1 /* Initialization of x86-64 specific backend library. 2 Copyright (C) 2002-2009, 2013 Red Hat, Inc. 3 Copyright (C) H.J. Lu <hjl.tools (at) gmail.com>, 2015. 4 This file is part of elfutils. 5 Written by Ulrich Drepper <drepper (at) redhat.com>, 2002. 6 7 This file is free software; you can redistribute it and/or modify 8 it under the terms of either 9 10 * the GNU Lesser General Public License as published by the Free 11 Software Foundation; either version 3 of the License, or (at 12 your option) any later version 13 14 or 15 16 * the GNU General Public License as published by the Free 17 Software Foundation; either version 2 of the License, or (at 18 your option) any later version 19 20 or both in parallel, as here. 21 22 elfutils is distributed in the hope that it will be useful, but 23 WITHOUT ANY WARRANTY; without even the implied warranty of 24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 25 General Public License for more details. 26 27 You should have received copies of the GNU General Public License and 28 the GNU Lesser General Public License along with this program. If 29 not, see <http://www.gnu.org/licenses/>. */ 30 31 #ifdef HAVE_CONFIG_H 32 # include <config.h> 33 #endif 34 35 #define BACKEND x86_64_ 36 #define RELOC_PREFIX R_X86_64_ 37 #include "libebl_CPU.h" 38 39 /* This defines the common reloc hooks based on x86_64_reloc.def. */ 40 #include "common-reloc.c" 41 42 extern __typeof (EBLHOOK (core_note)) x32_core_note attribute_hidden; 43 44 const char * 45 x86_64_init (Elf *elf __attribute__ ((unused)), 46 GElf_Half machine __attribute__ ((unused)), 47 Ebl *eh, 48 size_t ehlen) 49 { 50 /* Check whether the Elf_BH object has a sufficent size. */ 51 if (ehlen < sizeof (Ebl)) 52 return NULL; 53 54 /* We handle it. */ 55 eh->name = "AMD x86-64"; 56 x86_64_init_reloc (eh); 57 HOOK (eh, reloc_simple_type); 58 if (eh->class == ELFCLASS32) 59 eh->core_note = x32_core_note; 60 else 61 HOOK (eh, core_note); 62 HOOK (eh, return_value_location); 63 HOOK (eh, register_info); 64 HOOK (eh, syscall_abi); 65 HOOK (eh, auxv_info); 66 HOOK (eh, disasm); 67 HOOK (eh, abi_cfi); 68 /* gcc/config/ #define DWARF_FRAME_REGISTERS. */ 69 eh->frame_nregs = 17; 70 HOOK (eh, set_initial_registers_tid); 71 72 return MODVERSION; 73 } 74
