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lightning-sunbird  0.9+nobinonly
ShowLibs.cpp
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
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00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00012  * License.
00013  *
00014  * The Original Code is mozilla.org code.
00015  *
00016  * The Initial Developer of the Original Code is Kipp E.B. Hickman.
00017  * Portions created by the Initial Developer are Copyright (C) 1999
00018  * the Initial Developer. All Rights Reserved.
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00021  *
00022  * Alternatively, the contents of this file may be used under the terms of
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00035 
00036 #include <stdio.h>
00037 #include <dlfcn.h>
00038 
00039 #ifdef linux
00040 #include <link.h>
00041 #endif
00042 
00043 // A simple test program that dumps out the loaded shared
00044 // libraries. This is essential for leaky to work properly when shared
00045 // libraries are used.
00046 static void ShowLibs(struct r_debug* rd)
00047 {
00048   link_map* map = rd->r_map;
00049   while (NULL != map) {
00050     printf("addr=%08x name=%s prev=%p next=%p\n", map->l_addr, map->l_name,
00051           map->l_prev, map->l_next);
00052     map = map->l_next;
00053   }
00054 }
00055 
00056 int main(int argc, char** argv)
00057 {
00058   void* h = dlopen("/usr/X11R6/lib/libX11.so", RTLD_LAZY);
00059 #ifdef linux
00060   printf("Direct r_debug libs:\n");
00061   ShowLibs(&_r_debug);
00062 
00063   printf("_DYNAMICE r_debug libs:\n");
00064   ElfW(Dyn)* dp;
00065   for (dp = _DYNAMIC; dp->d_tag != DT_NULL; dp++) {
00066     if (dp->d_tag == DT_DEBUG) {
00067       struct r_debug* rd = (struct r_debug*) dp->d_un.d_ptr;
00068       ShowLibs(rd);
00069     }
00070   }
00071 #endif
00072   return 0;
00073 }