| /* OBSOLETE /* Parameters for targe of a Gould Powernode, for GDB, the GNU debugger. */ |
| /* OBSOLETE Copyright 1986, 1987, 1989, 1991, 1993 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, Boston, MA 02111-1307, USA. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define GOULD_PN */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define TARGET_BYTE_ORDER BIG_ENDIAN */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* This code appears in libraries on Gould machines. Ignore it. *x/ */ |
| /* OBSOLETE #define IGNORE_SYMBOL(type) (type == N_ENTRY) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* We don't want the extra gnu symbols on the machine; */ |
| /* OBSOLETE they will interfere with the shared segment symbols. *x/ */ |
| /* OBSOLETE #define NO_GNU_STABS */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro for text-offset and data info (in PN a.out format). *x/ */ |
| /* OBSOLETE #define TEXTINFO \ */ |
| /* OBSOLETE text_offset = N_TXTOFF (exec_coffhdr); \ */ |
| /* OBSOLETE exec_data_offset = N_TXTOFF (exec_coffhdr) \ */ |
| /* OBSOLETE + exec_aouthdr.a_text */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro for number of symbol table entries (this used to be checked */ |
| /* OBSOLETE in dbxread.c and caused the last psymtab to use this as the end of */ |
| /* OBSOLETE text. I'm not sure whether it would still be necessary). *x/ */ |
| /* OBSOLETE #define END_OF_TEXT_DEFAULT \ */ |
| /* OBSOLETE (0xffffff) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro for number of symbol table entries *x/ */ |
| /* OBSOLETE #define NUMBER_OF_SYMBOLS \ */ |
| /* OBSOLETE (coffhdr.f_nsyms) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro for file-offset of symbol table (in usual a.out format). *x/ */ |
| /* OBSOLETE #define SYMBOL_TABLE_OFFSET \ */ |
| /* OBSOLETE N_SYMOFF (coffhdr) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro for file-offset of string table (in usual a.out format). *x/ */ |
| /* OBSOLETE #define STRING_TABLE_OFFSET \ */ |
| /* OBSOLETE (N_STROFF (coffhdr) + sizeof(int)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro to store the length of the string table data in INTO. *x/ */ |
| /* OBSOLETE #define READ_STRING_TABLE_SIZE(INTO) \ */ |
| /* OBSOLETE { INTO = hdr.a_stsize; } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro to declare variables to hold the file's header data. *x/ */ |
| /* OBSOLETE #define DECLARE_FILE_HEADERS struct old_exec hdr; \ */ |
| /* OBSOLETE FILHDR coffhdr */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Macro to read the header data from descriptor DESC and validate it. */ |
| /* OBSOLETE NAME is the file name, for error messages. *x/ */ |
| /* OBSOLETE #define READ_FILE_HEADERS(DESC, NAME) \ */ |
| /* OBSOLETE { val = myread (DESC, &coffhdr, sizeof coffhdr); \ */ |
| /* OBSOLETE if (val < 0) \ */ |
| /* OBSOLETE perror_with_name (NAME); \ */ |
| /* OBSOLETE val = myread (DESC, &hdr, sizeof hdr); \ */ |
| /* OBSOLETE if (val < 0) \ */ |
| /* OBSOLETE perror_with_name (NAME); \ */ |
| /* OBSOLETE if (coffhdr.f_magic != GNP1MAGIC) \ */ |
| /* OBSOLETE error ("File \"%s\" not in coff executable format.", NAME); \ */ |
| /* OBSOLETE if (N_BADMAG (hdr)) \ */ |
| /* OBSOLETE error ("File \"%s\" not in executable format.", NAME); } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Define COFF and other symbolic names needed on NP1 *x/ */ |
| /* OBSOLETE #define NS32GMAGIC GDPMAGIC */ |
| /* OBSOLETE #define NS32SMAGIC PN_MAGIC */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Offset from address of function to start of its code. */ |
| /* OBSOLETE Zero on most machines. *x/ */ |
| /* OBSOLETE #define FUNCTION_START_OFFSET 4 */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Advance PC across any function entry prologue instructions */ |
| /* OBSOLETE to reach some "real" code. One PN we can have one or two startup */ |
| /* OBSOLETE sequences depending on the size of the local stack: */ |
| /* OBSOLETE */ |
| /* OBSOLETE Either: */ |
| /* OBSOLETE "suabr b2, #" */ |
| /* OBSOLETE of */ |
| /* OBSOLETE "lil r4, #", "suabr b2, #(r4)" */ |
| /* OBSOLETE */ |
| /* OBSOLETE "lwbr b6, #", "stw r1, 8(b2)" */ |
| /* OBSOLETE Optional "stwbr b3, c(b2)" */ |
| /* OBSOLETE Optional "trr r2,r7" (Gould first argument register passing) */ |
| /* OBSOLETE or */ |
| /* OBSOLETE Optional "stw r2,8(b3)" (Gould first argument register passing) */ |
| /* OBSOLETE *x/ */ |
| /* OBSOLETE #define SKIP_PROLOGUE(pc) { \ */ |
| /* OBSOLETE register int op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if ((op & 0xffff0000) == 0x580B0000) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if ((op & 0xffff0000) == 0x59400000) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if ((op & 0xffff0000) == 0x5F000000) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if (op == 0xD4820008) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if (op == 0x5582000C) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 2); \ */ |
| /* OBSOLETE if (op == 0x2fa0) { \ */ |
| /* OBSOLETE pc += 2; \ */ |
| /* OBSOLETE } else { \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if (op == 0xd5030008) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } else { \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 2); \ */ |
| /* OBSOLETE if (op == 0x2fa0) { \ */ |
| /* OBSOLETE pc += 2; \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE if ((op & 0xffff0000) == 0x59000000) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if ((op & 0xffff0000) == 0x5F000000) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if (op == 0xD4820008) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if (op == 0x5582000C) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 2); \ */ |
| /* OBSOLETE if (op == 0x2fa0) { \ */ |
| /* OBSOLETE pc += 2; \ */ |
| /* OBSOLETE } else { \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 4); \ */ |
| /* OBSOLETE if (op == 0xd5030008) { \ */ |
| /* OBSOLETE pc += 4; \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } else { \ */ |
| /* OBSOLETE op = read_memory_integer ((pc), 2); \ */ |
| /* OBSOLETE if (op == 0x2fa0) { \ */ |
| /* OBSOLETE pc += 2; \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } \ */ |
| /* OBSOLETE } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Immediately after a function call, return the saved pc. */ |
| /* OBSOLETE Can't 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. True on PN! Return address is in R1. */ |
| /* OBSOLETE Note: true return location is 4 bytes past R1! *x/ */ |
| /* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */ |
| /* OBSOLETE (read_register(R1_REGNUM) + 4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Address of end of stack space. *x/ */ |
| /* OBSOLETE #define STACK_END_ADDR 0x480000 */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Stack grows downward. *x/ */ |
| /* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Sequence of bytes for breakpoint instruction. *x/ */ |
| /* OBSOLETE #define BREAKPOINT {0x28, 0x09} */ |
| /* 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. *x/ */ |
| /* OBSOLETE #define DECR_PC_AFTER_BREAK 2 */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Return 1 if P points to an invalid floating point value. *x/ */ |
| /* OBSOLETE #define INVALID_FLOAT(p, len) ((*(short *)p & 0xff80) == 0x8000) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */ |
| /* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */ |
| /* OBSOLETE real way to know how big a register is. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define REGISTER_SIZE 4 */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Number of machine registers *x/ */ |
| /* OBSOLETE #define NUM_REGS 19 */ |
| /* OBSOLETE #define NUM_GEN_REGS 16 */ |
| /* OBSOLETE #define NUM_CPU_REGS 3 */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Initializer for an array of names of registers. */ |
| /* OBSOLETE There should be NUM_REGS strings in this initializer. *x/ */ |
| /* OBSOLETE #define REGISTER_NAMES { \ */ |
| /* OBSOLETE "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */ |
| /* OBSOLETE "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", \ */ |
| /* OBSOLETE "sp", "ps", "pc", \ */ |
| /* OBSOLETE } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Register numbers of various important registers. */ |
| /* OBSOLETE Note that some of these values are "real" register numbers, */ |
| /* OBSOLETE and correspond to the general registers of the machine, */ |
| /* OBSOLETE and some are "phony" register numbers which are too large */ |
| /* OBSOLETE to be actual register numbers as far as the user is concerned */ |
| /* OBSOLETE but do serve to get the desired values when passed to read_register. *x/ */ |
| /* OBSOLETE #define R1_REGNUM 1 /* Gr1 => return address of caller *x/ */ |
| /* OBSOLETE #define R4_REGNUM 4 /* Gr4 => register save area *x/ */ |
| /* OBSOLETE #define R5_REGNUM 5 /* Gr5 => register save area *x/ */ |
| /* OBSOLETE #define R6_REGNUM 6 /* Gr6 => register save area *x/ */ |
| /* OBSOLETE #define R7_REGNUM 7 /* Gr7 => register save area *x/ */ |
| /* OBSOLETE #define B1_REGNUM 9 /* Br1 => start of this code routine *x/ */ |
| /* OBSOLETE #define FP_REGNUM 10 /* Br2 == (sp) *x/ */ |
| /* OBSOLETE #define AP_REGNUM 11 /* Br3 == (ap) *x/ */ |
| /* OBSOLETE #define SP_REGNUM 16 /* A copy of Br2 saved in trap *x/ */ |
| /* OBSOLETE #define PS_REGNUM 17 /* Contains processor status *x/ */ |
| /* OBSOLETE #define PC_REGNUM 18 /* Contains program counter *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Total amount of space needed to store our copies of the machine's */ |
| /* OBSOLETE register state, the array `registers'. *x/ */ |
| /* OBSOLETE #define REGISTER_BYTES (NUM_GEN_REGS*4 + NUM_CPU_REGS*4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Index within `registers' of the first byte of the space for */ |
| /* OBSOLETE register N. *x/ */ |
| /* OBSOLETE #define REGISTER_BYTE(N) ((N) * 4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Number of bytes of storage in the actual machine representation */ |
| /* OBSOLETE for register N. On the PN, all normal regs are 4 bytes. *x/ */ |
| /* OBSOLETE #define REGISTER_RAW_SIZE(N) (4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Number of bytes of storage in the program's representation */ |
| /* OBSOLETE for register N. On the PN, all regs are 4 bytes. *x/ */ |
| /* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) (4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. *x/ */ |
| /* OBSOLETE #define MAX_REGISTER_RAW_SIZE (4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. *x/ */ |
| /* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE (4) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Return the GDB type object for the "standard" data type */ |
| /* OBSOLETE of data in register N. *x/ */ |
| /* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) (builtin_type_int) */ |
| /* 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 On this machine this is a no-op, because gcc isn't used on it */ |
| /* OBSOLETE yet. So this calling convention is not used. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Extract from an arrary REGBUF containing the (raw) register state */ |
| /* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */ |
| /* OBSOLETE into VALBUF. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ |
| /* OBSOLETE memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Write into appropriate registers a function return value */ |
| /* OBSOLETE of type TYPE, given in virtual format. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ |
| /* OBSOLETE write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ |
| /* OBSOLETE the address in which a function should return its structure value, */ |
| /* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */ |
| /* OBSOLETE (its caller). *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */ |
| /* OBSOLETE and produces the frame's chain-pointer. */ |
| /* OBSOLETE */ |
| /* OBSOLETE However, if FRAME_CHAIN_VALID returns zero, */ |
| /* OBSOLETE it means the given frame is the outermost one and has no caller. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* In the case of the NPL, the frame's norminal address is Br2 and the */ |
| /* OBSOLETE previous routines frame is up the stack X bytes, where X is the */ |
| /* OBSOLETE value stored in the code function header xA(Br1). *x/ */ |
| /* OBSOLETE #define FRAME_CHAIN(thisframe) (findframe(thisframe)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE extern int gould_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *)); */ |
| /* OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) gould_frame_chain_valid (chain, thisframe) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Define other aspects of the stack frame on NPL. *x/ */ |
| /* OBSOLETE #define FRAME_SAVED_PC(frame) \ */ |
| /* OBSOLETE (read_memory_integer ((frame)->frame + 8, 4)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) \ */ |
| /* OBSOLETE ((fi)->next ? \ */ |
| /* OBSOLETE read_memory_integer ((fi)->frame + 12, 4) : \ */ |
| /* OBSOLETE read_register (AP_REGNUM)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame + 80) */ |
| /* 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. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* We can check the stab info to see how */ |
| /* OBSOLETE many arg we have. No info in stack will tell us *x/ */ |
| /* OBSOLETE #define FRAME_NUM_ARGS(fi) (findarg(fi)) */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Return number of bytes at start of arglist that are not really args. *x/ */ |
| /* OBSOLETE #define FRAME_ARGS_SKIP 8 */ |
| /* 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. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */ |
| /* OBSOLETE { \ */ |
| /* OBSOLETE memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \ */ |
| /* OBSOLETE (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 8; \ */ |
| /* OBSOLETE (frame_saved_regs).regs[R4_REGNUM] = (frame_info)->frame + 0x30; \ */ |
| /* OBSOLETE (frame_saved_regs).regs[R5_REGNUM] = (frame_info)->frame + 0x34; \ */ |
| /* OBSOLETE (frame_saved_regs).regs[R6_REGNUM] = (frame_info)->frame + 0x38; \ */ |
| /* OBSOLETE (frame_saved_regs).regs[R7_REGNUM] = (frame_info)->frame + 0x3C; \ */ |
| /* OBSOLETE } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Things needed for making the inferior call functions. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define PUSH_DUMMY_FRAME \ */ |
| /* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */ |
| /* OBSOLETE register int regnum; \ */ |
| /* OBSOLETE sp = push_word (sp, read_register (PC_REGNUM)); \ */ |
| /* OBSOLETE sp = push_word (sp, read_register (FP_REGNUM)); \ */ |
| /* OBSOLETE write_register (FP_REGNUM, sp); \ */ |
| /* OBSOLETE for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \ */ |
| /* OBSOLETE sp = push_word (sp, read_register (regnum)); \ */ |
| /* OBSOLETE sp = push_word (sp, read_register (PS_REGNUM)); \ */ |
| /* OBSOLETE write_register (SP_REGNUM, sp); } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Discard from the stack the innermost frame, */ |
| /* OBSOLETE restoring all saved registers. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define POP_FRAME \ */ |
| /* OBSOLETE { register struct frame_info *frame = get_current_frame (); \ */ |
| /* OBSOLETE register CORE_ADDR fp; \ */ |
| /* OBSOLETE register int regnum; \ */ |
| /* OBSOLETE struct frame_saved_regs fsr; \ */ |
| /* OBSOLETE struct frame_info *fi; \ */ |
| /* OBSOLETE fp = frame->frame; \ */ |
| /* OBSOLETE get_frame_saved_regs (frame, &fsr); \ */ |
| /* OBSOLETE for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \ */ |
| /* OBSOLETE if (fsr.regs[regnum]) \ */ |
| /* OBSOLETE write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \ */ |
| /* OBSOLETE if (fsr.regs[PS_REGNUM]) \ */ |
| /* OBSOLETE write_register (PS_REGNUM, read_memory_integer (fsr.regs[PS_REGNUM], 4)); \ */ |
| /* OBSOLETE write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ */ |
| /* OBSOLETE write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ */ |
| /* OBSOLETE write_register (SP_REGNUM, fp + 8); \ */ |
| /* OBSOLETE flush_cached_frames (); \ */ |
| /* OBSOLETE } */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* This sequence of words is the instructions: */ |
| /* OBSOLETE halt */ |
| /* OBSOLETE halt */ |
| /* OBSOLETE halt */ |
| /* OBSOLETE halt */ |
| /* OBSOLETE suabr b2, #<stacksize> */ |
| /* OBSOLETE lwbr b6, #con */ |
| /* OBSOLETE stw r1, 8(b2) - save caller address, do we care? */ |
| /* OBSOLETE lw r2, 60(b2) - arg1 */ |
| /* OBSOLETE labr b3, 50(b2) */ |
| /* OBSOLETE std r4, 30(b2) - save r4-r7 */ |
| /* OBSOLETE std r6, 38(b2) */ |
| /* OBSOLETE lwbr b1, #<func> - load function call address */ |
| /* OBSOLETE brlnk r1, 8(b1) - call function */ |
| /* OBSOLETE halt */ |
| /* OBSOLETE halt */ |
| /* OBSOLETE ld r4, 30(b2) - restore r4-r7 */ |
| /* OBSOLETE ld r6, 38(b2) */ |
| /* OBSOLETE */ |
| /* OBSOLETE Setup our stack frame, load argumemts, call and then restore registers. */ |
| /* OBSOLETE *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* FIXME: The below defines an m68k CALL_DUMMY, which looks nothing like what */ |
| /* OBSOLETE is documented above. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define CALL_DUMMY {0xf227e0ff, 0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, 0x4e4f4e71} */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define CALL_DUMMY_LENGTH 28 */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define CALL_DUMMY_START_OFFSET 12 */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Insert the specified number of args and function address */ |
| /* OBSOLETE into a call sequence of the above form stored at DUMMYNAME. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ |
| /* OBSOLETE { *(int *)((char *) dummyname + 20) = nargs * 4; \ */ |
| /* OBSOLETE *(int *)((char *) dummyname + 14) = fun; } */ |
