--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/rtinit.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,388 @@
+/****************************************************************************
+ *                                                                          *
+ *                         GNAT COMPILER COMPONENTS                         *
+ *                                                                          *
+ *                           I N I T I A L I Z E                            *
+ *                                                                          *
+ *                          C Implementation File                           *
+ *                                                                          *
+ *            Copyright (C) 2014-2016, Free Software Foundation, Inc.       *
+ *                                                                          *
+ * GNAT is free software;  you can  redistribute it  and/or modify it under *
+ * terms of the  GNU General Public License as published  by the Free Soft- *
+ * ware  Foundation;  either version 3,  or (at your option) any later ver- *
+ * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
+ * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
+ * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
+ *                                                                          *
+ * As a special exception under Section 7 of GPL version 3, you are granted *
+ * additional permissions described in the GCC Runtime Library Exception,   *
+ * version 3.1, as published by the Free Software Foundation.               *
+ *                                                                          *
+ * You should have received a copy of the GNU General Public License and    *
+ * a copy of the GCC Runtime Library Exception along with this program;     *
+ * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
+ * <http://www.gnu.org/licenses/>.                                          *
+ *                                                                          *
+ * GNAT was originally developed  by the GNAT team at  New York University. *
+ * Extensive contributions were provided by Ada Core Technologies Inc.      *
+ *                                                                          *
+ ****************************************************************************/
+
+/*  This unit provides implementation for __gnat_runtime_initialize ()
+    which is called in adainit() to do special initialization needed by
+    the GNAT runtime.  */
+
+
+/* The following include is here to meet the published VxWorks requirement
+   that the __vxworks header appear before any other include.  */
+#ifdef __vxworks
+#include "vxWorks.h"
+#endif
+
+#ifdef IN_RTS
+#include "tconfig.h"
+#include "tsystem.h"
+/* We don't have libiberty, so use malloc.  */
+#define xmalloc(S) malloc (S)
+#define xrealloc(V,S) realloc (V,S)
+#else
+#include "config.h"
+#include "system.h"
+#endif
+
+#include "raise.h"
+#include <fcntl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**************************************************/
+/* __gnat_runtime_initialize (NT-mingw32 Version) */
+/**************************************************/
+
+extern void __gnat_install_handler(void);
+
+int __gnat_wide_text_translation_required = 0;
+/* wide text translation, 0=none, 1=activated */
+
+int __gnat_rt_init_count = 0;
+/* number of references to the GNAT runtime, this is used to initialize
+   and finalize properly the run-time. */
+
+#if defined (__MINGW32__)
+#include "mingw32.h"
+#include <windows.h>
+
+extern void __gnat_init_float (void);
+
+extern int gnat_argc;
+extern char **gnat_argv;
+extern CRITICAL_SECTION ProcListCS;
+extern HANDLE ProcListEvt;
+
+#ifdef GNAT_UNICODE_SUPPORT
+
+#define EXPAND_ARGV_RATE 128
+
+int __gnat_do_argv_expansion = 1;
+#pragma weak __gnat_do_argv_expansion
+
+static void
+append_arg (int *index, LPWSTR dir, LPWSTR value,
+	    char ***argv, int *last, int quoted)
+{
+  int size;
+  LPWSTR fullvalue;
+  int vallen = _tcslen (value);
+  int dirlen;
+
+  if (dir == NULL)
+    {
+      /* no dir prefix */
+      dirlen = 0;
+      fullvalue = (LPWSTR) xmalloc ((vallen + 1) * sizeof(TCHAR));
+    }
+  else
+    {
+      /* Add dir first */
+      dirlen = _tcslen (dir);
+
+      fullvalue = (LPWSTR) xmalloc ((dirlen + vallen + 1) * sizeof(TCHAR));
+      _tcscpy (fullvalue, dir);
+    }
+
+  /* Append value */
+
+  if (quoted)
+    {
+      _tcsncpy (fullvalue + dirlen, value + 1, vallen - 1);
+      fullvalue [dirlen + vallen - sizeof(TCHAR)] = _T('\0');
+    }
+  else
+    _tcscpy (fullvalue + dirlen, value);
+
+  if (*last <= *index)
+    {
+      *last += EXPAND_ARGV_RATE;
+      *argv = (char **) xrealloc (*argv, (*last) * sizeof (char *));
+    }
+
+  size = WS2SC (NULL, fullvalue, 0);
+  (*argv)[*index] = (char *) xmalloc (size + sizeof(TCHAR));
+  WS2SC ((*argv)[*index], fullvalue, size);
+
+  free (fullvalue);
+
+  (*index)++;
+}
+#endif
+
+void
+__gnat_runtime_initialize(int install_handler)
+{
+  /*  increment the reference counter */
+
+  __gnat_rt_init_count++;
+
+  /*  if already initialized return now */
+  if (__gnat_rt_init_count > 1)
+    return;
+
+   /* Initialize floating-point coprocessor. This call is needed because
+      the MS libraries default to 64-bit precision instead of 80-bit
+      precision, and we require the full precision for proper operation,
+      given that we have set Max_Digits etc with this in mind */
+
+   __gnat_init_float ();
+
+   /* Initialize the critical section and event handle for the win32_wait()
+      implementation, see adaint.c */
+
+   InitializeCriticalSection (&ProcListCS);
+   ProcListEvt = CreateEvent (NULL, FALSE, FALSE, NULL);
+
+#ifdef GNAT_UNICODE_SUPPORT
+   /* Set current code page for filenames handling. */
+   {
+     char *codepage = getenv ("GNAT_CODE_PAGE");
+
+     /* Default code page is UTF-8.  */
+     __gnat_current_codepage = CP_UTF8;
+
+     if (codepage != NULL)
+       {
+	 if (strcmp (codepage, "CP_ACP") == 0)
+	   __gnat_current_codepage = CP_ACP;
+	 else if (strcmp (codepage, "CP_UTF8") == 0)
+	   __gnat_current_codepage = CP_UTF8;
+       }
+   }
+
+   /* Set current encoding for the IO.  */
+   {
+     char *ccsencoding = getenv ("GNAT_CCS_ENCODING");
+
+     /* Default CCS Encoding.  */
+     __gnat_current_ccs_encoding = _O_TEXT;
+     __gnat_wide_text_translation_required = 0;
+
+     if (ccsencoding != NULL)
+       {
+	 if (strcmp (ccsencoding, "U16TEXT") == 0)
+           {
+             __gnat_current_ccs_encoding = _O_U16TEXT;
+             __gnat_wide_text_translation_required = 1;
+           }
+	 else if (strcmp (ccsencoding, "TEXT") == 0)
+           {
+             __gnat_current_ccs_encoding = _O_TEXT;
+             __gnat_wide_text_translation_required = 0;
+           }
+	 else if (strcmp (ccsencoding, "WTEXT") == 0)
+           {
+             __gnat_current_ccs_encoding = _O_WTEXT;
+             __gnat_wide_text_translation_required = 1;
+           }
+	 else if (strcmp (ccsencoding, "U8TEXT") == 0)
+           {
+             __gnat_current_ccs_encoding = _O_U8TEXT;
+             __gnat_wide_text_translation_required = 1;
+           }
+       }
+   }
+
+   /* Adjust gnat_argv to support Unicode characters. */
+   {
+     LPWSTR *wargv;
+     int wargc;
+     int k;
+     int last;
+     int argc_expanded = 0;
+     TCHAR result [MAX_PATH];
+     int quoted;
+
+     wargv = CommandLineToArgvW (GetCommandLineW(), &wargc);
+
+     if (wargv != NULL)
+       {
+	 /* Set gnat_argv with arguments encoded in UTF-8. */
+	 last = wargc + 1;
+	 gnat_argv = (char **) xmalloc ((last) * sizeof (char *));
+
+	 /* argv[0] is the executable full path-name. */
+
+	 SearchPath (NULL, wargv[0], _T(".exe"), MAX_PATH, result, NULL);
+	 append_arg (&argc_expanded, NULL, result, &gnat_argv, &last, 0);
+
+	 for (k=1; k<wargc; k++)
+	   {
+	     quoted = (wargv[k][0] == _T('\''));
+
+	     /* Check for wildcard expansion if the argument is not quoted. */
+	     if (!quoted && __gnat_do_argv_expansion
+		 && (_tcsstr (wargv[k], _T("?")) != 0 ||
+		     _tcsstr (wargv[k], _T("*")) != 0))
+	       {
+		 /* Wilcards are present, append all corresponding matches. */
+		 WIN32_FIND_DATA FileData;
+		 HANDLE hDir = FindFirstFile (wargv[k], &FileData);
+		 LPWSTR dir = NULL;
+		 LPWSTR ldir = _tcsrchr (wargv[k], _T('\\'));
+
+		 if (ldir == NULL)
+		   ldir = _tcsrchr (wargv[k], _T('/'));
+
+		 if (hDir == INVALID_HANDLE_VALUE)
+		   {
+		     /* No match, append arg as-is. */
+		     append_arg (&argc_expanded, NULL, wargv[k],
+				 &gnat_argv, &last, quoted);
+		   }
+		 else
+		   {
+		     if (ldir != NULL)
+		       {
+			 int n = ldir - wargv[k] + 1;
+			 dir = (LPWSTR) xmalloc ((n + 1) * sizeof (TCHAR));
+			 _tcsncpy (dir, wargv[k], n);
+			 dir[n] = _T('\0');
+		       }
+
+		     /* Append first match and all remaining ones.  */
+
+		     do {
+		       /* Do not add . and .. special entries */
+
+		       if (_tcscmp (FileData.cFileName, _T(".")) != 0
+			   && _tcscmp (FileData.cFileName, _T("..")) != 0)
+			 append_arg (&argc_expanded, dir, FileData.cFileName,
+				     &gnat_argv, &last, 0);
+		     } while (FindNextFile (hDir, &FileData));
+
+		     FindClose (hDir);
+
+		     if (dir != NULL)
+		       free (dir);
+		   }
+	       }
+	     else
+	       {
+		 /*  No wildcard. Store parameter as-is. Remove quote if
+		     needed. */
+		 append_arg (&argc_expanded, NULL, wargv[k],
+			     &gnat_argv, &last,
+                             quoted && __gnat_do_argv_expansion);
+	       }
+	   }
+
+	 LocalFree (wargv);
+	 gnat_argc = argc_expanded;
+	 gnat_argv = (char **) xrealloc
+	   (gnat_argv, argc_expanded * sizeof (char *));
+       }
+   }
+#endif
+
+  if (install_handler)
+    __gnat_install_handler();
+}
+
+/**************************************************/
+/* __gnat_runtime_initialize (init_float version) */
+/**************************************************/
+
+#elif defined (__Lynx__) || defined (__FreeBSD__) || defined(__NetBSD__) \
+  || defined (__OpenBSD__)
+
+extern void __gnat_init_float (void);
+
+void
+__gnat_runtime_initialize(int install_handler)
+{
+  /*  increment the reference counter */
+
+  __gnat_rt_init_count++;
+
+  /*  if already initialized return now */
+  if (__gnat_rt_init_count > 1)
+    return;
+
+   __gnat_init_float ();
+
+  if (install_handler)
+    __gnat_install_handler();
+}
+
+/***********************************************/
+/* __gnat_runtime_initialize (VxWorks Version) */
+/***********************************************/
+
+#elif defined(__vxworks)
+
+extern void __gnat_init_float (void);
+
+void
+__gnat_runtime_initialize(int install_handler)
+{
+  /*  increment the reference counter */
+
+  __gnat_rt_init_count++;
+
+  /*  if already initialized return now */
+  if (__gnat_rt_init_count > 1)
+    return;
+
+  __gnat_init_float ();
+
+  if (install_handler)
+    __gnat_install_handler();
+}
+
+#else
+
+/***********************************************/
+/* __gnat_runtime_initialize (default version) */
+/***********************************************/
+
+void
+__gnat_runtime_initialize(int install_handler)
+{
+  /*  increment the reference counter */
+
+  __gnat_rt_init_count++;
+
+  /*  if already initialized return now */
+  if (__gnat_rt_init_count > 1)
+    return;
+
+  if (install_handler)
+    __gnat_install_handler();
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif