glibc/sysdeps/x86_64/bits/link.h
2012-02-09 23:18:22 +00:00

130 lines
3.4 KiB
C

/* Copyright (C) 2004, 2005, 2009, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _LINK_H
# error "Never include <bits/link.h> directly; use <link.h> instead."
#endif
#if __ELF_NATIVE_CLASS == 32
/* Registers for entry into PLT on IA-32. */
typedef struct La_i86_regs
{
uint32_t lr_edx;
uint32_t lr_ecx;
uint32_t lr_eax;
uint32_t lr_ebp;
uint32_t lr_esp;
} La_i86_regs;
/* Return values for calls from PLT on IA-32. */
typedef struct La_i86_retval
{
uint32_t lrv_eax;
uint32_t lrv_edx;
long double lrv_st0;
long double lrv_st1;
} La_i86_retval;
__BEGIN_DECLS
extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
La_i86_regs *__regs,
unsigned int *__flags,
const char *__symname,
long int *__framesizep);
extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
const La_i86_regs *__inregs,
La_i86_retval *__outregs,
const char *symname);
__END_DECLS
#else
/* Registers for entry into PLT on x86-64. */
# if __GNUC_PREREQ (4,0)
typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16)));
typedef float La_x86_64_ymm
__attribute__ ((__vector_size__ (32), __aligned__ (16)));
# else
typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__)));
# endif
typedef union
{
# if __GNUC_PREREQ (4,0)
La_x86_64_ymm ymm[2];
# endif
La_x86_64_xmm xmm[4];
} La_x86_64_vector __attribute__ ((__aligned__ (16)));
typedef struct La_x86_64_regs
{
uint64_t lr_rdx;
uint64_t lr_r8;
uint64_t lr_r9;
uint64_t lr_rcx;
uint64_t lr_rsi;
uint64_t lr_rdi;
uint64_t lr_rbp;
uint64_t lr_rsp;
La_x86_64_xmm lr_xmm[8];
La_x86_64_vector lr_vector[8];
} La_x86_64_regs;
/* Return values for calls from PLT on x86-64. */
typedef struct La_x86_64_retval
{
uint64_t lrv_rax;
uint64_t lrv_rdx;
La_x86_64_xmm lrv_xmm0;
La_x86_64_xmm lrv_xmm1;
long double lrv_st0;
long double lrv_st1;
La_x86_64_vector lrv_vector0;
La_x86_64_vector lrv_vector1;
} La_x86_64_retval;
__BEGIN_DECLS
extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym,
unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
La_x86_64_regs *__regs,
unsigned int *__flags,
const char *__symname,
long int *__framesizep);
extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym,
unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
const La_x86_64_regs *__inregs,
La_x86_64_retval *__outregs,
const char *__symname);
__END_DECLS
#endif