gcc/config/i386/netware-libgcc.c

   1 /* Startup code for libgcc_s.nlm, necessary because we can't allow
   2    libgcc_s to use libc's malloc & Co., which associate allocations
   3    with the NLM owning the current (application) thread.
   4    Contributed by Jan Beulich (jbeulich@novell.com)
   5    Copyright (C) 2004, 2007 Free Software Foundation, Inc.
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 3, or (at your option)
  12 any later version.
  13
  14 GCC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 #include <netware.h>
  24 #include <stddef.h>
  25 #include <stdlib.h>
  26 #include <windows.h>
  27
  28 static rtag_t allocRTag;
  29
  30 BOOL
  31 DllMain (HINSTANCE libraryId __attribute__ ((__unused__)),
  32          DWORD reason, void *hModule)
  33 {
  34   switch (reason)
  35     {
  36     case DLL_NLM_STARTUP:
  37       allocRTag = AllocateResourceTag (hModule,
  38                                        "libgcc memory", AllocSignature);
  39       return allocRTag != NULL;
  40     case DLL_NLM_SHUTDOWN:
  41       /* This does not recover resources associated with the tag...
  42          ReturnResourceTag (allocRTag, 0); */
  43       break;
  44     }
  45   return 1;
  46 }
  47
  48 void *
  49 malloc (size_t size)
  50 {
  51   return AllocSleepOK (size, allocRTag, NULL);
  52 }
  53
  54 void
  55 free (void *ptr)
  56 {
  57   Free (ptr);
  58 }