[llvm-branch-commits] [lldb] 9d9959e - [lldb] Recognize MachO cpu sub-type 2 as arm64

Jonas Devlieghere via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Thu Dec 3 13:36:21 PST 2020


Author: Jonas Devlieghere
Date: 2020-12-03T13:31:31-08:00
New Revision: 9d9959eeacd7222277b9a4ea82a2f59c2bdec5f7

URL: https://github.com/llvm/llvm-project/commit/9d9959eeacd7222277b9a4ea82a2f59c2bdec5f7
DIFF: https://github.com/llvm/llvm-project/commit/9d9959eeacd7222277b9a4ea82a2f59c2bdec5f7.diff

LOG: [lldb] Recognize MachO cpu sub-type 2 as arm64

Make sure we recognize cpu sub-type 2 as arm64. In reality it's arm64e,
but we don't have the triple for that. Without this patch, we fall back
to unknown-apple-macosx- for the default architecture, which breaks
things like running expressions without a target.

Differential revision: https://reviews.llvm.org/D92603

Added: 
    

Modified: 
    lldb/source/Utility/ArchSpec.cpp

Removed: 
    


################################################################################
diff  --git a/lldb/source/Utility/ArchSpec.cpp b/lldb/source/Utility/ArchSpec.cpp
index c7b56a8385f7..5bbe59034c04 100644
--- a/lldb/source/Utility/ArchSpec.cpp
+++ b/lldb/source/Utility/ArchSpec.cpp
@@ -298,6 +298,8 @@ static const ArchDefinitionEntry g_macho_arch_entries[] = {
      SUBTYPE_MASK},
     {ArchSpec::eCore_arm_armv7em, llvm::MachO::CPU_TYPE_ARM, 16, UINT32_MAX,
      SUBTYPE_MASK},
+    {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 2, UINT32_MAX,
+     SUBTYPE_MASK}, // FIXME: This should be arm64e once the triple exists.
     {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 1, UINT32_MAX,
      SUBTYPE_MASK},
     {ArchSpec::eCore_arm_arm64, llvm::MachO::CPU_TYPE_ARM64, 0, UINT32_MAX,


        


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