, 0x0, 0x42100040},
			{".debug_ranges", 0xa70, 0x44000, 0xc00, 0x38a00, 0x0, 0x0, 0x0, 0x0, 0x42100040},
		},
	},
	{
		// testdata/vmlinuz-4.15.0-47-generic is a trimmed down version of Linux Kernel image.

			{".rel.debug_info", SHT_REL, SHF_INFO_LINK, 0x0, 0x3ec, 0xa0, 0x13, 0x6, 0x4, 0x8, 0xa0},
			{".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xdc, 0x5a, 0x0, 0x0, 0x1, 0x0, 0x5a},
			{".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x136, 0x20, 0x0, 0x0, 0x1, 0x0, 0x20},
			{".rel.debug_aranges", SHT_REL, SHF_INFO_LINK, 0x0, 0x48c, 0x10, 0x13, 0x9, 0x4, 0x8, 0x10},
			{".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x156, 0x5c, 0x0, 0x0, 0x1, 0x0, 0x5c},

	case ".debug_loc":
		return ".dwloc", SSUBTYP_DWLOC
	case ".debug_pubnames":
		return ".dwpbnms", SSUBTYP_DWPBNMS
	case ".debug_pubtypes":
		return ".dwpbtyp", SSUBTYP_DWPBTYP
	case ".debug_ranges":
		return ".dwrnges", SSUBTYP_DWRNGES
	}
	// never used
	return "", 0
}

// getXCOFFscnum returns the XCOFF section number of a Go section.
func (f *xcoffFile) getXCOFFscnum(sect *sym.Section) int16 {

	FuncDIEs  []LoaderSym // Function DIE subtrees
	VarDIEs   []LoaderSym // Global variable DIEs
	AbsFnDIEs []LoaderSym // Abstract function DIE subtrees
	RangeSyms []LoaderSym // Symbols for debug_range
	Textp     []LoaderSym // Text symbols in this CU

				o = ldr.SymValue(rs) - int64(Segtext.Sections[0].Vaddr) + r.Add()
			} else {
				o = ldr.SymValue(rs) - int64(ldr.SymSect(rs).Vaddr) + r.Add()
			}

		case objabi.R_ADDRCUOFF:
			// debug_range and debug_loc elements use this relocation type to get an
			// offset from the start of the compile unit.
			o = ldr.SymValue(rs) + r.Add() - ldr.SymValue(loader.Sym(ldr.SymUnit(rs).Textp[0]))