diff options
Diffstat (limited to 'lib/libelf/libelf_allocate.c')
| -rw-r--r-- | lib/libelf/libelf_allocate.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/lib/libelf/libelf_allocate.c b/lib/libelf/libelf_allocate.c deleted file mode 100644 index 1fa1eee..0000000 --- a/lib/libelf/libelf_allocate.c +++ /dev/null @@ -1,209 +0,0 @@ -/*- - * Copyright (c) 2006 Joseph Koshy - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Internal APIs - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/errno.h> - -#include <assert.h> -#include <libelf.h> -#include <stdlib.h> -#include <string.h> - -#include "_libelf.h" - -Elf * -_libelf_allocate_elf(void) -{ - Elf *e; - - if ((e = malloc(sizeof(*e))) == NULL) { - LIBELF_SET_ERROR(RESOURCE, errno); - return NULL; - } - - e->e_activations = 1; - e->e_arhdr = NULL; - e->e_byteorder = ELFDATANONE; - e->e_class = ELFCLASSNONE; - e->e_cmd = ELF_C_NULL; - e->e_fd = -1; - e->e_flags = 0; - e->e_kind = ELF_K_NONE; - e->e_parent = NULL; - e->e_rawfile = NULL; - e->e_rawsize = 0; - e->e_version = LIBELF_PRIVATE(version); - - (void) memset(&e->e_u, 0, sizeof(e->e_u)); - - return (e); -} - -void -_libelf_init_elf(Elf *e, Elf_Kind kind) -{ - assert(e != NULL); - assert(e->e_kind == ELF_K_NONE); - - e->e_kind = kind; - - switch (kind) { - case ELF_K_ELF: - STAILQ_INIT(&e->e_u.e_elf.e_scn); - break; - default: - break; - } -} - -#define FREE(P) do { \ - if (P) \ - free(P); \ - } while (0) - - -Elf * -_libelf_release_elf(Elf *e) -{ - switch (e->e_kind) { - case ELF_K_AR: - FREE(e->e_u.e_ar.e_symtab); - break; - - case ELF_K_ELF: - switch (e->e_class) { - case ELFCLASS32: - FREE(e->e_u.e_elf.e_ehdr.e_ehdr32); - FREE(e->e_u.e_elf.e_phdr.e_phdr32); - break; - case ELFCLASS64: - FREE(e->e_u.e_elf.e_ehdr.e_ehdr64); - FREE(e->e_u.e_elf.e_phdr.e_phdr64); - break; - } - - assert(STAILQ_EMPTY(&e->e_u.e_elf.e_scn)); - - if (e->e_arhdr) { - FREE(e->e_arhdr->ar_name); - FREE(e->e_arhdr->ar_rawname); - free(e->e_arhdr); - } - - break; - - default: - break; - } - - free(e); - - return (NULL); -} - -Elf_Data * -_libelf_allocate_data(Elf_Scn *s) -{ - Elf_Data *d; - - if ((d = calloc((size_t) 1, sizeof(Elf_Data))) == NULL) { - LIBELF_SET_ERROR(RESOURCE, 0); - return (NULL); - } - - d->d_scn = s; - - return (d); -} - -Elf_Data * -_libelf_release_data(Elf_Data *d) -{ - - if (d->d_flags & LIBELF_F_MALLOCED) - free(d->d_buf); - - free(d); - - return (NULL); -} - -Elf_Scn * -_libelf_allocate_scn(Elf *e, size_t ndx) -{ - Elf_Scn *s; - - if ((s = calloc((size_t) 1, sizeof(Elf_Scn))) == NULL) { - LIBELF_SET_ERROR(RESOURCE, errno); - return (NULL); - } - - s->s_elf = e; - s->s_ndx = ndx; - - STAILQ_INIT(&s->s_data); - STAILQ_INIT(&s->s_rawdata); - - STAILQ_INSERT_TAIL(&e->e_u.e_elf.e_scn, s, s_next); - - return (s); -} - -Elf_Scn * -_libelf_release_scn(Elf_Scn *s) -{ - Elf *e; - Elf_Data *d, *td; - - assert(s != NULL); - - STAILQ_FOREACH_SAFE(d, &s->s_data, d_next, td) { - STAILQ_REMOVE(&s->s_data, d, _Elf_Data, d_next); - d = _libelf_release_data(d); - } - - STAILQ_FOREACH_SAFE(d, &s->s_rawdata, d_next, td) { - assert((d->d_flags & LIBELF_F_MALLOCED) == 0); - STAILQ_REMOVE(&s->s_rawdata, d, _Elf_Data, d_next); - d = _libelf_release_data(d); - } - - e = s->s_elf; - - assert(e != NULL); - - STAILQ_REMOVE(&e->e_u.e_elf.e_scn, s, _Elf_Scn, s_next); - - free(s); - - return (NULL); -} |
