[llvm] [llvm-readelf] Add --extra-sym-info (PR #65580)

[Fangrui Song via llvm-commits]

================
@@ -52,19 +54,44 @@
 # SYMBOLS-LLVM-NEXT:    Other: 0
 # SYMBOLS-LLVM-NEXT:    Section: Undefined (0x0)
 # SYMBOLS-LLVM-NEXT:  }
+# SYMBOLS-LLVM-NEXT:  Symbol {
+# SYMBOLS-LLVM-NEXT:    Name: data (9)
+# SYMBOLS-LLVM-NEXT:    Value: 0x3
+# SYMBOLS-LLVM-NEXT:    Size: 0
+# SYMBOLS-LLVM-NEXT:    Binding: Global (0x1)
+# SYMBOLS-LLVM-NEXT:    Type: None (0x0)
+# SYMBOLS-LLVM-NEXT:    Other: 0
+# SYMBOLS-LLVM-NEXT:    Section: .data (0x2)
+# SYMBOLS-LLVM-NEXT:  }
 # SYMBOLS-LLVM-NEXT:]
 
-#      SYMBOLS-GNU64:Symbol table '.symtab' contains 3 entries:
+#      SYMBOLS-GNU64:Symbol table '.symtab' contains 4 entries:
 # SYMBOLS-GNU64-NEXT:   Num:    Value          Size Type    Bind   Vis       Ndx Name
 # SYMBOLS-GNU64-NEXT:     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT   UND 
-# SYMBOLS-GNU64-NEXT:     1: 0000000000000001     0 NOTYPE  LOCAL  DEFAULT   UND foo
+# SYMBOLS-GNU64-NEXT:     1: 0000000000000001     0 NOTYPE  LOCAL  DEFAULT     1 foo
 # SYMBOLS-GNU64-NEXT:     2: 0000000000000002     0 NOTYPE  LOCAL  DEFAULT   UND bar
+# SYMBOLS-GNU64-NEXT:     3: 0000000000000003     0 NOTYPE  GLOBAL DEFAULT     2 data
 
-#      SYMBOLS-GNU32:Symbol table '.symtab' contains 3 entries:
+#     SYMBOLS-GNU64X:Symbol table '.symtab' contains 4 entries:
+#SYMBOLS-GNU64X-NEXT:   Num:    Value          Size Type    Bind   Vis+Other Ndx(SecName) Name [+ Version Info]
+#SYMBOLS-GNU64X-NEXT:     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT   UND          
+#SYMBOLS-GNU64X-NEXT:     1: 0000000000000001     0 NOTYPE  LOCAL  DEFAULT     1 (.text)  foo
+#SYMBOLS-GNU64X-NEXT:     2: 0000000000000002     0 NOTYPE  LOCAL  DEFAULT   UND          bar
+#SYMBOLS-GNU64X-NEXT:     3: 0000000000000003     0 NOTYPE  GLOBAL DEFAULT     2 (.data)  data
+
+#      SYMBOLS-GNU32:Symbol table '.symtab' contains 4 entries:
 # SYMBOLS-GNU32-NEXT:   Num:    Value  Size Type    Bind   Vis       Ndx Name
 # SYMBOLS-GNU32-NEXT:     0: 00000000     0 NOTYPE  LOCAL  DEFAULT   UND 
-# SYMBOLS-GNU32-NEXT:     1: 00000001     0 NOTYPE  LOCAL  DEFAULT   UND foo
+# SYMBOLS-GNU32-NEXT:     1: 00000001     0 NOTYPE  LOCAL  DEFAULT     1 foo
 # SYMBOLS-GNU32-NEXT:     2: 00000002     0 NOTYPE  LOCAL  DEFAULT   UND bar
+# SYMBOLS-GNU32-NEXT:     3: 00000003     0 NOTYPE  GLOBAL DEFAULT     2 data
+
+#     SYMBOLS-GNU32X:Symbol table '.symtab' contains 4 entries:
+#SYMBOLS-GNU32X-NEXT:   Num:    Value  Size Type    Bind   Vis+Other Ndx(SecName) Name [+ Version Info]
----------------
MaskRay wrote:

This is to align with `SYMBOLS-GNU32` above. Happy to indent by 1 if you feel strongly.

https://github.com/llvm/llvm-project/pull/65580