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Diffstat (limited to 'linkers/elftoolchain/libelf/elf_data.c')
-rw-r--r--linkers/elftoolchain/libelf/elf_data.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/linkers/elftoolchain/libelf/elf_data.c b/linkers/elftoolchain/libelf/elf_data.c
deleted file mode 100644
index 5ac6453..0000000
--- a/linkers/elftoolchain/libelf/elf_data.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*-
- * Copyright (c) 2006,2008,2011 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.
- */
-
-#include <assert.h>
-#include <errno.h>
-#include <libelf.h>
-#include <stdlib.h>
-
-#include "_libelf.h"
-
-LIBELF_VCSID("$Id: elf_data.c 1765 2011-08-22 05:59:05Z jkoshy $");
-
-Elf_Data *
-elf_getdata(Elf_Scn *s, Elf_Data *d)
-{
- Elf *e;
- size_t fsz, msz, count;
- int elfclass, elftype;
- unsigned int sh_type;
- uint64_t sh_align, sh_offset, sh_size;
- int (*xlate)(char *_d, size_t _dsz, char *_s, size_t _c, int _swap);
-
- if (s == NULL || (e = s->s_elf) == NULL ||
- (d != NULL && s != d->d_scn)) {
- LIBELF_SET_ERROR(ARGUMENT, 0);
- return (NULL);
- }
-
- assert(e->e_kind == ELF_K_ELF);
-
- if (d == NULL && (d = STAILQ_FIRST(&s->s_data)) != NULL)
- return (d);
-
- if (d != NULL)
- return (STAILQ_NEXT(d, d_next));
-
- if (e->e_rawfile == NULL) {
- /*
- * In the ELF_C_WRITE case, there is no source that
- * can provide data for the section.
- */
- LIBELF_SET_ERROR(ARGUMENT, 0);
- return (NULL);
- }
-
- elfclass = e->e_class;
-
- assert(elfclass == ELFCLASS32 || elfclass == ELFCLASS64);
-
- if (elfclass == ELFCLASS32) {
- sh_type = s->s_shdr.s_shdr32.sh_type;
- sh_offset = (uint64_t) s->s_shdr.s_shdr32.sh_offset;
- sh_size = (uint64_t) s->s_shdr.s_shdr32.sh_size;
- sh_align = (uint64_t) s->s_shdr.s_shdr32.sh_addralign;
- } else {
- sh_type = s->s_shdr.s_shdr64.sh_type;
- sh_offset = s->s_shdr.s_shdr64.sh_offset;
- sh_size = s->s_shdr.s_shdr64.sh_size;
- sh_align = s->s_shdr.s_shdr64.sh_addralign;
- }
-
- if (sh_type == SHT_NULL) {
- LIBELF_SET_ERROR(SECTION, 0);
- return (NULL);
- }
-
- if ((elftype = _libelf_xlate_shtype(sh_type)) < ELF_T_FIRST ||
- elftype > ELF_T_LAST || (sh_type != SHT_NOBITS &&
- sh_offset + sh_size > (uint64_t) e->e_rawsize)) {
- LIBELF_SET_ERROR(SECTION, 0);
- return (NULL);
- }
-
- if ((fsz = (elfclass == ELFCLASS32 ? elf32_fsize : elf64_fsize)
- (elftype, (size_t) 1, e->e_version)) == 0) {
- LIBELF_SET_ERROR(UNIMPL, 0);
- return (NULL);
- }
-
- if (sh_size % fsz) {
- LIBELF_SET_ERROR(SECTION, 0);
- return (NULL);
- }
-
- count = sh_size / fsz;
-
- msz = _libelf_msize(elftype, elfclass, e->e_version);
-
- assert(msz > 0);
-
- if ((d = _libelf_allocate_data(s)) == NULL)
- return (NULL);
-
- d->d_buf = NULL;
- d->d_off = 0;
- d->d_align = sh_align;
- d->d_size = msz * count;
- d->d_type = elftype;
- d->d_version = e->e_version;
-
- if (sh_type == SHT_NOBITS || sh_size == 0) {
- STAILQ_INSERT_TAIL(&s->s_data, d, d_next);
- return (d);
- }
-
- if ((d->d_buf = malloc(msz*count)) == NULL) {
- (void) _libelf_release_data(d);
- LIBELF_SET_ERROR(RESOURCE, 0);
- return (NULL);
- }
-
- d->d_flags |= LIBELF_F_DATA_MALLOCED;
-
- xlate = _libelf_get_translator(elftype, ELF_TOMEMORY, elfclass);
- if (!(*xlate)(d->d_buf, d->d_size, e->e_rawfile + sh_offset, count,
- e->e_byteorder != LIBELF_PRIVATE(byteorder))) {
- _libelf_release_data(d);
- LIBELF_SET_ERROR(DATA, 0);
- return (NULL);
- }
-
- STAILQ_INSERT_TAIL(&s->s_data, d, d_next);
-
- return (d);
-}
-
-Elf_Data *
-elf_newdata(Elf_Scn *s)
-{
- Elf *e;
- Elf_Data *d;
-
- if (s == NULL || (e = s->s_elf) == NULL) {
- LIBELF_SET_ERROR(ARGUMENT, 0);
- return (NULL);
- }
-
- assert(e->e_kind == ELF_K_ELF);
-
- /*
- * elf_newdata() has to append a data descriptor, so
- * bring in existing section data if not already present.
- */
- if (e->e_rawfile && s->s_size > 0 && STAILQ_EMPTY(&s->s_data))
- if (elf_getdata(s, NULL) == NULL)
- return (NULL);
-
- if ((d = _libelf_allocate_data(s)) == NULL)
- return (NULL);
-
- STAILQ_INSERT_TAIL(&s->s_data, d, d_next);
-
- d->d_align = 1;
- d->d_buf = NULL;
- d->d_off = (uint64_t) ~0;
- d->d_size = 0;
- d->d_type = ELF_T_BYTE;
- d->d_version = LIBELF_PRIVATE(version);
-
- (void) elf_flagscn(s, ELF_C_SET, ELF_F_DIRTY);
-
- return (d);
-}
-
-/*
- * Retrieve a data descriptor for raw (untranslated) data for section
- * `s'.
- */
-
-Elf_Data *
-elf_rawdata(Elf_Scn *s, Elf_Data *d)
-{
- Elf *e;
- int elf_class;
- uint32_t sh_type;
- uint64_t sh_align, sh_offset, sh_size;
-
- if (s == NULL || (e = s->s_elf) == NULL || e->e_rawfile == NULL) {
- LIBELF_SET_ERROR(ARGUMENT, 0);
- return (NULL);
- }
-
- assert(e->e_kind == ELF_K_ELF);
-
- if (d == NULL && (d = STAILQ_FIRST(&s->s_rawdata)) != NULL)
- return (d);
-
- if (d != NULL)
- return (STAILQ_NEXT(d, d_next));
-
- elf_class = e->e_class;
-
- assert(elf_class == ELFCLASS32 || elf_class == ELFCLASS64);
-
- if (elf_class == ELFCLASS32) {
- sh_type = s->s_shdr.s_shdr32.sh_type;
- sh_offset = (uint64_t) s->s_shdr.s_shdr32.sh_offset;
- sh_size = (uint64_t) s->s_shdr.s_shdr32.sh_size;
- sh_align = (uint64_t) s->s_shdr.s_shdr32.sh_addralign;
- } else {
- sh_type = s->s_shdr.s_shdr64.sh_type;
- sh_offset = s->s_shdr.s_shdr64.sh_offset;
- sh_size = s->s_shdr.s_shdr64.sh_size;
- sh_align = s->s_shdr.s_shdr64.sh_addralign;
- }
-
- if (sh_type == SHT_NULL)
- return (NULL);
-
- if ((d = _libelf_allocate_data(s)) == NULL)
- return (NULL);
-
- d->d_buf = (sh_type == SHT_NOBITS || sh_size == 0) ? NULL :
- e->e_rawfile + sh_offset;
- d->d_off = 0;
- d->d_align = sh_align;
- d->d_size = sh_size;
- d->d_type = ELF_T_BYTE;
- d->d_version = e->e_version;
-
- STAILQ_INSERT_TAIL(&s->s_rawdata, d, d_next);
-
- return (d);
-}
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