Added new option --target-help.

6 files changed, 36 insertions, 2 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5905749..d174be8 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2000-10-17  Chandrakala Chavva  <cchavva@redhat.com>
+
+	* as.c: New option OPTION_TARGET_HELP. Prints all target specific
+	options.
+	* doc/as.texinfo: Added notes about this new option.
+
 2000-10-16  Hans-Peter Nilsson  <hp@bitrange.com>
 
 	* config/tc-sh.c (JREG): Remove.
diff --git a/gas/as.c b/gas/as.c
index 425829e..dab9d25 100644
--- a/gas/as.c
+++ b/gas/as.c
@@ -264,6 +264,8 @@ Options:\n\
   fprintf (stream, _("\
   --help                  show this message and exit\n"));
   fprintf (stream, _("\
+  --target-help           show target specific options\n"));
+  fprintf (stream, _("\
   -I DIR                  add DIR to search list for .include directives\n"));
   fprintf (stream, _("\
   -J                      don't warn about signed overflow\n"));
@@ -416,7 +418,9 @@ parse_args (pargc, pargv)
     {"no-warn", no_argument, NULL, 'W'},
 #define OPTION_WARN (OPTION_STD_BASE + 18)
     {"warn", no_argument, NULL, OPTION_WARN},
-#define OPTION_WARN_FATAL (OPTION_STD_BASE + 19)
+#define OPTION_TARGET_HELP (OPTION_STD_BASE + 19)
+    {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
+#define OPTION_WARN_FATAL (OPTION_STD_BASE + 20)
     {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
   };
 
@@ -491,6 +495,10 @@ parse_args (pargc, pargv)
 	  new_argv[new_argc++] = optarg;
 	  new_argv[new_argc] = NULL;
 	  break;
+	
+	case OPTION_TARGET_HELP:
+          md_show_usage (stdout);
+          exit (EXIT_SUCCESS);
 
 	case OPTION_HELP:
 	  show_usage (stdout);
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index 110d23a..88c447c 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -205,7 +205,7 @@ Here is a brief summary of how to invoke @code{@value{AS}}.  For details,
  [ -f ] [ --gstabs ] [ --gdwarf2 ] [ --help ] [ -I @var{dir} ] [ -J ] [ -K ] [ -L ]
  [ --keep-locals ] [ -o @var{objfile} ] [ -R ] [ --statistics ] [ -v ]
  [ -version ] [ --version ] [ -W ] [ --warn ] [ --fatal-warnings ] 
- [ -w ] [ -x ] [ -Z ]
+ [ -w ] [ -x ] [ -Z ] [ --target-help ]
 @ifset A29K
 @c am29k has no machine-dependent assembler options
 @end ifset
@@ -343,6 +343,9 @@ may help debugging assembler code, if the debugger can handle it.
 @item --help
 Print a summary of the command line options and exit.
 
+@item --target-help
+Print a summary of all target specific options and exit.
+
 @item -I @var{dir}
 Add directory @var{dir} to the search list for @code{.include} directives.
 
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 02ffadc..1ec8006 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2000-10-17  Chandrakala Chavva  <cchavva@redhat.com>
+
+        * lexsup.c: New option OPTION_TARGET_HELP. Prints all target specific
+        options.
+        * ld.texinfo: Added notes about this new option.
+
 2000-10-16  Nick Clifton  <nickc@redhat.com>
 
 	* emultempl/pe.em (_after_open): Add tests of return values from
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 0b898ec..156ac6c 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -919,6 +919,10 @@ specifying @samp{--no-gc-sections} on the command line.
 @item --help
 Print a summary of the command-line options on the standard output and exit.
 
+@kindex --target-help
+@item --target-help
+Print a summary of all target specific options on the standard output and exit.
+
 @kindex -Map
 @item -Map @var{mapfile}
 Print a link map to the file @var{mapfile}.  See the description of the
diff --git a/ld/lexsup.c b/ld/lexsup.c
index 57735d4..35ed3c0 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -126,6 +126,7 @@ int parsing_defsym = 0;
 #define OPTION_FINI                     (OPTION_INIT + 1)
 #define OPTION_SECTION_START		(OPTION_FINI + 1)
 #define OPTION_UNIQUE			(OPTION_SECTION_START + 1)
+#define OPTION_TARGET_HELP              (OPTION_UNIQUE + 1)
 
 /* The long options.  This structure is used for both the option
    parsing and the help text.  */
@@ -332,6 +333,8 @@ static const struct ld_option ld_options[] = {
       '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"), TWO_DASHES },
   { {"stats", no_argument, NULL, OPTION_STATS},
       '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
+  { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
+      '\0', NULL, N_("Display target specific options"), TWO_DASHES },
   { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
       '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
   { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
@@ -892,6 +895,10 @@ parse_args (argc, argv)
 	    set_section_start (sec_name, optarg2);
 	  }
 	  break;
+	case OPTION_TARGET_HELP:
+	  /* Mention any target specific options.  */
+          ldemul_list_emulation_options (stdout);
+          exit (0);
 	case OPTION_TBSS:
 	  set_section_start (".bss", optarg);
 	  break;