Add option architecture-info to list supported architectures.

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 8c2db64..e9c399b 100644 (file)
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep 10 13:23:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+       * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
+       (standard_option_handler): Handle --architecture-info.
+
 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 
        * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid

diff --git a/sim/common/sim-options.c b/sim/common/sim-options.c
index 8e8cb2f..17c1402 100644 (file)
--- a/sim/common/sim-options.c
+++ b/sim/common/sim-options.c
@@ -88,6 +88,7 @@ static DECLARE_OPTION_HANDLER (standard_option_handler);
 #define OPTION_DO_COMMAND      (OPTION_START + 2)
 #define OPTION_ARCHITECTURE     (OPTION_START + 3)
 #define OPTION_TARGET           (OPTION_START + 4)
+#define OPTION_ARCHITECTURE_INFO (OPTION_START + 5)
 
 static const OPTION standard_options[] =
 {
@@ -134,6 +135,12 @@ static const OPTION standard_options[] =
   { {"architecture", required_argument, NULL, OPTION_ARCHITECTURE},
       '\0', "MACHINE", "Specify the architecture to use",
       standard_option_handler },
+  { {"architecture-info", no_argument, NULL, OPTION_ARCHITECTURE_INFO},
+      '\0', NULL, "List supported architectures",
+      standard_option_handler },
+  { {"info-architecture", no_argument, NULL, OPTION_ARCHITECTURE_INFO},
+      '\0', NULL, NULL,
+      standard_option_handler },
 
   { {"target", required_argument, NULL, OPTION_TARGET},
       '\0', "BFDNAME", "Specify the object-code format for the object files",
@@ -262,6 +269,20 @@ standard_option_handler (sd, opt, arg, is_command)
        break;
       }
 
+    case OPTION_ARCHITECTURE_INFO:
+      {
+       const char **list = bfd_arch_list();
+       const char **lp;
+       if (list == NULL)
+         abort ();
+       sim_io_printf (sd, "Valid architectures:");
+       for (lp = list; *lp != NULL; lp++)
+         sim_io_printf (sd, " %s", *lp);
+       sim_io_printf (sd, "\n");
+       free (list);
+       break;
+      }
+
     case OPTION_TARGET:
       {
        STATE_TARGET (sd) = xstrdup (arg);