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[deliverable/binutils-gdb.git] / gdb / main.c

diff --git a/gdb/main.c b/gdb/main.c
index 559c521c947cceec2f2977037b51e395e9d8667e..5a06017ac887aee325c305fc5ab749e10c91da2d 100644 (file)
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -73,10 +73,10 @@ struct ui_file *gdb_stdout;
 struct ui_file *gdb_stderr;
 struct ui_file *gdb_stdlog;
 struct ui_file *gdb_stdtarg;
-
-/* Used to initialize error() - defined in utils.c */
-
-extern void error_init (void);
+struct ui_file *gdb_stdin;
+/* target IO streams */
+struct ui_file *gdb_stdtargin;
+struct ui_file *gdb_stdtargerr;
 
 /* Whether to enable writing into executable and core files */
 extern int write_files;
@@ -168,6 +168,10 @@ captured_main (void *data)
   /* This needs to happen before the first use of malloc.  */
   init_malloc (NULL);
 
+#ifdef HAVE_SBRK
+  lim_at_start = (char *) sbrk (0);
+#endif
+
 #if defined (ALIGN_STACK_ON_STARTUP)
   i = (int) &count & 0x3;
   if (i != 0)
@@ -193,6 +197,9 @@ captured_main (void *data)
   gdb_stderr = stdio_fileopen (stderr);
   gdb_stdlog = gdb_stderr;     /* for moment */
   gdb_stdtarg = gdb_stderr;    /* for moment */
+  gdb_stdin = stdio_fileopen (stdin);
+  gdb_stdtargerr = gdb_stderr; /* for moment */
+  gdb_stdtargin = gdb_stdin;   /* for moment */
 
   /* initialize error() */
   error_init ();
@@ -570,11 +577,7 @@ extern int gdbtk_test (char *);
     /* Find it.  */
     struct interp *interp = interp_lookup (interpreter_p);
     if (interp == NULL)
-      {
-        fprintf_unfiltered (gdb_stderr, "Interpreter `%s' unrecognized.\n",
-                            interpreter_p);
-        exit (1);
-      }
+      error ("Interpreter `%s' unrecognized", interpreter_p);
     /* Install it.  */
     if (!interp_set (interp))
       {
@@ -815,7 +818,9 @@ gdb_main (struct captured_main_args *args)
 {
   use_windows = args->use_windows;
   catch_errors (captured_main, args, "", RETURN_MASK_ALL);
-  return 0;
+  /* The only way to end up here is by an error (normal exit is
+     handled by quit_force()), hence always return an error status.  */
+  return 1;
 }