* Many files: Changes to avoid gcc warnings: Add ATTRIBUTE_UNUSED

	as appropriate.  Fill in structure initializations.  Add variable
	initializations.  Add casts.
	* dwarf2dbg.c (print_stats): Change i to size_t.
	* listing.c (listing_listing): Change list_line to unsigned int.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2abd2ee..4d857d2 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,11 @@
+1999-07-11  Ian Lance Taylor  <ian@zembu.com>
+
+       * Many files: Changes to avoid gcc warnings: Add ATTRIBUTE_UNUSED
+       as appropriate.  Fill in structure initializations.  Add variable
+       initializations.  Add casts.
+       * dwarf2dbg.c (print_stats): Change i to size_t.
+       * listing.c (listing_listing): Change list_line to unsigned int.
+
 1999-07-10  Ian Lance Taylor  <ian@zembu.com>
 
        * config/tc-ppc.h (tc_fix_adjustable) [OBJ_ELF]: Call S_IS_LOCAL

diff --git a/gas/app.c b/gas/app.c
index c51c0f0..0494aec 100644 (file)
--- a/gas/app.c
+++ b/gas/app.c
@@ -267,7 +267,7 @@ app_pop (arg)
     saved_input = NULL;
   else
     {
-      assert (saved->saved_input_len <= sizeof input_buffer);
+      assert (saved->saved_input_len <= (int) (sizeof input_buffer));
       memcpy (input_buffer, saved->saved_input, saved->saved_input_len);
       saved_input = input_buffer;
       saved_input_len = saved->saved_input_len;

diff --git a/gas/cond.c b/gas/cond.c
index 434fc66..943c9f6 100644 (file)
--- a/gas/cond.c
+++ b/gas/cond.c
@@ -248,7 +248,7 @@ s_ifc (arg)
 
 void 
 s_endif (arg)
-     int arg;
+     int arg ATTRIBUTE_UNUSED;
 {
   struct conditional_frame *hold;
 
@@ -280,7 +280,7 @@ s_endif (arg)
 
 void 
 s_else (arg)
-     int arg;
+     int arg ATTRIBUTE_UNUSED;
 {
   if (current_cframe == NULL)
     {

diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c
index d5b8168..6feb5c5 100644 (file)
--- a/gas/config/obj-elf.c
+++ b/gas/config/obj-elf.c
@@ -112,7 +112,7 @@ static const pseudo_typeS elf_pseudo_table[] =
   {"text", obj_elf_text, 0},
 
   /* End sentinel.  */
-  {NULL},
+  {NULL, NULL, 0},
 };
 
 static const pseudo_typeS ecoff_debug_pseudo_table[] =
@@ -157,7 +157,7 @@ static const pseudo_typeS ecoff_debug_pseudo_table[] =
   { "vreg",    s_ignore,               0 },
 #endif
 
-  {NULL}                       /* end sentinel */
+  {NULL, NULL, 0}                      /* end sentinel */
 };
 
 #undef NO_RELOC
@@ -301,7 +301,7 @@ obj_elf_common (is_common)
     }
   if (S_GET_VALUE (symbolP) != 0)
     {
-      if (S_GET_VALUE (symbolP) != size)
+      if (S_GET_VALUE (symbolP) != (valueT) size)
        {
          as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."),
                   S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size);
@@ -418,7 +418,7 @@ obj_elf_common (is_common)
 
 static void
 obj_elf_local (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   int c;
@@ -447,7 +447,7 @@ obj_elf_local (ignore)
 
 static void
 obj_elf_weak (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   int c;
@@ -902,7 +902,7 @@ obj_elf_text (i)
 
 static void
 obj_elf_subsection (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   register int temp;
 
@@ -934,7 +934,7 @@ obj_elf_section_change_hook ()
 
 void
 obj_elf_previous (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   segT new_section;
   int new_subsection;
@@ -962,7 +962,7 @@ obj_elf_previous (ignore)
 
 static void
 obj_elf_popsection (xxx)
-     int xxx;
+     int xxx ATTRIBUTE_UNUSED;
 {
   struct section_stack *top = section_stack;
 
@@ -989,7 +989,7 @@ obj_elf_popsection (xxx)
 
 static void
 obj_elf_line (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   /* Assume delimiter is part of expression.  BSD4.2 as fails with
      delightful bug, so we are not being incompatible here. */
@@ -1005,7 +1005,7 @@ obj_elf_line (ignore)
 
 static void
 obj_elf_symver (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   char c;
@@ -1065,6 +1065,7 @@ obj_elf_symver (ignore)
 
 static void
 obj_elf_vtable_inherit (ignore)
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *cname, *pname;
   symbolS *csym, *psym;
@@ -1136,6 +1137,7 @@ obj_elf_vtable_inherit (ignore)
 
 static void
 obj_elf_vtable_entry (ignore)
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   symbolS *sym;
@@ -1197,7 +1199,7 @@ obj_symbol_new_hook (symbolP)
 
 void
 obj_elf_version (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   unsigned int c;
@@ -1264,7 +1266,7 @@ obj_elf_version (ignore)
 
 static void
 obj_elf_size (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name = input_line_pointer;
   char c = get_symbol_end ();
@@ -1320,7 +1322,7 @@ obj_elf_size (ignore)
 
 static void
 obj_elf_type (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   char c;
@@ -1365,7 +1367,7 @@ obj_elf_type (ignore)
 
 static void
 obj_elf_ident (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   static segT comment_section;
   segT old_section = now_seg;
@@ -1425,7 +1427,7 @@ static void
 adjust_stab_sections (abfd, sec, xxx)
      bfd *abfd;
      asection *sec;
-     PTR xxx;
+     PTR xxx ATTRIBUTE_UNUSED;
 {
   char *name;
   asection *strsec;

diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index bcfc5fd..7070995 100644 (file)
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -1257,11 +1257,12 @@ md_assemble (line)
         && (strncmp (mnemonic, "fsub", 4) !=0)
         && (strncmp (mnemonic, "fdiv", 4) !=0))
       {
-        const reg_entry *temp_reg;
-        expressionS *temp_disp;
-        expressionS *temp_imm;
+        const reg_entry *temp_reg = NULL;
+        expressionS *temp_disp = NULL;
+        expressionS *temp_imm = NULL;
         unsigned int temp_type;
-        int xchg1, xchg2;
+        int xchg1 = 0;
+       int xchg2 = 0;
 
         if (i.operands == 2)
           {
@@ -2551,7 +2552,8 @@ i386_immediate (imm_start)
       if (cp != NULL)
         {
          char *tmpbuf;
-         int len, first;
+         int len = 0;
+         int first;
 
          /* GOT relocations are not supported in 16 bit mode */
          if (flag_16bit_code)
@@ -2780,7 +2782,8 @@ i386_displacement (disp_start, disp_end)
       if (cp != NULL)
         {
          char *tmpbuf;
-         int len, first;
+         int len = 0;
+         int first;
 
         /* GOT relocations are not supported in 16 bit mode */
         if (flag_16bit_code)
@@ -3460,8 +3463,8 @@ i386_operand (operand_string)
       int found_base_index_form;
 
       /* Start and end of displacement string expression (if found). */
-      char *displacement_string_start;
-      char *displacement_string_end;
+      char *displacement_string_start = NULL;
+      char *displacement_string_end = NULL;
 
     do_memory_reference:
 
@@ -3772,8 +3775,8 @@ md_convert_frag (headers, sec, fragP)
 #else
 void
 md_convert_frag (abfd, sec, fragP)
-     bfd *abfd;
-     segT sec;
+     bfd *abfd ATTRIBUTE_UNUSED;
+     segT sec ATTRIBUTE_UNUSED;
      register fragS *fragP;
 #endif
 {
@@ -3855,8 +3858,8 @@ void
 md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
      char *ptr;
      addressT from_addr, to_addr;
-     fragS *frag;
-     symbolS *to_symbol;
+     fragS *frag ATTRIBUTE_UNUSED;
+     symbolS *to_symbol ATTRIBUTE_UNUSED;
 {
   long offset;
 
@@ -4188,7 +4191,7 @@ size_t md_longopts_size = sizeof (md_longopts);
 int
 md_parse_option (c, arg)
      int c;
-     char *arg;
+     char *arg ATTRIBUTE_UNUSED;
 {
   switch (c)
     {
@@ -4274,7 +4277,7 @@ md_undefined_symbol (name)
 /* Round up a section size to the appropriate boundary.  */
 valueT
 md_section_align (segment, size)
-     segT segment;
+     segT segment ATTRIBUTE_UNUSED;
      valueT size;
 {
 #ifdef OBJ_AOUT
@@ -4309,7 +4312,7 @@ md_pcrel_from (fixP)
 
 static void
 s_bss (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   register int temp;
 
@@ -4336,7 +4339,7 @@ i386_validate_fix (fixp)
 
 arelent *
 tc_gen_reloc (section, fixp)
-     asection *section;
+     asection *section ATTRIBUTE_UNUSED;
      fixS *fixp;
 {
   arelent *rel;

diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c
index 48e9646..a148972 100644 (file)
--- a/gas/dwarf2dbg.c
+++ b/gas/dwarf2dbg.c
@@ -142,6 +142,34 @@ ls =
     {
       INITIAL_STATE
     },
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    NULL,
+    { NULL, 0, 0, 0, 0 },
+    0,
+    {
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+    }
   };
 
 
@@ -340,7 +368,7 @@ get_filenum (filenum, file)
   int i, last = filenum - 1;
   char char0 = file[0];
 
-  if ((unsigned) last >= ls.num_filenames)
+  if (last >= ls.num_filenames)
     last = ls.last_filename;
 
   /* do a quick check against the previously used filename: */
@@ -386,7 +414,7 @@ dwarf2_gen_line_info (addr, l)
 
   if (filenum > 0 && !l->filename)
     {
-      if (filenum >= ls.num_filenames)
+      if (filenum >= (unsigned int) ls.num_filenames)
        {
          as_warn ("Encountered bad file number in line number debug info!");
          return;
@@ -563,7 +591,8 @@ print_stats (total_size)
       "set_column", "negate_stmt", "set_basic_block", "const_add_pc",
       "fixed_advance_pc"
     };
-  int i, j;
+  size_t i;
+  int j;
 
   fprintf (stderr, "Average size: %g bytes/line\n",
           total_size / (double) ls.num_line_entries);
@@ -658,7 +687,7 @@ dwarf2_finish ()
 
 void
 dwarf2_directive_file (dummy)
-     int dummy;
+     int dummy ATTRIBUTE_UNUSED;
 {
   int len;
 
@@ -685,7 +714,7 @@ dwarf2_directive_file (dummy)
 
 void
 dwarf2_directive_loc (dummy)
-     int dummy;
+     int dummy ATTRIBUTE_UNUSED;
 {
   ls.any_dwarf2_directives = 1;
 

diff --git a/gas/hash.c b/gas/hash.c
index 2906633..0f129fb 100644 (file)
--- a/gas/hash.c
+++ b/gas/hash.c
@@ -374,9 +374,9 @@ hash_traverse (table, pfn)
 
 void
 hash_print_statistics (f, name, table)
-     FILE *f;
-     const char *name;
-     struct hash_control *table;
+     FILE *f ATTRIBUTE_UNUSED;
+     const char *name ATTRIBUTE_UNUSED;
+     struct hash_control *table ATTRIBUTE_UNUSED;
 {
 #ifdef HASH_STATISTICS
   unsigned int i;

diff --git a/gas/listing.c b/gas/listing.c
index acda916..1ab0dde 100644 (file)
--- a/gas/listing.c
+++ b/gas/listing.c
@@ -978,7 +978,7 @@ debugging_pseudo (list, line)
 
 static void
 listing_listing (name)
-     char *name;
+     char *name ATTRIBUTE_UNUSED;
 {
   list_info_type *list = head;
   file_info_type *current_hll_file = (file_info_type *) NULL;
@@ -1006,7 +1006,7 @@ listing_listing (name)
 
   while (list)
     {
-      int list_line;
+      unsigned int list_line;
 
       width = listing_rhs_width > paper_width ? paper_width :
        listing_rhs_width;
@@ -1180,7 +1180,7 @@ listing_file (name)
 
 void
 listing_eject (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   if (listing)
     listing_tail->edict = EDICT_EJECT;
@@ -1188,7 +1188,7 @@ listing_eject (ignore)
 
 void
 listing_flags (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   while ((*input_line_pointer++) && (*input_line_pointer != '\n'))
     input_line_pointer++;
@@ -1261,7 +1261,7 @@ listing_psize (width_only)
 
 void
 listing_nopage (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   paper_height = 0;
 }

diff --git a/gas/read.c b/gas/read.c
index bd471ff..886c028 100644 (file)
--- a/gas/read.c
+++ b/gas/read.c
@@ -419,7 +419,7 @@ static const pseudo_typeS potable[] =
   {"xstabs", s_xstab, 's'},
   {"word", cons, 2},
   {"zero", s_space, 0},
-  {NULL}                       /* end sentinel */
+  {NULL, NULL, 0}                      /* end sentinel */
 };
 
 static int pop_override_ok = 0;
@@ -1147,7 +1147,7 @@ mri_comment_end (stop, stopc)
 
 void 
 s_abort (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   as_fatal (_(".abort detected.  Abandoning ship."));
 }
@@ -1337,7 +1337,7 @@ s_align_ptwo (arg)
 
 void 
 s_comm (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   register char *name;
   register char c;
@@ -1419,7 +1419,7 @@ s_comm (ignore)
 
 void
 s_mri_common (small)
-     int small;
+     int small ATTRIBUTE_UNUSED;
 {
   char *name;
   char c;
@@ -1518,7 +1518,7 @@ s_mri_common (small)
 
 void
 s_data (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   segT section;
   register int temp;
@@ -1592,7 +1592,7 @@ s_app_file (appfile)
 
 void
 s_app_line (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   int l;
 
@@ -1618,7 +1618,7 @@ s_app_line (ignore)
 
 void
 s_end (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   if (flag_mri)
     {
@@ -1636,7 +1636,7 @@ s_end (ignore)
 
 void
 s_err (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   as_bad (_(".err encountered"));
   demand_empty_rest_of_line ();
@@ -1646,7 +1646,7 @@ s_err (ignore)
 
 void
 s_fail (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   offsetT temp;
   char *stop = NULL;
@@ -1669,7 +1669,7 @@ s_fail (ignore)
 
 void 
 s_fill (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   expressionS rep_exp;
   long size = 1;
@@ -1766,7 +1766,7 @@ s_fill (ignore)
 
 void 
 s_globl (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *name;
   int c;
@@ -1841,7 +1841,7 @@ s_irp (irpc)
 
 void
 s_linkonce (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   enum linkonce_type type;
 
@@ -2119,7 +2119,7 @@ void s_lcomm_bytes (needs_align)
 
 void 
 s_lsym (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   register char *name;
   register char c;
@@ -2241,7 +2241,7 @@ get_line_sb (line)
 
 void
 s_macro (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *file;
   unsigned int line;
@@ -2293,7 +2293,7 @@ s_macro (ignore)
 
 void
 s_mexit (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   cond_exit_macro (macro_nest);
   buffer_limit = input_scrub_next_buffer (&input_line_pointer);
@@ -2303,7 +2303,7 @@ s_mexit (ignore)
 
 void
 s_mri (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   int on, old_flag;
 
@@ -2371,7 +2371,7 @@ do_org (segment, exp, fill)
 
 void 
 s_org (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   register segT segment;
   expressionS exp;
@@ -2427,7 +2427,7 @@ s_org (ignore)
 
 void
 s_mri_sect (type)
-     char *type;
+     char *type ATTRIBUTE_UNUSED;
 {
 #ifdef TC_M68K
 
@@ -2591,7 +2591,7 @@ s_mri_sect (type)
 
 void
 s_print (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *s;
   int len;
@@ -2605,7 +2605,7 @@ s_print (ignore)
 
 void
 s_purgem (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   if (is_it_end_of_statement ())
     {
@@ -2635,7 +2635,7 @@ s_purgem (ignore)
 
 void
 s_rept (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   int count;
   sb one;
@@ -3007,7 +3007,7 @@ s_float_space (float_type)
 
 void
 s_struct (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   char *stop = NULL;
   char stopc;
@@ -3023,7 +3023,7 @@ s_struct (ignore)
 
 void
 s_text (ignore)
-     int ignore;
+     int ignore ATTRIBUTE_UNUSED;
 {
   register int temp;
 
@@ -4832,7 +4832,7 @@ equals (sym_name, reassign)
 /* ARGSUSED */
 void 
 s_include (arg)
-     int arg;
+     int arg ATTRIBUTE_UNUSED;
 {
   char *newbuf;
   char *filename;
@@ -5054,7 +5054,7 @@ do_s_func (end_p, default_prefix)
 \f
 void 
 s_ignore (arg)
-     int arg;
+     int arg ATTRIBUTE_UNUSED;
 {
   while (!is_end_of_line[(unsigned char) *input_line_pointer])
     {

diff --git a/gas/stabs.c b/gas/stabs.c
index 11d4655..c8d9a0b 100644 (file)
--- a/gas/stabs.c
+++ b/gas/stabs.c
@@ -609,7 +609,7 @@ stabs_generate_asm_func (funcname, startlabname)
 
 void
 stabs_generate_asm_endfunc (funcname, startlabname)
-     const char *funcname;
+     const char *funcname ATTRIBUTE_UNUSED;
      const char *startlabname;
 {
   static int label_count;

diff --git a/gas/symbols.c b/gas/symbols.c
index dae202f..49cf3d9 100644 (file)
--- a/gas/symbols.c
+++ b/gas/symbols.c
@@ -771,7 +771,7 @@ symbol_insert (addme, target, rootPP, lastPP)
      symbolS *addme;
      symbolS *target;
      symbolS **rootPP;
-     symbolS **lastPP;
+     symbolS **lastPP ATTRIBUTE_UNUSED;
 {
   if (LOCAL_SYMBOL_CHECK (addme))
     abort ();
@@ -1190,7 +1190,7 @@ static void resolve_local_symbol PARAMS ((const char *, PTR));
 
 static void
 resolve_local_symbol (key, value)
-     const char *key;
+     const char *key ATTRIBUTE_UNUSED;
      PTR value;
 {
   if (value != NULL)

diff --git a/gas/write.c b/gas/write.c
index d0a9ac6..ed74709 100644 (file)
--- a/gas/write.c
+++ b/gas/write.c
@@ -382,7 +382,7 @@ record_alignment (seg, align)
 
 static void
 renumber_sections (abfd, sec, countparg)
-     bfd *abfd;
+     bfd *abfd ATTRIBUTE_UNUSED;
      asection *sec;
      PTR countparg;
 {
@@ -433,9 +433,9 @@ chain_frchains_together_1 (section, frchp)
 
 static void
 chain_frchains_together (abfd, section, xxx)
-     bfd *abfd;                        /* unused */
+     bfd *abfd ATTRIBUTE_UNUSED;
      segT section;
-     PTR xxx;                  /* unused */
+     PTR xxx ATTRIBUTE_UNUSED;
 {
   segment_info_type *info;
 
@@ -578,7 +578,7 @@ static void
 relax_and_size_seg (abfd, sec, xxx)
      bfd *abfd;
      asection *sec;
-     PTR xxx;
+     PTR xxx ATTRIBUTE_UNUSED;
 {
   flagword flags;
   fragS *fragp;
@@ -688,9 +688,9 @@ dump_section_relocs (abfd, sec, stream_)
 
 static void
 adjust_reloc_syms (abfd, sec, xxx)
-     bfd *abfd;
+     bfd *abfd ATTRIBUTE_UNUSED;
      asection *sec;
-     PTR xxx;
+     PTR xxx ATTRIBUTE_UNUSED;
 {
   segment_info_type *seginfo = seg_info (sec);
   fixS *fixp;
@@ -889,7 +889,7 @@ static void
 write_relocs (abfd, sec, xxx)
      bfd *abfd;
      asection *sec;
-     PTR xxx;
+     PTR xxx ATTRIBUTE_UNUSED;
 {
   segment_info_type *seginfo = seg_info (sec);
   int i;
@@ -1088,9 +1088,9 @@ write_relocs (abfd, sec, xxx)
 
 static void
 write_contents (abfd, sec, xxx)
-     bfd *abfd;
+     bfd *abfd ATTRIBUTE_UNUSED;
      asection *sec;
-     PTR xxx;
+     PTR xxx ATTRIBUTE_UNUSED;
 {
   segment_info_type *seginfo = seg_info (sec);
   unsigned long offset = 0;
@@ -2769,7 +2769,8 @@ fixup_segment (fixP, this_segment_type)
        }                       /* not a bit fix */
 
 #ifdef TC_VALIDATE_FIX
-    skip: ;
+    skip:  ATTRIBUTE_UNUSED_LABEL
+      ;
 #endif
 #ifdef DEBUG5
       fprintf (stderr, "result:\n");