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-rw-r--r--src/libelf/elf_end.c232
1 files changed, 0 insertions, 232 deletions
diff --git a/src/libelf/elf_end.c b/src/libelf/elf_end.c
deleted file mode 100644
index d4ae0517..00000000
--- a/src/libelf/elf_end.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/* Free resources associated with Elf descriptor.
- Copyright (C) 1998,1999,2000,2001,2002,2004,2005,2007 Red Hat, Inc.
- This file is part of elfutils.
- Written by Ulrich Drepper <drepper@redhat.com>, 1998.
-
- This file is free software; you can redistribute it and/or modify
- it under the terms of either
-
- * the GNU Lesser General Public License as published by the Free
- Software Foundation; either version 3 of the License, or (at
- your option) any later version
-
- or
-
- * the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at
- your option) any later version
-
- or both in parallel, as here.
-
- elfutils is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received copies of the GNU General Public License and
- the GNU Lesser General Public License along with this program. If
- not, see <http://www.gnu.org/licenses/>. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <assert.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-
-#include "libelfP.h"
-
-
-int
-elf_end (elf)
- Elf *elf;
-{
- Elf *parent;
-
- if (elf == NULL)
- /* This is allowed and is a no-op. */
- return 0;
-
- /* Make sure we are alone. */
- rwlock_wrlock (elf->lock);
-
- if (elf->ref_count != 0 && --elf->ref_count != 0)
- {
- /* Not yet the last activation. */
- int result = elf->ref_count;
- rwlock_unlock (elf->lock);
- return result;
- }
-
- if (elf->kind == ELF_K_AR)
- {
- /* We cannot remove the descriptor now since we still have some
- descriptors which depend on it. But we can free the archive
- symbol table since this is only available via the archive ELF
- descriptor. The long name table cannot be freed yet since
- the archive headers for the ELF files in the archive point
- into this array. */
- if (elf->state.ar.ar_sym != (Elf_Arsym *) -1l)
- free (elf->state.ar.ar_sym);
- elf->state.ar.ar_sym = NULL;
-
- if (elf->state.ar.children != NULL)
- return 0;
- }
-
- /* Remove this structure from the children list. */
- parent = elf->parent;
- if (parent != NULL)
- {
- /* This is tricky. Lock must be acquire from the father to
- the child but here we already have the child lock. We
- solve this problem by giving free the child lock. The
- state of REF_COUNT==0 is handled all over the library, so
- this should be ok. */
- rwlock_unlock (elf->lock);
- rwlock_rdlock (parent->lock);
- rwlock_wrlock (elf->lock);
-
- if (parent->state.ar.children == elf)
- parent->state.ar.children = elf->next;
- else
- {
- struct Elf *child = parent->state.ar.children;
-
- while (child->next != elf)
- child = child->next;
-
- child->next = elf->next;
- }
-
- rwlock_unlock (parent->lock);
- }
-
- /* This was the last activation. Free all resources. */
- switch (elf->kind)
- {
- case ELF_K_AR:
- if (elf->state.ar.long_names != NULL)
- free (elf->state.ar.long_names);
- break;
-
- case ELF_K_ELF:
- {
- Elf_Data_Chunk *rawchunks
- = (elf->class == ELFCLASS32
- || (offsetof (struct Elf, state.elf32.rawchunks)
- == offsetof (struct Elf, state.elf64.rawchunks))
- ? elf->state.elf32.rawchunks
- : elf->state.elf64.rawchunks);
- while (rawchunks != NULL)
- {
- Elf_Data_Chunk *next = rawchunks->next;
- if (rawchunks->dummy_scn.flags & ELF_F_MALLOCED)
- free (rawchunks->data.d.d_buf);
- free (rawchunks);
- rawchunks = next;
- }
-
- Elf_ScnList *list = (elf->class == ELFCLASS32
- || (offsetof (struct Elf, state.elf32.scns)
- == offsetof (struct Elf, state.elf64.scns))
- ? &elf->state.elf32.scns
- : &elf->state.elf64.scns);
-
- do
- {
- /* Free all separately allocated section headers. */
- size_t cnt = list->max;
-
- while (cnt-- > 0)
- {
- /* These pointers can be NULL; it's safe to use
- 'free' since it will check for this. */
- Elf_Scn *scn = &list->data[cnt];
- Elf_Data_List *runp;
-
- if ((scn->shdr_flags & ELF_F_MALLOCED) != 0)
- /* It doesn't matter which pointer. */
- free (scn->shdr.e32);
-
- /* If the file has the same byte order and the
- architecture doesn't require overly stringent
- alignment the raw data buffer is the same as the
- one used for presenting to the caller. */
- if (scn->data_base != scn->rawdata_base)
- free (scn->data_base);
-
- /* The section data is allocated if we couldn't mmap
- the file. */
- if (elf->map_address == NULL)
- free (scn->rawdata_base);
-
- /* Free the list of data buffers for the section.
- We don't free the buffers themselves since this
- is the users job. */
- runp = scn->data_list.next;
- while (runp != NULL)
- {
- Elf_Data_List *oldp = runp;
- runp = runp->next;
- if ((oldp->flags & ELF_F_MALLOCED) != 0)
- free (oldp);
- }
- }
-
- /* Free the memory for the array. */
- Elf_ScnList *oldp = list;
- list = list->next;
- assert (list == NULL || oldp->cnt == oldp->max);
- if (oldp != (elf->class == ELFCLASS32
- || (offsetof (struct Elf, state.elf32.scns)
- == offsetof (struct Elf, state.elf64.scns))
- ? &elf->state.elf32.scns
- : &elf->state.elf64.scns))
- free (oldp);
- }
- while (list != NULL);
- }
-
- /* Free the section header. */
- if (elf->state.elf.shdr_malloced != 0)
- free (elf->class == ELFCLASS32
- || (offsetof (struct Elf, state.elf32.shdr)
- == offsetof (struct Elf, state.elf64.shdr))
- ? (void *) elf->state.elf32.shdr
- : (void *) elf->state.elf64.shdr);
-
- /* Free the program header. */
- if ((elf->state.elf.phdr_flags & ELF_F_MALLOCED) != 0)
- free (elf->class == ELFCLASS32
- || (offsetof (struct Elf, state.elf32.phdr)
- == offsetof (struct Elf, state.elf64.phdr))
- ? (void *) elf->state.elf32.phdr
- : (void *) elf->state.elf64.phdr);
- break;
-
- default:
- break;
- }
-
- if (elf->map_address != NULL && parent == NULL)
- {
- /* The file was read or mapped for this descriptor. */
- if ((elf->flags & ELF_F_MALLOCED) != 0)
- free (elf->map_address);
- else if ((elf->flags & ELF_F_MMAPPED) != 0)
- munmap (elf->map_address, elf->maximum_size);
- }
-
- rwlock_unlock (elf->lock);
- rwlock_fini (elf->lock);
-
- /* Finally the descriptor itself. */
- free (elf);
-
- return (parent != NULL && parent->ref_count == 0
- ? INTUSE(elf_end) (parent) : 0);
-}
-INTDEF(elf_end)
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-22 19:32:13 +0000