Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / i386 / netware-libgcc.c

diff --git a/gcc/config/i386/netware-libgcc.c b/gcc/config/i386/netware-libgcc.c
new file mode 100644 (file)
index 0000000..0925d87
--- /dev/null
+++ b/gcc/config/i386/netware-libgcc.c
@@ -0,0 +1,58 @@
+/* Startup code for libgcc_s.nlm, necessary because we can't allow
+   libgcc_s to use libc's malloc & Co., which associate allocations
+   with the NLM owning the current (application) thread.
+   Contributed by Jan Beulich (jbeulich@novell.com)
+   Copyright (C) 2004, 2007 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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.
+
+GCC 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.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include <netware.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <windows.h>
+
+static rtag_t allocRTag;
+
+BOOL
+DllMain (HINSTANCE libraryId __attribute__ ((__unused__)),
+        DWORD reason, void *hModule)
+{
+  switch (reason)
+    {
+    case DLL_NLM_STARTUP:
+      allocRTag = AllocateResourceTag (hModule,
+                                      "libgcc memory", AllocSignature);
+      return allocRTag != NULL;
+    case DLL_NLM_SHUTDOWN:
+      /* This does not recover resources associated with the tag...
+         ReturnResourceTag (allocRTag, 0); */
+      break;
+    }
+  return 1;
+}
+
+void *
+malloc (size_t size)
+{
+  return AllocSleepOK (size, allocRTag, NULL);
+}
+
+void
+free (void *ptr)
+{
+  Free (ptr);
+}