[llvm] d619cf5 - [llvm-objcopy][MachO] Copy LC_LINKER_OPTIMIZATION_HINT

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2021-06-16T12:09:50-07:00
New Revision: d619cf5ac5bffa4020f6f391afb23a7a9a5ae568

URL: https://github.com/llvm/llvm-project/commit/d619cf5ac5bffa4020f6f391afb23a7a9a5ae568
DIFF: https://github.com/llvm/llvm-project/commit/d619cf5ac5bffa4020f6f391afb23a7a9a5ae568.diff

LOG: [llvm-objcopy][MachO] Copy LC_LINKER_OPTIMIZATION_HINT

This fixes `error: unsupported load command (cmd=0x2e)`

Added: 
    

Modified: 
    llvm/test/tools/llvm-objcopy/MachO/basic-executable-copy.test
    llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp

Removed: 
    


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diff  --git a/llvm/test/tools/llvm-objcopy/MachO/basic-executable-copy.test b/llvm/test/tools/llvm-objcopy/MachO/basic-executable-copy.test
index ce176b683024c..0ec84f74f7019 100644
--- a/llvm/test/tools/llvm-objcopy/MachO/basic-executable-copy.test
+++ b/llvm/test/tools/llvm-objcopy/MachO/basic-executable-copy.test
@@ -169,6 +169,10 @@ LoadCommands:
   - cmd:             LC_SOURCE_VERSION
     cmdsize:         16
     version:         0
+  - cmd:             LC_LINKER_OPTIMIZATION_HINT
+    cmdsize:         16
+    dataoff:         0
+    datasize:        0
   - cmd:             LC_MAIN
     cmdsize:         24
     entryoff:        3984

diff  --git a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
index c6cbfee44e679..c72600a9f01e0 100644
--- a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
+++ b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
@@ -356,6 +356,7 @@ Error MachOLayoutBuilder::layoutTail(uint64_t Offset) {
     // LC_ENCRYPT_INFO/LC_ENCRYPTION_INFO_64 need to be adjusted.
     case MachO::LC_ENCRYPTION_INFO:
     case MachO::LC_ENCRYPTION_INFO_64:
+    case MachO::LC_LINKER_OPTIMIZATION_HINT:
     case MachO::LC_LOAD_DYLINKER:
     case MachO::LC_MAIN:
     case MachO::LC_RPATH: