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graphic: 0.869
device: 0.842
instruction: 0.820
semantic: 0.703
network: 0.591
socket: 0.529
vnc: 0.510
mistranslation: 0.432
boot: 0.417
other: 0.253
assembly: 0.219
KVM: 0.056
Wrong unpacked structure for epoll_event on qemu-or1k (openrisc)
Description of problem:
When using cmake automoc, the process will infinite loop waiting for epoll_events.
Steps to reproduce:
1. Try to compile cmake with qt5 support
2. The build process will freeze when "Automatic MOC" is invoked
Additional information:
The problem is that or1k has a "packed" epoll_event structure, so it should be also packed in target_epoll_event structure.
Following the (very trivial) patch:
```
--- qemu-20230327/linux-user/syscall_defs.h.orig 2023-03-27 15:41:42.000000000 +0200
+++ qemu-20230327/linux-user/syscall_defs.h 2023-06-30 17:29:39.034322213 +0200
@@ -2714,7 +2709,7 @@
#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
#ifdef CONFIG_EPOLL
-#if defined(TARGET_X86_64)
+#if defined(TARGET_X86_64) || defined(TARGET_OPENRISC)
#define TARGET_EPOLL_PACKED QEMU_PACKED
#else
#define TARGET_EPOLL_PACKED
```
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