On 6/4/25 05:00, Arusekk wrote:
--- a/linux-user/i386/signal.c
+++ b/linux-user/i386/signal.c
@@ -865,3 +865,12 @@ void setup_sigtramp(abi_ulong sigtramp_page)
unlock_user(tramp, sigtramp_page, 2 * 8);
}
#endif
+
+bool is_vdso_sigreturn(abi_ulong pc)
+{
+#ifndef TARGET_X86_64
+if (p
This commit adds support for syscall user dispatch (SUD),
the `prctl(PR_SET_SYSCALL_USER_DISPATCH)` function,
in the Linux userspace emulator.
It is implemented as a fully host-independent function, by forcing
a SIGSYS early during syscall handling, if the PC is outside the
allowed range and is no
