rtld_machdep.h revision 232831
192195Sjake/*- 292195Sjake * Copyright (c) 1999, 2000 John D. Polstra. 392195Sjake * All rights reserved. 492195Sjake * 592195Sjake * Redistribution and use in source and binary forms, with or without 692195Sjake * modification, are permitted provided that the following conditions 792195Sjake * are met: 892195Sjake * 1. Redistributions of source code must retain the above copyright 992195Sjake * notice, this list of conditions and the following disclaimer. 1092195Sjake * 2. Redistributions in binary form must reproduce the above copyright 1192195Sjake * notice, this list of conditions and the following disclaimer in the 1292195Sjake * documentation and/or other materials provided with the distribution. 1392195Sjake * 1492195Sjake * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1592195Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1692195Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1792195Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1892195Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1992195Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2092195Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2192195Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2292195Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2392195Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2492195Sjake * SUCH DAMAGE. 2592195Sjake * 2692195Sjake * $FreeBSD: head/libexec/rtld-elf/sparc64/rtld_machdep.h 232831 2012-03-11 20:03:09Z kib $ 2792195Sjake */ 2892195Sjake 2992195Sjake#ifndef RTLD_MACHDEP_H 3092195Sjake#define RTLD_MACHDEP_H 1 3192195Sjake 32104724Sru#include <sys/types.h> 3392195Sjake#include <machine/atomic.h> 3492195Sjake 3592195Sjakestruct Struct_Obj_Entry; 3692195Sjake 3792195Sjake/* Return the address of the .dynamic section in the dynamic linker. */ 38174128SrwatsonElf_Dyn *rtld_dynamic_addr(void); 39130661Stmm#define rtld_dynamic(obj) rtld_dynamic_addr() 40130661Stmm#define RTLD_IS_DYNAMIC() (rtld_dynamic_addr() != NULL) 4192195Sjake 4292195SjakeElf_Addr reloc_jmpslot(Elf_Addr *, Elf_Addr, 43107071Stmm const struct Struct_Obj_Entry *, 44107071Stmm const struct Struct_Obj_Entry *, 45107071Stmm const Elf_Rel *); 4692195Sjake 4792195Sjake#define make_function_pointer(def, defobj) \ 4892195Sjake ((defobj)->relocbase + (def)->st_value) 4992195Sjake 5092195Sjake#define call_initfini_pointer(obj, target) \ 5192195Sjake (((InitFunc)(target))()) 5292195Sjake 53232831Skib#define call_init_pointer(obj, target) \ 54232831Skib (((InitArrFunc)(target))(main_argc, main_argv, environ)) 55232831Skib 56133063Sdfr#define round(size, align) \ 57133063Sdfr (((size) + (align) - 1) & ~((align) - 1)) 58133063Sdfr#define calculate_first_tls_offset(size, align) \ 59133063Sdfr round(size, align) 60133063Sdfr#define calculate_tls_offset(prev_offset, prev_size, size, align) \ 61133063Sdfr round((prev_offset) + (size), align) 62133063Sdfr#define calculate_tls_end(off, size) ((off) + (size)) 63133063Sdfr 64133063Sdfrtypedef struct { 65133063Sdfr unsigned long ti_module; 66133063Sdfr unsigned long ti_offset; 67133063Sdfr} tls_index; 68133063Sdfr 69133063Sdfrextern void *__tls_get_addr(tls_index *ti); 70133063Sdfr 71217851Skib#define RTLD_DEFAULT_STACK_PF_EXEC 0 72217851Skib#define RTLD_DEFAULT_STACK_EXEC 0 73217851Skib 7492195Sjake#endif 75