diff options
Diffstat (limited to 'sysdeps/x86')
| -rw-r--r-- | sysdeps/x86/bits/link.h | 147 | ||||
| -rw-r--r-- | sysdeps/x86/bits/linkmap.h | 16 |
2 files changed, 163 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/link.h b/sysdeps/x86/bits/link.h new file mode 100644 index 0000000000..fa2091085f --- /dev/null +++ b/sysdeps/x86/bits/link.h @@ -0,0 +1,147 @@ +/* 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 + + +#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 diff --git a/sysdeps/x86/bits/linkmap.h b/sysdeps/x86/bits/linkmap.h new file mode 100644 index 0000000000..dd0d140874 --- /dev/null +++ b/sysdeps/x86/bits/linkmap.h @@ -0,0 +1,16 @@ +#if __WORDSIZE == 64 +struct link_map_machine + { + Elf64_Addr plt; /* Address of .plt + 0x16 */ + Elf64_Addr gotplt; /* Address of .got + 0x18 */ + void *tlsdesc_table; /* Address of TLS descriptor hash table. */ + }; + +#else +struct link_map_machine + { + Elf32_Addr plt; /* Address of .plt + 0x16 */ + Elf32_Addr gotplt; /* Address of .got + 0x0c */ + void *tlsdesc_table; /* Address of TLS descriptor hash table. */ + }; +#endif |