1b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Free resources associated with Elf descriptor. 21ccdfb683ad6c7e59793136c3a657ddf131cafd1Mark Wielaard Copyright (C) 1998,1999,2000,2001,2002,2004,2005,2007,2015 Red Hat, Inc. 3de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard This file is part of elfutils. 4b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Written by Ulrich Drepper <drepper@redhat.com>, 1998. 5b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 6de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard This file is free software; you can redistribute it and/or modify 7de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard it under the terms of either 8b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 9de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard * the GNU Lesser General Public License as published by the Free 10de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard Software Foundation; either version 3 of the License, or (at 11de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard your option) any later version 12de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 13de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard or 14de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 15de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard * the GNU General Public License as published by the Free 16de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard Software Foundation; either version 2 of the License, or (at 17de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard your option) any later version 18de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 19de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard or both in parallel, as here. 20de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 21de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard elfutils is distributed in the hope that it will be useful, but 22361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper WITHOUT ANY WARRANTY; without even the implied warranty of 23361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper General Public License for more details. 25b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 26de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard You should have received copies of the GNU General Public License and 27de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard the GNU Lesser General Public License along with this program. If 28de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard not, see <http://www.gnu.org/licenses/>. */ 29b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 30b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifdef HAVE_CONFIG_H 31b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper# include <config.h> 32b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 33b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 34b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <assert.h> 35b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <stddef.h> 36b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <stdlib.h> 37b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <sys/mman.h> 38b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 39b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include "libelfP.h" 40b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 41b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 42b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint 431ccdfb683ad6c7e59793136c3a657ddf131cafd1Mark Wielaardelf_end (Elf *elf) 44b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 45b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf *parent; 46b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 47b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf == NULL) 48b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is allowed and is a no-op. */ 49b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 50b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 51b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Make sure we are alone. */ 52b4d6f0f8064f2b706ea9035ef0393d8299671390Roland McGrath rwlock_wrlock (elf->lock); 53b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 54b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf->ref_count != 0 && --elf->ref_count != 0) 55b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 56b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Not yet the last activation. */ 57b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int result = elf->ref_count; 58b4d6f0f8064f2b706ea9035ef0393d8299671390Roland McGrath rwlock_unlock (elf->lock); 59b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return result; 60b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 61b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 62b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf->kind == ELF_K_AR) 63b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 64b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We cannot remove the descriptor now since we still have some 65b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper descriptors which depend on it. But we can free the archive 66b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper symbol table since this is only available via the archive ELF 67b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper descriptor. The long name table cannot be freed yet since 68b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the archive headers for the ELF files in the archive point 69b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper into this array. */ 7059ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath if (elf->state.ar.ar_sym != (Elf_Arsym *) -1l) 7159ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath free (elf->state.ar.ar_sym); 72b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper elf->state.ar.ar_sym = NULL; 73b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 74b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf->state.ar.children != NULL) 75b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 76b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 77b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 78b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Remove this structure from the children list. */ 79b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parent = elf->parent; 80b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (parent != NULL) 81b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 82b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is tricky. Lock must be acquire from the father to 83b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the child but here we already have the child lock. We 84b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper solve this problem by giving free the child lock. The 85b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper state of REF_COUNT==0 is handled all over the library, so 86b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper this should be ok. */ 87b4d6f0f8064f2b706ea9035ef0393d8299671390Roland McGrath rwlock_unlock (elf->lock); 88b4d6f0f8064f2b706ea9035ef0393d8299671390Roland McGrath rwlock_rdlock (parent->lock); 89b4d6f0f8064f2b706ea9035ef0393d8299671390Roland McGrath rwlock_wrlock (elf->lock); 90b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 91b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (parent->state.ar.children == elf) 92b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parent->state.ar.children = elf->next; 93b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 94b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 95b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct Elf *child = parent->state.ar.children; 96b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 97b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (child->next != elf) 98b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper child = child->next; 99b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 100b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper child->next = elf->next; 101b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 102b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 103b4d6f0f8064f2b706ea9035ef0393d8299671390Roland McGrath rwlock_unlock (parent->lock); 104b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 105b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 106b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This was the last activation. Free all resources. */ 107b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper switch (elf->kind) 108b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 109b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ELF_K_AR: 110b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf->state.ar.long_names != NULL) 111b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (elf->state.ar.long_names); 112b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 113b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 114b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ELF_K_ELF: 115b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 11659ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath Elf_Data_Chunk *rawchunks 11759ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath = (elf->class == ELFCLASS32 11859ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath || (offsetof (struct Elf, state.elf32.rawchunks) 11959ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath == offsetof (struct Elf, state.elf64.rawchunks)) 12059ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath ? elf->state.elf32.rawchunks 12159ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath : elf->state.elf64.rawchunks); 12259ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath while (rawchunks != NULL) 12359ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath { 12459ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath Elf_Data_Chunk *next = rawchunks->next; 12559ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath if (rawchunks->dummy_scn.flags & ELF_F_MALLOCED) 12659ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath free (rawchunks->data.d.d_buf); 12759ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath free (rawchunks); 12859ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath rawchunks = next; 12959ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath } 13059ea7f33f781e6e3f8c9d81d457e5d99eee8f1ceRoland McGrath 131b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf_ScnList *list = (elf->class == ELFCLASS32 132b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper || (offsetof (struct Elf, state.elf32.scns) 133b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper == offsetof (struct Elf, state.elf64.scns)) 134b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ? &elf->state.elf32.scns 135b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper : &elf->state.elf64.scns); 136b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 137b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 138b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 139b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Free all separately allocated section headers. */ 140b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper size_t cnt = list->max; 141b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 142b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (cnt-- > 0) 143b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 144b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* These pointers can be NULL; it's safe to use 145b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 'free' since it will check for this. */ 146b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf_Scn *scn = &list->data[cnt]; 147b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf_Data_List *runp; 148b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 149b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if ((scn->shdr_flags & ELF_F_MALLOCED) != 0) 150b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* It doesn't matter which pointer. */ 151b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (scn->shdr.e32); 152b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 153272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard /* Free zdata if uncompressed, but not yet used as 154272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard rawdata_base. If it is already used it will be 155272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard freed below. */ 156272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard if (scn->zdata_base != scn->rawdata_base) 157272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard free (scn->zdata_base); 158272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard 159b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If the file has the same byte order and the 160b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper architecture doesn't require overly stringent 161b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper alignment the raw data buffer is the same as the 162b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper one used for presenting to the caller. */ 163b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (scn->data_base != scn->rawdata_base) 164b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (scn->data_base); 165b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 166b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The section data is allocated if we couldn't mmap 167272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard the file. Or if we had to decompress. */ 168272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard if (elf->map_address == NULL 169272018bba1f253bae00b5ba280ad0e0f18c04006Mark Wielaard || scn->rawdata_base == scn->zdata_base) 170b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (scn->rawdata_base); 171b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 172b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Free the list of data buffers for the section. 173b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper We don't free the buffers themselves since this 174b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper is the users job. */ 175b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = scn->data_list.next; 176b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (runp != NULL) 177b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 178b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf_Data_List *oldp = runp; 179b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = runp->next; 180b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if ((oldp->flags & ELF_F_MALLOCED) != 0) 181b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (oldp); 182b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 183b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 184b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 185b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Free the memory for the array. */ 186b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf_ScnList *oldp = list; 187b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper list = list->next; 188b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper assert (list == NULL || oldp->cnt == oldp->max); 189b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (oldp != (elf->class == ELFCLASS32 190b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper || (offsetof (struct Elf, state.elf32.scns) 191b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper == offsetof (struct Elf, state.elf64.scns)) 192b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ? &elf->state.elf32.scns 193b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper : &elf->state.elf64.scns)) 194b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (oldp); 195b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 196b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (list != NULL); 197b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 198b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 199b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Free the section header. */ 200b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf->state.elf.shdr_malloced != 0) 201b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (elf->class == ELFCLASS32 202b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper || (offsetof (struct Elf, state.elf32.shdr) 203b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper == offsetof (struct Elf, state.elf64.shdr)) 204b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ? (void *) elf->state.elf32.shdr 205b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper : (void *) elf->state.elf64.shdr); 206b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 207b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Free the program header. */ 208b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if ((elf->state.elf.phdr_flags & ELF_F_MALLOCED) != 0) 209b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (elf->class == ELFCLASS32 210b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper || (offsetof (struct Elf, state.elf32.phdr) 211b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper == offsetof (struct Elf, state.elf64.phdr)) 212b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ? (void *) elf->state.elf32.phdr 213b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper : (void *) elf->state.elf64.phdr); 214b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 215b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 216b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper default: 217b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 218b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 219b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 220b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf->map_address != NULL && parent == NULL) 221b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 222b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The file was read or mapped for this descriptor. */ 223b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if ((elf->flags & ELF_F_MALLOCED) != 0) 224b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (elf->map_address); 225b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if ((elf->flags & ELF_F_MMAPPED) != 0) 226b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper munmap (elf->map_address, elf->maximum_size); 227b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 228b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 229495501611820a9d5c462fda56045c146f7b922d7Mark Wielaard rwlock_unlock (elf->lock); 230b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper rwlock_fini (elf->lock); 231b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 232b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Finally the descriptor itself. */ 233b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (elf); 234b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 235b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return (parent != NULL && parent->ref_count == 0 236b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ? INTUSE(elf_end) (parent) : 0); 237b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 238b08d5a8fb42f4586d756068065186b5af7e48daUlrich DrepperINTDEF(elf_end) 239