839529caa9
Some notable improvements include: readelf: - Add AArch64 relocation definitions. - Report value of unknown relocation types. elfcopy: - Consider symbols with STB_GNU_UNIQUE binding as global symbols. - Fixed support for VMA adjustment for loadable sections found in relocatable objects. - Handle nameless global symbols. - Improve wildcard matching for !-prefixed symbols. - Add PE/COFF support. elfdump: - Improve section type reporting. - Add MIPS-specific section types. This update also includes a significant number of bug fixes. PR: 207091 [exp-run] Sponsored by: The FreeBSD Foundation
96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/*-
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* Copyright (c) 2015 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 <sys/queue.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "_libpe.h"
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ELFTC_VCSID("$Id: pe_init.c 3312 2016-01-10 09:23:51Z kaiwang27 $");
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PE *
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pe_init(int fd, PE_Cmd c, PE_Object o)
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{
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PE *pe;
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if ((pe = calloc(1, sizeof(*pe))) == NULL) {
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errno = ENOMEM;
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return (NULL);
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}
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pe->pe_fd = fd;
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pe->pe_cmd = c;
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pe->pe_obj = o;
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STAILQ_INIT(&pe->pe_scn);
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switch (c) {
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case PE_C_READ:
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case PE_C_RDWR:
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if (libpe_open_object(pe) < 0)
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goto init_fail;
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break;
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case PE_C_WRITE:
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if (o < PE_O_PE32 || o > PE_O_COFF) {
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errno = EINVAL;
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goto init_fail;
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}
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break;
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default:
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errno = EINVAL;
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goto init_fail;
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}
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return (pe);
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init_fail:
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pe_finish(pe);
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return (NULL);
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}
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void
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pe_finish(PE *pe)
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{
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if (pe == NULL)
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return;
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libpe_release_object(pe);
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}
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PE_Object
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pe_object(PE *pe)
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{
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if (pe == NULL) {
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errno = EINVAL;
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return (PE_O_UNKNOWN);
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}
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return (pe->pe_obj);
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}
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