Add new option to objcopy: --verilog-data-width. Use this option to set the size of byte bundles generated in verilog format files.

	PR 19921
binutils* objcopy.c: Add new option --verilog-data-width.  Use it to set
	the value of VerilogDataWidth.
	* doc/binutils.texi: Document the new option.
	* testsuite/binutils-all/objcopy.exp: Run tests of new option.
	* testsuite/binutils-all/verilog-1.hex: New file.
	* testsuite/binutils-all/verilog-2.hex: New file.
	* testsuite/binutils-all/verilog-4.hex: New file.
	* testsuite/binutils-all/verilog-8.hex: New file.
	* NEWS: Mention the new feature.

bfd	* verilog.c: (VerilogDataWidth): New variable.
	(verilog_write_record): Emit bytes in VerilogDataWidth bundles.

1 files changed, 14 insertions, 0 deletions

diff --git a/binutils/objcopy.c b/binutils/objcopy.c
index 673e1f6..28b9d3b 100644
--- a/binutils/objcopy.c
+++ b/binutils/objcopy.c
@@ -357,6 +357,7 @@ enum command_line_switch
   OPTION_STRIP_UNNEEDED_SYMBOLS,
   OPTION_SUBSYSTEM,
   OPTION_UPDATE_SECTION,
+  OPTION_VERILOG_DATA_WIDTH,
   OPTION_WEAKEN,
   OPTION_WEAKEN_SYMBOLS,
   OPTION_WRITABLE_TEXT
@@ -493,6 +494,7 @@ static struct option copy_options[] =
   {"target", required_argument, 0, 'F'},
   {"update-section", required_argument, 0, OPTION_UPDATE_SECTION},
   {"verbose", no_argument, 0, 'v'},
+  {"verilog-data-width", required_argument, 0, OPTION_VERILOG_DATA_WIDTH},
   {"version", no_argument, 0, 'V'},
   {"weaken", no_argument, 0, OPTION_WEAKEN},
   {"weaken-symbol", required_argument, 0, 'W'},
@@ -519,6 +521,11 @@ extern unsigned int _bfd_srec_len;
    on by the --srec-forceS3 command line switch.  */
 extern bfd_boolean _bfd_srec_forceS3;
 
+/* Width of data in bytes for verilog output.
+   This variable is declared in bfd/verilog.c and can be modified by
+   the --verilog-data-width parameter.  */
+extern unsigned int VerilogDataWidth;
+
 /* Forward declarations.  */
 static void setup_section (bfd *, asection *, void *);
 static void setup_bfd_headers (bfd *, bfd *);
@@ -653,6 +660,7 @@ copy_usage (FILE *stream, int exit_status)
      --decompress-debug-sections   Decompress DWARF debug sections using zlib\n\
      --elf-stt-common=[yes|no]     Generate ELF common symbols with STT_COMMON\n\
                                      type\n\
+     --verilog-data-width <number> Specifies data width, in bytes, for verilog output\n\
   -M  --merge-notes                Remove redundant entries in note sections\n\
       --no-merge-notes             Do not attempt to remove redundant notes (default)\n\
   -v --verbose                     List all object files modified\n\
@@ -5478,6 +5486,12 @@ copy_main (int argc, char *argv[])
 	  }
 	  break;
 
+	case OPTION_VERILOG_DATA_WIDTH:
+	  VerilogDataWidth = parse_vma (optarg, "--verilog-data-width");
+	  if (VerilogDataWidth < 1)
+	    fatal (_("verilog data width must be at least 1 byte"));
+	  break;
+
 	case 0:
 	  /* We've been given a long option.  */
 	  break;