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* x86-64-tdep.c (amd64_non_pod_p): New function.

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(amd64_classify_aggregate): Return class memory for non-POD
C++ structure types.
This commit is contained in:
Mark Kettenis 2004-01-10 17:58:30 +00:00
parent 6470d25069
commit 79b1ab3d32
2 changed files with 18 additions and 1 deletions
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4
gdb/ChangeLog
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@ -1,5 +1,9 @@
2004-01-10 Mark Kettenis <kettenis@gnu.org>
* x86-64-tdep.c (amd64_non_pod_p): New function.
(amd64_classify_aggregate): Return class memory for non-POD
C++ structure types.
* x86-64-tdep.c (amd64_push_arguments): Add struct_return
argument. Use it to reserve a register if necessary.
(amd64_push_dummy_call): Pass STRUCT_RETURN in call to

15
gdb/x86-64-tdep.c
View file

@ -270,6 +270,19 @@ amd64_merge_classes (enum amd64_reg_class class1, enum amd64_reg_class class2)
static void amd64_classify (struct type *type, enum amd64_reg_class class[2]);
/* Return non-zero if TYPE is a non-POD structure or union type. */
static int
amd64_non_pod_p (struct type *type)
{
/* ??? A class with a base class certainly isn't POD, but does this
catch all non-POD structure types? */
if (TYPE_CODE (type) == TYPE_CODE_STRUCT && TYPE_N_BASECLASSES (type) > 0)
return 1;
return 0;
}
/* Classify TYPE according to the rules for aggregate (structures and
arrays) and union types, and store the result in CLASS. */
@ -281,7 +294,7 @@ amd64_classify_aggregate (struct type *type, enum amd64_reg_class class[2])
/* 1. If the size of an object is larger than two eightbytes, or in
C++, is a non-POD structure or union type, or contains
unaligned fields, it has class memory. */
if (len > 16)
if (len > 16 || amd64_non_pod_p (type))
{
class[0] = class[1] = AMD64_MEMORY;
return;