diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 05c81079e7..dad2c33120 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -22,6 +22,7 @@ #include "qemu/path.h" #include "qemu/memfd.h" #include "qemu/queue.h" +#include "target_mman.h" #include <elf.h> #include <endian.h> #include <grp.h> @@ -7612,6 +7613,14 @@ static inline int target_to_host_mlockall_arg(int arg) } #endif +static inline int target_to_host_msync_arg(abi_long arg) +{ + return ((arg & TARGET_MS_ASYNC) ? MS_ASYNC : 0) | + ((arg & TARGET_MS_INVALIDATE) ? MS_INVALIDATE : 0) | + ((arg & TARGET_MS_SYNC) ? MS_SYNC : 0) | + (arg & ~(TARGET_MS_ASYNC | TARGET_MS_INVALIDATE | TARGET_MS_SYNC)); +} + #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ defined(TARGET_NR_newfstatat)) @@ -10128,7 +10137,8 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1, /* ??? msync/mlock/munlock are broken for softmmu. */ #ifdef TARGET_NR_msync case TARGET_NR_msync: - return get_errno(msync(g2h(cpu, arg1), arg2, arg3)); + return get_errno(msync(g2h(cpu, arg1), arg2, + target_to_host_msync_arg(arg3))); #endif #ifdef TARGET_NR_mlock case TARGET_NR_mlock: |