Fix compile time warnings building the binutils with gcc 7.1.1.

bfd	* elf32-xtensa.c (elf_xtensa_get_plt_section): Increase length of
	plt_name buffer.
	(elf_xtensa_get_gotplt_section): Increase length of got_name
	buffer.
	* mach-o-arm.c (bfd_mach_o_arm_canonicalize_one_reloc): Add a
	default return of FALSE.
	* mach-o-i386.c (bfd_mach_o_i386_canonicalize_one_reloc): Add a
	default return of FALSE.

binutils * dwarf.c (dwarf_vmatoa_1): Do not pass a NULL string pointer to
	sprintf.
	* srconv.c (walk_tree_type): Initialise the spare field of the
	IT_dty structure.

gas	* config/tc-pru.c (md_assemble): Add continue statement after
	handling 'E' operand character.
	* config/tc-v850.c (md_assemble): Initialise the 'insn' variable.

3 files changed, 18 insertions, 10 deletions

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 254be5e..1a9c39f 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,11 @@
+2017-07-12  Nick Clifton  <nickc@redhat.com>
+
+	Fix compile time warnings using gcc 7.1.1.
+	* dwarf.c (dwarf_vmatoa_1): Do not pass a NULL string pointer to
+	sprintf.
+	* srconv.c (walk_tree_type): Initialise the spare field of the
+	IT_dty structure.
+
 2017-07-11  Andreas Schwab  <schwab@suse.de>
 
 	* readelf.c (process_note): Print newline after description data
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 386cc17..5f8922e 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -217,7 +217,10 @@ dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
     {
       char fmt[32];
 
-      sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
+      if (fmtch)
+	sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
+      else
+	sprintf (fmt, "%%%s", DWARF_VMA_FMT);
       snprintf (ret, sizeof (buf[0].place), fmt, value);
       return ret;
     }
diff --git a/binutils/srconv.c b/binutils/srconv.c
index 87c503d..a033bc8 100644
--- a/binutils/srconv.c
+++ b/binutils/srconv.c
@@ -874,13 +874,14 @@ static void
 walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
 		struct coff_type *type, int nest)
 {
-  if (symbol->type->type == coff_function_type)
-    {
-      struct IT_dty dty;
+  struct IT_dty dty;
 
-      dty.end = 0;
-      dty.neg = 0x1001;
+  dty.spare = 0;
+  dty.end = 0;
+  dty.neg = 0x1001;
 
+  if (symbol->type->type == coff_function_type)
+    {
       sysroff_swap_dty_out (file, &dty);
       walk_tree_type_1 (sfile, symbol, type, nest);
       dty.end = 1;
@@ -906,10 +907,6 @@ walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
     }
   else
     {
-      struct IT_dty dty;
-
-      dty.end = 0;
-      dty.neg = 0x1001;
       sysroff_swap_dty_out (file, &dty);
       walk_tree_type_1 (sfile, symbol, type, nest);
       dty.end = 1;