Assorted tidies

bfd/
	* elf32-microblaze.c (dbg): Delete unused variable.
	* elf32-nds32.c (relax_group_section_id_list): Make static.
	* som.c (reloc_queue): Make static.
	* xtensa-isa.c (xtisa_errno, xtisa_error_msg): Make static.
include/
	* xtensa-isa-internal.h (xtisa_errno, xtisa_error_msg): Delete.

bfd/ChangeLog

@@ -1,3 +1,10 @@
+2020-12-18  Alan Modra  <amodra@gmail.com>
+
+	* elf32-microblaze.c (dbg): Delete unused variable.
+	* elf32-nds32.c (relax_group_section_id_list): Make static.
+	* som.c (reloc_queue): Make static.
+	* xtensa-isa.c (xtisa_errno, xtisa_error_msg): Make static.
+
 2020-12-18  Alan Modra  <amodra@gmail.com>
 
 	* archive.c (_bfd_ar_spacepad, _bfd_ar_sizepad): Use auto buf.

bfd/elf32-microblaze.c

@@ -20,8 +20,6 @@
    Boston, MA 02110-1301, USA.  */
 
 
-int dbg = 0;
-
 #include "sysdep.h"
 #include "bfd.h"
 #include "bfdlink.h"

bfd/elf32-nds32.c

@@ -13336,7 +13336,7 @@ elf32_nds32_check_relax_group (bfd *abfd, asection *asec)
 }
 
 /* Reorder RELAX_GROUP ID when command line option '-r' is applied.  */
-struct section_id_list_t *relax_group_section_id_list = NULL;
+static struct section_id_list_t *relax_group_section_id_list = NULL;
 
 struct section_id_list_t *
 elf32_nds32_lookup_section_id (int id, struct section_id_list_t **lst_ptr)

bfd/som.c

@@ -114,7 +114,7 @@ static unsigned int som_slurp_symbol_table (bfd *);
 
    Note one side effect of using a R_PREV_FIXUP is the relocation that
    is being repeated moves to the front of the queue.  */
-struct reloc_queue
+static struct reloc_queue
 {
   unsigned char *reloc;
   unsigned int size;

bfd/xtensa-isa.c

@@ -24,8 +24,8 @@
 #include "xtensa-isa.h"
 #include "xtensa-isa-internal.h"
 
-xtensa_isa_status xtisa_errno;
-char xtisa_error_msg[1024];
+static xtensa_isa_status xtisa_errno;
+static char xtisa_error_msg[1024];
 
 
 xtensa_isa_status

include/ChangeLog

@@ -1,3 +1,7 @@
+2020-12-18  Alan Modra  <amodra@gmail.com>
+
+	* xtensa-isa-internal.h (xtisa_errno, xtisa_error_msg): Delete.
+
 2020-12-18  Alan Modra  <amodra@gmail.com>
 
 	* opcode/arc-attrs.h (CONFLICT_LIST): Make const.

include/xtensa-isa-internal.h

@@ -228,7 +228,4 @@ typedef struct xtensa_isa_internal_struct
 
 extern int xtensa_isa_name_compare (const void *, const void *);
 
-extern xtensa_isa_status xtisa_errno;
-extern char xtisa_error_msg[];
-
 #endif /* !XTENSA_ISA_INTERNAL_H */