1 files changed, 0 insertions, 523 deletions

diff --git a/contrib/elftoolchain/elfcopy/archive.c b/contrib/elftoolchain/elfcopy/archive.c
deleted file mode 100644
index 682a1df66dcc..000000000000
--- a/contrib/elftoolchain/elfcopy/archive.c
+++ /dev/null
@@ -1,523 +0,0 @@
-/*-
- * Copyright (c) 2007-2009 Kai Wang
- * 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 <sys/param.h>
-#include <sys/stat.h>
-#include <err.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#ifndef LIBELF_AR
-#include <archive.h>
-#include <archive_entry.h>
-#endif	/* ! LIBELF_AR */
-
-#include "elfcopy.h"
-
-ELFTC_VCSID("$Id: archive.c 3174 2015-03-27 17:13:41Z emaste $");
-
-#define _ARMAG_LEN 8		/* length of ar magic string */
-#define _ARHDR_LEN 60		/* length of ar header */
-#define _INIT_AS_CAP 128	/* initial archive string table size */
-#define _INIT_SYMOFF_CAP (256*(sizeof(uint32_t))) /* initial so table size */
-#define _INIT_SYMNAME_CAP 1024			  /* initial sn table size */
-#define _MAXNAMELEN_SVR4 15	/* max member name length in svr4 variant */
-
-#ifndef LIBELF_AR
-static void ac_read_objs(struct elfcopy *ecp, int ifd);
-static void ac_write_cleanup(struct elfcopy *ecp);
-static void ac_write_data(struct archive *a, const void *buf, size_t s);
-static void ac_write_objs(struct elfcopy *ecp, int ofd);
-#endif	/* ! LIBELF_AR */
-static void add_to_ar_str_table(struct elfcopy *elfcopy, const char *name);
-static void add_to_ar_sym_table(struct elfcopy *ecp, const char *name);
-static void extract_arsym(struct elfcopy *ecp);
-static void process_ar_obj(struct elfcopy *ecp, struct ar_obj *obj);
-static void sync_ar(struct elfcopy *ecp);
-
-
-static void
-process_ar_obj(struct elfcopy *ecp, struct ar_obj *obj)
-{
-	struct stat	 sb;
-	char		*tempfile;
-	int		 fd;
-
-	/* Output to a temporary file. */
-	create_tempfile(&tempfile, &fd);
-	if ((ecp->eout = elf_begin(fd, ELF_C_WRITE, NULL)) == NULL)
-		errx(EXIT_FAILURE, "elf_begin() failed: %s",
-		    elf_errmsg(-1));
-	elf_flagelf(ecp->eout, ELF_C_SET, ELF_F_LAYOUT);
-	create_elf(ecp);
-	elf_end(ecp->ein);
-	elf_end(ecp->eout);
-	free(obj->buf);
-	obj->buf = NULL;
-
-	/* Extract archive symbols. */
-	if (lseek(fd, 0, SEEK_SET) < 0)
-		err(EXIT_FAILURE, "lseek failed for '%s'", tempfile);
-	if ((ecp->eout = elf_begin(fd, ELF_C_READ, NULL)) == NULL)
-		errx(EXIT_FAILURE, "elf_begin() failed: %s",
-		    elf_errmsg(-1));
-	extract_arsym(ecp);
-	elf_end(ecp->eout);
-
-	if (fstat(fd, &sb) == -1)
-		err(EXIT_FAILURE, "fstat %s failed", tempfile);
-	if (lseek(fd, 0, SEEK_SET) < 0)
-		err(EXIT_FAILURE, "lseek %s failed", tempfile);
-	obj->size = sb.st_size;
-	if ((obj->maddr = malloc(obj->size)) == NULL)
-		err(EXIT_FAILURE, "memory allocation failed for '%s'",
-		    tempfile);
-	if ((size_t) read(fd, obj->maddr, obj->size) != obj->size)
-		err(EXIT_FAILURE, "read failed for '%s'", tempfile);
-	if (unlink(tempfile))
-		err(EXIT_FAILURE, "unlink %s failed", tempfile);
-	free(tempfile);
-	close(fd);
-	if (strlen(obj->name) > _MAXNAMELEN_SVR4)
-		add_to_ar_str_table(ecp, obj->name);
-	ecp->rela_off += _ARHDR_LEN + obj->size + obj->size % 2;
-	STAILQ_INSERT_TAIL(&ecp->v_arobj, obj, objs);
-}
-
-/*
- * Append to the archive string table buffer.
- */
-static void
-add_to_ar_str_table(struct elfcopy *ecp, const char *name)
-{
-
-	if (ecp->as == NULL) {
-		ecp->as_cap = _INIT_AS_CAP;
-		ecp->as_sz = 0;
-		if ((ecp->as = malloc(ecp->as_cap)) == NULL)
-			err(EXIT_FAILURE, "malloc failed");
-	}
-
-	/*
-	 * The space required for holding one member name in as table includes:
-	 * strlen(name) + (1 for '/') + (1 for '\n') + (possibly 1 for padding).
-	 */
-	while (ecp->as_sz + strlen(name) + 3 > ecp->as_cap) {
-		ecp->as_cap *= 2;
-		ecp->as = realloc(ecp->as, ecp->as_cap);
-		if (ecp->as == NULL)
-			err(EXIT_FAILURE, "realloc failed");
-	}
-	strncpy(&ecp->as[ecp->as_sz], name, strlen(name));
-	ecp->as_sz += strlen(name);
-	ecp->as[ecp->as_sz++] = '/';
-	ecp->as[ecp->as_sz++] = '\n';
-}
-
-/*
- * Append to the archive symbol table buffer.
- */
-static void
-add_to_ar_sym_table(struct elfcopy *ecp, const char *name)
-{
-
-	if (ecp->s_so == NULL) {
-		if ((ecp->s_so = malloc(_INIT_SYMOFF_CAP)) == NULL)
-			err(EXIT_FAILURE, "malloc failed");
-		ecp->s_so_cap = _INIT_SYMOFF_CAP;
-		ecp->s_cnt = 0;
-	}
-
-	if (ecp->s_sn == NULL) {
-		if ((ecp->s_sn = malloc(_INIT_SYMNAME_CAP)) == NULL)
-			err(EXIT_FAILURE, "malloc failed");
-		ecp->s_sn_cap = _INIT_SYMNAME_CAP;
-		ecp->s_sn_sz = 0;
-	}
-
-	if (ecp->s_cnt * sizeof(uint32_t) >= ecp->s_so_cap) {
-		ecp->s_so_cap *= 2;
-		ecp->s_so = realloc(ecp->s_so, ecp->s_so_cap);
-		if (ecp->s_so == NULL)
-			err(EXIT_FAILURE, "realloc failed");
-	}
-	ecp->s_so[ecp->s_cnt] = ecp->rela_off;
-	ecp->s_cnt++;
-
-	/*
-	 * The space required for holding one symbol name in sn table includes:
-	 * strlen(name) + (1 for '\n') + (possibly 1 for padding).
-	 */
-	while (ecp->s_sn_sz + strlen(name) + 2 > ecp->s_sn_cap) {
-		ecp->s_sn_cap *= 2;
-		ecp->s_sn = realloc(ecp->s_sn, ecp->s_sn_cap);
-		if (ecp->s_sn == NULL)
-			err(EXIT_FAILURE, "realloc failed");
-	}
-	strncpy(&ecp->s_sn[ecp->s_sn_sz], name, strlen(name));
-	ecp->s_sn_sz += strlen(name);
-	ecp->s_sn[ecp->s_sn_sz++] = '\0';
-}
-
-static void
-sync_ar(struct elfcopy *ecp)
-{
-	size_t s_sz;		/* size of archive symbol table. */
-	size_t pm_sz;		/* size of pseudo members */
-	int i;
-
-	/*
-	 * Pad the symbol name string table. It is treated specially because
-	 * symbol name table should be padded by a '\0', not the common '\n'
-	 * for other members. The size of sn table includes the pad bit.
-	 */
-	if (ecp->s_cnt != 0 && ecp->s_sn_sz % 2 != 0)
-		ecp->s_sn[ecp->s_sn_sz++] = '\0';
-
-	/*
-	 * Archive string table is padded by a "\n" as the normal members.
-	 * The difference is that the size of archive string table counts
-	 * in the pad bit, while normal members' size fileds do not.
-	 */
-	if (ecp->as != NULL && ecp->as_sz % 2 != 0)
-		ecp->as[ecp->as_sz++] = '\n';
-
-	/*
-	 * If there is a symbol table, calculate the size of pseudo members,
-	 * convert previously stored relative offsets to absolute ones, and
-	 * then make them Big Endian.
-	 *
-	 * absolute_offset = htobe32(relative_offset + size_of_pseudo_members)
-	 */
-
-	if (ecp->s_cnt != 0) {
-		s_sz = (ecp->s_cnt + 1) * sizeof(uint32_t) + ecp->s_sn_sz;
-		pm_sz = _ARMAG_LEN + (_ARHDR_LEN + s_sz);
-		if (ecp->as != NULL)
-			pm_sz += _ARHDR_LEN + ecp->as_sz;
-		for (i = 0; (size_t)i < ecp->s_cnt; i++)
-			*(ecp->s_so + i) = htobe32(*(ecp->s_so + i) +
-			    pm_sz);
-	}
-}
-
-/*
- * Extract global symbols from archive members.
- */
-static void
-extract_arsym(struct elfcopy *ecp)
-{
-	Elf_Scn		*scn;
-	GElf_Shdr	 shdr;
-	GElf_Sym	 sym;
-	Elf_Data	*data;
-	char		*name;
-	size_t		 n, shstrndx;
-	int		 elferr, tabndx, len, i;
-
-	if (elf_kind(ecp->eout) != ELF_K_ELF) {
-		warnx("internal: cannot extract symbols from non-elf object");
-		return;
-	}
-	if (elf_getshstrndx(ecp->eout, &shstrndx) == 0) {
-		warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
-		return;
-	}
-
-	tabndx = -1;
-	scn = NULL;
-	while ((scn = elf_nextscn(ecp->eout, scn)) != NULL) {
-		if (gelf_getshdr(scn, &shdr) != &shdr) {
-			warnx("elf_getshdr failed: %s", elf_errmsg(-1));
-			continue;
-		}
-		if ((name = elf_strptr(ecp->eout, shstrndx, shdr.sh_name)) ==
-		    NULL) {
-			warnx("elf_strptr failed: %s", elf_errmsg(-1));
-			continue;
-		}
-		if (strcmp(name, ".strtab") == 0) {
-			tabndx = elf_ndxscn(scn);
-			break;
-		}
-	}
-	elferr = elf_errno();
-	if (elferr != 0)
-		warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
-
-	/* Ignore members without symbol table. */
-	if (tabndx == -1)
-		return;
-
-	scn = NULL;
-	while ((scn = elf_nextscn(ecp->eout, scn)) != NULL) {
-		if (gelf_getshdr(scn, &shdr) != &shdr) {
-			warnx("elf_getshdr failed: %s", elf_errmsg(-1));
-			continue;
-		}
-		if (shdr.sh_type != SHT_SYMTAB)
-			continue;
-
-		data = NULL;
-		n = 0;
-		while (n < shdr.sh_size &&
-		    (data = elf_getdata(scn, data)) != NULL) {
-			len = data->d_size / shdr.sh_entsize;
-			for (i = 0; i < len; i++) {
-				if (gelf_getsym(data, i, &sym) != &sym) {
-					warnx("gelf_getsym failed: %s",
-					     elf_errmsg(-1));
-					continue;
-				}
-
-				/* keep only global or weak symbols */
-				if (GELF_ST_BIND(sym.st_info) != STB_GLOBAL &&
-				    GELF_ST_BIND(sym.st_info) != STB_WEAK)
-					continue;
-
-				/* keep only defined symbols */
-				if (sym.st_shndx == SHN_UNDEF)
-					continue;
-
-				if ((name = elf_strptr(ecp->eout, tabndx,
-				    sym.st_name)) == NULL) {
-					warnx("elf_strptr failed: %s",
-					     elf_errmsg(-1));
-					continue;
-				}
-
-				add_to_ar_sym_table(ecp, name);
-			}
-		}
-	}
-	elferr = elf_errno();
-	if (elferr != 0)
-		warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
-}
-
-#ifndef LIBELF_AR
-
-/*
- * Convenient wrapper for general libarchive error handling.
- */
-#define	AC(CALL) do {							\
-	if ((CALL))							\
-		errx(EXIT_FAILURE, "%s", archive_error_string(a));	\
-} while (0)
-
-/* Earlier versions of libarchive had some functions that returned 'void'. */
-#if	ARCHIVE_VERSION_NUMBER >= 2000000
-#define	ACV(CALL) 	AC(CALL)
-#else
-#define	ACV(CALL)	do {						\
-		(CALL);							\
-	} while (0)
-#endif
-
-int
-ac_detect_ar(int ifd)
-{
-	struct archive		*a;
-	struct archive_entry	*entry;
-	int			 r;
-
-	r = -1;
-	if ((a = archive_read_new()) == NULL)
-		return (0);
-	archive_read_support_format_ar(a);
-	if (archive_read_open_fd(a, ifd, 10240) == ARCHIVE_OK)
-		r = archive_read_next_header(a, &entry);
-	archive_read_close(a);
-	archive_read_free(a);
-
-	return (r == ARCHIVE_OK);
-}
-
-void
-ac_create_ar(struct elfcopy *ecp, int ifd, int ofd)
-{
-
-	ac_read_objs(ecp, ifd);
-	sync_ar(ecp);
-	ac_write_objs(ecp, ofd);
-	ac_write_cleanup(ecp);
-}
-
-static void
-ac_read_objs(struct elfcopy *ecp, int ifd)
-{
-	struct archive		*a;
-	struct archive_entry	*entry;
-	struct ar_obj		*obj;
-	const char		*name;
-	char			*buff;
-	size_t			 size;
-	int			 r;
-
-	ecp->rela_off = 0;
-	if (lseek(ifd, 0, SEEK_SET) == -1)
-		err(EXIT_FAILURE, "lseek failed");
-	if ((a = archive_read_new()) == NULL)
-		errx(EXIT_FAILURE, "%s", archive_error_string(a));
-	archive_read_support_format_ar(a);
-	AC(archive_read_open_fd(a, ifd, 10240));
-	for(;;) {
-		r = archive_read_next_header(a, &entry);
-		if (r == ARCHIVE_FATAL)
-			errx(EXIT_FAILURE, "%s", archive_error_string(a));
-		if (r == ARCHIVE_EOF)
-			break;
-		if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY)
-			warnx("%s", archive_error_string(a));
-		if (r == ARCHIVE_RETRY)
-			continue;
-
-		name = archive_entry_pathname(entry);
-
-		/* skip pseudo members. */
-		if (strcmp(name, "/") == 0 || strcmp(name, "//") == 0)
-			continue;
-
-		size = archive_entry_size(entry);
-
-		if (size > 0) {
-			if ((buff = malloc(size)) == NULL)
-				err(EXIT_FAILURE, "malloc failed");
-			if (archive_read_data(a, buff, size) != (ssize_t)size) {
-				warnx("%s", archive_error_string(a));
-				free(buff);
-				continue;
-			}
-			if ((obj = malloc(sizeof(*obj))) == NULL)
-				err(EXIT_FAILURE, "malloc failed");
-			if ((obj->name = strdup(name)) == NULL)
-				err(EXIT_FAILURE, "strdup failed");
-			obj->buf = buff;
-			obj->uid = archive_entry_uid(entry);
-			obj->gid = archive_entry_gid(entry);
-			obj->md = archive_entry_mode(entry);
-			obj->mtime = archive_entry_mtime(entry);
-			if ((ecp->ein = elf_memory(buff, size)) == NULL)
-				errx(EXIT_FAILURE, "elf_memory() failed: %s",
-				    elf_errmsg(-1));
-			if (elf_kind(ecp->ein) != ELF_K_ELF)
-				errx(EXIT_FAILURE,
-				    "file format not recognized");
-			process_ar_obj(ecp, obj);
-		}
-	}
-	AC(archive_read_close(a));
-	ACV(archive_read_free(a));
-}
-
-static void
-ac_write_objs(struct elfcopy *ecp, int ofd)
-{
-	struct archive		*a;
-	struct archive_entry	*entry;
-	struct ar_obj		*obj;
-	int			 nr;
-
-	if ((a = archive_write_new()) == NULL)
-		errx(EXIT_FAILURE, "%s", archive_error_string(a));
-	archive_write_set_format_ar_svr4(a);
-	AC(archive_write_open_fd(a, ofd));
-
-	/* Write the archive symbol table, even if it's empty. */
-	entry = archive_entry_new();
-	archive_entry_copy_pathname(entry, "/");
-	archive_entry_set_mtime(entry, time(NULL), 0);
-	archive_entry_set_size(entry, (ecp->s_cnt + 1) * sizeof(uint32_t) +
-	    ecp->s_sn_sz);
-	AC(archive_write_header(a, entry));
-	nr = htobe32(ecp->s_cnt);
-	ac_write_data(a, &nr, sizeof(uint32_t));
-	ac_write_data(a, ecp->s_so, sizeof(uint32_t) * ecp->s_cnt);
-	ac_write_data(a, ecp->s_sn, ecp->s_sn_sz);
-	archive_entry_free(entry);
-
-	/* Write the archive string table, if exist. */
-	if (ecp->as != NULL) {
-		entry = archive_entry_new();
-		archive_entry_copy_pathname(entry, "//");
-		archive_entry_set_size(entry, ecp->as_sz);
-		AC(archive_write_header(a, entry));
-		ac_write_data(a, ecp->as, ecp->as_sz);
-		archive_entry_free(entry);
-	}
-
-	/* Write normal members. */
-	STAILQ_FOREACH(obj, &ecp->v_arobj, objs) {
-		entry = archive_entry_new();
-		archive_entry_copy_pathname(entry, obj->name);
-		archive_entry_set_uid(entry, obj->uid);
-		archive_entry_set_gid(entry, obj->gid);
-		archive_entry_set_mode(entry, obj->md);
-		archive_entry_set_size(entry, obj->size);
-		archive_entry_set_mtime(entry, obj->mtime, 0);
-		archive_entry_set_filetype(entry, AE_IFREG);
-		AC(archive_write_header(a, entry));
-		ac_write_data(a, obj->maddr, obj->size);
-		archive_entry_free(entry);
-	}
-
-	AC(archive_write_close(a));
-	ACV(archive_write_free(a));
-}
-
-static void
-ac_write_cleanup(struct elfcopy *ecp)
-{
-	struct ar_obj		*obj, *obj_temp;
-
-	STAILQ_FOREACH_SAFE(obj, &ecp->v_arobj, objs, obj_temp) {
-		STAILQ_REMOVE(&ecp->v_arobj, obj, ar_obj, objs);
-		if (obj->maddr != NULL)
-			free(obj->maddr);
-		free(obj->name);
-		free(obj);
-	}
-
-	free(ecp->as);
-	free(ecp->s_so);
-	free(ecp->s_sn);
-	ecp->as = NULL;
-	ecp->s_so = NULL;
-	ecp->s_sn = NULL;
-}
-
-/*
- * Wrapper for archive_write_data().
- */
-static void
-ac_write_data(struct archive *a, const void *buf, size_t s)
-{
-	if (archive_write_data(a, buf, s) != (ssize_t)s)
-		errx(EXIT_FAILURE, "%s", archive_error_string(a));
-}
-
-#endif	/* ! LIBELF_AR */