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* s390-tdep.c (s390_function_arg_pass_by_reference): Handle

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complex and vector types.
	(s390_return_value_convention): Likewise.

	(s390_value_from_register): Call check_typedef.
	(extend_simple_arg): Likewise.
	(alignment_of): Likewise.
	(s390_push_dummy_call): Likewise.
	(s390_return_value): Likewise.
This commit is contained in:
Ulrich Weigand 2011-09-21 17:00:31 +00:00
parent 55329a5ca8
commit 56b9d9ac05
2 changed files with 29 additions and 10 deletions
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12
gdb/ChangeLog
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@ -1,3 +1,15 @@
2011-09-21 Ulrich Weigand <uweigand@de.ibm.com>
* s390-tdep.c (s390_function_arg_pass_by_reference): Handle
complex and vector types.
(s390_return_value_convention): Likewise.
(s390_value_from_register): Call check_typedef.
(extend_simple_arg): Likewise.
(alignment_of): Likewise.
(s390_push_dummy_call): Likewise.
(s390_return_value): Likewise.
2011-09-21 Joseph Myers <joseph@codesourcery.com>
* event-top.c (async_disconnect): If an exception is thrown from

27
gdb/s390-tdep.c
View File

@ -336,7 +336,7 @@ s390_value_from_register (struct type *type, int regnum,
struct frame_info *frame)
{
struct value *value = default_value_from_register (type, regnum, frame);
int len = TYPE_LENGTH (type);
int len = TYPE_LENGTH (check_typedef (type));
if (regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM && len < 8)
set_value_offset (value, 0);
@ -2254,8 +2254,9 @@ s390_function_arg_pass_by_reference (struct type *type)
if (length > 8)
return 1;
/* FIXME: All complex and vector types are also returned by reference. */
return is_struct_like (type) && !is_power_of_two (length);
return (is_struct_like (type) && !is_power_of_two (TYPE_LENGTH (type)))
|| TYPE_CODE (type) == TYPE_CODE_COMPLEX
|| (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type));
}
/* Return non-zero if TYPE should be passed in a float register
@ -2290,7 +2291,7 @@ static LONGEST
extend_simple_arg (struct gdbarch *gdbarch, struct value *arg)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct type *type = value_type (arg);
struct type *type = check_typedef (value_type (arg));
/* Even structs get passed in the least significant bits of the
register / memory word. It's not really right to extract them as
@ -2323,7 +2324,8 @@ alignment_of (struct type *type)
alignment = 1;
for (i = 0; i < TYPE_NFIELDS (type); i++)
{
int field_alignment = alignment_of (TYPE_FIELD_TYPE (type, i));
int field_alignment
= alignment_of (check_typedef (TYPE_FIELD_TYPE (type, i)));
if (field_alignment > alignment)
alignment = field_alignment;
@ -2374,7 +2376,7 @@ s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
for (i = 0; i < nargs; i++)
{
struct value *arg = args[i];
struct type *type = value_type (arg);
struct type *type = check_typedef (value_type (arg));
unsigned length = TYPE_LENGTH (type);
if (s390_function_arg_pass_by_reference (type))
@ -2427,7 +2429,7 @@ s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
for (i = 0; i < nargs; i++)
{
struct value *arg = args[i];
struct type *type = value_type (arg);
struct type *type = check_typedef (value_type (arg));
unsigned length = TYPE_LENGTH (type);
if (s390_function_arg_pass_by_reference (type))
@ -2561,6 +2563,7 @@ s390_return_value_convention (struct gdbarch *gdbarch, struct type *type)
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
case TYPE_CODE_ARRAY:
case TYPE_CODE_COMPLEX:
return RETURN_VALUE_STRUCT_CONVENTION;
default:
@ -2575,9 +2578,13 @@ s390_return_value (struct gdbarch *gdbarch, struct type *func_type,
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
int length = TYPE_LENGTH (type);
enum return_value_convention rvc =
s390_return_value_convention (gdbarch, type);
enum return_value_convention rvc;
int length;
type = check_typedef (type);
rvc = s390_return_value_convention (gdbarch, type);
length = TYPE_LENGTH (type);
if (in)
{
switch (rvc)