aboutsummaryrefslogtreecommitdiff
path: root/gdb/config/tic80/tm-tic80.h
blob: 3392dc286e1d5628aa97c85d8f16ccaaccc79037 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
/* OBSOLETE /* Parameters for execution on a TI TMS320C80 (MVP) processor. */
/* OBSOLETE    Copyright 1997, 1999, 2000 */
/* OBSOLETE    Free Software Foundation, Inc. */
/* OBSOLETE  */
/* OBSOLETE    This file is part of GDB. */
/* OBSOLETE  */
/* OBSOLETE    This program is free software; you can redistribute it and/or modify */
/* OBSOLETE    it under the terms of the GNU General Public License as published by */
/* OBSOLETE    the Free Software Foundation; either version 2 of the License, or */
/* OBSOLETE    (at your option) any later version. */
/* OBSOLETE  */
/* OBSOLETE    This program is distributed in the hope that it will be useful, */
/* OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
/* OBSOLETE    GNU General Public License for more details. */
/* OBSOLETE  */
/* OBSOLETE    You should have received a copy of the GNU General Public License */
/* OBSOLETE    along with this program; if not, write to the Free Software */
/* OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330, */
/* OBSOLETE    Boston, MA 02111-1307, USA.  */ */
/* OBSOLETE  */
/* OBSOLETE #ifndef TM_TIC80_H */
/* OBSOLETE #define TM_TIC80_H */
/* OBSOLETE  */
/* OBSOLETE #include "regcache.h" */
/* OBSOLETE  */
/* OBSOLETE /* Forward declare structs used in prototypes */ */
/* OBSOLETE struct frame_info; */
/* OBSOLETE struct type; */
/* OBSOLETE struct value; */
/* OBSOLETE struct symbol; */
/* OBSOLETE struct frame_saved_regs; */
/* OBSOLETE  */
/* OBSOLETE #define TARGET_BYTE_ORDER LITTLE_ENDIAN */
/* OBSOLETE  */
/* OBSOLETE #define NUM_REGS 38 */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_NAMES \ */
/* OBSOLETE { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */
/* OBSOLETE   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ */
/* OBSOLETE   "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ */
/* OBSOLETE   "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ */
/* OBSOLETE   "pc", "npc", \ */
/* OBSOLETE   "a0", "a1", "a2", "a3", \ */
/* OBSOLETE } */
/* OBSOLETE  */
/* OBSOLETE /* Various dedicated register numbers */
/* OBSOLETE    FIXME: Shadow updates in sim/tic80/sim-calls.c */ */
/* OBSOLETE  */
/* OBSOLETE #define SP_REGNUM 1		/* Contains address of top of stack */ */
/* OBSOLETE #define ARG0_REGNUM 2		/* Contains argument 1 (r3 has high word) */ */
/* OBSOLETE #define RET_REGNUM  2		/* Contains function return value */ */
/* OBSOLETE #define ARGLAST_REGNUM 12	/* Contains argument 6 (r13 has high word) */ */
/* OBSOLETE #define FP_REGNUM 30		/* Contains address of executing stack frame */ */
/* OBSOLETE #define LR_REGNUM 31		/* Contains address of caller (link register) */ */
/* OBSOLETE #define PC_REGNUM 32		/* Contains program counter (FIXME?) */ */
/* OBSOLETE #define NPC_REGNUM 33		/* Contains the next program counter (FIXME?) */ */
/* OBSOLETE #define A0_REGNUM 34		/* Accumulator register 0 */ */
/* OBSOLETE #define A3_REGNUM 37		/* Accumulator register 1 */ */
/* OBSOLETE  */
/* OBSOLETE #define R0_REGNUM 0		/* General Purpose Register 0 - for sim */ */
/* OBSOLETE #define Rn_REGNUM 31		/* Last General Purpose Register - for sim */ */
/* OBSOLETE #define An_REGNUM A3_REGNUM	/* Last Accumulator register - for sim */ */
/* OBSOLETE  */
/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */
/* OBSOLETE    register state, the array `registers'.  */ */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_BYTES (((NUM_REGS - 4) * 4) + (4 * 8)) */
/* OBSOLETE  */
/* OBSOLETE /* Index within `registers' of the first byte of the space for */
/* OBSOLETE    register N.  */ */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_BYTE(N) \ */
/* OBSOLETE    (((N) >= A0_REGNUM) ? (((N) - A0_REGNUM) * 8 + A0_REGNUM * 4) : ((N) * 4)) */
/* OBSOLETE  */
/* OBSOLETE /* Most registers are 4 bytes */ */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_SIZE 4 */
/* OBSOLETE  */
/* OBSOLETE /* Some registers are 8 bytes.  */ */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_RAW_SIZE(N) \ */
/* OBSOLETE      (((N) >= A0_REGNUM) ? 8 : 4) */
/* OBSOLETE  */
/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have.  */ */
/* OBSOLETE  */
/* OBSOLETE #define MAX_REGISTER_RAW_SIZE (8) */
/* OBSOLETE  */
/* OBSOLETE /* All regs are 4 bytes.  */ */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) (REGISTER_RAW_SIZE(N)) */
/* OBSOLETE  */
/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have.  */ */
/* OBSOLETE  */
/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE (MAX_REGISTER_RAW_SIZE) */
/* OBSOLETE  */
/* OBSOLETE /* Return the GDB type object for the "standard" data type */
/* OBSOLETE    of data in register N.  */ */
/* OBSOLETE  */
/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) /* FIXME? */ \ */
/* OBSOLETE 	(((N) >= A0_REGNUM) ? builtin_type_float : builtin_type_int) */
/* OBSOLETE  */
/* OBSOLETE /* Offset from address of function to start of its code. */
/* OBSOLETE    Zero on most machines.  */ */
/* OBSOLETE  */
/* OBSOLETE #define FUNCTION_START_OFFSET 0 */
/* OBSOLETE  */
/* OBSOLETE /* Stack grows downward.  */ */
/* OBSOLETE  */
/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */
/* OBSOLETE  */
/* OBSOLETE /* Sequence of bytes for breakpoint instruction. */
/* OBSOLETE    This is padded out to the size of a machine word. */ */
/* OBSOLETE  */
/* OBSOLETE #define BREAKPOINT 		{0x49, 0x80, 0x00, 0x00}	/* FIXME! */ */
/* OBSOLETE  */
/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */
/* OBSOLETE    This is often the number of bytes in BREAKPOINT */
/* OBSOLETE    but not always.  */ */
/* OBSOLETE  */
/* OBSOLETE #define DECR_PC_AFTER_BREAK	0	/* FIXME! */ */
/* OBSOLETE  */
/* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers.  */ */
/* OBSOLETE  */
/* OBSOLETE #define POP_FRAME tic80_pop_frame(get_current_frame ()) */
/* OBSOLETE extern struct frame_info *tic80_pop_frame (struct frame_info *frame); */
/* OBSOLETE  */
/* OBSOLETE /* Return number of bytes at start of arglist that are not really args.  */ */
/* OBSOLETE  */
/* OBSOLETE #define FRAME_ARGS_SKIP 0 */
/* OBSOLETE  */
/* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */
/* OBSOLETE    Can set VAL to -1, meaning no way to tell.  */ */
/* OBSOLETE /* We can't tell how many args there are */ */
/* OBSOLETE  */
/* OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) */
/* OBSOLETE  */
/* OBSOLETE #define FRAME_ARGS_SKIP 0 */
/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi)   (fi)->frame */
/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */
/* OBSOLETE  */
/* OBSOLETE /* Define other aspects of the stack frame.  */
/* OBSOLETE    We keep the offsets of all saved registers, 'cause we need 'em a lot! */
/* OBSOLETE    We also keep the current size of the stack frame, and the offset of */
/* OBSOLETE    the frame pointer from the stack pointer (for frameless functions, and */
/* OBSOLETE    when we're still in the prologue of a function with a frame) */ */
/* OBSOLETE  */
/* OBSOLETE #define EXTRA_FRAME_INFO  	\ */
/* OBSOLETE   struct frame_saved_regs fsr;	\ */
/* OBSOLETE   int framesize;		\ */
/* OBSOLETE   int frameoffset;		\ */
/* OBSOLETE   int framereg; */
/* OBSOLETE  */
/* OBSOLETE extern void tic80_init_extra_frame_info (struct frame_info *fi); */
/* OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) tic80_init_extra_frame_info (fi) */
/* OBSOLETE #define INIT_FRAME_PC		/* Not necessary */ */
/* OBSOLETE  */
/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
/* OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO. */
/* OBSOLETE    This includes special registers such as pc and fp saved in special */
/* OBSOLETE    ways in the stack frame.  sp is even more special: */
/* OBSOLETE    the address we return for it IS the sp for the next frame.  */ */
/* OBSOLETE  */
/* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)	    \ */
/* OBSOLETE    tic80_frame_find_saved_regs(frame_info, &(frame_saved_regs)) */
/* OBSOLETE extern void tic80_frame_find_saved_regs (struct frame_info *, */
/* OBSOLETE 					 struct frame_saved_regs *); */
/* OBSOLETE  */
/* OBSOLETE /* Advance PC across any function entry prologue instructions */
/* OBSOLETE    to reach some "real" code.  */ */
/* OBSOLETE  */
/* OBSOLETE #define SKIP_PROLOGUE(pc) (tic80_skip_prologue (pc)) */
/* OBSOLETE extern CORE_ADDR tic80_skip_prologue (CORE_ADDR pc); */
/* OBSOLETE  */
/* OBSOLETE /* Immediately after a function call, return the saved pc. */
/* OBSOLETE    Can't always go through the frames for this because on some machines */
/* OBSOLETE    the new frame is not set up until the new function executes */
/* OBSOLETE    some instructions.  */ */
/* OBSOLETE  */
/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) read_register (LR_REGNUM) */
/* OBSOLETE  */
/* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */
/* OBSOLETE    (its caller).  */ */
/* OBSOLETE  */
/* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */
/* OBSOLETE    and produces the frame's chain-pointer. */ */
/* OBSOLETE  */
/* OBSOLETE #define FRAME_CHAIN(thisframe) (CORE_ADDR) tic80_frame_chain (thisframe) */
/* OBSOLETE extern CORE_ADDR tic80_frame_chain (struct frame_info *); */
/* OBSOLETE  */
/* OBSOLETE #define FRAME_SAVED_PC(FRAME)	tic80_frame_saved_pc (FRAME) */
/* OBSOLETE extern CORE_ADDR tic80_frame_saved_pc (struct frame_info *); */
/* OBSOLETE  */
/* OBSOLETE /* Store the address of the place in which to copy the structure the */
/* OBSOLETE    subroutine will return.  This is called from call_function.  */
/* OBSOLETE  */
/* OBSOLETE    We store structs through a pointer passed in R2 */ */
/* OBSOLETE  */
/* OBSOLETE #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP)	\ */
/* OBSOLETE 	write_register (ARG0_REGNUM, STRUCT_ADDR) */
/* OBSOLETE  */
/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
/* OBSOLETE    a function return value of type TYPE, and copy that, in virtual format, */
/* OBSOLETE    into VALBUF.  */ */
/* OBSOLETE  */
/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */
/* OBSOLETE   memcpy ((VALBUF), \ */
/* OBSOLETE 	  (char *)(REGBUF) + REGISTER_BYTE (RET_REGNUM) + \ */
/* OBSOLETE 	  ((TYPE_LENGTH (TYPE) > 4 ? 8 : 4) - TYPE_LENGTH (TYPE)), \ */
/* OBSOLETE 	  TYPE_LENGTH (TYPE)) */
/* OBSOLETE  */
/* OBSOLETE /* Write into appropriate registers a function return value */
/* OBSOLETE    of type TYPE, given in virtual format.  */ */
/* OBSOLETE  */
/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */
/* OBSOLETE   write_register_bytes(REGISTER_BYTE (RET_REGNUM) + \ */
/* OBSOLETE 		       ((TYPE_LENGTH (TYPE) > 4 ? 8:4) - TYPE_LENGTH (TYPE)),\ */
/* OBSOLETE 		       (VALBUF), TYPE_LENGTH (TYPE)); */
/* OBSOLETE  */
/* OBSOLETE  */
/* OBSOLETE  */
/* OBSOLETE /* PUSH_ARGUMENTS */ */
/* OBSOLETE extern CORE_ADDR tic80_push_arguments (int nargs, */
/* OBSOLETE 				       struct value **args, */
/* OBSOLETE 				       CORE_ADDR sp, */
/* OBSOLETE 				       unsigned char struct_return, */
/* OBSOLETE 				       CORE_ADDR struct_addr); */
/* OBSOLETE  */
/* OBSOLETE #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ */
/* OBSOLETE   (tic80_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) */
/* OBSOLETE  */
/* OBSOLETE /* PUSH_RETURN_ADDRESS */ */
/* OBSOLETE extern CORE_ADDR tic80_push_return_address (CORE_ADDR, CORE_ADDR); */
/* OBSOLETE #define PUSH_RETURN_ADDRESS(PC, SP)	tic80_push_return_address (PC, SP) */
/* OBSOLETE  */
/* OBSOLETE /* override the standard get_saved_register function with  */
/* OBSOLETE    one that takes account of generic CALL_DUMMY frames */ */
/* OBSOLETE #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ */
/* OBSOLETE       generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) */
/* OBSOLETE  */
/* OBSOLETE #define USE_GENERIC_DUMMY_FRAMES 1 */
/* OBSOLETE #define CALL_DUMMY                   {0} */
/* OBSOLETE #define CALL_DUMMY_LENGTH            (0) */
/* OBSOLETE #define CALL_DUMMY_START_OFFSET      (0) */
/* OBSOLETE #define CALL_DUMMY_BREAKPOINT_OFFSET (0) */
/* OBSOLETE #define FIX_CALL_DUMMY(DUMMY1, STARTADDR, FUNADDR, NARGS, ARGS, TYPE, GCCP) */
/* OBSOLETE #define CALL_DUMMY_LOCATION          AT_ENTRY_POINT */
/* OBSOLETE #define CALL_DUMMY_ADDRESS()         entry_point_address () */
/* OBSOLETE  */
/* OBSOLETE /* generic dummy frame stuff */ */
/* OBSOLETE  */
/* OBSOLETE #define PUSH_DUMMY_FRAME             generic_push_dummy_frame () */
/* OBSOLETE #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) */
/* OBSOLETE  */
/* OBSOLETE #endif /* TM_TIC80_H */ */