2 * Copyright (c) 2010 Konstantin Belousov <kib@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Neither the name of the author nor the names of any co-contributors
11 * may be used to endorse or promote products derived from this software
12 * without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: head/lib/libc/gen/elf_utils.c 217154 2011-01-08 17:13:43Z kib $
32 __elf_phdr_match_addr(struct dl_phdr_info
*phdr_info
, void *addr
)
37 for (i
= 0; i
< phdr_info
->dlpi_phnum
; i
++) {
38 ph
= &phdr_info
->dlpi_phdr
[i
];
39 if (ph
->p_type
!= PT_LOAD
|| (ph
->p_flags
& PF_X
) == 0)
41 if (phdr_info
->dlpi_addr
+ ph
->p_vaddr
<= (uintptr_t)addr
&&
42 (uintptr_t)addr
+ sizeof(addr
) < phdr_info
->dlpi_addr
+
43 ph
->p_vaddr
+ ph
->p_memsz
)
46 return (i
!= phdr_info
->dlpi_phnum
);