#include "defs.h"
#include "builtin-regs.h"
#include "frame.h"
#include "gdbtypes.h"
#include "value.h"
#include "gdb_string.h"
static struct type *builtin_type_frame_reg;
static void
build_builtin_type_frame_reg (void)
{
if (builtin_type_frame_reg == NULL)
{
#if 0
struct frame
{
void *base;
};
#endif
builtin_type_frame_reg = init_composite_type ("frame", TYPE_CODE_STRUCT);
append_composite_type_field (builtin_type_frame_reg, "base",
builtin_type_void_data_ptr);
}
}
static struct value *
value_of_builtin_frame_reg (struct frame_info *frame)
{
struct value *val;
char *buf;
build_builtin_type_frame_reg ();
val = allocate_value (builtin_type_frame_reg);
VALUE_LVAL (val) = not_lval;
buf = VALUE_CONTENTS_RAW (val);
memset (buf, TYPE_LENGTH (VALUE_TYPE (val)), 0);
if (frame != NULL)
ADDRESS_TO_POINTER (builtin_type_void_data_ptr, buf,
get_frame_base (frame));
buf += TYPE_LENGTH (builtin_type_void_data_ptr);
return val;
}
static struct value *
value_of_builtin_frame_fp_reg (struct frame_info *frame)
{
#ifdef FP_REGNUM
if (FP_REGNUM >= 0)
return value_of_register (FP_REGNUM, frame);
#endif
{
struct value *val = allocate_value (builtin_type_void_data_ptr);
char *buf = VALUE_CONTENTS_RAW (val);
if (frame == NULL)
memset (buf, TYPE_LENGTH (VALUE_TYPE (val)), 0);
else
ADDRESS_TO_POINTER (builtin_type_void_data_ptr, buf,
get_frame_base (frame));
return val;
}
}
static struct value *
value_of_builtin_frame_pc_reg (struct frame_info *frame)
{
#ifdef PC_REGNUM
if (PC_REGNUM >= 0)
return value_of_register (PC_REGNUM, frame);
#endif
{
struct value *val = allocate_value (builtin_type_void_data_ptr);
char *buf = VALUE_CONTENTS_RAW (val);
if (frame == NULL)
memset (buf, TYPE_LENGTH (VALUE_TYPE (val)), 0);
else
ADDRESS_TO_POINTER (builtin_type_void_data_ptr, buf,
get_frame_pc (frame));
return val;
}
}
static struct value *
value_of_builtin_frame_sp_reg (struct frame_info *frame)
{
#ifdef SP_REGNUM
if (SP_REGNUM >= 0)
return value_of_register (SP_REGNUM, frame);
#endif
error ("Standard register ``$sp'' is not available for this target");
}
static struct value *
value_of_builtin_frame_ps_reg (struct frame_info *frame)
{
#ifdef PS_REGNUM
if (PS_REGNUM >= 0)
return value_of_register (PS_REGNUM, frame);
#endif
error ("Standard register ``$ps'' is not available for this target");
}
void
_initialize_frame_reg (void)
{
REGISTER_GDBARCH_SWAP (builtin_type_frame_reg);
add_builtin_reg ("fp", value_of_builtin_frame_fp_reg);
add_builtin_reg ("pc", value_of_builtin_frame_pc_reg);
add_builtin_reg ("sp", value_of_builtin_frame_sp_reg);
add_builtin_reg ("ps", value_of_builtin_frame_ps_reg);
if (0)
add_builtin_reg ("frame", value_of_builtin_frame_reg);
}