1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-nm/elf-extern-only.test b/llvm/test/tools/llvm-nm/elf-extern-only.test
new file mode 100644
index 00000000000..d8bbd664acc
--- /dev/null
+++ b/llvm/test/tools/llvm-nm/elf-extern-only.test
@@ -0,0 +1,49 @@
+## Test that the --extern-only switch only shows external ELF symbols.
+
+# RUN: yaml2obj %s -o %t.o
+# RUN: llvm-nm %t.o --extern-only --no-sort | FileCheck %s
+# RUN: llvm-nm %t.o -g --no-sort | FileCheck %s
+
+## Using --no-sort ensures that the symbols appear in the symbol table order
+## allowing our CHECK-NOTs to work as expected.
+# CHECK-NOT: local
+# CHECK: D global_data_symbol
+# CHECK-NEXT: T global_function_symbol
+# CHECK-NEXT: U undefined
+# CHECK-NEXT: W weak_symbol
+# CHECK-NOT: local
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS32
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_386
+Sections:
+  - Name:  .text
+    Type:  SHT_PROGBITS
+    Flags: [SHF_ALLOC, SHF_EXECINSTR]
+  - Name:  .data
+    Type:  SHT_PROGBITS
+    Flags: [SHF_ALLOC, SHF_WRITE]
+Symbols:
+  - Name:    local_function_symbol
+    Binding: STB_LOCAL
+    Section: .text
+  - Name:    local_data_symbol
+    Binding: STB_LOCAL
+    Section: .data
+  - Name:    global_data_symbol
+    Binding: STB_GLOBAL
+    Section: .data
+  - Name:    global_function_symbol
+    Binding: STB_GLOBAL
+    Section: .text
+  - Name:    undefined
+    Binding: STB_GLOBAL
+  - Name:    weak_symbol
+    Binding: STB_WEAK
+    Section: .data
+  - Name:    local_at_end
+    Binding: STB_LOCAL
+    Section: .text