[llvm] 5f2ce19 - [MachO] Add comments to explain the semantics of chained fixups structures.

[Davide Italiano via llvm-commits]

Author: Davide Italiano
Date: 2023-05-30T19:24:56-07:00
New Revision: 5f2ce1981593d6e877d4879bdb46152cf6a444db

URL: https://github.com/llvm/llvm-project/commit/5f2ce1981593d6e877d4879bdb46152cf6a444db
DIFF: https://github.com/llvm/llvm-project/commit/5f2ce1981593d6e877d4879bdb46152cf6a444db.diff

LOG: [MachO] Add comments to explain the semantics of chained fixups structures.

Added: 
    

Modified: 
    llvm/include/llvm/BinaryFormat/MachO.h

Removed: 
    


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diff  --git a/llvm/include/llvm/BinaryFormat/MachO.h b/llvm/include/llvm/BinaryFormat/MachO.h
index 474480f9f0c1..8f47fabf286b 100644
--- a/llvm/include/llvm/BinaryFormat/MachO.h
+++ b/llvm/include/llvm/BinaryFormat/MachO.h
@@ -1039,8 +1039,8 @@ enum {
 // Values for dyld_chained_starts_in_segment::page_start.
 enum {
   DYLD_CHAINED_PTR_START_NONE = 0xFFFF,
-  DYLD_CHAINED_PTR_START_MULTI = 0x8000,
-  DYLD_CHAINED_PTR_START_LAST = 0x8000,
+  DYLD_CHAINED_PTR_START_MULTI = 0x8000, // page which has multiple starts
+  DYLD_CHAINED_PTR_START_LAST = 0x8000,  // last chain_start for a given page
 };
 
 // Values for dyld_chained_starts_in_segment::pointer_format.