[thirdparty/glibc.git] / sysdeps / x86 / bits / link.h

/* Copyright (C) 2004-2014 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


#ifndef __x86_64__
/* 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;

#define La_x32_regs La_x86_64_regs
#define La_x32_retval 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);

extern Elf32_Addr la_x32_gnu_pltenter (Elf32_Sym *__sym,
				       unsigned int __ndx,
				       uintptr_t *__refcook,
				       uintptr_t *__defcook,
				       La_x32_regs *__regs,
				       unsigned int *__flags,
				       const char *__symname,
				       long int *__framesizep);
extern unsigned int la_x32_gnu_pltexit (Elf32_Sym *__sym,
					unsigned int __ndx,
					uintptr_t *__refcook,
					uintptr_t *__defcook,
					const La_x32_regs *__inregs,
					La_x32_retval *__outregs,
					const char *__symname);

__END_DECLS

#endif
Commit	Line	Data
d4697bc9	1	/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
9dcafc55 UD	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
59ba27a6 PE	15	License along with the GNU C Library; if not, see
59ba27a6 PE	16	<http://www.gnu.org/licenses/>. */
9dcafc55 UD	17
	18	#ifndef _LINK_H
	19	# error "Never include <bits/link.h> directly; use <link.h> instead."
	20	#endif
	21
	22
c8e43ba7	23	#ifndef __x86_64__
9dcafc55 UD	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	} La_i86_retval;
	42
	43
	44	__BEGIN_DECLS
	45
	46	extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
	47	uintptr_t *__refcook,
	48	uintptr_t *__defcook,
	49	La_i86_regs *__regs,
	50	unsigned int *__flags,
	51	const char *__symname,
	52	long int *__framesizep);
	53	extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
	54	uintptr_t *__refcook,
	55	uintptr_t *__defcook,
	56	const La_i86_regs *__inregs,
	57	La_i86_retval *__outregs,
	58	const char *symname);
	59
	60	__END_DECLS
3dbd4a6f AJ	61
3dbd4a6f AJ	62	#else
9dcafc55 UD	63
9dcafc55 UD	64	/* Registers for entry into PLT on x86-64. */
9fbdeb41	65	# if __GNUC_PREREQ (4,0)
9c9628d9	66	typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16)));
6986b98a UD	67	typedef float La_x86_64_ymm
6986b98a UD	68	__attribute__ ((__vector_size__ (32), __aligned__ (16)));
9fbdeb41	69	# else
9dcafc55	70	typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__)));
9fbdeb41 UD	71	# endif
9fbdeb41 UD	72
b0ecde3a L	73	typedef union
	74	{
	75	# if __GNUC_PREREQ (4,0)
	76	La_x86_64_ymm ymm[2];
	77	# endif
	78	La_x86_64_xmm xmm[4];
6986b98a	79	} La_x86_64_vector __attribute__ ((__aligned__ (16)));
b0ecde3a	80
9dcafc55 UD	81	typedef struct La_x86_64_regs
	82	{
	83	uint64_t lr_rdx;
	84	uint64_t lr_r8;
	85	uint64_t lr_r9;
	86	uint64_t lr_rcx;
	87	uint64_t lr_rsi;
	88	uint64_t lr_rdi;
	89	uint64_t lr_rbp;
	90	uint64_t lr_rsp;
	91	La_x86_64_xmm lr_xmm[8];
b0ecde3a	92	La_x86_64_vector lr_vector[8];
9dcafc55 UD	93	} La_x86_64_regs;
	94
	95	/* Return values for calls from PLT on x86-64. */
	96	typedef struct La_x86_64_retval
	97	{
	98	uint64_t lrv_rax;
	99	uint64_t lrv_rdx;
	100	La_x86_64_xmm lrv_xmm0;
	101	La_x86_64_xmm lrv_xmm1;
	102	long double lrv_st0;
	103	long double lrv_st1;
b0ecde3a L	104	La_x86_64_vector lrv_vector0;
b0ecde3a L	105	La_x86_64_vector lrv_vector1;
9dcafc55 UD	106	} La_x86_64_retval;
9dcafc55 UD	107
c8e43ba7 L	108	#define La_x32_regs La_x86_64_regs
c8e43ba7 L	109	#define La_x32_retval La_x86_64_retval
9dcafc55 UD	110
	111	__BEGIN_DECLS
	112
	113	extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym,
	114	unsigned int __ndx,
	115	uintptr_t *__refcook,
	116	uintptr_t *__defcook,
	117	La_x86_64_regs *__regs,
	118	unsigned int *__flags,
	119	const char *__symname,
	120	long int *__framesizep);
	121	extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym,
	122	unsigned int __ndx,
	123	uintptr_t *__refcook,
	124	uintptr_t *__defcook,
	125	const La_x86_64_regs *__inregs,
	126	La_x86_64_retval *__outregs,
d82a27f8	127	const char *__symname);
9dcafc55	128
c8e43ba7 L	129	extern Elf32_Addr la_x32_gnu_pltenter (Elf32_Sym *__sym,
	130	unsigned int __ndx,
	131	uintptr_t *__refcook,
	132	uintptr_t *__defcook,
	133	La_x32_regs *__regs,
	134	unsigned int *__flags,
	135	const char *__symname,
	136	long int *__framesizep);
	137	extern unsigned int la_x32_gnu_pltexit (Elf32_Sym *__sym,
	138	unsigned int __ndx,
	139	uintptr_t *__refcook,
	140	uintptr_t *__defcook,
	141	const La_x32_regs *__inregs,
	142	La_x32_retval *__outregs,
	143	const char *__symname);
	144
9dcafc55 UD	145	__END_DECLS
9dcafc55 UD	146
3dbd4a6f	147	#endif