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-rw-r--r--libdw/libdw_alloc.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/libdw/libdw_alloc.c b/libdw/libdw_alloc.c
new file mode 100644
index 00000000..1c53d366
--- /dev/null
+++ b/libdw/libdw_alloc.c
@@ -0,0 +1,59 @@
+/* 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");
+}