glibc/sysdeps/s390/bits/link.h

140 lines
3.4 KiB
C

/* Copyright (C) 2005-2024 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
<https://www.gnu.org/licenses/>. */
#ifndef _LINK_H
# error "Never include <bits/link.h> directly; use <link.h> instead."
#endif
#if defined HAVE_S390_VX_ASM_SUPPORT
typedef char La_s390_vr[16];
#endif
#if __ELF_NATIVE_CLASS == 32
/* Registers for entry into PLT on s390-32. */
typedef struct La_s390_32_regs
{
uint32_t lr_r2;
uint32_t lr_r3;
uint32_t lr_r4;
uint32_t lr_r5;
uint32_t lr_r6;
double lr_fp0;
double lr_fp2;
# if defined HAVE_S390_VX_ASM_SUPPORT
La_s390_vr lr_v24;
La_s390_vr lr_v25;
La_s390_vr lr_v26;
La_s390_vr lr_v27;
La_s390_vr lr_v28;
La_s390_vr lr_v29;
La_s390_vr lr_v30;
La_s390_vr lr_v31;
# endif
} La_s390_32_regs;
/* Return values for calls from PLT on s390-32. */
typedef struct La_s390_32_retval
{
uint32_t lrv_r2;
uint32_t lrv_r3;
double lrv_fp0;
# if defined HAVE_S390_VX_ASM_SUPPORT
La_s390_vr lrv_v24;
# endif
} La_s390_32_retval;
__BEGIN_DECLS
extern Elf32_Addr la_s390_32_gnu_pltenter (Elf32_Sym *__sym,
unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
La_s390_32_regs *__regs,
unsigned int *__flags,
const char *__symname,
long int *__framesizep);
extern unsigned int la_s390_32_gnu_pltexit (Elf32_Sym *__sym,
unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
const La_s390_32_regs *__inregs,
La_s390_32_retval *__outregs,
const char *symname);
__END_DECLS
#else
/* Registers for entry into PLT on s390-64. */
typedef struct La_s390_64_regs
{
uint64_t lr_r2;
uint64_t lr_r3;
uint64_t lr_r4;
uint64_t lr_r5;
uint64_t lr_r6;
double lr_fp0;
double lr_fp2;
double lr_fp4;
double lr_fp6;
# if defined HAVE_S390_VX_ASM_SUPPORT
La_s390_vr lr_v24;
La_s390_vr lr_v25;
La_s390_vr lr_v26;
La_s390_vr lr_v27;
La_s390_vr lr_v28;
La_s390_vr lr_v29;
La_s390_vr lr_v30;
La_s390_vr lr_v31;
# endif
} La_s390_64_regs;
/* Return values for calls from PLT on s390-64. */
typedef struct La_s390_64_retval
{
uint64_t lrv_r2;
double lrv_fp0;
# if defined HAVE_S390_VX_ASM_SUPPORT
La_s390_vr lrv_v24;
# endif
} La_s390_64_retval;
__BEGIN_DECLS
extern Elf64_Addr la_s390_64_gnu_pltenter (Elf64_Sym *__sym,
unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
La_s390_64_regs *__regs,
unsigned int *__flags,
const char *__symname,
long int *__framesizep);
extern unsigned int la_s390_64_gnu_pltexit (Elf64_Sym *__sym,
unsigned int __ndx,
uintptr_t *__refcook,
uintptr_t *__defcook,
const La_s390_64_regs *__inregs,
La_s390_64_retval *__outregs,
const char *__symname);
__END_DECLS
#endif