/* 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"); }