win32: avoid discarding the exception handler
In all likelihood, the compiler with lto doesn't see the function being
used, from assembly macro __try1. Help it by marking the function has
being used.
Resolves:
https://gitlab.com/qemu-project/qemu/-/issues/1904
Fixes: commit d89f30b4df
("win32: wrap socket close() with an exception handler")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
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@ -206,4 +206,10 @@
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#define QEMU_ANNOTATE(x)
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#endif
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#if __has_attribute(used)
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# define QEMU_USED __attribute__((used))
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#else
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# define QEMU_USED
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#endif
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#endif /* COMPILER_H */
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@ -479,7 +479,7 @@ int qemu_bind_wrap(int sockfd, const struct sockaddr *addr,
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return ret;
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}
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EXCEPTION_DISPOSITION
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QEMU_USED EXCEPTION_DISPOSITION
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win32_close_exception_handler(struct _EXCEPTION_RECORD *exception_record,
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void *registration, struct _CONTEXT *context,
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void *dispatcher)
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