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 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 2, 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 COPYING.  If not, write to
  21 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  22 Boston, MA 02110-1301, USA.  */
  23
  24 #include <netware.h>
  25 #include <stddef.h>
  26 #include <stdlib.h>
  27 #include <windows.h>
  28
  29 static rtag_t allocRTag;
  30
  31 BOOL
  32 DllMain (HINSTANCE libraryId __attribute__ ((__unused__)),
  33          DWORD reason, void *hModule)
  34 {
  35   switch (reason)
  36     {
  37     case DLL_NLM_STARTUP:
  38       allocRTag = AllocateResourceTag (hModule,
  39                                        "libgcc memory", AllocSignature);
  40       return allocRTag != NULL;
  41     case DLL_NLM_SHUTDOWN:
  42       /* This does not recover resources associated with the tag...
  43          ReturnResourceTag (allocRTag, 0); */
  44       break;
  45     }
  46   return 1;
  47 }
  48
  49 void *
  50 malloc (size_t size)
  51 {
  52   return AllocSleepOK (size, allocRTag, NULL);
  53 }
  54
  55 void
  56 free (void *ptr)
  57 {
  58   Free (ptr);
  59 }