[llvm-nm] Add test for `--debug-syms --dynamic`

Summary: This test ensures that `llvm-nm` will omit NULL symbol.

Reviewers: jhenderson, MaskRay, grimar

Reviewed By: jhenderson, grimar

Subscribers: rupprecht, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D76213

diff --git a/llvm/test/tools/llvm-nm/debug-syms.test b/llvm/test/tools/llvm-nm/debug-syms.test
index 6a71aed..e581765 100644 (file)
--- a/llvm/test/tools/llvm-nm/debug-syms.test
+++ b/llvm/test/tools/llvm-nm/debug-syms.test
@@ -1,6 +1,17 @@
 # RUN: yaml2obj %s -o %t.o
-# RUN: llvm-nm --debug-syms %t.o | FileCheck %s --implicit-check-not U
-# RUN: llvm-nm -a %t.o | FileCheck %s --implicit-check-not U
+# RUN: llvm-nm --debug-syms %t.o | FileCheck %s --implicit-check-not {{.}} --check-prefix SYMBOL
+# RUN: llvm-nm -a %t.o | FileCheck %s --implicit-check-not {{.}} --check-prefix SYMBOL
+
+# SYMBOL:      0000000000000000 n $a
+# SYMBOL-NEXT: 0000000000000000 n $d
+# SYMBOL-NEXT: 0000000000000000 n $t
+# SYMBOL-NEXT: 0000000000000000 a file_sym
+# SYMBOL-NEXT: 0000000000000000 n section
+
+# RUN: llvm-nm --debug-syms --dynamic %t.o | FileCheck %s --implicit-check-not {{.}} --check-prefix DYNSYM
+
+# DYNSYM:      0000000000000000 N dynglobal
+# DYNSYM-NEXT: 0000000000000000 n dynlocal
 
 !ELF
 FileHeader:
@@ -24,9 +35,11 @@ Symbols:
     Section: section
   - Name:    $a
     Section: section
-
-# CHECK:      $a
-# CHECK-NEXT: $d
-# CHECK-NEXT: $t
-# CHECK-NEXT: file_sym
-# CHECK-NEXT: section
+DynamicSymbols:
+  - Name:    dynlocal
+    Type:    STT_OBJECT
+    Section: section
+  - Name:    dynglobal
+    Type:    STT_OBJECT
+    Binding: STB_GLOBAL
+    Section: section