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/* Memory handling for libdw.
Copyright (C) 2003, 2004 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 2003.
This program is Open Source software; you can redistribute it and/or
modify it under the terms of the Open Software License version 1.0 as
published by the Open Source Initiative.
You should have received a copy of the Open Software License along
with this program; if not, you may obtain a copy of the Open Software
License version 1.0 from http://www.opensource.org/licenses/osl.php or
by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
3001 King Ranch Road, Ukiah, CA 95482. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <error.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/param.h>
#include "libdwP.h"
void *
__libdw_allocate (Dwarf *dbg, size_t minsize)
{
size_t size = MAX (dbg->mem_default_size,
2 * minsize + offsetof (struct libdw_memblock, mem));
struct libdw_memblock *newp = malloc (size);
if (newp == NULL)
dbg->oom_handler ();
newp->size = newp->remaining = size - offsetof (struct libdw_memblock, mem);
newp->prev = dbg->mem_tail;
dbg->mem_tail = newp;
return newp->mem;
}
Dwarf_OOM
dwarf_new_oom_handler (Dwarf *dbg, Dwarf_OOM handler)
{
Dwarf_OOM old = dbg->oom_handler;
dbg->oom_handler = handler;
return old;
}
void
__attribute ((noreturn, visibility ("hidden")))
__libdw_oom (void)
{
while (1)
error (EXIT_FAILURE, ENOMEM, "libdw");
}
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