Workaround of broken unwind info

Author: filipnavara

src/coreclr/vm/amd64/CachedInterfaceDispatchCoreCLR.S

@@ -23,7 +23,7 @@ LEAF_ENTRY RhpVTableOffsetDispatch, _TEXT
         // to get the address in the vtable chunk list of what we want to dereference
 #ifdef TARGET_APPLE
 // Apple's linker has issues which break unwind info if
-// an ALTERNATE_ENTRY is present in the middle of a function see https://github.com/dotnet/runtime/pull/114982#discussion_r2083272768
+// an ALTERNATE_ENTRY is present in the middle of a function see https://github.com/dotnet/runtime/issues/119005
 .cfi_endproc
 #endif
     ALTERNATE_ENTRY RhpVTableOffsetDispatchAVLocation

src/coreclr/vm/amd64/patchedcode.S

@@ -20,11 +20,13 @@
 //
 .macro WRITE_BARRIER_ENTRY name
 #if defined(__APPLE__)
-    .text
+    // .cfi_startproc/.cfi_endproc is workaround for https://github.com/dotnet/runtime/issues/119005
+    .cfi_endproc
     .p2align        4
     .alt_entry C_FUNC(\name)
     .private_extern C_FUNC(\name)
 C_FUNC(\name):
+    .cfi_startproc
 #else
     LEAF_ENTRY \name, _TEXT
 #endif
@@ -36,9 +38,12 @@ C_FUNC(\name):
 //
 .macro WRITE_BARRIER_END name
 #if defined(__APPLE__)
+    // .cfi_startproc/.cfi_endproc is workaround for https://github.com/dotnet/runtime/issues/119005
+    .cfi_endproc
     .alt_entry C_FUNC(\name\()_End)
     .private_extern C_FUNC(\name\()_End)
 C_FUNC(\name\()_End):
+    .cfi_startproc
     // make sure this symbol gets its own address
     nop
 #else

src/coreclr/vm/arm64/patchedcode.S

@@ -20,11 +20,13 @@
 //
 .macro WRITE_BARRIER_ENTRY name
 #if defined(__APPLE__)
-    .text
+    // .cfi_startproc/.cfi_endproc is workaround for https://github.com/dotnet/runtime/issues/119005
+    .cfi_endproc
     .p2align        2
     .alt_entry C_FUNC(\name)
     .private_extern C_FUNC(\name)
 C_FUNC(\name):
+    .cfi_startproc
 #else
     LEAF_ENTRY \name, _TEXT
 #endif
@@ -36,9 +38,12 @@ C_FUNC(\name):
 //
 .macro WRITE_BARRIER_END name
 #if defined(__APPLE__)
+    // .cfi_startproc/.cfi_endproc is workaround for https://github.com/dotnet/runtime/issues/119005
+    .cfi_endproc
     .alt_entry C_FUNC(\name\()_End)
     .private_extern C_FUNC(\name\()_End)
 C_FUNC(\name\()_End):
+    .cfi_startproc
     // make sure this symbol gets its own address
     nop
 #else