cmd/link: support more load commands on Mach-O

Change-Id: I74dd9170a51cc93ce3ec5e5860c2eb2912f081f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/312729
Trust: Cherry Zhang <[email protected]>
Run-TryBot: Cherry Zhang <[email protected]>
Reviewed-by: Than McIntosh <[email protected]>
TryBot-Result: Go Bot <[email protected]>

Author: cherrymui

src/cmd/link/internal/ld/macho.go

@@ -88,6 +88,8 @@ const (
 	MACHO_SUBCPU_ARMV7                   = 9
 	MACHO_CPU_ARM64                      = 1<<24 | 12
 	MACHO_SUBCPU_ARM64_ALL               = 0
+	MACHO_SUBCPU_ARM64_V8                = 1
+	MACHO_SUBCPU_ARM64E                  = 2
 	MACHO32SYMSIZE                       = 12
 	MACHO64SYMSIZE                       = 16
 	MACHO_X86_64_RELOC_UNSIGNED          = 0
@@ -178,6 +180,8 @@ const (
 	LC_VERSION_MIN_WATCHOS      = 0x30
 	LC_VERSION_NOTE             = 0x31
 	LC_BUILD_VERSION            = 0x32
+	LC_DYLD_EXPORTS_TRIE        = 0x80000033
+	LC_DYLD_CHAINED_FIXUPS      = 0x80000034
 )
 
 const (

src/cmd/link/internal/ld/macho_combine_dwarf.go

@@ -222,11 +222,19 @@ func machoCombineDwarf(ctxt *Link, exef *os.File, exem *macho.File, dsym, outexe
 			err = machoUpdateLoadCommand(reader, linkseg, linkoffset, &macho.SymtabCmd{}, "Symoff", "Stroff")
 		case macho.LoadCmdDysymtab:
 			err = machoUpdateLoadCommand(reader, linkseg, linkoffset, &macho.DysymtabCmd{}, "Tocoffset", "Modtaboff", "Extrefsymoff", "Indirectsymoff", "Extreloff", "Locreloff")
-		case LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO, LC_FUNCTION_STARTS, LC_DATA_IN_CODE, LC_DYLIB_CODE_SIGN_DRS:
+		case LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO, LC_FUNCTION_STARTS, LC_DATA_IN_CODE, LC_DYLIB_CODE_SIGN_DRS,
+			LC_DYLD_EXPORTS_TRIE, LC_DYLD_CHAINED_FIXUPS:
 			err = machoUpdateLoadCommand(reader, linkseg, linkoffset, &linkEditDataCmd{}, "DataOff")
 		case LC_ENCRYPTION_INFO, LC_ENCRYPTION_INFO_64:
 			err = machoUpdateLoadCommand(reader, linkseg, linkoffset, &encryptionInfoCmd{}, "CryptOff")
-		case macho.LoadCmdDylib, macho.LoadCmdThread, macho.LoadCmdUnixThread, LC_PREBOUND_DYLIB, LC_UUID, LC_VERSION_MIN_MACOSX, LC_VERSION_MIN_IPHONEOS, LC_SOURCE_VERSION, LC_MAIN, LC_LOAD_DYLINKER, LC_LOAD_WEAK_DYLIB, LC_REEXPORT_DYLIB, LC_RPATH, LC_ID_DYLIB, LC_SYMSEG, LC_LOADFVMLIB, LC_IDFVMLIB, LC_IDENT, LC_FVMFILE, LC_PREPAGE, LC_ID_DYLINKER, LC_ROUTINES, LC_SUB_FRAMEWORK, LC_SUB_UMBRELLA, LC_SUB_CLIENT, LC_SUB_LIBRARY, LC_TWOLEVEL_HINTS, LC_PREBIND_CKSUM, LC_ROUTINES_64, LC_LAZY_LOAD_DYLIB, LC_LOAD_UPWARD_DYLIB, LC_DYLD_ENVIRONMENT, LC_LINKER_OPTION, LC_LINKER_OPTIMIZATION_HINT, LC_VERSION_MIN_TVOS, LC_VERSION_MIN_WATCHOS, LC_VERSION_NOTE, LC_BUILD_VERSION:
+		case macho.LoadCmdDylib, macho.LoadCmdThread, macho.LoadCmdUnixThread,
+			LC_PREBOUND_DYLIB, LC_UUID, LC_VERSION_MIN_MACOSX, LC_VERSION_MIN_IPHONEOS, LC_SOURCE_VERSION,
+			LC_MAIN, LC_LOAD_DYLINKER, LC_LOAD_WEAK_DYLIB, LC_REEXPORT_DYLIB, LC_RPATH, LC_ID_DYLIB,
+			LC_SYMSEG, LC_LOADFVMLIB, LC_IDFVMLIB, LC_IDENT, LC_FVMFILE, LC_PREPAGE, LC_ID_DYLINKER,
+			LC_ROUTINES, LC_SUB_FRAMEWORK, LC_SUB_UMBRELLA, LC_SUB_CLIENT, LC_SUB_LIBRARY, LC_TWOLEVEL_HINTS,
+			LC_PREBIND_CKSUM, LC_ROUTINES_64, LC_LAZY_LOAD_DYLIB, LC_LOAD_UPWARD_DYLIB, LC_DYLD_ENVIRONMENT,
+			LC_LINKER_OPTION, LC_LINKER_OPTIMIZATION_HINT, LC_VERSION_MIN_TVOS, LC_VERSION_MIN_WATCHOS,
+			LC_VERSION_NOTE, LC_BUILD_VERSION:
 			// Nothing to update
 		default:
 			err = fmt.Errorf("unknown load command 0x%x (%s)", int(cmd.Cmd), cmd.Cmd)