388586bcd8
This function appears to be unused within FreeBSD and ELFToolChain. CID: 1418982 MFC after: 1 week Sponsored by: The FreeBSD Foundation
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*-
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* Copyright (c) 2016 Kai Wang
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <errno.h>
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#include "_libpe.h"
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ELFTC_VCSID("$Id: pe_symtab.c 3312 2016-01-10 09:23:51Z kaiwang27 $");
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int
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pe_update_symtab(PE *pe, char *symtab, size_t sz, unsigned int nsym)
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{
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PE_Scn *ps, *pstmp;
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PE_SecBuf *sb;
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PE_SecHdr *sh;
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if (pe == NULL || symtab == NULL || sz == 0) {
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errno = EINVAL;
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return (-1);
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}
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if (pe->pe_cmd == PE_C_READ || pe->pe_flags & LIBPE_F_FD_DONE) {
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errno = EACCES;
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return (-1);
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}
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/* Remove the old symbol table. */
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STAILQ_FOREACH_SAFE(ps, &pe->pe_scn, ps_next, pstmp) {
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if (ps->ps_ndx == 0xFFFFFFFFU)
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libpe_release_scn(ps);
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}
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/*
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* Insert the new symbol table.
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*/
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if ((ps = libpe_alloc_scn(pe)) == NULL)
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return (-1);
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STAILQ_INSERT_TAIL(&pe->pe_scn, ps, ps_next);
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ps->ps_ndx = 0xFFFFFFFFU;
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ps->ps_flags |= PE_F_DIRTY;
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/*
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* Set the symbol table section offset to the maximum to make sure
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* that it will be placed in the end of the file during section
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* layout.
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*/
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sh = &ps->ps_sh;
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sh->sh_rawptr = 0xFFFFFFFFU;
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sh->sh_rawsize = sz;
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/* Allocate the buffer. */
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if ((sb = libpe_alloc_buffer(ps, 0)) == NULL)
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return (-1);
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sb->sb_flags |= PE_F_DIRTY;
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sb->sb_pb.pb_size = sz;
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sb->sb_pb.pb_buf = symtab;
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pe->pe_nsym = nsym;
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return (0);
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}
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