debug/macho: add missing file flags

Fixes #21414

Change-Id: I8b25d416e6ead087b4a9965e8fa1a7f59ff07291
Reviewed-on: https://go-review.googlesource.com/59290Reviewed-by: Hiroshi Ioka <hirochachacha@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

src/debug/macho/macho.go

@@ -195,9 +195,31 @@ type (
 
 const (
 	FlagNoUndefs              uint32 = 0x1
+	FlagIncrLink              uint32 = 0x2
 	FlagDyldLink              uint32 = 0x4
+	FlagBindAtLoad            uint32 = 0x8
+	FlagPrebound              uint32 = 0x10
+	FlagSplitSegs             uint32 = 0x20
+	FlagLazyInit              uint32 = 0x40
 	FlagTwoLevel              uint32 = 0x80
+	FlagForceFlat             uint32 = 0x100
+	FlagNoMultiDefs           uint32 = 0x200
+	FlagNoFixPrebinding       uint32 = 0x400
+	FlagPrebindable           uint32 = 0x800
+	FlagAllModsBound          uint32 = 0x1000
+	FlagSubsectionsViaSymbols uint32 = 0x2000
+	FlagCanonical             uint32 = 0x4000
+	FlagWeakDefines           uint32 = 0x8000
+	FlagBindsToWeak           uint32 = 0x10000
+	FlagAllowStackExecution   uint32 = 0x20000
+	FlagRootSafe              uint32 = 0x40000
+	FlagSetuidSafe            uint32 = 0x80000
+	FlagNoReexportedDylibs    uint32 = 0x100000
 	FlagPIE                   uint32 = 0x200000
+	FlagDeadStrippableDylib   uint32 = 0x400000
+	FlagHasTLVDescriptors     uint32 = 0x800000
+	FlagNoHeapExecution       uint32 = 0x1000000
+	FlagAppExtensionSafe      uint32 = 0x2000000
 )
 
 // A Section32 is a 32-bit Mach-O section header.