-/* Target-machine dependent code for Zilog Z8000, for GDB.
-
- Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/*
- Contributed by Steve Chamberlain
- sac@cygnus.com
- */
-
-#include "defs.h"
-#include "frame.h"
-#include "symtab.h"
-#include "gdbcmd.h"
-#include "gdbtypes.h"
-#include "dis-asm.h"
-#include "gdbcore.h"
-#include "regcache.h"
-
-#include "value.h" /* For read_register() */
-
-
-static int read_memory_pointer (CORE_ADDR x);
-
-/* Return the saved PC from this frame.
-
- If the frame has a memory copy of SRP_REGNUM, use that. If not,
- just use the register SRP_REGNUM itself. */
-
-CORE_ADDR
-z8k_frame_saved_pc (struct frame_info *frame)
-{
- return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
-}
-
-#define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
-#define IS_PUSHW(x) (BIG ? ((x & 0xfff0) == 0x93e0):((x & 0xfff0)==0x93f0))
-#define IS_MOVE_FP(x) (BIG ? x == 0xa1ea : x == 0xa1fa)
-#define IS_MOV_SP_FP(x) (BIG ? x == 0x94ea : x == 0x0d76)
-#define IS_SUB2_SP(x) (x==0x1b87)
-#define IS_MOVK_R5(x) (x==0x7905)
-#define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
-#define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
-
-/* work out how much local space is on the stack and
- return the pc pointing to the first push */
-
-static CORE_ADDR
-skip_adjust (CORE_ADDR pc, int *size)
-{
- *size = 0;
-
- if (IS_PUSH_FP (read_memory_short (pc))
- && IS_MOV_SP_FP (read_memory_short (pc + 2)))
- {
- /* This is a function with an explict frame pointer */
- pc += 4;
- *size += 2; /* remember the frame pointer */
- }
-
- /* remember any stack adjustment */
- if (IS_SUB_SP (read_memory_short (pc)))
- {
- *size += read_memory_short (pc + 2);
- pc += 4;
- }
- return pc;
-}
-
-static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
-static CORE_ADDR
-examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
-{
- int w = read_memory_short (pc);
- int offset = 0;
- int regno;
-
- for (regno = 0; regno < NUM_REGS; regno++)
- regs[regno] = 0;
-
- while (IS_PUSHW (w) || IS_PUSHL (w))
- {
- /* work out which register is being pushed to where */
- if (IS_PUSHL (w))
- {
- regs[w & 0xf] = offset;
- regs[(w & 0xf) + 1] = offset + 2;
- offset += 4;
- }
- else
- {
- regs[w & 0xf] = offset;
- offset += 2;
- }
- pc += 2;
- w = read_memory_short (pc);
- }
-
- if (IS_MOVE_FP (w))
- {
- /* We know the fp */
-
- }
- else if (IS_SUB_SP (w))
- {
- /* Subtracting a value from the sp, so were in a function
- which needs stack space for locals, but has no fp. We fake up
- the values as if we had an fp */
- regs[FP_REGNUM] = sp;
- }
- else
- {
- /* This one didn't have an fp, we'll fake it up */
- regs[SP_REGNUM] = sp;
- }
- /* stack pointer contains address of next frame */
- /* regs[fp_regnum()] = fp; */
- regs[SP_REGNUM] = sp;
- return pc;
-}
-
-CORE_ADDR
-z8k_skip_prologue (CORE_ADDR start_pc)
-{
- CORE_ADDR dummy[NUM_REGS];
-
- return examine_frame (start_pc, dummy, 0);
-}
-
-CORE_ADDR
-z8k_addr_bits_remove (CORE_ADDR addr)
-{
- return (addr & PTR_MASK);
-}
-
-static int
-read_memory_pointer (CORE_ADDR x)
-{
- return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
-}
-
-CORE_ADDR
-z8k_frame_chain (struct frame_info *thisframe)
-{
- if (!inside_entry_file (get_frame_pc (thisframe)))
- {
- return read_memory_pointer (thisframe->frame);
- }
- 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. */
-
-void
-z8k_frame_init_saved_regs (struct frame_info *frame_info)
-{
- CORE_ADDR pc;
- int w;
-
- frame_saved_regs_zalloc (frame_info);
- pc = get_pc_function_start (get_frame_pc (frame_info));
-
- /* wander down the instruction stream */
- examine_frame (pc, frame_info->saved_regs, frame_info->frame);
-
-}
-
-void
-z8k_push_dummy_frame (void)
-{
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
-}
-
-int
-gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
-{
- if (BIG)
- return print_insn_z8001 (memaddr, info);
- else
- return print_insn_z8002 (memaddr, info);
-}
-
-/* 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 (CORE_ADDR addr, CORE_ADDR lim, short *pword1)
-{
- char buf[2];
- if (addr < lim + 8)
- {
- read_memory (addr, buf, 2);
- *pword1 = extract_signed_integer (buf, 2);
-
- return addr + 2;
- }
- return 0;
-}
-
-#if 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. */
-
-void
-frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
-{
- int locals;
- CORE_ADDR pc;
- CORE_ADDR adr;
- int i;
-
- memset (fsrp, 0, sizeof *fsrp);
-
- pc = skip_adjust (get_pc_function_start (get_frame_pc (fip)), &locals);
-
- {
- adr = get_frame_base (fip) - locals;
- for (i = 0; i < 8; i++)
- {
- int word = read_memory_short (pc);
-
- pc += 2;
- if (IS_PUSHL (word))
- {
- fsrp->regs[word & 0xf] = adr;
- fsrp->regs[(word & 0xf) + 1] = adr - 2;
- adr -= 4;
- }
- else if (IS_PUSHW (word))
- {
- fsrp->regs[word & 0xf] = adr;
- adr -= 2;
- }
- else
- break;
- }
-
- }
-
- fsrp->regs[PC_REGNUM] = fip->frame + 4;
- fsrp->regs[FP_REGNUM] = fip->frame;
-
-}
-#endif
-
-int
-z8k_saved_pc_after_call (struct frame_info *frame)
-{
- return ADDR_BITS_REMOVE
- (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
-}
-
-
-void
-extract_return_value (struct type *type, char *regbuf, char *valbuf)
-{
- int b;
- int len = TYPE_LENGTH (type);
-
- for (b = 0; b < len; b += 2)
- {
- int todo = len - b;
-
- if (todo > 2)
- todo = 2;
- memcpy (valbuf + b, regbuf + b, todo);
- }
-}
-
-void
-write_return_value (struct type *type, char *valbuf)
-{
- int reg;
- int len;
-
- for (len = 0; len < TYPE_LENGTH (type); len += 2)
- deprecated_write_register_bytes (REGISTER_BYTE (len / 2 + 2),
- valbuf + len, 2);
-}
-
-void
-store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
-{
- write_register (2, addr);
-}
-
-
-static void
-z8k_print_register_hook (int regno)
-{
- if ((regno & 1) == 0 && regno < 16)
- {
- unsigned char l[4];
-
- frame_register_read (deprecated_selected_frame, regno, l + 0);
- frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
- printf_unfiltered ("\t");
- printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
- }
-
- if ((regno & 3) == 0 && regno < 16)
- {
- unsigned char l[8];
-
- frame_register_read (deprecated_selected_frame, regno, l + 0);
- frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
- frame_register_read (deprecated_selected_frame, regno + 2, l + 4);
- frame_register_read (deprecated_selected_frame, regno + 3, l + 6);
-
- printf_unfiltered ("\t");
- printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
- l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
- }
- if (regno == 15)
- {
- unsigned short rval;
- int i;
-
- frame_register_read (deprecated_selected_frame, regno, (char *) (&rval));
-
- printf_unfiltered ("\n");
- for (i = 0; i < 10; i += 2)
- {
- printf_unfiltered ("(sp+%d=%04x)", i,
- (unsigned int)read_memory_short (rval + i));
- }
- }
-}
-
-static void
-z8k_print_registers_info (struct gdbarch *gdbarch,
- struct ui_file *file,
- struct frame_info *frame,
- int regnum, int print_all)
-{
- int i;
- const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
- char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
- char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
-
- for (i = 0; i < numregs; i++)
- {
- /* Decide between printing all regs, non-float / vector regs, or
- specific reg. */
- if (regnum == -1)
- {
- if (!print_all)
- {
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
- continue;
- if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
- continue;
- }
- }
- else
- {
- if (i != regnum)
- continue;
- }
-
- /* If the register name is empty, it is undefined for this
- processor, so don't display anything. */
- if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
- continue;
-
- fputs_filtered (REGISTER_NAME (i), file);
- print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
-
- /* Get the data in raw format. */
- if (! frame_register_read (frame, i, raw_buffer))
- {
- fprintf_filtered (file, "*value not available*\n");
- continue;
- }
-
- /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
- The function frame_register_read() should have returned the
- pre-cooked register so no conversion is necessary. */
- /* Convert raw data to virtual format if necessary. */
- if (REGISTER_CONVERTIBLE (i))
- {
- REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
- raw_buffer, virtual_buffer);
- }
- else
- {
- memcpy (virtual_buffer, raw_buffer,
- REGISTER_VIRTUAL_SIZE (i));
- }
-
- /* If virtual format is floating, print it that way, and in raw
- hex. */
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
- {
- int j;
-
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- file, 0, 1, 0, Val_pretty_default);
-
- fprintf_filtered (file, "\t(raw 0x");
- for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
- {
- int idx;
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
- idx = j;
- else
- idx = REGISTER_RAW_SIZE (i) - 1 - j;
- fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
- }
- fprintf_filtered (file, ")");
- }
- else
- {
- /* Print the register in hex. */
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- file, 'x', 1, 0, Val_pretty_default);
- /* If not a vector register, print it also according to its
- natural format. */
- if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
- {
- fprintf_filtered (file, "\t");
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- file, 0, 1, 0, Val_pretty_default);
- }
- }
-
- /* Some z8k specific info. */
- z8k_print_register_hook (i);
-
- fprintf_filtered (file, "\n");
- }
-}
-
-void
-z8k_do_registers_info (int regnum, int all)
-{
- z8k_print_registers_info (current_gdbarch, gdb_stdout,
- deprecated_selected_frame, regnum, all);
-}
-
-void
-z8k_pop_frame (void)
-{
-}
-
-struct cmd_list_element *setmemorylist;
-
-void
-z8k_set_pointer_size (int newsize)
-{
- static int oldsize = 0;
-
- if (oldsize != newsize)
- {
- printf_unfiltered ("pointer size set to %d bits\n", newsize);
- oldsize = newsize;
- if (newsize == 32)
- {
- BIG = 1;
- }
- else
- {
- BIG = 0;
- }
- /* FIXME: This code should be using the GDBARCH framework to
- handle changed type sizes. If this problem is ever fixed
- (the direct reference to _initialize_gdbtypes() below
- eliminated) then Makefile.in should be updated so that
- z8k-tdep.c is again compiled with -Werror. */
- _initialize_gdbtypes ();
- }
-}
-
-static void
-segmented_command (char *args, int from_tty)
-{
- z8k_set_pointer_size (32);
-}
-
-static void
-unsegmented_command (char *args, int from_tty)
-{
- z8k_set_pointer_size (16);
-}
-
-static void
-set_memory (char *args, int from_tty)
-{
- printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
- help_list (setmemorylist, "set memory ", -1, gdb_stdout);
-}
-
-void
-_initialize_z8ktdep (void)
-{
- tm_print_insn = gdb_print_insn_z8k;
-
- 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);
-
-}
+// OBSOLETE /* Target-machine dependent code for Zilog Z8000, for GDB.
+// OBSOLETE
+// OBSOLETE Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+// OBSOLETE 2002, 2003 Free Software Foundation, Inc.
+// OBSOLETE
+// OBSOLETE This file is part of GDB.
+// OBSOLETE
+// OBSOLETE This program is free software; you can redistribute it and/or modify
+// OBSOLETE it under the terms of the GNU General Public License as published by
+// OBSOLETE the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE (at your option) any later version.
+// OBSOLETE
+// OBSOLETE This program is distributed in the hope that it will be useful,
+// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// OBSOLETE GNU General Public License for more details.
+// OBSOLETE
+// OBSOLETE You should have received a copy of the GNU General Public License
+// OBSOLETE along with this program; if not, write to the Free Software
+// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE Boston, MA 02111-1307, USA. */
+// OBSOLETE
+// OBSOLETE /*
+// 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 "gdbcmd.h"
+// OBSOLETE #include "gdbtypes.h"
+// OBSOLETE #include "dis-asm.h"
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE
+// OBSOLETE #include "value.h" /* For read_register() */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE static int read_memory_pointer (CORE_ADDR x);
+// OBSOLETE
+// OBSOLETE /* Return the saved PC from this frame.
+// OBSOLETE
+// OBSOLETE If the frame has a memory copy of SRP_REGNUM, use that. If not,
+// OBSOLETE just use the register SRP_REGNUM itself. */
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_frame_saved_pc (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
+// OBSOLETE #define IS_PUSHW(x) (BIG ? ((x & 0xfff0) == 0x93e0):((x & 0xfff0)==0x93f0))
+// OBSOLETE #define IS_MOVE_FP(x) (BIG ? x == 0xa1ea : x == 0xa1fa)
+// OBSOLETE #define IS_MOV_SP_FP(x) (BIG ? x == 0x94ea : x == 0x0d76)
+// OBSOLETE #define IS_SUB2_SP(x) (x==0x1b87)
+// OBSOLETE #define IS_MOVK_R5(x) (x==0x7905)
+// OBSOLETE #define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
+// OBSOLETE #define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
+// OBSOLETE
+// OBSOLETE /* work out how much local space is on the stack and
+// OBSOLETE return the pc pointing to the first push */
+// OBSOLETE
+// OBSOLETE static CORE_ADDR
+// OBSOLETE skip_adjust (CORE_ADDR pc, int *size)
+// OBSOLETE {
+// OBSOLETE *size = 0;
+// OBSOLETE
+// OBSOLETE if (IS_PUSH_FP (read_memory_short (pc))
+// OBSOLETE && IS_MOV_SP_FP (read_memory_short (pc + 2)))
+// OBSOLETE {
+// OBSOLETE /* This is a function with an explict frame pointer */
+// OBSOLETE pc += 4;
+// OBSOLETE *size += 2; /* remember the frame pointer */
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* remember any stack adjustment */
+// OBSOLETE if (IS_SUB_SP (read_memory_short (pc)))
+// OBSOLETE {
+// OBSOLETE *size += read_memory_short (pc + 2);
+// OBSOLETE pc += 4;
+// OBSOLETE }
+// OBSOLETE return pc;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
+// OBSOLETE static CORE_ADDR
+// OBSOLETE examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE int w = read_memory_short (pc);
+// OBSOLETE int offset = 0;
+// OBSOLETE int regno;
+// OBSOLETE
+// OBSOLETE for (regno = 0; regno < NUM_REGS; regno++)
+// OBSOLETE regs[regno] = 0;
+// OBSOLETE
+// OBSOLETE while (IS_PUSHW (w) || IS_PUSHL (w))
+// OBSOLETE {
+// OBSOLETE /* work out which register is being pushed to where */
+// OBSOLETE if (IS_PUSHL (w))
+// OBSOLETE {
+// OBSOLETE regs[w & 0xf] = offset;
+// OBSOLETE regs[(w & 0xf) + 1] = offset + 2;
+// OBSOLETE offset += 4;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE regs[w & 0xf] = offset;
+// OBSOLETE offset += 2;
+// OBSOLETE }
+// OBSOLETE pc += 2;
+// OBSOLETE w = read_memory_short (pc);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (IS_MOVE_FP (w))
+// OBSOLETE {
+// OBSOLETE /* We know the fp */
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE else if (IS_SUB_SP (w))
+// OBSOLETE {
+// OBSOLETE /* Subtracting a value from the sp, so were in a function
+// OBSOLETE which needs stack space for locals, but has no fp. We fake up
+// OBSOLETE the values as if we had an fp */
+// OBSOLETE regs[FP_REGNUM] = sp;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* This one didn't have an fp, we'll fake it up */
+// OBSOLETE regs[SP_REGNUM] = sp;
+// OBSOLETE }
+// OBSOLETE /* stack pointer contains address of next frame */
+// OBSOLETE /* regs[fp_regnum()] = fp; */
+// OBSOLETE regs[SP_REGNUM] = sp;
+// OBSOLETE return pc;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_skip_prologue (CORE_ADDR start_pc)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR dummy[NUM_REGS];
+// OBSOLETE
+// OBSOLETE return examine_frame (start_pc, dummy, 0);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_addr_bits_remove (CORE_ADDR addr)
+// OBSOLETE {
+// OBSOLETE return (addr & PTR_MASK);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static int
+// OBSOLETE read_memory_pointer (CORE_ADDR x)
+// OBSOLETE {
+// OBSOLETE return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_frame_chain (struct frame_info *thisframe)
+// OBSOLETE {
+// OBSOLETE if (!inside_entry_file (get_frame_pc (thisframe)))
+// OBSOLETE {
+// OBSOLETE return read_memory_pointer (thisframe->frame);
+// OBSOLETE }
+// OBSOLETE return 0;
+// 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 z8k_frame_init_saved_regs (struct frame_info *frame_info)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR pc;
+// OBSOLETE int w;
+// OBSOLETE
+// OBSOLETE frame_saved_regs_zalloc (frame_info);
+// OBSOLETE pc = get_pc_function_start (get_frame_pc (frame_info));
+// OBSOLETE
+// OBSOLETE /* wander down the instruction stream */
+// OBSOLETE examine_frame (pc, frame_info->saved_regs, frame_info->frame);
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_push_dummy_frame (void)
+// OBSOLETE {
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
+// OBSOLETE {
+// OBSOLETE if (BIG)
+// OBSOLETE return print_insn_z8001 (memaddr, info);
+// OBSOLETE else
+// OBSOLETE return print_insn_z8002 (memaddr, info);
+// 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, short *pword1)
+// OBSOLETE {
+// OBSOLETE char buf[2];
+// OBSOLETE if (addr < lim + 8)
+// OBSOLETE {
+// OBSOLETE read_memory (addr, buf, 2);
+// OBSOLETE *pword1 = extract_signed_integer (buf, 2);
+// OBSOLETE
+// OBSOLETE return addr + 2;
+// OBSOLETE }
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #if 0
+// 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 We cache the result of doing this in the frame_cache_obstack, since
+// OBSOLETE it is fairly expensive. */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
+// OBSOLETE {
+// OBSOLETE int locals;
+// OBSOLETE CORE_ADDR pc;
+// OBSOLETE CORE_ADDR adr;
+// OBSOLETE int i;
+// OBSOLETE
+// OBSOLETE memset (fsrp, 0, sizeof *fsrp);
+// OBSOLETE
+// OBSOLETE pc = skip_adjust (get_pc_function_start (get_frame_pc (fip)), &locals);
+// OBSOLETE
+// OBSOLETE {
+// OBSOLETE adr = get_frame_base (fip) - locals;
+// OBSOLETE for (i = 0; i < 8; i++)
+// OBSOLETE {
+// OBSOLETE int word = read_memory_short (pc);
+// OBSOLETE
+// OBSOLETE pc += 2;
+// OBSOLETE if (IS_PUSHL (word))
+// OBSOLETE {
+// OBSOLETE fsrp->regs[word & 0xf] = adr;
+// OBSOLETE fsrp->regs[(word & 0xf) + 1] = adr - 2;
+// OBSOLETE adr -= 4;
+// OBSOLETE }
+// OBSOLETE else if (IS_PUSHW (word))
+// OBSOLETE {
+// OBSOLETE fsrp->regs[word & 0xf] = adr;
+// OBSOLETE adr -= 2;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE fsrp->regs[PC_REGNUM] = fip->frame + 4;
+// OBSOLETE fsrp->regs[FP_REGNUM] = fip->frame;
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE z8k_saved_pc_after_call (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE return ADDR_BITS_REMOVE
+// OBSOLETE (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE extract_return_value (struct type *type, char *regbuf, char *valbuf)
+// OBSOLETE {
+// OBSOLETE int b;
+// OBSOLETE int len = TYPE_LENGTH (type);
+// OBSOLETE
+// OBSOLETE for (b = 0; b < len; b += 2)
+// OBSOLETE {
+// OBSOLETE int todo = len - b;
+// OBSOLETE
+// OBSOLETE if (todo > 2)
+// OBSOLETE todo = 2;
+// OBSOLETE memcpy (valbuf + b, regbuf + b, todo);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE write_return_value (struct type *type, char *valbuf)
+// OBSOLETE {
+// OBSOLETE int reg;
+// OBSOLETE int len;
+// OBSOLETE
+// OBSOLETE for (len = 0; len < TYPE_LENGTH (type); len += 2)
+// OBSOLETE deprecated_write_register_bytes (REGISTER_BYTE (len / 2 + 2),
+// OBSOLETE valbuf + len, 2);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE write_register (2, addr);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE z8k_print_register_hook (int regno)
+// OBSOLETE {
+// OBSOLETE if ((regno & 1) == 0 && regno < 16)
+// OBSOLETE {
+// OBSOLETE unsigned char l[4];
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, l + 0);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
+// OBSOLETE printf_unfiltered ("\t");
+// OBSOLETE printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if ((regno & 3) == 0 && regno < 16)
+// OBSOLETE {
+// OBSOLETE unsigned char l[8];
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, l + 0);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 2, l + 4);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 3, l + 6);
+// OBSOLETE
+// OBSOLETE printf_unfiltered ("\t");
+// OBSOLETE printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
+// OBSOLETE l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
+// OBSOLETE }
+// OBSOLETE if (regno == 15)
+// OBSOLETE {
+// OBSOLETE unsigned short rval;
+// OBSOLETE int i;
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, (char *) (&rval));
+// OBSOLETE
+// OBSOLETE printf_unfiltered ("\n");
+// OBSOLETE for (i = 0; i < 10; i += 2)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("(sp+%d=%04x)", i,
+// OBSOLETE (unsigned int)read_memory_short (rval + i));
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE z8k_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 z8k specific info. */
+// OBSOLETE z8k_print_register_hook (i);
+// OBSOLETE
+// OBSOLETE fprintf_filtered (file, "\n");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_do_registers_info (int regnum, int all)
+// OBSOLETE {
+// OBSOLETE z8k_print_registers_info (current_gdbarch, gdb_stdout,
+// OBSOLETE deprecated_selected_frame, regnum, all);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_pop_frame (void)
+// OBSOLETE {
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE struct cmd_list_element *setmemorylist;
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_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 BIG = 1;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE BIG = 0;
+// OBSOLETE }
+// OBSOLETE /* FIXME: This code should be using the GDBARCH framework to
+// OBSOLETE handle changed type sizes. If this problem is ever fixed
+// OBSOLETE (the direct reference to _initialize_gdbtypes() below
+// OBSOLETE eliminated) then Makefile.in should be updated so that
+// OBSOLETE z8k-tdep.c is again compiled with -Werror. */
+// OBSOLETE _initialize_gdbtypes ();
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE segmented_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE z8k_set_pointer_size (32);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE unsegmented_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE z8k_set_pointer_size (16);
+// OBSOLETE }
+// 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 void
+// OBSOLETE _initialize_z8ktdep (void)
+// OBSOLETE {
+// OBSOLETE tm_print_insn = gdb_print_insn_z8k;
+// OBSOLETE
+// OBSOLETE add_prefix_cmd ("memory", no_class, set_memory,
+// OBSOLETE "set the memory model", &setmemorylist, "set memory ", 0,
+// OBSOLETE &setlist);
+// OBSOLETE add_cmd ("segmented", class_support, segmented_command,
+// OBSOLETE "Set segmented memory model.", &setmemorylist);
+// OBSOLETE add_cmd ("unsegmented", class_support, unsegmented_command,
+// OBSOLETE "Set unsegmented memory model.", &setmemorylist);
+// OBSOLETE
+// OBSOLETE }
projects / deliverable / binutils-gdb.git / commitdiff
