1 | /* Copyright (C) 2004-2024 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, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifndef _LINK_H |
19 | # error "Never include <bits/link.h> directly; use <link.h> instead." |
20 | #endif |
21 | |
22 | |
23 | #ifndef __x86_64__ |
24 | /* Registers for entry into PLT on IA-32. */ |
25 | typedef struct La_i86_regs |
26 | { |
27 | uint32_t lr_edx; |
28 | uint32_t lr_ecx; |
29 | uint32_t lr_eax; |
30 | uint32_t lr_ebp; |
31 | uint32_t lr_esp; |
32 | } La_i86_regs; |
33 | |
34 | /* Return values for calls from PLT on IA-32. */ |
35 | typedef struct La_i86_retval |
36 | { |
37 | uint32_t lrv_eax; |
38 | uint32_t lrv_edx; |
39 | long double lrv_st0; |
40 | long double lrv_st1; |
41 | uint64_t __glibc_unused1; |
42 | uint64_t __glibc_unused2; |
43 | } La_i86_retval; |
44 | |
45 | |
46 | __BEGIN_DECLS |
47 | |
48 | extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx, |
49 | uintptr_t *__refcook, |
50 | uintptr_t *__defcook, |
51 | La_i86_regs *__regs, |
52 | unsigned int *__flags, |
53 | const char *__symname, |
54 | long int *__framesizep); |
55 | extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx, |
56 | uintptr_t *__refcook, |
57 | uintptr_t *__defcook, |
58 | const La_i86_regs *__inregs, |
59 | La_i86_retval *__outregs, |
60 | const char *symname); |
61 | |
62 | __END_DECLS |
63 | |
64 | #else |
65 | |
66 | /* Registers for entry into PLT on x86-64. */ |
67 | # if __GNUC_PREREQ (4,0) |
68 | typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16))); |
69 | typedef float La_x86_64_ymm |
70 | __attribute__ ((__vector_size__ (32), __aligned__ (16))); |
71 | typedef double La_x86_64_zmm |
72 | __attribute__ ((__vector_size__ (64), __aligned__ (16))); |
73 | # else |
74 | typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__))); |
75 | # endif |
76 | |
77 | typedef union |
78 | { |
79 | # if __GNUC_PREREQ (4,0) |
80 | La_x86_64_ymm ymm[2]; |
81 | La_x86_64_zmm zmm[1]; |
82 | # endif |
83 | La_x86_64_xmm xmm[4]; |
84 | } La_x86_64_vector __attribute__ ((__aligned__ (16))); |
85 | |
86 | typedef struct La_x86_64_regs |
87 | { |
88 | uint64_t lr_rdx; |
89 | uint64_t lr_r8; |
90 | uint64_t lr_r9; |
91 | uint64_t lr_rcx; |
92 | uint64_t lr_rsi; |
93 | uint64_t lr_rdi; |
94 | uint64_t lr_rbp; |
95 | uint64_t lr_rsp; |
96 | La_x86_64_xmm lr_xmm[8]; |
97 | La_x86_64_vector lr_vector[8]; |
98 | #ifndef __ILP32__ |
99 | __int128_t __glibc_unused1[4]; |
100 | #endif |
101 | } La_x86_64_regs; |
102 | |
103 | /* Return values for calls from PLT on x86-64. */ |
104 | typedef struct La_x86_64_retval |
105 | { |
106 | uint64_t lrv_rax; |
107 | uint64_t lrv_rdx; |
108 | La_x86_64_xmm lrv_xmm0; |
109 | La_x86_64_xmm lrv_xmm1; |
110 | long double lrv_st0; |
111 | long double lrv_st1; |
112 | La_x86_64_vector lrv_vector0; |
113 | La_x86_64_vector lrv_vector1; |
114 | #ifndef __ILP32__ |
115 | __int128_t __glibc_unused1; |
116 | __int128_t __glibc_unused2; |
117 | #endif |
118 | } La_x86_64_retval; |
119 | |
120 | #define La_x32_regs La_x86_64_regs |
121 | #define La_x32_retval La_x86_64_retval |
122 | |
123 | __BEGIN_DECLS |
124 | |
125 | extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym, |
126 | unsigned int __ndx, |
127 | uintptr_t *__refcook, |
128 | uintptr_t *__defcook, |
129 | La_x86_64_regs *__regs, |
130 | unsigned int *__flags, |
131 | const char *__symname, |
132 | long int *__framesizep); |
133 | extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym, |
134 | unsigned int __ndx, |
135 | uintptr_t *__refcook, |
136 | uintptr_t *__defcook, |
137 | const La_x86_64_regs *__inregs, |
138 | La_x86_64_retval *__outregs, |
139 | const char *__symname); |
140 | |
141 | extern Elf32_Addr la_x32_gnu_pltenter (Elf32_Sym *__sym, |
142 | unsigned int __ndx, |
143 | uintptr_t *__refcook, |
144 | uintptr_t *__defcook, |
145 | La_x32_regs *__regs, |
146 | unsigned int *__flags, |
147 | const char *__symname, |
148 | long int *__framesizep); |
149 | extern unsigned int la_x32_gnu_pltexit (Elf32_Sym *__sym, |
150 | unsigned int __ndx, |
151 | uintptr_t *__refcook, |
152 | uintptr_t *__defcook, |
153 | const La_x32_regs *__inregs, |
154 | La_x32_retval *__outregs, |
155 | const char *__symname); |
156 | |
157 | __END_DECLS |
158 | |
159 | #endif |
160 | |