mirror of
https://github.com/openharmony/third_party_elfutils.git
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zhanghaibo
e660ab2124
Signed-off-by: zhanghaibo <zhanghaibo0@huawei.com> Change-Id: I83c8756f5ce0a464b037bc963cfdce43df82921b
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/* Create new section group.
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Copyright (C) 2002, 2016 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2002.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libasmP.h"
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#include <system.h>
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AsmScnGrp_t *
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asm_newscngrp (AsmCtx_t *ctx, const char *grpname, AsmSym_t *signature,
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Elf32_Word flags)
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{
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AsmScnGrp_t *result;
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size_t grpname_len = strlen (grpname) + 1;
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if (ctx == NULL)
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return NULL;
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if ((flags & ~GRP_COMDAT) != 0)
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{
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/* This is not a supported flag. */
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__libasm_seterrno (ASM_E_INVALID);
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return NULL;
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}
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result = malloc (sizeof (AsmScnGrp_t) + grpname_len);
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if (result == NULL)
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return NULL;
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result->signature = signature;
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result->members = NULL;
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result->nmembers = 0;
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result->flags = flags;
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memcpy (result->name, grpname, grpname_len);
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result->strent = dwelf_strtab_add_len (ctx->section_strtab, result->name,
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grpname_len);
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if (unlikely (ctx->textp))
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// XXX TBI. What is the format?
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abort ();
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else
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{
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result->scn = elf_newscn (ctx->out.elf);
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if (result->scn == NULL)
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{
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/* Couldn't allocate a new section. */
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__libasm_seterrno (ASM_E_LIBELF);
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free (result);
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return NULL;
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}
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}
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/* Enqueue is the context data structure. */
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if (ctx->ngroups == 0)
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{
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assert (ctx->groups == NULL);
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ctx->groups = result->next = result;
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}
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else
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{
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result->next = ctx->groups->next;
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ctx->groups = ctx->groups->next = result;
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}
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++ctx->ngroups;
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return result;
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}
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