* rs6000-tdep.c: Use the modern gdbarch methods for handling the

register set, so our regcache isn't declared "legacy" and our E500
pseudoregister read and write functions aren't ignored.
(rs6000_register_byte, rs6000_register_raw_size,
rs6000_register_virtual_type, rs6000_register_convertible,
rs6000_register_convert_to_virtual,
rs6000_register_convert_to_raw): Deleted.
(rs6000_register_type, rs6000_convert_register_p,
rs6000_register_to_value, rs6000_value_to_register): New
functions.
(rs6000_gdbarch_init): Don't register
gdbarch_deprecated_register_size,
gdbarch_deprecated_register_bytes,
gdbarch_deprecated_register_byte,
gdbarch_deprecated_register_raw_size,
gdbarch_deprecated_register_virtual_type,
gdbarch_deprecated_register_convertible,
gdbarch_deprecated_register_convert_to_virtual, or
gdbarch_deprecated_register_convert_to_raw methods.  Instead,
register gdbarch_register_type, gdbarch_convert_register_p,
gdbarch_register_to_value, and gdbarch_value_to_register methods.
This commit is contained in:
Jim Blandy 2004-05-28 21:59:37 +00:00
parent dd90f1b254
commit 691d145a72
2 changed files with 62 additions and 61 deletions

View File

@ -1,3 +1,27 @@
2004-05-28 Jim Blandy <jimb@redhat.com>
* rs6000-tdep.c: Use the modern gdbarch methods for handling the
register set, so our regcache isn't declared "legacy" and our E500
pseudoregister read and write functions aren't ignored.
(rs6000_register_byte, rs6000_register_raw_size,
rs6000_register_virtual_type, rs6000_register_convertible,
rs6000_register_convert_to_virtual,
rs6000_register_convert_to_raw): Deleted.
(rs6000_register_type, rs6000_convert_register_p,
rs6000_register_to_value, rs6000_value_to_register): New
functions.
(rs6000_gdbarch_init): Don't register
gdbarch_deprecated_register_size,
gdbarch_deprecated_register_bytes,
gdbarch_deprecated_register_byte,
gdbarch_deprecated_register_raw_size,
gdbarch_deprecated_register_virtual_type,
gdbarch_deprecated_register_convertible,
gdbarch_deprecated_register_convert_to_virtual, or
gdbarch_deprecated_register_convert_to_raw methods. Instead,
register gdbarch_register_type, gdbarch_convert_register_p,
gdbarch_register_to_value, and gdbarch_value_to_register methods.
2004-05-26 Jim Blandy <jimb@redhat.com>
* rs6000-tdep.c (rs6000_dwarf2_stab_reg_to_regnum): Deleted.

View File

@ -1677,33 +1677,13 @@ rs6000_register_name (int n)
return reg->name;
}
/* Index within `registers' of the first byte of the space for
register N. */
static int
rs6000_register_byte (int n)
{
return gdbarch_tdep (current_gdbarch)->regoff[n];
}
/* Return the number of bytes of storage in the actual machine representation
for register N if that register is available, else return 0. */
static int
rs6000_register_raw_size (int n)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
const struct reg *reg = tdep->regs + n;
return regsize (reg, tdep->wordsize);
}
/* Return the GDB type object for the "standard" data type
of data in register N. */
static struct type *
rs6000_register_virtual_type (int n)
rs6000_register_type (struct gdbarch *gdbarch, int n)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const struct reg *reg = tdep->regs + n;
if (reg->fpr)
@ -1733,49 +1713,49 @@ rs6000_register_virtual_type (int n)
}
}
/* Return whether register N requires conversion when moving from raw format
to virtual format.
The register format for RS/6000 floating point registers is always
/* The register format for RS/6000 floating point registers is always
double, we need a conversion if the memory format is float. */
static int
rs6000_register_convertible (int n)
rs6000_convert_register_p (int regnum, struct type *type)
{
const struct reg *reg = gdbarch_tdep (current_gdbarch)->regs + n;
return reg->fpr;
const struct reg *reg = gdbarch_tdep (current_gdbarch)->regs + regnum;
return (reg->fpr
&& TYPE_CODE (type) == TYPE_CODE_FLT
&& TYPE_LENGTH (type) != TYPE_LENGTH (builtin_type_double));
}
/* Convert data from raw format for register N in buffer FROM
to virtual format with type TYPE in buffer TO. */
static void
rs6000_register_convert_to_virtual (int n, struct type *type,
char *from, char *to)
rs6000_register_to_value (struct frame_info *frame,
int regnum,
struct type *type,
void *to)
{
if (TYPE_LENGTH (type) != DEPRECATED_REGISTER_RAW_SIZE (n))
{
double val = deprecated_extract_floating (from, DEPRECATED_REGISTER_RAW_SIZE (n));
deprecated_store_floating (to, TYPE_LENGTH (type), val);
}
else
memcpy (to, from, DEPRECATED_REGISTER_RAW_SIZE (n));
const struct reg *reg = gdbarch_tdep (current_gdbarch)->regs + regnum;
char from[MAX_REGISTER_SIZE];
gdb_assert (reg->fpr);
gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLT);
get_frame_register (frame, regnum, from);
convert_typed_floating (from, builtin_type_double, to, type);
}
/* Convert data from virtual format with type TYPE in buffer FROM
to raw format for register N in buffer TO. */
static void
rs6000_register_convert_to_raw (struct type *type, int n,
const char *from, char *to)
rs6000_value_to_register (struct frame_info *frame,
int regnum,
struct type *type,
const void *from)
{
if (TYPE_LENGTH (type) != DEPRECATED_REGISTER_RAW_SIZE (n))
{
double val = deprecated_extract_floating (from, TYPE_LENGTH (type));
deprecated_store_floating (to, DEPRECATED_REGISTER_RAW_SIZE (n), val);
}
else
memcpy (to, from, DEPRECATED_REGISTER_RAW_SIZE (n));
const struct reg *reg = gdbarch_tdep (current_gdbarch)->regs + regnum;
char to[MAX_REGISTER_SIZE];
gdb_assert (reg->fpr);
gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLT);
convert_typed_floating (from, type, to, builtin_type_double);
put_frame_register (frame, regnum, to);
}
static void
@ -2971,11 +2951,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_num_regs (gdbarch, v->nregs);
set_gdbarch_num_pseudo_regs (gdbarch, v->npregs);
set_gdbarch_register_name (gdbarch, rs6000_register_name);
set_gdbarch_deprecated_register_size (gdbarch, wordsize);
set_gdbarch_deprecated_register_bytes (gdbarch, off);
set_gdbarch_deprecated_register_byte (gdbarch, rs6000_register_byte);
set_gdbarch_deprecated_register_raw_size (gdbarch, rs6000_register_raw_size);
set_gdbarch_deprecated_register_virtual_type (gdbarch, rs6000_register_virtual_type);
set_gdbarch_register_type (gdbarch, rs6000_register_type);
set_gdbarch_ptr_bit (gdbarch, wordsize * TARGET_CHAR_BIT);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
@ -3001,9 +2977,10 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
224. */
set_gdbarch_frame_red_zone_size (gdbarch, 224);
set_gdbarch_deprecated_register_convertible (gdbarch, rs6000_register_convertible);
set_gdbarch_deprecated_register_convert_to_virtual (gdbarch, rs6000_register_convert_to_virtual);
set_gdbarch_deprecated_register_convert_to_raw (gdbarch, rs6000_register_convert_to_raw);
set_gdbarch_convert_register_p (gdbarch, rs6000_convert_register_p);
set_gdbarch_register_to_value (gdbarch, rs6000_register_to_value);
set_gdbarch_value_to_register (gdbarch, rs6000_value_to_register);
set_gdbarch_stab_reg_to_regnum (gdbarch, rs6000_stab_reg_to_regnum);
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, rs6000_dwarf2_reg_to_regnum);
/* Note: kevinb/2002-04-12: I'm not convinced that rs6000_push_arguments()