From: Mark McLoughlin Date: Wed, 25 Nov 2009 18:49:03 +0000 (+0000) Subject: qdev: move DO_UPCAST() into osdep.h X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~9593 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5096fae3fdabc889545ecae508e3dbd0579fcbc9;p=sdk%2Femulator%2Fqemu.git qdev: move DO_UPCAST() into osdep.h Nothing qdev specific about this, make it available throughtout. Signed-off-by: Mark McLoughlin Signed-off-by: Anthony Liguori --- diff --git a/hw/qdev.h b/hw/qdev.h index 41642ee..8d53754 100644 --- a/hw/qdev.h +++ b/hw/qdev.h @@ -154,16 +154,6 @@ CharDriverState *qdev_init_chardev(DeviceState *dev); BusState *qdev_get_parent_bus(DeviceState *dev); -/* Convert from a base type to a parent type, with compile time checking. */ -#ifdef __GNUC__ -#define DO_UPCAST(type, field, dev) ( __extension__ ( { \ - char __attribute__((unused)) offset_must_be_zero[ \ - -offsetof(type, field)]; \ - container_of(dev, type, field);})) -#else -#define DO_UPCAST(type, field, dev) container_of(dev, type, field) -#endif - /*** BUS API. ***/ void qbus_create_inplace(BusState *bus, BusInfo *info, diff --git a/osdep.h b/osdep.h index 4b4aad4..75b5816 100644 --- a/osdep.h +++ b/osdep.h @@ -37,6 +37,16 @@ (type *) ((char *) __mptr - offsetof(type, member));}) #endif +/* Convert from a base type to a parent type, with compile time checking. */ +#ifdef __GNUC__ +#define DO_UPCAST(type, field, dev) ( __extension__ ( { \ + char __attribute__((unused)) offset_must_be_zero[ \ + -offsetof(type, field)]; \ + container_of(dev, type, field);})) +#else +#define DO_UPCAST(type, field, dev) container_of(dev, type, field) +#endif + #define typeof_field(type, field) typeof(((type *)0)->field) #define type_check(t1,t2) ((t1*)0 - (t2*)0)