#include "defs.h"
#include "frame.h"
#include "symtab.h"
#include "gdbcore.h"
#include "value.h"
#include "gdb_string.h"
#include "inferior.h"
#include "regcache.h"
#include "arch-utils.h"
#include "m68k-tdep.h"
#define P_LINKL_FP 0x480e
#define P_LINKW_FP 0x4e56
#define P_PEA_FP 0x4856
#define P_MOVL_SP_FP 0x2c4f
#define P_MOVL 0x207c
#define P_JSR 0x4eb9
#define P_BSR 0x61ff
#define P_LEAL 0x43fb
#define P_MOVML 0x48ef
#define P_FMOVM 0xf237
#define P_TRAP 0x4e40
#define REGISTER_BYTES_FP (16*4 + 8 + 8*12 + 3*4)
#define REGISTER_BYTES_NOFP (16*4 + 8)
#define NUM_FREGS (NUM_REGS-24)
#define SP_ARG0 (1 * 4)
#define SIG_PC_FP_OFFSET 530
#define TARGET_M68K
#if !defined (BPT_VECTOR)
#define BPT_VECTOR 0xf
#endif
#if !defined (REMOTE_BPT_VECTOR)
#define REMOTE_BPT_VECTOR 1
#endif
void m68k_frame_init_saved_regs (struct frame_info *frame_info);
const static unsigned char *
m68k_remote_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static unsigned char break_insn[] = {0x4e, (0x40 | REMOTE_BPT_VECTOR)};
*lenptr = sizeof (break_insn);
return break_insn;
}
const static unsigned char *
m68k_local_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static unsigned char break_insn[] = {0x4e, (0x40 | BPT_VECTOR)};
*lenptr = sizeof (break_insn);
return break_insn;
}
static int
m68k_register_bytes_ok (long numbytes)
{
return ((numbytes == REGISTER_BYTES_FP)
|| (numbytes == REGISTER_BYTES_NOFP));
}
static int
m68k_register_raw_size (int regnum)
{
return (((unsigned) (regnum) - FP0_REGNUM) < 8 ? 12 : 4);
}
static int
m68k_register_virtual_size (int regnum)
{
return (((unsigned) (regnum) - FP0_REGNUM) < 8 ? 12 : 4);
}
static struct type *
m68k_register_virtual_type (int regnum)
{
if (regnum >= FP0_REGNUM && regnum <= FP0_REGNUM + 7)
return builtin_type_m68881_ext;
if (regnum == M68K_FPI_REGNUM || regnum == PC_REGNUM)
return builtin_type_void_func_ptr;
if (regnum == M68K_FPC_REGNUM || regnum == M68K_FPS_REGNUM
|| regnum == PS_REGNUM)
return builtin_type_int32;
if (regnum >= M68K_A0_REGNUM && regnum <= M68K_A0_REGNUM + 7)
return builtin_type_void_data_ptr;
return builtin_type_int32;
}
static const char *
m68k_register_name (int regnum)
{
static char *register_names[] = {
"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
"a0", "a1", "a2", "a3", "a4", "a5", "fp", "sp",
"ps", "pc",
"fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7",
"fpcontrol", "fpstatus", "fpiaddr", "fpcode", "fpflags"
};
if (regnum < 0 ||
regnum >= sizeof (register_names) / sizeof (register_names[0]))
internal_error (__FILE__, __LINE__,
"m68k_register_name: illegal register number %d", regnum);
else
return register_names[regnum];
}
static CORE_ADDR
m68k_stack_align (CORE_ADDR addr)
{
return ((addr + 1) & ~1);
}
static int
m68k_register_byte (int regnum)
{
if (regnum >= M68K_FPC_REGNUM)
return (((regnum - M68K_FPC_REGNUM) * 4) + 168);
else if (regnum >= FP0_REGNUM)
return (((regnum - FP0_REGNUM) * 12) + 72);
else
return (regnum * 4);
}
static void
m68k_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
write_register (M68K_A1_REGNUM, addr);
}
static void
m68k_deprecated_extract_return_value (struct type *type, char *regbuf,
char *valbuf)
{
int offset = 0;
int typeLength = TYPE_LENGTH (type);
if (typeLength < 4)
offset = 4 - typeLength;
memcpy (valbuf, regbuf + offset, typeLength);
}
static CORE_ADDR
m68k_deprecated_extract_struct_value_address (char *regbuf)
{
return (*(CORE_ADDR *) (regbuf));
}
static void
m68k_store_return_value (struct type *type, char *valbuf)
{
deprecated_write_register_bytes (0, valbuf, TYPE_LENGTH (type));
}
static CORE_ADDR
m68k_frame_chain (struct frame_info *thisframe)
{
if (get_frame_type (thisframe) == SIGTRAMP_FRAME)
return get_frame_base (thisframe);
else if (!inside_entry_file (get_frame_pc (thisframe)))
return read_memory_unsigned_integer (get_frame_base (thisframe), 4);
else
return 0;
}
static int
m68k_frameless_function_invocation (struct frame_info *fi)
{
if (get_frame_type (fi) == SIGTRAMP_FRAME)
return 0;
else
return frameless_look_for_prologue (fi);
}
static CORE_ADDR
m68k_frame_saved_pc (struct frame_info *frame)
{
if (get_frame_type (frame) == SIGTRAMP_FRAME)
{
if (get_next_frame (frame))
return read_memory_unsigned_integer (get_frame_base (get_next_frame (frame))
+ SIG_PC_FP_OFFSET, 4);
else
return read_memory_unsigned_integer (read_register (SP_REGNUM)
+ SIG_PC_FP_OFFSET - 8, 4);
}
else
return read_memory_unsigned_integer (get_frame_base (frame) + 4, 4);
}
extern CORE_ADDR
altos_skip_prologue (CORE_ADDR pc)
{
register int op = read_memory_unsigned_integer (pc, 2);
if (op == P_LINKW_FP)
pc += 4;
else if (op == P_LINKL_FP)
pc += 6;
else if (op == 0060000)
pc += 4;
else if (op == 00600377)
pc += 6;
else if ((op & 0177400) == 0060000)
pc += 2;
return pc;
}
int
delta68_in_sigtramp (CORE_ADDR pc, char *name)
{
if (name != NULL)
return strcmp (name, "_sigcode") == 0;
else
return 0;
}
CORE_ADDR
delta68_frame_args_address (struct frame_info *frame_info)
{
if (get_frame_type (frame_info) == SIGTRAMP_FRAME)
return get_frame_base (frame_info) + 12;
else if (frameless_look_for_prologue (frame_info))
{
if (get_next_frame (frame_info) && (get_frame_type (get_next_frame (frame_info)) == SIGTRAMP_FRAME))
return get_frame_base (get_next_frame (frame_info)) + 16;
else
return get_frame_base (frame_info) + 4;
}
else
return get_frame_base (frame_info);
}
CORE_ADDR
delta68_frame_saved_pc (struct frame_info *frame_info)
{
return read_memory_unsigned_integer (delta68_frame_args_address (frame_info)
+ 4, 4);
}
int
isi_frame_num_args (struct frame_info *fi)
{
int val;
CORE_ADDR pc = FRAME_SAVED_PC (fi);
int insn = read_memory_unsigned_integer (pc, 2);
val = 0;
if (insn == 0047757 || insn == 0157374)
val = read_memory_integer (pc + 2, 2);
else if ((insn & 0170777) == 0050217
|| (insn & 0170777) == 0050117)
{
val = (insn >> 9) & 7;
if (val == 0)
val = 8;
}
else if (insn == 0157774)
val = read_memory_integer (pc + 2, 4);
val >>= 2;
return val;
}
int
delta68_frame_num_args (struct frame_info *fi)
{
int val;
CORE_ADDR pc = FRAME_SAVED_PC (fi);
int insn = read_memory_unsigned_integer (pc, 2);
val = 0;
if (insn == 0047757 || insn == 0157374)
val = read_memory_integer (pc + 2, 2);
else if ((insn & 0170777) == 0050217
|| (insn & 0170777) == 0050117)
{
val = (insn >> 9) & 7;
if (val == 0)
val = 8;
}
else if (insn == 0157774)
val = read_memory_integer (pc + 2, 4);
val >>= 2;
return val;
}
int
news_frame_num_args (struct frame_info *fi)
{
int val;
CORE_ADDR pc = FRAME_SAVED_PC (fi);
int insn = read_memory_unsigned_integer (pc, 2);
val = 0;
if (insn == 0047757 || insn == 0157374)
val = read_memory_integer (pc + 2, 2);
else if ((insn & 0170777) == 0050217
|| (insn & 0170777) == 0050117)
{
val = (insn >> 9) & 7;
if (val == 0)
val = 8;
}
else if (insn == 0157774)
val = read_memory_integer (pc + 2, 4);
val >>= 2;
return val;
}
void
m68k_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
struct value **args, struct type *type, int gcc_p)
{
bfd_putb32 (fun, (unsigned char *) dummy + CALL_DUMMY_START_OFFSET + 2);
bfd_putb32 (nargs * 4,
(unsigned char *) dummy + CALL_DUMMY_START_OFFSET + 8);
}
void
m68k_push_dummy_frame (void)
{
register CORE_ADDR sp = read_register (SP_REGNUM);
register int regnum;
char raw_buffer[12];
sp = push_word (sp, read_register (PC_REGNUM));
sp = push_word (sp, read_register (FP_REGNUM));
write_register (FP_REGNUM, sp);
for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--)
{
deprecated_read_register_bytes (REGISTER_BYTE (regnum), raw_buffer, 12);
sp = push_bytes (sp, raw_buffer, 12);
}
for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--)
{
sp = push_word (sp, read_register (regnum));
}
sp = push_word (sp, read_register (PS_REGNUM));
write_register (SP_REGNUM, sp);
}
void
m68k_pop_frame (void)
{
register struct frame_info *frame = get_current_frame ();
register CORE_ADDR fp;
register int regnum;
char raw_buffer[12];
fp = get_frame_base (frame);
m68k_frame_init_saved_regs (frame);
for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--)
{
if (get_frame_saved_regs (frame)[regnum])
{
read_memory (get_frame_saved_regs (frame)[regnum], raw_buffer, 12);
deprecated_write_register_bytes (REGISTER_BYTE (regnum), raw_buffer,
12);
}
}
for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--)
{
if (get_frame_saved_regs (frame)[regnum])
{
write_register (regnum,
read_memory_integer (get_frame_saved_regs (frame)[regnum], 4));
}
}
if (get_frame_saved_regs (frame)[PS_REGNUM])
{
write_register (PS_REGNUM,
read_memory_integer (get_frame_saved_regs (frame)[PS_REGNUM], 4));
}
write_register (FP_REGNUM, read_memory_integer (fp, 4));
write_register (PC_REGNUM, read_memory_integer (fp + 4, 4));
write_register (SP_REGNUM, fp + 8);
flush_cached_frames ();
}
CORE_ADDR
m68k_skip_prologue (CORE_ADDR ip)
{
register CORE_ADDR limit;
struct symtab_and_line sal;
register int op;
sal = find_pc_line (ip, 0);
limit = (sal.end) ? sal.end : (CORE_ADDR) ~0;
while (ip < limit)
{
op = read_memory_unsigned_integer (ip, 2);
if (op == P_LINKW_FP)
ip += 4;
else if (op == P_PEA_FP)
ip += 2;
else if (op == P_MOVL_SP_FP)
ip += 2;
else if (op == P_LINKL_FP)
ip += 6;
else if (op == P_MOVML)
ip += 6;
else if (op == P_FMOVM)
ip += 10;
else
break;
}
return (ip);
}
void
m68k_frame_init_saved_regs (struct frame_info *frame_info)
{
register int regnum;
register int regmask;
register CORE_ADDR next_addr;
register CORE_ADDR pc;
CORE_ADDR possible_call_dummy_start =
get_frame_base (frame_info) - 28 - FP_REGNUM * 4 - 4 - 8 * 12;
int nextinsn;
if (get_frame_saved_regs (frame_info))
return;
frame_saved_regs_zalloc (frame_info);
memset (get_frame_saved_regs (frame_info), 0, SIZEOF_FRAME_SAVED_REGS);
if (get_frame_pc (frame_info) >= possible_call_dummy_start
&& get_frame_pc (frame_info) <= get_frame_base (frame_info))
{
next_addr = get_frame_base (frame_info);
pc = possible_call_dummy_start;
}
else
{
pc = get_pc_function_start (get_frame_pc (frame_info));
nextinsn = read_memory_unsigned_integer (pc, 2);
if (P_PEA_FP == nextinsn
&& P_MOVL_SP_FP == read_memory_unsigned_integer (pc + 2, 2))
{
next_addr = get_frame_base (frame_info);
pc += 4;
}
else if (P_LINKL_FP == nextinsn)
{
next_addr = get_frame_base (frame_info) + read_memory_integer (pc + 2, 4);
pc += 6;
}
else if (P_LINKW_FP == nextinsn)
{
next_addr = get_frame_base (frame_info) + read_memory_integer (pc + 2, 2);
pc += 4;
}
else
goto lose;
if (read_memory_unsigned_integer (pc, 2) == 0157774)
next_addr += read_memory_integer (pc += 2, 4), pc += 4;
}
for (;;)
{
nextinsn = read_memory_unsigned_integer (pc, 2);
regmask = read_memory_unsigned_integer (pc + 2, 2);
if (0xf227 == nextinsn && (regmask & 0xff00) == 0xe000)
{
for (regnum = FP0_REGNUM + 8; --regnum >= FP0_REGNUM; regmask >>= 1)
if (regmask & 1)
get_frame_saved_regs (frame_info)[regnum] = (next_addr -= 12);
pc += 4;
}
else if (0171056 == nextinsn && (regmask & 0xff00) == 0xf000)
{
register CORE_ADDR addr;
addr = get_frame_base (frame_info) + read_memory_integer (pc + 4, 2);
for (regnum = FP0_REGNUM + 8; --regnum >= FP0_REGNUM; regmask >>= 1)
if (regmask & 1)
{
get_frame_saved_regs (frame_info)[regnum] = addr;
addr += 12;
}
pc += 6;
}
else if (0044327 == nextinsn)
{
for (regnum = 0; regnum < 16; regnum++, regmask >>= 1)
if (regmask & 1)
{
get_frame_saved_regs (frame_info)[regnum] = next_addr;
next_addr += 4;
}
pc += 4;
}
else if (0044356 == nextinsn)
{
register CORE_ADDR addr;
addr = get_frame_base (frame_info) + read_memory_integer (pc + 4, 2);
for (regnum = 0; regnum < 16; regnum++, regmask >>= 1)
if (regmask & 1)
{
get_frame_saved_regs (frame_info)[regnum] = addr;
addr += 4;
}
pc += 6;
}
else if (0044347 == nextinsn)
{
for (regnum = 16; --regnum >= 0; regmask >>= 1)
if (regmask & 1)
get_frame_saved_regs (frame_info)[regnum] = (next_addr -= 4);
pc += 4;
}
else if (0x2f00 == (0xfff0 & nextinsn))
{
regnum = 0xf & nextinsn;
get_frame_saved_regs (frame_info)[regnum] = (next_addr -= 4);
pc += 2;
}
else if (0xf236 == nextinsn && (regmask & 0xff00) == 0xf000)
{
for (regnum = FP0_REGNUM + 8; --regnum >= FP0_REGNUM; regmask >>= 1)
if (regmask & 1)
{
get_frame_saved_regs (frame_info)[regnum] = next_addr;
next_addr += 12;
}
pc += 10;
}
else if (0x4267 == nextinsn && 0x42e7 == regmask)
{
get_frame_saved_regs (frame_info)[PS_REGNUM] = (next_addr -= 4);
pc += 4;
}
else
break;
}
lose:;
get_frame_saved_regs (frame_info)[SP_REGNUM] = get_frame_base (frame_info) + 8;
get_frame_saved_regs (frame_info)[FP_REGNUM] = get_frame_base (frame_info);
get_frame_saved_regs (frame_info)[PC_REGNUM] = get_frame_base (frame_info) + 4;
#ifdef SIG_SP_FP_OFFSET
if ((get_frame_type (frame_info) == SIGTRAMP_FRAME) && frame_info->next)
frame_info->saved_regs[SP_REGNUM] =
frame_info->next->frame + SIG_SP_FP_OFFSET;
#endif
}
#ifdef USE_PROC_FS
#include <sys/procfs.h>
#include "gregset.h"
#if !defined (R_PS) && defined (R_SR)
#define R_PS R_SR
#endif
void
supply_gregset (gregset_t *gregsetp)
{
register int regi;
register greg_t *regp = (greg_t *) gregsetp;
for (regi = 0; regi < R_PC; regi++)
{
supply_register (regi, (char *) (regp + regi));
}
supply_register (PS_REGNUM, (char *) (regp + R_PS));
supply_register (PC_REGNUM, (char *) (regp + R_PC));
}
void
fill_gregset (gregset_t *gregsetp, int regno)
{
register int regi;
register greg_t *regp = (greg_t *) gregsetp;
for (regi = 0; regi < R_PC; regi++)
{
if ((regno == -1) || (regno == regi))
{
*(regp + regi) = *(int *) &deprecated_registers[REGISTER_BYTE (regi)];
}
}
if ((regno == -1) || (regno == PS_REGNUM))
{
*(regp + R_PS) = *(int *) &deprecated_registers[REGISTER_BYTE (PS_REGNUM)];
}
if ((regno == -1) || (regno == PC_REGNUM))
{
*(regp + R_PC) = *(int *) &deprecated_registers[REGISTER_BYTE (PC_REGNUM)];
}
}
#if defined (FP0_REGNUM)
void
supply_fpregset (fpregset_t *fpregsetp)
{
register int regi;
char *from;
for (regi = FP0_REGNUM; regi < M68K_FPC_REGNUM; regi++)
{
from = (char *) &(fpregsetp->f_fpregs[regi - FP0_REGNUM][0]);
supply_register (regi, from);
}
supply_register (M68K_FPC_REGNUM, (char *) &(fpregsetp->f_pcr));
supply_register (M68K_FPS_REGNUM, (char *) &(fpregsetp->f_psr));
supply_register (M68K_FPI_REGNUM, (char *) &(fpregsetp->f_fpiaddr));
}
void
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
char *to;
char *from;
for (regi = FP0_REGNUM; regi < M68K_FPC_REGNUM; regi++)
{
if ((regno == -1) || (regno == regi))
{
from = (char *) &deprecated_registers[REGISTER_BYTE (regi)];
to = (char *) &(fpregsetp->f_fpregs[regi - FP0_REGNUM][0]);
memcpy (to, from, REGISTER_RAW_SIZE (regi));
}
}
if ((regno == -1) || (regno == M68K_FPC_REGNUM))
{
fpregsetp->f_pcr = *(int *) &deprecated_registers[REGISTER_BYTE (M68K_FPC_REGNUM)];
}
if ((regno == -1) || (regno == M68K_FPS_REGNUM))
{
fpregsetp->f_psr = *(int *) &deprecated_registers[REGISTER_BYTE (M68K_FPS_REGNUM)];
}
if ((regno == -1) || (regno == M68K_FPI_REGNUM))
{
fpregsetp->f_fpiaddr = *(int *) &deprecated_registers[REGISTER_BYTE (M68K_FPI_REGNUM)];
}
}
#endif
#endif
int
m68k_get_longjmp_target (CORE_ADDR *pc)
{
#if defined (JB_PC) && defined (JB_ELEMENT_SIZE)
char *buf;
CORE_ADDR sp, jb_addr;
buf = alloca (TARGET_PTR_BIT / TARGET_CHAR_BIT);
sp = read_register (SP_REGNUM);
if (target_read_memory (sp + SP_ARG0,
buf, TARGET_PTR_BIT / TARGET_CHAR_BIT))
return 0;
jb_addr = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT);
if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf,
TARGET_PTR_BIT / TARGET_CHAR_BIT))
return 0;
*pc = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT);
return 1;
#else
internal_error (__FILE__, __LINE__,
"m68k_get_longjmp_target: not implemented");
return 0;
#endif
}
CORE_ADDR
m68k_saved_pc_after_call (struct frame_info *frame)
{
#ifdef SYSCALL_TRAP
int op;
op = read_memory_unsigned_integer (frame->pc - SYSCALL_TRAP_OFFSET, 2);
if (op == SYSCALL_TRAP)
return read_memory_unsigned_integer (read_register (SP_REGNUM) + 4, 4);
else
#endif
return read_memory_unsigned_integer (read_register (SP_REGNUM), 4);
}
static struct gdbarch *
m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
static LONGEST call_dummy_words[7] = { 0xf227e0ff, 0x48e7fffc, 0x426742e7,
0x4eb93232, 0x3232dffc, 0x69696969,
(0x4e404e71 | (BPT_VECTOR << 16))
};
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
gdbarch = gdbarch_alloc (&info, 0);
set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
set_gdbarch_long_double_format (gdbarch, &floatformat_m68881_ext);
set_gdbarch_long_double_bit (gdbarch, 96);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_skip_prologue (gdbarch, m68k_skip_prologue);
set_gdbarch_saved_pc_after_call (gdbarch, m68k_saved_pc_after_call);
set_gdbarch_breakpoint_from_pc (gdbarch, m68k_local_breakpoint_from_pc);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_stack_align (gdbarch, m68k_stack_align);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
set_gdbarch_decr_pc_after_break (gdbarch, 2);
set_gdbarch_store_struct_return (gdbarch, m68k_store_struct_return);
set_gdbarch_deprecated_extract_return_value (gdbarch,
m68k_deprecated_extract_return_value);
set_gdbarch_deprecated_store_return_value (gdbarch, m68k_store_return_value);
set_gdbarch_frame_chain (gdbarch, m68k_frame_chain);
set_gdbarch_frame_saved_pc (gdbarch, m68k_frame_saved_pc);
set_gdbarch_frame_init_saved_regs (gdbarch, m68k_frame_init_saved_regs);
set_gdbarch_frameless_function_invocation (gdbarch,
m68k_frameless_function_invocation);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
set_gdbarch_frame_args_skip (gdbarch, 8);
set_gdbarch_register_raw_size (gdbarch, m68k_register_raw_size);
set_gdbarch_register_virtual_size (gdbarch, m68k_register_virtual_size);
set_gdbarch_max_register_raw_size (gdbarch, 12);
set_gdbarch_max_register_virtual_size (gdbarch, 12);
set_gdbarch_register_virtual_type (gdbarch, m68k_register_virtual_type);
set_gdbarch_register_name (gdbarch, m68k_register_name);
set_gdbarch_register_size (gdbarch, 4);
set_gdbarch_register_byte (gdbarch, m68k_register_byte);
set_gdbarch_num_regs (gdbarch, 29);
set_gdbarch_register_bytes_ok (gdbarch, m68k_register_bytes_ok);
set_gdbarch_register_bytes (gdbarch, (16 * 4 + 8 + 8 * 12 + 3 * 4));
set_gdbarch_sp_regnum (gdbarch, M68K_SP_REGNUM);
set_gdbarch_fp_regnum (gdbarch, M68K_FP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, M68K_PC_REGNUM);
set_gdbarch_ps_regnum (gdbarch, M68K_PS_REGNUM);
set_gdbarch_fp0_regnum (gdbarch, M68K_FP0_REGNUM);
set_gdbarch_deprecated_use_generic_dummy_frames (gdbarch, 0);
set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 24);
set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_on_stack);
set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
set_gdbarch_call_dummy_length (gdbarch, 28);
set_gdbarch_call_dummy_start_offset (gdbarch, 12);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_words);
set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof (call_dummy_words));
set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
set_gdbarch_fix_call_dummy (gdbarch, m68k_fix_call_dummy);
set_gdbarch_push_dummy_frame (gdbarch, m68k_push_dummy_frame);
set_gdbarch_pop_frame (gdbarch, m68k_pop_frame);
return gdbarch;
}
static void
m68k_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
{
}
void
_initialize_m68k_tdep (void)
{
gdbarch_register (bfd_arch_m68k, m68k_gdbarch_init, m68k_dump_tdep);
tm_print_insn = print_insn_m68k;
}