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Add VMState support for arrays

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This patch adds support for saving arrays inside the struct

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-08-20 19:42:27 +02:00 • committed by Anthony Liguori
parent dde0463b4e
commit f752a6aae7
2 changed files with 52 additions and 11 deletions
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28
hw/hw.h
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@ -282,12 +282,14 @@ struct VMStateInfo {
enum VMStateFlags {
VMS_SINGLE = 0x001,
VMS_POINTER = 0x002,
VMS_ARRAY = 0x004,
};
typedef struct {
const char *name;
size_t offset;
size_t size;
int num;
const VMStateInfo *info;
enum VMStateFlags flags;
int version_id;
@ -314,6 +316,8 @@ extern const VMStateInfo vmstate_info_uint64;
extern const VMStateInfo vmstate_info_timer;
#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
@ -334,7 +338,19 @@ extern const VMStateInfo vmstate_info_timer;
+ type_check(_type,typeof_field(_state, _field)) \
}
#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
.num = (_num), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_ARRAY, \
.offset = offsetof(_state, _field) \
+ type_check_array(_type,typeof_field(_state, _field),_num) \
}
/* _f : field name
_n : num of elements
_s : struct state name
_v : version
*/
@ -381,6 +397,18 @@ extern const VMStateInfo vmstate_info_timer;
#define VMSTATE_TIMER(_f, _s) \
VMSTATE_TIMER_V(_f, _s, 0)
#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_END_OF_LIST() \
{}