gecko-dev/tools/leaky/ShowLibs.cpp

51 lines
1.4 KiB
C++

// The contents of this file are subject to the Mozilla Public License
// Version 1.1 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License
// at http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
// the License for the specific language governing rights and
// limitations under the License.
//
// The Initial Developer of the Original Code is Kipp E.B. Hickman.
#include <stdio.h>
#include <dlfcn.h>
#ifdef linux
#include <link.h>
#endif
// A simple test program that dumps out the loaded shared
// libraries. This is essential for leaky to work properly when shared
// libraries are used.
static void ShowLibs(struct r_debug* rd)
{
link_map* map = rd->r_map;
while (NULL != map) {
printf("addr=%08x name=%s prev=%p next=%p\n", map->l_addr, map->l_name,
map->l_prev, map->l_next);
map = map->l_next;
}
}
int main(int argc, char** argv)
{
void* h = dlopen("/usr/X11R6/lib/libX11.so", RTLD_LAZY);
#ifdef linux
printf("Direct r_debug libs:\n");
ShowLibs(&_r_debug);
printf("_DYNAMICE r_debug libs:\n");
ElfW(Dyn)* dp;
for (dp = _DYNAMIC; dp->d_tag != DT_NULL; dp++) {
if (dp->d_tag == DT_DEBUG) {
struct r_debug* rd = (struct r_debug*) dp->d_un.d_ptr;
ShowLibs(rd);
}
}
#endif
return 0;
}