linux-user/strace: Improve settimeofday()

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

diff --git a/linux-user/strace.c b/linux-user/strace.c
index 7318392e571cdc1f2ede34eb24aff08b10b28c15..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);
@@ -976,6 +977,76 @@ UNUSED static struct flags msg_flags[] = {
     FLAG_END,
 };
 
+UNUSED static struct flags statx_flags[] = {
+#ifdef AT_EMPTY_PATH
+    FLAG_GENERIC(AT_EMPTY_PATH),
+#endif
+#ifdef AT_NO_AUTOMOUNT
+    FLAG_GENERIC(AT_NO_AUTOMOUNT),
+#endif
+#ifdef AT_SYMLINK_NOFOLLOW
+    FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
+#endif
+#ifdef AT_STATX_SYNC_AS_STAT
+    FLAG_GENERIC(AT_STATX_SYNC_AS_STAT),
+#endif
+#ifdef AT_STATX_FORCE_SYNC
+    FLAG_GENERIC(AT_STATX_FORCE_SYNC),
+#endif
+#ifdef AT_STATX_DONT_SYNC
+    FLAG_GENERIC(AT_STATX_DONT_SYNC),
+#endif
+    FLAG_END,
+};
+
+UNUSED static struct flags statx_mask[] = {
+/* This must come first, because it includes everything.  */
+#ifdef STATX_ALL
+    FLAG_GENERIC(STATX_ALL),
+#endif
+/* This must come second; it includes everything except STATX_BTIME.  */
+#ifdef STATX_BASIC_STATS
+    FLAG_GENERIC(STATX_BASIC_STATS),
+#endif
+#ifdef STATX_TYPE
+    FLAG_GENERIC(STATX_TYPE),
+#endif
+#ifdef STATX_MODE
+    FLAG_GENERIC(STATX_MODE),
+#endif
+#ifdef STATX_NLINK
+    FLAG_GENERIC(STATX_NLINK),
+#endif
+#ifdef STATX_UID
+    FLAG_GENERIC(STATX_UID),
+#endif
+#ifdef STATX_GID
+    FLAG_GENERIC(STATX_GID),
+#endif
+#ifdef STATX_ATIME
+    FLAG_GENERIC(STATX_ATIME),
+#endif
+#ifdef STATX_MTIME
+    FLAG_GENERIC(STATX_MTIME),
+#endif
+#ifdef STATX_CTIME
+    FLAG_GENERIC(STATX_CTIME),
+#endif
+#ifdef STATX_INO
+    FLAG_GENERIC(STATX_INO),
+#endif
+#ifdef STATX_SIZE
+    FLAG_GENERIC(STATX_SIZE),
+#endif
+#ifdef STATX_BLOCKS
+    FLAG_GENERIC(STATX_BLOCKS),
+#endif
+#ifdef STATX_BTIME
+    FLAG_GENERIC(STATX_BTIME),
+#endif
+    FLAG_END,
+};
+
 /*
  * print_xxx utility functions.  These are used to print syscall
  * parameters in certain format.  All of these have parameter
@@ -1173,8 +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);
@@ -1182,6 +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
@@ -1235,6 +1327,18 @@ print_chdir(const struct syscallname *name,
 }
 #endif
 
+#ifdef TARGET_NR_chroot
+static void
+print_chroot(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_string(arg0, 1);
+    print_syscall_epilogue(name);
+}
+#endif
+
 #ifdef TARGET_NR_chmod
 static void
 print_chmod(const struct syscallname *name,
@@ -1479,6 +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,
@@ -2599,6 +2716,22 @@ print_tgkill(const struct syscallname *name,
 }
 #endif
 
+#ifdef TARGET_NR_statx
+static void
+print_statx(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_at_dirfd(arg0, 0);
+    print_string(arg1, 0);
+    print_flags(statx_flags, arg2, 0);
+    print_flags(statx_mask, arg3, 0);
+    print_pointer(arg4, 1);
+    print_syscall_epilogue(name);
+}
+#endif
+
 /*
  * An array of all of the syscalls we know about
  */