1 files changed, 126 insertions, 0 deletions
diff --git a/gcc/m2/mc-boot/GMemUtils.c b/gcc/m2/mc-boot/GMemUtils.c
new file mode 100644
index 0000000..f81fca9
--- /dev/null
+++ b/gcc/m2/mc-boot/GMemUtils.c
@@ -0,0 +1,126 @@
+/* do not edit automatically generated by mc from MemUtils.  */
+/* MemUtils.mod provides some basic memory utilities.
+
+Copyright (C) 2001-2021 Free Software Foundation, Inc.
+Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
+
+This file is part of GNU Modula-2.
+
+GNU Modula-2 is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GNU Modula-2 is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+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/>.  */
+
+#include "config.h"
+#include "system.h"
+#   if !defined (PROC_D)
+#      define PROC_D
+       typedef void (*PROC_t) (void);
+       typedef struct { PROC_t proc; } PROC;
+#   endif
+
+#define _MemUtils_H
+#define _MemUtils_C
+
+#   include "GSYSTEM.h"
+
+
+/*
+   MemCopy - copys a region of memory to the required destination.
+*/
+
+extern "C" void MemUtils_MemCopy (void * from, unsigned int length, void * to);
+
+/*
+   MemZero - sets a region of memory: a..a+length to zero.
+*/
+
+extern "C" void MemUtils_MemZero (void * a, unsigned int length);
+
+
+/*
+   MemCopy - copys a region of memory to the required destination.
+*/
+
+extern "C" void MemUtils_MemCopy (void * from, unsigned int length, void * to)
+{
+  typedef unsigned int *MemCopy__T1;
+
+  typedef unsigned char *MemCopy__T2;
+
+  MemCopy__T1 pwb;
+  MemCopy__T1 pwa;
+  MemCopy__T2 pbb;
+  MemCopy__T2 pba;
+
+  while (length >= sizeof (unsigned int ))
+    {
+      pwa = static_cast<MemCopy__T1> (from);
+      pwb = static_cast<MemCopy__T1> (to);
+      (*pwb) = (*pwa);
+      from = reinterpret_cast<void *> (reinterpret_cast<char *> (from)+sizeof (unsigned int ));
+      to = reinterpret_cast<void *> (reinterpret_cast<char *> (to)+sizeof (unsigned int ));
+      length -= sizeof (unsigned int );
+    }
+  while (length > 0)
+    {
+      pba = static_cast<MemCopy__T2> (from);
+      pbb = static_cast<MemCopy__T2> (to);
+      (*pbb) = (*pba);
+      from = reinterpret_cast<void *> (reinterpret_cast<char *> (from)+sizeof (unsigned char ));
+      to = reinterpret_cast<void *> (reinterpret_cast<char *> (to)+sizeof (unsigned char ));
+      length -= sizeof (unsigned char );
+    }
+}
+
+
+/*
+   MemZero - sets a region of memory: a..a+length to zero.
+*/
+
+extern "C" void MemUtils_MemZero (void * a, unsigned int length)
+{
+  typedef unsigned int *MemZero__T3;
+
+  typedef unsigned char *MemZero__T4;
+
+  MemZero__T3 pwa;
+  MemZero__T4 pba;
+
+  pwa = static_cast<MemZero__T3> (a);
+  while (length >= sizeof (unsigned int ))
+    {
+      (*pwa) = (unsigned int ) (0);
+      pwa += sizeof (unsigned int );
+      length -= sizeof (unsigned int );
+    }
+  pba = static_cast<MemZero__T4> ((void *) (pwa));
+  while (length >= sizeof (unsigned char ))
+    {
+      (*pba) = (unsigned char ) (0);
+      pba += sizeof (unsigned char );
+      length -= sizeof (unsigned char );
+    }
+}
+
+extern "C" void _M2_MemUtils_init (__attribute__((unused)) int argc,__attribute__((unused)) char *argv[],__attribute__((unused)) char *envp[])
+{
+}
+
+extern "C" void _M2_MemUtils_finish (__attribute__((unused)) int argc,__attribute__((unused)) char *argv[],__attribute__((unused)) char *envp[])
+{
+}