sim-raw-stdio.patch

microwindows移植到S3C44B0的源码

diff -up sim/common/sim-options.c.\~1\~ sim/common/sim-options.c
--- sim/common/sim-options.c.~1~	Thu Oct  5 19:59:52 2000
+++ sim/common/sim-options.c	Tue Sep  4 13:50:12 2001
@@ -1,5 +1,5 @@
 /* Simulator option handling.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2001 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
 
 This file is part of GDB, the GNU debugger.
@@ -111,6 +111,7 @@ typedef enum {
 #ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir.  */
   OPTION_H8300,
 #endif
+  OPTION_STDIO,
 } STANDARD_OPTIONS;
 
 static const OPTION standard_options[] =
@@ -182,6 +183,10 @@ static const OPTION standard_options[] =
       '\0', "BFDNAME", "Specify the object-code format for the object files",
       standard_option_handler },
 
+  { {"stdio", required_argument, NULL, OPTION_STDIO},
+    '\0', "on|off", "Turn special treatment of stdio on or off",
+    standard_option_handler},
+
   { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
 };
 
@@ -399,6 +404,18 @@ standard_option_handler (SIM_DESC sd, si
       if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
 	exit (0);
       /* FIXME: 'twould be nice to do something similar if gdb.  */
+      break;
+
+    case OPTION_STDIO:
+      if (strcmp (arg, "on") == 0)
+	current_stdio = DO_USE_STDIO;
+      else if (strcmp (arg, "off") == 0)
+	current_stdio = DONT_USE_STDIO;
+      else
+	{
+	  sim_io_eprintf (sd, "Argument `%s' for `--stdio' invalid, `on' or `off' expected\n", arg);
+	  return SIM_RC_FAIL;
+	}
       break;
     }
 
diff -up sim/common/callback.c.\~1\~ sim/common/callback.c
--- sim/common/callback.c.~1~	Thu Oct  5 19:59:52 2000
+++ sim/common/callback.c	Tue Sep  4 14:46:50 2001
@@ -289,18 +289,7 @@ os_write (p, fd, buf, len)
   if (result)
     return result;
   real_fd = fdmap (p, fd);
-  switch (real_fd)
-    {
-    default:
-      result = wrap (p, write (real_fd, buf, len));
-      break;
-    case 1:
-      result = p->write_stdout (p, buf, len);
-      break;
-    case 2:
-      result = p->write_stderr (p, buf, len);
-      break;
-    }
+  result = wrap (p, write (real_fd, buf, len));
   return result;
 }