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001: /* Copyright (C) 2004, 2005, 2009, 2011 Free Software Foundation, Inc.
002:    This file is part of the GNU C Library.
003: 
004:    The GNU C Library is free software; you can redistribute it and/or
005:    modify it under the terms of the GNU Lesser General Public
006:    License as published by the Free Software Foundation; either
007:    version 2.1 of the License, or (at your option) any later version.
008: 
009:    The GNU C Library is distributed in the hope that it will be useful,
010:    but WITHOUT ANY WARRANTY; without even the implied warranty of
011:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:    Lesser General Public License for more details.
013: 
014:    You should have received a copy of the GNU Lesser General Public
015:    License along with the GNU C Library; if not, write to the Free
016:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
017:    02111-1307 USA.  */
018: 
019: #ifndef _LINK_H
020: # error "Never include <bits/link.h> directly; use <link.h> instead."
021: #endif
022: 
023: 
024: #if __ELF_NATIVE_CLASS == 32
025: /* Registers for entry into PLT on IA-32.  */
026: typedef struct La_i86_regs
027: {
028:   uint32_t lr_edx;
029:   uint32_t lr_ecx;
030:   uint32_t lr_eax;
031:   uint32_t lr_ebp;
032:   uint32_t lr_esp;
033: } La_i86_regs;
034: 
035: /* Return values for calls from PLT on IA-32.  */
036: typedef struct La_i86_retval
037: {
038:   uint32_t lrv_eax;
039:   uint32_t lrv_edx;
040:   long double lrv_st0;
041:   long double lrv_st1;
042: } La_i86_retval;
043: 
044: 
045: __BEGIN_DECLS
046: 
047: extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
048:                                        uintptr_t *__refcook,
049:                                        uintptr_t *__defcook,
050:                                        La_i86_regs *__regs,
051:                                        unsigned int *__flags,
052:                                        const char *__symname,
053:                                        long int *__framesizep);
054: extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
055:                                         uintptr_t *__refcook,
056:                                         uintptr_t *__defcook,
057:                                         const La_i86_regs *__inregs,
058:                                         La_i86_retval *__outregs,
059:                                         const char *symname);
060: 
061: __END_DECLS
062: 
063: #else
064: 
065: /* Registers for entry into PLT on x86-64.  */
066: # if __GNUC_PREREQ (4,0)
067: typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16)));
068: typedef float La_x86_64_ymm
069:     __attribute__ ((__vector_size__ (32), __aligned__ (16)));
070: # else
071: typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__)));
072: # endif
073: 
074: typedef union
075: {
076: # if __GNUC_PREREQ (4,0)
077:   La_x86_64_ymm ymm[2];
078: # endif
079:   La_x86_64_xmm xmm[4];
080: } La_x86_64_vector __attribute__ ((__aligned__ (16)));
081: 
082: typedef struct La_x86_64_regs
083: {
084:   uint64_t lr_rdx;
085:   uint64_t lr_r8;
086:   uint64_t lr_r9;
087:   uint64_t lr_rcx;
088:   uint64_t lr_rsi;
089:   uint64_t lr_rdi;
090:   uint64_t lr_rbp;
091:   uint64_t lr_rsp;
092:   La_x86_64_xmm lr_xmm[8];
093:   La_x86_64_vector lr_vector[8];
094: } La_x86_64_regs;
095: 
096: /* Return values for calls from PLT on x86-64.  */
097: typedef struct La_x86_64_retval
098: {
099:   uint64_t lrv_rax;
100:   uint64_t lrv_rdx;
101:   La_x86_64_xmm lrv_xmm0;
102:   La_x86_64_xmm lrv_xmm1;
103:   long double lrv_st0;
104:   long double lrv_st1;
105:   La_x86_64_vector lrv_vector0;
106:   La_x86_64_vector lrv_vector1;
107: } La_x86_64_retval;
108: 
109: 
110: __BEGIN_DECLS
111: 
112: extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym,
113:                                           unsigned int __ndx,
114:                                           uintptr_t *__refcook,
115:                                           uintptr_t *__defcook,
116:                                           La_x86_64_regs *__regs,
117:                                           unsigned int *__flags,
118:                                           const char *__symname,
119:                                           long int *__framesizep);
120: extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym,
121:                                            unsigned int __ndx,
122:                                            uintptr_t *__refcook,
123:                                            uintptr_t *__defcook,
124:                                            const La_x86_64_regs *__inregs,
125:                                            La_x86_64_retval *__outregs,
126:                                            const char *__symname);
127: 
128: __END_DECLS
129: 
130: #endif
131: 

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