OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [gdb/] [w65-tdep.c] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 578 markom 
/* OBSOLETE /* Target-machine dependent code for WDC-65816, for GDB. */
2 
/* OBSOLETE    Copyright 1995, 1996, 2000, 2001 Free Software Foundation, Inc. */
3 
/* OBSOLETE  */
4 
/* OBSOLETE    This file is part of GDB. */
5 
/* OBSOLETE  */
6 
/* OBSOLETE    This program is free software; you can redistribute it and/or modify */
7 
/* OBSOLETE    it under the terms of the GNU General Public License as published by */
8 
/* OBSOLETE    the Free Software Foundation; either version 2 of the License, or */
9 
/* OBSOLETE    (at your option) any later version. */
10 
/* OBSOLETE  */
11 
/* OBSOLETE    This program is distributed in the hope that it will be useful, */
12 
/* OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of */
13 
/* OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
14 
/* OBSOLETE    GNU General Public License for more details. */
15 
/* OBSOLETE  */
16 
/* OBSOLETE    You should have received a copy of the GNU General Public License */
17 
/* OBSOLETE    along with this program; if not, write to the Free Software */
18 
/* OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330, */
19 
/* OBSOLETE    Boston, MA 02111-1307, USA.  */ */
20 
/* OBSOLETE  */
21 
/* OBSOLETE /* */
22 
/* OBSOLETE    Contributed by Steve Chamberlain */
23 
/* OBSOLETE    sac@cygnus.com */
24 
/* OBSOLETE  */ */
25 
/* OBSOLETE  */
26 
/* OBSOLETE #include "defs.h" */
27 
/* OBSOLETE #include "frame.h" */
28 
/* OBSOLETE #include "obstack.h" */
29 
/* OBSOLETE #include "symtab.h" */
30 
/* OBSOLETE #include "gdbcmd.h" */
31 
/* OBSOLETE #include "gdbtypes.h" */
32 
/* OBSOLETE #include "dis-asm.h" */
33 
/* OBSOLETE #include "gdbcore.h" */
34 
/* OBSOLETE #include "regcache.h" */
35 
/* OBSOLETE  */
36 
/* OBSOLETE /* Return the saved PC from this frame. */ */
37 
/* OBSOLETE  */
38 
/* OBSOLETE  */
39 
/* OBSOLETE CORE_ADDR */
40 
/* OBSOLETE w65_frame_saved_pc (struct frame_info *frame) */
41 
/* OBSOLETE { */
42 
/* OBSOLETE   return (read_memory_integer (frame->frame + 2, 4) & 0xffffff); */
43 
/* OBSOLETE } */
44 
/* OBSOLETE  */
45 
/* OBSOLETE CORE_ADDR */
46 
/* OBSOLETE w65_addr_bits_remove (CORE_ADDR addr) */
47 
/* OBSOLETE { */
48 
/* OBSOLETE   return ((addr) & 0xffffff); */
49 
/* OBSOLETE } */
50 
/* OBSOLETE  */
51 
/* OBSOLETE read_memory_pointer (CORE_ADDR x) */
52 
/* OBSOLETE { */
53 
/* OBSOLETE   return read_memory_integer (ADDR_BITS_REMOVE (x), 4); */
54 
/* OBSOLETE } */
55 
/* OBSOLETE  */
56 
/* OBSOLETE init_frame_pc (void) */
57 
/* OBSOLETE { */
58 
/* OBSOLETE   internal_error (__FILE__, __LINE__, "failed internal consistency check"); */
59 
/* OBSOLETE } */
60 
/* OBSOLETE  */
61 
/* OBSOLETE void */
62 
/* OBSOLETE w65_push_dummy_frame (void) */
63 
/* OBSOLETE { */
64 
/* OBSOLETE   internal_error (__FILE__, __LINE__, "failed internal consistency check"); */
65 
/* OBSOLETE } */
66 
/* OBSOLETE  */
67 
/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
68 
/* OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO. */
69 
/* OBSOLETE    This includes special registers such as pc and fp saved in special */
70 
/* OBSOLETE    ways in the stack frame.  sp is even more special: */
71 
/* OBSOLETE    the address we return for it IS the sp for the next frame. */
72 
/* OBSOLETE  */
73 
/* OBSOLETE    We cache the result of doing this in the frame_cache_obstack, since */
74 
/* OBSOLETE    it is fairly expensive.  */ */
75 
/* OBSOLETE  */
76 
/* OBSOLETE void */
77 
/* OBSOLETE frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp) */
78 
/* OBSOLETE { */
79 
/* OBSOLETE   int locals; */
80 
/* OBSOLETE   CORE_ADDR pc; */
81 
/* OBSOLETE   CORE_ADDR adr; */
82 
/* OBSOLETE   int i; */
83 
/* OBSOLETE  */
84 
/* OBSOLETE   memset (fsrp, 0, sizeof *fsrp); */
85 
/* OBSOLETE } */
86 
/* OBSOLETE  */
87 
/* OBSOLETE int */
88 
/* OBSOLETE saved_pc_after_call (void) */
89 
/* OBSOLETE { */
90 
/* OBSOLETE   int sp = read_register (SP_REGNUM); */
91 
/* OBSOLETE   int val = read_memory_integer (sp + 1, 4); */
92 
/* OBSOLETE   return ADDR_BITS_REMOVE (val); */
93 
/* OBSOLETE } */
94 
/* OBSOLETE  */
95 
/* OBSOLETE  */
96 
/* OBSOLETE extract_return_value (struct type *type, char *regbuf, char *valbuf) */
97 
/* OBSOLETE { */
98 
/* OBSOLETE   int b; */
99 
/* OBSOLETE   int len = TYPE_LENGTH (type); */
100 
/* OBSOLETE  */
101 
/* OBSOLETE   for (b = 0; b < len; b += 2) */
102 
/* OBSOLETE     { */
103 
/* OBSOLETE       int todo = len - b; */
104 
/* OBSOLETE       if (todo > 2) */
105 
/* OBSOLETE     todo = 2; */
106 
/* OBSOLETE       memcpy (valbuf + b, regbuf + b, todo); */
107 
/* OBSOLETE     } */
108 
/* OBSOLETE } */
109 
/* OBSOLETE  */
110 
/* OBSOLETE void */
111 
/* OBSOLETE write_return_value (struct type *type, char *valbuf) */
112 
/* OBSOLETE { */
113 
/* OBSOLETE   int reg; */
114 
/* OBSOLETE   int len; */
115 
/* OBSOLETE   for (len = 0; len < TYPE_LENGTH (type); len += 2) */
116 
/* OBSOLETE     { */
117 
/* OBSOLETE       write_register_bytes (REGISTER_BYTE (len / 2 + 2), valbuf + len, 2); */
118 
/* OBSOLETE     } */
119 
/* OBSOLETE } */
120 
/* OBSOLETE  */
121 
/* OBSOLETE void */
122 
/* OBSOLETE store_struct_return (CORE_ADDR addr, CORE_ADDR sp) */
123 
/* OBSOLETE { */
124 
/* OBSOLETE   write_register (2, addr); */
125 
/* OBSOLETE } */
126 
/* OBSOLETE  */
127 
/* OBSOLETE void */
128 
/* OBSOLETE w65_pop_frame (void) */
129 
/* OBSOLETE { */
130 
/* OBSOLETE } */
131 
/* OBSOLETE  */
132 
/* OBSOLETE init_extra_frame_info (void) */
133 
/* OBSOLETE { */
134 
/* OBSOLETE } */
135 
/* OBSOLETE  */
136 
/* OBSOLETE pop_frame (void) */
137 
/* OBSOLETE { */
138 
/* OBSOLETE } */
139 
/* OBSOLETE  */
140 
/* OBSOLETE w65_frame_chain (struct frame_info *thisframe) */
141 
/* OBSOLETE { */
142 
/* OBSOLETE   return 0xffff & read_memory_integer ((thisframe)->frame, 2); */
143 
/* OBSOLETE } */
144 
/* OBSOLETE  */
145 
/* OBSOLETE static int */
146 
/* OBSOLETE gb (int x) */
147 
/* OBSOLETE { */
148 
/* OBSOLETE   return read_memory_integer (x, 1) & 0xff; */
149 
/* OBSOLETE } */
150 
/* OBSOLETE  */
151 
/* OBSOLETE extern CORE_ADDR */
152 
/* OBSOLETE w65_skip_prologue (CORE_ADDR pc) */
153 
/* OBSOLETE { */
154 
/* OBSOLETE   CORE_ADDR too_far = pc + 20; */
155 
/* OBSOLETE  */
156 
/* OBSOLETE   /* looking for bits of the prologue, we can expect to */
157 
/* OBSOLETE      see this in a frameful function: */
158 
/* OBSOLETE  */
159 
/* OBSOLETE      stack adjust: */
160 
/* OBSOLETE  */
161 
/* OBSOLETE      3B                 tsc */
162 
/* OBSOLETE      1A                 inc a */
163 
/* OBSOLETE      18                 clc */
164 
/* OBSOLETE      69E2FF             adc     #0xffe2 */
165 
/* OBSOLETE      3A                 dec a */
166 
/* OBSOLETE      1B                 tcs */
167 
/* OBSOLETE      1A                 inc a */
168 
/* OBSOLETE  */
169 
/* OBSOLETE      link: */
170 
/* OBSOLETE  */
171 
/* OBSOLETE      A500               lda     <r15 */
172 
/* OBSOLETE      48                 pha */
173 
/* OBSOLETE      3B                 tsc */
174 
/* OBSOLETE      1a                 inc     a */
175 
/* OBSOLETE      8500               sta     <r15 */
176 
/* OBSOLETE  */
177 
/* OBSOLETE    */ */
178 
/* OBSOLETE  */
179 
/* OBSOLETE #define TSC  0x3b */
180 
/* OBSOLETE #define TCS  0x1b */
181 
/* OBSOLETE #define INCA 0x1a */
182 
/* OBSOLETE #define PHA  0x48 */
183 
/* OBSOLETE #define LDADIR 0xa5 */
184 
/* OBSOLETE #define STADIR 0x85 */
185 
/* OBSOLETE  */
186 
/* OBSOLETE   /* Skip a stack adjust - any area between a tsc and tcs */ */
187 
/* OBSOLETE   if (gb (pc) == TSC) */
188 
/* OBSOLETE     { */
189 
/* OBSOLETE       while (pc < too_far && gb (pc) != TCS) */
190 
/* OBSOLETE     { */
191 
/* OBSOLETE       pc++; */
192 
/* OBSOLETE     } */
193 
/* OBSOLETE       pc++; */
194 
/* OBSOLETE       /* Skip a stupid inc a */ */
195 
/* OBSOLETE       if (gb (pc) == INCA) */
196 
/* OBSOLETE     pc++; */
197 
/* OBSOLETE  */
198 
/* OBSOLETE     } */
199 
/* OBSOLETE   /* Stack adjust can also be done with n pha's */ */
200 
/* OBSOLETE   while (gb (pc) == PHA) */
201 
/* OBSOLETE     pc++; */
202 
/* OBSOLETE  */
203 
/* OBSOLETE   /* Skip a link - that's a ld/ph/tsc/inc/sta */ */
204 
/* OBSOLETE  */
205 
/* OBSOLETE   if (gb (pc) == LDADIR */
206 
/* OBSOLETE       && gb (pc + 5) == STADIR */
207 
/* OBSOLETE       && gb (pc + 1) == gb (pc + 6) */
208 
/* OBSOLETE       && gb (pc + 2) == PHA */
209 
/* OBSOLETE       && gb (pc + 3) == TSC */
210 
/* OBSOLETE       && gb (pc + 4) == INCA) */
211 
/* OBSOLETE     { */
212 
/* OBSOLETE       pc += 7; */
213 
/* OBSOLETE     } */
214 
/* OBSOLETE  */
215 
/* OBSOLETE   return pc; */
216 
/* OBSOLETE } */
217 
/* OBSOLETE  */
218 
/* OBSOLETE  */
219 
/* OBSOLETE register_raw_size (int n) */
220 
/* OBSOLETE { */
221 
/* OBSOLETE   return sim_reg_size (n); */
222 
/* OBSOLETE } */
223 
/* OBSOLETE  */
224 
/* OBSOLETE  */
225 
/* OBSOLETE void */
226 
/* OBSOLETE print_register_hook (int regno) */
227 
/* OBSOLETE { */
228 
/* OBSOLETE   if (regno == P_REGNUM) */
229 
/* OBSOLETE     { */
230 
/* OBSOLETE       /* CCR register */ */
231 
/* OBSOLETE  */
232 
/* OBSOLETE       int C, Z, N, V, I, D, X, M; */
233 
/* OBSOLETE       unsigned char b[1]; */
234 
/* OBSOLETE       unsigned char l; */
235 
/* OBSOLETE  */
236 
/* OBSOLETE       read_relative_register_raw_bytes (regno, b); */
237 
/* OBSOLETE       l = b[0]; */
238 
/* OBSOLETE       printf_unfiltered ("\t"); */
239 
/* OBSOLETE       C = (l & 0x1) != 0; */
240 
/* OBSOLETE       Z = (l & 0x2) != 0; */
241 
/* OBSOLETE       I = (l & 0x4) != 0; */
242 
/* OBSOLETE       D = (l & 0x8) != 0; */
243 
/* OBSOLETE       X = (l & 0x10) != 0; */
244 
/* OBSOLETE       M = (l & 0x20) != 0; */
245 
/* OBSOLETE       V = (l & 0x40) != 0; */
246 
/* OBSOLETE       N = (l & 0x80) != 0; */
247 
/* OBSOLETE  */
248 
/* OBSOLETE       printf_unfiltered ("N-%d ", N); */
249 
/* OBSOLETE       printf_unfiltered ("V-%d ", V); */
250 
/* OBSOLETE       printf_unfiltered ("M-%d ", M); */
251 
/* OBSOLETE       printf_unfiltered ("X-%d ", X); */
252 
/* OBSOLETE       printf_unfiltered ("D-%d ", D); */
253 
/* OBSOLETE       printf_unfiltered ("I-%d ", I); */
254 
/* OBSOLETE       printf_unfiltered ("Z-%d ", Z); */
255 
/* OBSOLETE       printf_unfiltered ("C-%d ", C); */
256 
/* OBSOLETE       if ((C | Z) == 0) */
257 
/* OBSOLETE     printf_unfiltered ("u> "); */
258 
/* OBSOLETE       if ((C | Z) == 1) */
259 
/* OBSOLETE     printf_unfiltered ("u<= "); */
260 
/* OBSOLETE       if ((C == 0)) */
261 
/* OBSOLETE     printf_unfiltered ("u>= "); */
262 
/* OBSOLETE       if (C == 1) */
263 
/* OBSOLETE     printf_unfiltered ("u< "); */
264 
/* OBSOLETE       if (Z == 0) */
265 
/* OBSOLETE     printf_unfiltered ("!= "); */
266 
/* OBSOLETE       if (Z == 1) */
267 
/* OBSOLETE     printf_unfiltered ("== "); */
268 
/* OBSOLETE       if ((N ^ V) == 0) */
269 
/* OBSOLETE     printf_unfiltered (">= "); */
270 
/* OBSOLETE       if ((N ^ V) == 1) */
271 
/* OBSOLETE     printf_unfiltered ("< "); */
272 
/* OBSOLETE       if ((Z | (N ^ V)) == 0) */
273 
/* OBSOLETE     printf_unfiltered ("> "); */
274 
/* OBSOLETE       if ((Z | (N ^ V)) == 1) */
275 
/* OBSOLETE     printf_unfiltered ("<= "); */
276 
/* OBSOLETE     } */
277 
/* OBSOLETE } */
278 
/* OBSOLETE  */
279 
/* OBSOLETE void */
280 
/* OBSOLETE _initialize_w65_tdep (void) */
281 
/* OBSOLETE { */
282 
/* OBSOLETE   tm_print_insn = print_insn_w65; */
283 
/* OBSOLETE } */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.