addressing mode. */
if (regno == M68HC12_HARD_PC_REGNUM)
{
+ ULONGEST pc;
const int regsize = TYPE_LENGTH (builtin_type_uint32);
- CORE_ADDR pc = read_register (HARD_PC_REGNUM);
- int page = read_register (HARD_PAGE_REGNUM);
+ regcache_cooked_read_unsigned (regcache, HARD_PC_REGNUM, &pc);
if (pc >= 0x8000 && pc < 0xc000)
{
+ ULONGEST page;
+
+ regcache_cooked_read_unsigned (regcache, HARD_PAGE_REGNUM, &page);
pc -= 0x8000;
pc += (page << 14);
pc += 0x1000000;
if (pc >= 0x1000000)
{
pc -= 0x1000000;
- write_register (HARD_PAGE_REGNUM, (pc >> 14) & 0x0ff);
+ regcache_cooked_write_unsigned (regcache, HARD_PAGE_REGNUM,
+ (pc >> 14) & 0x0ff);
pc &= 0x03fff;
- write_register (HARD_PC_REGNUM, pc + 0x8000);
+ regcache_cooked_write_unsigned (regcache, HARD_PC_REGNUM,
+ pc + 0x8000);
}
else
- write_register (HARD_PC_REGNUM, pc);
+ regcache_cooked_write_unsigned (regcache, HARD_PC_REGNUM, pc);
return;
}
m68hc11_saved_pc_after_call (struct frame_info *frame)
{
CORE_ADDR addr;
-
- addr = read_register (HARD_SP_REGNUM) + STACK_CORRECTION;
- addr &= 0x0ffff;
+ ULONGEST sp;
+
+ regcache_cooked_read_unsigned (current_regcache, HARD_SP_REGNUM, &sp);
+ sp += STACK_CORRECTION;
+ addr = sp & 0x0ffff;
return read_memory_integer (addr, 2) & 0x0FFFF;
}
return addr;
}
-static CORE_ADDR
-m68hc11_frame_locals_address (struct frame_info *frame)
-{
- return get_frame_base (frame);
-}
-
/* Discard from the stack the innermost frame, restoring all saved
registers. */
}
-/* Return a location where we can set a breakpoint that will be hit
- when an inferior function call returns. */
-CORE_ADDR
-m68hc11_call_dummy_address (void)
-{
- return entry_point_address ();
-}
+/* Return the GDB type object for the "standard" data type
+ of data in register N. */
static struct type *
-m68hc11_register_virtual_type (int reg_nr)
+m68hc11_register_type (struct gdbarch *gdbarch, int reg_nr)
{
switch (reg_nr)
{
}
static void
-m68hc11_store_return_value (struct type *type, char *valbuf)
+m68hc11_store_return_value (struct type *type, struct regcache *regcache,
+ const void *valbuf)
{
int len;
len = TYPE_LENGTH (type);
/* First argument is passed in D and X registers. */
- if (len <= 4)
+ if (len <= 2)
+ regcache_raw_write_part (regcache, HARD_D_REGNUM, 2 - len, len, valbuf);
+ else 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);
- }
+ regcache_raw_write_part (regcache, HARD_X_REGNUM, 4 - len,
+ len - 2, valbuf);
+ regcache_raw_write (regcache, HARD_D_REGNUM, (char*) valbuf + (len - 2));
}
else
error ("return of value > 4 is not supported.");
}
-/* Given a return value in `regbuf' with a type `type',
+/* Given a return value in `regcache' with a type `type',
extract and copy its value into `valbuf'. */
static void
-m68hc11_extract_return_value (struct type *type,
- char *regbuf,
- char *valbuf)
+m68hc11_extract_return_value (struct type *type, struct regcache *regcache,
+ void *valbuf)
{
int len = TYPE_LENGTH (type);
-
+ char buf[M68HC11_REG_SIZE];
+
+ regcache_raw_read (regcache, HARD_D_REGNUM, buf);
switch (len)
{
case 1:
- memcpy (valbuf, ®buf[HARD_D_REGNUM * 2 + 1], len);
+ memcpy (valbuf, buf + 1, 1);
break;
-
+
case 2:
- memcpy (valbuf, ®buf[HARD_D_REGNUM * 2], len);
+ memcpy (valbuf, buf, 2);
break;
-
+
case 3:
- memcpy (&valbuf[0], ®buf[HARD_X_REGNUM * 2 + 1], 1);
- memcpy (&valbuf[1], ®buf[HARD_D_REGNUM * 2], 2);
+ memcpy ((char*) valbuf + 1, buf, 2);
+ regcache_raw_read (regcache, HARD_X_REGNUM, buf);
+ memcpy (valbuf, buf + 1, 1);
break;
-
+
case 4:
- memcpy (&valbuf[0], ®buf[HARD_X_REGNUM * 2], 2);
- memcpy (&valbuf[2], ®buf[HARD_D_REGNUM * 2], 2);
+ memcpy ((char*) valbuf + 2, buf, 2);
+ regcache_raw_read (regcache, HARD_X_REGNUM, buf);
+ memcpy (valbuf, buf, 2);
break;
default:
the address in which a function should return its structure value,
as a CORE_ADDR (or an expression that can be used as one). */
static CORE_ADDR
-m68hc11_extract_struct_value_address (char *regbuf)
+m68hc11_extract_struct_value_address (struct regcache *regcache)
{
- return extract_address (®buf[HARD_D_REGNUM * 2],
- REGISTER_RAW_SIZE (HARD_D_REGNUM));
+ char buf[M68HC11_REG_SIZE];
+
+ regcache_cooked_read (regcache, HARD_D_REGNUM, buf);
+ return extract_unsigned_integer (buf, M68HC11_REG_SIZE);
}
/* Function: push_return_address (pc)
set_gdbarch_ptr_bit (gdbarch, 16);
set_gdbarch_long_long_bit (gdbarch, 64);
+ /* Characters are unsigned. */
+ set_gdbarch_char_signed (gdbarch, 0);
+
/* Set register info. */
set_gdbarch_fp0_regnum (gdbarch, -1);
- set_gdbarch_deprecated_max_register_raw_size (gdbarch, 2);
- set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 2);
set_gdbarch_deprecated_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_deprecated_dummy_write_sp (gdbarch, deprecated_write_sp);
set_gdbarch_sp_regnum (gdbarch, HARD_SP_REGNUM);
- set_gdbarch_fp_regnum (gdbarch, SOFT_FP_REGNUM);
+ set_gdbarch_deprecated_fp_regnum (gdbarch, SOFT_FP_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_register_type (gdbarch, m68hc11_register_type);
set_gdbarch_pseudo_register_read (gdbarch, m68hc11_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch, m68hc11_pseudo_register_write);
- set_gdbarch_call_dummy_length (gdbarch, 0);
- 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_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_deprecated_call_dummy_words (gdbarch, m68hc11_call_dummy_words);
+ set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, sizeof (m68hc11_call_dummy_words));
set_gdbarch_deprecated_get_saved_register (gdbarch, deprecated_generic_get_saved_register);
- set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
- set_gdbarch_deprecated_extract_return_value (gdbarch, m68hc11_extract_return_value);
+ set_gdbarch_extract_return_value (gdbarch, m68hc11_extract_return_value);
set_gdbarch_deprecated_push_arguments (gdbarch, m68hc11_push_arguments);
- set_gdbarch_push_return_address (gdbarch, m68hc11_push_return_address);
+ set_gdbarch_deprecated_push_return_address (gdbarch, m68hc11_push_return_address);
set_gdbarch_return_value_on_stack (gdbarch, m68hc11_return_value_on_stack);
set_gdbarch_deprecated_store_struct_return (gdbarch, m68hc11_store_struct_return);
- set_gdbarch_deprecated_store_return_value (gdbarch, m68hc11_store_return_value);
- set_gdbarch_deprecated_extract_struct_value_address (gdbarch, m68hc11_extract_struct_value_address);
- set_gdbarch_register_convertible (gdbarch, generic_register_convertible_not);
-
+ set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
+ set_gdbarch_extract_struct_value_address (gdbarch, m68hc11_extract_struct_value_address);
set_gdbarch_deprecated_frame_chain (gdbarch, m68hc11_frame_chain);
set_gdbarch_deprecated_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_deprecated_frame_args_address (gdbarch, m68hc11_frame_args_address);
+ set_gdbarch_deprecated_saved_pc_after_call (gdbarch, m68hc11_saved_pc_after_call);
set_gdbarch_deprecated_get_saved_register (gdbarch, deprecated_generic_get_saved_register);
return gdbarch;
}
+extern initialize_file_ftype _initialize_m68hc11_tdep; /* -Wmissing-prototypes */
+
void
_initialize_m68hc11_tdep (void)
{
projects / deliverable / binutils-gdb.git / blobdiff