oops - omitted from previous delta
[deliverable/binutils-gdb.git] / gdb / h8500-tdep.c
CommitLineData
fd2299bd
AC
1// OBSOLETE /* Target-dependent code for Hitachi H8/500, for GDB.
2// OBSOLETE
3// OBSOLETE Copyright 1993, 1994, 1995, 1998, 2000, 2001, 2002 Free Software
4// OBSOLETE Foundation, Inc.
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 /*
24// OBSOLETE Contributed by Steve Chamberlain
25// OBSOLETE sac@cygnus.com
26// OBSOLETE */
27// OBSOLETE
28// OBSOLETE #include "defs.h"
29// OBSOLETE #include "frame.h"
30// OBSOLETE #include "symtab.h"
31// OBSOLETE #include "gdbtypes.h"
32// OBSOLETE #include "gdbcmd.h"
33// OBSOLETE #include "value.h"
34// OBSOLETE #include "dis-asm.h"
35// OBSOLETE #include "gdbcore.h"
36// OBSOLETE #include "regcache.h"
37// OBSOLETE
38// OBSOLETE #define UNSIGNED_SHORT(X) ((X) & 0xffff)
39// OBSOLETE
40// OBSOLETE static int code_size = 2;
41// OBSOLETE
42// OBSOLETE static int data_size = 2;
43// OBSOLETE
44// OBSOLETE /* Shape of an H8/500 frame :
45// OBSOLETE
46// OBSOLETE arg-n
47// OBSOLETE ..
48// OBSOLETE arg-2
49// OBSOLETE arg-1
50// OBSOLETE return address <2 or 4 bytes>
51// OBSOLETE old fp <2 bytes>
52// OBSOLETE auto-n
53// OBSOLETE ..
54// OBSOLETE auto-1
55// OBSOLETE saved registers
56// OBSOLETE
57// OBSOLETE */
58// OBSOLETE
59// OBSOLETE /* an easy to debug H8 stack frame looks like:
60// OBSOLETE 0x6df6 push r6
61// OBSOLETE 0x0d76 mov.w r7,r6
62// OBSOLETE 0x6dfn push reg
63// OBSOLETE 0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp
64// OBSOLETE 0x1957 sub.w r5,sp
65// OBSOLETE
66// OBSOLETE */
67// OBSOLETE
68// OBSOLETE #define IS_PUSH(x) (((x) & 0xff00)==0x6d00)
69// OBSOLETE #define IS_LINK_8(x) ((x) == 0x17)
70// OBSOLETE #define IS_LINK_16(x) ((x) == 0x1f)
71// OBSOLETE #define IS_MOVE_FP(x) ((x) == 0x0d76)
72// OBSOLETE #define IS_MOV_SP_FP(x) ((x) == 0x0d76)
73// OBSOLETE #define IS_SUB2_SP(x) ((x) == 0x1b87)
74// OBSOLETE #define IS_MOVK_R5(x) ((x) == 0x7905)
75// OBSOLETE #define IS_SUB_R5SP(x) ((x) == 0x1957)
76// OBSOLETE
77// OBSOLETE #define LINK_8 0x17
78// OBSOLETE #define LINK_16 0x1f
79// OBSOLETE
80// OBSOLETE int minimum_mode = 1;
81// OBSOLETE
82// OBSOLETE CORE_ADDR
83// OBSOLETE h8500_skip_prologue (CORE_ADDR start_pc)
84// OBSOLETE {
85// OBSOLETE short int w;
86// OBSOLETE
87// OBSOLETE w = read_memory_integer (start_pc, 1);
88// OBSOLETE if (w == LINK_8)
89// OBSOLETE {
90// OBSOLETE start_pc += 2;
91// OBSOLETE w = read_memory_integer (start_pc, 1);
92// OBSOLETE }
93// OBSOLETE
94// OBSOLETE if (w == LINK_16)
95// OBSOLETE {
96// OBSOLETE start_pc += 3;
97// OBSOLETE w = read_memory_integer (start_pc, 2);
98// OBSOLETE }
99// OBSOLETE
100// OBSOLETE return start_pc;
101// OBSOLETE }
102// OBSOLETE
103// OBSOLETE CORE_ADDR
104// OBSOLETE h8500_addr_bits_remove (CORE_ADDR addr)
105// OBSOLETE {
106// OBSOLETE return ((addr) & 0xffffff);
107// OBSOLETE }
108// OBSOLETE
109// OBSOLETE /* Given a GDB frame, determine the address of the calling function's
110// OBSOLETE frame. This will be used to create a new GDB frame struct, and
111// OBSOLETE then INIT_EXTRA_FRAME_INFO and DEPRECATED_INIT_FRAME_PC will be
112// OBSOLETE called for the new frame.
113// OBSOLETE
114// OBSOLETE For us, the frame address is its stack pointer value, so we look up
115// OBSOLETE the function prologue to determine the caller's sp value, and return it. */
116// OBSOLETE
117// OBSOLETE CORE_ADDR
118// OBSOLETE h8500_frame_chain (struct frame_info *thisframe)
119// OBSOLETE {
120// OBSOLETE if (!inside_entry_file (thisframe->pc))
121// OBSOLETE return (read_memory_integer (get_frame_base (thisframe), PTR_SIZE));
122// OBSOLETE else
123// OBSOLETE return 0;
124// OBSOLETE }
125// OBSOLETE
126// OBSOLETE /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
127// OBSOLETE is not the address of a valid instruction, the address of the next
128// OBSOLETE instruction beyond ADDR otherwise. *PWORD1 receives the first word
129// OBSOLETE of the instruction. */
130// OBSOLETE
131// OBSOLETE CORE_ADDR
132// OBSOLETE NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, char *pword1)
133// OBSOLETE {
134// OBSOLETE if (addr < lim + 8)
135// OBSOLETE {
136// OBSOLETE read_memory (addr, pword1, 1);
137// OBSOLETE read_memory (addr, pword1 + 1, 1);
138// OBSOLETE return 1;
139// OBSOLETE }
140// OBSOLETE return 0;
141// OBSOLETE }
142// OBSOLETE
143// OBSOLETE /* Examine the prologue of a function. `ip' points to the first
144// OBSOLETE instruction. `limit' is the limit of the prologue (e.g. the addr
145// OBSOLETE of the first linenumber, or perhaps the program counter if we're
146// OBSOLETE stepping through). `frame_sp' is the stack pointer value in use in
147// OBSOLETE this frame. `fsr' is a pointer to a frame_saved_regs structure
148// OBSOLETE into which we put info about the registers saved by this frame.
149// OBSOLETE `fi' is a struct frame_info pointer; we fill in various fields in
150// OBSOLETE it to reflect the offsets of the arg pointer and the locals
151// OBSOLETE pointer. */
152// OBSOLETE
153// OBSOLETE /* Return the saved PC from this frame. */
154// OBSOLETE
155// OBSOLETE CORE_ADDR
156// OBSOLETE frame_saved_pc (struct frame_info *frame)
157// OBSOLETE {
158// OBSOLETE return read_memory_integer (get_frame_base (frame) + 2, PTR_SIZE);
159// OBSOLETE }
160// OBSOLETE
161// OBSOLETE void
162// OBSOLETE h8500_pop_frame (void)
163// OBSOLETE {
164// OBSOLETE unsigned regnum;
165// OBSOLETE struct frame_saved_regs fsr;
166// OBSOLETE struct frame_info *frame = get_current_frame ();
167// OBSOLETE
168// OBSOLETE deprecated_get_frame_saved_regs (frame, &fsr);
169// OBSOLETE
170// OBSOLETE for (regnum = 0; regnum < 8; regnum++)
171// OBSOLETE {
172// OBSOLETE if (fsr.regs[regnum])
173// OBSOLETE write_register (regnum, read_memory_short (fsr.regs[regnum]));
174// OBSOLETE
175// OBSOLETE flush_cached_frames ();
176// OBSOLETE }
177// OBSOLETE }
178// OBSOLETE
179// OBSOLETE static void
180// OBSOLETE h8500_print_register_hook (int regno)
181// OBSOLETE {
182// OBSOLETE if (regno == CCR_REGNUM)
183// OBSOLETE {
184// OBSOLETE /* CCR register */
185// OBSOLETE
186// OBSOLETE int C, Z, N, V;
187// OBSOLETE unsigned char b[2];
188// OBSOLETE unsigned char l;
189// OBSOLETE
190// OBSOLETE frame_register_read (deprecated_selected_frame, regno, b);
191// OBSOLETE l = b[1];
192// OBSOLETE printf_unfiltered ("\t");
193// OBSOLETE printf_unfiltered ("I-%d - ", (l & 0x80) != 0);
194// OBSOLETE N = (l & 0x8) != 0;
195// OBSOLETE Z = (l & 0x4) != 0;
196// OBSOLETE V = (l & 0x2) != 0;
197// OBSOLETE C = (l & 0x1) != 0;
198// OBSOLETE printf_unfiltered ("N-%d ", N);
199// OBSOLETE printf_unfiltered ("Z-%d ", Z);
200// OBSOLETE printf_unfiltered ("V-%d ", V);
201// OBSOLETE printf_unfiltered ("C-%d ", C);
202// OBSOLETE if ((C | Z) == 0)
203// OBSOLETE printf_unfiltered ("u> ");
204// OBSOLETE if ((C | Z) == 1)
205// OBSOLETE printf_unfiltered ("u<= ");
206// OBSOLETE if ((C == 0))
207// OBSOLETE printf_unfiltered ("u>= ");
208// OBSOLETE if (C == 1)
209// OBSOLETE printf_unfiltered ("u< ");
210// OBSOLETE if (Z == 0)
211// OBSOLETE printf_unfiltered ("!= ");
212// OBSOLETE if (Z == 1)
213// OBSOLETE printf_unfiltered ("== ");
214// OBSOLETE if ((N ^ V) == 0)
215// OBSOLETE printf_unfiltered (">= ");
216// OBSOLETE if ((N ^ V) == 1)
217// OBSOLETE printf_unfiltered ("< ");
218// OBSOLETE if ((Z | (N ^ V)) == 0)
219// OBSOLETE printf_unfiltered ("> ");
220// OBSOLETE if ((Z | (N ^ V)) == 1)
221// OBSOLETE printf_unfiltered ("<= ");
222// OBSOLETE }
223// OBSOLETE }
224// OBSOLETE
225// OBSOLETE static void
226// OBSOLETE h8500_print_registers_info (struct gdbarch *gdbarch,
227// OBSOLETE struct ui_file *file,
228// OBSOLETE struct frame_info *frame,
229// OBSOLETE int regnum, int print_all)
230// OBSOLETE {
231// OBSOLETE int i;
232// OBSOLETE const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
233// OBSOLETE char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
234// OBSOLETE char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
235// OBSOLETE
236// OBSOLETE for (i = 0; i < numregs; i++)
237// OBSOLETE {
238// OBSOLETE /* Decide between printing all regs, non-float / vector regs, or
239// OBSOLETE specific reg. */
240// OBSOLETE if (regnum == -1)
241// OBSOLETE {
242// OBSOLETE if (!print_all)
243// OBSOLETE {
244// OBSOLETE if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
245// OBSOLETE continue;
246// OBSOLETE if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
247// OBSOLETE continue;
248// OBSOLETE }
249// OBSOLETE }
250// OBSOLETE else
251// OBSOLETE {
252// OBSOLETE if (i != regnum)
253// OBSOLETE continue;
254// OBSOLETE }
255// OBSOLETE
256// OBSOLETE /* If the register name is empty, it is undefined for this
257// OBSOLETE processor, so don't display anything. */
258// OBSOLETE if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
259// OBSOLETE continue;
260// OBSOLETE
261// OBSOLETE fputs_filtered (REGISTER_NAME (i), file);
262// OBSOLETE print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
263// OBSOLETE
264// OBSOLETE /* Get the data in raw format. */
265// OBSOLETE if (! frame_register_read (frame, i, raw_buffer))
266// OBSOLETE {
267// OBSOLETE fprintf_filtered (file, "*value not available*\n");
268// OBSOLETE continue;
269// OBSOLETE }
270// OBSOLETE
271// OBSOLETE /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
272// OBSOLETE The function frame_register_read() should have returned the
273// OBSOLETE pre-cooked register so no conversion is necessary. */
274// OBSOLETE /* Convert raw data to virtual format if necessary. */
275// OBSOLETE if (REGISTER_CONVERTIBLE (i))
276// OBSOLETE {
277// OBSOLETE REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
278// OBSOLETE raw_buffer, virtual_buffer);
279// OBSOLETE }
280// OBSOLETE else
281// OBSOLETE {
282// OBSOLETE memcpy (virtual_buffer, raw_buffer,
283// OBSOLETE REGISTER_VIRTUAL_SIZE (i));
284// OBSOLETE }
285// OBSOLETE
286// OBSOLETE /* If virtual format is floating, print it that way, and in raw
287// OBSOLETE hex. */
288// OBSOLETE if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
289// OBSOLETE {
290// OBSOLETE int j;
291// OBSOLETE
292// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
293// OBSOLETE file, 0, 1, 0, Val_pretty_default);
294// OBSOLETE
295// OBSOLETE fprintf_filtered (file, "\t(raw 0x");
296// OBSOLETE for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
297// OBSOLETE {
298// OBSOLETE int idx;
299// OBSOLETE if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
300// OBSOLETE idx = j;
301// OBSOLETE else
302// OBSOLETE idx = REGISTER_RAW_SIZE (i) - 1 - j;
303// OBSOLETE fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
304// OBSOLETE }
305// OBSOLETE fprintf_filtered (file, ")");
306// OBSOLETE }
307// OBSOLETE else
308// OBSOLETE {
309// OBSOLETE /* Print the register in hex. */
310// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
311// OBSOLETE file, 'x', 1, 0, Val_pretty_default);
312// OBSOLETE /* If not a vector register, print it also according to its
313// OBSOLETE natural format. */
314// OBSOLETE if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
315// OBSOLETE {
316// OBSOLETE fprintf_filtered (file, "\t");
317// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
318// OBSOLETE file, 0, 1, 0, Val_pretty_default);
319// OBSOLETE }
320// OBSOLETE }
321// OBSOLETE
322// OBSOLETE /* Some h8500 specific info. */
323// OBSOLETE h8500_print_register_hook (i);
324// OBSOLETE
325// OBSOLETE fprintf_filtered (file, "\n");
326// OBSOLETE }
327// OBSOLETE }
328// OBSOLETE
329// OBSOLETE void
330// OBSOLETE h8500_do_registers_info (int regnum, int all)
331// OBSOLETE {
332// OBSOLETE h8500_print_registers_info (current_gdbarch, gdb_stdout, deprecated_selected_frame,
333// OBSOLETE regnum, all);
334// OBSOLETE }
335// OBSOLETE
336// OBSOLETE int
337// OBSOLETE h8500_register_size (int regno)
338// OBSOLETE {
339// OBSOLETE switch (regno)
340// OBSOLETE {
341// OBSOLETE case SEG_C_REGNUM:
342// OBSOLETE case SEG_D_REGNUM:
343// OBSOLETE case SEG_E_REGNUM:
344// OBSOLETE case SEG_T_REGNUM:
345// OBSOLETE return 1;
346// OBSOLETE case R0_REGNUM:
347// OBSOLETE case R1_REGNUM:
348// OBSOLETE case R2_REGNUM:
349// OBSOLETE case R3_REGNUM:
350// OBSOLETE case R4_REGNUM:
351// OBSOLETE case R5_REGNUM:
352// OBSOLETE case R6_REGNUM:
353// OBSOLETE case R7_REGNUM:
354// OBSOLETE case CCR_REGNUM:
355// OBSOLETE return 2;
356// OBSOLETE
357// OBSOLETE case PR0_REGNUM:
358// OBSOLETE case PR1_REGNUM:
359// OBSOLETE case PR2_REGNUM:
360// OBSOLETE case PR3_REGNUM:
361// OBSOLETE case PR4_REGNUM:
362// OBSOLETE case PR5_REGNUM:
363// OBSOLETE case PR6_REGNUM:
364// OBSOLETE case PR7_REGNUM:
365// OBSOLETE case PC_REGNUM:
366// OBSOLETE return 4;
367// OBSOLETE default:
368// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
369// OBSOLETE }
370// OBSOLETE }
371// OBSOLETE
372// OBSOLETE struct type *
373// OBSOLETE h8500_register_virtual_type (int regno)
374// OBSOLETE {
375// OBSOLETE switch (regno)
376// OBSOLETE {
377// OBSOLETE case SEG_C_REGNUM:
378// OBSOLETE case SEG_E_REGNUM:
379// OBSOLETE case SEG_D_REGNUM:
380// OBSOLETE case SEG_T_REGNUM:
381// OBSOLETE return builtin_type_unsigned_char;
382// OBSOLETE case R0_REGNUM:
383// OBSOLETE case R1_REGNUM:
384// OBSOLETE case R2_REGNUM:
385// OBSOLETE case R3_REGNUM:
386// OBSOLETE case R4_REGNUM:
387// OBSOLETE case R5_REGNUM:
388// OBSOLETE case R6_REGNUM:
389// OBSOLETE case R7_REGNUM:
390// OBSOLETE case CCR_REGNUM:
391// OBSOLETE return builtin_type_unsigned_short;
392// OBSOLETE case PR0_REGNUM:
393// OBSOLETE case PR1_REGNUM:
394// OBSOLETE case PR2_REGNUM:
395// OBSOLETE case PR3_REGNUM:
396// OBSOLETE case PR4_REGNUM:
397// OBSOLETE case PR5_REGNUM:
398// OBSOLETE case PR6_REGNUM:
399// OBSOLETE case PR7_REGNUM:
400// OBSOLETE case PC_REGNUM:
401// OBSOLETE return builtin_type_unsigned_long;
402// OBSOLETE default:
403// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
404// OBSOLETE }
405// OBSOLETE }
406// OBSOLETE
407// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs,
408// OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO.
409// OBSOLETE This includes special registers such as pc and fp saved in special
410// OBSOLETE ways in the stack frame. sp is even more special:
411// OBSOLETE the address we return for it IS the sp for the next frame. */
412// OBSOLETE
413// OBSOLETE void
414// OBSOLETE frame_find_saved_regs (struct frame_info *frame_info,
415// OBSOLETE struct frame_saved_regs *frame_saved_regs)
416// OBSOLETE {
417// OBSOLETE register int regnum;
418// OBSOLETE register int regmask;
419// OBSOLETE register CORE_ADDR next_addr;
420// OBSOLETE register CORE_ADDR pc;
421// OBSOLETE unsigned char thebyte;
422// OBSOLETE
423// OBSOLETE memset (frame_saved_regs, '\0', sizeof *frame_saved_regs);
424// OBSOLETE
425// OBSOLETE if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4
426// OBSOLETE && (frame_info)->pc <= (frame_info)->frame)
427// OBSOLETE {
428// OBSOLETE next_addr = (frame_info)->frame;
429// OBSOLETE pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4;
430// OBSOLETE }
431// OBSOLETE else
432// OBSOLETE {
433// OBSOLETE pc = get_pc_function_start ((frame_info)->pc);
434// OBSOLETE /* Verify we have a link a6 instruction next;
435// OBSOLETE if not we lose. If we win, find the address above the saved
436// OBSOLETE regs using the amount of storage from the link instruction.
437// OBSOLETE */
438// OBSOLETE
439// OBSOLETE thebyte = read_memory_integer (pc, 1);
440// OBSOLETE if (0x1f == thebyte)
441// OBSOLETE next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 2), pc += 2;
442// OBSOLETE else if (0x17 == thebyte)
443// OBSOLETE next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 1), pc += 1;
444// OBSOLETE else
445// OBSOLETE goto lose;
446// OBSOLETE #if 0
447// OBSOLETE /* FIXME steve */
448// OBSOLETE /* If have an add:g.waddal #-n, sp next, adjust next_addr. */
449// OBSOLETE if ((0x0c0177777 & read_memory_integer (pc, 2)) == 0157774)
450// OBSOLETE next_addr += read_memory_integer (pc += 2, 4), pc += 4;
451// OBSOLETE #endif
452// OBSOLETE }
453// OBSOLETE
454// OBSOLETE thebyte = read_memory_integer (pc, 1);
455// OBSOLETE if (thebyte == 0x12)
456// OBSOLETE {
457// OBSOLETE /* Got stm */
458// OBSOLETE pc++;
459// OBSOLETE regmask = read_memory_integer (pc, 1);
460// OBSOLETE pc++;
461// OBSOLETE for (regnum = 0; regnum < 8; regnum++, regmask >>= 1)
462// OBSOLETE {
463// OBSOLETE if (regmask & 1)
464// OBSOLETE {
465// OBSOLETE (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
466// OBSOLETE }
467// OBSOLETE }
468// OBSOLETE thebyte = read_memory_integer (pc, 1);
469// OBSOLETE }
470// OBSOLETE /* Maybe got a load of pushes */
471// OBSOLETE while (thebyte == 0xbf)
472// OBSOLETE {
473// OBSOLETE pc++;
474// OBSOLETE regnum = read_memory_integer (pc, 1) & 0x7;
475// OBSOLETE pc++;
476// OBSOLETE (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
477// OBSOLETE thebyte = read_memory_integer (pc, 1);
478// OBSOLETE }
479// OBSOLETE
480// OBSOLETE lose:;
481// OBSOLETE
482// OBSOLETE /* Remember the address of the frame pointer */
483// OBSOLETE (frame_saved_regs)->regs[FP_REGNUM] = (frame_info)->frame;
484// OBSOLETE
485// OBSOLETE /* This is where the old sp is hidden */
486// OBSOLETE (frame_saved_regs)->regs[SP_REGNUM] = (frame_info)->frame;
487// OBSOLETE
488// OBSOLETE /* And the PC - remember the pushed FP is always two bytes long */
489// OBSOLETE (frame_saved_regs)->regs[PC_REGNUM] = (frame_info)->frame + 2;
490// OBSOLETE }
491// OBSOLETE
492// OBSOLETE CORE_ADDR
493// OBSOLETE saved_pc_after_call (void)
494// OBSOLETE {
495// OBSOLETE int x;
496// OBSOLETE int a = read_register (SP_REGNUM);
497// OBSOLETE
498// OBSOLETE x = read_memory_integer (a, code_size);
499// OBSOLETE if (code_size == 2)
500// OBSOLETE {
501// OBSOLETE /* Stick current code segement onto top */
502// OBSOLETE x &= 0xffff;
503// OBSOLETE x |= read_register (SEG_C_REGNUM) << 16;
504// OBSOLETE }
505// OBSOLETE x &= 0xffffff;
506// OBSOLETE return x;
507// OBSOLETE }
508// OBSOLETE
509// OBSOLETE void
510// OBSOLETE h8500_set_pointer_size (int newsize)
511// OBSOLETE {
512// OBSOLETE static int oldsize = 0;
513// OBSOLETE
514// OBSOLETE if (oldsize != newsize)
515// OBSOLETE {
516// OBSOLETE printf_unfiltered ("pointer size set to %d bits\n", newsize);
517// OBSOLETE oldsize = newsize;
518// OBSOLETE if (newsize == 32)
519// OBSOLETE {
520// OBSOLETE minimum_mode = 0;
521// OBSOLETE }
522// OBSOLETE else
523// OBSOLETE {
524// OBSOLETE minimum_mode = 1;
525// OBSOLETE }
526// OBSOLETE _initialize_gdbtypes ();
527// OBSOLETE }
528// OBSOLETE }
529// OBSOLETE
530// OBSOLETE static void
531// OBSOLETE big_command (char *arg, int from_tty)
532// OBSOLETE {
533// OBSOLETE h8500_set_pointer_size (32);
534// OBSOLETE code_size = 4;
535// OBSOLETE data_size = 4;
536// OBSOLETE }
537// OBSOLETE
538// OBSOLETE static void
539// OBSOLETE medium_command (char *arg, int from_tty)
540// OBSOLETE {
541// OBSOLETE h8500_set_pointer_size (32);
542// OBSOLETE code_size = 4;
543// OBSOLETE data_size = 2;
544// OBSOLETE }
545// OBSOLETE
546// OBSOLETE static void
547// OBSOLETE compact_command (char *arg, int from_tty)
548// OBSOLETE {
549// OBSOLETE h8500_set_pointer_size (32);
550// OBSOLETE code_size = 2;
551// OBSOLETE data_size = 4;
552// OBSOLETE }
553// OBSOLETE
554// OBSOLETE static void
555// OBSOLETE small_command (char *arg, int from_tty)
556// OBSOLETE {
557// OBSOLETE h8500_set_pointer_size (16);
558// OBSOLETE code_size = 2;
559// OBSOLETE data_size = 2;
560// OBSOLETE }
561// OBSOLETE
562// OBSOLETE static struct cmd_list_element *setmemorylist;
563// OBSOLETE
564// OBSOLETE static void
565// OBSOLETE set_memory (char *args, int from_tty)
566// OBSOLETE {
567// OBSOLETE printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
568// OBSOLETE help_list (setmemorylist, "set memory ", -1, gdb_stdout);
569// OBSOLETE }
570// OBSOLETE
571// OBSOLETE /* See if variable name is ppc or pr[0-7] */
572// OBSOLETE
573// OBSOLETE int
574// OBSOLETE h8500_is_trapped_internalvar (char *name)
575// OBSOLETE {
576// OBSOLETE if (name[0] != 'p')
577// OBSOLETE return 0;
578// OBSOLETE
579// OBSOLETE if (strcmp (name + 1, "pc") == 0)
580// OBSOLETE return 1;
581// OBSOLETE
582// OBSOLETE if (name[1] == 'r'
583// OBSOLETE && name[2] >= '0'
584// OBSOLETE && name[2] <= '7'
585// OBSOLETE && name[3] == '\000')
586// OBSOLETE return 1;
587// OBSOLETE else
588// OBSOLETE return 0;
589// OBSOLETE }
590// OBSOLETE
591// OBSOLETE struct value *
592// OBSOLETE h8500_value_of_trapped_internalvar (struct internalvar *var)
593// OBSOLETE {
594// OBSOLETE LONGEST regval;
595// OBSOLETE unsigned char regbuf[4];
596// OBSOLETE int page_regnum, regnum;
597// OBSOLETE
598// OBSOLETE regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0';
599// OBSOLETE
600// OBSOLETE switch (var->name[2])
601// OBSOLETE {
602// OBSOLETE case 'c':
603// OBSOLETE page_regnum = SEG_C_REGNUM;
604// OBSOLETE break;
605// OBSOLETE case '0':
606// OBSOLETE case '1':
607// OBSOLETE case '2':
608// OBSOLETE case '3':
609// OBSOLETE page_regnum = SEG_D_REGNUM;
610// OBSOLETE break;
611// OBSOLETE case '4':
612// OBSOLETE case '5':
613// OBSOLETE page_regnum = SEG_E_REGNUM;
614// OBSOLETE break;
615// OBSOLETE case '6':
616// OBSOLETE case '7':
617// OBSOLETE page_regnum = SEG_T_REGNUM;
618// OBSOLETE break;
619// OBSOLETE }
620// OBSOLETE
621// OBSOLETE get_saved_register (regbuf, NULL, NULL, deprecated_selected_frame, page_regnum, NULL);
622// OBSOLETE regval = regbuf[0] << 16;
623// OBSOLETE
624// OBSOLETE get_saved_register (regbuf, NULL, NULL, deprecated_selected_frame, regnum, NULL);
625// OBSOLETE regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
626// OBSOLETE
627// OBSOLETE xfree (var->value); /* Free up old value */
628// OBSOLETE
629// OBSOLETE var->value = value_from_longest (builtin_type_unsigned_long, regval);
630// OBSOLETE release_value (var->value); /* Unchain new value */
631// OBSOLETE
632// OBSOLETE VALUE_LVAL (var->value) = lval_internalvar;
633// OBSOLETE VALUE_INTERNALVAR (var->value) = var;
634// OBSOLETE return var->value;
635// OBSOLETE }
636// OBSOLETE
637// OBSOLETE void
638// OBSOLETE h8500_set_trapped_internalvar (struct internalvar *var, struct value *newval,
639// OBSOLETE int bitpos, int bitsize, int offset)
640// OBSOLETE {
641// OBSOLETE char *page_regnum, *regnum;
642// OBSOLETE char expression[100];
643// OBSOLETE unsigned new_regval;
644// OBSOLETE struct type *type;
645// OBSOLETE enum type_code newval_type_code;
646// OBSOLETE
647// OBSOLETE type = check_typedef (VALUE_TYPE (newval));
648// OBSOLETE newval_type_code = TYPE_CODE (type);
649// OBSOLETE
650// OBSOLETE if ((newval_type_code != TYPE_CODE_INT
651// OBSOLETE && newval_type_code != TYPE_CODE_PTR)
652// OBSOLETE || TYPE_LENGTH (type) != sizeof (new_regval))
653// OBSOLETE error ("Illegal type (%s) for assignment to $%s\n",
654// OBSOLETE TYPE_NAME (VALUE_TYPE (newval)), var->name);
655// OBSOLETE
656// OBSOLETE new_regval = *(long *) VALUE_CONTENTS_RAW (newval);
657// OBSOLETE
658// OBSOLETE regnum = var->name + 1;
659// OBSOLETE
660// OBSOLETE switch (var->name[2])
661// OBSOLETE {
662// OBSOLETE case 'c':
663// OBSOLETE page_regnum = "cp";
664// OBSOLETE break;
665// OBSOLETE case '0':
666// OBSOLETE case '1':
667// OBSOLETE case '2':
668// OBSOLETE case '3':
669// OBSOLETE page_regnum = "dp";
670// OBSOLETE break;
671// OBSOLETE case '4':
672// OBSOLETE case '5':
673// OBSOLETE page_regnum = "ep";
674// OBSOLETE break;
675// OBSOLETE case '6':
676// OBSOLETE case '7':
677// OBSOLETE page_regnum = "tp";
678// OBSOLETE break;
679// OBSOLETE }
680// OBSOLETE
681// OBSOLETE sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16);
682// OBSOLETE parse_and_eval (expression);
683// OBSOLETE
684// OBSOLETE sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff);
685// OBSOLETE parse_and_eval (expression);
686// OBSOLETE }
687// OBSOLETE
688// OBSOLETE CORE_ADDR
689// OBSOLETE h8500_read_sp (void)
690// OBSOLETE {
691// OBSOLETE return read_register (PR7_REGNUM);
692// OBSOLETE }
693// OBSOLETE
694// OBSOLETE void
695// OBSOLETE h8500_write_sp (CORE_ADDR v)
696// OBSOLETE {
697// OBSOLETE write_register (PR7_REGNUM, v);
698// OBSOLETE }
699// OBSOLETE
700// OBSOLETE CORE_ADDR
701// OBSOLETE h8500_read_pc (ptid_t ptid)
702// OBSOLETE {
703// OBSOLETE return read_register (PC_REGNUM);
704// OBSOLETE }
705// OBSOLETE
706// OBSOLETE void
707// OBSOLETE h8500_write_pc (CORE_ADDR v, ptid_t ptid)
708// OBSOLETE {
709// OBSOLETE write_register (PC_REGNUM, v);
710// OBSOLETE }
711// OBSOLETE
712// OBSOLETE CORE_ADDR
713// OBSOLETE h8500_read_fp (void)
714// OBSOLETE {
715// OBSOLETE return read_register (PR6_REGNUM);
716// OBSOLETE }
717// OBSOLETE
718// OBSOLETE void
719// OBSOLETE _initialize_h8500_tdep (void)
720// OBSOLETE {
721// OBSOLETE tm_print_insn = print_insn_h8500;
722// OBSOLETE
723// OBSOLETE add_prefix_cmd ("memory", no_class, set_memory,
724// OBSOLETE "set the memory model", &setmemorylist, "set memory ", 0,
725// OBSOLETE &setlist);
726// OBSOLETE
727// OBSOLETE add_cmd ("small", class_support, small_command,
728// OBSOLETE "Set small memory model. (16 bit code, 16 bit data)", &setmemorylist);
729// OBSOLETE
730// OBSOLETE add_cmd ("big", class_support, big_command,
731// OBSOLETE "Set big memory model. (32 bit code, 32 bit data)", &setmemorylist);
732// OBSOLETE
733// OBSOLETE add_cmd ("medium", class_support, medium_command,
734// OBSOLETE "Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist);
735// OBSOLETE
736// OBSOLETE add_cmd ("compact", class_support, compact_command,
737// OBSOLETE "Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist);
738// OBSOLETE
739// OBSOLETE }
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