2 Copyright (C) 1999-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
22 /* We will print the register dump in this format:
24 TSTATE: XXXXXXXXXXXXXXXX TPC: XXXXXXXXXXXXXXXX TNPC: XXXXXXXXXXXXXXXX
26 g0: 0000000000000000 g1: XXXXXXXXXXXXXXXX g2: XXXXXXXXXXXXXXXX
27 g3: XXXXXXXXXXXXXXXX g4: XXXXXXXXXXXXXXXX g5: XXXXXXXXXXXXXXXX
28 g6: XXXXXXXXXXXXXXXX g7: XXXXXXXXXXXXXXXX
29 o0: XXXXXXXXXXXXXXXX o1: XXXXXXXXXXXXXXXX o2: XXXXXXXXXXXXXXXX
30 o3: XXXXXXXXXXXXXXXX o4: XXXXXXXXXXXXXXXX o5: XXXXXXXXXXXXXXXX
31 sp: XXXXXXXXXXXXXXXX o7: XXXXXXXXXXXXXXXX
32 l0: XXXXXXXXXXXXXXXX l1: XXXXXXXXXXXXXXXX l2: XXXXXXXXXXXXXXXX
33 l3: XXXXXXXXXXXXXXXX l4: XXXXXXXXXXXXXXXX l5: XXXXXXXXXXXXXXXX
34 l6: XXXXXXXXXXXXXXXX l7: XXXXXXXXXXXXXXXX
35 i0: XXXXXXXXXXXXXXXX i1: XXXXXXXXXXXXXXXX i2: XXXXXXXXXXXXXXXX
36 i3: XXXXXXXXXXXXXXXX i4: XXXXXXXXXXXXXXXX i5: XXXXXXXXXXXXXXXX
37 fp: XXXXXXXXXXXXXXXX i7: XXXXXXXXXXXXXXXX
39 Mask: XXXXXXXXXXXXXXXX XFSR: XXXXXXXXXXXXXXXX GSR: XX FPRS: X
40 f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX
41 f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX
42 f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX
43 f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX
44 f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX
45 f30: XXXXXXXXXXXXXXXX f32: XXXXXXXXXXXXXXXX f34: XXXXXXXXXXXXXXXX
46 f36: XXXXXXXXXXXXXXXX f38: XXXXXXXXXXXXXXXX f40: XXXXXXXXXXXXXXXX
47 f42: XXXXXXXXXXXXXXXX f44: XXXXXXXXXXXXXXXX f46: XXXXXXXXXXXXXXXX
48 f48: XXXXXXXXXXXXXXXX f50: XXXXXXXXXXXXXXXX f52: XXXXXXXXXXXXXXXX
49 f54: XXXXXXXXXXXXXXXX f56: XXXXXXXXXXXXXXXX f58: XXXXXXXXXXXXXXXX
50 f60: XXXXXXXXXXXXXXXX f62: XXXXXXXXXXXXXXXX
55 hexvalue (unsigned long int value, char *buf, size_t len)
57 char *cp = _itoa_word (value, buf + len, 16, 0);
62 /* The sparc64 kernel signal frame for SA_SIGINFO is defined as:
64 struct rt_signal_frame
66 struct sparc_stackf ss;
68 struct pt_regs regs; <- void *ctx
69 __siginfo_fpu_t *fpu_save;
72 __siginfo_rwin_t *rwin_save;
75 Unlike other architectures, sparc32 passes pt_regs32 REGS pointers as
76 the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
79 register_dump (int fd, void *ctx)
83 struct iovec iov[150];
86 struct pt_regs *ptregs = (struct pt_regs*) ((siginfo_t *)ctx + 1);
87 unsigned long *r = (unsigned long *) (ptregs->u_regs[14] + STACK_BIAS);
88 __siginfo_fpu_t *f = (__siginfo_fpu_t *)(ptregs + 1);
89 struct kernel_sigset_t {
91 } *mask = (struct kernel_sigset_t *)((stack_t *)(f + 1) + 1);
93 #define ADD_STRING(str) \
94 iov[nr].iov_base = (char *) str; \
95 iov[nr].iov_len = strlen (str); \
97 #define ADD_MEM(str, len) \
98 iov[nr].iov_base = str; \
99 iov[nr].iov_len = len; \
102 /* Generate strings of register contents. */
103 hexvalue (ptregs->tstate, regs[0], 16);
104 hexvalue (ptregs->tpc, regs[1], 16);
105 hexvalue (ptregs->tnpc, regs[2], 16);
106 hexvalue (ptregs->y, regs[3], 8);
107 for (i = 1; i <= 15; i++)
108 hexvalue (ptregs->u_regs[i], regs[3+i], 16);
109 for (i = 0; i <= 15; i++)
110 hexvalue (r[i], regs[19+i], 16);
111 hexvalue (mask->sig[0], regs[35], 16);
113 /* Generate the output. */
114 ADD_STRING ("Register dump:\n\n TSTATE: ");
115 ADD_MEM (regs[0], 16);
116 ADD_STRING (" TPC: ");
117 ADD_MEM (regs[1], 16);
118 ADD_STRING (" TNPC: ");
119 ADD_MEM (regs[2], 16);
120 ADD_STRING ("\n Y: ");
121 ADD_MEM (regs[3], 8);
122 ADD_STRING ("\n g0: 0000000000000000 g1: ");
123 ADD_MEM (regs[4], 16);
124 ADD_STRING (" g2: ");
125 ADD_MEM (regs[5], 16);
126 ADD_STRING ("\n g3: ");
127 ADD_MEM (regs[6], 16);
128 ADD_STRING (" g4: ");
129 ADD_MEM (regs[7], 16);
130 ADD_STRING (" g5: ");
131 ADD_MEM (regs[8], 16);
132 ADD_STRING ("\n g6: ");
133 ADD_MEM (regs[9], 16);
134 ADD_STRING (" g7: ");
135 ADD_MEM (regs[10], 16);
136 ADD_STRING ("\n o0: ");
137 ADD_MEM (regs[11], 16);
138 ADD_STRING (" o1: ");
139 ADD_MEM (regs[12], 16);
140 ADD_STRING (" o2: ");
141 ADD_MEM (regs[13], 16);
142 ADD_STRING ("\n o3: ");
143 ADD_MEM (regs[14], 16);
144 ADD_STRING (" o4: ");
145 ADD_MEM (regs[15], 16);
146 ADD_STRING (" o5: ");
147 ADD_MEM (regs[16], 16);
148 ADD_STRING ("\n sp: ");
149 ADD_MEM (regs[17], 16);
150 ADD_STRING (" o7: ");
151 ADD_MEM (regs[18], 16);
152 ADD_STRING ("\n l0: ");
153 ADD_MEM (regs[19], 16);
154 ADD_STRING (" l1: ");
155 ADD_MEM (regs[20], 16);
156 ADD_STRING (" l2: ");
157 ADD_MEM (regs[21], 16);
158 ADD_STRING ("\n l3: ");
159 ADD_MEM (regs[22], 16);
160 ADD_STRING (" l4: ");
161 ADD_MEM (regs[23], 16);
162 ADD_STRING (" l5: ");
163 ADD_MEM (regs[24], 16);
164 ADD_STRING ("\n l6: ");
165 ADD_MEM (regs[25], 16);
166 ADD_STRING (" l7: ");
167 ADD_MEM (regs[26], 16);
168 ADD_STRING ("\n i0: ");
169 ADD_MEM (regs[27], 16);
170 ADD_STRING (" i1: ");
171 ADD_MEM (regs[28], 16);
172 ADD_STRING (" i2: ");
173 ADD_MEM (regs[29], 16);
174 ADD_STRING ("\n i3: ");
175 ADD_MEM (regs[30], 16);
176 ADD_STRING (" i4: ");
177 ADD_MEM (regs[31], 16);
178 ADD_STRING (" i5: ");
179 ADD_MEM (regs[32], 16);
180 ADD_STRING ("\n fp: ");
181 ADD_MEM (regs[33], 16);
182 ADD_STRING (" i7: ");
183 ADD_MEM (regs[34], 16);
184 ADD_STRING ("\n\n Mask: ");
185 ADD_MEM (regs[35], 16);
189 for (i = 0; i < 64; i++)
190 hexvalue (f->si_float_regs[i], fregs[i], 8);
191 hexvalue (f->si_fsr, fregs[64], 16);
192 hexvalue (f->si_gsr, fregs[66], 2);
193 hexvalue (f->si_fprs, fregs[67], 1);
194 ADD_STRING (" XFSR: ");
195 ADD_MEM (fregs[64], 16);
196 ADD_STRING (" GSR: ");
197 ADD_MEM (fregs[66], 2);
198 ADD_STRING (" FPRS: ");
199 ADD_MEM (fregs[67], 1);
200 ADD_STRING ("\n f0: ");
201 ADD_MEM (fregs[0], 16);
202 ADD_STRING (" f2: ");
203 ADD_MEM (fregs[2], 16);
204 ADD_STRING (" f4: ");
205 ADD_MEM (fregs[4], 16);
206 ADD_STRING ("\n f6: ");
207 ADD_MEM (fregs[6], 16);
208 ADD_STRING (" f8: ");
209 ADD_MEM (fregs[8], 16);
210 ADD_STRING (" f10: ");
211 ADD_MEM (fregs[10], 16);
212 ADD_STRING ("\n f12: ");
213 ADD_MEM (fregs[12], 16);
214 ADD_STRING (" f14: ");
215 ADD_MEM (fregs[14], 16);
216 ADD_STRING (" f16: ");
217 ADD_MEM (fregs[16], 16);
218 ADD_STRING ("\n f18: ");
219 ADD_MEM (fregs[18], 16);
220 ADD_STRING (" f20: ");
221 ADD_MEM (fregs[20], 16);
222 ADD_STRING (" f22: ");
223 ADD_MEM (fregs[22], 16);
224 ADD_STRING ("\n f24: ");
225 ADD_MEM (fregs[24], 16);
226 ADD_STRING (" f26: ");
227 ADD_MEM (fregs[26], 16);
228 ADD_STRING (" f28: ");
229 ADD_MEM (fregs[28], 16);
230 ADD_STRING ("\n f30: ");
231 ADD_MEM (fregs[30], 16);
232 ADD_STRING (" f32: ");
233 ADD_MEM (fregs[32], 16);
234 ADD_STRING (" f34: ");
235 ADD_MEM (fregs[34], 16);
236 ADD_STRING ("\n f36: ");
237 ADD_MEM (fregs[36], 16);
238 ADD_STRING (" f38: ");
239 ADD_MEM (fregs[38], 16);
240 ADD_STRING (" f40: ");
241 ADD_MEM (fregs[40], 16);
242 ADD_STRING ("\n f42: ");
243 ADD_MEM (fregs[42], 16);
244 ADD_STRING (" f44: ");
245 ADD_MEM (fregs[44], 16);
246 ADD_STRING (" f46: ");
247 ADD_MEM (fregs[46], 16);
248 ADD_STRING ("\n f48: ");
249 ADD_MEM (fregs[48], 16);
250 ADD_STRING (" f50: ");
251 ADD_MEM (fregs[50], 16);
252 ADD_STRING (" f52: ");
253 ADD_MEM (fregs[52], 16);
254 ADD_STRING ("\n f54: ");
255 ADD_MEM (fregs[54], 16);
256 ADD_STRING (" f56: ");
257 ADD_MEM (fregs[56], 16);
258 ADD_STRING (" f58: ");
259 ADD_MEM (fregs[58], 16);
260 ADD_STRING ("\n f60: ");
261 ADD_MEM (fregs[60], 16);
262 ADD_STRING (" f62: ");
263 ADD_MEM (fregs[62], 16);
268 /* Write the stuff out. */
269 writev (fd, iov, nr);
273 #define REGISTER_DUMP register_dump (fd, ctx)