[binutils-gdb] sim: add --info-target for listing supported BFD targets

[binutils-gdb] sim: add --info-target for listing supported BFD targets

[Michael Frysinger]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=adc82fdb715184fa8e9acf47179e67acc82b8375

commit adc82fdb715184fa8e9acf47179e67acc82b8375
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Mon Oct 4 02:11:21 2021 -0400

    sim: add --info-target for listing supported BFD targets
    
    It can be difficult to guess the exact bfd name, so add an option to
    list all the targets that the current build supports.  This aligns with
    other simulator options like --info-architecture.

Diff:
---
 sim/common/sim-options.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/sim/common/sim-options.c b/sim/common/sim-options.c
index e6d1107f7c5..e82ac33fe76 100644
--- a/sim/common/sim-options.c
+++ b/sim/common/sim-options.c
@@ -93,6 +93,7 @@ typedef enum {
   OPTION_DO_COMMAND,
   OPTION_ARCHITECTURE,
   OPTION_TARGET,
+  OPTION_TARGET_INFO,
   OPTION_ARCHITECTURE_INFO,
   OPTION_ENVIRONMENT,
   OPTION_ALIGNMENT,
@@ -161,6 +162,10 @@ static const OPTION standard_options[] =
   { {"target", required_argument, NULL, OPTION_TARGET},
       '\0', "BFDNAME", "Specify the object-code format for the object files",
       standard_option_handler },
+  { {"target-info", no_argument, NULL, OPTION_TARGET_INFO},
+      '\0', NULL, "List supported targets", standard_option_handler },
+  { {"info-target", no_argument, NULL, OPTION_TARGET_INFO},
+      '\0', NULL, NULL, standard_option_handler },
 
   { {"load-lma", no_argument, NULL, OPTION_LOAD_LMA},
       '\0', NULL,
@@ -365,6 +370,20 @@ standard_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
 	break;
       }
 
+    case OPTION_TARGET_INFO:
+      {
+	const char **list = bfd_target_list ();
+	const char **lp;
+	if (list == NULL)
+	  abort ();
+	sim_io_printf (sd, "Possible targets:");
+	for (lp = list; *lp != NULL; lp++)
+	  sim_io_printf (sd, " %s", *lp);
+	sim_io_printf (sd, "\n");
+	free (list);
+	break;
+      }
+
     case OPTION_LOAD_LMA:
       {
 	STATE_LOAD_AT_LMA_P (sd) = 1;