include/grub/mm.h

   1 /* mm.h - prototypes and declarations for memory manager */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2002,2007  Free Software Foundation, Inc.
   5  *
   6  *  GRUB is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef GRUB_MM_H
  21 #define GRUB_MM_H       1
  22
  23 #include <grub/types.h>
  24 #include <grub/symbol.h>
  25 #include <config.h>
  26
  27 #ifndef NULL
  28 # define NULL   ((void *) 0)
  29 #endif
  30
  31 void grub_mm_init_region (void *addr, grub_size_t size);
  32 void *EXPORT_FUNC(grub_malloc) (grub_size_t size);
  33 void *EXPORT_FUNC(grub_zalloc) (grub_size_t size);
  34 void EXPORT_FUNC(grub_free) (void *ptr);
  35 void *EXPORT_FUNC(grub_realloc) (void *ptr, grub_size_t size);
  36 #ifndef GRUB_MACHINE_EMU
  37 void *EXPORT_FUNC(grub_memalign) (grub_size_t align, grub_size_t size);
  38 #endif
  39
  40 void grub_mm_check_real (const char *file, int line);
  41 #define grub_mm_check() grub_mm_check_real (GRUB_FILE, __LINE__);
  42
  43 /* For debugging.  */
  44 #if defined(MM_DEBUG) && !defined(GRUB_UTIL) && !defined (GRUB_MACHINE_EMU)
  45 /* Set this variable to 1 when you want to trace all memory function calls.  */
  46 extern int EXPORT_VAR(grub_mm_debug);
  47
  48 void grub_mm_dump_free (void);
  49 void grub_mm_dump (unsigned lineno);
  50
  51 #define grub_malloc(size)       \
  52   grub_debug_malloc (GRUB_FILE, __LINE__, size)
  53
  54 #define grub_zalloc(size)       \
  55   grub_debug_zalloc (GRUB_FILE, __LINE__, size)
  56
  57 #define grub_realloc(ptr,size)  \
  58   grub_debug_realloc (GRUB_FILE, __LINE__, ptr, size)
  59
  60 #define grub_memalign(align,size)       \
  61   grub_debug_memalign (GRUB_FILE, __LINE__, align, size)
  62
  63 #define grub_free(ptr)  \
  64   grub_debug_free (GRUB_FILE, __LINE__, ptr)
  65
  66 void *EXPORT_FUNC(grub_debug_malloc) (const char *file, int line,
  67                                       grub_size_t size);
  68 void *EXPORT_FUNC(grub_debug_zalloc) (const char *file, int line,
  69                                        grub_size_t size);
  70 void EXPORT_FUNC(grub_debug_free) (const char *file, int line, void *ptr);
  71 void *EXPORT_FUNC(grub_debug_realloc) (const char *file, int line, void *ptr,
  72                                        grub_size_t size);
  73 void *EXPORT_FUNC(grub_debug_memalign) (const char *file, int line,
  74                                         grub_size_t align, grub_size_t size);
  75 #endif /* MM_DEBUG && ! GRUB_UTIL */
  76
  77 #endif /* ! GRUB_MM_H */