#include "defs.h"
#include "value.h"
#include "inferior.h"
#include "symfile.h"
#include "arch-utils.h"
#include "regcache.h"
#include "gdbcore.h"
#include "objfiles.h"
#include "gdbcmd.h"
struct frame_extra_info
{
CORE_ADDR from_pc;
CORE_ADDR args_pointer;
CORE_ADDR locals_pointer;
};
#define E_NUM_REGS (h8300smode ? 14 : 13)
enum
{
h8300_reg_size = 2,
h8300h_reg_size = 4,
h8300_max_reg_size = 4,
};
#define BINWORD (h8300hmode ? h8300h_reg_size : h8300_reg_size)
enum gdb_regnum
{
E_R0_REGNUM, E_ER0_REGNUM = E_R0_REGNUM, E_ARG0_REGNUM = E_R0_REGNUM,
E_R1_REGNUM, E_ER1_REGNUM = E_R1_REGNUM,
E_R2_REGNUM, E_ER2_REGNUM = E_R2_REGNUM, E_ARGLAST_REGNUM = E_R2_REGNUM,
E_R3_REGNUM, E_ER3_REGNUM = E_R3_REGNUM,
E_R4_REGNUM, E_ER4_REGNUM = E_R4_REGNUM,
E_R5_REGNUM, E_ER5_REGNUM = E_R5_REGNUM,
E_R6_REGNUM, E_ER6_REGNUM = E_R6_REGNUM, E_FP_REGNUM = E_R6_REGNUM,
E_SP_REGNUM,
E_CCR_REGNUM,
E_PC_REGNUM,
E_CYCLES_REGNUM,
E_TICK_REGNUM, E_EXR_REGNUM = E_TICK_REGNUM,
E_INST_REGNUM, E_TICKS_REGNUM = E_INST_REGNUM,
E_INSTS_REGNUM
};
#define UNSIGNED_SHORT(X) ((X) & 0xffff)
#define IS_PUSH(x) ((x & 0xfff0)==0x6df0)
#define IS_PUSH_FP(x) (x == 0x6df6)
#define IS_MOVE_FP(x) (x == 0x0d76 || x == 0x0ff6)
#define IS_MOV_SP_FP(x) (x == 0x0d76 || x == 0x0ff6)
#define IS_SUB2_SP(x) (x==0x1b87)
#define IS_SUB4_SP(x) (x==0x1b97)
#define IS_SUBL_SP(x) (x==0x7a37)
#define IS_MOVK_R5(x) (x==0x7905)
#define IS_SUB_R5SP(x) (x==0x1957)
static int
h8300_is_argument_spill (CORE_ADDR pc)
{
int w = read_memory_unsigned_integer (pc, 2);
if ((w & 0xfff0) == 0x6ee0
&& 8 <= (w & 0xf) && (w & 0xf) <= 10)
{
int w2 = read_memory_integer (pc + 2, 2);
if (w2 < 0)
return 4;
}
else if (w == 0x7860)
{
int w2 = read_memory_integer (pc + 2, 2);
if ((w2 & 0xfff0) == 0x6aa0)
{
LONGEST disp = read_memory_integer (pc + 4, 4);
if (disp < 0 && disp > 0xffffff)
return 8;
}
}
else if ((w & 0xfff0) == 0x6fe0
&& (w & 0xf) <= 2)
{
int w2 = read_memory_integer (pc + 2, 2);
if (w2 < 0)
return 4;
}
else if (w == 0x78e0)
{
int w2 = read_memory_integer (pc + 2, 2);
if ((w2 & 0xfff0) == 0x6ba0)
{
LONGEST disp = read_memory_integer (pc + 4, 4);
if (disp < 0 && disp > 0xffffff)
return 8;
}
}
else if (w == 0x0100)
{
int w2 = read_memory_integer (pc + 2, 2);
if ((w2 & 0xfff0) == 0x6fe0
&& (w2 & 0xf) <= 2)
{
int w3 = read_memory_integer (pc + 4, 2);
if (w3 < 0)
return 6;
}
else if (w2 == 0x78e0)
{
int w3 = read_memory_integer (pc + 4, 2);
if ((w3 & 0xfff0) == 0x6ba0)
{
LONGEST disp = read_memory_integer (pc + 6, 4);
if (disp < 0 && disp > 0xffffff)
return 10;
}
}
}
return 0;
}
static CORE_ADDR
h8300_skip_prologue (CORE_ADDR start_pc)
{
short int w;
int adjust = 0;
while (1)
{
w = read_memory_unsigned_integer (start_pc, 2);
if (w == 0x0100 || w == 0x0110 || w == 0x0120 || w == 0x0130)
{
w = read_memory_unsigned_integer (start_pc + 2, 2);
adjust = 2;
}
if (IS_PUSH (w))
{
start_pc += 2 + adjust;
w = read_memory_unsigned_integer (start_pc, 2);
continue;
}
adjust = 0;
break;
}
w = read_memory_unsigned_integer (start_pc, 2);
if (w == 0x0100)
{
w = read_memory_unsigned_integer (start_pc + 2, 2);
adjust += 2;
}
if (IS_MOVE_FP (w))
{
start_pc += 2 + adjust;
w = read_memory_unsigned_integer (start_pc, 2);
}
if (IS_MOVK_R5 (w))
{
start_pc += 2;
w = read_memory_unsigned_integer (start_pc, 2);
}
if (IS_SUB_R5SP (w))
{
start_pc += 2 + adjust;
w = read_memory_unsigned_integer (start_pc, 2);
}
while (IS_SUB2_SP (w) || IS_SUB4_SP (w))
{
start_pc += 2 + adjust;
w = read_memory_unsigned_integer (start_pc, 2);
}
if (IS_SUBL_SP (w))
start_pc += 6 + adjust;
for (;;)
{
int spill_size = h8300_is_argument_spill (start_pc);
if (spill_size == 0)
break;
start_pc += spill_size;
}
return start_pc;
}
static int
gdb_print_insn_h8300 (bfd_vma memaddr, disassemble_info * info)
{
if (h8300smode)
return print_insn_h8300s (memaddr, info);
else if (h8300hmode)
return print_insn_h8300h (memaddr, info);
else
return print_insn_h8300 (memaddr, info);
}
static CORE_ADDR
h8300_next_prologue_insn (CORE_ADDR addr, CORE_ADDR lim, unsigned 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;
}
static CORE_ADDR
h8300_examine_prologue (register CORE_ADDR ip, register CORE_ADDR limit,
CORE_ADDR after_prolog_fp, CORE_ADDR *fsr,
struct frame_info *fi)
{
register CORE_ADDR next_ip;
int r;
int have_fp = 0;
unsigned short insn_word;
unsigned int reg_save_depth = BINWORD;
unsigned int auto_depth = 0;
char in_frame[11];
int adjust = 0;
memset (in_frame, 1, 11);
for (r = 0; r < 8; r++)
{
fsr[r] = 0;
}
if (after_prolog_fp == 0)
{
after_prolog_fp = read_register (E_SP_REGNUM);
}
if (ip == 0 || ip & (h8300hmode ? ~0xffffff : ~0xffff))
return 0;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
if (insn_word == 0x0100)
{
insn_word = read_memory_unsigned_integer (ip + 2, 2);
adjust = 2;
}
fsr[E_FP_REGNUM] = after_prolog_fp;
while (next_ip && IS_PUSH_FP (insn_word))
{
ip = next_ip + adjust;
in_frame[insn_word & 0x7] = reg_save_depth;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
reg_save_depth += 2 + adjust;
}
if (next_ip && IS_MOV_SP_FP (insn_word))
{
ip = next_ip;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
have_fp = 1;
}
if (next_ip && (IS_SUB2_SP (insn_word) || IS_SUB4_SP (insn_word)))
{
while (next_ip && (IS_SUB2_SP (insn_word) || IS_SUB4_SP (insn_word)))
{
auto_depth += IS_SUB2_SP (insn_word) ? 2 : 4;
ip = next_ip;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
}
}
else
{
if (next_ip && IS_MOVK_R5 (insn_word))
{
ip = next_ip;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
auto_depth += insn_word;
next_ip = h8300_next_prologue_insn (next_ip, limit, &insn_word);
auto_depth += insn_word;
}
if (next_ip && IS_SUBL_SP (insn_word))
{
ip = next_ip;
auto_depth += read_memory_unsigned_integer (ip, 4);
ip += 4;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
}
}
while (1)
{
adjust = 0;
if (!next_ip)
break;
if (insn_word == 0x0100)
{
ip = next_ip;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
adjust = 2;
}
if (IS_PUSH (insn_word))
{
auto_depth += 2 + adjust;
fsr[insn_word & 0x7] = after_prolog_fp - auto_depth;
ip = next_ip;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
continue;
}
if (insn_word == 0x0110 || insn_word == 0x0120 || insn_word == 0x0130)
{
int count = ((insn_word >> 4) & 0xf) + 1;
int start, i;
ip = next_ip;
next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
start = insn_word & 0x7;
for (i = start; i < start + count; i++)
{
auto_depth += 4;
fsr[i] = after_prolog_fp - auto_depth;
}
}
break;
}
fi->extra_info->args_pointer = after_prolog_fp;
fi->extra_info->locals_pointer = after_prolog_fp;
fi->extra_info->from_pc =
read_memory_unsigned_integer (after_prolog_fp + BINWORD, BINWORD);
in_frame[E_PC_REGNUM] = 0;
if (have_fp)
fsr[E_SP_REGNUM] = read_memory_unsigned_integer (fsr[E_FP_REGNUM], BINWORD);
else
fsr[E_SP_REGNUM] = after_prolog_fp + auto_depth;
return (ip);
}
static void
h8300_frame_init_saved_regs (struct frame_info *fi)
{
CORE_ADDR func_addr, func_end;
if (!fi->saved_regs)
{
frame_saved_regs_zalloc (fi);
if (find_pc_partial_function (fi->pc, NULL, &func_addr, &func_end))
{
struct symtab_and_line sal = find_pc_line (func_addr, 0);
CORE_ADDR limit = (sal.end && sal.end < fi->pc) ? sal.end : fi->pc;
h8300_examine_prologue (func_addr, limit, fi->frame, fi->saved_regs, fi);
}
}
}
static CORE_ADDR
h8300_frame_chain (struct frame_info *thisframe)
{
if (PC_IN_CALL_DUMMY (thisframe->pc, thisframe->frame, thisframe->frame))
{
thisframe->extra_info->from_pc =
deprecated_read_register_dummy (thisframe->pc, thisframe->frame,
E_PC_REGNUM);
return thisframe->frame;
}
return thisframe->saved_regs[E_SP_REGNUM];
}
static CORE_ADDR
h8300_frame_saved_pc (struct frame_info *frame)
{
if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
return deprecated_read_register_dummy (frame->pc, frame->frame,
E_PC_REGNUM);
else
return frame->extra_info->from_pc;
}
static void
h8300_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
if (!fi->extra_info)
{
fi->extra_info = (struct frame_extra_info *)
frame_obstack_alloc (sizeof (struct frame_extra_info));
fi->extra_info->from_pc = 0;
fi->extra_info->args_pointer = 0;
fi->extra_info->locals_pointer = 0;
if (!fi->pc)
{
if (fi->next)
fi->pc = h8300_frame_saved_pc (fi->next);
}
h8300_frame_init_saved_regs (fi);
}
}
static CORE_ADDR
h8300_frame_locals_address (struct frame_info *fi)
{
if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
return (CORE_ADDR) 0;
return fi->extra_info->locals_pointer;
}
static CORE_ADDR
h8300_frame_args_address (struct frame_info *fi)
{
if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
return (CORE_ADDR) 0;
return fi->extra_info->args_pointer;
}
#define round_up(n, unit) (((n) + (unit) - 1) & -(unit))
#define round_down(n, unit) ((n) & -(unit))
static CORE_ADDR
h8300_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
int stack_align, stack_alloc, stack_offset;
int wordsize = BINWORD;
int reg;
int argument;
sp = round_down (sp, wordsize);
stack_alloc = 0;
for (argument = 0; argument < nargs; argument++)
stack_alloc += round_up (TYPE_LENGTH (VALUE_TYPE (args[argument])),
wordsize);
sp -= stack_alloc;
reg = E_ARG0_REGNUM;
stack_offset = 0;
if (struct_return)
write_register (reg++, struct_addr);
for (argument = 0; argument < nargs; argument++)
{
struct type *type = VALUE_TYPE (args[argument]);
int len = TYPE_LENGTH (type);
char *contents = (char *) VALUE_CONTENTS (args[argument]);
int padded_len = round_up (len, wordsize);
char *padded = alloca (padded_len);
memset (padded, 0, padded_len);
memcpy (len < wordsize ? padded + padded_len - len : padded,
contents, len);
if (padded_len <= (E_ARGLAST_REGNUM - reg + 1) * wordsize)
{
if (len > wordsize && len % wordsize)
{
write_memory (sp + stack_offset, padded, padded_len);
stack_offset += padded_len;
reg += padded_len / wordsize;
}
else
{
int offset;
for (offset = 0; offset < padded_len; offset += wordsize)
{
ULONGEST word = extract_address (padded + offset, wordsize);
write_register (reg++, word);
}
}
}
else
{
write_memory (sp + stack_offset, padded, padded_len);
stack_offset += padded_len;
reg = E_ARGLAST_REGNUM + 1;
}
}
return sp;
}
static CORE_ADDR
h8300_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
{
unsigned char buf[4];
int wordsize = BINWORD;
sp -= wordsize;
store_unsigned_integer (buf, wordsize, CALL_DUMMY_ADDRESS ());
write_memory (sp, buf, wordsize);
return sp;
}
static void
h8300_pop_frame (void)
{
unsigned regno;
struct frame_info *frame = get_current_frame ();
if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
{
generic_pop_dummy_frame ();
}
else
{
for (regno = 0; regno < 8; regno++)
{
if (frame->saved_regs[regno] && regno != E_SP_REGNUM)
write_register (regno,
read_memory_integer (frame->saved_regs[regno],
BINWORD));
else if (frame->saved_regs[regno] && regno == E_SP_REGNUM)
write_register (regno, frame->frame + 2 * BINWORD);
}
write_register (E_PC_REGNUM, frame->extra_info->from_pc);
}
flush_cached_frames ();
}
static void
h8300_extract_return_value (struct type *type, char *regbuf, char *valbuf)
{
int wordsize = BINWORD;
int len = TYPE_LENGTH (type);
switch (len)
{
case 1:
case 2:
memcpy (valbuf, regbuf + REGISTER_BYTE (0) + (wordsize - len), len);
break;
case 4:
if (wordsize == 4)
{
memcpy (valbuf, regbuf + REGISTER_BYTE (0), 4);
}
else
{
memcpy (valbuf, regbuf + REGISTER_BYTE (0), 2);
memcpy (valbuf + 2, regbuf + REGISTER_BYTE (1), 2);
}
break;
case 8:
error ("I don't know how a double is returned.");
break;
}
}
static void
h8300_store_return_value (struct type *type, char *valbuf)
{
int regval;
int wordsize = BINWORD;
int len = TYPE_LENGTH (type);
switch (len)
{
case 1:
case 2:
regval = extract_address (valbuf, len);
write_register (0, regval);
break;
case 4:
regval = extract_address (valbuf, len);
if (wordsize == 4)
{
write_register (0, regval);
}
else
{
write_register (0, regval >> 16);
write_register (1, regval & 0xffff);
}
break;
case 8:
error ("I don't know how to return a double.");
break;
}
}
static struct cmd_list_element *setmachinelist;
static const char *
h8300_register_name (int regno)
{
static char *h8300_register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6",
"sp", "ccr","pc","cycles", "tick", "inst", ""
};
static char *h8300s_register_names[] = {
"er0", "er1", "er2", "er3", "er4", "er5", "er6",
"sp", "ccr", "pc", "cycles", "exr", "tick", "inst"
};
char **register_names =
h8300smode ? h8300s_register_names : h8300_register_names;
if (regno < 0 || regno >= E_NUM_REGS)
internal_error (__FILE__, __LINE__,
"h8300_register_name: illegal register number %d", regno);
else
return register_names[regno];
}
static void
h8300_print_register (int regno)
{
long val = read_register (regno);
const char *name = h8300_register_name (regno);
if (!name || !*name)
return;
printf_filtered ("%-14s ", name);
if (h8300hmode)
{
if (val)
printf_filtered ("0x%08lx %-8ld", val, val);
else
printf_filtered ("0x%-8lx %-8ld", val, val);
}
else
{
if (val)
printf_filtered ("0x%04lx %-4ld", val, val);
else
printf_filtered ("0x%-4lx %-4ld", val, val);
}
if (regno == E_CCR_REGNUM)
{
int C, Z, N, V;
unsigned char b[h8300h_reg_size];
unsigned char l;
frame_register_read (selected_frame, regno, b);
l = b[REGISTER_VIRTUAL_SIZE (E_CCR_REGNUM) - 1];
printf_unfiltered ("\t");
printf_unfiltered ("I-%d ", (l & 0x80) != 0);
printf_unfiltered ("UI-%d ", (l & 0x40) != 0);
printf_unfiltered ("H-%d ", (l & 0x20) != 0);
printf_unfiltered ("U-%d ", (l & 0x10) != 0);
N = (l & 0x8) != 0;
Z = (l & 0x4) != 0;
V = (l & 0x2) != 0;
C = (l & 0x1) != 0;
printf_unfiltered ("N-%d ", N);
printf_unfiltered ("Z-%d ", Z);
printf_unfiltered ("V-%d ", V);
printf_unfiltered ("C-%d ", C);
if ((C | Z) == 0)
printf_unfiltered ("u> ");
if ((C | Z) == 1)
printf_unfiltered ("u<= ");
if ((C == 0))
printf_unfiltered ("u>= ");
if (C == 1)
printf_unfiltered ("u< ");
if (Z == 0)
printf_unfiltered ("!= ");
if (Z == 1)
printf_unfiltered ("== ");
if ((N ^ V) == 0)
printf_unfiltered (">= ");
if ((N ^ V) == 1)
printf_unfiltered ("< ");
if ((Z | (N ^ V)) == 0)
printf_unfiltered ("> ");
if ((Z | (N ^ V)) == 1)
printf_unfiltered ("<= ");
}
else if (regno == E_EXR_REGNUM && h8300smode)
{
unsigned char b[h8300h_reg_size];
unsigned char l;
frame_register_read (selected_frame, regno, b);
l = b[REGISTER_VIRTUAL_SIZE (E_EXR_REGNUM) - 1];
printf_unfiltered ("\t");
printf_unfiltered ("T-%d - - - ", (l & 0x80) != 0);
printf_unfiltered ("I2-%d ", (l & 4) != 0);
printf_unfiltered ("I1-%d ", (l & 2) != 0);
printf_unfiltered ("I0-%d", (l & 1) != 0);
}
printf_filtered ("\n");
}
static void
h8300_do_registers_info (int regno, int cpregs)
{
if (regno < 0)
for (regno = 0; regno < E_NUM_REGS; ++regno)
h8300_print_register (regno);
else
h8300_print_register (regno);
}
static CORE_ADDR
h8300_saved_pc_after_call (struct frame_info *ignore)
{
return read_memory_unsigned_integer (read_register (E_SP_REGNUM), BINWORD);
}
static int
h8300_register_byte (int regno)
{
if (regno < 0 || regno >= E_NUM_REGS)
internal_error (__FILE__, __LINE__,
"h8300_register_byte: illegal register number %d", regno);
else
return regno * BINWORD;
}
static int
h8300_register_raw_size (int regno)
{
if (regno < 0 || regno >= E_NUM_REGS)
internal_error (__FILE__, __LINE__,
"h8300_register_raw_size: illegal register number %d",
regno);
else
return BINWORD;
}
static struct type *
h8300_register_virtual_type (int regno)
{
if (regno < 0 || regno >= E_NUM_REGS)
internal_error (__FILE__, __LINE__,
"h8300_register_virtual_type: illegal register number %d",
regno);
else
return h8300hmode ?
builtin_type_unsigned_long : builtin_type_unsigned_short;
}
static void
h8300_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
write_register (0, addr);
}
static int
h8300_use_struct_convention (int gcc_p, struct type *type)
{
return 1;
}
static CORE_ADDR
h8300_extract_struct_value_address (char *regbuf)
{
return extract_address (regbuf + h8300_register_byte (E_ARG0_REGNUM),
h8300_register_raw_size (E_ARG0_REGNUM));
}
const static unsigned char *
h8300_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static unsigned char breakpoint[] = { 0x01, 0x80 };
*lenptr = sizeof (breakpoint);
return breakpoint;
}
static void
h8300_print_float_info (struct gdbarch *gdbarch, struct ui_file *file,
struct frame_info *frame, const char *args)
{
fprintf_filtered (file, "\
No floating-point info available for this processor.\n");
}
static struct gdbarch *
h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
static LONGEST call_dummy_words[1] = { 0 };
struct gdbarch_tdep *tdep = NULL;
struct gdbarch *gdbarch;
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return arches->gdbarch;
#if 0
tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
#endif
if (info.bfd_arch_info->arch != bfd_arch_h8300)
return NULL;
switch (info.bfd_arch_info->mach)
{
case bfd_mach_h8300:
h8300smode = 0;
h8300hmode = 0;
break;
case bfd_mach_h8300h:
h8300smode = 0;
h8300hmode = 1;
break;
case bfd_mach_h8300s:
h8300smode = 1;
h8300hmode = 1;
break;
}
gdbarch = gdbarch_alloc (&info, 0);
set_gdbarch_num_regs (gdbarch, E_NUM_REGS);
set_gdbarch_num_pseudo_regs (gdbarch, 0);
set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);
set_gdbarch_fp_regnum (gdbarch, E_FP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
set_gdbarch_register_name (gdbarch, h8300_register_name);
set_gdbarch_register_size (gdbarch, BINWORD);
set_gdbarch_register_bytes (gdbarch, E_NUM_REGS * BINWORD);
set_gdbarch_register_byte (gdbarch, h8300_register_byte);
set_gdbarch_register_raw_size (gdbarch, h8300_register_raw_size);
set_gdbarch_max_register_raw_size (gdbarch, h8300h_reg_size);
set_gdbarch_register_virtual_size (gdbarch, h8300_register_raw_size);
set_gdbarch_max_register_virtual_size (gdbarch, h8300h_reg_size);
set_gdbarch_register_virtual_type (gdbarch, h8300_register_virtual_type);
set_gdbarch_do_registers_info (gdbarch, h8300_do_registers_info);
set_gdbarch_print_float_info (gdbarch, h8300_print_float_info);
set_gdbarch_init_extra_frame_info (gdbarch, h8300_init_extra_frame_info);
set_gdbarch_frame_init_saved_regs (gdbarch, h8300_frame_init_saved_regs);
set_gdbarch_frame_chain (gdbarch, h8300_frame_chain);
set_gdbarch_get_saved_register (gdbarch, generic_unwind_get_saved_register);
set_gdbarch_saved_pc_after_call (gdbarch, h8300_saved_pc_after_call);
set_gdbarch_frame_saved_pc (gdbarch, h8300_frame_saved_pc);
set_gdbarch_skip_prologue (gdbarch, h8300_skip_prologue);
set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
set_gdbarch_frame_args_address (gdbarch, h8300_frame_args_address);
set_gdbarch_frame_locals_address (gdbarch, h8300_frame_locals_address);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_frame_args_skip (gdbarch, 0);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
set_gdbarch_frameless_function_invocation (gdbarch,
frameless_look_for_prologue);
set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
set_gdbarch_push_return_address (gdbarch, h8300_push_return_address);
set_gdbarch_deprecated_extract_return_value (gdbarch, h8300_extract_return_value);
set_gdbarch_push_arguments (gdbarch, h8300_push_arguments);
set_gdbarch_pop_frame (gdbarch, h8300_pop_frame);
set_gdbarch_store_struct_return (gdbarch, h8300_store_struct_return);
set_gdbarch_deprecated_store_return_value (gdbarch, h8300_store_return_value);
set_gdbarch_deprecated_extract_struct_value_address (gdbarch, h8300_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, h8300_use_struct_convention);
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
set_gdbarch_call_dummy_start_offset (gdbarch, 0);
set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
set_gdbarch_call_dummy_length (gdbarch, 0);
set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_words);
set_gdbarch_sizeof_call_dummy_words (gdbarch, 0);
set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
set_gdbarch_breakpoint_from_pc (gdbarch, h8300_breakpoint_from_pc);
set_gdbarch_int_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_ptr_bit (gdbarch, BINWORD * TARGET_CHAR_BIT);
set_gdbarch_addr_bit (gdbarch, BINWORD * TARGET_CHAR_BIT);
set_gdbarch_extra_stack_alignment_needed (gdbarch, 0);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
return gdbarch;
}
void
_initialize_h8300_tdep (void)
{
tm_print_insn = gdb_print_insn_h8300;
register_gdbarch_init (bfd_arch_h8300, h8300_gdbarch_init);
}