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/tmp/gdb-13.1/gdb/s390-tdep.h
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1/* Target-dependent code for s390.
2
3 Copyright (C) 2003-2023 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20#ifndef S390_TDEP_H
21#define S390_TDEP_H
22
23#include "prologue-value.h"
24#include "gdbarch.h"
25
27{
31};
32
34{
37};
38
39/* The tdep structure. */
40
42{
43 /* Target description. */
44 const struct target_desc *tdesc = nullptr;
45
46 /* ABI version. */
47 enum s390_abi_kind abi {};
48
49 /* Vector ABI. */
50 enum s390_vector_abi_kind vector_abi {};
51
52 /* Pseudo register numbers. */
54 int pc_regnum = 0;
55 int cc_regnum = 0;
57
58 bool have_upper = 0;
59 bool have_linux_v1 = 0;
60 bool have_linux_v2 = 0;
61 bool have_tdb = 0;
62 bool have_vx = 0;
63 bool have_gs = 0;
64
65 /* Hook to record OS specific systemcall. */
66 int (*s390_syscall_record) (struct regcache *regcache, LONGEST svc_number)
67 = nullptr;
68};
69
70/* Decoding S/390 instructions. */
71
72/* Named opcode values for the S/390 instructions we recognize. Some
73 instructions have their opcode split across two fields; those are the
74 op1_* and op2_* enums. */
75
76enum
77{
78 op1_lhi = 0xa7, op2_lhi = 0x08,
79 op1_lghi = 0xa7, op2_lghi = 0x09,
80 op1_lgfi = 0xc0, op2_lgfi = 0x01,
81 op_lr = 0x18,
82 op_lgr = 0xb904,
83 op_l = 0x58,
84 op1_ly = 0xe3, op2_ly = 0x58,
85 op1_lg = 0xe3, op2_lg = 0x04,
86 op_lm = 0x98,
87 op1_lmy = 0xeb, op2_lmy = 0x98,
88 op1_lmg = 0xeb, op2_lmg = 0x04,
89 op_st = 0x50,
90 op1_sty = 0xe3, op2_sty = 0x50,
91 op1_stg = 0xe3, op2_stg = 0x24,
92 op_std = 0x60,
93 op_stm = 0x90,
94 op1_stmy = 0xeb, op2_stmy = 0x90,
95 op1_stmg = 0xeb, op2_stmg = 0x24,
96 op1_aghi = 0xa7, op2_aghi = 0x0b,
97 op1_ahi = 0xa7, op2_ahi = 0x0a,
98 op1_agfi = 0xc2, op2_agfi = 0x08,
99 op1_afi = 0xc2, op2_afi = 0x09,
100 op1_algfi= 0xc2, op2_algfi= 0x0a,
101 op1_alfi = 0xc2, op2_alfi = 0x0b,
102 op_ar = 0x1a,
103 op_agr = 0xb908,
104 op_a = 0x5a,
105 op1_ay = 0xe3, op2_ay = 0x5a,
106 op1_ag = 0xe3, op2_ag = 0x08,
107 op1_slgfi= 0xc2, op2_slgfi= 0x04,
108 op1_slfi = 0xc2, op2_slfi = 0x05,
109 op_sr = 0x1b,
110 op_sgr = 0xb909,
111 op_s = 0x5b,
112 op1_sy = 0xe3, op2_sy = 0x5b,
113 op1_sg = 0xe3, op2_sg = 0x09,
114 op_nr = 0x14,
115 op_ngr = 0xb980,
116 op_la = 0x41,
117 op1_lay = 0xe3, op2_lay = 0x71,
118 op1_larl = 0xc0, op2_larl = 0x00,
119 op_basr = 0x0d,
120 op_bas = 0x4d,
121 op_bcr = 0x07,
122 op_bc = 0x47,
123 op_bctr = 0x06,
124 op_bctgr = 0xb946,
125 op_bct = 0x46,
126 op1_bctg = 0xe3, op2_bctg = 0x46,
127 op_bxh = 0x86,
128 op1_bxhg = 0xeb, op2_bxhg = 0x44,
129 op_bxle = 0x87,
130 op1_bxleg= 0xeb, op2_bxleg= 0x45,
131 op1_bras = 0xa7, op2_bras = 0x05,
132 op1_brasl= 0xc0, op2_brasl= 0x05,
133 op1_brc = 0xa7, op2_brc = 0x04,
134 op1_brcl = 0xc0, op2_brcl = 0x04,
135 op1_brct = 0xa7, op2_brct = 0x06,
136 op1_brctg= 0xa7, op2_brctg= 0x07,
137 op_brxh = 0x84,
138 op1_brxhg= 0xec, op2_brxhg= 0x44,
139 op_brxle = 0x85,
140 op1_brxlg= 0xec, op2_brxlg= 0x45,
141 op_svc = 0x0a,
142};
143
144/* Hardware capabilities. */
145
146#ifndef HWCAP_S390_HIGH_GPRS
147#define HWCAP_S390_HIGH_GPRS 512
148#endif
149
150#ifndef HWCAP_S390_TE
151#define HWCAP_S390_TE 1024
152#endif
153
154#ifndef HWCAP_S390_VX
155#define HWCAP_S390_VX 2048
156#endif
157
158#ifndef HWCAP_S390_GS
159#define HWCAP_S390_GS 16384
160#endif
161
162/* Register information. */
163
164/* Program Status Word. */
165#define S390_PSWM_REGNUM 0
166#define S390_PSWA_REGNUM 1
167/* General Purpose Registers. */
168#define S390_R0_REGNUM 2
169#define S390_R1_REGNUM 3
170#define S390_R2_REGNUM 4
171#define S390_R3_REGNUM 5
172#define S390_R4_REGNUM 6
173#define S390_R5_REGNUM 7
174#define S390_R6_REGNUM 8
175#define S390_R7_REGNUM 9
176#define S390_R8_REGNUM 10
177#define S390_R9_REGNUM 11
178#define S390_R10_REGNUM 12
179#define S390_R11_REGNUM 13
180#define S390_R12_REGNUM 14
181#define S390_R13_REGNUM 15
182#define S390_R14_REGNUM 16
183#define S390_R15_REGNUM 17
184/* Access Registers. */
185#define S390_A0_REGNUM 18
186#define S390_A1_REGNUM 19
187#define S390_A2_REGNUM 20
188#define S390_A3_REGNUM 21
189#define S390_A4_REGNUM 22
190#define S390_A5_REGNUM 23
191#define S390_A6_REGNUM 24
192#define S390_A7_REGNUM 25
193#define S390_A8_REGNUM 26
194#define S390_A9_REGNUM 27
195#define S390_A10_REGNUM 28
196#define S390_A11_REGNUM 29
197#define S390_A12_REGNUM 30
198#define S390_A13_REGNUM 31
199#define S390_A14_REGNUM 32
200#define S390_A15_REGNUM 33
201/* Floating Point Control Word. */
202#define S390_FPC_REGNUM 34
203/* Floating Point Registers. */
204#define S390_F0_REGNUM 35
205#define S390_F1_REGNUM 36
206#define S390_F2_REGNUM 37
207#define S390_F3_REGNUM 38
208#define S390_F4_REGNUM 39
209#define S390_F5_REGNUM 40
210#define S390_F6_REGNUM 41
211#define S390_F7_REGNUM 42
212#define S390_F8_REGNUM 43
213#define S390_F9_REGNUM 44
214#define S390_F10_REGNUM 45
215#define S390_F11_REGNUM 46
216#define S390_F12_REGNUM 47
217#define S390_F13_REGNUM 48
218#define S390_F14_REGNUM 49
219#define S390_F15_REGNUM 50
220/* General Purpose Register Upper Halves. */
221#define S390_R0_UPPER_REGNUM 51
222#define S390_R1_UPPER_REGNUM 52
223#define S390_R2_UPPER_REGNUM 53
224#define S390_R3_UPPER_REGNUM 54
225#define S390_R4_UPPER_REGNUM 55
226#define S390_R5_UPPER_REGNUM 56
227#define S390_R6_UPPER_REGNUM 57
228#define S390_R7_UPPER_REGNUM 58
229#define S390_R8_UPPER_REGNUM 59
230#define S390_R9_UPPER_REGNUM 60
231#define S390_R10_UPPER_REGNUM 61
232#define S390_R11_UPPER_REGNUM 62
233#define S390_R12_UPPER_REGNUM 63
234#define S390_R13_UPPER_REGNUM 64
235#define S390_R14_UPPER_REGNUM 65
236#define S390_R15_UPPER_REGNUM 66
237/* GNU/Linux-specific optional registers. */
238#define S390_ORIG_R2_REGNUM 67
239#define S390_LAST_BREAK_REGNUM 68
240#define S390_SYSTEM_CALL_REGNUM 69
241/* Transaction diagnostic block. */
242#define S390_TDB_DWORD0_REGNUM 70
243#define S390_TDB_ABORT_CODE_REGNUM 71
244#define S390_TDB_CONFLICT_TOKEN_REGNUM 72
245#define S390_TDB_ATIA_REGNUM 73
246#define S390_TDB_R0_REGNUM 74
247#define S390_TDB_R1_REGNUM 75
248#define S390_TDB_R2_REGNUM 76
249#define S390_TDB_R3_REGNUM 77
250#define S390_TDB_R4_REGNUM 78
251#define S390_TDB_R5_REGNUM 79
252#define S390_TDB_R6_REGNUM 80
253#define S390_TDB_R7_REGNUM 81
254#define S390_TDB_R8_REGNUM 82
255#define S390_TDB_R9_REGNUM 83
256#define S390_TDB_R10_REGNUM 84
257#define S390_TDB_R11_REGNUM 85
258#define S390_TDB_R12_REGNUM 86
259#define S390_TDB_R13_REGNUM 87
260#define S390_TDB_R14_REGNUM 88
261#define S390_TDB_R15_REGNUM 89
262/* Vector registers. */
263#define S390_V0_LOWER_REGNUM 90
264#define S390_V1_LOWER_REGNUM 91
265#define S390_V2_LOWER_REGNUM 92
266#define S390_V3_LOWER_REGNUM 93
267#define S390_V4_LOWER_REGNUM 94
268#define S390_V5_LOWER_REGNUM 95
269#define S390_V6_LOWER_REGNUM 96
270#define S390_V7_LOWER_REGNUM 97
271#define S390_V8_LOWER_REGNUM 98
272#define S390_V9_LOWER_REGNUM 99
273#define S390_V10_LOWER_REGNUM 100
274#define S390_V11_LOWER_REGNUM 101
275#define S390_V12_LOWER_REGNUM 102
276#define S390_V13_LOWER_REGNUM 103
277#define S390_V14_LOWER_REGNUM 104
278#define S390_V15_LOWER_REGNUM 105
279#define S390_V16_REGNUM 106
280#define S390_V17_REGNUM 107
281#define S390_V18_REGNUM 108
282#define S390_V19_REGNUM 109
283#define S390_V20_REGNUM 110
284#define S390_V21_REGNUM 111
285#define S390_V22_REGNUM 112
286#define S390_V23_REGNUM 113
287#define S390_V24_REGNUM 114
288#define S390_V25_REGNUM 115
289#define S390_V26_REGNUM 116
290#define S390_V27_REGNUM 117
291#define S390_V28_REGNUM 118
292#define S390_V29_REGNUM 119
293#define S390_V30_REGNUM 120
294#define S390_V31_REGNUM 121
295#define S390_GSD_REGNUM 122
296#define S390_GSSM_REGNUM 123
297#define S390_GSEPLA_REGNUM 124
298#define S390_BC_GSD_REGNUM 125
299#define S390_BC_GSSM_REGNUM 126
300#define S390_BC_GSEPLA_REGNUM 127
301/* Total. */
302#define S390_NUM_REGS 128
303
304#define S390_NUM_GPRS 16
305#define S390_NUM_FPRS 16
306
307#define S390_MAX_INSTR_SIZE 6
308
309/* Special register usage. */
310#define S390_SP_REGNUM S390_R15_REGNUM
311#define S390_RETADDR_REGNUM S390_R14_REGNUM
312#define S390_FRAME_REGNUM S390_R11_REGNUM
313
314/* Frame unwinding. */
315
317 (frame_info_ptr this_frame, struct trad_frame_saved_reg saved_regs[],
318 int regnum);
319
320extern const struct target_desc *tdesc_s390_linux32;
321extern const struct target_desc *tdesc_s390x_linux64;
322
323#endif /* S390_TDEP_H */
int regnum
Definition: aarch64-tdep.c:68
const struct target_desc * tdesc_s390x_linux64
Definition: s390x-linux64.c:8
s390_abi_kind
Definition: s390-tdep.h:27
@ ABI_NONE
Definition: s390-tdep.h:28
@ ABI_LINUX_ZSERIES
Definition: s390-tdep.h:30
@ ABI_LINUX_S390
Definition: s390-tdep.h:29
@ op_stm
Definition: s390-tdep.h:93
@ op_l
Definition: s390-tdep.h:83
@ op_sgr
Definition: s390-tdep.h:110
@ op2_ly
Definition: s390-tdep.h:84
@ op1_lgfi
Definition: s390-tdep.h:80
@ op1_lay
Definition: s390-tdep.h:117
@ op2_stmy
Definition: s390-tdep.h:94
@ op_agr
Definition: s390-tdep.h:103
@ op1_lghi
Definition: s390-tdep.h:79
@ op2_lmg
Definition: s390-tdep.h:88
@ op2_slfi
Definition: s390-tdep.h:108
@ op1_bctg
Definition: s390-tdep.h:126
@ op2_brcl
Definition: s390-tdep.h:134
@ op1_stg
Definition: s390-tdep.h:91
@ op1_sty
Definition: s390-tdep.h:90
@ op1_ahi
Definition: s390-tdep.h:97
@ op_brxh
Definition: s390-tdep.h:137
@ op1_brxhg
Definition: s390-tdep.h:138
@ op1_bxhg
Definition: s390-tdep.h:128
@ op2_algfi
Definition: s390-tdep.h:100
@ op1_sg
Definition: s390-tdep.h:113
@ op2_sty
Definition: s390-tdep.h:90
@ op_la
Definition: s390-tdep.h:116
@ op1_bras
Definition: s390-tdep.h:131
@ op1_ag
Definition: s390-tdep.h:106
@ op2_lg
Definition: s390-tdep.h:85
@ op2_lhi
Definition: s390-tdep.h:78
@ op2_larl
Definition: s390-tdep.h:118
@ op_nr
Definition: s390-tdep.h:114
@ op_ngr
Definition: s390-tdep.h:115
@ op1_algfi
Definition: s390-tdep.h:100
@ op1_brc
Definition: s390-tdep.h:133
@ op_st
Definition: s390-tdep.h:89
@ op2_agfi
Definition: s390-tdep.h:98
@ op2_bxleg
Definition: s390-tdep.h:130
@ op1_lmg
Definition: s390-tdep.h:88
@ op2_lmy
Definition: s390-tdep.h:87
@ op2_brxhg
Definition: s390-tdep.h:138
@ op2_brxlg
Definition: s390-tdep.h:140
@ op1_afi
Definition: s390-tdep.h:99
@ op1_slfi
Definition: s390-tdep.h:108
@ op2_stmg
Definition: s390-tdep.h:95
@ op1_brasl
Definition: s390-tdep.h:132
@ op1_stmy
Definition: s390-tdep.h:94
@ op1_ly
Definition: s390-tdep.h:84
@ op_std
Definition: s390-tdep.h:92
@ op_lm
Definition: s390-tdep.h:86
@ op_brxle
Definition: s390-tdep.h:139
@ op1_larl
Definition: s390-tdep.h:118
@ op2_bctg
Definition: s390-tdep.h:126
@ op_bcr
Definition: s390-tdep.h:121
@ op1_stmg
Definition: s390-tdep.h:95
@ op_bxh
Definition: s390-tdep.h:127
@ op_bas
Definition: s390-tdep.h:120
@ op2_stg
Definition: s390-tdep.h:91
@ op1_brctg
Definition: s390-tdep.h:136
@ op_sr
Definition: s390-tdep.h:109
@ op1_alfi
Definition: s390-tdep.h:101
@ op_lgr
Definition: s390-tdep.h:82
@ op_lr
Definition: s390-tdep.h:81
@ op1_lmy
Definition: s390-tdep.h:87
@ op2_aghi
Definition: s390-tdep.h:96
@ op_bctgr
Definition: s390-tdep.h:124
@ op2_brct
Definition: s390-tdep.h:135
@ op2_bras
Definition: s390-tdep.h:131
@ op1_bxleg
Definition: s390-tdep.h:130
@ op_basr
Definition: s390-tdep.h:119
@ op1_sy
Definition: s390-tdep.h:112
@ op2_ahi
Definition: s390-tdep.h:97
@ op1_brcl
Definition: s390-tdep.h:134
@ op2_brc
Definition: s390-tdep.h:133
@ op2_ay
Definition: s390-tdep.h:105
@ op2_brasl
Definition: s390-tdep.h:132
@ op2_sg
Definition: s390-tdep.h:113
@ op1_agfi
Definition: s390-tdep.h:98
@ op_s
Definition: s390-tdep.h:111
@ op_bxle
Definition: s390-tdep.h:129
@ op_svc
Definition: s390-tdep.h:141
@ op2_slgfi
Definition: s390-tdep.h:107
@ op2_lay
Definition: s390-tdep.h:117
@ op1_brct
Definition: s390-tdep.h:135
@ op2_alfi
Definition: s390-tdep.h:101
@ op1_ay
Definition: s390-tdep.h:105
@ op_bc
Definition: s390-tdep.h:122
@ op1_lhi
Definition: s390-tdep.h:78
@ op1_lg
Definition: s390-tdep.h:85
@ op1_aghi
Definition: s390-tdep.h:96
@ op2_ag
Definition: s390-tdep.h:106
@ op2_brctg
Definition: s390-tdep.h:136
@ op2_sy
Definition: s390-tdep.h:112
@ op_bctr
Definition: s390-tdep.h:123
@ op_ar
Definition: s390-tdep.h:102
@ op_bct
Definition: s390-tdep.h:125
@ op_a
Definition: s390-tdep.h:104
@ op2_lghi
Definition: s390-tdep.h:79
@ op2_bxhg
Definition: s390-tdep.h:128
@ op2_afi
Definition: s390-tdep.h:99
@ op1_slgfi
Definition: s390-tdep.h:107
@ op2_lgfi
Definition: s390-tdep.h:80
@ op1_brxlg
Definition: s390-tdep.h:140
struct value * s390_trad_frame_prev_register(frame_info_ptr this_frame, struct trad_frame_saved_reg saved_regs[], int regnum)
Definition: s390-tdep.c:2306
s390_vector_abi_kind
Definition: s390-tdep.h:34
@ S390_VECTOR_ABI_NONE
Definition: s390-tdep.h:35
@ S390_VECTOR_ABI_128
Definition: s390-tdep.h:36
const struct target_desc * tdesc_s390_linux32
Definition: s390-linux32.c:8
const struct target_desc * tdesc
Definition: s390-tdep.h:44
int(* s390_syscall_record)(struct regcache *regcache, LONGEST svc_number)
Definition: s390-tdep.h:66
Definition: value.c:181