1 /* Initialization of AArch64 specific backend library. 2 Copyright (C) 2013 Red Hat, Inc. 3 This file is part of elfutils. 4 5 This file is free software; you can redistribute it and/or modify 6 it under the terms of either 7 8 * the GNU Lesser General Public License as published by the Free 9 Software Foundation; either version 3 of the License, or (at 10 your option) any later version 11 12 or 13 14 * the GNU General Public License as published by the Free 15 Software Foundation; either version 2 of the License, or (at 16 your option) any later version 17 18 or both in parallel, as here. 19 20 elfutils is distributed in the hope that it will be useful, but 21 WITHOUT ANY WARRANTY; without even the implied warranty of 22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 23 General Public License for more details. 24 25 You should have received copies of the GNU General Public License and 26 the GNU Lesser General Public License along with this program. If 27 not, see <http://www.gnu.org/licenses/>. */ 28 29 #ifdef HAVE_CONFIG_H 30 # include <config.h> 31 #endif 32 33 #define BACKEND aarch64_ 34 #define RELOC_PREFIX R_AARCH64_ 35 #include "libebl_CPU.h" 36 37 /* This defines the common reloc hooks based on aarch64_reloc.def. */ 38 #include "common-reloc.c" 39 40 41 const char * 42 aarch64_init (elf, machine, eh, ehlen) 43 Elf *elf __attribute__ ((unused)); 44 GElf_Half machine __attribute__ ((unused)); 45 Ebl *eh; 46 size_t ehlen; 47 { 48 /* Check whether the Elf_BH object has a sufficent size. */ 49 if (ehlen < sizeof (Ebl)) 50 return NULL; 51 52 /* We handle it. */ 53 eh->name = "AARCH64"; 54 aarch64_init_reloc (eh); 55 HOOK (eh, register_info); 56 HOOK (eh, core_note); 57 HOOK (eh, reloc_simple_type); 58 HOOK (eh, return_value_location); 59 HOOK (eh, check_special_symbol); 60 HOOK (eh, abi_cfi); 61 62 /* X0-X30 (31 regs) + SP + 1 Reserved + ELR, 30 Reserved regs (34-43) 63 + V0-V31 (32 regs, least significant 64 bits only) 64 + ALT_FRAME_RETURN_COLUMN (used when LR isn't used) = 97 DWARF regs. */ 65 eh->frame_nregs = 97; 66 HOOK (eh, set_initial_registers_tid); 67 68 return MODVERSION; 69 } 70
