#include "defs.h"
#include "frame.h"
#include "obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "gdb_string.h"
#include "value.h"
#include "inferior.h"
#include "dis-asm.h"
#include "symfile.h"
#include "objfiles.h"
#include "arch-utils.h"
#include "regcache.h"
#include "target.h"
#include "opcode/m68hc11.h"
#define HARD_X_REGNUM 0
#define HARD_D_REGNUM 1
#define HARD_Y_REGNUM 2
#define HARD_SP_REGNUM 3
#define HARD_PC_REGNUM 4
#define HARD_A_REGNUM 5
#define HARD_B_REGNUM 6
#define HARD_CCR_REGNUM 7
#define M68HC11_LAST_HARD_REG (HARD_CCR_REGNUM)
#define SOFT_Z_REGNUM 8
#define SOFT_FP_REGNUM 9
#define SOFT_TMP_REGNUM 10
#define SOFT_ZS_REGNUM 11
#define SOFT_XY_REGNUM 12
#define SOFT_UNUSED_REGNUM 13
#define SOFT_D1_REGNUM 14
#define SOFT_D32_REGNUM (SOFT_D1_REGNUM+31)
#define M68HC11_MAX_SOFT_REGS 32
#define M68HC11_NUM_REGS (8)
#define M68HC11_NUM_PSEUDO_REGS (M68HC11_MAX_SOFT_REGS+5)
#define M68HC11_ALL_REGS (M68HC11_NUM_REGS+M68HC11_NUM_PSEUDO_REGS)
#define M68HC11_REG_SIZE (2)
struct insn_sequence;
struct gdbarch_tdep
{
int stack_correction;
struct insn_sequence *prologue;
};
#define M6811_TDEP gdbarch_tdep (current_gdbarch)
#define STACK_CORRECTION (M6811_TDEP->stack_correction)
struct frame_extra_info
{
int frame_reg;
CORE_ADDR return_pc;
CORE_ADDR dummy;
int frameless;
int size;
};
static char *
m68hc11_register_names[] =
{
"x", "d", "y", "sp", "pc", "a", "b",
"ccr", "z", "frame","tmp", "zs", "xy", 0,
"d1", "d2", "d3", "d4", "d5", "d6", "d7",
"d8", "d9", "d10", "d11", "d12", "d13", "d14",
"d15", "d16", "d17", "d18", "d19", "d20", "d21",
"d22", "d23", "d24", "d25", "d26", "d27", "d28",
"d29", "d30", "d31", "d32"
};
struct m68hc11_soft_reg
{
const char *name;
CORE_ADDR addr;
};
static struct m68hc11_soft_reg soft_regs[M68HC11_ALL_REGS];
#define M68HC11_FP_ADDR soft_regs[SOFT_FP_REGNUM].addr
static int soft_min_addr;
static int soft_max_addr;
static int soft_reg_initialized = 0;
static void
m68hc11_get_register_info (struct m68hc11_soft_reg *reg, const char *name)
{
struct minimal_symbol *msymbol;
msymbol = lookup_minimal_symbol (name, NULL, NULL);
if (msymbol)
{
reg->addr = SYMBOL_VALUE_ADDRESS (msymbol);
reg->name = xstrdup (name);
if (reg->addr < (CORE_ADDR) soft_min_addr)
soft_min_addr = reg->addr;
if (reg->addr > (CORE_ADDR) soft_max_addr)
soft_max_addr = reg->addr;
}
else
{
reg->name = 0;
reg->addr = 0;
}
}
static void
m68hc11_initialize_register_info (void)
{
int i;
if (soft_reg_initialized)
return;
soft_min_addr = INT_MAX;
soft_max_addr = 0;
for (i = 0; i < M68HC11_ALL_REGS; i++)
{
soft_regs[i].name = 0;
}
m68hc11_get_register_info (&soft_regs[SOFT_FP_REGNUM], "_.frame");
m68hc11_get_register_info (&soft_regs[SOFT_TMP_REGNUM], "_.tmp");
m68hc11_get_register_info (&soft_regs[SOFT_ZS_REGNUM], "_.z");
soft_regs[SOFT_Z_REGNUM] = soft_regs[SOFT_ZS_REGNUM];
m68hc11_get_register_info (&soft_regs[SOFT_XY_REGNUM], "_.xy");
for (i = SOFT_D1_REGNUM; i < M68HC11_MAX_SOFT_REGS; i++)
{
char buf[10];
sprintf (buf, "_.d%d", i - SOFT_D1_REGNUM + 1);
m68hc11_get_register_info (&soft_regs[i], buf);
}
if (soft_regs[SOFT_FP_REGNUM].name == 0)
{
warning ("No frame soft register found in the symbol table.\n");
warning ("Stack backtrace will not work.\n");
}
soft_reg_initialized = 1;
}
static int
m68hc11_which_soft_register (CORE_ADDR addr)
{
int i;
if (addr < soft_min_addr || addr > soft_max_addr)
return -1;
for (i = SOFT_FP_REGNUM; i < M68HC11_ALL_REGS; i++)
{
if (soft_regs[i].name && soft_regs[i].addr == addr)
return i;
}
return -1;
}
void
m68hc11_fetch_pseudo_register (int regno)
{
char buf[MAX_REGISTER_RAW_SIZE];
m68hc11_initialize_register_info ();
if (soft_regs[regno].name)
{
target_read_memory (soft_regs[regno].addr, buf, 2);
}
else
{
memset (buf, 0, 2);
}
supply_register (regno, buf);
}
static void
m68hc11_store_pseudo_register (int regno)
{
m68hc11_initialize_register_info ();
if (soft_regs[regno].name)
{
char buf[MAX_REGISTER_RAW_SIZE];
read_register_gen (regno, buf);
target_write_memory (soft_regs[regno].addr, buf, 2);
}
}
static char *
m68hc11_register_name (int reg_nr)
{
if (reg_nr < 0)
return NULL;
if (reg_nr >= M68HC11_ALL_REGS)
return NULL;
if (reg_nr > M68HC11_LAST_HARD_REG && soft_regs[reg_nr].name == 0)
return NULL;
return m68hc11_register_names[reg_nr];
}
static unsigned char *
m68hc11_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static unsigned char breakpoint[] = {0x0};
*lenptr = sizeof (breakpoint);
return breakpoint;
}
static CORE_ADDR
m68hc11_saved_pc_after_call (struct frame_info *frame)
{
CORE_ADDR addr;
addr = read_register (HARD_SP_REGNUM) + STACK_CORRECTION;
addr &= 0x0ffff;
return read_memory_integer (addr, 2) & 0x0FFFF;
}
static CORE_ADDR
m68hc11_frame_saved_pc (struct frame_info *frame)
{
return frame->extra_info->return_pc;
}
static CORE_ADDR
m68hc11_frame_args_address (struct frame_info *frame)
{
return frame->frame + frame->extra_info->size + STACK_CORRECTION + 2;
}
static CORE_ADDR
m68hc11_frame_locals_address (struct frame_info *frame)
{
return frame->frame;
}
static void
m68hc11_pop_frame (void)
{
register struct frame_info *frame = get_current_frame ();
register CORE_ADDR fp, sp;
register int regnum;
if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
generic_pop_dummy_frame ();
else
{
fp = FRAME_FP (frame);
FRAME_INIT_SAVED_REGS (frame);
for (regnum = 0; regnum < M68HC11_ALL_REGS; regnum++)
if (frame->saved_regs[regnum])
write_register (regnum,
read_memory_integer (frame->saved_regs[regnum], 2));
write_register (HARD_PC_REGNUM, frame->extra_info->return_pc);
sp = (fp + frame->extra_info->size + 2) & 0x0ffff;
write_register (HARD_SP_REGNUM, sp);
}
flush_cached_frames ();
}
#define MAX_CODES 12
#undef M6811_OP_PAGE2
#define M6811_OP_PAGE2 (0x18)
#define M6811_OP_LDX (0xde)
#define M6811_OP_PSHX (0x3c)
#define M6811_OP_STS (0x9f)
#define M6811_OP_TSX (0x30)
#define M6811_OP_XGDX (0x8f)
#define M6811_OP_ADDD (0xc3)
#define M6811_OP_TXS (0x35)
#define M6811_OP_DES (0x34)
#define M6812_OP_PAGE2 (0x18)
#define M6812_OP_MOVW (0x01)
#define M6812_PB_PSHW (0xae)
#define M6812_OP_STS (0x7f)
#define M6812_OP_LEAS (0x1b)
#define OP_DIRECT (0x100)
#define OP_IMM_LOW (0x200)
#define OP_IMM_HIGH (0x300)
#define OP_PBYTE (0x400)
enum m6811_seq_type
{
P_LAST = 0,
P_SAVE_REG,
P_SET_FRAME,
P_LOCAL_1,
P_LOCAL_2,
P_LOCAL_N
};
struct insn_sequence {
enum m6811_seq_type type;
unsigned length;
unsigned short code[MAX_CODES];
};
static struct insn_sequence m6811_prologue[] = {
{ P_SAVE_REG, 3, { M6811_OP_LDX, OP_DIRECT,
M6811_OP_PSHX } },
{ P_SAVE_REG, 5, { M6811_OP_PAGE2, M6811_OP_LDX, OP_DIRECT,
M6811_OP_PAGE2, M6811_OP_PSHX } },
{ P_LOCAL_N, 7, { M6811_OP_TSX,
M6811_OP_XGDX,
M6811_OP_ADDD, OP_IMM_HIGH, OP_IMM_LOW,
M6811_OP_XGDX,
M6811_OP_TXS } },
{ P_LOCAL_N, 11, { M6811_OP_PAGE2, M6811_OP_TSX,
M6811_OP_PAGE2, M6811_OP_XGDX,
M6811_OP_ADDD, OP_IMM_HIGH, OP_IMM_LOW,
M6811_OP_PAGE2, M6811_OP_XGDX,
M6811_OP_PAGE2, M6811_OP_TXS } },
{ P_LOCAL_1, 1, { M6811_OP_DES } },
{ P_LOCAL_2, 1, { M6811_OP_PSHX } },
{ P_LOCAL_2, 2, { M6811_OP_PAGE2, M6811_OP_PSHX } },
{ P_SET_FRAME, 2, { M6811_OP_STS, OP_DIRECT } },
{ P_LAST, 0, { 0 } }
};
static struct insn_sequence m6812_prologue[] = {
{ P_SAVE_REG, 5, { M6812_OP_PAGE2, M6812_OP_MOVW, M6812_PB_PSHW,
OP_IMM_HIGH, OP_IMM_LOW } },
{ P_SET_FRAME, 3, { M6812_OP_STS, OP_IMM_HIGH, OP_IMM_LOW } },
{ P_LOCAL_N, 2, { M6812_OP_LEAS, OP_PBYTE } },
{ P_LAST, 0 }
};
static struct insn_sequence *
m68hc11_analyze_instruction (struct insn_sequence *seq, CORE_ADDR *pc,
CORE_ADDR *val)
{
unsigned char buffer[MAX_CODES];
unsigned bufsize;
unsigned j;
CORE_ADDR cur_val;
short v = 0;
bufsize = 0;
for (; seq->type != P_LAST; seq++)
{
cur_val = 0;
for (j = 0; j < seq->length; j++)
{
if (bufsize < j + 1)
{
buffer[bufsize] = read_memory_unsigned_integer (*pc + bufsize,
1);
bufsize++;
}
if (seq->code[j] == buffer[j])
continue;
if ((seq->code[j] & 0xf00) == 0)
break;
switch (seq->code[j])
{
case OP_DIRECT:
cur_val = (CORE_ADDR) buffer[j];
break;
case OP_IMM_HIGH:
cur_val = cur_val & 0x0ff;
cur_val |= (buffer[j] << 8);
break;
case OP_IMM_LOW:
cur_val &= 0x0ff00;
cur_val |= buffer[j];
break;
case OP_PBYTE:
if ((buffer[j] & 0xE0) == 0x80)
{
v = buffer[j] & 0x1f;
if (v & 0x10)
v |= 0xfff0;
}
else if ((buffer[j] & 0xfe) == 0xf0)
{
v = read_memory_unsigned_integer (*pc + j + 1, 1);
if (buffer[j] & 1)
v |= 0xff00;
*pc = *pc + 1;
}
else if (buffer[j] == 0xf2)
{
v = read_memory_unsigned_integer (*pc + j + 1, 2);
*pc = *pc + 2;
}
cur_val = v;
break;
}
}
if (j == seq->length)
{
*val = cur_val;
*pc = *pc + j;
return seq;
}
}
return 0;
}
static void
m68hc11_guess_from_prologue (CORE_ADDR pc, CORE_ADDR fp,
CORE_ADDR *first_line,
int *frame_offset, CORE_ADDR *pushed_regs)
{
CORE_ADDR save_addr;
CORE_ADDR func_end;
int size;
int found_frame_point;
int saved_reg;
CORE_ADDR first_pc;
int done = 0;
struct insn_sequence *seq_table;
first_pc = get_pc_function_start (pc);
size = 0;
m68hc11_initialize_register_info ();
if (first_pc == 0)
{
*frame_offset = 0;
*first_line = pc;
return;
}
seq_table = gdbarch_tdep (current_gdbarch)->prologue;
pc = first_pc;
func_end = pc + 128;
found_frame_point = 0;
*frame_offset = 0;
save_addr = fp + STACK_CORRECTION;
while (!done && pc + 2 < func_end)
{
struct insn_sequence *seq;
CORE_ADDR val;
seq = m68hc11_analyze_instruction (seq_table, &pc, &val);
if (seq == 0)
break;
if (seq->type == P_SAVE_REG)
{
if (found_frame_point)
{
saved_reg = m68hc11_which_soft_register (val);
if (saved_reg < 0)
break;
save_addr -= 2;
if (pushed_regs)
pushed_regs[saved_reg] = save_addr;
}
else
{
size += 2;
}
}
else if (seq->type == P_SET_FRAME)
{
found_frame_point = 1;
*frame_offset = size;
}
else if (seq->type == P_LOCAL_1)
{
size += 1;
}
else if (seq->type == P_LOCAL_2)
{
size += 2;
}
else if (seq->type == P_LOCAL_N)
{
if (val & 0x8000)
size -= (int) (val) | 0xffff0000;
else
size -= val;
}
}
*first_line = pc;
}
static CORE_ADDR
m68hc11_skip_prologue (CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
struct symtab_and_line sal;
int frame_offset;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
sal = find_pc_line (func_addr, 0);
if (sal.end && sal.end < func_end)
return sal.end;
}
m68hc11_guess_from_prologue (pc, 0, &pc, &frame_offset, 0);
return pc;
}
static CORE_ADDR
m68hc11_frame_chain (struct frame_info *frame)
{
CORE_ADDR addr;
if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
return frame->frame;
if (frame->extra_info->return_pc == 0
|| inside_entry_file (frame->extra_info->return_pc))
return (CORE_ADDR) 0;
if (frame->frame == 0)
{
return (CORE_ADDR) 0;
}
addr = frame->frame + frame->extra_info->size + STACK_CORRECTION - 2;
addr = read_memory_unsigned_integer (addr, 2) & 0x0FFFF;
if (addr == 0)
{
return (CORE_ADDR) 0;
}
return addr;
}
static void
m68hc11_frame_init_saved_regs (struct frame_info *fi)
{
CORE_ADDR pc;
CORE_ADDR addr;
if (fi->saved_regs == NULL)
frame_saved_regs_zalloc (fi);
else
memset (fi->saved_regs, 0, sizeof (fi->saved_regs));
pc = fi->pc;
m68hc11_guess_from_prologue (pc, fi->frame, &pc, &fi->extra_info->size,
fi->saved_regs);
addr = fi->frame + fi->extra_info->size + STACK_CORRECTION;
if (soft_regs[SOFT_FP_REGNUM].name)
fi->saved_regs[SOFT_FP_REGNUM] = addr - 2;
fi->saved_regs[HARD_SP_REGNUM] = addr;
fi->saved_regs[HARD_PC_REGNUM] = fi->saved_regs[HARD_SP_REGNUM];
}
static void
m68hc11_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
CORE_ADDR addr;
fi->extra_info = (struct frame_extra_info *)
frame_obstack_alloc (sizeof (struct frame_extra_info));
if (fi->next)
fi->pc = FRAME_SAVED_PC (fi->next);
m68hc11_frame_init_saved_regs (fi);
if (fromleaf)
{
fi->extra_info->return_pc = m68hc11_saved_pc_after_call (fi);
}
else
{
addr = fi->frame + fi->extra_info->size + STACK_CORRECTION;
addr = read_memory_unsigned_integer (addr, 2) & 0x0ffff;
fi->extra_info->return_pc = addr;
#if 0
printf ("Pc@0x%04x, FR 0x%04x, size %d, read ret @0x%04x -> 0x%04x\n",
fi->pc,
fi->frame, fi->size,
addr & 0x0ffff,
fi->return_pc);
#endif
}
}
static void
show_regs (char *args, int from_tty)
{
int ccr = read_register (HARD_CCR_REGNUM);
int i;
int nr;
printf_filtered ("PC=%04x SP=%04x FP=%04x CCR=%02x %c%c%c%c%c%c%c%c\n",
(int) read_register (HARD_PC_REGNUM),
(int) read_register (HARD_SP_REGNUM),
(int) read_register (SOFT_FP_REGNUM),
ccr,
ccr & M6811_S_BIT ? 'S' : '-',
ccr & M6811_X_BIT ? 'X' : '-',
ccr & M6811_H_BIT ? 'H' : '-',
ccr & M6811_I_BIT ? 'I' : '-',
ccr & M6811_N_BIT ? 'N' : '-',
ccr & M6811_Z_BIT ? 'Z' : '-',
ccr & M6811_V_BIT ? 'V' : '-',
ccr & M6811_C_BIT ? 'C' : '-');
printf_filtered ("D=%04x IX=%04x IY=%04x\n",
(int) read_register (HARD_D_REGNUM),
(int) read_register (HARD_X_REGNUM),
(int) read_register (HARD_Y_REGNUM));
nr = 0;
for (i = SOFT_D1_REGNUM; i < M68HC11_ALL_REGS; i++)
{
if (soft_regs[i].name == 0)
continue;
printf_filtered ("D%d=%04x",
i - SOFT_D1_REGNUM + 1,
(int) read_register (i));
nr++;
if ((nr % 8) == 7)
printf_filtered ("\n");
else
printf_filtered (" ");
}
if (nr && (nr % 8) != 7)
printf_filtered ("\n");
}
static CORE_ADDR
m68hc11_stack_align (CORE_ADDR addr)
{
return ((addr + 1) & -2);
}
static CORE_ADDR
m68hc11_push_arguments (int nargs,
struct value **args,
CORE_ADDR sp,
int struct_return,
CORE_ADDR struct_addr)
{
int stack_alloc;
int argnum;
int first_stack_argnum;
int stack_offset;
struct type *type;
char *val;
int len;
stack_alloc = 0;
first_stack_argnum = 0;
if (struct_return)
{
write_register (HARD_D_REGNUM, struct_addr + STACK_CORRECTION);
}
else if (nargs > 0)
{
type = VALUE_TYPE (args[0]);
len = TYPE_LENGTH (type);
if (len <= 4)
{
LONGEST v = extract_unsigned_integer (VALUE_CONTENTS (args[0]), len);
first_stack_argnum = 1;
write_register (HARD_D_REGNUM, v);
if (len > 2)
{
v >>= 16;
write_register (HARD_X_REGNUM, v);
}
}
}
for (argnum = first_stack_argnum; argnum < nargs; argnum++)
{
type = VALUE_TYPE (args[argnum]);
stack_alloc += (TYPE_LENGTH (type) + 1) & -2;
}
sp -= stack_alloc;
stack_offset = STACK_CORRECTION;
for (argnum = first_stack_argnum; argnum < nargs; argnum++)
{
type = VALUE_TYPE (args[argnum]);
len = TYPE_LENGTH (type);
val = (char*) VALUE_CONTENTS (args[argnum]);
write_memory (sp + stack_offset, val, len);
stack_offset += len;
if (len & 1)
{
static char zero = 0;
write_memory (sp + stack_offset, &zero, 1);
stack_offset++;
}
}
return sp;
}
CORE_ADDR
m68hc11_call_dummy_address (void)
{
return entry_point_address ();
}
static struct type *
m68hc11_register_virtual_type (int reg_nr)
{
return builtin_type_uint16;
}
static void
m68hc11_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
write_register (HARD_D_REGNUM, addr + STACK_CORRECTION);
}
static void
m68hc11_store_return_value (struct type *type, char *valbuf)
{
int len;
len = TYPE_LENGTH (type);
if (len <= 4)
{
LONGEST v = extract_unsigned_integer (valbuf, len);
write_register (HARD_D_REGNUM, v);
if (len > 2)
{
v >>= 16;
write_register (HARD_X_REGNUM, v);
}
}
else
error ("return of value > 4 is not supported.");
}
static void
m68hc11_extract_return_value (struct type *type,
char *regbuf,
char *valbuf)
{
int len = TYPE_LENGTH (type);
switch (len)
{
case 1:
memcpy (valbuf, ®buf[HARD_D_REGNUM * 2 + 1], len);
break;
case 2:
memcpy (valbuf, ®buf[HARD_D_REGNUM * 2], len);
break;
case 3:
memcpy (&valbuf[0], ®buf[HARD_X_REGNUM * 2 + 1], 1);
memcpy (&valbuf[1], ®buf[HARD_D_REGNUM * 2], 2);
break;
case 4:
memcpy (&valbuf[0], ®buf[HARD_X_REGNUM * 2], 2);
memcpy (&valbuf[2], ®buf[HARD_D_REGNUM * 2], 2);
break;
default:
error ("bad size for return value");
}
}
static int
m68hc11_use_struct_convention (int gcc_p, struct type *type)
{
return (TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION
|| TYPE_LENGTH (type) > 4);
}
static int
m68hc11_return_value_on_stack (struct type *type)
{
return TYPE_LENGTH (type) > 4;
}
static CORE_ADDR
m68hc11_extract_struct_value_address (char *regbuf)
{
return extract_address (®buf[HARD_D_REGNUM * 2],
REGISTER_RAW_SIZE (HARD_D_REGNUM));
}
static CORE_ADDR
m68hc11_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
{
char valbuf[2];
pc = CALL_DUMMY_ADDRESS ();
sp -= 2;
store_unsigned_integer (valbuf, 2, pc);
write_memory (sp + STACK_CORRECTION, valbuf, 2);
return sp;
}
static int
m68hc11_register_byte (int reg_nr)
{
return (reg_nr * M68HC11_REG_SIZE);
}
static int
m68hc11_register_raw_size (int reg_nr)
{
return M68HC11_REG_SIZE;
}
static int
gdb_print_insn_m68hc11 (bfd_vma memaddr, disassemble_info *info)
{
if (TARGET_ARCHITECTURE->arch == bfd_arch_m68hc11)
return print_insn_m68hc11 (memaddr, info);
else
return print_insn_m68hc12 (memaddr, info);
}
static struct gdbarch *
m68hc11_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches)
{
static LONGEST m68hc11_call_dummy_words[] =
{0};
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
soft_reg_initialized = 0;
for (arches = gdbarch_list_lookup_by_info (arches, &info);
arches != NULL;
arches = gdbarch_list_lookup_by_info (arches->next, &info))
{
return arches->gdbarch;
}
tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
gdbarch = gdbarch_alloc (&info, tdep);
switch (info.bfd_arch_info->arch)
{
case bfd_arch_m68hc11:
tdep->stack_correction = 1;
tdep->prologue = m6811_prologue;
break;
case bfd_arch_m68hc12:
tdep->stack_correction = 0;
tdep->prologue = m6812_prologue;
break;
default:
break;
}
set_gdbarch_short_bit (gdbarch, 16);
set_gdbarch_int_bit (gdbarch, 16);
set_gdbarch_float_bit (gdbarch, 32);
set_gdbarch_double_bit (gdbarch, 64);
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 16);
set_gdbarch_long_long_bit (gdbarch, 64);
set_gdbarch_fp0_regnum (gdbarch, -1);
set_gdbarch_max_register_raw_size (gdbarch, 2);
set_gdbarch_max_register_virtual_size (gdbarch, 2);
set_gdbarch_register_raw_size (gdbarch, m68hc11_register_raw_size);
set_gdbarch_register_virtual_size (gdbarch, m68hc11_register_raw_size);
set_gdbarch_register_byte (gdbarch, m68hc11_register_byte);
set_gdbarch_frame_init_saved_regs (gdbarch, m68hc11_frame_init_saved_regs);
set_gdbarch_frame_args_skip (gdbarch, 0);
set_gdbarch_read_pc (gdbarch, generic_target_read_pc);
set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
set_gdbarch_read_fp (gdbarch, generic_target_read_fp);
set_gdbarch_read_sp (gdbarch, generic_target_read_sp);
set_gdbarch_write_sp (gdbarch, generic_target_write_sp);
set_gdbarch_num_regs (gdbarch, M68HC11_NUM_REGS);
set_gdbarch_num_pseudo_regs (gdbarch, M68HC11_NUM_PSEUDO_REGS);
set_gdbarch_sp_regnum (gdbarch, HARD_SP_REGNUM);
set_gdbarch_fp_regnum (gdbarch, SOFT_FP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, HARD_PC_REGNUM);
set_gdbarch_register_name (gdbarch, m68hc11_register_name);
set_gdbarch_register_size (gdbarch, 2);
set_gdbarch_register_bytes (gdbarch, M68HC11_ALL_REGS * 2);
set_gdbarch_register_virtual_type (gdbarch, m68hc11_register_virtual_type);
set_gdbarch_fetch_pseudo_register (gdbarch, m68hc11_fetch_pseudo_register);
set_gdbarch_store_pseudo_register (gdbarch, m68hc11_store_pseudo_register);
set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
set_gdbarch_call_dummy_length (gdbarch, 0);
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
set_gdbarch_call_dummy_address (gdbarch, m68hc11_call_dummy_address);
set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
set_gdbarch_call_dummy_start_offset (gdbarch, 0);
set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
set_gdbarch_call_dummy_words (gdbarch, m68hc11_call_dummy_words);
set_gdbarch_sizeof_call_dummy_words (gdbarch,
sizeof (m68hc11_call_dummy_words));
set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
set_gdbarch_get_saved_register (gdbarch, generic_get_saved_register);
set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
set_gdbarch_extract_return_value (gdbarch, m68hc11_extract_return_value);
set_gdbarch_push_arguments (gdbarch, m68hc11_push_arguments);
set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
set_gdbarch_push_return_address (gdbarch, m68hc11_push_return_address);
set_gdbarch_return_value_on_stack (gdbarch, m68hc11_return_value_on_stack);
set_gdbarch_store_struct_return (gdbarch, m68hc11_store_struct_return);
set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
set_gdbarch_extract_struct_value_address (gdbarch,
m68hc11_extract_struct_value_address);
set_gdbarch_register_convertible (gdbarch, generic_register_convertible_not);
set_gdbarch_frame_chain (gdbarch, m68hc11_frame_chain);
set_gdbarch_frame_chain_valid (gdbarch, generic_file_frame_chain_valid);
set_gdbarch_frame_saved_pc (gdbarch, m68hc11_frame_saved_pc);
set_gdbarch_frame_args_address (gdbarch, m68hc11_frame_args_address);
set_gdbarch_frame_locals_address (gdbarch, m68hc11_frame_locals_address);
set_gdbarch_saved_pc_after_call (gdbarch, m68hc11_saved_pc_after_call);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
set_gdbarch_get_saved_register (gdbarch, generic_get_saved_register);
set_gdbarch_store_struct_return (gdbarch, m68hc11_store_struct_return);
set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
set_gdbarch_extract_struct_value_address
(gdbarch, m68hc11_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, m68hc11_use_struct_convention);
set_gdbarch_init_extra_frame_info (gdbarch, m68hc11_init_extra_frame_info);
set_gdbarch_pop_frame (gdbarch, m68hc11_pop_frame);
set_gdbarch_skip_prologue (gdbarch, m68hc11_skip_prologue);
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_breakpoint_from_pc (gdbarch, m68hc11_breakpoint_from_pc);
set_gdbarch_stack_align (gdbarch, m68hc11_stack_align);
set_gdbarch_print_insn (gdbarch, gdb_print_insn_m68hc11);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
return gdbarch;
}
void
_initialize_m68hc11_tdep (void)
{
register_gdbarch_init (bfd_arch_m68hc11, m68hc11_gdbarch_init);
register_gdbarch_init (bfd_arch_m68hc12, m68hc11_gdbarch_init);
add_com ("regs", class_vars, show_regs, "Print all registers");
}