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[Qemu-devel] [PATCH 20/24] qdev: add stub vmstate handling to qdev.c
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PATCH 20/24] qdev: add stub vmstate handling to qdev.c |
Date: |
Fri, 9 Nov 2012 11:08:35 -0200 |
Add GCC_WEAK vmstate symbols to qdev.c, so that qdev.o can be used
without savevm.o (i.e. by *-user).
Signed-off-by: Eduardo Habkost <address@hidden>
---
Originally submitted as:
Subject: qdev-core: isolate vmstate handling into separate functions
Changes v1 -> v2:
- Add GCC_WEAK_DECL to function declarations
Changes v2 -> v3:
- Make vmstate_register_with_alias_id()/vmstate_unregister()
have GCC_WEAK versions, instead of creating a new function
- Kept qdev_get_vmsd() inside qdev.c
---
hw/qdev.c | 21 +++++++++++++++++++++
vmstate.h | 6 ++++--
2 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/hw/qdev.c b/hw/qdev.c
index c242097..fe4de96 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -76,6 +76,27 @@ void qemu_devices_reset(void)
}
}
+/* vmstate register/unregister:
+ *
+ * The real implementations are on qdev-system.c and savevm.c.
+ * Those are weak symbols used by *-user.
+ */
+
+GCC_WEAK int vmstate_register_with_alias_id(DeviceState *dev,
+ int instance_id,
+ const VMStateDescription *vmsd,
+ void *base, int alias_id,
+ int required_for_version)
+{
+ return 0;
+}
+
+GCC_WEAK void vmstate_unregister(DeviceState *dev,
+ const VMStateDescription *vmsd,
+ void *opaque)
+{
+}
+
const VMStateDescription *qdev_get_vmsd(DeviceState *dev)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
diff --git a/vmstate.h b/vmstate.h
index 623af0a..7a56b88 100644
--- a/vmstate.h
+++ b/vmstate.h
@@ -624,11 +624,13 @@ void vmstate_save_state(QEMUFile *f, const
VMStateDescription *vmsd,
void *opaque);
int vmstate_register(DeviceState *dev, int instance_id,
const VMStateDescription *vmsd, void *base);
-int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
+
+/* The following functions have GCC_WEAK stubs on qdev-core, for *-user: */
+GCC_WEAK_DECL int vmstate_register_with_alias_id(DeviceState *dev, int
instance_id,
const VMStateDescription *vmsd,
void *base, int alias_id,
int required_for_version);
-void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
+GCC_WEAK_DECL void vmstate_unregister(DeviceState *dev, const
VMStateDescription *vmsd,
void *opaque);
struct MemoryRegion;
--
1.7.11.4
- [Qemu-devel] [PATCH 08/24] vnc-palette.h: include <stdbool.h>, (continued)
- [Qemu-devel] [PATCH 08/24] vnc-palette.h: include <stdbool.h>, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 14/24] sysemu.h: include qemu-types.h instead of qemu-common.h, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 09/24] ui/vnc-pallete.c: include headers it needs, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 16/24] qapi-types.h: don't include qemu-common.h, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 11/24] qapi/qmp-registry.c: include headers it needs, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 12/24] qga/channel-posix.c: include headers it needs, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 18/24] qdev: qdev_create(): use error_report() instead of hw_error(), Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 03/24] qemu-common.h: comment about usage rules, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 10/24] qemu-config.h: include headers it needs, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 15/24] qlist.h: do not include qemu-common.h, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 20/24] qdev: add stub vmstate handling to qdev.c,
Eduardo Habkost <=
- [Qemu-devel] [PATCH 22/24] qdev-properties.c: separate core from the code used only by qemu-system-*, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 23/24] include qdev code into *-user, too, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 02/24] user: rename qemu-types.h to qemu-user-types.h, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 13/24] create qemu-types.h for struct typedefs, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 19/24] qdev: move reset handler list from vl.c to qdev.c, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 17/24] qdev-properties.c: add copyright/license information, Eduardo Habkost, 2012/11/09
- [Qemu-devel] [PATCH 05/24] qdev: split up header so it can be used in cpu.h, Eduardo Habkost, 2012/11/09