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[deliverable/binutils-gdb.git] / gdb / ultra3-nat.c
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4a1968f4
AC		 1/* OBSOLETE /* Native-dependent code for GDB, for NYU Ultra3 running Sym1 OS. */
2/* OBSOLETE Copyright 1988, 1989, 1991, 1992, 1995, 1996, 1999, 2000, 2001 */
3/* OBSOLETE Free Software Foundation, Inc. */
4/* OBSOLETE Contributed by David Wood (wood@nyu.edu) at New York University. */
5/* OBSOLETE */
6/* OBSOLETE This file is part of GDB. */
7/* OBSOLETE */
8/* OBSOLETE This program is free software; you can redistribute it and/or modify */
9/* OBSOLETE it under the terms of the GNU General Public License as published by */
10/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
11/* OBSOLETE (at your option) any later version. */
12/* OBSOLETE */
13/* OBSOLETE This program is distributed in the hope that it will be useful, */
14/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
15/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
16/* OBSOLETE GNU General Public License for more details. */
17/* OBSOLETE */
18/* OBSOLETE You should have received a copy of the GNU General Public License */
19/* OBSOLETE along with this program; if not, write to the Free Software */
20/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
21/* OBSOLETE Boston, MA 02111-1307, USA. */ */
22/* OBSOLETE */
23/* OBSOLETE #define DEBUG */
24/* OBSOLETE #include "defs.h" */
25/* OBSOLETE #include "frame.h" */
26/* OBSOLETE #include "inferior.h" */
27/* OBSOLETE #include "symtab.h" */
28/* OBSOLETE #include "value.h" */
29/* OBSOLETE #include "regcache.h" */
30/* OBSOLETE */
31/* OBSOLETE #include <sys/types.h> */
32/* OBSOLETE #include <sys/param.h> */
33/* OBSOLETE #include <signal.h> */
34/* OBSOLETE #include <sys/ioctl.h> */
35/* OBSOLETE #include <fcntl.h> */
36/* OBSOLETE */
37/* OBSOLETE #include "gdbcore.h" */
38/* OBSOLETE */
39/* OBSOLETE #include <sys/file.h> */
40/* OBSOLETE #include "gdb_stat.h" */
41/* OBSOLETE */
42/* OBSOLETE static void fetch_core_registers (char *, unsigned, int, CORE_ADDR); */
43/* OBSOLETE */
44/* OBSOLETE /* Assumes support for AMD's Binary Compatibility Standard */
45/* OBSOLETE for ptrace(). If you define ULTRA3, the ultra3 extensions to */
46/* OBSOLETE ptrace() are used allowing the reading of more than one register */
47/* OBSOLETE at a time. */
48/* OBSOLETE */
49/* OBSOLETE This file assumes KERNEL_DEBUGGING is turned off. This means */
50/* OBSOLETE that if the user/gdb tries to read gr64-gr95 or any of the */
51/* OBSOLETE protected special registers we silently return -1 (see the */
52/* OBSOLETE CANNOT_STORE/FETCH_REGISTER macros). */ */
53/* OBSOLETE #define ULTRA3 */
54/* OBSOLETE */
55/* OBSOLETE #if !defined (offsetof) */
56/* OBSOLETE #define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) */
57/* OBSOLETE #endif */
58/* OBSOLETE */
59/* OBSOLETE extern int errno; */
60/* OBSOLETE struct ptrace_user pt_struct; */
61/* OBSOLETE */
62/* OBSOLETE /* Get all available registers from the inferior. Registers that are */
63/* OBSOLETE * defined in REGISTER_NAMES, but not available to the user/gdb are */
64/* OBSOLETE * supplied as -1. This may include gr64-gr95 and the protected special */
65/* OBSOLETE * purpose registers. */
66/* OBSOLETE */ */
67/* OBSOLETE */
68/* OBSOLETE void */
69/* OBSOLETE fetch_inferior_registers (int regno) */
70/* OBSOLETE { */
71/* OBSOLETE register int i, j, ret_val = 0; */
72/* OBSOLETE char buf[128]; */
73/* OBSOLETE */
74/* OBSOLETE if (regno != -1) */
75/* OBSOLETE { */
76/* OBSOLETE fetch_register (regno); */
77/* OBSOLETE return; */
78/* OBSOLETE } */
79/* OBSOLETE */
80/* OBSOLETE /* Global Registers */ */
81/* OBSOLETE #ifdef ULTRA3 */
82/* OBSOLETE errno = 0; */
39f77062 83/* OBSOLETE ptrace (PT_READ_STRUCT, PIDGET (inferior_ptid), */
4a1968f4
AC		 84/* OBSOLETE (PTRACE_ARG3_TYPE) register_addr (GR96_REGNUM, 0), */
85/* OBSOLETE (int) &pt_struct.pt_gr[0], 32 * 4); */
86/* OBSOLETE if (errno != 0) */
87/* OBSOLETE { */
88/* OBSOLETE perror_with_name ("reading global registers"); */
89/* OBSOLETE ret_val = -1; */
90/* OBSOLETE } */
91/* OBSOLETE else */
92/* OBSOLETE for (regno = GR96_REGNUM, j = 0; j < 32; regno++, j++) */
93/* OBSOLETE { */
94/* OBSOLETE supply_register (regno, &pt_struct.pt_gr[j]); */
95/* OBSOLETE } */
96/* OBSOLETE #else */
97/* OBSOLETE for (regno = GR96_REGNUM; !ret_val && regno < GR96_REGNUM + 32; regno++) */
98/* OBSOLETE fetch_register (regno); */
99/* OBSOLETE #endif */
100/* OBSOLETE */
101/* OBSOLETE /* Local Registers */ */
102/* OBSOLETE #ifdef ULTRA3 */
103/* OBSOLETE errno = 0; */
39f77062 104/* OBSOLETE ptrace (PT_READ_STRUCT, PIDGET (inferior_ptid), */
4a1968f4
AC		 105/* OBSOLETE (PTRACE_ARG3_TYPE) register_addr (LR0_REGNUM, 0), */
106/* OBSOLETE (int) &pt_struct.pt_lr[0], 128 * 4); */
107/* OBSOLETE if (errno != 0) */
108/* OBSOLETE { */
109/* OBSOLETE perror_with_name ("reading local registers"); */
110/* OBSOLETE ret_val = -1; */
111/* OBSOLETE } */
112/* OBSOLETE else */
113/* OBSOLETE for (regno = LR0_REGNUM, j = 0; j < 128; regno++, j++) */
114/* OBSOLETE { */
115/* OBSOLETE supply_register (regno, &pt_struct.pt_lr[j]); */
116/* OBSOLETE } */
117/* OBSOLETE #else */
118/* OBSOLETE for (regno = LR0_REGNUM; !ret_val && regno < LR0_REGNUM + 128; regno++) */
119/* OBSOLETE fetch_register (regno); */
120/* OBSOLETE #endif */
121/* OBSOLETE */
122/* OBSOLETE /* Special Registers */ */
123/* OBSOLETE fetch_register (GR1_REGNUM); */
124/* OBSOLETE fetch_register (CPS_REGNUM); */
125/* OBSOLETE fetch_register (PC_REGNUM); */
126/* OBSOLETE fetch_register (NPC_REGNUM); */
127/* OBSOLETE fetch_register (PC2_REGNUM); */
128/* OBSOLETE fetch_register (IPC_REGNUM); */
129/* OBSOLETE fetch_register (IPA_REGNUM); */
130/* OBSOLETE fetch_register (IPB_REGNUM); */
131/* OBSOLETE fetch_register (Q_REGNUM); */
132/* OBSOLETE fetch_register (BP_REGNUM); */
133/* OBSOLETE fetch_register (FC_REGNUM); */
134/* OBSOLETE */
135/* OBSOLETE /* Fake any registers that are in REGISTER_NAMES, but not available to gdb */ */
136/* OBSOLETE registers_fetched (); */
137/* OBSOLETE } */
138/* OBSOLETE */
139/* OBSOLETE /* Store our register values back into the inferior. */
140/* OBSOLETE * If REGNO is -1, do this for all registers. */
141/* OBSOLETE * Otherwise, REGNO specifies which register (so we can save time). */
142/* OBSOLETE * NOTE: Assumes AMD's binary compatibility standard. */
143/* OBSOLETE */ */
144/* OBSOLETE */
145/* OBSOLETE void */
146/* OBSOLETE store_inferior_registers (int regno) */
147/* OBSOLETE { */
148/* OBSOLETE register unsigned int regaddr; */
149/* OBSOLETE char buf[80]; */
150/* OBSOLETE */
151/* OBSOLETE if (regno >= 0) */
152/* OBSOLETE { */
153/* OBSOLETE if (CANNOT_STORE_REGISTER (regno)) */
154/* OBSOLETE return; */
155/* OBSOLETE regaddr = register_addr (regno, 0); */
156/* OBSOLETE errno = 0; */
39f77062 157/* OBSOLETE ptrace (PT_WRITE_U, PIDGET (inferior_ptid), */
4a1968f4
AC		 158/* OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); */
159/* OBSOLETE if (errno != 0) */
160/* OBSOLETE { */
161/* OBSOLETE sprintf (buf, "writing register %s (#%d)", REGISTER_NAME (regno), regno); */
162/* OBSOLETE perror_with_name (buf); */
163/* OBSOLETE } */
164/* OBSOLETE } */
165/* OBSOLETE else */
166/* OBSOLETE { */
167/* OBSOLETE #ifdef ULTRA3 */
168/* OBSOLETE pt_struct.pt_gr1 = read_register (GR1_REGNUM); */
169/* OBSOLETE for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) */
170/* OBSOLETE pt_struct.pt_gr[regno] = read_register (regno); */
171/* OBSOLETE for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) */
172/* OBSOLETE pt_struct.pt_gr[regno] = read_register (regno); */
173/* OBSOLETE errno = 0; */
39f77062 174/* OBSOLETE ptrace (PT_WRITE_STRUCT, PIDGET (inferior_ptid), */
4a1968f4
AC		 175/* OBSOLETE (PTRACE_ARG3_TYPE) register_addr (GR1_REGNUM, 0), */
176/* OBSOLETE (int) &pt_struct.pt_gr1, (1 * 32 * 128) * 4); */
177/* OBSOLETE if (errno != 0) */
178/* OBSOLETE { */
179/* OBSOLETE sprintf (buf, "writing all local/global registers"); */
180/* OBSOLETE perror_with_name (buf); */
181/* OBSOLETE } */
182/* OBSOLETE pt_struct.pt_psr = read_register (CPS_REGNUM); */
183/* OBSOLETE pt_struct.pt_pc0 = read_register (NPC_REGNUM); */
184/* OBSOLETE pt_struct.pt_pc1 = read_register (PC_REGNUM); */
185/* OBSOLETE pt_struct.pt_pc2 = read_register (PC2_REGNUM); */
186/* OBSOLETE pt_struct.pt_ipc = read_register (IPC_REGNUM); */
187/* OBSOLETE pt_struct.pt_ipa = read_register (IPA_REGNUM); */
188/* OBSOLETE pt_struct.pt_ipb = read_register (IPB_REGNUM); */
189/* OBSOLETE pt_struct.pt_q = read_register (Q_REGNUM); */
190/* OBSOLETE pt_struct.pt_bp = read_register (BP_REGNUM); */
191/* OBSOLETE pt_struct.pt_fc = read_register (FC_REGNUM); */
192/* OBSOLETE errno = 0; */
39f77062 193/* OBSOLETE ptrace (PT_WRITE_STRUCT, PIDGET (inferior_ptid), */
4a1968f4
AC		 194/* OBSOLETE (PTRACE_ARG3_TYPE) register_addr (CPS_REGNUM, 0), */
195/* OBSOLETE (int) &pt_struct.pt_psr, (10) * 4); */
196/* OBSOLETE if (errno != 0) */
197/* OBSOLETE { */
198/* OBSOLETE sprintf (buf, "writing all special registers"); */
199/* OBSOLETE perror_with_name (buf); */
200/* OBSOLETE return; */
201/* OBSOLETE } */
202/* OBSOLETE #else */
203/* OBSOLETE store_inferior_registers (GR1_REGNUM); */
204/* OBSOLETE for (regno = GR96_REGNUM; regno < GR96_REGNUM + 32; regno++) */
205/* OBSOLETE store_inferior_registers (regno); */
206/* OBSOLETE for (regno = LR0_REGNUM; regno < LR0_REGNUM + 128; regno++) */
207/* OBSOLETE store_inferior_registers (regno); */
208/* OBSOLETE store_inferior_registers (CPS_REGNUM); */
209/* OBSOLETE store_inferior_registers (PC_REGNUM); */
210/* OBSOLETE store_inferior_registers (NPC_REGNUM); */
211/* OBSOLETE store_inferior_registers (PC2_REGNUM); */
212/* OBSOLETE store_inferior_registers (IPC_REGNUM); */
213/* OBSOLETE store_inferior_registers (IPA_REGNUM); */
214/* OBSOLETE store_inferior_registers (IPB_REGNUM); */
215/* OBSOLETE store_inferior_registers (Q_REGNUM); */
216/* OBSOLETE store_inferior_registers (BP_REGNUM); */
217/* OBSOLETE store_inferior_registers (FC_REGNUM); */
218/* OBSOLETE #endif /* ULTRA3 */ */
219/* OBSOLETE } */
220/* OBSOLETE } */
221/* OBSOLETE */
222/* OBSOLETE /* */
223/* OBSOLETE * Fetch an individual register (and supply it). */
224/* OBSOLETE * return 0 on success, -1 on failure. */
225/* OBSOLETE * NOTE: Assumes AMD's Binary Compatibility Standard for ptrace(). */
226/* OBSOLETE */ */
227/* OBSOLETE static void */
228/* OBSOLETE fetch_register (int regno) */
229/* OBSOLETE { */
230/* OBSOLETE char buf[128]; */
231/* OBSOLETE int val; */
232/* OBSOLETE */
233/* OBSOLETE if (CANNOT_FETCH_REGISTER (regno)) */
234/* OBSOLETE { */
235/* OBSOLETE val = -1; */
236/* OBSOLETE supply_register (regno, &val); */
237/* OBSOLETE } */
238/* OBSOLETE else */
239/* OBSOLETE { */
240/* OBSOLETE errno = 0; */
39f77062 241/* OBSOLETE val = ptrace (PT_READ_U, PIDGET (inferior_ptid), */
4a1968f4
AC		 242/* OBSOLETE (PTRACE_ARG3_TYPE) register_addr (regno, 0), 0); */
243/* OBSOLETE if (errno != 0) */
244/* OBSOLETE { */
245/* OBSOLETE sprintf (buf, "reading register %s (#%d)", REGISTER_NAME (regno), regno); */
246/* OBSOLETE perror_with_name (buf); */
247/* OBSOLETE } */
248/* OBSOLETE else */
249/* OBSOLETE { */
250/* OBSOLETE supply_register (regno, &val); */
251/* OBSOLETE } */
252/* OBSOLETE } */
253/* OBSOLETE } */
254/* OBSOLETE */
255/* OBSOLETE */
256/* OBSOLETE /* */
257/* OBSOLETE * Read AMD's Binary Compatibilty Standard conforming core file. */
258/* OBSOLETE * struct ptrace_user is the first thing in the core file */
259/* OBSOLETE * */
260/* OBSOLETE * CORE_REG_SECT, CORE_REG_SIZE, WHICH, and REG_ADDR are all ignored. */
261/* OBSOLETE */ */
262/* OBSOLETE */
263/* OBSOLETE static void */
264/* OBSOLETE fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, */
265/* OBSOLETE int which, CORE_ADDR reg_addr) */
266/* OBSOLETE { */
267/* OBSOLETE register int regno; */
268/* OBSOLETE int val; */
269/* OBSOLETE char buf[4]; */
270/* OBSOLETE */
271/* OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) */
272/* OBSOLETE { */
273/* OBSOLETE if (!CANNOT_FETCH_REGISTER (regno)) */
274/* OBSOLETE { */
275/* OBSOLETE val = bfd_seek (core_bfd, (file_ptr) register_addr (regno, 0), SEEK_SET); */
276/* OBSOLETE if (val < 0 || (val = bfd_read (buf, sizeof buf, 1, core_bfd)) < 0) */
277/* OBSOLETE { */
278/* OBSOLETE char *buffer = (char *) alloca (strlen (REGISTER_NAME (regno)) + 35); */
279/* OBSOLETE strcpy (buffer, "Reading core register "); */
280/* OBSOLETE strcat (buffer, REGISTER_NAME (regno)); */
281/* OBSOLETE perror_with_name (buffer); */
282/* OBSOLETE } */
283/* OBSOLETE supply_register (regno, buf); */
284/* OBSOLETE } */
285/* OBSOLETE } */
286/* OBSOLETE */
287/* OBSOLETE /* Fake any registers that are in REGISTER_NAMES, but not available to gdb */ */
288/* OBSOLETE registers_fetched (); */
289/* OBSOLETE } */
290/* OBSOLETE */
291/* OBSOLETE */
292/* OBSOLETE /* */
293/* OBSOLETE * Takes a register number as defined in tm.h via REGISTER_NAMES, and maps */
294/* OBSOLETE * it to an offset in a struct ptrace_user defined by AMD's BCS. */
295/* OBSOLETE * That is, it defines the mapping between gdb register numbers and items in */
296/* OBSOLETE * a struct ptrace_user. */
297/* OBSOLETE * A register protection scheme is set up here. If a register not */
298/* OBSOLETE * available to the user is specified in 'regno', then an address that */
299/* OBSOLETE * will cause ptrace() to fail is returned. */
300/* OBSOLETE */ */
301/* OBSOLETE CORE_ADDR */
302/* OBSOLETE register_addr (int regno, CORE_ADDR blockend) */
303/* OBSOLETE { */
304/* OBSOLETE if ((regno >= LR0_REGNUM) && (regno < LR0_REGNUM + 128)) */
305/* OBSOLETE { */
306/* OBSOLETE return (offsetof (struct ptrace_user, pt_lr[regno - LR0_REGNUM])); */
307/* OBSOLETE } */
308/* OBSOLETE else if ((regno >= GR96_REGNUM) && (regno < GR96_REGNUM + 32)) */
309/* OBSOLETE { */
310/* OBSOLETE return (offsetof (struct ptrace_user, pt_gr[regno - GR96_REGNUM])); */
311/* OBSOLETE } */
312/* OBSOLETE else */
313/* OBSOLETE { */
314/* OBSOLETE switch (regno) */
315/* OBSOLETE { */
316/* OBSOLETE case GR1_REGNUM: */
317/* OBSOLETE return (offsetof (struct ptrace_user, pt_gr1)); */
318/* OBSOLETE case CPS_REGNUM: */
319/* OBSOLETE return (offsetof (struct ptrace_user, pt_psr)); */
320/* OBSOLETE case NPC_REGNUM: */
321/* OBSOLETE return (offsetof (struct ptrace_user, pt_pc0)); */
322/* OBSOLETE case PC_REGNUM: */
323/* OBSOLETE return (offsetof (struct ptrace_user, pt_pc1)); */
324/* OBSOLETE case PC2_REGNUM: */
325/* OBSOLETE return (offsetof (struct ptrace_user, pt_pc2)); */
326/* OBSOLETE case IPC_REGNUM: */
327/* OBSOLETE return (offsetof (struct ptrace_user, pt_ipc)); */
328/* OBSOLETE case IPA_REGNUM: */
329/* OBSOLETE return (offsetof (struct ptrace_user, pt_ipa)); */
330/* OBSOLETE case IPB_REGNUM: */
331/* OBSOLETE return (offsetof (struct ptrace_user, pt_ipb)); */
332/* OBSOLETE case Q_REGNUM: */
333/* OBSOLETE return (offsetof (struct ptrace_user, pt_q)); */
334/* OBSOLETE case BP_REGNUM: */
335/* OBSOLETE return (offsetof (struct ptrace_user, pt_bp)); */
336/* OBSOLETE case FC_REGNUM: */
337/* OBSOLETE return (offsetof (struct ptrace_user, pt_fc)); */
338/* OBSOLETE default: */
339/* OBSOLETE fprintf_filtered (gdb_stderr, "register_addr():Bad register %s (%d)\n", */
340/* OBSOLETE REGISTER_NAME (regno), regno); */
341/* OBSOLETE return (0xffffffff); /* Should make ptrace() fail */ */
342/* OBSOLETE } */
343/* OBSOLETE } */
344/* OBSOLETE } */
345/* OBSOLETE \f */
346/* OBSOLETE */
347/* OBSOLETE /* Register that we are able to handle ultra3 core file formats. */
348/* OBSOLETE FIXME: is this really bfd_target_unknown_flavour? */ */
349/* OBSOLETE */
350/* OBSOLETE static struct core_fns ultra3_core_fns = */
351/* OBSOLETE { */
352/* OBSOLETE bfd_target_unknown_flavour, /* core_flavour */ */
353/* OBSOLETE default_check_format, /* check_format */ */
354/* OBSOLETE default_core_sniffer, /* core_sniffer */ */
355/* OBSOLETE fetch_core_registers, /* core_read_registers */ */
356/* OBSOLETE NULL /* next */ */
357/* OBSOLETE }; */
358/* OBSOLETE */
359/* OBSOLETE void */
360/* OBSOLETE _initialize_core_ultra3 (void) */
361/* OBSOLETE { */
362/* OBSOLETE add_core_fns (&ultra3_core_fns); */
363/* OBSOLETE } */
GDB Binutils - Deliverables
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