2 * Copyright (c) 1999, 2000 John D. Polstra.
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. 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.
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
29 #ifndef RTLD_MACHDEP_H
30 #define RTLD_MACHDEP_H 1
32 #include <sys/types.h>
33 #include <machine/atomic.h>
36 * Macros for cracking ia64 function pointers.
43 #define FPTR_TARGET(f) (((struct fptr *) (f))->target)
44 #define FPTR_GP(f) (((struct fptr *) (f))->gp)
46 /* Return the address of the .dynamic section in the dynamic linker. */
47 #define rtld_dynamic(obj) (&_DYNAMIC)
49 struct Struct_Obj_Entry;
51 Elf_Addr reloc_jmpslot(Elf_Addr *, Elf_Addr, const struct Struct_Obj_Entry *,
52 const struct Struct_Obj_Entry *, const Elf_Rel *);
53 void *make_function_pointer(const Elf_Sym *, const struct Struct_Obj_Entry *);
54 void call_initfini_pointer(const struct Struct_Obj_Entry *, Elf_Addr);
55 void call_init_pointer(const struct Struct_Obj_Entry *, Elf_Addr);
57 #define TLS_TCB_SIZE 16
59 #define round(size, align) \
60 (((size) + (align) - 1) & ~((align) - 1))
61 #define calculate_first_tls_offset(size, align) \
62 round(TLS_TCB_SIZE, align)
63 #define calculate_tls_offset(prev_offset, prev_size, size, align) \
64 round(prev_offset + prev_size, align)
65 #define calculate_tls_end(off, size) ((off) + (size))
67 extern void *__tls_get_addr(unsigned long module, unsigned long offset);
69 #define RTLD_DEFAULT_STACK_PF_EXEC 0
70 #define RTLD_DEFAULT_STACK_EXEC 0