gcore.tproj/sparse.h

   1 /*
   2  * Copyright (c) 2016 Apple Inc.  All rights reserved.
   3  */
   4
   5 #include "region.h"
   6 #include "dyld.h"
   7
   8 #ifndef _SPARSE_H
   9 #define _SPARSE_H
  10
  11 struct subregion {
  12     mach_vm_offset_t s_address;
  13     mach_vm_offset_t s_size;
  14     native_segment_command_t s_segcmd;
  15     const struct libent *s_libent;
  16     bool s_isfileref;
  17 };
  18
  19 static __inline void S_SETADDR(struct subregion *s, mach_vm_offset_t a) {
  20     s->s_address = a;
  21 }
  22
  23 static __inline void S_SETSIZE(struct subregion *s, mach_vm_offset_t sz) {
  24     s->s_size = sz;
  25 }
  26
  27 static __inline const mach_vm_offset_t S_ADDR(const struct subregion *s) {
  28     return s->s_address;
  29 }
  30
  31 static __inline const mach_vm_offset_t S_SIZE(const struct subregion *s) {
  32     return s->s_size;
  33 }
  34
  35 static __inline const mach_vm_offset_t S_ENDADDR(const struct subregion *s) {
  36     return S_ADDR(s) + S_SIZE(s);
  37 }
  38
  39 static __inline const char *S_MACHO_TYPE(const struct subregion *s) {
  40     return s->s_segcmd.segname;
  41 }
  42
  43 static __inline off_t S_MACHO_FILEOFF(const struct subregion *s) {
  44      return s->s_segcmd.fileoff;
  45 }
  46
  47 static __inline off_t S_MACHO_FILESIZE(const struct subregion *s) {
  48     return s->s_segcmd.filesize;
  49 }
  50
  51 static __inline const struct libent *S_LIBENT(const struct subregion *s) {
  52     return s->s_libent;
  53 }
  54
  55 static __inline const char *S_PATHNAME(const struct subregion *s) {
  56     const struct libent *le = S_LIBENT(s);
  57     return le ? le->le_pathname : "(unknown)";
  58 }
  59
  60 static __inline const char *S_FILENAME(const struct subregion *s) {
  61     const struct libent *le = S_LIBENT(s);
  62     return le ? le->le_filename : S_PATHNAME(s);
  63 }
  64
  65 extern bool issubregiontype(const struct subregion *, const char *);
  66
  67 extern walk_region_cbfn_t decorate_memory_region;
  68 extern walk_region_cbfn_t undecorate_memory_region;
  69 extern walk_region_cbfn_t sparse_region_optimization;
  70
  71 #endif /* _SPARSE_H */