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63 lines
1.9 KiB
63 lines
1.9 KiB
/* x86-64 ABI-specified defaults for DWARF CFI. |
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Copyright (C) 2009 Red Hat, Inc. |
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This file is part of elfutils. |
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This file is free software; you can redistribute it and/or modify |
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it under the terms of either |
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* the GNU Lesser General Public License as published by the Free |
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Software Foundation; either version 3 of the License, or (at |
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your option) any later version |
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or |
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* the GNU General Public License as published by the Free |
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Software Foundation; either version 2 of the License, or (at |
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your option) any later version |
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or both in parallel, as here. |
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elfutils is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received copies of the GNU General Public License and |
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the GNU Lesser General Public License along with this program. If |
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not, see <http://www.gnu.org/licenses/>. */ |
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#ifdef HAVE_CONFIG_H |
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# include <config.h> |
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#endif |
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#include <dwarf.h> |
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#define BACKEND x86_64_ |
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#include "libebl_CPU.h" |
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int |
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x86_64_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info) |
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{ |
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static const uint8_t abi_cfi[] = |
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{ |
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/* Call-saved regs. */ |
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DW_CFA_same_value, ULEB128_7 (0), /* %rbx */ |
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DW_CFA_same_value, ULEB128_7 (6), /* %rbp */ |
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DW_CFA_same_value, ULEB128_7 (12), /* %r12 */ |
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DW_CFA_same_value, ULEB128_7 (13), /* %r13 */ |
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DW_CFA_same_value, ULEB128_7 (14), /* %r14 */ |
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DW_CFA_same_value, ULEB128_7 (15), /* %r15 */ |
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DW_CFA_same_value, ULEB128_7 (16), /* %r16 */ |
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/* The CFA is the SP. */ |
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DW_CFA_val_offset, ULEB128_7 (7), ULEB128_7 (0), |
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}; |
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abi_info->initial_instructions = abi_cfi; |
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abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi]; |
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abi_info->data_alignment_factor = 8; |
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abi_info->return_address_register = 16; /* %rip */ |
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return 0; |
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}
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