process_maps.h

   1 #ifndef PROCESS_MAPS_H
   2 #define PROCESS_MAPS_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <stdint.h>
   9 #include <stddef.h>
  10 #include <unistd.h>
  11 #include "../lib/include/sblist.h"
  12
  13 typedef enum {
  14         MDP_R = 1 << 0,
  15         MDP_W = 1 << 1,
  16         MDP_X = 1 << 2,
  17         MDP_P = 1 << 3, //private (copy on write)
  18         MDP_S = 1 << 4, //shared
  19 } map_data_perms;
  20
  21 typedef struct {
  22         void* start;
  23         void* end;
  24 } map_data_address;
  25
  26 typedef struct {
  27         unsigned char major;
  28         unsigned char minor;
  29 } map_data_dev;
  30
  31 typedef struct {
  32         map_data_address address;
  33         uint64_t inode;
  34         uint64_t offset;
  35         char* pathname;
  36         map_data_dev dev;
  37         unsigned char perms;
  38 } map_data;
  39
  40 /* returns a sblist (or NULL) containing map_data members by parsing /proc/pid/maps */
  41 sblist* process_maps_get(pid_t pid);
  42 /* free the memory claimed by process_maps_get */
  43 void process_maps_free(sblist* maps);
  44 /* generates a readable string from a permission byte */
  45 void process_maps_perms_str(unsigned char perms, char* outbuf5);
  46 /* returns a mapdata* for the map the addr is contained in, or NULL */
  47 map_data* find_map_for_addr(sblist* maps, void* addr);
  48 /* returns size of a mapping */
  49 size_t process_map_size(map_data* map);
  50
  51 #ifdef __cplusplus
  52 }
  53 #endif
  54
  55 #pragma RcB2 DEP "process_maps.c"
  56
  57 #endif