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* configure: Move stray line back to where it belongs.
[deliverable/binutils-gdb.git] / gdb / m88k-nat.c
CommitLineData
7fb623f7
AC		 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 *) &registers[REGISTER_BYTE (regi)];
275// OBSOLETE
276// OBSOLETE if ((regno == -1) || (regno == SXIP_REGNUM))
277// OBSOLETE *(regp + R_XIP) = *(int *) &registers[REGISTER_BYTE (SXIP_REGNUM)];
278// OBSOLETE if ((regno == -1) || (regno == SNIP_REGNUM))
279// OBSOLETE *(regp + R_NIP) = *(int *) &registers[REGISTER_BYTE (SNIP_REGNUM)];
280// OBSOLETE if ((regno == -1) || (regno == SFIP_REGNUM))
281// OBSOLETE *(regp + R_FIP) = *(int *) &registers[REGISTER_BYTE (SFIP_REGNUM)];
282// OBSOLETE if ((regno == -1) || (regno == PSR_REGNUM))
283// OBSOLETE *(regp + R_PSR) = *(int *) &registers[REGISTER_BYTE (PSR_REGNUM)];
284// OBSOLETE if ((regno == -1) || (regno == FPSR_REGNUM))
285// OBSOLETE *(regp + R_FPSR) = *(int *) &registers[REGISTER_BYTE (FPSR_REGNUM)];
286// OBSOLETE if ((regno == -1) || (regno == FPCR_REGNUM))
287// OBSOLETE *(regp + R_FPCR) = *(int *) &registers[REGISTER_BYTE (FPCR_REGNUM)];
288// OBSOLETE }
289// OBSOLETE
290// OBSOLETE #endif /* USE_PROC_FS */
GDB Binutils - Deliverables
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