Merge pull request #79111 from al45tair/eng/PR-144045984

[Backtracing] Local|RemoteMemoryReader only exists on macOS and Linux.

Author: aschwaighofer

stdlib/public/RuntimeModule/Elf.swift

@@ -1879,7 +1879,9 @@ typealias Elf64Image = ElfImage<Elf64Traits>
 /// Test if there is a valid ELF image at the specified address; if there is,
 /// extract the address range for the text segment and the UUID, if any.
 @_specialize(kind: full, where R == UnsafeLocalMemoryReader)
+#if os(macOS) || os(Linux)
 @_specialize(kind: full, where R == RemoteMemoryReader)
+#endif
 #if os(Linux)
 @_specialize(kind: full, where R == MemserverMemoryReader)
 #endif
@@ -1915,8 +1917,10 @@ func getElfImageInfo<R: MemoryReader>(at address: R.Address,
 
 @_specialize(kind: full, where R == UnsafeLocalMemoryReader, Traits == Elf32Traits)
 @_specialize(kind: full, where R == UnsafeLocalMemoryReader, Traits == Elf64Traits)
+#if os(macOS) || os(Linux)
 @_specialize(kind: full, where R == RemoteMemoryReader, Traits == Elf32Traits)
 @_specialize(kind: full, where R == RemoteMemoryReader, Traits == Elf64Traits)
+#endif
 #if os(Linux)
 @_specialize(kind: full, where R == MemserverMemoryReader, Traits == Elf32Traits)
 @_specialize(kind: full, where R == MemserverMemoryReader, Traits == Elf64Traits)

stdlib/public/RuntimeModule/FramePointerUnwinder.swift

@@ -36,7 +36,9 @@ public struct FramePointerUnwinder<C: Context, M: MemoryReader>: Sequence, Itera
   var reader: MemoryReader
 
   @_specialize(exported: true, kind: full, where C == HostContext, M == UnsafeLocalMemoryReader)
+  #if os(macOS) || os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == RemoteMemoryReader)
+  #endif
   #if os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == MemserverMemoryReader)
   #endif
@@ -77,7 +79,9 @@ public struct FramePointerUnwinder<C: Context, M: MemoryReader>: Sequence, Itera
   }
 
   @_specialize(exported: true, kind: full, where C == HostContext, M == UnsafeLocalMemoryReader)
+  #if os(macOS) || os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == RemoteMemoryReader)
+  #endif
   #if os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == MemserverMemoryReader)
   #endif
@@ -114,7 +118,9 @@ public struct FramePointerUnwinder<C: Context, M: MemoryReader>: Sequence, Itera
   }
 
   @_specialize(exported: true, kind: full, where C == HostContext, M == UnsafeLocalMemoryReader)
+  #if os(macOS) || os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == RemoteMemoryReader)
+  #endif
   #if os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == MemserverMemoryReader)
   #endif
@@ -129,7 +135,9 @@ public struct FramePointerUnwinder<C: Context, M: MemoryReader>: Sequence, Itera
   }
 
   @_specialize(exported: true, kind: full, where C == HostContext, M == UnsafeLocalMemoryReader)
+  #if os(macOS) || os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == RemoteMemoryReader)
+  #endif
   #if os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == MemserverMemoryReader)
   #endif
@@ -138,7 +146,9 @@ public struct FramePointerUnwinder<C: Context, M: MemoryReader>: Sequence, Itera
   }
 
   @_specialize(exported: true, kind: full, where C == HostContext, M == UnsafeLocalMemoryReader)
+  #if os(macOS) || os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == RemoteMemoryReader)
+  #endif
   #if os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == MemserverMemoryReader)
   #endif
@@ -155,7 +165,9 @@ public struct FramePointerUnwinder<C: Context, M: MemoryReader>: Sequence, Itera
   }
 
   @_specialize(exported: true, kind: full, where C == HostContext, M == UnsafeLocalMemoryReader)
+  #if os(macOS) || os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == RemoteMemoryReader)
+  #endif
   #if os(Linux)
   @_specialize(exported: true, kind: full, where C == HostContext, M == MemserverMemoryReader)
   #endif