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| author | Peter Maydell <peter.maydell@linaro.org> | 2017-02-02 11:03:37 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-02-02 11:03:37 +0000 |
| commit | e905587b752a700644235fbbf6af6d21f0632616 (patch) | |
| tree | c35ad97aebd1bd0fe114e87fad3cb9a9c191a071 /include/qemu/compiler.h | |
| parent | 2d6752d38d8acda6aae674a72b72be05482a58eb (diff) | |
| parent | 1b28762a333bd238611103e9ed2348d7af93b0db (diff) | |
| download | focaccia-qemu-e905587b752a700644235fbbf6af6d21f0632616.tar.gz focaccia-qemu-e905587b752a700644235fbbf6af6d21f0632616.zip | |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio, vhost, pci: fixes, features generic pci root port support disable shpc by default safer version of ARRAY_SIZE and QEMU_BUILD_BUG_ON fixes and cleanups all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Wed 01 Feb 2017 01:38:34 GMT # gpg: using RSA key 0x281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (22 commits) arm: add trailing ; after MISMATCH_CHECK arm: better stub version for MISMATCH_CHECK hw/pci: disable pci-bridge's shpc by default vhost-user: delete chardev on cleanup vhost: skip ROM sections virtio: make virtio_should_notify static pci: Convert msix_init() to Error and fix callers hcd-xhci: check & correct param before using it msix: Follow CODING_STYLE hw/i386: check if nvdimm is enabled before plugging hw/pcie: Introduce Generic PCI Express Root Port hw/ioh3420: derive from PCI Express Root Port base class hw/pcie: Introduce a base class for PCI Express Root Ports intel_iommu: fix and simplify size calculation in process_device_iotlb_desc() pci: mark ROMs read-only ARRAY_SIZE: check that argument is an array compiler: expression version of QEMU_BUILD_BUG_ON compiler: rework BUG_ON using a struct QEMU_BUILD_BUG_ON: use __COUNTER__ ppc: switch to constants within BUILD_BUG_ON ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/qemu/compiler.h')
| -rw-r--r-- | include/qemu/compiler.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 157698bfa9..e0ce9ffb28 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -85,8 +85,20 @@ #define typeof_field(type, field) typeof(((type *)0)->field) #define type_check(t1,t2) ((t1*)0 - (t2*)0) -#define QEMU_BUILD_BUG_ON(x) \ - typedef char glue(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); +#define QEMU_BUILD_BUG_ON_STRUCT(x) \ + struct { \ + int:(x) ? -1 : 1; \ + } + +#ifdef __COUNTER__ +#define QEMU_BUILD_BUG_ON(x) typedef QEMU_BUILD_BUG_ON_STRUCT(x) \ + glue(qemu_build_bug_on__, __COUNTER__) __attribute__((unused)) +#else +#define QEMU_BUILD_BUG_ON(x) +#endif + +#define QEMU_BUILD_BUG_ON_ZERO(x) (sizeof(QEMU_BUILD_BUG_ON_STRUCT(x)) - \ + sizeof(QEMU_BUILD_BUG_ON_STRUCT(x))) #if defined __GNUC__ # if !QEMU_GNUC_PREREQ(4, 4) |