tools/leaky/ShowLibs.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
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  14  * The Original Code is mozilla.org code.
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  16  * The Initial Developer of the Original Code is Kipp E.B. Hickman.
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  35
  36 #include <stdio.h>
  37 #include <dlfcn.h>
  38
  39 #ifdef linux
  40 #include <link.h>
  41 #endif
  42
  43 // A simple test program that dumps out the loaded shared
  44 // libraries. This is essential for leaky to work properly when shared
  45 // libraries are used.
  46 static void ShowLibs(struct r_debug* rd)
  47 {
  48   link_map* map = rd->r_map;
  49   while (NULL != map) {
  50     printf("addr=%08x name=%s prev=%p next=%p\n", map->l_addr, map->l_name,
  51            map->l_prev, map->l_next);
  52     map = map->l_next;
  53   }
  54 }
  55
  56 int main(int argc, char** argv)
  57 {
  58   void* h = dlopen("/usr/X11R6/lib/libX11.so", RTLD_LAZY);
  59 #ifdef linux
  60   printf("Direct r_debug libs:\n");
  61   ShowLibs(&_r_debug);
  62
  63   printf("_DYNAMICE r_debug libs:\n");
  64   ElfW(Dyn)* dp;
  65   for (dp = _DYNAMIC; dp->d_tag != DT_NULL; dp++) {
  66     if (dp->d_tag == DT_DEBUG) {
  67       struct r_debug* rd = (struct r_debug*) dp->d_un.d_ptr;
  68       ShowLibs(rd);
  69     }
  70   }
  71 #endif
  72   return 0;
  73 }