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1 | // OBSOLETE /* Native-dependent Motorola 88xxx support for GDB, the GNU Debugger. |
2 | // OBSOLETE Copyright 1988, 1990, 1991, 1992, 1993, 1995, 1999, 2000, 2001 | |
3 | // OBSOLETE Free Software Foundation, Inc. | |
4 | // OBSOLETE | |
5 | // OBSOLETE This file is part of GDB. | |
6 | // OBSOLETE | |
7 | // OBSOLETE This program is free software; you can redistribute it and/or modify | |
8 | // OBSOLETE it under the terms of the GNU General Public License as published by | |
9 | // OBSOLETE the Free Software Foundation; either version 2 of the License, or | |
10 | // OBSOLETE (at your option) any later version. | |
11 | // OBSOLETE | |
12 | // OBSOLETE This program is distributed in the hope that it will be useful, | |
13 | // OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // OBSOLETE GNU General Public License for more details. | |
16 | // OBSOLETE | |
17 | // OBSOLETE You should have received a copy of the GNU General Public License | |
18 | // OBSOLETE along with this program; if not, write to the Free Software | |
19 | // OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | // OBSOLETE Boston, MA 02111-1307, USA. */ | |
21 | // OBSOLETE | |
22 | // OBSOLETE #include "defs.h" | |
23 | // OBSOLETE #include "frame.h" | |
24 | // OBSOLETE #include "inferior.h" | |
25 | // OBSOLETE #include "regcache.h" | |
26 | // OBSOLETE | |
27 | // OBSOLETE #include <sys/types.h> | |
28 | // OBSOLETE #include <sys/param.h> | |
29 | // OBSOLETE #include <sys/dir.h> | |
30 | // OBSOLETE #include <signal.h> | |
31 | // OBSOLETE #include "gdbcore.h" | |
32 | // OBSOLETE #include <sys/user.h> | |
33 | // OBSOLETE | |
34 | // OBSOLETE #ifndef USER /* added to support BCS ptrace_user */ | |
35 | // OBSOLETE #define USER ptrace_user | |
36 | // OBSOLETE #endif | |
37 | // OBSOLETE #include <sys/ioctl.h> | |
38 | // OBSOLETE #include <fcntl.h> | |
39 | // OBSOLETE #include <sys/file.h> | |
40 | // OBSOLETE #include "gdb_stat.h" | |
41 | // OBSOLETE | |
42 | // OBSOLETE #include "symtab.h" | |
43 | // OBSOLETE #include "setjmp.h" | |
44 | // OBSOLETE #include "value.h" | |
45 | // OBSOLETE | |
46 | // OBSOLETE #ifdef DELTA88 | |
47 | // OBSOLETE #include <sys/ptrace.h> | |
48 | // OBSOLETE | |
49 | // OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */ | |
50 | // OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.sig_sxip - (char *)&u) | |
51 | // OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.sig_snip - (char *)&u) | |
52 | // OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.sig_sfip - (char *)&u) | |
53 | // OBSOLETE #else | |
54 | // OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */ | |
55 | // OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u) | |
56 | // OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u) | |
57 | // OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u) | |
58 | // OBSOLETE #endif | |
59 | // OBSOLETE | |
60 | // OBSOLETE extern int have_symbol_file_p (); | |
61 | // OBSOLETE | |
62 | // OBSOLETE extern jmp_buf stack_jmp; | |
63 | // OBSOLETE | |
64 | // OBSOLETE extern int errno; | |
65 | // OBSOLETE | |
66 | // OBSOLETE void | |
67 | // OBSOLETE fetch_inferior_registers (int regno) | |
68 | // OBSOLETE { | |
69 | // OBSOLETE register unsigned int regaddr; | |
70 | // OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; | |
71 | // OBSOLETE register int i; | |
72 | // OBSOLETE | |
73 | // OBSOLETE struct USER u; | |
74 | // OBSOLETE unsigned int offset; | |
75 | // OBSOLETE | |
76 | // OBSOLETE offset = (char *) &u.pt_r0 - (char *) &u; | |
77 | // OBSOLETE regaddr = offset; /* byte offset to r0; */ | |
78 | // OBSOLETE | |
79 | // OBSOLETE /* offset = ptrace (3, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */ | |
80 | // OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) | |
81 | // OBSOLETE { | |
82 | // OBSOLETE /*regaddr = register_addr (regno, offset); */ | |
83 | // OBSOLETE /* 88k enhancement */ | |
84 | // OBSOLETE | |
85 | // OBSOLETE for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) | |
86 | // OBSOLETE { | |
87 | // OBSOLETE *(int *) &buf[i] = ptrace (3, PIDGET (inferior_ptid), | |
88 | // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, 0); | |
89 | // OBSOLETE regaddr += sizeof (int); | |
90 | // OBSOLETE } | |
91 | // OBSOLETE supply_register (regno, buf); | |
92 | // OBSOLETE } | |
93 | // OBSOLETE /* now load up registers 36 - 38; special pc registers */ | |
94 | // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), | |
95 | // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, 0); | |
96 | // OBSOLETE supply_register (SXIP_REGNUM, buf); | |
97 | // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), | |
98 | // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, 0); | |
99 | // OBSOLETE supply_register (SNIP_REGNUM, buf); | |
100 | // OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), | |
101 | // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, 0); | |
102 | // OBSOLETE supply_register (SFIP_REGNUM, buf); | |
103 | // OBSOLETE } | |
104 | // OBSOLETE | |
105 | // OBSOLETE /* Store our register values back into the inferior. | |
106 | // OBSOLETE If REGNO is -1, do this for all registers. | |
107 | // OBSOLETE Otherwise, REGNO specifies which register (so we can save time). */ | |
108 | // OBSOLETE | |
109 | // OBSOLETE void | |
110 | // OBSOLETE store_inferior_registers (int regno) | |
111 | // OBSOLETE { | |
112 | // OBSOLETE register unsigned int regaddr; | |
113 | // OBSOLETE char buf[80]; | |
114 | // OBSOLETE | |
115 | // OBSOLETE struct USER u; | |
116 | // OBSOLETE | |
117 | // OBSOLETE unsigned int offset = (char *) &u.pt_r0 - (char *) &u; | |
118 | // OBSOLETE | |
119 | // OBSOLETE regaddr = offset; | |
120 | // OBSOLETE | |
121 | // OBSOLETE /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either | |
122 | // OBSOLETE svr3 doesn't run on an 88110, or the kernel isolates the different (not | |
123 | // OBSOLETE completely sure this is true, but seems to be. */ | |
124 | // OBSOLETE if (regno >= 0) | |
125 | // OBSOLETE { | |
126 | // OBSOLETE /* regaddr = register_addr (regno, offset); */ | |
127 | // OBSOLETE if (regno < PC_REGNUM) | |
128 | // OBSOLETE { | |
129 | // OBSOLETE regaddr = offset + regno * sizeof (int); | |
130 | // OBSOLETE errno = 0; | |
131 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
132 | // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); | |
133 | // OBSOLETE if (errno != 0) | |
134 | // OBSOLETE { | |
135 | // OBSOLETE sprintf (buf, "writing register number %d", regno); | |
136 | // OBSOLETE perror_with_name (buf); | |
137 | // OBSOLETE } | |
138 | // OBSOLETE } | |
139 | // OBSOLETE else if (regno == SXIP_REGNUM) | |
140 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
141 | // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno)); | |
142 | // OBSOLETE else if (regno == SNIP_REGNUM) | |
143 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
144 | // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno)); | |
145 | // OBSOLETE else if (regno == SFIP_REGNUM) | |
146 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
147 | // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (regno)); | |
148 | // OBSOLETE else | |
149 | // OBSOLETE printf_unfiltered ("Bad register number for store_inferior routine\n"); | |
150 | // OBSOLETE } | |
151 | // OBSOLETE else | |
152 | // OBSOLETE { | |
153 | // OBSOLETE for (regno = 0; regno < PC_REGNUM; regno++) | |
154 | // OBSOLETE { | |
155 | // OBSOLETE /* regaddr = register_addr (regno, offset); */ | |
156 | // OBSOLETE errno = 0; | |
157 | // OBSOLETE regaddr = offset + regno * sizeof (int); | |
158 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
159 | // OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); | |
160 | // OBSOLETE if (errno != 0) | |
161 | // OBSOLETE { | |
162 | // OBSOLETE sprintf (buf, "writing register number %d", regno); | |
163 | // OBSOLETE perror_with_name (buf); | |
164 | // OBSOLETE } | |
165 | // OBSOLETE } | |
166 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
167 | // OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM)); | |
168 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
169 | // OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM)); | |
170 | // OBSOLETE ptrace (6, PIDGET (inferior_ptid), | |
171 | // OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM)); | |
172 | // OBSOLETE } | |
173 | // OBSOLETE } | |
174 | // OBSOLETE | |
175 | // OBSOLETE | |
176 | // OBSOLETE /* blockend is the address of the end of the user structure */ | |
177 | // OBSOLETE m88k_register_u_addr (int blockend, int regnum) | |
178 | // OBSOLETE { | |
179 | // OBSOLETE struct USER u; | |
180 | // OBSOLETE int ustart = blockend - sizeof (struct USER); | |
181 | // OBSOLETE switch (regnum) | |
182 | // OBSOLETE { | |
183 | // OBSOLETE case 0: | |
184 | // OBSOLETE case 1: | |
185 | // OBSOLETE case 2: | |
186 | // OBSOLETE case 3: | |
187 | // OBSOLETE case 4: | |
188 | // OBSOLETE case 5: | |
189 | // OBSOLETE case 6: | |
190 | // OBSOLETE case 7: | |
191 | // OBSOLETE case 8: | |
192 | // OBSOLETE case 9: | |
193 | // OBSOLETE case 10: | |
194 | // OBSOLETE case 11: | |
195 | // OBSOLETE case 12: | |
196 | // OBSOLETE case 13: | |
197 | // OBSOLETE case 14: | |
198 | // OBSOLETE case 15: | |
199 | // OBSOLETE case 16: | |
200 | // OBSOLETE case 17: | |
201 | // OBSOLETE case 18: | |
202 | // OBSOLETE case 19: | |
203 | // OBSOLETE case 20: | |
204 | // OBSOLETE case 21: | |
205 | // OBSOLETE case 22: | |
206 | // OBSOLETE case 23: | |
207 | // OBSOLETE case 24: | |
208 | // OBSOLETE case 25: | |
209 | // OBSOLETE case 26: | |
210 | // OBSOLETE case 27: | |
211 | // OBSOLETE case 28: | |
212 | // OBSOLETE case 29: | |
213 | // OBSOLETE case 30: | |
214 | // OBSOLETE case 31: | |
215 | // OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u) + REGISTER_SIZE * regnum); | |
216 | // OBSOLETE case PSR_REGNUM: | |
217 | // OBSOLETE return (ustart + ((int) &u.pt_psr - (int) &u)); | |
218 | // OBSOLETE case FPSR_REGNUM: | |
219 | // OBSOLETE return (ustart + ((int) &u.pt_fpsr - (int) &u)); | |
220 | // OBSOLETE case FPCR_REGNUM: | |
221 | // OBSOLETE return (ustart + ((int) &u.pt_fpcr - (int) &u)); | |
222 | // OBSOLETE case SXIP_REGNUM: | |
223 | // OBSOLETE return (ustart + SXIP_OFFSET); | |
224 | // OBSOLETE case SNIP_REGNUM: | |
225 | // OBSOLETE return (ustart + SNIP_OFFSET); | |
226 | // OBSOLETE case SFIP_REGNUM: | |
227 | // OBSOLETE return (ustart + SFIP_OFFSET); | |
228 | // OBSOLETE default: | |
229 | // OBSOLETE if (regnum < NUM_REGS) | |
230 | // OBSOLETE /* The register is one of those which is not defined... | |
231 | // OBSOLETE give it zero */ | |
232 | // OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u)); | |
233 | // OBSOLETE else | |
234 | // OBSOLETE return (blockend + REGISTER_SIZE * regnum); | |
235 | // OBSOLETE } | |
236 | // OBSOLETE } | |
237 | // OBSOLETE | |
238 | // OBSOLETE #ifdef USE_PROC_FS | |
239 | // OBSOLETE | |
240 | // OBSOLETE #include <sys/procfs.h> | |
241 | // OBSOLETE | |
242 | // OBSOLETE /* Prototypes for supply_gregset etc. */ | |
243 | // OBSOLETE #include "gregset.h" | |
244 | // OBSOLETE | |
245 | // OBSOLETE /* Given a pointer to a general register set in /proc format (gregset_t *), | |
246 | // OBSOLETE unpack the register contents and supply them as gdb's idea of the current | |
247 | // OBSOLETE register values. */ | |
248 | // OBSOLETE | |
249 | // OBSOLETE void | |
250 | // OBSOLETE supply_gregset (gregset_t *gregsetp) | |
251 | // OBSOLETE { | |
252 | // OBSOLETE register int regi; | |
253 | // OBSOLETE register greg_t *regp = (greg_t *) gregsetp; | |
254 | // OBSOLETE | |
255 | // OBSOLETE for (regi = 0; regi <= SP_REGNUM; regi++) | |
256 | // OBSOLETE supply_register (regi, (char *) (regp + regi)); | |
257 | // OBSOLETE | |
258 | // OBSOLETE supply_register (SXIP_REGNUM, (char *) (regp + R_XIP)); | |
259 | // OBSOLETE supply_register (SNIP_REGNUM, (char *) (regp + R_NIP)); | |
260 | // OBSOLETE supply_register (SFIP_REGNUM, (char *) (regp + R_FIP)); | |
261 | // OBSOLETE supply_register (PSR_REGNUM, (char *) (regp + R_PSR)); | |
262 | // OBSOLETE supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR)); | |
263 | // OBSOLETE supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR)); | |
264 | // OBSOLETE } | |
265 | // OBSOLETE | |
266 | // OBSOLETE void | |
267 | // OBSOLETE fill_gregset (gregset_t *gregsetp, int regno) | |
268 | // OBSOLETE { | |
269 | // OBSOLETE int regi; | |
270 | // OBSOLETE register greg_t *regp = (greg_t *) gregsetp; | |
271 | // OBSOLETE | |
272 | // OBSOLETE for (regi = 0; regi <= R_R31; regi++) | |
273 | // OBSOLETE if ((regno == -1) || (regno == regi)) | |
274 | // OBSOLETE *(regp + regi) = *(int *) ®isters[REGISTER_BYTE (regi)]; | |
275 | // OBSOLETE | |
276 | // OBSOLETE if ((regno == -1) || (regno == SXIP_REGNUM)) | |
277 | // OBSOLETE *(regp + R_XIP) = *(int *) ®isters[REGISTER_BYTE (SXIP_REGNUM)]; | |
278 | // OBSOLETE if ((regno == -1) || (regno == SNIP_REGNUM)) | |
279 | // OBSOLETE *(regp + R_NIP) = *(int *) ®isters[REGISTER_BYTE (SNIP_REGNUM)]; | |
280 | // OBSOLETE if ((regno == -1) || (regno == SFIP_REGNUM)) | |
281 | // OBSOLETE *(regp + R_FIP) = *(int *) ®isters[REGISTER_BYTE (SFIP_REGNUM)]; | |
282 | // OBSOLETE if ((regno == -1) || (regno == PSR_REGNUM)) | |
283 | // OBSOLETE *(regp + R_PSR) = *(int *) ®isters[REGISTER_BYTE (PSR_REGNUM)]; | |
284 | // OBSOLETE if ((regno == -1) || (regno == FPSR_REGNUM)) | |
285 | // OBSOLETE *(regp + R_FPSR) = *(int *) ®isters[REGISTER_BYTE (FPSR_REGNUM)]; | |
286 | // OBSOLETE if ((regno == -1) || (regno == FPCR_REGNUM)) | |
287 | // OBSOLETE *(regp + R_FPCR) = *(int *) ®isters[REGISTER_BYTE (FPCR_REGNUM)]; | |
288 | // OBSOLETE } | |
289 | // OBSOLETE | |
290 | // OBSOLETE #endif /* USE_PROC_FS */ |