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import gdb-1999-07-07 post reformat
[thirdparty/binutils-gdb.git] / gdb / config / gould / tm-np1.h
CommitLineData
c906108c
SS		 1/* OBSOLETE /* Parameters for targeting on a Gould NP1, for GDB, the GNU debugger. */
2/* OBSOLETE Copyright 1986, 1987, 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 GOULD_NPL */
21/* OBSOLETE */
22/* OBSOLETE #define TARGET_BYTE_ORDER BIG_ENDIAN */
23/* OBSOLETE */
24/* OBSOLETE /* N_ENTRY appears in libraries on Gould machines. */
25/* OBSOLETE Don't know what 0xa4 is; it's mentioned in stab.h */
26/* OBSOLETE but only in the sdb symbol list. *x/ */
27/* OBSOLETE #define IGNORE_SYMBOL(type) (type == N_ENTRY || type == 0xa4) */
28/* OBSOLETE */
29/* OBSOLETE /* We don't want the extra gnu symbols on the machine; */
30/* OBSOLETE they will interfere with the shared segment symbols. *x/ */
31/* OBSOLETE #define NO_GNU_STABS */
32/* OBSOLETE */
33/* OBSOLETE /* Macro for text-offset and data info (in NPL a.out format). *x/ */
c5aa993b
JM		 34/* OBSOLETE #define TEXTINFO \ */
35/* OBSOLETE text_offset = N_TXTOFF (exec_coffhdr, exec_aouthdr); \ */
c906108c
SS		 36/* OBSOLETE exec_data_offset = N_TXTOFF (exec_coffhdr, exec_aouthdr)\ */
37/* OBSOLETE + exec_aouthdr.a_text */
38/* OBSOLETE */
39/* OBSOLETE /* Macro for number of symbol table entries *x/ */
c5aa993b
JM		 40/* OBSOLETE #define NUMBER_OF_SYMBOLS \ */
41/* OBSOLETE (coffhdr.f_nsyms) */
c906108c
SS		 42/* OBSOLETE */
43/* OBSOLETE /* Macro for file-offset of symbol table (in NPL a.out format). *x/ */
c5aa993b
JM		 44/* OBSOLETE #define SYMBOL_TABLE_OFFSET \ */
45/* OBSOLETE N_SYMOFF (coffhdr) */
c906108c
SS		 46/* OBSOLETE */
47/* OBSOLETE /* Macro for file-offset of string table (in NPL a.out format). *x/ */
c5aa993b
JM		 48/* OBSOLETE #define STRING_TABLE_OFFSET \ */
49/* OBSOLETE (N_STROFF (coffhdr)) */
c906108c
SS		 50/* OBSOLETE */
51/* OBSOLETE /* Macro to store the length of the string table data in INTO. *x/ */
c5aa993b
JM		 52/* OBSOLETE #define READ_STRING_TABLE_SIZE(INTO) \ */
53/* OBSOLETE { INTO = hdr.a_stsize; } */
c906108c
SS		 54/* OBSOLETE */
55/* OBSOLETE /* Macro to declare variables to hold the file's header data. *x/ */
c5aa993b
JM		 56/* OBSOLETE #define DECLARE_FILE_HEADERS struct exec hdr; \ */
57/* OBSOLETE FILHDR coffhdr */
c906108c
SS		 58/* OBSOLETE */
59/* OBSOLETE /* Macro to read the header data from descriptor DESC and validate it. */
60/* OBSOLETE NAME is the file name, for error messages. *x/ */
c5aa993b
JM		 61/* OBSOLETE #define READ_FILE_HEADERS(DESC, NAME) \ */
62/* OBSOLETE { val = myread (DESC, &coffhdr, sizeof coffhdr); \ */
63/* OBSOLETE if (val < 0) \ */
64/* OBSOLETE perror_with_name (NAME); \ */
65/* OBSOLETE val = myread (DESC, &hdr, sizeof hdr); \ */
66/* OBSOLETE if (val < 0) \ */
67/* OBSOLETE perror_with_name (NAME); \ */
68/* OBSOLETE if (coffhdr.f_magic != GNP1MAGIC) \ */
69/* OBSOLETE error ("File \"%s\" not in coff executable format.", NAME); \ */
70/* OBSOLETE if (N_BADMAG (hdr)) \ */
c906108c
SS		 71/* OBSOLETE error ("File \"%s\" not in executable format.", NAME); } */
72/* OBSOLETE */
73/* OBSOLETE /* Define COFF and other symbolic names needed on NP1 *x/ */
c5aa993b
JM		 74/* OBSOLETE #define NS32GMAGIC GNP1MAGIC */
75/* OBSOLETE #define NS32SMAGIC GPNMAGIC */
c906108c
SS		 76/* OBSOLETE */
77/* OBSOLETE /* Address of blocks in N_LBRAC and N_RBRAC symbols are absolute addresses, */
78/* OBSOLETE not relative to start of source address. *x/ */
79/* OBSOLETE #define BLOCK_ADDRESS_ABSOLUTE */
80/* OBSOLETE */
81/* OBSOLETE /* Offset from address of function to start of its code. */
82/* OBSOLETE Zero on most machines. *x/ */
c5aa993b 83/* OBSOLETE #define FUNCTION_START_OFFSET 8 */
c906108c
SS		 84/* OBSOLETE */
85/* OBSOLETE /* Advance PC across any function entry prologue instructions */
86/* OBSOLETE to reach some "real" code. One NPL we can have one two startup */
87/* OBSOLETE sequences depending on the size of the local stack: */
88/* OBSOLETE */
89/* OBSOLETE Either: */
90/* OBSOLETE "suabr b2, #" */
91/* OBSOLETE of */
92/* OBSOLETE "lil r4, #", "suabr b2, #(r4)" */
93/* OBSOLETE */
94/* OBSOLETE "lwbr b6, #", "stw r1, 8(b2)" */
95/* OBSOLETE Optional "stwbr b3, c(b2)" */
96/* OBSOLETE Optional "trr r2,r7" (Gould first argument register passing) */
97/* OBSOLETE or */
98/* OBSOLETE Optional "stw r2,8(b3)" (Gould first argument register passing) */
99/* OBSOLETE *x/ */
c5aa993b
JM		 100/* OBSOLETE #define SKIP_PROLOGUE(pc) { \ */
101/* OBSOLETE register int op = read_memory_integer ((pc), 4); \ */
102/* OBSOLETE if ((op & 0xffff0000) == 0xFA0B0000) { \ */
103/* OBSOLETE pc += 4; \ */
104/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
105/* OBSOLETE if ((op & 0xffff0000) == 0x59400000) { \ */
106/* OBSOLETE pc += 4; \ */
107/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
108/* OBSOLETE if ((op & 0xffff0000) == 0x5F000000) { \ */
109/* OBSOLETE pc += 4; \ */
110/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
111/* OBSOLETE if (op == 0xD4820008) { \ */
112/* OBSOLETE pc += 4; \ */
113/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
114/* OBSOLETE if (op == 0x5582000C) { \ */
115/* OBSOLETE pc += 4; \ */
116/* OBSOLETE op = read_memory_integer ((pc), 2); \ */
117/* OBSOLETE if (op == 0x2fa0) { \ */
118/* OBSOLETE pc += 2; \ */
119/* OBSOLETE } else { \ */
120/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
121/* OBSOLETE if (op == 0xd5030008) { \ */
122/* OBSOLETE pc += 4; \ */
123/* OBSOLETE } \ */
124/* OBSOLETE } \ */
125/* OBSOLETE } else { \ */
126/* OBSOLETE op = read_memory_integer ((pc), 2); \ */
127/* OBSOLETE if (op == 0x2fa0) { \ */
128/* OBSOLETE pc += 2; \ */
129/* OBSOLETE } \ */
130/* OBSOLETE } \ */
131/* OBSOLETE } \ */
132/* OBSOLETE } \ */
133/* OBSOLETE } \ */
134/* OBSOLETE } \ */
135/* OBSOLETE if ((op & 0xffff0000) == 0x59000000) { \ */
136/* OBSOLETE pc += 4; \ */
137/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
138/* OBSOLETE if ((op & 0xffff0000) == 0x5F000000) { \ */
139/* OBSOLETE pc += 4; \ */
140/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
141/* OBSOLETE if (op == 0xD4820008) { \ */
142/* OBSOLETE pc += 4; \ */
143/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
144/* OBSOLETE if (op == 0x5582000C) { \ */
145/* OBSOLETE pc += 4; \ */
146/* OBSOLETE op = read_memory_integer ((pc), 2); \ */
147/* OBSOLETE if (op == 0x2fa0) { \ */
148/* OBSOLETE pc += 2; \ */
149/* OBSOLETE } else { \ */
150/* OBSOLETE op = read_memory_integer ((pc), 4); \ */
151/* OBSOLETE if (op == 0xd5030008) { \ */
152/* OBSOLETE pc += 4; \ */
153/* OBSOLETE } \ */
154/* OBSOLETE } \ */
155/* OBSOLETE } else { \ */
156/* OBSOLETE op = read_memory_integer ((pc), 2); \ */
157/* OBSOLETE if (op == 0x2fa0) { \ */
158/* OBSOLETE pc += 2; \ */
159/* OBSOLETE } \ */
160/* OBSOLETE } \ */
161/* OBSOLETE } \ */
162/* OBSOLETE } \ */
163/* OBSOLETE } \ */
c906108c
SS		 164/* OBSOLETE } */
165/* OBSOLETE */
166/* OBSOLETE /* Immediately after a function call, return the saved pc. */
167/* OBSOLETE Can't go through the frames for this because on some machines */
168/* OBSOLETE the new frame is not set up until the new function executes */
169/* OBSOLETE some instructions. True on NPL! Return address is in R1. */
170/* OBSOLETE The true return address is REALLY 4 past that location! *x/ */
171/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */
c5aa993b 172/* OBSOLETE (read_register(R1_REGNUM) + 4) */
c906108c
SS		 173/* OBSOLETE */
174/* OBSOLETE /* Address of end of stack space. *x/ */
c5aa993b 175/* OBSOLETE #define STACK_END_ADDR 0x7fffc000 */
c906108c
SS		 176/* OBSOLETE */
177/* OBSOLETE /* Stack grows downward. *x/ */
178/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */
179/* OBSOLETE */
180/* OBSOLETE /* Sequence of bytes for breakpoint instruction. */
181/* OBSOLETE This is padded out to the size of a machine word. When it was just */
182/* OBSOLETE {0x28, 0x09} it gave problems if hit breakpoint on returning from a */
183/* OBSOLETE function call. *x/ */
c5aa993b 184/* OBSOLETE #define BREAKPOINT {0x28, 0x09, 0x0, 0x0} */
c906108c
SS		 185/* OBSOLETE */
186/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */
187/* OBSOLETE This is often the number of bytes in BREAKPOINT */
188/* OBSOLETE but not always. *x/ */
c5aa993b 189/* OBSOLETE #define DECR_PC_AFTER_BREAK 2 */
c906108c
SS		 190/* OBSOLETE */
191/* OBSOLETE /* Return 1 if P points to an invalid floating point value. *x/ */
c5aa993b 192/* OBSOLETE #define INVALID_FLOAT(p, len) ((*(short *)p & 0xff80) == 0x8000) */
c906108c
SS		 193/* OBSOLETE */
194/* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */
195/* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */
196/* OBSOLETE real way to know how big a register is. *x/ */
197/* OBSOLETE */
198/* OBSOLETE #define REGISTER_SIZE 4 */
199/* OBSOLETE */
200/* OBSOLETE /* Size of bytes of vector register (NP1 only), 32 elements * sizeof(int) *x/ */
c5aa993b 201/* OBSOLETE #define VR_SIZE 128 */
c906108c
SS		 202/* OBSOLETE */
203/* OBSOLETE /* Number of machine registers *x/ */
c5aa993b
JM		 204/* OBSOLETE #define NUM_REGS 27 */
205/* OBSOLETE #define NUM_GEN_REGS 16 */
206/* OBSOLETE #define NUM_CPU_REGS 4 */
207/* OBSOLETE #define NUM_VECTOR_REGS 7 */
c906108c
SS		 208/* OBSOLETE */
209/* OBSOLETE /* Initializer for an array of names of registers. */
210/* OBSOLETE There should be NUM_REGS strings in this initializer. *x/ */
211/* OBSOLETE #define REGISTER_NAMES { \ */
212/* OBSOLETE "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */
213/* OBSOLETE "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", \ */
214/* OBSOLETE "sp", "ps", "pc", "ve", \ */
215/* OBSOLETE "v1", "v2", "v3", "v4", "v5", "v6", "v7", \ */
216/* OBSOLETE } */
217/* OBSOLETE */
218/* OBSOLETE /* Register numbers of various important registers. */
219/* OBSOLETE Note that some of these values are "real" register numbers, */
220/* OBSOLETE and correspond to the general registers of the machine, */
221/* OBSOLETE and some are "phony" register numbers which are too large */
222/* OBSOLETE to be actual register numbers as far as the user is concerned */
223/* OBSOLETE but do serve to get the desired values when passed to read_register. *x/ */
c5aa993b
JM		 224/* OBSOLETE #define R1_REGNUM 1 /* Gr1 => return address of caller *x/ */
225/* OBSOLETE #define R2_REGNUM 2 /* Gr2 => return value from function *x/ */
226/* OBSOLETE #define R4_REGNUM 4 /* Gr4 => register save area *x/ */
227/* OBSOLETE #define R5_REGNUM 5 /* Gr5 => register save area *x/ */
228/* OBSOLETE #define R6_REGNUM 6 /* Gr6 => register save area *x/ */
229/* OBSOLETE #define R7_REGNUM 7 /* Gr7 => register save area *x/ */
230/* OBSOLETE #define B1_REGNUM 9 /* Br1 => start of this code routine *x/ */
231/* OBSOLETE #define SP_REGNUM 10 /* Br2 == (sp) *x/ */
232/* OBSOLETE #define AP_REGNUM 11 /* Br3 == (ap) *x/ */
233/* OBSOLETE #define FP_REGNUM 16 /* A copy of Br2 saved in trap *x/ */
234/* OBSOLETE #define PS_REGNUM 17 /* Contains processor status *x/ */
235/* OBSOLETE #define PC_REGNUM 18 /* Contains program counter *x/ */
236/* OBSOLETE #define VE_REGNUM 19 /* Vector end (user setup) register *x/ */
237/* OBSOLETE #define V1_REGNUM 20 /* First vector register *x/ */
238/* OBSOLETE #define V7_REGNUM 26 /* First vector register *x/ */
c906108c
SS		 239/* OBSOLETE */
240/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */
241/* OBSOLETE register state, the array `registers'. *x/ */
242/* OBSOLETE #define REGISTER_BYTES \ */
c5aa993b 243/* OBSOLETE (NUM_GEN_REGS*4 + NUM_VECTOR_REGS*VR_SIZE + NUM_CPU_REGS*4) */
c906108c
SS		 244/* OBSOLETE */
245/* OBSOLETE /* Index within `registers' of the first byte of the space for */
246/* OBSOLETE register N. *x/ */
247/* OBSOLETE #define REGISTER_BYTE(N) \ */
c5aa993b 248/* OBSOLETE (((N) < V1_REGNUM) ? ((N) * 4) : (((N) - V1_REGNUM) * VR_SIZE) + 80) */
c906108c
SS		 249/* OBSOLETE */
250/* OBSOLETE /* Number of bytes of storage in the actual machine representation */
251/* OBSOLETE for register N. On the NP1, all normal regs are 4 bytes, but */
252/* OBSOLETE the vector registers are VR_SIZE*4 bytes long. *x/ */
253/* OBSOLETE #define REGISTER_RAW_SIZE(N) \ */
c5aa993b 254/* OBSOLETE (((N) < V1_REGNUM) ? 4 : VR_SIZE) */
c906108c
SS		 255/* OBSOLETE */
256/* OBSOLETE /* Number of bytes of storage in the program's representation */
257/* OBSOLETE for register N. On the NP1, all regs are 4 bytes. *x/ */
258/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) \ */
c5aa993b 259/* OBSOLETE (((N) < V1_REGNUM) ? 4 : VR_SIZE) */
c906108c
SS		 260/* OBSOLETE */
261/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. *x/ */
c5aa993b 262/* OBSOLETE #define MAX_REGISTER_RAW_SIZE VR_SIZE */
c906108c
SS		 263/* OBSOLETE */
264/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. *x/ */
c5aa993b 265/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE VR_SIZE */
c906108c
SS		 266/* OBSOLETE */
267/* OBSOLETE /* Return the GDB type object for the "standard" data type */
268/* OBSOLETE of data in register N. *x/ */
c5aa993b 269/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */
c906108c
SS		 270/* OBSOLETE ((N) > VE_REGNUM ? builtin_type_np1_vector : builtin_type_int) */
271/* OBSOLETE extern struct type *builtin_type_np1_vector; */
272/* OBSOLETE */
273/* OBSOLETE /* Store the address of the place in which to copy the structure the */
274/* OBSOLETE subroutine will return. This is called from call_function. */
275/* OBSOLETE */
276/* OBSOLETE On this machine this is a no-op, because gcc isn't used on it */
277/* OBSOLETE yet. So this calling convention is not used. *x/ */
278/* OBSOLETE */
279/* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) push_word(SP + 8, ADDR) */
280/* OBSOLETE */
281/* OBSOLETE /* Extract from an arrary REGBUF containing the (raw) register state */
282/* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */
283/* OBSOLETE into VALBUF. *x/ */
284/* OBSOLETE */
285/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */
c5aa993b 286/* OBSOLETE memcpy (VALBUF, ((int *)(REGBUF)) + 2, TYPE_LENGTH (TYPE)) */
c906108c
SS		 287/* OBSOLETE */
288/* OBSOLETE /* Write into appropriate registers a function return value */
289/* OBSOLETE of type TYPE, given in virtual format. *x/ */
290/* OBSOLETE */
291/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */
c5aa993b
JM		 292/* OBSOLETE write_register_bytes (REGISTER_BYTE (R2_REGNUM), VALBUF, \ */
293/* OBSOLETE TYPE_LENGTH (TYPE)) */
c906108c
SS		 294/* OBSOLETE */
295/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
296/* OBSOLETE the address in which a function should return its structure value, */
297/* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). *x/ */
298/* OBSOLETE */
299/* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*((int *)(REGBUF) + 2)) */
300/* OBSOLETE */
301/* OBSOLETE /* Both gcc and cc return small structs in registers (i.e. in GDB */
302/* OBSOLETE terminology, small structs don't use the struct return convention). *x/ */
303/* OBSOLETE extern use_struct_convention_fn gould_use_struct_convention; */
304/* OBSOLETE #define USE_STRUCT_CONVENTION(gcc_p, type) gould_use_struct_convention (gcc_p, type) */
305/* OBSOLETE \f */
306/* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */
307/* OBSOLETE (its caller). *x/ */
308/* OBSOLETE */
309/* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */
310/* OBSOLETE and produces the frame's chain-pointer. */
311/* OBSOLETE */
312/* OBSOLETE However, if FRAME_CHAIN_VALID returns zero, */
313/* OBSOLETE it means the given frame is the outermost one and has no caller. *x/ */
314/* OBSOLETE */
315/* OBSOLETE /* In the case of the NPL, the frame's norminal address is Br2 and the */
316/* OBSOLETE previous routines frame is up the stack X bytes, where X is the */
317/* OBSOLETE value stored in the code function header xA(Br1). *x/ */
c5aa993b 318/* OBSOLETE #define FRAME_CHAIN(thisframe) (findframe(thisframe)) */
c906108c
SS		 319/* OBSOLETE */
320/* OBSOLETE extern int gould_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *)); */
321/* OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) gould_frame_chain_valid (chain, thisframe) */
322/* OBSOLETE */
323/* OBSOLETE /* Define other aspects of the stack frame on NPL. *x/ */
324/* OBSOLETE #define FRAME_SAVED_PC(FRAME) \ */
c5aa993b 325/* OBSOLETE (read_memory_integer ((FRAME)->frame + 8, 4)) */
c906108c
SS		 326/* OBSOLETE */
327/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) \ */
c5aa993b
JM		 328/* OBSOLETE ((fi)->next ? \ */
329/* OBSOLETE read_memory_integer ((fi)->frame + 12, 4) : \ */
330/* OBSOLETE read_register (AP_REGNUM)) */
c906108c 331/* OBSOLETE */
c5aa993b 332/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) */
c906108c
SS		 333/* OBSOLETE */
334/* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */
335/* OBSOLETE Can set VAL to -1, meaning no way to tell. *x/ */
336/* OBSOLETE */
337/* OBSOLETE /* We can check the stab info to see how */
338/* OBSOLETE many arg we have. No info in stack will tell us *x/ */
c5aa993b 339/* OBSOLETE #define FRAME_NUM_ARGS(fi) (findarg(fi)) */
c906108c
SS		 340/* OBSOLETE */
341/* OBSOLETE /* Return number of bytes at start of arglist that are not really args. *x/ */
c5aa993b 342/* OBSOLETE #define FRAME_ARGS_SKIP 8 */
c906108c
SS		 343/* OBSOLETE */
344/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
345/* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */
346/* OBSOLETE This includes special registers such as pc and fp saved in special */
347/* OBSOLETE ways in the stack frame. sp is even more special: */
348/* OBSOLETE the address we return for it IS the sp for the next frame. *x/ */
349/* OBSOLETE */
c5aa993b 350/* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */
c906108c 351/* OBSOLETE { \ */
c5aa993b 352/* OBSOLETE memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \ */
c906108c 353/* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = framechain (frame_info); \ */
c5aa993b
JM		 354/* OBSOLETE (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 8; \ */
355/* OBSOLETE (frame_saved_regs).regs[R4_REGNUM] = (frame_info)->frame + 0x30; \ */
356/* OBSOLETE (frame_saved_regs).regs[R5_REGNUM] = (frame_info)->frame + 0x34; \ */
357/* OBSOLETE (frame_saved_regs).regs[R6_REGNUM] = (frame_info)->frame + 0x38; \ */
358/* OBSOLETE (frame_saved_regs).regs[R7_REGNUM] = (frame_info)->frame + 0x3C; \ */
c906108c
SS		 359/* OBSOLETE } */
360/* OBSOLETE \f */
361/* OBSOLETE /* Things needed for making the inferior call functions. *x/ */
362/* OBSOLETE */
c5aa993b
JM		 363/* OBSOLETE #define CALL_DUMMY_LOCATION BEFORE_TEXT_END */
364/* OBSOLETE #define NEED_TEXT_START_END 1 */
c906108c
SS		 365/* OBSOLETE */
366/* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. *x/ */
367/* OBSOLETE */
368/* OBSOLETE #define PUSH_DUMMY_FRAME \ */
369/* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */
370/* OBSOLETE register int regnum; \ */
371/* OBSOLETE for (regnum = 0; regnum < FP_REGNUM; regnum++) \ */
372/* OBSOLETE sp = push_word (sp, read_register (regnum)); \ */
373/* OBSOLETE sp = push_word (sp, read_register (PS_REGNUM)); \ */
374/* OBSOLETE sp = push_word (sp, read_register (PC_REGNUM)); \ */
375/* OBSOLETE write_register (SP_REGNUM, sp);} */
376/* OBSOLETE */
377/* OBSOLETE /* Discard from the stack the innermost frame, */
378/* OBSOLETE restoring all saved registers. *x/ */
379/* OBSOLETE /* FIXME: Should be using {store,extract}_unsigned_integer. *x/ */
380/* OBSOLETE */
381/* OBSOLETE #define POP_FRAME \ */
382/* OBSOLETE { CORE_ADDR sp = read_register(SP_REGNUM); \ */
383/* OBSOLETE ULONGEST reg; \ */
384/* OBSOLETE int regnum; \ */
385/* OBSOLETE for(regnum = 0;regnum < FP_REGNUM;regnum++){ \ */
386/* OBSOLETE sp-=REGISTER_SIZE; \ */
387/* OBSOLETE read_memory(sp,&reg,REGISTER_SIZE); \ */
388/* OBSOLETE write_register(regnum,reg);} \ */
389/* OBSOLETE sp-=REGISTER_SIZE; \ */
390/* OBSOLETE read_memory(sp,&reg,REGISTER_SIZE); \ */
391/* OBSOLETE write_register(PS_REGNUM,reg); \ */
392/* OBSOLETE sp-=REGISTER_SIZE; \ */
393/* OBSOLETE read_memory(sp,&reg,REGISTER_SIZE); \ */
394/* OBSOLETE write_register(PC_REGNUM,reg);} */
395/* OBSOLETE */
396/* OBSOLETE /* MJD - Size of dummy frame pushed onto stack by PUSH_DUMMY_FRAME *x/ */
397/* OBSOLETE */
398/* OBSOLETE #define DUMMY_FRAME_SIZE (0x48) */
399/* OBSOLETE */
400/* OBSOLETE /* MJD - The sequence of words in the instructions is */
401/* OBSOLETE halt */
402/* OBSOLETE halt */
403/* OBSOLETE halt */
404/* OBSOLETE halt */
405/* OBSOLETE subr b2,stack size,0 grab stack space for dummy call */
406/* OBSOLETE labr b3,x0(b2),0 set AP_REGNUM to point at arguments */
407/* OBSOLETE lw r2,x8(b3),0 load r2 with first argument */
408/* OBSOLETE lwbr b1,arguments size(b2),0 load address of function to be called */
409/* OBSOLETE brlnk r1,x8(b1),0 call function */
410/* OBSOLETE halt */
411/* OBSOLETE halt */
412/* OBSOLETE labr b2,stack size(b2),0 give back stack */
413/* OBSOLETE break break */
414/* OBSOLETE *x/ */
415/* OBSOLETE */
416/* OBSOLETE #define CALL_DUMMY {0x00000000, \ */
c5aa993b
JM		 417/* OBSOLETE 0x00000000, \ */
418/* OBSOLETE 0x59000000, \ */
419/* OBSOLETE 0x598a0000, \ */
420/* OBSOLETE 0xb5030008, \ */
421/* OBSOLETE 0x5c820000, \ */
422/* OBSOLETE 0x44810008, \ */
423/* OBSOLETE 0x00000000, \ */
424/* OBSOLETE 0x590a0000, \ */
425/* OBSOLETE 0x28090000 } */
c906108c
SS		 426/* OBSOLETE */
427/* OBSOLETE #define CALL_DUMMY_LENGTH 40 */
428/* OBSOLETE */
429/* OBSOLETE #define CALL_DUMMY_START_OFFSET 8 */
430/* OBSOLETE */
431/* OBSOLETE #define CALL_DUMMY_STACK_ADJUST 8 */
432/* OBSOLETE */
433/* OBSOLETE /* MJD - Fixup CALL_DUMMY for the specific function call. */
434/* OBSOLETE OK heres the problems */
435/* OBSOLETE 1) On a trap there are two copies of the stack pointer, one in SP_REGNUM */
436/* OBSOLETE which is read/write and one in FP_REGNUM which is only read. It seems */
437/* OBSOLETE that when restarting the GOULD NP1 uses FP_REGNUM's value. */
438/* OBSOLETE 2) Loading function address into b1 looks a bit difficult if bigger than */
439/* OBSOLETE 0x0000fffc, infact from what I can tell the compiler sets up table of */
440/* OBSOLETE function address in base3 through which function calls are referenced. */
441/* OBSOLETE */
442/* OBSOLETE OK my solutions */
443/* OBSOLETE Calculate the size of the dummy stack frame and do adjustments of */
444/* OBSOLETE SP_REGNUM in the dummy call. */
445/* OBSOLETE Push function address onto the stack and load it in the dummy call */
446/* OBSOLETE *x/ */
447/* OBSOLETE */
448/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, sp, fun, nargs, args, type, gcc_p) \ */
449/* OBSOLETE { int i;\ */
450/* OBSOLETE int arg_len = 0, total_len;\ */
451/* OBSOLETE old_sp = push_word(old_sp,fun);\ */
452/* OBSOLETE for(i = nargs - 1;i >= 0;i--)\ */
c5aa993b 453/* OBSOLETE arg_len += TYPE_LENGTH (VALUE_TYPE (value_arg_coerce (args[i])));\ */
c906108c 454/* OBSOLETE if(struct_return)\ */
c5aa993b 455/* OBSOLETE arg_len += TYPE_LENGTH(value_type);\ */
c906108c
SS		 456/* OBSOLETE total_len = DUMMY_FRAME_SIZE+CALL_DUMMY_STACK_ADJUST+4+arg_len;\ */
457/* OBSOLETE dummyname[0] += total_len;\ */
458/* OBSOLETE dummyname[2] += total_len;\ */
459/* OBSOLETE dummyname[5] += arg_len+CALL_DUMMY_STACK_ADJUST;\ */
460/* OBSOLETE dummyname[8] += total_len;} */
461/* OBSOLETE */
462/* OBSOLETE /* MJD - So the stack should end up looking like this */
463/* OBSOLETE */
464/* OBSOLETE | Normal stack frame | */
465/* OBSOLETE | from normal program | */
466/* OBSOLETE | flow | */
467/* OBSOLETE +---------------------+ <- Final sp - 0x08 - argument size */
468/* OBSOLETE | | - 0x4 - dummy_frame_size */
469/* OBSOLETE | Pushed dummy frame | */
470/* OBSOLETE | b0-b7, r0-r7 | */
471/* OBSOLETE | pc and ps | */
472/* OBSOLETE | | */
473/* OBSOLETE +---------------------+ */
474/* OBSOLETE | Function address | */
475/* OBSOLETE +---------------------+ <- Final sp - 0x8 - arguments size */
476/* OBSOLETE | | */
477/* OBSOLETE | | */
478/* OBSOLETE | | */
479/* OBSOLETE | Arguments to | */
480/* OBSOLETE | Function | */
481/* OBSOLETE | | */
482/* OBSOLETE | | */
483/* OBSOLETE | | */
484/* OBSOLETE +---------------------+ <- Final sp - 0x8 */
485/* OBSOLETE | Dummy_stack_adjust | */
486/* OBSOLETE +---------------------+ <- Final sp */
487/* OBSOLETE | | */
488/* OBSOLETE | where call will | */
489/* OBSOLETE | build frame | */
490/* OBSOLETE *x/ */
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