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* i386-tdep.c (i386_reg_struct_return_p): Allow array types as well.

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(i386_return_value): Add handling for functions that return array
        types.
This commit is contained in:
Joel Brobecker 2005-10-10 01:08:07 +00:00
parent fd1b946ec5
commit 0e4377e151
2 changed files with 21 additions and 5 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2005-10-09 Joel Brobecker <brobecker@adacore.com>
* i386-tdep.c (i386_reg_struct_return_p): Allow array types as well.
(i386_return_value): Add handling for functions that return array
types.
2005-10-09 Joel Brobecker <brobecker@adacore.com>
* ada-valprint.c (print_optional_low_bound): Handle properly

20
gdb/i386-tdep.c
View File

@ -1424,9 +1424,9 @@ static const char *valid_conventions[] =
};
static const char *struct_convention = default_struct_convention;
/* Return non-zero if TYPE, which is assumed to be a structure or
union type, should be returned in registers for architecture
GDBARCH. */
/* Return non-zero if TYPE, which is assumed to be a structure,
a union type, or an array type, should be returned in registers
for architecture GDBARCH. */
static int
i386_reg_struct_return_p (struct gdbarch *gdbarch, struct type *type)
@ -1435,7 +1435,9 @@ i386_reg_struct_return_p (struct gdbarch *gdbarch, struct type *type)
enum type_code code = TYPE_CODE (type);
int len = TYPE_LENGTH (type);
gdb_assert (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION);
gdb_assert (code == TYPE_CODE_STRUCT
|| code == TYPE_CODE_UNION
|| code == TYPE_CODE_ARRAY);
if (struct_convention == pcc_struct_convention
|| (struct_convention == default_struct_convention
@ -1467,7 +1469,9 @@ i386_return_value (struct gdbarch *gdbarch, struct type *type,
{
enum type_code code = TYPE_CODE (type);
if ((code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION)
if ((code == TYPE_CODE_STRUCT
|| code == TYPE_CODE_UNION
|| code == TYPE_CODE_ARRAY)
&& !i386_reg_struct_return_p (gdbarch, type))
{
/* The System V ABI says that:
@ -1481,6 +1485,12 @@ i386_return_value (struct gdbarch *gdbarch, struct type *type,
So the ABI guarantees that we can always find the return
value just after the function has returned. */
/* Note that the ABI doesn't mention functions returning arrays,
which is something possible in certain languages such as Ada.
In this case, the value is returned as if it was wrapped in
a record, so the convention applied to records also applies
to arrays. */
if (readbuf)
{
ULONGEST addr;