gdb/nat/linux-maps.h

   1 /* Linux-specific memory maps manipulation routines.
   2    Copyright (C) 2015 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program 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    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef NAT_LINUX_MAPS_H
  20 #define NAT_LINUX_MAPS_H
  21
  22 extern void
  23   read_mapping (const char *line,
  24                 ULONGEST *addr, ULONGEST *endaddr,
  25                 const char **permissions, size_t *permissions_len,
  26                 ULONGEST *offset,
  27                 const char **device, size_t *device_len,
  28                 ULONGEST *inode,
  29                 const char **filename);
  30
  31 /* Callback function for linux_find_memory_regions_full.  If it returns
  32    non-zero linux_find_memory_regions_full returns immediately with that
  33    value.  */
  34
  35 typedef int linux_find_memory_region_ftype (ULONGEST vaddr, ULONGEST size,
  36                                             ULONGEST offset, ULONGEST inode,
  37                                             int read, int write,
  38                                             int exec, int modified,
  39                                             const char *filename,
  40                                             void *data);
  41
  42 /* This enum represents the values that the user can choose when
  43    informing the Linux kernel about which memory mappings will be
  44    dumped in a corefile.  They are described in the file
  45    Documentation/filesystems/proc.txt, inside the Linux kernel
  46    tree.  */
  47
  48 enum filterflags
  49   {
  50     COREFILTER_ANON_PRIVATE = 1 << 0,
  51     COREFILTER_ANON_SHARED = 1 << 1,
  52     COREFILTER_MAPPED_PRIVATE = 1 << 2,
  53     COREFILTER_MAPPED_SHARED = 1 << 3,
  54     COREFILTER_ELF_HEADERS = 1 << 4,
  55     COREFILTER_HUGETLB_PRIVATE = 1 << 5,
  56     COREFILTER_HUGETLB_SHARED = 1 << 6,
  57   };
  58
  59 extern int
  60   linux_find_memory_regions_full (pid_t pid, enum filterflags filterflags,
  61                                   linux_find_memory_region_ftype *func,
  62                                   void *func_data);
  63
  64 #endif /* NAT_LINUX_MAPS_H */