fix: staticcheck and deadcode findings repo-wide, modernize counting loops

asm/elf_dwarf_sections.go

@@ -3,8 +3,6 @@
 
 package asm
 
-import "encoding/binary"
-
 // dwarfELFSections holds the laid-out DWARF sections ready for inclusion
 // in an ELF file.
 type dwarfELFSections struct {
@@ -114,28 +112,6 @@ func appendDWARFSections(out *[]byte, img *Image, srcFile string, symIdx map[str
 	return result
 }
 
-// dwarfRelaRecords returns the ELF RELA records for DWARF address fixups.
-// Each record uses R_X86_64_64 (absolute 64-bit) relocation type.
-func dwarfRelaRecords(dw *dwarfELFSections, relType uint32) []byte {
-	le := binary.LittleEndian
-	var out []byte
-	for _, r := range dw.infoRelocs {
-		var b [24]byte
-		le.PutUint64(b[0:], r.off)
-		le.PutUint64(b[8:], uint64(r.sym)<<32|uint64(relType))
-		le.PutUint64(b[16:], uint64(r.addend))
-		out = append(out, b[:]...)
-	}
-	for _, r := range dw.lineRelocs {
-		var b [24]byte
-		le.PutUint64(b[0:], r.off)
-		le.PutUint64(b[8:], uint64(r.sym)<<32|uint64(relType))
-		le.PutUint64(b[16:], uint64(r.addend))
-		out = append(out, b[:]...)
-	}
-	return out
-}
-
 // dwarfSectionNames returns the DWARF section names for the string table.
 var dwarfSectionNames = []string{
 	".debug_abbrev", ".debug_info", ".debug_line", ".debug_line_str",