mips: Add membarrier syscall for nanoMIPS

This fixes none/tests/linux/membarrier.

diff --git a/coregrind/m_syswrap/syswrap-nanomips-linux.c b/coregrind/m_syswrap/syswrap-nanomips-linux.c
index 0badf5630be94574de5b8b995f6f60a6ec450877..db13bd7d001ebcfb3ead7fc3c18e44b1bb835a3a 100644 (file)
--- a/coregrind/m_syswrap/syswrap-nanomips-linux.c
+++ b/coregrind/m_syswrap/syswrap-nanomips-linux.c
@@ -805,7 +805,7 @@ static SyscallTableEntry syscall_main_table[] = {
    //    (__NR_bpf,                    sys_ni_syscall),
    //    (__NR_execveat,               sys_ni_syscall),
    //    (__NR_userfaultfd,            sys_ni_syscall),
-   //    (__NR_membarrier,             sys_ni_syscall),
+   LINX_ (__NR_membarrier,             sys_membarrier),
    //    (__NR_mlock2,                 sys_ni_syscall),
    //    (__NR_copy_file_range,        sys_ni_syscall),
    //    (__NR_preadv2,                sys_ni_syscall),