1 files changed, 115 insertions, 0 deletions
diff --git a/test/MC/MachO/ARM/aliased-symbols.s b/test/MC/MachO/ARM/aliased-symbols.s
new file mode 100644
index 0000000..0b4463d
--- /dev/null
+++ b/test/MC/MachO/ARM/aliased-symbols.s
@@ -0,0 +1,115 @@
+// RUN: llvm-mc -triple thumbv7m-apple-darwin-eabi %s -filetype=obj -o %t
+// RUN:     llvm-readobj -symbols %t | FileCheck %s
+
+        .data
+        var1 = var2
+        .long var1
+        .long var2
+        .long var2 + 4
+defined_early:
+        .long 0
+
+        alias_to_early = defined_early
+        alias_to_late = defined_late
+
+defined_late:
+        .long 0
+
+        .global extern_test
+        extern_test = var2
+
+        alias_to_local = Ltmp0
+Ltmp0:
+
+// CHECK: Symbols [
+
+        // defined_early was defined. Actually has value 0xc.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: defined_early
+// CHECK-NEXT:   Type: Section (0xE)
+// CHECK-NEXT:   Section: __data (0x2)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x[[DEFINED_EARLY:[0-9A-F]+]]
+// CHECK-NEXT: }
+
+        // alias_to_early was an alias to defined_early. But we can resolve it.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: alias_to_early
+// CHECK-NEXT:   Type: Section (0xE)
+// CHECK-NEXT:   Section: __data (0x2)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x[[DEFINED_EARLY]]
+// CHECK-NEXT: }
+
+        // defined_late was defined. Just after defined_early.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: defined_late
+// CHECK-NEXT:   Type: Section (0xE)
+// CHECK-NEXT:   Section: __data (0x2)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x[[DEFINED_LATE:[0-9A-F]+]]
+// CHECK-NEXT: }
+
+        // alias_to_late was an alias to defined_late. But we can resolve it.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: alias_to_late
+// CHECK-NEXT:   Type: Section (0xE)
+// CHECK-NEXT:   Section: __data (0x2)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x[[DEFINED_LATE]]
+// CHECK-NEXT: }
+
+        // alias_to_local is an alias, but what it points to has no
+        // MachO representation. We must resolve it.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: alias_to_local (37)
+// CHECK-NEXT:   Type: Section (0xE)
+// CHECK-NEXT:   Section:  (0x0)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x14
+// CHECK-NEXT: }
+
+        // extern_test was a pure alias to the unknown "var2".
+        // N_INDR and Extern.
+// CHECK:   Name: extern_test
+// CHECK-NEXT:   Extern
+// CHECK-NEXT:   Type: Indirect (0xA)
+// CHECK-NEXT:   Section:  (0x0)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x[[VAR2_STRINGINDEX:[0-9a-f]+]]
+// CHECK-NEXT: }
+
+        // var1 was another alias to an unknown variable. Not extern this time.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: var1 (1)
+// CHECK-NEXT:   Type: Indirect (0xA)
+// CHECK-NEXT:   Section:  (0x0)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x[[VAR2_STRINGINDEX]]
+// CHECK-NEXT: }
+
+        // var2 was a normal undefined (extern) symbol.
+// CHECK: Symbol {
+// CHECK-NEXT:   Name: var2
+// CHECK-NEXT:   Extern
+// CHECK-NEXT:   Type: Undef (0x0)
+// CHECK-NEXT:   Section:  (0x0)
+// CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
+// CHECK-NEXT:   Flags [ (0x0)
+// CHECK-NEXT:   ]
+// CHECK-NEXT:   Value: 0x0
+// CHECK-NEXT: }