A packed struct needs different gcc attributes for compilations
with MinGW compilers because glib-2.0 adds compiler flag
-mms-bitfields which modifies the packing algorithm.
Attribute gcc_struct reverses the negative effects of -mms-bitfields.
QEMU_PACKED sets this attribute and must be used for any packed
struct which is affected by -mms-bitfields.
Signed-off-by: Stefan Weil <w...@mail.berlios.de>
---
compiler.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/compiler.h b/compiler.h
index 9af5dc6..a2d5959 100644
--- a/compiler.h
+++ b/compiler.h
@@ -12,6 +12,12 @@
#define QEMU_WARN_UNUSED_RESULT
#endif
+#if defined(_WIN32)
+# define QEMU_PACKED __attribute__((gcc_struct, packed))
+#else
+# define QEMU_PACKED __attribute__((packed))
+#endif
+
#define QEMU_BUILD_BUG_ON(x) \
typedef char qemu_build_bug_on__##__LINE__[(x)?-1:1];
--
1.7.0.4
