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1d3be038 1/* Machine-specific declarations for dynamic linker interface. PowerPC version
d4697bc9 2 Copyright (C) 2004-2014 Free Software Foundation, Inc.
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3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
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16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
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18
19#ifndef _LINK_H
20# error "Never include <bits/link.h> directly; use <link.h> instead."
21#endif
22
23
24#if __ELF_NATIVE_CLASS == 32
25
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26/* Registers for entry into PLT on PPC32. */
27typedef struct La_ppc32_regs
28{
70cd1f97 29 uint32_t lr_reg[8];
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30 double lr_fp[8];
31 uint32_t lr_vreg[12][4];
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32 uint32_t lr_r1;
33 uint32_t lr_lr;
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34} La_ppc32_regs;
35
36/* Return values for calls from PLT on PPC32. */
37typedef struct La_ppc32_retval
38{
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39 uint32_t lrv_r3;
40 uint32_t lrv_r4;
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41 double lrv_fp[8];
42 uint32_t lrv_v2[4];
43} La_ppc32_retval;
44
45
46__BEGIN_DECLS
47
48extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
49 unsigned int __ndx,
50 uintptr_t *__refcook,
51 uintptr_t *__defcook,
52 La_ppc32_regs *__regs,
53 unsigned int *__flags,
54 const char *__symname,
55 long int *__framesizep);
56extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
57 unsigned int __ndx,
58 uintptr_t *__refcook,
59 uintptr_t *__defcook,
60 const La_ppc32_regs *__inregs,
61 La_ppc32_retval *__outregs,
d82a27f8 62 const char *__symname);
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63
64__END_DECLS
82221992 65
61cd8fe4 66#elif _CALL_ELF != 2
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2413fdba 68/* Registers for entry into PLT on PPC64. */
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69typedef struct La_ppc64_regs
70{
71 uint64_t lr_reg[8];
72 double lr_fp[13];
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73 uint32_t __padding;
74 uint32_t lr_vrsave;
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75 uint32_t lr_vreg[12][4];
76 uint64_t lr_r1;
77 uint64_t lr_lr;
78} La_ppc64_regs;
79
2413fdba 80/* Return values for calls from PLT on PPC64. */
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81typedef struct La_ppc64_retval
82{
83 uint64_t lrv_r3;
84 uint64_t lrv_r4;
bb4bb82b 85 double lrv_fp[4]; /* f1-f4, float - complex long double. */
9c84384c 86 uint32_t lrv_v2[4]; /* v2. */
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87} La_ppc64_retval;
88
89
90__BEGIN_DECLS
91
92extern Elf64_Addr la_ppc64_gnu_pltenter (Elf64_Sym *__sym,
93 unsigned int __ndx,
94 uintptr_t *__refcook,
95 uintptr_t *__defcook,
96 La_ppc64_regs *__regs,
97 unsigned int *__flags,
98 const char *__symname,
99 long int *__framesizep);
100extern unsigned int la_ppc64_gnu_pltexit (Elf64_Sym *__sym,
101 unsigned int __ndx,
102 uintptr_t *__refcook,
103 uintptr_t *__defcook,
104 const La_ppc64_regs *__inregs,
105 La_ppc64_retval *__outregs,
d82a27f8 106 const char *__symname);
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107
108__END_DECLS
109
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110#else
111
112/* Registers for entry into PLT on PPC64 in the ELFv2 ABI. */
113typedef struct La_ppc64v2_regs
114{
115 uint64_t lr_reg[8];
116 double lr_fp[13];
117 uint32_t __padding;
118 uint32_t lr_vrsave;
119 uint32_t lr_vreg[12][4] __attribute__ ((aligned (16)));
120 uint64_t lr_r1;
121 uint64_t lr_lr;
122} La_ppc64v2_regs;
123
124/* Return values for calls from PLT on PPC64 in the ELFv2 ABI. */
125typedef struct La_ppc64v2_retval
126{
127 uint64_t lrv_r3;
128 uint64_t lrv_r4;
129 double lrv_fp[10];
130 uint32_t lrv_vreg[8][4] __attribute__ ((aligned (16)));
131} La_ppc64v2_retval;
132
133
134__BEGIN_DECLS
135
136extern Elf64_Addr la_ppc64v2_gnu_pltenter (Elf64_Sym *__sym,
137 unsigned int __ndx,
138 uintptr_t *__refcook,
139 uintptr_t *__defcook,
140 La_ppc64v2_regs *__regs,
141 unsigned int *__flags,
142 const char *__symname,
143 long int *__framesizep);
144extern unsigned int la_ppc64v2_gnu_pltexit (Elf64_Sym *__sym,
145 unsigned int __ndx,
146 uintptr_t *__refcook,
147 uintptr_t *__defcook,
148 const La_ppc64v2_regs *__inregs,
149 La_ppc64v2_retval *__outregs,
150 const char *__symname);
151
152__END_DECLS
153
82221992 154#endif