blob: d1a86dd7af2ba0d899921d9d609b504e91e3f37f [file] [log] [blame]
/* Create new subsection section in given section.
Copyright (C) 2002 Red Hat, Inc.
This file is part of Red Hat elfutils.
Written by Ulrich Drepper <>, 2002.
Red Hat elfutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by the
Free Software Foundation; version 2 of the License.
Red Hat elfutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
General Public License for more details.
You should have received a copy of the GNU General Public License along
with Red Hat elfutils; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
Red Hat elfutils is an included package of the Open Invention Network.
An included package of the Open Invention Network is a package for which
Open Invention Network licensees cross-license their patents. No patent
license is granted, either expressly or impliedly, by designation as an
included package. Should you wish to participate in the Open Invention
Network licensing program, please visit
<>. */
# include <config.h>
#include <stdlib.h>
#include <libasmP.h>
#include <system.h>
AsmScn_t *
asm_newsubscn (asmscn, nr)
AsmScn_t *asmscn;
unsigned int nr;
AsmScn_t *runp;
AsmScn_t *newp;
/* Just return if no section is given. The error must have been
somewhere else. */
if (asmscn == NULL)
return NULL;
/* Determine whether there is already a subsection with this number. */
runp = asmscn->subsection_id == 0 ? asmscn : asmscn->data.up;
while (1)
if (runp->subsection_id == nr)
/* Found it. */
return runp;
if (runp->subnext == NULL || runp->subnext->subsection_id > nr)
runp = runp->subnext;
newp = (AsmScn_t *) malloc (sizeof (AsmScn_t));
if (newp == NULL)
return NULL;
/* Same assembler context than the original section. */
newp->ctx = runp->ctx;
/* User provided the subsectio nID. */
newp->subsection_id = nr;
/* Inherit the parent's type. */
newp->type = runp->type;
/* Pointer to the zeroth subsection. */
newp->data.up = runp->subsection_id == 0 ? runp : runp->data.up;
/* We start at offset zero. */
newp->offset = 0;
/* And generic alignment. */
newp->max_align = 1;
/* No output yet. */
newp->content = NULL;
/* Inherit the fill pattern from the section this one is derived from. */
newp->pattern = asmscn->pattern;
/* Enqueue at the right position in the list. */
newp->subnext = runp->subnext;
runp->subnext = newp;
return newp;