rtld_machdep.h revision 133063
1/*- 2 * Copyright (c) 1999, 2000 John D. Polstra. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 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 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/libexec/rtld-elf/sparc64/rtld_machdep.h 133063 2004-08-03 08:51:00Z dfr $ 27 */ 28 29#ifndef RTLD_MACHDEP_H 30#define RTLD_MACHDEP_H 1 31 32#include <sys/types.h> 33#include <machine/atomic.h> 34 35#define CACHE_LINE_SIZE 128 36 37struct Struct_Obj_Entry; 38 39/* Return the address of the .dynamic section in the dynamic linker. */ 40Elf_Dyn *rtld_dynamic_addr(); 41#define rtld_dynamic(obj) rtld_dynamic_addr() 42#define RTLD_IS_DYNAMIC() (rtld_dynamic_addr() != NULL) 43 44Elf_Addr reloc_jmpslot(Elf_Addr *, Elf_Addr, 45 const struct Struct_Obj_Entry *, 46 const struct Struct_Obj_Entry *, 47 const Elf_Rel *); 48 49#define make_function_pointer(def, defobj) \ 50 ((defobj)->relocbase + (def)->st_value) 51 52#define call_initfini_pointer(obj, target) \ 53 (((InitFunc)(target))()) 54 55#define round(size, align) \ 56 (((size) + (align) - 1) & ~((align) - 1)) 57#define calculate_first_tls_offset(size, align) \ 58 round(size, align) 59#define calculate_tls_offset(prev_offset, prev_size, size, align) \ 60 round((prev_offset) + (size), align) 61#define calculate_tls_end(off, size) ((off) + (size)) 62 63typedef struct { 64 unsigned long ti_module; 65 unsigned long ti_offset; 66} tls_index; 67 68extern void *__tls_get_addr(tls_index *ti); 69 70#endif 71