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1 : : /* Initialization of i386 specific backend library. 2 : : Copyright (C) 2000-2009, 2013, 2017, 2025 Red Hat, Inc. 3 : : This file is part of elfutils. 4 : : Written by Ulrich Drepper <drepper@redhat.com>, 2000. 5 : : 6 : : This file is free software; you can redistribute it and/or modify 7 : : it under the terms of either 8 : : 9 : : * the GNU Lesser General Public License as published by the Free 10 : : Software Foundation; either version 3 of the License, or (at 11 : : your option) any later version 12 : : 13 : : or 14 : : 15 : : * the GNU General Public License as published by the Free 16 : : Software Foundation; either version 2 of the License, or (at 17 : : your option) any later version 18 : : 19 : : or both in parallel, as here. 20 : : 21 : : elfutils is distributed in the hope that it will be useful, but 22 : : WITHOUT ANY WARRANTY; without even the implied warranty of 23 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24 : : General Public License for more details. 25 : : 26 : : You should have received copies of the GNU General Public License and 27 : : the GNU Lesser General Public License along with this program. If 28 : : not, see <http://www.gnu.org/licenses/>. */ 29 : : 30 : : #ifdef HAVE_CONFIG_H 31 : : # include <config.h> 32 : : #endif 33 : : 34 : : #define BACKEND i386_ 35 : : #define RELOC_PREFIX R_386_ 36 : : #include "libebl_CPU.h" 37 : : #include "libebl_PERF_FLAGS.h" 38 : : 39 : : /* This defines the common reloc hooks based on i386_reloc.def. */ 40 : : #include "common-reloc.c" 41 : : 42 : : Ebl * 43 : 702 : i386_init (Elf *elf __attribute__ ((unused)), 44 : : GElf_Half machine __attribute__ ((unused)), 45 : : Ebl *eh) 46 : : { 47 : : /* We handle it. */ 48 : 702 : i386_init_reloc (eh); 49 : 702 : HOOK (eh, reloc_simple_type); 50 : 702 : HOOK (eh, gotpc_reloc_check); 51 : 702 : HOOK (eh, core_note); 52 : 702 : generic_debugscn_p = eh->debugscn_p; 53 : 702 : HOOK (eh, debugscn_p); 54 : 702 : HOOK (eh, return_value_location); 55 : 702 : HOOK (eh, register_info); 56 : 702 : HOOK (eh, auxv_info); 57 : 702 : HOOK (eh, disasm); 58 : 702 : HOOK (eh, abi_cfi); 59 : : /* gcc/config/ #define DWARF_FRAME_REGISTERS. For i386 it is 17, why? 60 : : (Likely an artifact of reusing that header between i386/x86_64.) */ 61 : 702 : eh->frame_nregs = 9; 62 : 702 : HOOK (eh, set_initial_registers_tid); 63 : 702 : HOOK (eh, set_initial_registers_sample); 64 : 702 : HOOK (eh, sample_base_addr); 65 : 702 : HOOK (eh, sample_pc); 66 : 702 : eh->perf_frame_regs_mask = PERF_FRAME_REGISTERS_I386; 67 : 702 : HOOK (eh, unwind); 68 : : 69 : 702 : return eh; 70 : : }