-/* Target-machine dependent code for Hitachi H8/500, for GDB.
- Copyright (C) 1993 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
- Contributed by Steve Chamberlain
- sac@cygnus.com
- */
-
-#include "defs.h"
-#include "frame.h"
-#include "obstack.h"
-#include "symtab.h"
-#include "gdbtypes.h"
-#include "gdbcmd.h"
-#include "value.h"
-#include "dis-asm.h"
-#include "../opcodes/h8500-opc.h"
-;
-
-#define UNSIGNED_SHORT(X) ((X) & 0xffff)
-
-/* Shape of an H8/500 frame :
-
-
- arg-n
- ..
- arg-2
- arg-1
- return address <2 or 4 bytes>
- old fp <2 bytes>
- auto-n
- ..
- auto-1
- saved registers
-
-*/
-
-
-/* an easy to debug H8 stack frame looks like:
-0x6df6 push r6
-0x0d76 mov.w r7,r6
-0x6dfn push reg
-0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp
-0x1957 sub.w r5,sp
-
- */
-
-#define IS_PUSH(x) (((x) & 0xff00)==0x6d00)
-#define IS_LINK_8(x) ((x) == 0x17)
-#define IS_LINK_16(x) ((x) == 0x1f)
-#define IS_MOVE_FP(x) ((x) == 0x0d76)
-#define IS_MOV_SP_FP(x) ((x) == 0x0d76)
-#define IS_SUB2_SP(x) ((x) == 0x1b87)
-#define IS_MOVK_R5(x) ((x) == 0x7905)
-#define IS_SUB_R5SP(x) ((x) == 0x1957)
-
-#define LINK_8 0x17
-#define LINK_16 0x1f
-
-int minimum_mode = 1;
-CORE_ADDR examine_prologue ();
-
-void frame_find_saved_regs ();
-
-int regoff[NUM_REGS] =
-{0, 2, 4, 6, 8, 10, 12, 14, /* r0->r7 */
- 16, 18, /* ccr, pc */
- 20, 21, 22, 23}; /* cp, dp, ep, tp */
-
-CORE_ADDR
-h8500_skip_prologue (start_pc)
- CORE_ADDR start_pc;
-
-{
- short int w;
-
- w = read_memory_integer (start_pc, 1);
- if (w == LINK_8)
- {
- start_pc += 2;
- w = read_memory_integer (start_pc, 1);
- }
-
- if (w == LINK_16)
- {
- start_pc += 3;
- w = read_memory_integer (start_pc, 2);
- }
-
- return start_pc;
-}
-
-int
-print_insn (memaddr, stream)
- CORE_ADDR memaddr;
- FILE *stream;
-{
- disassemble_info info;
- GDB_INIT_DISASSEMBLE_INFO (info, stream);
- return print_insn_h8500 (memaddr, &info);
-}
-
-/* Given a GDB frame, determine the address of the calling function's frame.
- This will be used to create a new GDB frame struct, and then
- INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame.
-
- For us, the frame address is its stack pointer value, so we look up
- the function prologue to determine the caller's sp value, and return it. */
-
-FRAME_ADDR
-h8500_frame_chain (thisframe)
- FRAME thisframe;
-{
-
- if (!inside_entry_file (thisframe->pc))
- return (read_memory_integer (thisframe->frame, 2) & 0xffff)
- | (read_register (SEG_T_REGNUM) << 16);
- else
- return 0;
-}
-
-/* Put here the code to store, into a struct frame_saved_regs,
- the addresses of the saved registers of frame described by FRAME_INFO.
- This includes special registers such as pc and fp saved in special
- ways in the stack frame. sp is even more special:
- the address we return for it IS the sp for the next frame.
-
- We cache the result of doing this in the frame_cache_obstack, since
- it is fairly expensive. */
-#if 0
-
-void
-frame_find_saved_regs (fi, fsr)
- struct frame_info *fi;
- struct frame_saved_regs *fsr;
-{
- register CORE_ADDR next_addr;
- register CORE_ADDR *saved_regs;
- register int regnum;
- register struct frame_saved_regs *cache_fsr;
- extern struct obstack frame_cache_obstack;
- CORE_ADDR ip;
- struct symtab_and_line sal;
- CORE_ADDR limit;
-
- if (!fi->fsr)
- {
- cache_fsr = (struct frame_saved_regs *)
- obstack_alloc (&frame_cache_obstack,
- sizeof (struct frame_saved_regs));
- memset (cache_fsr, '\0', sizeof (struct frame_saved_regs));
-
- fi->fsr = cache_fsr;
-
- /* Find the start and end of the function prologue. If the PC
- is in the function prologue, we only consider the part that
- has executed already. */
-
- ip = get_pc_function_start (fi->pc);
- sal = find_pc_line (ip, 0);
- limit = (sal.end && sal.end < fi->pc) ? sal.end : fi->pc;
-
- /* This will fill in fields in *fi as well as in cache_fsr. */
- examine_prologue (ip, limit, fi->frame, cache_fsr, fi);
- }
-
- if (fsr)
- *fsr = *fi->fsr;
-}
-
-#endif
-
-/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
- is not the address of a valid instruction, the address of the next
- instruction beyond ADDR otherwise. *PWORD1 receives the first word
- of the instruction.*/
-
-CORE_ADDR
-NEXT_PROLOGUE_INSN (addr, lim, pword1)
- CORE_ADDR addr;
- CORE_ADDR lim;
- char *pword1;
-{
- if (addr < lim + 8)
- {
- read_memory (addr, pword1, 1);
- read_memory (addr, pword1 + 1, 1);
- return 1;
- }
- return 0;
-}
-
-/* Examine the prologue of a function. `ip' points to the first instruction.
- `limit' is the limit of the prologue (e.g. the addr of the first
- linenumber, or perhaps the program counter if we're stepping through).
- `frame_sp' is the stack pointer value in use in this frame.
- `fsr' is a pointer to a frame_saved_regs structure into which we put
- info about the registers saved by this frame.
- `fi' is a struct frame_info pointer; we fill in various fields in it
- to reflect the offsets of the arg pointer and the locals pointer. */
-
-#if 0
-static CORE_ADDR
-examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
- register CORE_ADDR ip;
- register CORE_ADDR limit;
- FRAME_ADDR after_prolog_fp;
- struct frame_saved_regs *fsr;
- struct frame_info *fi;
-{
- register CORE_ADDR next_ip;
- int r;
- int i;
- int have_fp = 0;
-
- register int src;
- register struct pic_prologue_code *pcode;
- char insn[2];
- int size, offset;
- unsigned int reg_save_depth = 2; /* Number of things pushed onto
- stack, starts at 2, 'cause the
- PC is already there */
-
- unsigned int auto_depth = 0; /* Number of bytes of autos */
-
- char in_frame[8]; /* One for each reg */
-
- memset (in_frame, 1, 8);
- for (r = 0; r < 8; r++)
- {
- fsr->regs[r] = 0;
- }
- if (after_prolog_fp == 0)
- {
- after_prolog_fp = read_register (SP_REGNUM);
- }
- if (ip == 0 || ip & ~0xffffff)
- return 0;
-
- ok = NEXT_PROLOGUE_INSN (ip, limit, &insn[0]);
-
- /* Skip over any fp push instructions */
- fsr->regs[6] = after_prolog_fp;
-
- if (ok && IS_LINK_8 (insn[0]))
- {
- ip++;
-
- in_frame[6] = reg_save_depth;
- reg_save_depth += 2;
- }
-
- next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn_word);
-
- /* Is this a move into the fp */
- if (next_ip && IS_MOV_SP_FP (insn_word))
- {
- ip = next_ip;
- next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn_word);
- have_fp = 1;
- }
-
- /* Skip over any stack adjustment, happens either with a number of
- sub#2,sp or a mov #x,r5 sub r5,sp */
-
- if (next_ip && IS_SUB2_SP (insn_word))
- {
- while (next_ip && IS_SUB2_SP (insn_word))
- {
- auto_depth += 2;
- ip = next_ip;
- next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn_word);
- }
- }
- else
- {
- if (next_ip && IS_MOVK_R5 (insn_word))
- {
- ip = next_ip;
- next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn_word);
- auto_depth += insn_word;
-
- next_ip = NEXT_PROLOGUE_INSN (next_ip, limit, &insn_word);
- auto_depth += insn_word;
-
- }
- }
- /* Work out which regs are stored where */
- while (next_ip && IS_PUSH (insn_word))
- {
- ip = next_ip;
- next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn_word);
- fsr->regs[r] = after_prolog_fp + auto_depth;
- auto_depth += 2;
- }
-
- /* The args are always reffed based from the stack pointer */
- fi->args_pointer = after_prolog_fp;
- /* Locals are always reffed based from the fp */
- fi->locals_pointer = after_prolog_fp;
- /* The PC is at a known place */
- fi->from_pc = read_memory_short (after_prolog_fp + 2);
-
- /* Rememeber any others too */
- in_frame[PC_REGNUM] = 0;
-
- if (have_fp)
- /* We keep the old FP in the SP spot */
- fsr->regs[SP_REGNUM] = (read_memory_short (fsr->regs[6]));
- else
- fsr->regs[SP_REGNUM] = after_prolog_fp + auto_depth;
-
- return (ip);
-}
-
-#endif
-
-/* Return the saved PC from this frame. */
-
-CORE_ADDR
-frame_saved_pc (frame)
- FRAME frame;
-{
- return read_memory_integer ((frame)->frame + 2, PTR_SIZE);
-}
-
-CORE_ADDR
-frame_locals_address (fi)
- struct frame_info *fi;
-{
- return fi->frame;
-}
-
-/* Return the address of the argument block for the frame
- described by FI. Returns 0 if the address is unknown. */
-
-CORE_ADDR
-frame_args_address (fi)
- struct frame_info *fi;
-{
- return fi->frame;
-}
-
-void
-h8300_pop_frame ()
-{
- unsigned regnum;
- struct frame_saved_regs fsr;
- struct frame_info *fi;
-
- FRAME frame = get_current_frame ();
-
- fi = get_frame_info (frame);
- get_frame_saved_regs (fi, &fsr);
-
- for (regnum = 0; regnum < 8; regnum++)
- {
- if (fsr.regs[regnum])
- {
- write_register (regnum, read_memory_short (fsr.regs[regnum]));
- }
-
- flush_cached_frames ();
- set_current_frame (create_new_frame (read_register (FP_REGNUM),
- read_pc ()));
-
- }
-
-}
-
-void
-print_register_hook (regno)
-{
- if (regno == CCR_REGNUM)
- {
- /* CCR register */
-
- int C, Z, N, V;
- unsigned char b[2];
- unsigned char l;
-
- read_relative_register_raw_bytes (regno, b);
- l = b[1];
- printf ("\t");
- printf ("I-%d - ", (l & 0x80) != 0);
- N = (l & 0x8) != 0;
- Z = (l & 0x4) != 0;
- V = (l & 0x2) != 0;
- C = (l & 0x1) != 0;
- printf ("N-%d ", N);
- printf ("Z-%d ", Z);
- printf ("V-%d ", V);
- printf ("C-%d ", C);
- if ((C | Z) == 0)
- printf ("u> ");
- if ((C | Z) == 1)
- printf ("u<= ");
- if ((C == 0))
- printf ("u>= ");
- if (C == 1)
- printf ("u< ");
- if (Z == 0)
- printf ("!= ");
- if (Z == 1)
- printf ("== ");
- if ((N ^ V) == 0)
- printf (">= ");
- if ((N ^ V) == 1)
- printf ("< ");
- if ((Z | (N ^ V)) == 0)
- printf ("> ");
- if ((Z | (N ^ V)) == 1)
- printf ("<= ");
- }
-}
-
-int
-h8500_register_size (regno)
- int regno;
-{
- if (regno <= PC_REGNUM)
- return 2;
- else
- return 1;
-}
-
-struct type *
-h8500_register_virtual_type (regno)
- int regno;
-{
- switch (regno)
- {
- case SEG_C_REGNUM:
- case SEG_E_REGNUM:
- case SEG_D_REGNUM:
- case SEG_T_REGNUM:
- return builtin_type_unsigned_char;
- case R0_REGNUM:
- case R1_REGNUM:
- case R2_REGNUM:
- case R3_REGNUM:
- case R4_REGNUM:
- case R5_REGNUM:
- case R6_REGNUM:
- case R7_REGNUM:
- case PC_REGNUM:
- case CCR_REGNUM:
- return builtin_type_unsigned_short;
- default:
- abort ();
- }
-}
-
-/* Put here the code to store, into a struct frame_saved_regs,
- the addresses of the saved registers of frame described by FRAME_INFO.
- This includes special registers such as pc and fp saved in special
- ways in the stack frame. sp is even more special:
- the address we return for it IS the sp for the next frame. */
-
-void
-frame_find_saved_regs (frame_info, frame_saved_regs)
- struct frame_info *frame_info;
- struct frame_saved_regs *frame_saved_regs;
-
-{
- register int regnum;
- register int regmask;
- register CORE_ADDR next_addr;
- register CORE_ADDR pc;
- unsigned char thebyte;
-
- memset (frame_saved_regs, '\0', sizeof *frame_saved_regs);
-
- if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4
- && (frame_info)->pc <= (frame_info)->frame)
- {
- next_addr = (frame_info)->frame;
- pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4;
- }
- else
- {
- pc = get_pc_function_start ((frame_info)->pc);
- /* Verify we have a link a6 instruction next;
- if not we lose. If we win, find the address above the saved
- regs using the amount of storage from the link instruction.
- */
-
- thebyte = read_memory_integer (pc, 1);
- if (0x1f == thebyte)
- next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 2), pc += 2;
- else if (0x17 == thebyte)
- next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 1), pc += 1;
- else
- goto lose;
-#if 0
- /* FIXME steve */
- /* If have an add:g.waddal #-n, sp next, adjust next_addr. */
- if ((0x0c0177777 & read_memory_integer (pc, 2)) == 0157774)
- next_addr += read_memory_integer (pc += 2, 4), pc += 4;
-#endif
- }
-
- thebyte = read_memory_integer (pc, 1);
- if (thebyte == 0x12)
- {
- /* Got stm */
- pc++;
- regmask = read_memory_integer (pc, 1);
- pc++;
- for (regnum = 0; regnum < 8; regnum++, regmask >>= 1)
- {
- if (regmask & 1)
- {
- (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
- }
- }
- thebyte = read_memory_integer (pc, 1);
- }
- /* Maybe got a load of pushes */
- while (thebyte == 0xbf)
- {
- pc++;
- regnum = read_memory_integer (pc, 1) & 0x7;
- pc++;
- (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
- thebyte = read_memory_integer (pc, 1);
- }
-
-lose:;
-
- /* Remember the address of the frame pointer */
- (frame_saved_regs)->regs[FP_REGNUM] = (frame_info)->frame;
-
- /* This is where the old sp is hidden */
- (frame_saved_regs)->regs[SP_REGNUM] = (frame_info)->frame;
-
- /* And the PC - remember the pushed FP is always two bytes long */
- (frame_saved_regs)->regs[PC_REGNUM] = (frame_info)->frame + 2;
-}
-
-saved_pc_after_call (frame)
-{
- int x;
- int a = read_register (SP_REGNUM);
- x = read_memory_integer (a, PTR_SIZE);
- return x;
-}
-
-
-/* Nonzero if instruction at PC is a return instruction. */
-
-about_to_return (pc)
-{
- int b1 = read_memory_integer (pc, 1);
-
- switch (b1)
- {
- case 0x14: /* rtd #8 */
- case 0x1c: /* rtd #16 */
- case 0x19: /* rts */
- case 0x1a: /* rte */
- return 1;
- case 0x11:
- {
- int b2 = read_memory_integer (pc + 1, 1);
- switch (b2)
- {
- case 0x18: /* prts */
- case 0x14: /* prtd #8 */
- case 0x16: /* prtd #16 */
- return 1;
- }
- }
- }
- return 0;
-}
-
-
-void
-h8500_set_pointer_size (newsize)
- int newsize;
-{
- static int oldsize = 0;
-
- if (oldsize != newsize)
- {
- printf ("pointer size set to %d bits\n", newsize);
- oldsize = newsize;
- if (newsize == 32)
- {
- minimum_mode = 0;
- }
- else
- {
- minimum_mode = 1;
- }
- _initialize_gdbtypes ();
- }
-}
-
-
-struct cmd_list_element *setmemorylist;
-
-
-static void
-segmented_command (args, from_tty)
- char *args;
- int from_tty;
-{
- h8500_set_pointer_size (32);
-}
-
-static void
-unsegmented_command (args, from_tty)
- char *args;
- int from_tty;
-{
- h8500_set_pointer_size (16);
-}
-
-static void
-set_memory (args, from_tty)
- char *args;
- int from_tty;
-{
- printf ("\"set memory\" must be followed by the name of a memory subcommand.\n");
- help_list (setmemorylist, "set memory ", -1, stdout);
-}
-
-/* See if variable name is ppc or pr[0-7] */
-
-int
-h8500_is_trapped_internalvar (name)
- char *name;
-{
- if (name[0] != 'p')
- return 0;
-
- if (strcmp (name + 1, "pc") == 0)
- return 1;
-
- if (name[1] == 'r'
- && name[2] >= '0'
- && name[2] <= '7'
- && name[3] == '\000')
- return 1;
- else
- return 0;
-}
-
-value
-h8500_value_of_trapped_internalvar (var)
- struct internalvar *var;
-{
- LONGEST regval;
- unsigned char regbuf[4];
- int page_regnum, regnum;
-
- regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0';
-
- switch (var->name[2])
- {
- case 'c':
- page_regnum = SEG_C_REGNUM;
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- page_regnum = SEG_D_REGNUM;
- break;
- case '4':
- case '5':
- page_regnum = SEG_E_REGNUM;
- break;
- case '6':
- case '7':
- page_regnum = SEG_T_REGNUM;
- break;
- }
-
- get_saved_register (regbuf, NULL, NULL, selected_frame, page_regnum, NULL);
- regval = regbuf[0] << 16;
-
- get_saved_register (regbuf, NULL, NULL, selected_frame, regnum, NULL);
- regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
-
- free (var->value); /* Free up old value */
-
- var->value = value_from_longest (builtin_type_unsigned_long, regval);
- release_value (var->value); /* Unchain new value */
-
- VALUE_LVAL (var->value) = lval_internalvar;
- VALUE_INTERNALVAR (var->value) = var;
- return var->value;
-}
-
-void
-h8500_set_trapped_internalvar (var, newval, bitpos, bitsize, offset)
- struct internalvar *var;
- int offset, bitpos, bitsize;
- value newval;
-{
- char *page_regnum, *regnum;
- char expression[100];
- unsigned new_regval;
- struct type *type;
- enum type_code newval_type_code;
-
- type = VALUE_TYPE (newval);
- newval_type_code = TYPE_CODE (type);
-
- if ((newval_type_code != TYPE_CODE_INT
- && newval_type_code != TYPE_CODE_PTR)
- || TYPE_LENGTH (type) != sizeof (new_regval))
- error ("Illegal type (%s) for assignment to $%s\n",
- TYPE_NAME (type), var->name);
-
- new_regval = *(long *) VALUE_CONTENTS_RAW (newval);
-
- regnum = var->name + 1;
-
- switch (var->name[2])
- {
- case 'c':
- page_regnum = "cp";
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- page_regnum = "dp";
- break;
- case '4':
- case '5':
- page_regnum = "ep";
- break;
- case '6':
- case '7':
- page_regnum = "tp";
- break;
- }
-
- sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16);
- parse_and_eval (expression);
-
- sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff);
- parse_and_eval (expression);
-}
-
-_initialize_h8500_tdep ()
-{
- add_prefix_cmd ("memory", no_class, set_memory,
- "set the memory model", &setmemorylist, "set memory ", 0,
- &setlist);
- add_cmd ("segmented", class_support, segmented_command,
- "Set segmented memory model.", &setmemorylist);
- add_cmd ("unsegmented", class_support, unsegmented_command,
- "Set unsegmented memory model.", &setmemorylist);
-
-}
-
-CORE_ADDR
-target_read_sp ()
-{
- return (read_register (SEG_T_REGNUM) << 16) | (read_register (SP_REGNUM));
-}
-
-void
-target_write_sp (v)
- CORE_ADDR v;
-{
- write_register (SEG_T_REGNUM, v >> 16);
- write_register (SP_REGNUM, v & 0xffff);
-}
-
-CORE_ADDR
-target_read_pc ()
-{
- return (read_register (SEG_C_REGNUM) << 16) | (read_register (PC_REGNUM));
-}
-
-void
-target_write_pc (v)
- CORE_ADDR v;
-{
- write_register (SEG_C_REGNUM, v >> 16);
- write_register (PC_REGNUM, v & 0xffff);
-}
-
-CORE_ADDR
-target_read_fp ()
-{
- return (read_register (SEG_T_REGNUM) << 16) | (read_register (FP_REGNUM));
-}
-
-void
-target_write_fp (v)
- CORE_ADDR v;
-{
- write_register (SEG_T_REGNUM, v >> 16);
- write_register (FP_REGNUM, v & 0xffff);
-}
-
-/* This doesn't quite fit either in the simulator or in gdb proper.
- Perhaps the simulator could return 1 to mean it loaded it and 0 to
- mean "you deal with it, caller". */
-
-int
-sim_load (abfd, prog)
-bfd *abfd;
-char *prog;
-{
- return sim_load_standard (abfd);
-}
+// OBSOLETE /* Target-dependent code for Hitachi H8/500, for GDB.
+// OBSOLETE
+// OBSOLETE Copyright 1993, 1994, 1995, 1998, 2000, 2001, 2002 Free Software
+// OBSOLETE 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 /*
+// OBSOLETE Contributed by Steve Chamberlain
+// OBSOLETE sac@cygnus.com
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "frame.h"
+// OBSOLETE #include "symtab.h"
+// OBSOLETE #include "gdbtypes.h"
+// OBSOLETE #include "gdbcmd.h"
+// OBSOLETE #include "value.h"
+// OBSOLETE #include "dis-asm.h"
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE
+// OBSOLETE #define UNSIGNED_SHORT(X) ((X) & 0xffff)
+// OBSOLETE
+// OBSOLETE static int code_size = 2;
+// OBSOLETE
+// OBSOLETE static int data_size = 2;
+// OBSOLETE
+// OBSOLETE /* Shape of an H8/500 frame :
+// OBSOLETE
+// OBSOLETE arg-n
+// OBSOLETE ..
+// OBSOLETE arg-2
+// OBSOLETE arg-1
+// OBSOLETE return address <2 or 4 bytes>
+// OBSOLETE old fp <2 bytes>
+// OBSOLETE auto-n
+// OBSOLETE ..
+// OBSOLETE auto-1
+// OBSOLETE saved registers
+// OBSOLETE
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE /* an easy to debug H8 stack frame looks like:
+// OBSOLETE 0x6df6 push r6
+// OBSOLETE 0x0d76 mov.w r7,r6
+// OBSOLETE 0x6dfn push reg
+// OBSOLETE 0x7905 nnnn mov.w #n,r5 or 0x1b87 subs #2,sp
+// OBSOLETE 0x1957 sub.w r5,sp
+// OBSOLETE
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE #define IS_PUSH(x) (((x) & 0xff00)==0x6d00)
+// OBSOLETE #define IS_LINK_8(x) ((x) == 0x17)
+// OBSOLETE #define IS_LINK_16(x) ((x) == 0x1f)
+// OBSOLETE #define IS_MOVE_FP(x) ((x) == 0x0d76)
+// OBSOLETE #define IS_MOV_SP_FP(x) ((x) == 0x0d76)
+// OBSOLETE #define IS_SUB2_SP(x) ((x) == 0x1b87)
+// OBSOLETE #define IS_MOVK_R5(x) ((x) == 0x7905)
+// OBSOLETE #define IS_SUB_R5SP(x) ((x) == 0x1957)
+// OBSOLETE
+// OBSOLETE #define LINK_8 0x17
+// OBSOLETE #define LINK_16 0x1f
+// OBSOLETE
+// OBSOLETE int minimum_mode = 1;
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE h8500_skip_prologue (CORE_ADDR start_pc)
+// OBSOLETE {
+// OBSOLETE short int w;
+// OBSOLETE
+// OBSOLETE w = read_memory_integer (start_pc, 1);
+// OBSOLETE if (w == LINK_8)
+// OBSOLETE {
+// OBSOLETE start_pc += 2;
+// OBSOLETE w = read_memory_integer (start_pc, 1);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (w == LINK_16)
+// OBSOLETE {
+// OBSOLETE start_pc += 3;
+// OBSOLETE w = read_memory_integer (start_pc, 2);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return start_pc;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE h8500_addr_bits_remove (CORE_ADDR addr)
+// OBSOLETE {
+// OBSOLETE return ((addr) & 0xffffff);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Given a GDB frame, determine the address of the calling function's
+// OBSOLETE frame. This will be used to create a new GDB frame struct, and
+// OBSOLETE then INIT_EXTRA_FRAME_INFO and DEPRECATED_INIT_FRAME_PC will be
+// OBSOLETE called for the new frame.
+// OBSOLETE
+// OBSOLETE For us, the frame address is its stack pointer value, so we look up
+// OBSOLETE the function prologue to determine the caller's sp value, and return it. */
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE h8500_frame_chain (struct frame_info *thisframe)
+// OBSOLETE {
+// OBSOLETE if (!inside_entry_file (thisframe->pc))
+// OBSOLETE return (read_memory_integer (get_frame_base (thisframe), PTR_SIZE));
+// OBSOLETE else
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
+// OBSOLETE is not the address of a valid instruction, the address of the next
+// OBSOLETE instruction beyond ADDR otherwise. *PWORD1 receives the first word
+// OBSOLETE of the instruction. */
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, char *pword1)
+// OBSOLETE {
+// OBSOLETE if (addr < lim + 8)
+// OBSOLETE {
+// OBSOLETE read_memory (addr, pword1, 1);
+// OBSOLETE read_memory (addr, pword1 + 1, 1);
+// OBSOLETE return 1;
+// OBSOLETE }
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Examine the prologue of a function. `ip' points to the first
+// OBSOLETE instruction. `limit' is the limit of the prologue (e.g. the addr
+// OBSOLETE of the first linenumber, or perhaps the program counter if we're
+// OBSOLETE stepping through). `frame_sp' is the stack pointer value in use in
+// OBSOLETE this frame. `fsr' is a pointer to a frame_saved_regs structure
+// OBSOLETE into which we put info about the registers saved by this frame.
+// OBSOLETE `fi' is a struct frame_info pointer; we fill in various fields in
+// OBSOLETE it to reflect the offsets of the arg pointer and the locals
+// OBSOLETE pointer. */
+// OBSOLETE
+// OBSOLETE /* Return the saved PC from this frame. */
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE frame_saved_pc (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE return read_memory_integer (get_frame_base (frame) + 2, PTR_SIZE);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE h8500_pop_frame (void)
+// OBSOLETE {
+// OBSOLETE unsigned regnum;
+// OBSOLETE struct frame_saved_regs fsr;
+// OBSOLETE struct frame_info *frame = get_current_frame ();
+// OBSOLETE
+// OBSOLETE deprecated_get_frame_saved_regs (frame, &fsr);
+// OBSOLETE
+// OBSOLETE for (regnum = 0; regnum < 8; regnum++)
+// OBSOLETE {
+// OBSOLETE if (fsr.regs[regnum])
+// OBSOLETE write_register (regnum, read_memory_short (fsr.regs[regnum]));
+// OBSOLETE
+// OBSOLETE flush_cached_frames ();
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE h8500_print_register_hook (int regno)
+// OBSOLETE {
+// OBSOLETE if (regno == CCR_REGNUM)
+// OBSOLETE {
+// OBSOLETE /* CCR register */
+// OBSOLETE
+// OBSOLETE int C, Z, N, V;
+// OBSOLETE unsigned char b[2];
+// OBSOLETE unsigned char l;
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, b);
+// OBSOLETE l = b[1];
+// OBSOLETE printf_unfiltered ("\t");
+// OBSOLETE printf_unfiltered ("I-%d - ", (l & 0x80) != 0);
+// OBSOLETE N = (l & 0x8) != 0;
+// OBSOLETE Z = (l & 0x4) != 0;
+// OBSOLETE V = (l & 0x2) != 0;
+// OBSOLETE C = (l & 0x1) != 0;
+// OBSOLETE printf_unfiltered ("N-%d ", N);
+// OBSOLETE printf_unfiltered ("Z-%d ", Z);
+// OBSOLETE printf_unfiltered ("V-%d ", V);
+// OBSOLETE printf_unfiltered ("C-%d ", C);
+// OBSOLETE if ((C | Z) == 0)
+// OBSOLETE printf_unfiltered ("u> ");
+// OBSOLETE if ((C | Z) == 1)
+// OBSOLETE printf_unfiltered ("u<= ");
+// OBSOLETE if ((C == 0))
+// OBSOLETE printf_unfiltered ("u>= ");
+// OBSOLETE if (C == 1)
+// OBSOLETE printf_unfiltered ("u< ");
+// OBSOLETE if (Z == 0)
+// OBSOLETE printf_unfiltered ("!= ");
+// OBSOLETE if (Z == 1)
+// OBSOLETE printf_unfiltered ("== ");
+// OBSOLETE if ((N ^ V) == 0)
+// OBSOLETE printf_unfiltered (">= ");
+// OBSOLETE if ((N ^ V) == 1)
+// OBSOLETE printf_unfiltered ("< ");
+// OBSOLETE if ((Z | (N ^ V)) == 0)
+// OBSOLETE printf_unfiltered ("> ");
+// OBSOLETE if ((Z | (N ^ V)) == 1)
+// OBSOLETE printf_unfiltered ("<= ");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE h8500_print_registers_info (struct gdbarch *gdbarch,
+// OBSOLETE struct ui_file *file,
+// OBSOLETE struct frame_info *frame,
+// OBSOLETE int regnum, int print_all)
+// OBSOLETE {
+// OBSOLETE int i;
+// OBSOLETE const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+// OBSOLETE char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+// OBSOLETE char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
+// OBSOLETE
+// OBSOLETE for (i = 0; i < numregs; i++)
+// OBSOLETE {
+// OBSOLETE /* Decide between printing all regs, non-float / vector regs, or
+// OBSOLETE specific reg. */
+// OBSOLETE if (regnum == -1)
+// OBSOLETE {
+// OBSOLETE if (!print_all)
+// OBSOLETE {
+// OBSOLETE if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+// OBSOLETE continue;
+// OBSOLETE if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE if (i != regnum)
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If the register name is empty, it is undefined for this
+// OBSOLETE processor, so don't display anything. */
+// OBSOLETE if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+// OBSOLETE continue;
+// OBSOLETE
+// OBSOLETE fputs_filtered (REGISTER_NAME (i), file);
+// OBSOLETE print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
+// OBSOLETE
+// OBSOLETE /* Get the data in raw format. */
+// OBSOLETE if (! frame_register_read (frame, i, raw_buffer))
+// OBSOLETE {
+// OBSOLETE fprintf_filtered (file, "*value not available*\n");
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
+// OBSOLETE The function frame_register_read() should have returned the
+// OBSOLETE pre-cooked register so no conversion is necessary. */
+// OBSOLETE /* Convert raw data to virtual format if necessary. */
+// OBSOLETE if (REGISTER_CONVERTIBLE (i))
+// OBSOLETE {
+// OBSOLETE REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+// OBSOLETE raw_buffer, virtual_buffer);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE memcpy (virtual_buffer, raw_buffer,
+// OBSOLETE REGISTER_VIRTUAL_SIZE (i));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If virtual format is floating, print it that way, and in raw
+// OBSOLETE hex. */
+// OBSOLETE if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+// OBSOLETE {
+// OBSOLETE int j;
+// OBSOLETE
+// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE file, 0, 1, 0, Val_pretty_default);
+// OBSOLETE
+// OBSOLETE fprintf_filtered (file, "\t(raw 0x");
+// OBSOLETE for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
+// OBSOLETE {
+// OBSOLETE int idx;
+// OBSOLETE if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+// OBSOLETE idx = j;
+// OBSOLETE else
+// OBSOLETE idx = REGISTER_RAW_SIZE (i) - 1 - j;
+// OBSOLETE fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
+// OBSOLETE }
+// OBSOLETE fprintf_filtered (file, ")");
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* Print the register in hex. */
+// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE file, 'x', 1, 0, Val_pretty_default);
+// OBSOLETE /* If not a vector register, print it also according to its
+// OBSOLETE natural format. */
+// OBSOLETE if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
+// OBSOLETE {
+// OBSOLETE fprintf_filtered (file, "\t");
+// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE file, 0, 1, 0, Val_pretty_default);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Some h8500 specific info. */
+// OBSOLETE h8500_print_register_hook (i);
+// OBSOLETE
+// OBSOLETE fprintf_filtered (file, "\n");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE h8500_do_registers_info (int regnum, int all)
+// OBSOLETE {
+// OBSOLETE h8500_print_registers_info (current_gdbarch, gdb_stdout, deprecated_selected_frame,
+// OBSOLETE regnum, all);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE h8500_register_size (int regno)
+// OBSOLETE {
+// OBSOLETE switch (regno)
+// OBSOLETE {
+// OBSOLETE case SEG_C_REGNUM:
+// OBSOLETE case SEG_D_REGNUM:
+// OBSOLETE case SEG_E_REGNUM:
+// OBSOLETE case SEG_T_REGNUM:
+// OBSOLETE return 1;
+// OBSOLETE case R0_REGNUM:
+// OBSOLETE case R1_REGNUM:
+// OBSOLETE case R2_REGNUM:
+// OBSOLETE case R3_REGNUM:
+// OBSOLETE case R4_REGNUM:
+// OBSOLETE case R5_REGNUM:
+// OBSOLETE case R6_REGNUM:
+// OBSOLETE case R7_REGNUM:
+// OBSOLETE case CCR_REGNUM:
+// OBSOLETE return 2;
+// OBSOLETE
+// OBSOLETE case PR0_REGNUM:
+// OBSOLETE case PR1_REGNUM:
+// OBSOLETE case PR2_REGNUM:
+// OBSOLETE case PR3_REGNUM:
+// OBSOLETE case PR4_REGNUM:
+// OBSOLETE case PR5_REGNUM:
+// OBSOLETE case PR6_REGNUM:
+// OBSOLETE case PR7_REGNUM:
+// OBSOLETE case PC_REGNUM:
+// OBSOLETE return 4;
+// OBSOLETE default:
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE struct type *
+// OBSOLETE h8500_register_virtual_type (int regno)
+// OBSOLETE {
+// OBSOLETE switch (regno)
+// OBSOLETE {
+// OBSOLETE case SEG_C_REGNUM:
+// OBSOLETE case SEG_E_REGNUM:
+// OBSOLETE case SEG_D_REGNUM:
+// OBSOLETE case SEG_T_REGNUM:
+// OBSOLETE return builtin_type_unsigned_char;
+// OBSOLETE case R0_REGNUM:
+// OBSOLETE case R1_REGNUM:
+// OBSOLETE case R2_REGNUM:
+// OBSOLETE case R3_REGNUM:
+// OBSOLETE case R4_REGNUM:
+// OBSOLETE case R5_REGNUM:
+// OBSOLETE case R6_REGNUM:
+// OBSOLETE case R7_REGNUM:
+// OBSOLETE case CCR_REGNUM:
+// OBSOLETE return builtin_type_unsigned_short;
+// OBSOLETE case PR0_REGNUM:
+// OBSOLETE case PR1_REGNUM:
+// OBSOLETE case PR2_REGNUM:
+// OBSOLETE case PR3_REGNUM:
+// OBSOLETE case PR4_REGNUM:
+// OBSOLETE case PR5_REGNUM:
+// OBSOLETE case PR6_REGNUM:
+// OBSOLETE case PR7_REGNUM:
+// OBSOLETE case PC_REGNUM:
+// OBSOLETE return builtin_type_unsigned_long;
+// OBSOLETE default:
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE }
+// 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 void
+// OBSOLETE frame_find_saved_regs (struct frame_info *frame_info,
+// OBSOLETE struct frame_saved_regs *frame_saved_regs)
+// OBSOLETE {
+// OBSOLETE register int regnum;
+// OBSOLETE register int regmask;
+// OBSOLETE register CORE_ADDR next_addr;
+// OBSOLETE register CORE_ADDR pc;
+// OBSOLETE unsigned char thebyte;
+// OBSOLETE
+// OBSOLETE memset (frame_saved_regs, '\0', sizeof *frame_saved_regs);
+// OBSOLETE
+// OBSOLETE if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4
+// OBSOLETE && (frame_info)->pc <= (frame_info)->frame)
+// OBSOLETE {
+// OBSOLETE next_addr = (frame_info)->frame;
+// OBSOLETE pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE pc = get_pc_function_start ((frame_info)->pc);
+// OBSOLETE /* Verify we have a link a6 instruction next;
+// OBSOLETE if not we lose. If we win, find the address above the saved
+// OBSOLETE regs using the amount of storage from the link instruction.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE thebyte = read_memory_integer (pc, 1);
+// OBSOLETE if (0x1f == thebyte)
+// OBSOLETE next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 2), pc += 2;
+// OBSOLETE else if (0x17 == thebyte)
+// OBSOLETE next_addr = (frame_info)->frame + read_memory_integer (pc += 1, 1), pc += 1;
+// OBSOLETE else
+// OBSOLETE goto lose;
+// OBSOLETE #if 0
+// OBSOLETE /* FIXME steve */
+// OBSOLETE /* If have an add:g.waddal #-n, sp next, adjust next_addr. */
+// OBSOLETE if ((0x0c0177777 & read_memory_integer (pc, 2)) == 0157774)
+// OBSOLETE next_addr += read_memory_integer (pc += 2, 4), pc += 4;
+// OBSOLETE #endif
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE thebyte = read_memory_integer (pc, 1);
+// OBSOLETE if (thebyte == 0x12)
+// OBSOLETE {
+// OBSOLETE /* Got stm */
+// OBSOLETE pc++;
+// OBSOLETE regmask = read_memory_integer (pc, 1);
+// OBSOLETE pc++;
+// OBSOLETE for (regnum = 0; regnum < 8; regnum++, regmask >>= 1)
+// OBSOLETE {
+// OBSOLETE if (regmask & 1)
+// OBSOLETE {
+// OBSOLETE (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE thebyte = read_memory_integer (pc, 1);
+// OBSOLETE }
+// OBSOLETE /* Maybe got a load of pushes */
+// OBSOLETE while (thebyte == 0xbf)
+// OBSOLETE {
+// OBSOLETE pc++;
+// OBSOLETE regnum = read_memory_integer (pc, 1) & 0x7;
+// OBSOLETE pc++;
+// OBSOLETE (frame_saved_regs)->regs[regnum] = (next_addr += 2) - 2;
+// OBSOLETE thebyte = read_memory_integer (pc, 1);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE lose:;
+// OBSOLETE
+// OBSOLETE /* Remember the address of the frame pointer */
+// OBSOLETE (frame_saved_regs)->regs[FP_REGNUM] = (frame_info)->frame;
+// OBSOLETE
+// OBSOLETE /* This is where the old sp is hidden */
+// OBSOLETE (frame_saved_regs)->regs[SP_REGNUM] = (frame_info)->frame;
+// OBSOLETE
+// OBSOLETE /* And the PC - remember the pushed FP is always two bytes long */
+// OBSOLETE (frame_saved_regs)->regs[PC_REGNUM] = (frame_info)->frame + 2;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE saved_pc_after_call (void)
+// OBSOLETE {
+// OBSOLETE int x;
+// OBSOLETE int a = read_register (SP_REGNUM);
+// OBSOLETE
+// OBSOLETE x = read_memory_integer (a, code_size);
+// OBSOLETE if (code_size == 2)
+// OBSOLETE {
+// OBSOLETE /* Stick current code segement onto top */
+// OBSOLETE x &= 0xffff;
+// OBSOLETE x |= read_register (SEG_C_REGNUM) << 16;
+// OBSOLETE }
+// OBSOLETE x &= 0xffffff;
+// OBSOLETE return x;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE h8500_set_pointer_size (int newsize)
+// OBSOLETE {
+// OBSOLETE static int oldsize = 0;
+// OBSOLETE
+// OBSOLETE if (oldsize != newsize)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("pointer size set to %d bits\n", newsize);
+// OBSOLETE oldsize = newsize;
+// OBSOLETE if (newsize == 32)
+// OBSOLETE {
+// OBSOLETE minimum_mode = 0;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE minimum_mode = 1;
+// OBSOLETE }
+// OBSOLETE _initialize_gdbtypes ();
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE big_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE h8500_set_pointer_size (32);
+// OBSOLETE code_size = 4;
+// OBSOLETE data_size = 4;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE medium_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE h8500_set_pointer_size (32);
+// OBSOLETE code_size = 4;
+// OBSOLETE data_size = 2;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE compact_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE h8500_set_pointer_size (32);
+// OBSOLETE code_size = 2;
+// OBSOLETE data_size = 4;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE small_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE h8500_set_pointer_size (16);
+// OBSOLETE code_size = 2;
+// OBSOLETE data_size = 2;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static struct cmd_list_element *setmemorylist;
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE set_memory (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
+// OBSOLETE help_list (setmemorylist, "set memory ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* See if variable name is ppc or pr[0-7] */
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE h8500_is_trapped_internalvar (char *name)
+// OBSOLETE {
+// OBSOLETE if (name[0] != 'p')
+// OBSOLETE return 0;
+// OBSOLETE
+// OBSOLETE if (strcmp (name + 1, "pc") == 0)
+// OBSOLETE return 1;
+// OBSOLETE
+// OBSOLETE if (name[1] == 'r'
+// OBSOLETE && name[2] >= '0'
+// OBSOLETE && name[2] <= '7'
+// OBSOLETE && name[3] == '\000')
+// OBSOLETE return 1;
+// OBSOLETE else
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE struct value *
+// OBSOLETE h8500_value_of_trapped_internalvar (struct internalvar *var)
+// OBSOLETE {
+// OBSOLETE LONGEST regval;
+// OBSOLETE unsigned char regbuf[4];
+// OBSOLETE int page_regnum, regnum;
+// OBSOLETE
+// OBSOLETE regnum = var->name[2] == 'c' ? PC_REGNUM : var->name[2] - '0';
+// OBSOLETE
+// OBSOLETE switch (var->name[2])
+// OBSOLETE {
+// OBSOLETE case 'c':
+// OBSOLETE page_regnum = SEG_C_REGNUM;
+// OBSOLETE break;
+// OBSOLETE case '0':
+// OBSOLETE case '1':
+// OBSOLETE case '2':
+// OBSOLETE case '3':
+// OBSOLETE page_regnum = SEG_D_REGNUM;
+// OBSOLETE break;
+// OBSOLETE case '4':
+// OBSOLETE case '5':
+// OBSOLETE page_regnum = SEG_E_REGNUM;
+// OBSOLETE break;
+// OBSOLETE case '6':
+// OBSOLETE case '7':
+// OBSOLETE page_regnum = SEG_T_REGNUM;
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE get_saved_register (regbuf, NULL, NULL, deprecated_selected_frame, page_regnum, NULL);
+// OBSOLETE regval = regbuf[0] << 16;
+// OBSOLETE
+// OBSOLETE get_saved_register (regbuf, NULL, NULL, deprecated_selected_frame, regnum, NULL);
+// OBSOLETE regval |= regbuf[0] << 8 | regbuf[1]; /* XXX host/target byte order */
+// OBSOLETE
+// OBSOLETE xfree (var->value); /* Free up old value */
+// OBSOLETE
+// OBSOLETE var->value = value_from_longest (builtin_type_unsigned_long, regval);
+// OBSOLETE release_value (var->value); /* Unchain new value */
+// OBSOLETE
+// OBSOLETE VALUE_LVAL (var->value) = lval_internalvar;
+// OBSOLETE VALUE_INTERNALVAR (var->value) = var;
+// OBSOLETE return var->value;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE h8500_set_trapped_internalvar (struct internalvar *var, struct value *newval,
+// OBSOLETE int bitpos, int bitsize, int offset)
+// OBSOLETE {
+// OBSOLETE char *page_regnum, *regnum;
+// OBSOLETE char expression[100];
+// OBSOLETE unsigned new_regval;
+// OBSOLETE struct type *type;
+// OBSOLETE enum type_code newval_type_code;
+// OBSOLETE
+// OBSOLETE type = check_typedef (VALUE_TYPE (newval));
+// OBSOLETE newval_type_code = TYPE_CODE (type);
+// OBSOLETE
+// OBSOLETE if ((newval_type_code != TYPE_CODE_INT
+// OBSOLETE && newval_type_code != TYPE_CODE_PTR)
+// OBSOLETE || TYPE_LENGTH (type) != sizeof (new_regval))
+// OBSOLETE error ("Illegal type (%s) for assignment to $%s\n",
+// OBSOLETE TYPE_NAME (VALUE_TYPE (newval)), var->name);
+// OBSOLETE
+// OBSOLETE new_regval = *(long *) VALUE_CONTENTS_RAW (newval);
+// OBSOLETE
+// OBSOLETE regnum = var->name + 1;
+// OBSOLETE
+// OBSOLETE switch (var->name[2])
+// OBSOLETE {
+// OBSOLETE case 'c':
+// OBSOLETE page_regnum = "cp";
+// OBSOLETE break;
+// OBSOLETE case '0':
+// OBSOLETE case '1':
+// OBSOLETE case '2':
+// OBSOLETE case '3':
+// OBSOLETE page_regnum = "dp";
+// OBSOLETE break;
+// OBSOLETE case '4':
+// OBSOLETE case '5':
+// OBSOLETE page_regnum = "ep";
+// OBSOLETE break;
+// OBSOLETE case '6':
+// OBSOLETE case '7':
+// OBSOLETE page_regnum = "tp";
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE sprintf (expression, "$%s=%d", page_regnum, new_regval >> 16);
+// OBSOLETE parse_and_eval (expression);
+// OBSOLETE
+// OBSOLETE sprintf (expression, "$%s=%d", regnum, new_regval & 0xffff);
+// OBSOLETE parse_and_eval (expression);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE h8500_read_sp (void)
+// OBSOLETE {
+// OBSOLETE return read_register (PR7_REGNUM);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE h8500_write_sp (CORE_ADDR v)
+// OBSOLETE {
+// OBSOLETE write_register (PR7_REGNUM, v);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE h8500_read_pc (ptid_t ptid)
+// OBSOLETE {
+// OBSOLETE return read_register (PC_REGNUM);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE h8500_write_pc (CORE_ADDR v, ptid_t ptid)
+// OBSOLETE {
+// OBSOLETE write_register (PC_REGNUM, v);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE h8500_read_fp (void)
+// OBSOLETE {
+// OBSOLETE return read_register (PR6_REGNUM);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE _initialize_h8500_tdep (void)
+// OBSOLETE {
+// OBSOLETE tm_print_insn = print_insn_h8500;
+// OBSOLETE
+// OBSOLETE add_prefix_cmd ("memory", no_class, set_memory,
+// OBSOLETE "set the memory model", &setmemorylist, "set memory ", 0,
+// OBSOLETE &setlist);
+// OBSOLETE
+// OBSOLETE add_cmd ("small", class_support, small_command,
+// OBSOLETE "Set small memory model. (16 bit code, 16 bit data)", &setmemorylist);
+// OBSOLETE
+// OBSOLETE add_cmd ("big", class_support, big_command,
+// OBSOLETE "Set big memory model. (32 bit code, 32 bit data)", &setmemorylist);
+// OBSOLETE
+// OBSOLETE add_cmd ("medium", class_support, medium_command,
+// OBSOLETE "Set medium memory model. (32 bit code, 16 bit data)", &setmemorylist);
+// OBSOLETE
+// OBSOLETE add_cmd ("compact", class_support, compact_command,
+// OBSOLETE "Set compact memory model. (16 bit code, 32 bit data)", &setmemorylist);
+// OBSOLETE
+// OBSOLETE }
projects / deliverable / binutils-gdb.git / blobdiff