CORE_ADDR locals_pointer;
};
-#define E_NUM_REGS (h8300smode ? 14 : 13)
-
enum
{
h8300_reg_size = 2,
E_CYCLES_REGNUM,
E_TICK_REGNUM, E_EXR_REGNUM = E_TICK_REGNUM,
E_INST_REGNUM, E_TICKS_REGNUM = E_INST_REGNUM,
- E_INSTS_REGNUM
+ E_INSTS_REGNUM,
+ E_MACH_REGNUM,
+ E_MACL_REGNUM,
+ E_SBR_REGNUM,
+ E_VBR_REGNUM
};
#define UNSIGNED_SHORT(X) ((X) & 0xffff)
static const char *
h8300_register_name (int regno)
{
- /* The register names change depending on whether the h8300h processor
+ /* The register names change depending on which h8300 processor
type is selected. */
- static char *h8300_register_names[] = {
+ static char *register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6",
"sp", "ccr","pc","cycles", "tick", "inst", ""
};
- static char *h8300s_register_names[] = {
+ if (regno < 0
+ || regno >= (sizeof (register_names) / sizeof (*register_names)))
+ internal_error (__FILE__, __LINE__,
+ "h8300_register_name: illegal register number %d", regno);
+ else
+ return register_names[regno];
+}
+
+static const char *
+h8300s_register_name (int regno)
+{
+ static char *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)
+ if (regno < 0
+ || regno >= (sizeof (register_names) / sizeof (*register_names)))
+ internal_error (__FILE__, __LINE__,
+ "h8300s_register_name: illegal register number %d", regno);
+ else
+ return register_names[regno];
+}
+
+static const char *
+h8300sx_register_name (int regno)
+{
+ static char *register_names[] = {
+ "er0", "er1", "er2", "er3", "er4", "er5", "er6",
+ "sp", "ccr", "pc", "cycles", "exr", "tick", "inst",
+ "mach", "macl", "sbr", "vbr"
+ };
+ if (regno < 0
+ || regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300_register_name: illegal register number %d", regno);
+ "h8300sx_register_name: illegal register number %d", regno);
else
return register_names[regno];
}
h8300_print_register (struct gdbarch *gdbarch, struct ui_file *file,
struct frame_info *frame, int regno)
{
- ULONGEST rval;
- long val;
- const char *name = h8300_register_name (regno);
+ LONGEST rval;
+ const char *name = gdbarch_register_name (gdbarch, regno);
if (!name || !*name)
return;
- /* FIXME: cagney/2002-10-22: The code below assumes that VAL is at
- least 4 bytes (32 bits) in size and hence is large enough to hold
- the largest h8300 register. Should instead be using ULONGEST and
- the phex() functions. */
- gdb_assert (sizeof (val) >= 4);
- frame_read_unsigned_register (frame, regno, &rval);
- val = rval;
+ frame_read_signed_register (frame, regno, &rval);
fprintf_filtered (file, "%-14s ", name);
- if (h8300hmode)
+ if (regno == E_CCR_REGNUM || (regno == E_EXR_REGNUM && h8300smode))
{
- if (val)
- fprintf_filtered (file, "0x%08lx %-8ld", val, val);
- else
- fprintf_filtered (file, "0x%-8lx %-8ld", val, val);
+ fprintf_filtered (file, "0x%02x ", (unsigned char)rval);
+ print_longest (file, 'u', 1, rval);
}
else
{
- if (val)
- fprintf_filtered (file, "0x%04lx %-4ld", val, val);
- else
- fprintf_filtered (file, "0x%-4lx %-4ld", val, val);
+ fprintf_filtered (file, "0x%s ", phex ((ULONGEST)rval, BINWORD));
+ print_longest (file, 'd', 1, rval);
}
if (regno == E_CCR_REGNUM)
{
/* CCR register */
int C, Z, N, V;
- unsigned char b[h8300h_reg_size];
- unsigned char l;
- frame_register_read (deprecated_selected_frame, regno, b);
- l = b[REGISTER_VIRTUAL_SIZE (E_CCR_REGNUM) - 1];
+ unsigned char l = rval & 0xff;
fprintf_filtered (file, "\t");
fprintf_filtered (file, "I-%d ", (l & 0x80) != 0);
fprintf_filtered (file, "UI-%d ", (l & 0x40) != 0);
else if (regno == E_EXR_REGNUM && h8300smode)
{
/* EXR register */
- unsigned char b[h8300h_reg_size];
- unsigned char l;
- frame_register_read (deprecated_selected_frame, regno, b);
- l = b[REGISTER_VIRTUAL_SIZE (E_EXR_REGNUM) - 1];
+ unsigned char l = rval & 0xff;
fprintf_filtered (file, "\t");
fprintf_filtered (file, "T-%d - - - ", (l & 0x80) != 0);
fprintf_filtered (file, "I2-%d ", (l & 4) != 0);
struct frame_info *frame, int regno, int cpregs)
{
if (regno < 0)
- for (regno = 0; regno < E_NUM_REGS; ++regno)
+ for (regno = 0; regno < NUM_REGS; ++regno)
h8300_print_register (gdbarch, file, frame, regno);
else
h8300_print_register (gdbarch, file, frame, regno);
static int
h8300_register_byte (int regno)
{
- if (regno < 0 || regno >= E_NUM_REGS)
+ if (regno < 0 || regno >= NUM_REGS)
internal_error (__FILE__, __LINE__,
"h8300_register_byte: illegal register number %d", regno);
else
- return regno * BINWORD;
+ return regno * h8300_reg_size;
}
static int
-h8300_register_raw_size (int regno)
+h8300h_register_byte (int regno)
{
- if (regno < 0 || regno >= E_NUM_REGS)
+ if (regno < 0 || regno >= NUM_REGS)
internal_error (__FILE__, __LINE__,
- "h8300_register_raw_size: illegal register number %d",
- regno);
+ "h8300_register_byte: illegal register number %d", regno);
else
- return BINWORD;
+ return regno * h8300h_reg_size;
}
static struct type *
h8300_register_virtual_type (int regno)
{
- if (regno < 0 || regno >= E_NUM_REGS)
+ if (regno < 0 || regno >= 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;
+ {
+ switch (regno)
+ {
+ case E_PC_REGNUM:
+ return builtin_type_void_func_ptr;
+ case E_SP_REGNUM:
+ case E_FP_REGNUM:
+ return builtin_type_void_data_ptr;
+ case E_CCR_REGNUM:
+ return builtin_type_uint8;
+ case E_EXR_REGNUM:
+ if (h8300smode)
+ return builtin_type_uint8;
+ /*FALLTHRU*/
+ default:
+ return h8300hmode ? builtin_type_int32
+ : builtin_type_int16;
+ }
+ }
}
static void
{
return
extract_unsigned_integer (regbuf + h8300_register_byte (E_ARG0_REGNUM),
- h8300_register_raw_size (E_ARG0_REGNUM));
+ h8300_reg_size);
+}
+
+static CORE_ADDR
+h8300h_extract_struct_value_address (char *regbuf)
+{
+ return
+ extract_unsigned_integer (regbuf + h8300_register_byte (E_ARG0_REGNUM),
+ h8300h_reg_size);
}
const static unsigned char *
if (info.bfd_arch_info->arch != bfd_arch_h8300)
return NULL;
+ gdbarch = gdbarch_alloc (&info, 0);
+
switch (info.bfd_arch_info->mach)
{
case bfd_mach_h8300:
h8300sxmode = 0;
h8300smode = 0;
h8300hmode = 0;
+ set_gdbarch_num_regs (gdbarch, 13);
+ set_gdbarch_register_name (gdbarch, h8300_register_name);
+ set_gdbarch_register_byte (gdbarch, h8300_register_byte);
+ set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
break;
case bfd_mach_h8300h:
case bfd_mach_h8300hn:
h8300sxmode = 0;
h8300smode = 0;
h8300hmode = 1;
+ set_gdbarch_num_regs (gdbarch, 13);
+ set_gdbarch_register_name (gdbarch, h8300_register_name);
+ set_gdbarch_register_byte (gdbarch, h8300h_register_byte);
+ set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
break;
case bfd_mach_h8300s:
case bfd_mach_h8300sn:
h8300sxmode = 0;
h8300smode = 1;
h8300hmode = 1;
+ set_gdbarch_num_regs (gdbarch, 14);
+ set_gdbarch_register_name (gdbarch, h8300s_register_name);
+ set_gdbarch_register_byte (gdbarch, h8300h_register_byte);
+ set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
break;
case bfd_mach_h8300sx:
+ case bfd_mach_h8300sxn:
h8300sxmode = 1;
h8300smode = 1;
h8300hmode = 1;
+ set_gdbarch_num_regs (gdbarch, 18);
+ set_gdbarch_register_name (gdbarch, h8300sx_register_name);
+ set_gdbarch_register_byte (gdbarch, h8300h_register_byte);
+ set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
break;
}
- gdbarch = gdbarch_alloc (&info, 0);
-
/* NOTE: cagney/2002-12-06: This can be deleted when this arch is
ready to unwind the PC first (see frame.c:get_prev_frame()). */
set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
* Basic register fields and methods.
*/
- 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_deprecated_fp_regnum (gdbarch, E_FP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
- set_gdbarch_register_name (gdbarch, h8300_register_name);
- set_gdbarch_deprecated_register_size (gdbarch, BINWORD);
- set_gdbarch_deprecated_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_deprecated_max_register_raw_size (gdbarch, h8300h_reg_size);
- set_gdbarch_register_virtual_size (gdbarch, h8300_register_raw_size);
- set_gdbarch_deprecated_max_register_virtual_size (gdbarch, h8300h_reg_size);
set_gdbarch_register_virtual_type (gdbarch, h8300_register_virtual_type);
set_gdbarch_print_registers_info (gdbarch, h8300_print_registers_info);
set_gdbarch_print_float_info (gdbarch, h8300_print_float_info);
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_long_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_double_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_long_double_bit (gdbarch, 4 * TARGET_CHAR_BIT);
/* set_gdbarch_stack_align (gdbarch, SOME_stack_align); */
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
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