^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2009 Matt Fleming <matt@console-pimps.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #ifndef __ASM_SH_DWARF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #define __ASM_SH_DWARF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifdef CONFIG_DWARF_UNWINDER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * DWARF expression operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define DW_OP_addr 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define DW_OP_deref 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define DW_OP_const1u 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define DW_OP_const1s 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define DW_OP_const2u 0x0a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define DW_OP_const2s 0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define DW_OP_const4u 0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define DW_OP_const4s 0x0d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define DW_OP_const8u 0x0e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define DW_OP_const8s 0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define DW_OP_constu 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define DW_OP_consts 0x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define DW_OP_dup 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define DW_OP_drop 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define DW_OP_over 0x14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define DW_OP_pick 0x15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define DW_OP_swap 0x16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define DW_OP_rot 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define DW_OP_xderef 0x18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define DW_OP_abs 0x19
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define DW_OP_and 0x1a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define DW_OP_div 0x1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define DW_OP_minus 0x1c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define DW_OP_mod 0x1d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define DW_OP_mul 0x1e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define DW_OP_neg 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define DW_OP_not 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define DW_OP_or 0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define DW_OP_plus 0x22
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define DW_OP_plus_uconst 0x23
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define DW_OP_shl 0x24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define DW_OP_shr 0x25
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define DW_OP_shra 0x26
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define DW_OP_xor 0x27
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define DW_OP_skip 0x2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define DW_OP_bra 0x28
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define DW_OP_eq 0x29
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define DW_OP_ge 0x2a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define DW_OP_gt 0x2b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define DW_OP_le 0x2c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define DW_OP_lt 0x2d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define DW_OP_ne 0x2e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define DW_OP_lit0 0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define DW_OP_lit1 0x31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define DW_OP_lit2 0x32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define DW_OP_lit3 0x33
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define DW_OP_lit4 0x34
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define DW_OP_lit5 0x35
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define DW_OP_lit6 0x36
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define DW_OP_lit7 0x37
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define DW_OP_lit8 0x38
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define DW_OP_lit9 0x39
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define DW_OP_lit10 0x3a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define DW_OP_lit11 0x3b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define DW_OP_lit12 0x3c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define DW_OP_lit13 0x3d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define DW_OP_lit14 0x3e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define DW_OP_lit15 0x3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define DW_OP_lit16 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define DW_OP_lit17 0x41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define DW_OP_lit18 0x42
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define DW_OP_lit19 0x43
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define DW_OP_lit20 0x44
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define DW_OP_lit21 0x45
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define DW_OP_lit22 0x46
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define DW_OP_lit23 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define DW_OP_lit24 0x48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define DW_OP_lit25 0x49
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define DW_OP_lit26 0x4a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define DW_OP_lit27 0x4b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define DW_OP_lit28 0x4c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define DW_OP_lit29 0x4d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define DW_OP_lit30 0x4e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define DW_OP_lit31 0x4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define DW_OP_reg0 0x50
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define DW_OP_reg1 0x51
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define DW_OP_reg2 0x52
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define DW_OP_reg3 0x53
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define DW_OP_reg4 0x54
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define DW_OP_reg5 0x55
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define DW_OP_reg6 0x56
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define DW_OP_reg7 0x57
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define DW_OP_reg8 0x58
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define DW_OP_reg9 0x59
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define DW_OP_reg10 0x5a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define DW_OP_reg11 0x5b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define DW_OP_reg12 0x5c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define DW_OP_reg13 0x5d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define DW_OP_reg14 0x5e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define DW_OP_reg15 0x5f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define DW_OP_reg16 0x60
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define DW_OP_reg17 0x61
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define DW_OP_reg18 0x62
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define DW_OP_reg19 0x63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define DW_OP_reg20 0x64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define DW_OP_reg21 0x65
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define DW_OP_reg22 0x66
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define DW_OP_reg23 0x67
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define DW_OP_reg24 0x68
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define DW_OP_reg25 0x69
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define DW_OP_reg26 0x6a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define DW_OP_reg27 0x6b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define DW_OP_reg28 0x6c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define DW_OP_reg29 0x6d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define DW_OP_reg30 0x6e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #define DW_OP_reg31 0x6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #define DW_OP_breg0 0x70
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define DW_OP_breg1 0x71
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #define DW_OP_breg2 0x72
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define DW_OP_breg3 0x73
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #define DW_OP_breg4 0x74
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define DW_OP_breg5 0x75
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #define DW_OP_breg6 0x76
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #define DW_OP_breg7 0x77
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #define DW_OP_breg8 0x78
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define DW_OP_breg9 0x79
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define DW_OP_breg10 0x7a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #define DW_OP_breg11 0x7b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #define DW_OP_breg12 0x7c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #define DW_OP_breg13 0x7d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #define DW_OP_breg14 0x7e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #define DW_OP_breg15 0x7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) #define DW_OP_breg16 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define DW_OP_breg17 0x81
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) #define DW_OP_breg18 0x82
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #define DW_OP_breg19 0x83
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #define DW_OP_breg20 0x84
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #define DW_OP_breg21 0x85
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) #define DW_OP_breg22 0x86
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #define DW_OP_breg23 0x87
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #define DW_OP_breg24 0x88
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define DW_OP_breg25 0x89
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) #define DW_OP_breg26 0x8a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) #define DW_OP_breg27 0x8b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) #define DW_OP_breg28 0x8c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define DW_OP_breg29 0x8d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) #define DW_OP_breg30 0x8e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) #define DW_OP_breg31 0x8f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) #define DW_OP_regx 0x90
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #define DW_OP_fbreg 0x91
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) #define DW_OP_bregx 0x92
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define DW_OP_piece 0x93
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #define DW_OP_deref_size 0x94
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #define DW_OP_xderef_size 0x95
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #define DW_OP_nop 0x96
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #define DW_OP_push_object_address 0x97
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) #define DW_OP_call2 0x98
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #define DW_OP_call4 0x99
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) #define DW_OP_call_ref 0x9a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #define DW_OP_form_tls_address 0x9b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #define DW_OP_call_frame_cfa 0x9c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #define DW_OP_bit_piece 0x9d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) #define DW_OP_lo_user 0xe0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #define DW_OP_hi_user 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * Addresses used in FDE entries in the .eh_frame section may be encoded
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * using one of the following encodings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #define DW_EH_PE_absptr 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define DW_EH_PE_omit 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) #define DW_EH_PE_uleb128 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #define DW_EH_PE_udata2 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #define DW_EH_PE_udata4 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #define DW_EH_PE_udata8 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) #define DW_EH_PE_sleb128 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #define DW_EH_PE_sdata2 0x0a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) #define DW_EH_PE_sdata4 0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) #define DW_EH_PE_sdata8 0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) #define DW_EH_PE_signed 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #define DW_EH_PE_pcrel 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * The architecture-specific register number that contains the return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * address in the .debug_frame table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #define DWARF_ARCH_RA_REG 17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #ifndef __ASSEMBLY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) #include <linux/bug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * Read either the frame pointer (r14) or the stack pointer (r15).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * NOTE: this MUST be inlined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static __always_inline unsigned long dwarf_read_arch_reg(unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) unsigned long value = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) switch (reg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) case 14:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) __asm__ __volatile__("mov r14, %0\n" : "=r" (value));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) case 15:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) __asm__ __volatile__("mov r15, %0\n" : "=r" (value));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) BUG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * dwarf_cie - Common Information Entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct dwarf_cie {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) unsigned long length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) unsigned long cie_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) unsigned char version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) const char *augmentation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) unsigned int code_alignment_factor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) int data_alignment_factor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) /* Which column in the rule table represents return addr of func. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) unsigned int return_address_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) unsigned char *initial_instructions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) unsigned char *instructions_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) unsigned char encoding;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) unsigned long cie_pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) #define DWARF_CIE_Z_AUGMENTATION (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) /* linked-list entry if this CIE is from a module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct list_head link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) struct rb_node node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * dwarf_fde - Frame Description Entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct dwarf_fde {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) unsigned long length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) unsigned long cie_pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) struct dwarf_cie *cie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) unsigned long initial_location;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) unsigned long address_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) unsigned char *instructions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) unsigned char *end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /* linked-list entry if this FDE is from a module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) struct list_head link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct rb_node node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) * dwarf_frame - DWARF information for a frame in the call stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) struct dwarf_frame {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) struct dwarf_frame *prev, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) unsigned long pc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct list_head reg_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) unsigned long cfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) /* Valid when DW_FRAME_CFA_REG_OFFSET is set in flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) unsigned int cfa_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) unsigned int cfa_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* Valid when DW_FRAME_CFA_REG_EXP is set in flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) unsigned char *cfa_expr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) unsigned int cfa_expr_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) #define DWARF_FRAME_CFA_REG_OFFSET (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) #define DWARF_FRAME_CFA_REG_EXP (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) unsigned long return_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) * dwarf_reg - DWARF register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) * @flags: Describes how to calculate the value of this register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) struct dwarf_reg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) struct list_head link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) unsigned int number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) unsigned long addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) #define DWARF_REG_OFFSET (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) #define DWARF_VAL_OFFSET (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) #define DWARF_UNDEFINED (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) * Call Frame instruction opcodes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) #define DW_CFA_advance_loc 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) #define DW_CFA_offset 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) #define DW_CFA_restore 0xc0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) #define DW_CFA_nop 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) #define DW_CFA_set_loc 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) #define DW_CFA_advance_loc1 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) #define DW_CFA_advance_loc2 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) #define DW_CFA_advance_loc4 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) #define DW_CFA_offset_extended 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) #define DW_CFA_restore_extended 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) #define DW_CFA_undefined 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) #define DW_CFA_same_value 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) #define DW_CFA_register 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) #define DW_CFA_remember_state 0x0a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) #define DW_CFA_restore_state 0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) #define DW_CFA_def_cfa 0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) #define DW_CFA_def_cfa_register 0x0d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) #define DW_CFA_def_cfa_offset 0x0e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) #define DW_CFA_def_cfa_expression 0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) #define DW_CFA_expression 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) #define DW_CFA_offset_extended_sf 0x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) #define DW_CFA_def_cfa_sf 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) #define DW_CFA_def_cfa_offset_sf 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) #define DW_CFA_val_offset 0x14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) #define DW_CFA_val_offset_sf 0x15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) #define DW_CFA_val_expression 0x16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) #define DW_CFA_lo_user 0x1c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) #define DW_CFA_hi_user 0x3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) /* GNU extension opcodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) #define DW_CFA_GNU_args_size 0x2e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) #define DW_CFA_GNU_negative_offset_extended 0x2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * Some call frame instructions encode their operands in the opcode. We
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) * need some helper functions to extract both the opcode and operands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) * from an instruction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) static inline unsigned int DW_CFA_opcode(unsigned long insn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return (insn & 0xc0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) static inline unsigned int DW_CFA_operand(unsigned long insn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) return (insn & 0x3f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) #define DW_EH_FRAME_CIE 0 /* .eh_frame CIE IDs are 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) #define DW_CIE_ID 0xffffffff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) #define DW64_CIE_ID 0xffffffffffffffffULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) * DWARF FDE/CIE length field values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) #define DW_EXT_LO 0xfffffff0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) #define DW_EXT_HI 0xffffffff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) #define DW_EXT_DWARF64 DW_EXT_HI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) struct dwarf_frame *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) extern void dwarf_free_frame(struct dwarf_frame *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) extern int module_dwarf_finalize(const Elf_Ehdr *, const Elf_Shdr *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct module *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) extern void module_dwarf_cleanup(struct module *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) #endif /* !__ASSEMBLY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) #define CFI_STARTPROC .cfi_startproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) #define CFI_ENDPROC .cfi_endproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) #define CFI_DEF_CFA .cfi_def_cfa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) #define CFI_REGISTER .cfi_register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) #define CFI_REL_OFFSET .cfi_rel_offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) #define CFI_UNDEFINED .cfi_undefined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) * Use the asm comment character to ignore the rest of the line.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) #define CFI_IGNORE !
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) #define CFI_STARTPROC CFI_IGNORE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) #define CFI_ENDPROC CFI_IGNORE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) #define CFI_DEF_CFA CFI_IGNORE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) #define CFI_REGISTER CFI_IGNORE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) #define CFI_REL_OFFSET CFI_IGNORE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) #define CFI_UNDEFINED CFI_IGNORE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) #ifndef __ASSEMBLY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static inline void dwarf_unwinder_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) #define module_dwarf_finalize(hdr, sechdrs, me) (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) #define module_dwarf_cleanup(mod) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) #endif /* CONFIG_DWARF_UNWINDER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) #endif /* __ASM_SH_DWARF_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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