/* * Copyright (c) 2019 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _ARM64_DWARF_UNWIND_H_ #define _ARM64_DWARF_UNWIND_H_ /* * This file contains the architecture specific DWARF definitions needed for unwind * information added to trap handlers. */ /* DWARF Register numbers for ARM64 registers contained in the saved state */ #define DWARF_ARM64_X0 0 #define DWARF_ARM64_X1 1 #define DWARF_ARM64_X2 2 #define DWARF_ARM64_X3 3 #define DWARF_ARM64_X4 4 #define DWARF_ARM64_X5 5 #define DWARF_ARM64_X6 6 #define DWARF_ARM64_X7 7 #define DWARF_ARM64_X8 8 #define DWARF_ARM64_X9 9 #define DWARF_ARM64_X10 10 #define DWARF_ARM64_X11 11 #define DWARF_ARM64_X12 12 #define DWARF_ARM64_X13 13 #define DWARF_ARM64_X14 14 #define DWARF_ARM64_X15 15 #define DWARF_ARM64_X16 16 #define DWARF_ARM64_X17 17 #define DWARF_ARM64_X18 18 #define DWARF_ARM64_X19 19 #define DWARF_ARM64_X20 20 #define DWARF_ARM64_X21 21 #define DWARF_ARM64_X22 22 #define DWARF_ARM64_X23 23 #define DWARF_ARM64_X24 24 #define DWARF_ARM64_X25 25 #define DWARF_ARM64_X26 26 #define DWARF_ARM64_X27 27 #define DWARF_ARM64_X28 28 #define DWARF_ARM64_FP 29 #define DWARF_ARM64_LR 30 #define DWARF_ARM64_SP 31 #define DWARF_ARM64_PC 32 #define DWARF_ARM64_CPSR 33 #define DW_OP_breg21 0x85 #define DW_CFA_expression 0x10 #define DW_FORM_LEN_ONE_BYTE_SLEB 2 #define DW_FORM_LEN_TWO_BYTE_SLEB 3 #define DWARF_ARM64_X0_OFFSET 8 #define DWARF_ARM64_X1_OFFSET 16 #define DWARF_ARM64_X2_OFFSET 24 #define DWARF_ARM64_X3_OFFSET 32 #define DWARF_ARM64_X4_OFFSET 40 #define DWARF_ARM64_X5_OFFSET 48 #define DWARF_ARM64_X6_OFFSET 56 #define DWARF_ARM64_X7_OFFSET 0xc0, 0x00 #define DWARF_ARM64_X8_OFFSET 0xc8, 0x00 #define DWARF_ARM64_X9_OFFSET 0xd0, 0x00 #define DWARF_ARM64_X10_OFFSET 0xd8, 0x00 #define DWARF_ARM64_X11_OFFSET 0xe0, 0x00 #define DWARF_ARM64_X12_OFFSET 0xe8, 0x00 #define DWARF_ARM64_X13_OFFSET 0xf0, 0x00 #define DWARF_ARM64_X14_OFFSET 0xf8, 0x00 #define DWARF_ARM64_X15_OFFSET 0x80, 0x01 #define DWARF_ARM64_X16_OFFSET 0x88, 0x01 #define DWARF_ARM64_X17_OFFSET 0x90, 0x01 #define DWARF_ARM64_X18_OFFSET 0x98, 0x01 #define DWARF_ARM64_X19_OFFSET 0xa0, 0x01 #define DWARF_ARM64_X20_OFFSET 0xa8, 0x01 #define DWARF_ARM64_X21_OFFSET 0xb0, 0x01 #define DWARF_ARM64_X22_OFFSET 0xb8, 0x01 #define DWARF_ARM64_X23_OFFSET 0xc0, 0x01 #define DWARF_ARM64_X24_OFFSET 0xc8, 0x01 #define DWARF_ARM64_X25_OFFSET 0xd0, 0x01 #define DWARF_ARM64_X26_OFFSET 0xd8, 0x01 #define DWARF_ARM64_X27_OFFSET 0xe0, 0x01 #define DWARF_ARM64_X28_OFFSET 0xe8, 0x01 #define DWARF_ARM64_FP_OFFSET 0xf0, 0x01 #define DWARF_ARM64_LR_OFFSET 0xf8, 0x01 #define DWARF_ARM64_SP_OFFSET 0x80, 0x02 #define DWARF_ARM64_PC_OFFSET 0x88, 0x02 #define DWARF_ARM64_CPSR_OFFSET 0x90, 0x02 /* The actual unwind directives added to trap handlers to let the debugger know where the register state is stored */ /* Unwind Prologue added to each function to indicate the start of the unwind information. */ #define UNWIND_PROLOGUE \ .cfi_sections .eh_frame %%\ .cfi_startproc %%\ .cfi_signal_frame %%\ /* Unwind Epilogue added to each function to indicate the end of the unwind information */ #define UNWIND_EPILOGUE .cfi_endproc #define UNWIND_DIRECTIVES \ .cfi_escape DW_CFA_expression, DWARF_ARM64_X0, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X0_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X1, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X1_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X2, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X2_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X3, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X3_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X4, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X4_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X5, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X5_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X6, DW_FORM_LEN_ONE_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X6_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X7, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X7_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X8, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X8_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X9, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X9_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X10, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X10_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X11, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X11_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X12, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X12_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X13, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X13_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X14, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X14_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X15, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X15_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X16, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X16_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X17, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X17_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X18, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X18_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X19, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X19_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X20, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X20_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X21, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X21_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X22, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X22_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X23, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X23_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X24, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X24_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X25, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X25_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X26, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X26_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X27, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X27_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_X28, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_X28_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_FP, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_FP_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_LR, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_LR_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_SP, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_SP_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_PC, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_PC_OFFSET %%\ .cfi_escape DW_CFA_expression, DWARF_ARM64_CPSR, DW_FORM_LEN_TWO_BYTE_SLEB, DW_OP_breg21, DWARF_ARM64_CPSR_OFFSET %%\ #endif /* _ARM64_DWARF_UNWIND_H_ */