1 /* Initialization of SPARC specific backend library. 2 Copyright (C) 2002, 2005, 2006, 2007, 2008 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 sparc_ 34 #define RELOC_PREFIX R_SPARC_ 35 #include "libebl_CPU.h" 36 37 /* In SPARC some relocations use the most significative 24 bits of the 38 r_type field to encode a secondary addend. Make sure the routines 39 in common-reloc.c acknowledge this. */ 40 #define RELOC_TYPE_ID(type) ((type) & 0xff) 41 42 /* This defines the common reloc hooks based on sparc_reloc.def. */ 43 #include "common-reloc.c" 44 45 extern __typeof (EBLHOOK (core_note)) sparc64_core_note attribute_hidden; 46 47 const char * 48 sparc_init (Elf *elf __attribute__ ((unused)), 49 GElf_Half machine __attribute__ ((unused)), 50 Ebl *eh, 51 size_t ehlen) 52 { 53 /* Check whether the Elf_BH object has a sufficent size. */ 54 if (ehlen < sizeof (Ebl)) 55 return NULL; 56 57 /* We handle it. */ 58 if (machine == EM_SPARCV9) 59 eh->name = "SPARC v9"; 60 else if (machine == EM_SPARC32PLUS) 61 eh->name = "SPARC v8+"; 62 else 63 eh->name = "SPARC"; 64 sparc_init_reloc (eh); 65 HOOK (eh, reloc_simple_type); 66 HOOK (eh, machine_flag_check); 67 HOOK (eh, check_special_section); 68 HOOK (eh, symbol_type_name); 69 HOOK (eh, dynamic_tag_name); 70 HOOK (eh, dynamic_tag_check); 71 if (eh->class == ELFCLASS64) 72 eh->core_note = sparc64_core_note; 73 else 74 HOOK (eh, core_note); 75 HOOK (eh, auxv_info); 76 HOOK (eh, register_info); 77 HOOK (eh, return_value_location); 78 HOOK (eh, check_object_attribute); 79 HOOK (eh, abi_cfi); 80 /* gcc/config/sparc.h define FIRST_PSEUDO_REGISTER */ 81 eh->frame_nregs = 103; 82 /* The CFI Dwarf register with the "return address" in sparc 83 actually contains the call address. The return address is 84 located 8 bytes after it. */ 85 eh->ra_offset = 8; 86 HOOK (eh, set_initial_registers_tid); 87 88 return MODVERSION; 89 } 90
