| /* Find module containing address. |
| Copyright (C) 2005 Red Hat, Inc. |
| |
| This program is Open Source software; you can redistribute it and/or |
| modify it under the terms of the Open Software License version 1.0 as |
| published by the Open Source Initiative. |
| |
| You should have received a copy of the Open Software License along |
| with this program; if not, you may obtain a copy of the Open Software |
| License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 3001 King Ranch Road, Ukiah, CA 95482. */ |
| |
| #include "libdwflP.h" |
| |
| Dwfl_Module * |
| dwfl_addrmodule (Dwfl *dwfl, Dwarf_Addr address) |
| { |
| if (dwfl == NULL) |
| return NULL; |
| |
| /* Do binary search on the array indexed by module load address. */ |
| size_t l = 0, u = dwfl->nmodules; |
| while (l < u) |
| { |
| size_t idx = (l + u) / 2; |
| Dwfl_Module *m = dwfl->modules[idx]; |
| if (address < m->low_addr) |
| u = idx; |
| else if (address >= m->high_addr) |
| l = idx + 1; |
| else |
| return m; |
| } |
| |
| return NULL; |
| } |
| INTDEF (dwfl_addrmodule) |