linux-user: Implement capget, capset

Implement the capget and capset syscalls. This is useful because
simple programs like 'ls' try to use it in AArch64, and otherwise
we emit a lot of noise about it being unimplemented.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 2a7d1db..fdf9a47 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2566,3 +2566,14 @@ struct target_sigevent {
         } _sigev_thread;
     } _sigev_un;
 };
+
+struct target_user_cap_header {
+    uint32_t version;
+    int pid;
+};
+
+struct target_user_cap_data {
+    uint32_t effective;
+    uint32_t permitted;
+    uint32_t inheritable;
+};