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[external/eglibc.git] / ports / sysdeps / alpha / bits / link.h
1 /* Copyright (C) 2005 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, write to the Free
16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17    02111-1307 USA.  */
18
19 #ifndef _LINK_H
20 # error "Never include <bits/link.h> directly; use <link.h> instead."
21 #endif
22
23
24 /* Registers for entry into PLT on Alpha.  */
25 typedef struct La_alpha_regs
26 {
27   uint64_t lr_r26;
28   uint64_t lr_sp;
29   uint64_t lr_r16;
30   uint64_t lr_r17;
31   uint64_t lr_r18;
32   uint64_t lr_r19;
33   uint64_t lr_r20;
34   uint64_t lr_r21;
35   double lr_f16;
36   double lr_f17;
37   double lr_f18;
38   double lr_f19;
39   double lr_f20;
40   double lr_f21;
41 } La_alpha_regs;
42
43 /* Return values for calls from PLT on Alpha.  */
44 typedef struct La_alpha_retval
45 {
46   uint64_t lrv_r0;
47   uint64_t lrv_r1;
48   double lrv_f0;
49   double lrv_f1;
50 } La_alpha_retval;
51
52
53 __BEGIN_DECLS
54
55 extern Elf64_Addr la_alpha_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx,
56                                          uintptr_t *__refcook,
57                                          uintptr_t *__defcook,
58                                          La_alpha_regs *__regs,
59                                          unsigned int *__flags,
60                                          const char *__symname,
61                                          long int *__framesizep);
62 extern unsigned int la_alpha_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx,
63                                           uintptr_t *__refcook,
64                                           uintptr_t *__defcook,
65                                           const La_alpha_regs *__inregs,
66                                           La_alpha_retval *__outregs,
67                                           const char *symname);
68
69 __END_DECLS