diff options
Diffstat (limited to 'libdw/libdw_alloc.c')
-rw-r--r-- | libdw/libdw_alloc.c | 59 |
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"); +} |