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085dd6e6 JM |
1 | /* OBSOLETE /* Definitions to make GDB run on Convex Unix (4bsd) */ |
2 | /* OBSOLETE Copyright 1989, 1991, 1993 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, Boston, MA 02111-1307, USA. *x/ */ | |
19 | /* OBSOLETE */ | |
20 | /* OBSOLETE #define TARGET_BYTE_ORDER BIG_ENDIAN */ | |
21 | /* OBSOLETE */ | |
22 | /* OBSOLETE /* There is come problem with the debugging symbols generated by the */ | |
23 | /* OBSOLETE compiler such that the debugging symbol for the first line of a */ | |
24 | /* OBSOLETE function overlap with the function prologue. *x/ */ | |
25 | /* OBSOLETE #define PROLOGUE_FIRSTLINE_OVERLAP */ | |
26 | /* OBSOLETE */ | |
27 | /* OBSOLETE /* When convex pcc says CHAR or SHORT, it provides the correct address. *x/ */ | |
28 | /* OBSOLETE */ | |
29 | /* OBSOLETE #define BELIEVE_PCC_PROMOTION 1 */ | |
30 | /* OBSOLETE */ | |
31 | /* OBSOLETE /* Symbol types to ignore. *x/ */ | |
32 | /* OBSOLETE /* 0xc4 is N_MONPT. Use the numeric value for the benefit of people */ | |
33 | /* OBSOLETE with (rather) old OS's. *x/ */ | |
34 | /* OBSOLETE #define IGNORE_SYMBOL(TYPE) \ */ | |
35 | /* OBSOLETE (((TYPE) & ~N_EXT) == N_TBSS \ */ | |
36 | /* OBSOLETE || ((TYPE) & ~N_EXT) == N_TDATA \ */ | |
37 | /* OBSOLETE || ((TYPE) & ~N_EXT) == 0xc4) */ | |
38 | /* OBSOLETE */ | |
39 | /* OBSOLETE /* Offset from address of function to start of its code. */ | |
40 | /* OBSOLETE Zero on most machines. *x/ */ | |
41 | /* OBSOLETE */ | |
42 | /* OBSOLETE #define FUNCTION_START_OFFSET 0 */ | |
43 | /* OBSOLETE */ | |
44 | /* OBSOLETE /* Advance PC across any function entry prologue instructions */ | |
45 | /* OBSOLETE to reach some "real" code. */ | |
46 | /* OBSOLETE Convex prolog is: */ | |
c5aa993b JM |
47 | /* OBSOLETE [sub.w #-,sp] in one of 3 possible sizes */ |
48 | /* OBSOLETE [mov psw,- fc/vc main program prolog */ | |
49 | /* OBSOLETE and #-,- (skip it because the "mov psw" saves the */ | |
50 | /* OBSOLETE mov -,psw] T bit, so continue gets a surprise trap) */ | |
51 | /* OBSOLETE [and #-,sp] fc/vc O2 main program prolog */ | |
52 | /* OBSOLETE [ld.- -(ap),-] pcc/gcc register arg loads */ | |
085dd6e6 JM |
53 | /* OBSOLETE *x/ */ |
54 | /* OBSOLETE */ | |
55 | /* OBSOLETE extern CORE_ADDR convex_skip_prologue PARAMS ((CORE_ADDR pc)); */ | |
56 | /* OBSOLETE #define SKIP_PROLOGUE(pc) (convex_skip_prologue (pc)) */ | |
57 | /* OBSOLETE */ | |
58 | /* OBSOLETE /* Immediately after a function call, return the saved pc. */ | |
59 | /* OBSOLETE (ignore frame and return *$sp so we can handle both calls and callq) *x/ */ | |
60 | /* OBSOLETE */ | |
61 | /* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */ | |
62 | /* OBSOLETE read_memory_integer (read_register (SP_REGNUM), 4) */ | |
63 | /* OBSOLETE */ | |
64 | /* OBSOLETE /* Address of end of stack space. */ | |
65 | /* OBSOLETE This is ((USRSTACK + 0xfff) & -0x1000)) from <convex/vmparam.h> but */ | |
66 | /* OBSOLETE that expression depends on the kernel version; instead, fetch a */ | |
67 | /* OBSOLETE page-zero pointer and get it from that. This will be invalid if */ | |
68 | /* OBSOLETE they ever change the way bkpt signals are delivered. *x/ */ | |
69 | /* OBSOLETE */ | |
70 | /* OBSOLETE #define STACK_END_ADDR (0xfffff000 & *(unsigned *) 0x80000050) */ | |
71 | /* OBSOLETE */ | |
72 | /* OBSOLETE /* User-mode traps push an extended rtn block, */ | |
73 | /* OBSOLETE then fault with one of the following PCs *x/ */ | |
74 | /* OBSOLETE */ | |
75 | /* OBSOLETE #define is_trace_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000040)) <= 4) */ | |
76 | /* OBSOLETE #define is_arith_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000044)) <= 4) */ | |
77 | /* OBSOLETE #define is_break_pc(pc) ((unsigned) ((pc) - (*(int *) 0x80000050)) <= 4) */ | |
78 | /* OBSOLETE */ | |
79 | /* OBSOLETE /* We need to manipulate trap bits in the psw *x/ */ | |
80 | /* OBSOLETE */ | |
c5aa993b JM |
81 | /* OBSOLETE #define PSW_TRAP_FLAGS 0x69670000 */ |
82 | /* OBSOLETE #define PSW_T_BIT 0x08000000 */ | |
83 | /* OBSOLETE #define PSW_S_BIT 0x01000000 */ | |
085dd6e6 JM |
84 | /* OBSOLETE */ |
85 | /* OBSOLETE /* Stack grows downward. *x/ */ | |
86 | /* OBSOLETE */ | |
87 | /* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ | |
88 | /* OBSOLETE */ | |
89 | /* OBSOLETE /* Sequence of bytes for breakpoint instruction. (bkpt) *x/ */ | |
90 | /* OBSOLETE */ | |
91 | /* OBSOLETE #define BREAKPOINT {0x7d,0x50} */ | |
92 | /* OBSOLETE */ | |
93 | /* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */ | |
94 | /* OBSOLETE This is often the number of bytes in BREAKPOINT but not always. */ | |
95 | /* OBSOLETE (The break PC needs to be decremented by 2, but we do it when the */ | |
96 | /* OBSOLETE break frame is recognized and popped. That way gdb can tell breaks */ | |
97 | /* OBSOLETE from trace traps with certainty.) *x/ */ | |
98 | /* OBSOLETE */ | |
99 | /* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */ | |
100 | /* OBSOLETE */ | |
101 | /* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */ | |
102 | /* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */ | |
103 | /* OBSOLETE real way to know how big a register is. *x/ */ | |
104 | /* OBSOLETE */ | |
105 | /* OBSOLETE #define REGISTER_SIZE 8 */ | |
106 | /* OBSOLETE */ | |
107 | /* OBSOLETE /* Number of machine registers *x/ */ | |
108 | /* OBSOLETE */ | |
109 | /* OBSOLETE #define NUM_REGS 26 */ | |
110 | /* OBSOLETE */ | |
111 | /* OBSOLETE /* Initializer for an array of names of registers. */ | |
112 | /* OBSOLETE There should be NUM_REGS strings in this initializer. *x/ */ | |
113 | /* OBSOLETE */ | |
114 | /* OBSOLETE #define REGISTER_NAMES {"pc","psw","fp","ap","a5","a4","a3","a2","a1","sp",\ */ | |
c5aa993b JM |
115 | /* OBSOLETE "s7","s6","s5","s4","s3","s2","s1","s0",\ */ |
116 | /* OBSOLETE "S7","S6","S5","S4","S3","S2","S1","S0"} */ | |
085dd6e6 JM |
117 | /* OBSOLETE */ |
118 | /* OBSOLETE /* Register numbers of various important registers. */ | |
119 | /* OBSOLETE Note that some of these values are "real" register numbers, */ | |
120 | /* OBSOLETE and correspond to the general registers of the machine, */ | |
121 | /* OBSOLETE and some are "phony" register numbers which are too large */ | |
122 | /* OBSOLETE to be actual register numbers as far as the user is concerned */ | |
123 | /* OBSOLETE but do serve to get the desired values when passed to read_register. *x/ */ | |
124 | /* OBSOLETE */ | |
c5aa993b | 125 | /* OBSOLETE #define S0_REGNUM 25 /* the real S regs *x/ */ |
085dd6e6 | 126 | /* OBSOLETE #define S7_REGNUM 18 */ |
c5aa993b | 127 | /* OBSOLETE #define s0_REGNUM 17 /* low-order halves of S regs *x/ */ |
085dd6e6 | 128 | /* OBSOLETE #define s7_REGNUM 10 */ |
c5aa993b | 129 | /* OBSOLETE #define SP_REGNUM 9 /* A regs *x/ */ |
085dd6e6 JM |
130 | /* OBSOLETE #define A1_REGNUM 8 */ |
131 | /* OBSOLETE #define A5_REGNUM 4 */ | |
132 | /* OBSOLETE #define AP_REGNUM 3 */ | |
c5aa993b JM |
133 | /* OBSOLETE #define FP_REGNUM 2 /* Contains address of executing stack frame *x/ */ |
134 | /* OBSOLETE #define PS_REGNUM 1 /* Contains processor status *x/ */ | |
135 | /* OBSOLETE #define PC_REGNUM 0 /* Contains program counter *x/ */ | |
085dd6e6 JM |
136 | /* OBSOLETE */ |
137 | /* OBSOLETE /* convert dbx stab register number (from `r' declaration) to a gdb REGNUM *x/ */ | |
138 | /* OBSOLETE */ | |
139 | /* OBSOLETE #define STAB_REG_TO_REGNUM(value) \ */ | |
140 | /* OBSOLETE ((value) < 8 ? S0_REGNUM - (value) : SP_REGNUM - ((value) - 8)) */ | |
141 | /* OBSOLETE */ | |
142 | /* OBSOLETE /* Vector register numbers, not handled as ordinary regs. */ | |
143 | /* OBSOLETE They are treated as convenience variables whose values are read */ | |
144 | /* OBSOLETE from the inferior when needed. *x/ */ | |
145 | /* OBSOLETE */ | |
146 | /* OBSOLETE #define V0_REGNUM 0 */ | |
147 | /* OBSOLETE #define V7_REGNUM 7 */ | |
148 | /* OBSOLETE #define VM_REGNUM 8 */ | |
149 | /* OBSOLETE #define VS_REGNUM 9 */ | |
150 | /* OBSOLETE #define VL_REGNUM 10 */ | |
151 | /* OBSOLETE */ | |
152 | /* OBSOLETE /* Total amount of space needed to store our copies of the machine's */ | |
153 | /* OBSOLETE register state, the array `registers'. *x/ */ | |
154 | /* OBSOLETE #define REGISTER_BYTES (4*10 + 8*8) */ | |
155 | /* OBSOLETE */ | |
156 | /* OBSOLETE /* Index within `registers' of the first byte of the space for */ | |
157 | /* OBSOLETE register N. */ | |
158 | /* OBSOLETE NB: must match structure of struct syscall_context for correct operation *x/ */ | |
159 | /* OBSOLETE */ | |
160 | /* OBSOLETE #define REGISTER_BYTE(N) ((N) < s7_REGNUM ? 4*(N) : \ */ | |
c5aa993b JM |
161 | /* OBSOLETE (N) < S7_REGNUM ? 44 + 8 * ((N)-s7_REGNUM) : \ */ |
162 | /* OBSOLETE 40 + 8 * ((N)-S7_REGNUM)) */ | |
085dd6e6 JM |
163 | /* OBSOLETE */ |
164 | /* OBSOLETE /* Number of bytes of storage in the actual machine representation */ | |
165 | /* OBSOLETE for register N. *x/ */ | |
166 | /* OBSOLETE */ | |
167 | /* OBSOLETE #define REGISTER_RAW_SIZE(N) ((N) < S7_REGNUM ? 4 : 8) */ | |
168 | /* OBSOLETE */ | |
169 | /* OBSOLETE /* Number of bytes of storage in the program's representation */ | |
170 | /* OBSOLETE for register N. *x/ */ | |
171 | /* OBSOLETE */ | |
172 | /* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) */ | |
173 | /* OBSOLETE */ | |
174 | /* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. *x/ */ | |
175 | /* OBSOLETE */ | |
176 | /* OBSOLETE #define MAX_REGISTER_RAW_SIZE 8 */ | |
177 | /* OBSOLETE */ | |
178 | /* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. *x/ */ | |
179 | /* OBSOLETE */ | |
180 | /* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 8 */ | |
181 | /* OBSOLETE */ | |
182 | /* OBSOLETE /* Return the GDB type object for the "standard" data type */ | |
183 | /* OBSOLETE of data in register N. *x/ */ | |
184 | /* OBSOLETE */ | |
185 | /* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */ | |
186 | /* OBSOLETE ((N) < S7_REGNUM ? builtin_type_int : builtin_type_long_long) */ | |
187 | /* OBSOLETE */ | |
188 | /* OBSOLETE /* Store the address of the place in which to copy the structure the */ | |
189 | /* OBSOLETE subroutine will return. This is called from call_function. *x/ */ | |
190 | /* OBSOLETE */ | |
191 | /* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \ */ | |
192 | /* OBSOLETE { write_register (A1_REGNUM, (ADDR)); } */ | |
193 | /* OBSOLETE */ | |
194 | /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ | |
195 | /* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */ | |
196 | /* OBSOLETE into VALBUF. *x/ */ | |
197 | /* OBSOLETE */ | |
198 | /* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ | |
199 | /* OBSOLETE memcpy (VALBUF, &((char *) REGBUF) [REGISTER_BYTE (S0_REGNUM) + \ */ | |
c5aa993b JM |
200 | /* OBSOLETE 8 - TYPE_LENGTH (TYPE)],\ */ |
201 | /* OBSOLETE TYPE_LENGTH (TYPE)) */ | |
085dd6e6 JM |
202 | /* OBSOLETE */ |
203 | /* OBSOLETE /* Write into appropriate registers a function return value */ | |
204 | /* OBSOLETE of type TYPE, given in virtual format. *x/ */ | |
205 | /* OBSOLETE */ | |
206 | /* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ | |
207 | /* OBSOLETE write_register_bytes (REGISTER_BYTE (S0_REGNUM), VALBUF, 8) */ | |
208 | /* OBSOLETE */ | |
209 | /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ | |
210 | /* OBSOLETE the address in which a function should return its structure value, */ | |
211 | /* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). *x/ */ | |
212 | /* OBSOLETE */ | |
213 | /* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ */ | |
214 | /* OBSOLETE (*(int *) & ((char *) REGBUF) [REGISTER_BYTE (s0_REGNUM)]) */ | |
215 | /* OBSOLETE */ | |
216 | /* OBSOLETE /* Define trapped internal variable hooks to read and write */ | |
217 | /* OBSOLETE vector and communication registers. *x/ */ | |
218 | /* OBSOLETE */ | |
219 | /* OBSOLETE #define IS_TRAPPED_INTERNALVAR is_trapped_internalvar */ | |
220 | /* OBSOLETE #define VALUE_OF_TRAPPED_INTERNALVAR value_of_trapped_internalvar */ | |
221 | /* OBSOLETE #define SET_TRAPPED_INTERNALVAR set_trapped_internalvar */ | |
222 | /* OBSOLETE */ | |
223 | /* OBSOLETE extern struct value *value_of_trapped_internalvar (); */ | |
224 | /* OBSOLETE */ | |
225 | /* OBSOLETE /* Hooks to read data from soff exec and core files, */ | |
226 | /* OBSOLETE and to describe the files. *x/ */ | |
227 | /* OBSOLETE */ | |
228 | /* OBSOLETE #define FILES_INFO_HOOK print_maps */ | |
229 | /* OBSOLETE */ | |
230 | /* OBSOLETE /* Hook to call to print a typeless integer value, normally printed in decimal. */ | |
231 | /* OBSOLETE For convex, use hex instead if the number looks like an address. *x/ */ | |
232 | /* OBSOLETE */ | |
233 | /* OBSOLETE #define PRINT_TYPELESS_INTEGER decout */ | |
234 | /* OBSOLETE */ | |
235 | /* OBSOLETE /* For the native compiler, variables for a particular lexical context */ | |
236 | /* OBSOLETE are listed after the beginning LBRAC instead of before in the */ | |
237 | /* OBSOLETE executables list of symbols. Using "gcc_compiled." to distinguish */ | |
238 | /* OBSOLETE between GCC and native compiler doesn't work on Convex because the */ | |
239 | /* OBSOLETE linker sorts the symbols to put "gcc_compiled." in the wrong place. */ | |
240 | /* OBSOLETE desc is nonzero for native, zero for gcc. *x/ */ | |
241 | /* OBSOLETE #define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (desc != 0) */ | |
242 | /* OBSOLETE */ | |
243 | /* OBSOLETE /* Pcc occaisionally puts an SO where there should be an SOL. *x/ */ | |
244 | /* OBSOLETE #define PCC_SOL_BROKEN */ | |
245 | /* OBSOLETE \f */ | |
246 | /* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */ | |
247 | /* OBSOLETE (its caller). *x/ */ | |
248 | /* OBSOLETE */ | |
249 | /* OBSOLETE /* FRAME_CHAIN takes a frame_info with a frame's nominal address in fi->frame, */ | |
250 | /* OBSOLETE and produces the frame's chain-pointer. *x/ */ | |
251 | /* OBSOLETE */ | |
252 | /* OBSOLETE /* (caller fp is saved at 8(fp)) *x/ */ | |
253 | /* OBSOLETE */ | |
254 | /* OBSOLETE #define FRAME_CHAIN(fi) (read_memory_integer ((fi)->frame + 8, 4)) */ | |
255 | /* OBSOLETE */ | |
256 | /* OBSOLETE /* Define other aspects of the stack frame. *x/ */ | |
257 | /* OBSOLETE */ | |
258 | /* OBSOLETE /* We need the boundaries of the text in the exec file, as a kludge, */ | |
259 | /* OBSOLETE for FRAMELESS_FUNCTION_INVOCATION and CALL_DUMMY_LOCATION. *x/ */ | |
260 | /* OBSOLETE */ | |
c5aa993b | 261 | /* OBSOLETE #define NEED_TEXT_START_END 1 */ |
085dd6e6 JM |
262 | /* OBSOLETE */ |
263 | /* OBSOLETE /* An expression that tells us whether the function invocation represented */ | |
264 | /* OBSOLETE by FI does not have a frame on the stack associated with it. */ | |
265 | /* OBSOLETE On convex, check at the return address for `callq' -- if so, frameless, */ | |
266 | /* OBSOLETE otherwise, not. *x/ */ | |
267 | /* OBSOLETE */ | |
268 | /* OBSOLETE extern int convex_frameless_function_invocation PARAMS ((struct frame_info *fi)); */ | |
269 | /* OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) (convex_frameless_function_invocatio (FI)) */ | |
270 | /* OBSOLETE */ | |
271 | /* OBSOLETE #define FRAME_SAVED_PC(fi) (read_memory_integer ((fi)->frame, 4)) */ | |
272 | /* OBSOLETE */ | |
273 | /* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) (read_memory_integer ((fi)->frame + 12, 4)) */ | |
274 | /* OBSOLETE */ | |
275 | /* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */ | |
276 | /* OBSOLETE */ | |
277 | /* OBSOLETE /* Return number of args passed to a frame. */ | |
278 | /* OBSOLETE Can return -1, meaning no way to tell. *x/ */ | |
279 | /* OBSOLETE */ | |
280 | /* OBSOLETE extern int convex_frame_num_args PARAMS ((struct frame_info *fi)); */ | |
281 | /* OBSOLETE #define FRAME_NUM_ARGS(fi) (convex_frame_num_args ((fi))) */ | |
282 | /* OBSOLETE */ | |
283 | /* OBSOLETE /* Return number of bytes at start of arglist that are not really args. *x/ */ | |
284 | /* OBSOLETE */ | |
285 | /* OBSOLETE #define FRAME_ARGS_SKIP 0 */ | |
286 | /* OBSOLETE */ | |
287 | /* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */ | |
288 | /* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */ | |
289 | /* OBSOLETE This includes special registers such as pc and fp saved in special */ | |
290 | /* OBSOLETE ways in the stack frame. sp is even more special: */ | |
291 | /* OBSOLETE the address we return for it IS the sp for the next frame. *x/ */ | |
292 | /* OBSOLETE */ | |
293 | /* OBSOLETE /* Normal (short) frames save only PC, FP, (callee's) AP. To reasonably */ | |
294 | /* OBSOLETE handle gcc and pcc register variables, scan the code following the */ | |
295 | /* OBSOLETE call for the instructions the compiler inserts to reload register */ | |
296 | /* OBSOLETE variables from stack slots and record the stack slots as the saved */ | |
297 | /* OBSOLETE locations of those registers. This will occasionally identify some */ | |
298 | /* OBSOLETE random load as a saved register; this is harmless. vc does not */ | |
299 | /* OBSOLETE declare its register allocation actions in the stabs. *x/ */ | |
300 | /* OBSOLETE */ | |
c5aa993b JM |
301 | /* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */ |
302 | /* OBSOLETE { register int regnum; \ */ | |
303 | /* OBSOLETE register int frame_length = /* 3 short, 2 long, 1 extended, 0 context *x/\ */ | |
304 | /* OBSOLETE (read_memory_integer ((frame_info)->frame + 4, 4) >> 25) & 3; \ */ | |
305 | /* OBSOLETE register CORE_ADDR frame_fp = \ */ | |
306 | /* OBSOLETE read_memory_integer ((frame_info)->frame + 8, 4); \ */ | |
307 | /* OBSOLETE register CORE_ADDR next_addr; \ */ | |
308 | /* OBSOLETE memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \ */ | |
309 | /* OBSOLETE (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 0; \ */ | |
310 | /* OBSOLETE (frame_saved_regs).regs[PS_REGNUM] = (frame_info)->frame + 4; \ */ | |
311 | /* OBSOLETE (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame + 8; \ */ | |
312 | /* OBSOLETE (frame_saved_regs).regs[AP_REGNUM] = frame_fp + 12; \ */ | |
313 | /* OBSOLETE next_addr = (frame_info)->frame + 12; \ */ | |
314 | /* OBSOLETE if (frame_length < 3) \ */ | |
315 | /* OBSOLETE for (regnum = A5_REGNUM; regnum < SP_REGNUM; ++regnum) \ */ | |
316 | /* OBSOLETE (frame_saved_regs).regs[regnum] = (next_addr += 4); \ */ | |
317 | /* OBSOLETE if (frame_length < 2) \ */ | |
318 | /* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = (next_addr += 4); \ */ | |
319 | /* OBSOLETE next_addr -= 4; \ */ | |
320 | /* OBSOLETE if (frame_length < 3) \ */ | |
321 | /* OBSOLETE for (regnum = S7_REGNUM; regnum < S0_REGNUM; ++regnum) \ */ | |
322 | /* OBSOLETE (frame_saved_regs).regs[regnum] = (next_addr += 8); \ */ | |
323 | /* OBSOLETE if (frame_length < 2) \ */ | |
324 | /* OBSOLETE (frame_saved_regs).regs[S0_REGNUM] = (next_addr += 8); \ */ | |
325 | /* OBSOLETE else \ */ | |
326 | /* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = next_addr + 8; \ */ | |
327 | /* OBSOLETE if (frame_length == 3) { \ */ | |
328 | /* OBSOLETE CORE_ADDR pc = read_memory_integer ((frame_info)->frame, 4); \ */ | |
329 | /* OBSOLETE int op, ix, disp; \ */ | |
330 | /* OBSOLETE op = read_memory_integer (pc, 2); \ */ | |
331 | /* OBSOLETE if ((op & 0xffc7) == 0x1480) pc += 4; /* add.w #-,sp *x/ \ */ | |
332 | /* OBSOLETE else if ((op & 0xffc7) == 0x58c0) pc += 2; /* add.w #-,sp *x/ \ */ | |
333 | /* OBSOLETE op = read_memory_integer (pc, 2); \ */ | |
334 | /* OBSOLETE if ((op & 0xffc7) == 0x2a06) pc += 4; /* ld.w -,ap *x/ \ */ | |
335 | /* OBSOLETE for (;;) { \ */ | |
336 | /* OBSOLETE op = read_memory_integer (pc, 2); \ */ | |
337 | /* OBSOLETE ix = (op >> 3) & 7; \ */ | |
338 | /* OBSOLETE if ((op & 0xfcc0) == 0x2800) { /* ld.- -,ak *x/ \ */ | |
339 | /* OBSOLETE regnum = SP_REGNUM - (op & 7); \ */ | |
340 | /* OBSOLETE disp = read_memory_integer (pc + 2, 2); \ */ | |
341 | /* OBSOLETE pc += 4;} \ */ | |
342 | /* OBSOLETE else if ((op & 0xfcc0) == 0x2840) { /* ld.- -,ak *x/ \ */ | |
343 | /* OBSOLETE regnum = SP_REGNUM - (op & 7); \ */ | |
344 | /* OBSOLETE disp = read_memory_integer (pc + 2, 4); \ */ | |
345 | /* OBSOLETE pc += 6;} \ */ | |
346 | /* OBSOLETE if ((op & 0xfcc0) == 0x3000) { /* ld.- -,sk *x/ \ */ | |
347 | /* OBSOLETE regnum = S0_REGNUM - (op & 7); \ */ | |
348 | /* OBSOLETE disp = read_memory_integer (pc + 2, 2); \ */ | |
349 | /* OBSOLETE pc += 4;} \ */ | |
350 | /* OBSOLETE else if ((op & 0xfcc0) == 0x3040) { /* ld.- -,sk *x/ \ */ | |
351 | /* OBSOLETE regnum = S0_REGNUM - (op & 7); \ */ | |
352 | /* OBSOLETE disp = read_memory_integer (pc + 2, 4); \ */ | |
353 | /* OBSOLETE pc += 6;} \ */ | |
354 | /* OBSOLETE else if ((op & 0xff00) == 0x7100) { /* br crossjump *x/ \ */ | |
355 | /* OBSOLETE pc += 2 * (char) op; \ */ | |
356 | /* OBSOLETE continue;} \ */ | |
357 | /* OBSOLETE else if (op == 0x0140) { /* jmp crossjump *x/ \ */ | |
358 | /* OBSOLETE pc = read_memory_integer (pc + 2, 4); \ */ | |
359 | /* OBSOLETE continue;} \ */ | |
360 | /* OBSOLETE else break; \ */ | |
361 | /* OBSOLETE if ((frame_saved_regs).regs[regnum]) \ */ | |
362 | /* OBSOLETE break; \ */ | |
363 | /* OBSOLETE if (ix == 7) disp += frame_fp; \ */ | |
364 | /* OBSOLETE else if (ix == 6) disp += read_memory_integer (frame_fp + 12, 4); \ */ | |
365 | /* OBSOLETE else if (ix != 0) break; \ */ | |
366 | /* OBSOLETE (frame_saved_regs).regs[regnum] = \ */ | |
367 | /* OBSOLETE disp - 8 + (1 << ((op >> 8) & 3)); \ */ | |
368 | /* OBSOLETE if (regnum >= S7_REGNUM) \ */ | |
369 | /* OBSOLETE (frame_saved_regs).regs[regnum - S0_REGNUM + s0_REGNUM] = \ */ | |
370 | /* OBSOLETE disp - 4 + (1 << ((op >> 8) & 3)); \ */ | |
371 | /* OBSOLETE } \ */ | |
372 | /* OBSOLETE } \ */ | |
085dd6e6 JM |
373 | /* OBSOLETE } */ |
374 | /* OBSOLETE \f */ | |
375 | /* OBSOLETE /* Things needed for making the inferior call functions. *x/ */ | |
376 | /* OBSOLETE */ | |
c5aa993b | 377 | /* OBSOLETE #define CALL_DUMMY_LOCATION BEFORE_TEXT_END */ |
085dd6e6 JM |
378 | /* OBSOLETE */ |
379 | /* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. *x/ */ | |
380 | /* OBSOLETE */ | |
381 | /* OBSOLETE #define PUSH_DUMMY_FRAME \ */ | |
c5aa993b JM |
382 | /* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */ |
383 | /* OBSOLETE register int regnum; \ */ | |
384 | /* OBSOLETE char buf[8]; \ */ | |
385 | /* OBSOLETE long word; \ */ | |
386 | /* OBSOLETE for (regnum = S0_REGNUM; regnum >= S7_REGNUM; --regnum) { \ */ | |
387 | /* OBSOLETE read_register_bytes (REGISTER_BYTE (regnum), buf, 8); \ */ | |
388 | /* OBSOLETE sp = push_bytes (sp, buf, 8);} \ */ | |
389 | /* OBSOLETE for (regnum = SP_REGNUM; regnum >= FP_REGNUM; --regnum) { \ */ | |
390 | /* OBSOLETE word = read_register (regnum); \ */ | |
391 | /* OBSOLETE sp = push_bytes (sp, &word, 4);} \ */ | |
392 | /* OBSOLETE word = (read_register (PS_REGNUM) &~ (3<<25)) | (1<<25); \ */ | |
393 | /* OBSOLETE sp = push_bytes (sp, &word, 4); \ */ | |
394 | /* OBSOLETE word = read_register (PC_REGNUM); \ */ | |
395 | /* OBSOLETE sp = push_bytes (sp, &word, 4); \ */ | |
396 | /* OBSOLETE write_register (SP_REGNUM, sp); \ */ | |
397 | /* OBSOLETE write_register (FP_REGNUM, sp); \ */ | |
085dd6e6 JM |
398 | /* OBSOLETE write_register (AP_REGNUM, sp);} */ |
399 | /* OBSOLETE */ | |
400 | /* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. *x/ */ | |
401 | /* OBSOLETE */ | |
402 | /* OBSOLETE #define POP_FRAME do {\ */ | |
c5aa993b JM |
403 | /* OBSOLETE register CORE_ADDR fp = read_register (FP_REGNUM); \ */ |
404 | /* OBSOLETE register int regnum; \ */ | |
405 | /* OBSOLETE register int frame_length = /* 3 short, 2 long, 1 extended, 0 context *x/ \ */ | |
085dd6e6 | 406 | /* OBSOLETE (read_memory_integer (fp + 4, 4) >> 25) & 3; \ */ |
c5aa993b | 407 | /* OBSOLETE char buf[8]; \ */ |
085dd6e6 JM |
408 | /* OBSOLETE write_register (PC_REGNUM, read_memory_integer (fp, 4)); \ */ |
409 | /* OBSOLETE write_register (PS_REGNUM, read_memory_integer (fp += 4, 4)); \ */ | |
410 | /* OBSOLETE write_register (FP_REGNUM, read_memory_integer (fp += 4, 4)); \ */ | |
411 | /* OBSOLETE write_register (AP_REGNUM, read_memory_integer (fp += 4, 4)); \ */ | |
c5aa993b | 412 | /* OBSOLETE if (frame_length < 3) \ */ |
085dd6e6 JM |
413 | /* OBSOLETE for (regnum = A5_REGNUM; regnum < SP_REGNUM; ++regnum) \ */ |
414 | /* OBSOLETE write_register (regnum, read_memory_integer (fp += 4, 4)); \ */ | |
c5aa993b | 415 | /* OBSOLETE if (frame_length < 2) \ */ |
085dd6e6 | 416 | /* OBSOLETE write_register (SP_REGNUM, read_memory_integer (fp += 4, 4)); \ */ |
c5aa993b JM |
417 | /* OBSOLETE fp -= 4; \ */ |
418 | /* OBSOLETE if (frame_length < 3) \ */ | |
419 | /* OBSOLETE for (regnum = S7_REGNUM; regnum < S0_REGNUM; ++regnum) { \ */ | |
420 | /* OBSOLETE read_memory (fp += 8, buf, 8); \ */ | |
085dd6e6 | 421 | /* OBSOLETE write_register_bytes (REGISTER_BYTE (regnum), buf, 8);} \ */ |
c5aa993b JM |
422 | /* OBSOLETE if (frame_length < 2) { \ */ |
423 | /* OBSOLETE read_memory (fp += 8, buf, 8); \ */ | |
085dd6e6 | 424 | /* OBSOLETE write_register_bytes (REGISTER_BYTE (regnum), buf, 8);} \ */ |
c5aa993b JM |
425 | /* OBSOLETE else write_register (SP_REGNUM, fp + 8); \ */ |
426 | /* OBSOLETE flush_cached_frames (); \ */ | |
085dd6e6 JM |
427 | /* OBSOLETE } while (0) */ |
428 | /* OBSOLETE */ | |
429 | /* OBSOLETE /* This sequence of words is the instructions */ | |
430 | /* OBSOLETE mov sp,ap */ | |
431 | /* OBSOLETE pshea 69696969 */ | |
432 | /* OBSOLETE calls 32323232 */ | |
433 | /* OBSOLETE bkpt */ | |
434 | /* OBSOLETE Note this is 16 bytes. *x/ */ | |
435 | /* OBSOLETE */ | |
436 | /* OBSOLETE #define CALL_DUMMY {0x50860d4069696969LL,0x2140323232327d50LL} */ | |
437 | /* OBSOLETE */ | |
438 | /* OBSOLETE #define CALL_DUMMY_LENGTH 16 */ | |
439 | /* OBSOLETE */ | |
440 | /* OBSOLETE #define CALL_DUMMY_START_OFFSET 0 */ | |
441 | /* OBSOLETE */ | |
442 | /* OBSOLETE /* Insert the specified number of args and function address */ | |
443 | /* OBSOLETE into a call sequence of the above form stored at DUMMYNAME. *x/ */ | |
444 | /* OBSOLETE */ | |
445 | /* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ | |
c5aa993b | 446 | /* OBSOLETE { *(int *)((char *) dummyname + 4) = nargs; \ */ |
085dd6e6 JM |
447 | /* OBSOLETE *(int *)((char *) dummyname + 10) = fun; } */ |
448 | /* OBSOLETE \f */ | |
449 | /* OBSOLETE /* Defs to read soff symbol tables, see dbxread.c *x/ */ | |
450 | /* OBSOLETE */ | |
451 | /* OBSOLETE #define NUMBER_OF_SYMBOLS ((long) opthdr.o_nsyms) */ | |
452 | /* OBSOLETE #define STRING_TABLE_OFFSET ((long) filehdr.h_strptr) */ | |
453 | /* OBSOLETE #define SYMBOL_TABLE_OFFSET ((long) opthdr.o_symptr) */ | |
454 | /* OBSOLETE #define STRING_TABLE_SIZE ((long) filehdr.h_strsiz) */ | |
455 | /* OBSOLETE #define SIZE_OF_TEXT_SEGMENT ((long) txthdr.s_size) */ | |
456 | /* OBSOLETE #define ENTRY_POINT ((long) opthdr.o_entry) */ | |
457 | /* OBSOLETE */ | |
458 | /* OBSOLETE #define READ_STRING_TABLE_SIZE(BUFFER) \ */ | |
459 | /* OBSOLETE (BUFFER = STRING_TABLE_SIZE) */ | |
460 | /* OBSOLETE */ | |
461 | /* OBSOLETE #define DECLARE_FILE_HEADERS \ */ | |
c5aa993b JM |
462 | /* OBSOLETE FILEHDR filehdr; \ */ |
463 | /* OBSOLETE OPTHDR opthdr; \ */ | |
085dd6e6 JM |
464 | /* OBSOLETE SCNHDR txthdr */ |
465 | /* OBSOLETE */ | |
466 | /* OBSOLETE #define READ_FILE_HEADERS(DESC,NAME) \ */ | |
c5aa993b JM |
467 | /* OBSOLETE { \ */ |
468 | /* OBSOLETE int n; \ */ | |
469 | /* OBSOLETE val = myread (DESC, &filehdr, sizeof filehdr); \ */ | |
470 | /* OBSOLETE if (val < 0) \ */ | |
471 | /* OBSOLETE perror_with_name (NAME); \ */ | |
472 | /* OBSOLETE if (! IS_SOFF_MAGIC (filehdr.h_magic)) \ */ | |
473 | /* OBSOLETE error ("%s: not an executable file.", NAME); \ */ | |
474 | /* OBSOLETE lseek (DESC, 0L, 0); \ */ | |
475 | /* OBSOLETE if (myread (DESC, &filehdr, sizeof filehdr) < 0) \ */ | |
476 | /* OBSOLETE perror_with_name (NAME); \ */ | |
477 | /* OBSOLETE if (myread (DESC, &opthdr, filehdr.h_opthdr) <= 0) \ */ | |
478 | /* OBSOLETE perror_with_name (NAME); \ */ | |
479 | /* OBSOLETE for (n = 0; n < filehdr.h_nscns; n++) \ */ | |
480 | /* OBSOLETE { \ */ | |
481 | /* OBSOLETE if (myread (DESC, &txthdr, sizeof txthdr) < 0) \ */ | |
482 | /* OBSOLETE perror_with_name (NAME); \ */ | |
483 | /* OBSOLETE if ((txthdr.s_flags & S_TYPMASK) == S_TEXT) \ */ | |
484 | /* OBSOLETE break; \ */ | |
485 | /* OBSOLETE } \ */ | |
085dd6e6 | 486 | /* OBSOLETE } */ |