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1 : : /* x86-64 ABI-specified defaults for DWARF CFI. 2 : : Copyright (C) 2009 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 : : #include <dwarf.h> 34 : : 35 : : #define BACKEND x86_64_ 36 : : #include "libebl_CPU.h" 37 : : 38 : : int 39 : 152 : x86_64_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info) 40 : : { 41 : 152 : static const uint8_t abi_cfi[] = 42 : : { 43 : : /* Call-saved regs. */ 44 : : DW_CFA_same_value, ULEB128_7 (0), /* %rbx */ 45 : : DW_CFA_same_value, ULEB128_7 (6), /* %rbp */ 46 : : DW_CFA_same_value, ULEB128_7 (12), /* %r12 */ 47 : : DW_CFA_same_value, ULEB128_7 (13), /* %r13 */ 48 : : DW_CFA_same_value, ULEB128_7 (14), /* %r14 */ 49 : : DW_CFA_same_value, ULEB128_7 (15), /* %r15 */ 50 : : DW_CFA_same_value, ULEB128_7 (16), /* %r16 */ 51 : : 52 : : /* The CFA is the SP. */ 53 : : DW_CFA_val_offset, ULEB128_7 (7), ULEB128_7 (0), 54 : : }; 55 : : 56 : 152 : abi_info->initial_instructions = abi_cfi; 57 : 152 : abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi]; 58 : 152 : abi_info->data_alignment_factor = 8; 59 : : 60 : 152 : abi_info->return_address_register = 16; /* %rip */ 61 : : 62 : 152 : return 0; 63 : : }