C++ comments

binutils isn't c99 (yet).  This replaces or removes some C++ style
comments.

bfd/
	* arc-got.h: Use C style comments.
	* coff-z80.c: Likewise.
	* elf32-csky.c: Likewise.
	* peXXigen.c: Likewise.
	* elf32-m32c.c (m32c_elf_relax_delete_bytes): Remove commented out
	code.
binutils/
	* dwarf.c: Use C style comments.
	* resrc.c: Likewise.
gas/
	* config/tc-s12z.c: Use C style comments.
	* config/tc-z80.c: Likewise.
	* config/tc-xtensa.c (emit_ld_r_n): Remove commented out code.
include/
	* coff/internal.h: Use C style comments.
	* coff/pe.h: Likewise.
	* elf/ppc64.h: Likewise.
opcodes/
	* arm-dis.c: Use C style comments.
	* cr16-opc.c: Likewise.
	* ft32-dis.c: Likewise.
	* moxie-opc.c: Likewise.
	* tic54x-dis.c: Likewise.
	* s12z-opc.c: Remove useless comment.
	* xgate-dis.c: Likewise.

6 files changed, 19 insertions, 11 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7b6375a..4a87b3b 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2020-06-29  Alan Modra  <amodra@gmail.com>
+
+	* arc-got.h: Use C style comments.
+	* coff-z80.c: Likewise.
+	* elf32-csky.c: Likewise.
+	* peXXigen.c: Likewise.
+	* elf32-m32c.c (m32c_elf_relax_delete_bytes): Remove commented out
+	code.
+
 2020-06-26  Pat Bernardi  <bernardi@adacore.com>
 
 	* elf32-m68k.c (m68k_elf_merge_obj_attributes): New function.
diff --git a/bfd/arc-got.h b/bfd/arc-got.h
index 762d84d..8053a2d 100644
--- a/bfd/arc-got.h
+++ b/bfd/arc-got.h
@@ -296,7 +296,7 @@ relocate_fix_got_relocs_for_got_info (struct got_entry **	   list_p,
 
       if (h != NULL)
 	{
-	  // TODO: This should not be here.
+	  /* TODO: This should not be here.  */
 	  reloc_data->sym_value = h->root.u.def.value;
 	  reloc_data->sym_section = h->root.u.def.section;
 
diff --git a/bfd/coff-z80.c b/bfd/coff-z80.c
index 8913fb5..16f83cf 100644
--- a/bfd/coff-z80.c
+++ b/bfd/coff-z80.c
@@ -373,7 +373,7 @@ extra_case (bfd *in_abfd,
     case R_IMM8:
       if (reloc->howto->partial_inplace)
         val += bfd_get_8 ( in_abfd, data+*src_ptr) & reloc->howto->src_mask;
-      //fallthrough
+      /* Fall through.  */
     case R_BYTE0:
       bfd_put_8 (in_abfd, val, data + *dst_ptr);
       (*dst_ptr) += 1;
@@ -389,7 +389,7 @@ extra_case (bfd *in_abfd,
     case R_IMM16:
       if (reloc->howto->partial_inplace)
         val += bfd_get_16 ( in_abfd, data+*src_ptr) & reloc->howto->src_mask;
-      //fallthrough
+      /* Fall through.  */
     case R_WORD0:
       bfd_put_16 (in_abfd, val, data + *dst_ptr);
       (*dst_ptr) += 2;
diff --git a/bfd/elf32-csky.c b/bfd/elf32-csky.c
index ea58e14..669284b 100644
--- a/bfd/elf32-csky.c
+++ b/bfd/elf32-csky.c
@@ -3738,8 +3738,8 @@ csky_relocate_contents (reloc_howto_type *howto,
 
   /* FIXME: these macros should be defined at file head or head file head.  */
 #define CSKY_INSN_ADDI_TO_SUBI        0x04000000
-#define CSKY_INSN_MOV_RTB             0xc41d4820   // mov32 rx, r29, 0
-#define CSKY_INSN_MOV_RDB             0xc41c4820   // mov32 rx, r28, 0
+#define CSKY_INSN_MOV_RTB             0xc41d4820   /* mov32 rx, r29, 0 */
+#define CSKY_INSN_MOV_RDB             0xc41c4820   /* mov32 rx, r28, 0 */
 #define CSKY_INSN_GET_ADDI_RZ(x)      (((x) & 0x03e00000) >> 21)
 #define CSKY_INSN_SET_MOV_RZ(x)       ((x) & 0x0000001f)
 #define CSKY_INSN_JSRI_TO_LRW         0xea9a0000
diff --git a/bfd/elf32-m32c.c b/bfd/elf32-m32c.c
index 7a97d6d..d839f62 100644
--- a/bfd/elf32-m32c.c
+++ b/bfd/elf32-m32c.c
@@ -2072,7 +2072,6 @@ m32c_elf_relax_delete_bytes
   symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
 	      - symtab_hdr->sh_info);
   sym_hashes = elf_sym_hashes (abfd);
-  //  sym_hashes += symtab_hdr->sh_info;
   end_hashes = sym_hashes + symcount;
 
   for (; sym_hashes < end_hashes; sym_hashes ++)
diff --git a/bfd/peXXigen.c b/bfd/peXXigen.c
index c33c495..b3b6808 100644
--- a/bfd/peXXigen.c
+++ b/bfd/peXXigen.c
@@ -1176,7 +1176,7 @@ _bfd_XXi_slurp_codeview_record (bfd * abfd, file_ptr where, unsigned long length
       memcpy (&(cvinfo->Signature[8]), &(cvinfo70->Signature[8]), 8);
 
       cvinfo->SignatureLength = CV_INFO_SIGNATURE_LENGTH;
-      // cvinfo->PdbFileName = cvinfo70->PdbFileName;
+      /* cvinfo->PdbFileName = cvinfo70->PdbFileName;  */
 
       return cvinfo;
     }
@@ -1187,7 +1187,7 @@ _bfd_XXi_slurp_codeview_record (bfd * abfd, file_ptr where, unsigned long length
       cvinfo->Age = H_GET_32(abfd, cvinfo20->Age);
       memcpy (cvinfo->Signature, cvinfo20->Signature, 4);
       cvinfo->SignatureLength = 4;
-      // cvinfo->PdbFileName = cvinfo20->PdbFileName;
+      /* cvinfo->PdbFileName = cvinfo20->PdbFileName;  */
 
       return cvinfo;
     }
@@ -2929,7 +2929,7 @@ _bfd_XX_print_private_bfd_data_common (bfd * abfd, void * vfile)
     case IMAGE_SUBSYSTEM_WINDOWS_CE_GUI:
       subsystem_name = "Wince CUI";
       break;
-    // These are from UEFI Platform Initialization Specification 1.1.
+    /* These are from UEFI Platform Initialization Specification 1.1.  */
     case IMAGE_SUBSYSTEM_EFI_APPLICATION:
       subsystem_name = "EFI application";
       break;
@@ -2942,11 +2942,11 @@ _bfd_XX_print_private_bfd_data_common (bfd * abfd, void * vfile)
     case IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:
       subsystem_name = "SAL runtime driver";
       break;
-    // This is from revision 8.0 of the MS PE/COFF spec
+    /* This is from revision 8.0 of the MS PE/COFF spec  */
     case IMAGE_SUBSYSTEM_XBOX:
       subsystem_name = "XBOX";
       break;
-    // Added default case for clarity - subsystem_name is NULL anyway.
+    /* Added default case for clarity - subsystem_name is NULL anyway.  */
     default:
       subsystem_name = NULL;
     }