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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / sparc / sparc64 / register-dump.h
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e1f601e8 1/* Dump registers.
04277e02 2 Copyright (C) 1999-2019 Free Software Foundation, Inc.
e1f601e8
UD		 3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
5
6 The GNU C Library is free software; you can redistribute it and/or
41bdb6e2
AJ		 7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
e1f601e8
UD		 10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2 14 Lesser General Public License for more details.
e1f601e8 15
41bdb6e2 16 You should have received a copy of the GNU Lesser General Public
59ba27a6 17 License along with the GNU C Library; if not, see
5a82c748 18 <https://www.gnu.org/licenses/>. */
e1f601e8
UD		 19
20#include <sys/uio.h>
eb96ffb0 21#include <_itoa.h>
e1f601e8
UD		 22
23/* We will print the register dump in this format:
24
25 TSTATE: XXXXXXXXXXXXXXXX TPC: XXXXXXXXXXXXXXXX TNPC: XXXXXXXXXXXXXXXX
26 Y: XXXXXXXX
27 g0: 0000000000000000 g1: XXXXXXXXXXXXXXXX g2: XXXXXXXXXXXXXXXX
28 g3: XXXXXXXXXXXXXXXX g4: XXXXXXXXXXXXXXXX g5: XXXXXXXXXXXXXXXX
29 g6: XXXXXXXXXXXXXXXX g7: XXXXXXXXXXXXXXXX
30 o0: XXXXXXXXXXXXXXXX o1: XXXXXXXXXXXXXXXX o2: XXXXXXXXXXXXXXXX
31 o3: XXXXXXXXXXXXXXXX o4: XXXXXXXXXXXXXXXX o5: XXXXXXXXXXXXXXXX
32 sp: XXXXXXXXXXXXXXXX o7: XXXXXXXXXXXXXXXX
33 l0: XXXXXXXXXXXXXXXX l1: XXXXXXXXXXXXXXXX l2: XXXXXXXXXXXXXXXX
34 l3: XXXXXXXXXXXXXXXX l4: XXXXXXXXXXXXXXXX l5: XXXXXXXXXXXXXXXX
35 l6: XXXXXXXXXXXXXXXX l7: XXXXXXXXXXXXXXXX
36 i0: XXXXXXXXXXXXXXXX i1: XXXXXXXXXXXXXXXX i2: XXXXXXXXXXXXXXXX
37 i3: XXXXXXXXXXXXXXXX i4: XXXXXXXXXXXXXXXX i5: XXXXXXXXXXXXXXXX
38 fp: XXXXXXXXXXXXXXXX i7: XXXXXXXXXXXXXXXX
39
7b19af68 40 Mask: XXXXXXXXXXXXXXXX XFSR: XXXXXXXXXXXXXXXX GSR: XX FPRS: X
e1f601e8
UD		 41 f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX
42 f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX
43 f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX
44 f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX
45 f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX
46 f30: XXXXXXXXXXXXXXXX f32: XXXXXXXXXXXXXXXX f34: XXXXXXXXXXXXXXXX
47 f36: XXXXXXXXXXXXXXXX f38: XXXXXXXXXXXXXXXX f40: XXXXXXXXXXXXXXXX
48 f42: XXXXXXXXXXXXXXXX f44: XXXXXXXXXXXXXXXX f46: XXXXXXXXXXXXXXXX
49 f48: XXXXXXXXXXXXXXXX f50: XXXXXXXXXXXXXXXX f52: XXXXXXXXXXXXXXXX
50 f54: XXXXXXXXXXXXXXXX f56: XXXXXXXXXXXXXXXX f58: XXXXXXXXXXXXXXXX
51 f60: XXXXXXXXXXXXXXXX f62: XXXXXXXXXXXXXXXX
52
53 */
54
55static void
56hexvalue (unsigned long int value, char *buf, size_t len)
57{
58 char *cp = _itoa_word (value, buf + len, 16, 0);
59 while (cp > buf)
60 *--cp = '0';
61}
62
a43565ac
AZ		 63/* The sparc64 kernel signal frame for SA_SIGINFO is defined as:
64
65 struct rt_signal_frame
66 {
67 struct sparc_stackf ss;
68 siginfo_t info;
69 struct pt_regs regs; <- void *ctx
70 __siginfo_fpu_t *fpu_save;
71 stack_t stack;
72 sigset_t mask;
73 __siginfo_rwin_t *rwin_save;
74 };
75
76 Unlike other architectures, sparc32 passes pt_regs32 REGS pointers as
77 the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
78
e1f601e8 79static void
a43565ac 80register_dump (int fd, void *ctx)
e1f601e8
UD		 81{
82 char regs[36][16];
e9b3e3c5 83 char fregs[68][8];
e1f601e8
UD		 84 struct iovec iov[150];
85 size_t nr = 0;
86 int i;
a43565ac
AZ		 87 struct pt_regs *ptregs = (struct pt_regs*) ((siginfo_t *)ctx + 1);
88 unsigned long *r = (unsigned long *) (ptregs->u_regs[14] + STACK_BIAS);
89 __siginfo_fpu_t *f = (__siginfo_fpu_t *)(ptregs + 1);
90 struct kernel_sigset_t {
91 unsigned long sig[1];
92 } *mask = (struct kernel_sigset_t *)((stack_t *)(f + 1) + 1);
e1f601e8
UD		 93
94#define ADD_STRING(str) \
95 iov[nr].iov_base = (char *) str; \
96 iov[nr].iov_len = strlen (str); \
97 ++nr
98#define ADD_MEM(str, len) \
99 iov[nr].iov_base = str; \
100 iov[nr].iov_len = len; \
101 ++nr
102
103 /* Generate strings of register contents. */
a43565ac
AZ		 104 hexvalue (ptregs->tstate, regs[0], 16);
105 hexvalue (ptregs->tpc, regs[1], 16);
106 hexvalue (ptregs->tnpc, regs[2], 16);
107 hexvalue (ptregs->y, regs[3], 8);
e1f601e8 108 for (i = 1; i <= 15; i++)
a43565ac 109 hexvalue (ptregs->u_regs[i], regs[3+i], 16);
e1f601e8 110 for (i = 0; i <= 15; i++)
a43565ac
AZ		 111 hexvalue (r[i], regs[19+i], 16);
112 hexvalue (mask->sig[0], regs[35], 16);
e1f601e8
UD		 113
114 /* Generate the output. */
115 ADD_STRING ("Register dump:\n\n TSTATE: ");
116 ADD_MEM (regs[0], 16);
117 ADD_STRING (" TPC: ");
118 ADD_MEM (regs[1], 16);
119 ADD_STRING (" TNPC: ");
120 ADD_MEM (regs[2], 16);
121 ADD_STRING ("\n Y: ");
122 ADD_MEM (regs[3], 8);
123 ADD_STRING ("\n g0: 0000000000000000 g1: ");
124 ADD_MEM (regs[4], 16);
125 ADD_STRING (" g2: ");
126 ADD_MEM (regs[5], 16);
127 ADD_STRING ("\n g3: ");
128 ADD_MEM (regs[6], 16);
129 ADD_STRING (" g4: ");
130 ADD_MEM (regs[7], 16);
131 ADD_STRING (" g5: ");
132 ADD_MEM (regs[8], 16);
133 ADD_STRING ("\n g6: ");
134 ADD_MEM (regs[9], 16);
135 ADD_STRING (" g7: ");
136 ADD_MEM (regs[10], 16);
137 ADD_STRING ("\n o0: ");
138 ADD_MEM (regs[11], 16);
139 ADD_STRING (" o1: ");
140 ADD_MEM (regs[12], 16);
141 ADD_STRING (" o2: ");
142 ADD_MEM (regs[13], 16);
143 ADD_STRING ("\n o3: ");
144 ADD_MEM (regs[14], 16);
145 ADD_STRING (" o4: ");
146 ADD_MEM (regs[15], 16);
147 ADD_STRING (" o5: ");
148 ADD_MEM (regs[16], 16);
149 ADD_STRING ("\n sp: ");
150 ADD_MEM (regs[17], 16);
151 ADD_STRING (" o7: ");
152 ADD_MEM (regs[18], 16);
153 ADD_STRING ("\n l0: ");
154 ADD_MEM (regs[19], 16);
155 ADD_STRING (" l1: ");
156 ADD_MEM (regs[20], 16);
157 ADD_STRING (" l2: ");
158 ADD_MEM (regs[21], 16);
159 ADD_STRING ("\n l3: ");
160 ADD_MEM (regs[22], 16);
161 ADD_STRING (" l4: ");
162 ADD_MEM (regs[23], 16);
163 ADD_STRING (" l5: ");
164 ADD_MEM (regs[24], 16);
165 ADD_STRING ("\n l6: ");
166 ADD_MEM (regs[25], 16);
167 ADD_STRING (" l7: ");
168 ADD_MEM (regs[26], 16);
169 ADD_STRING ("\n i0: ");
170 ADD_MEM (regs[27], 16);
171 ADD_STRING (" i1: ");
172 ADD_MEM (regs[28], 16);
173 ADD_STRING (" i2: ");
174 ADD_MEM (regs[29], 16);
175 ADD_STRING ("\n i3: ");
176 ADD_MEM (regs[30], 16);
177 ADD_STRING (" i4: ");
178 ADD_MEM (regs[31], 16);
179 ADD_STRING (" i5: ");
180 ADD_MEM (regs[32], 16);
181 ADD_STRING ("\n fp: ");
182 ADD_MEM (regs[33], 16);
183 ADD_STRING (" i7: ");
184 ADD_MEM (regs[34], 16);
7b19af68
UD		 185 ADD_STRING ("\n\n Mask: ");
186 ADD_MEM (regs[35], 16);
e1f601e8 187
e1f601e8
UD		 188 if (f != NULL)
189 {
e9b3e3c5
UD		 190 for (i = 0; i < 64; i++)
191 hexvalue (f->si_float_regs[i], fregs[i], 8);
192 hexvalue (f->si_fsr, fregs[64], 16);
193 hexvalue (f->si_gsr, fregs[66], 2);
194 hexvalue (f->si_fprs, fregs[67], 1);
195 ADD_STRING (" XFSR: ");
196 ADD_MEM (fregs[64], 16);
197 ADD_STRING (" GSR: ");
198 ADD_MEM (fregs[66], 2);
199 ADD_STRING (" FPRS: ");
200 ADD_MEM (fregs[67], 1);
201 ADD_STRING ("\n f0: ");
202 ADD_MEM (fregs[0], 16);
203 ADD_STRING (" f2: ");
204 ADD_MEM (fregs[2], 16);
205 ADD_STRING (" f4: ");
206 ADD_MEM (fregs[4], 16);
207 ADD_STRING ("\n f6: ");
208 ADD_MEM (fregs[6], 16);
209 ADD_STRING (" f8: ");
210 ADD_MEM (fregs[8], 16);
211 ADD_STRING (" f10: ");
212 ADD_MEM (fregs[10], 16);
213 ADD_STRING ("\n f12: ");
214 ADD_MEM (fregs[12], 16);
215 ADD_STRING (" f14: ");
216 ADD_MEM (fregs[14], 16);
217 ADD_STRING (" f16: ");
218 ADD_MEM (fregs[16], 16);
219 ADD_STRING ("\n f18: ");
220 ADD_MEM (fregs[18], 16);
221 ADD_STRING (" f20: ");
222 ADD_MEM (fregs[20], 16);
223 ADD_STRING (" f22: ");
224 ADD_MEM (fregs[22], 16);
225 ADD_STRING ("\n f24: ");
226 ADD_MEM (fregs[24], 16);
227 ADD_STRING (" f26: ");
228 ADD_MEM (fregs[26], 16);
229 ADD_STRING (" f28: ");
230 ADD_MEM (fregs[28], 16);
231 ADD_STRING ("\n f30: ");
232 ADD_MEM (fregs[30], 16);
233 ADD_STRING (" f32: ");
234 ADD_MEM (fregs[32], 16);
235 ADD_STRING (" f34: ");
236 ADD_MEM (fregs[34], 16);
237 ADD_STRING ("\n f36: ");
238 ADD_MEM (fregs[36], 16);
239 ADD_STRING (" f38: ");
240 ADD_MEM (fregs[38], 16);
241 ADD_STRING (" f40: ");
242 ADD_MEM (fregs[40], 16);
243 ADD_STRING ("\n f42: ");
244 ADD_MEM (fregs[42], 16);
245 ADD_STRING (" f44: ");
246 ADD_MEM (fregs[44], 16);
247 ADD_STRING (" f46: ");
248 ADD_MEM (fregs[46], 16);
249 ADD_STRING ("\n f48: ");
250 ADD_MEM (fregs[48], 16);
251 ADD_STRING (" f50: ");
252 ADD_MEM (fregs[50], 16);
253 ADD_STRING (" f52: ");
254 ADD_MEM (fregs[52], 16);
255 ADD_STRING ("\n f54: ");
256 ADD_MEM (fregs[54], 16);
257 ADD_STRING (" f56: ");
258 ADD_MEM (fregs[56], 16);
259 ADD_STRING (" f58: ");
260 ADD_MEM (fregs[58], 16);
261 ADD_STRING ("\n f60: ");
262 ADD_MEM (fregs[60], 16);
263 ADD_STRING (" f62: ");
264 ADD_MEM (fregs[62], 16);
265 }
e1f601e8
UD		 266
267 ADD_STRING ("\n");
268
269 /* Write the stuff out. */
270 writev (fd, iov, nr);
271}
272
273
274#define REGISTER_DUMP register_dump (fd, ctx)
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