linux-user/strace: Improve settimeofday()

[qemu.git] / linux-user / strace.c

diff --git a/linux-user/strace.c b/linux-user/strace.c
index c80e93b5db8a57692f1bfce633d1609d9d0be9a3..fd5596a64074cced5a9dca91c4e8e7628ed4c45f 100644 (file)
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -63,6 +63,7 @@ UNUSED static void print_string(abi_long, int);
 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
 UNUSED static void print_raw_param(const char *, abi_long, int);
 UNUSED static void print_timeval(abi_ulong, int);
+UNUSED static void print_timezone(abi_ulong, int);
 UNUSED static void print_number(abi_long, int);
 UNUSED static void print_signal(abi_ulong, int);
 UNUSED static void print_sockaddr(abi_ulong addr, abi_long addrlen);
@@ -1243,8 +1244,10 @@ print_timeval(abi_ulong tv_addr, int last)
         struct target_timeval *tv;
 
         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
-        if (!tv)
+        if (!tv) {
+            print_pointer(tv_addr, last);
             return;
+        }
         gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
             tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
         unlock_user(tv, tv_addr, 0);
@@ -1252,6 +1255,25 @@ print_timeval(abi_ulong tv_addr, int last)
         gemu_log("NULL%s", get_comma(last));
 }
 
+static void
+print_timezone(abi_ulong tz_addr, int last)
+{
+    if (tz_addr) {
+        struct target_timezone *tz;
+
+        tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
+        if (!tz) {
+            print_pointer(tz_addr, last);
+            return;
+        }
+        gemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
+                 tswap32(tz->tz_dsttime), get_comma(last));
+        unlock_user(tz, tz_addr, 0);
+    } else {
+        gemu_log("NULL%s", get_comma(last));
+    }
+}
+
 #undef UNUSED
 
 #ifdef TARGET_NR_accept
@@ -1561,6 +1583,19 @@ print_futimesat(const struct syscallname *name,
 }
 #endif
 
+#ifdef TARGET_NR_settimeofday
+static void
+print_settimeofday(const struct syscallname *name,
+                abi_long arg0, abi_long arg1, abi_long arg2,
+                abi_long arg3, abi_long arg4, abi_long arg5)
+{
+    print_syscall_prologue(name);
+    print_timeval(arg0, 0);
+    print_timezone(arg1, 1);
+    print_syscall_epilogue(name);
+}
+#endif
+
 #ifdef TARGET_NR_link
 static void
 print_link(const struct syscallname *name,