Make the assembler generate an error if there is an attempt to define a section with...

[deliverable/binutils-gdb.git] / gas / config / obj-elf.c

diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c
index ee93628d70af0050fbdb0eccac2bb4c8081feed3..7cf921c051f62b4cd73b867e7d203cc3fec284fe 100644 (file)
--- a/gas/config/obj-elf.c
+++ b/gas/config/obj-elf.c
@@ -1,5 +1,5 @@
 /* ELF object file format
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -1039,6 +1039,18 @@ obj_elf_section (int push)
   name = obj_elf_section_name ();
   if (name == NULL)
     return;
+
+  symbolS * sym;
+  if ((sym = symbol_find (name)) != NULL
+      && ! symbol_section_p (sym)
+      && S_IS_DEFINED (sym)
+      && ! S_IS_VOLATILE (sym)
+      && ! S_CAN_BE_REDEFINED (sym))
+    {
+      as_bad (_("section name '%s' already defined as another symbol"), name);
+      ignore_rest_of_line ();
+      return;
+    }
   type = SHT_NULL;
   attr = 0;
   gnu_attr = 0;