#include "qemu/osdep.h"
+
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <linux/netlink.h>
#include <sched.h>
#include "qemu.h"
+#include "user-internals.h"
+#include "strace.h"
+#include "signal-common.h"
+#include "target_mman.h"
struct syscallname {
int nr;
const char *name;
const char *format;
- void (*call)(void *, const struct syscallname *,
+ void (*call)(CPUArchState *, const struct syscallname *,
abi_long, abi_long, abi_long,
abi_long, abi_long, abi_long);
- void (*result)(void *, const struct syscallname *, abi_long,
+ void (*result)(CPUArchState *, const struct syscallname *, abi_long,
abi_long, abi_long, abi_long,
abi_long, abi_long, abi_long);
};
UNUSED static void print_raw_param(const char *, abi_long, int);
UNUSED static void print_timeval(abi_ulong, int);
UNUSED static void print_timespec(abi_ulong, int);
+UNUSED static void print_timespec64(abi_ulong, int);
UNUSED static void print_timezone(abi_ulong, int);
UNUSED static void print_itimerval(abi_ulong, int);
UNUSED static void print_number(abi_long, int);
qemu_log("%d", cmd);
}
+static const char * const target_signal_name[] = {
+#define MAKE_SIG_ENTRY(sig) [TARGET_##sig] = #sig,
+ MAKE_SIGNAL_LIST
+#undef MAKE_SIG_ENTRY
+};
+
static void
print_signal(abi_ulong arg, int last)
{
const char *signal_name = NULL;
- switch(arg) {
- case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
- case TARGET_SIGINT: signal_name = "SIGINT"; break;
- case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
- case TARGET_SIGILL: signal_name = "SIGILL"; break;
- case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
- case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
- case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
- case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
- case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
- case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
- case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
- case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
- case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
- case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
- case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
- case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
- case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
- case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
+
+ if (arg < ARRAY_SIZE(target_signal_name)) {
+ signal_name = target_signal_name[arg];
}
+
if (signal_name == NULL) {
print_raw_param("%ld", arg, last);
return;
/* select */
#ifdef TARGET_NR__newselect
static void
-print_newselect(void *cpu_env, const struct syscallname *name,
+print_newselect(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
#ifdef TARGET_NR_semctl
static void
-print_semctl(void *cpu_env, const struct syscallname *name,
+print_semctl(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
#endif
static void
-print_execve(void *cpu_env, const struct syscallname *name,
+print_execve(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
#ifdef TARGET_NR_ipc
static void
-print_ipc(void *cpu_env, const struct syscallname *name,
+print_ipc(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
const char *errstr;
qemu_log(" = ");
- if (ret < 0) {
+ if (is_error(ret)) {
errstr = target_strerror(-ret);
if (errstr) {
qemu_log("-1 errno=%d (%s)", (int)-ret, errstr);
}
static void
-print_syscall_ret_addr(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_addr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#ifdef TARGET_NR__newselect
static void
-print_syscall_ret_newselect(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_newselect(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#define TARGET_TIME_ERROR 5 /* clock not synchronized */
#ifdef TARGET_NR_adjtimex
static void
-print_syscall_ret_adjtimex(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_adjtimex(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
static void
-print_syscall_ret_clock_gettime(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime
#endif
+#if defined(TARGET_NR_clock_gettime64)
+static void
+print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
+ abi_long ret, abi_long arg0, abi_long arg1,
+ abi_long arg2, abi_long arg3, abi_long arg4,
+ abi_long arg5)
+{
+ if (!print_syscall_err(ret)) {
+ qemu_log(TARGET_ABI_FMT_ld, ret);
+ qemu_log(" (");
+ print_timespec64(arg1, 1);
+ qemu_log(")");
+ }
+
+ qemu_log("\n");
+}
+#endif
+
#ifdef TARGET_NR_gettimeofday
static void
-print_syscall_ret_gettimeofday(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#ifdef TARGET_NR_getitimer
static void
-print_syscall_ret_getitimer(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#ifdef TARGET_NR_getitimer
static void
-print_syscall_ret_setitimer(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
|| defined(TARGGET_NR_flistxattr)
static void
-print_syscall_ret_listxattr(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#ifdef TARGET_NR_ioctl
static void
-print_syscall_ret_ioctl(void *cpu_env, const struct syscallname *name,
+print_syscall_ret_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
abi_long ret, abi_long arg0, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5)
#if defined(CLONE_NEWNET)
FLAG_GENERIC(CLONE_NEWNET),
#endif
+#if defined(CLONE_NEWCGROUP)
+ FLAG_GENERIC(CLONE_NEWCGROUP),
+#endif
+#if defined(CLONE_NEWTIME)
+ FLAG_GENERIC(CLONE_NEWTIME),
+#endif
#if defined(CLONE_IO)
FLAG_GENERIC(CLONE_IO),
#endif
const char *sep = "";
const struct flags *m;
+ if (mode == 0) {
+ qemu_log("000%s", get_comma(last));
+ return;
+ }
+
for (m = &mode_flags[0]; m->f_string != NULL; m++) {
if ((m->f_value & mode) == m->f_value) {
qemu_log("%s%s", m->f_string, sep);
}
}
+static void
+print_timespec64(abi_ulong ts_addr, int last)
+{
+ if (ts_addr) {
+ struct target__kernel_timespec *ts;
+
+ ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
+ if (!ts) {
+ print_pointer(ts_addr, last);
+ return;
+ }
+ qemu_log("{tv_sec = %lld"
+ ",tv_nsec = %lld}%s",
+ (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec),
+ get_comma(last));
+ unlock_user(ts, ts_addr, 0);
+ } else {
+ qemu_log("NULL%s", get_comma(last));
+ }
+}
+
static void
print_timezone(abi_ulong tz_addr, int last)
{
#ifdef TARGET_NR_accept
static void
-print_accept(void *cpu_env, const struct syscallname *name,
+print_accept(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_access
static void
-print_access(void *cpu_env, const struct syscallname *name,
+print_access(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_acct
static void
-print_acct(void *cpu_env, const struct syscallname *name,
+print_acct(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_brk
static void
-print_brk(void *cpu_env, const struct syscallname *name,
+print_brk(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_chdir
static void
-print_chdir(void *cpu_env, const struct syscallname *name,
+print_chdir(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_chroot
static void
-print_chroot(void *cpu_env, const struct syscallname *name,
+print_chroot(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_chmod
static void
-print_chmod(void *cpu_env, const struct syscallname *name,
+print_chmod(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
static void
-print_chown(void *cpu_env, const struct syscallname *name,
+print_chown(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_clock_adjtime
static void
-print_clock_adjtime(void *cpu_env, const struct syscallname *name,
+print_clock_adjtime(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
}
static void
-print_clone(void *cpu_env, const struct syscallname *name,
+print_clone(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
#ifdef TARGET_NR_creat
static void
-print_creat(void *cpu_env, const struct syscallname *name,
+print_creat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_execv
static void
-print_execv(void *cpu_env, const struct syscallname *name,
+print_execv(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
}
#endif
-#ifdef TARGET_NR_faccessat
+#if defined(TARGET_NR_faccessat) || defined(TARGET_NR_faccessat2)
static void
-print_faccessat(void *cpu_env, const struct syscallname *name,
+print_faccessat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_fallocate
static void
-print_fallocate(void *cpu_env, const struct syscallname *name,
+print_fallocate(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_fchmodat
static void
-print_fchmodat(void *cpu_env, const struct syscallname *name,
+print_fchmodat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_fchownat
static void
-print_fchownat(void *cpu_env, const struct syscallname *name,
+print_fchownat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
static void
-print_fcntl(void *cpu_env, const struct syscallname *name,
+print_fcntl(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_fgetxattr
static void
-print_fgetxattr(void *cpu_env, const struct syscallname *name,
+print_fgetxattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_flistxattr
static void
-print_flistxattr(void *cpu_env, const struct syscallname *name,
+print_flistxattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
static void
-print_getxattr(void *cpu_env, const struct syscallname *name,
+print_getxattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
static void
-print_listxattr(void *cpu_env, const struct syscallname *name,
+print_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_fremovexattr)
static void
-print_fremovexattr(void *cpu_env, const struct syscallname *name,
+print_fremovexattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
static void
-print_removexattr(void *cpu_env, const struct syscallname *name,
+print_removexattr(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_futimesat
static void
-print_futimesat(void *cpu_env, const struct syscallname *name,
+print_futimesat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_gettimeofday
static void
-print_gettimeofday(void *cpu_env, const struct syscallname *name,
+print_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_settimeofday
static void
-print_settimeofday(void *cpu_env, const struct syscallname *name,
+print_settimeofday(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
static void
-print_clock_gettime(void *cpu_env, const struct syscallname *name,
+print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#define print_clock_getres print_clock_gettime
#endif
+#if defined(TARGET_NR_clock_gettime64)
+static void
+print_clock_gettime64(CPUArchState *cpu_env, 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_enums(clockids, arg0, 0);
+ print_pointer(arg1, 1);
+ print_syscall_epilogue(name);
+}
+#endif
+
#ifdef TARGET_NR_clock_settime
static void
-print_clock_settime(void *cpu_env, const struct syscallname *name,
+print_clock_settime(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_getitimer
static void
-print_getitimer(void *cpu_env, const struct syscallname *name,
+print_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_setitimer
static void
-print_setitimer(void *cpu_env, const struct syscallname *name,
+print_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_link
static void
-print_link(void *cpu_env, const struct syscallname *name,
+print_link(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_linkat
static void
-print_linkat(void *cpu_env, const struct syscallname *name,
+print_linkat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
}
#endif
-#ifdef TARGET_NR__llseek
+#if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
static void
-print__llseek(void *cpu_env, const struct syscallname *name,
+print__llseek(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
qemu_log("%s", whence);
print_syscall_epilogue(name);
}
+#define print_llseek print__llseek
#endif
#ifdef TARGET_NR_lseek
static void
-print_lseek(void *cpu_env, const struct syscallname *name,
+print_lseek(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_truncate
static void
-print_truncate(void *cpu_env, const struct syscallname *name,
+print_truncate(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_truncate64
static void
-print_truncate64(void *cpu_env, const struct syscallname *name,
+print_truncate64(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_ftruncate64
static void
-print_ftruncate64(void *cpu_env, const struct syscallname *name,
+print_ftruncate64(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mlockall
static void
-print_mlockall(void *cpu_env, const struct syscallname *name,
+print_mlockall(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_socket)
static void
-print_socket(void *cpu_env, const struct syscallname *name,
+print_socket(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
};
static void
-print_socketcall(void *cpu_env, const struct syscallname *name,
+print_socketcall(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_bind)
static void
-print_bind(void *cpu_env, const struct syscallname *name,
+print_bind(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
static void
-print_stat(void *cpu_env, const struct syscallname *name,
+print_stat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#define print_lstat64 print_stat
#endif
+#if defined(TARGET_NR_madvise)
+static struct enums madvise_advice[] = {
+ ENUM_TARGET(MADV_NORMAL),
+ ENUM_TARGET(MADV_RANDOM),
+ ENUM_TARGET(MADV_SEQUENTIAL),
+ ENUM_TARGET(MADV_WILLNEED),
+ ENUM_TARGET(MADV_DONTNEED),
+ ENUM_TARGET(MADV_FREE),
+ ENUM_TARGET(MADV_REMOVE),
+ ENUM_TARGET(MADV_DONTFORK),
+ ENUM_TARGET(MADV_DOFORK),
+ ENUM_TARGET(MADV_MERGEABLE),
+ ENUM_TARGET(MADV_UNMERGEABLE),
+ ENUM_TARGET(MADV_HUGEPAGE),
+ ENUM_TARGET(MADV_NOHUGEPAGE),
+ ENUM_TARGET(MADV_DONTDUMP),
+ ENUM_TARGET(MADV_DODUMP),
+ ENUM_TARGET(MADV_WIPEONFORK),
+ ENUM_TARGET(MADV_KEEPONFORK),
+ ENUM_TARGET(MADV_COLD),
+ ENUM_TARGET(MADV_PAGEOUT),
+ ENUM_TARGET(MADV_POPULATE_READ),
+ ENUM_TARGET(MADV_POPULATE_WRITE),
+ ENUM_TARGET(MADV_DONTNEED_LOCKED),
+ ENUM_END,
+};
+
+static void
+print_madvise(CPUArchState *cpu_env, 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_pointer(arg0, 0);
+ print_raw_param("%d", arg1, 0);
+ print_enums(madvise_advice, arg2, 1);
+ print_syscall_epilogue(name);
+}
+#endif
+
#if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
static void
-print_fstat(void *cpu_env, const struct syscallname *name,
+print_fstat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mkdir
static void
-print_mkdir(void *cpu_env, const struct syscallname *name,
+print_mkdir(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mkdirat
static void
-print_mkdirat(void *cpu_env, const struct syscallname *name,
+print_mkdirat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_rmdir
static void
-print_rmdir(void *cpu_env, const struct syscallname *name,
+print_rmdir(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_rt_sigaction
static void
-print_rt_sigaction(void *cpu_env, const struct syscallname *name,
+print_rt_sigaction(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_rt_sigprocmask
static void
-print_rt_sigprocmask(void *cpu_env, const struct syscallname *name,
+print_rt_sigprocmask(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_rt_sigqueueinfo
static void
-print_rt_sigqueueinfo(void *cpu_env, const struct syscallname *name,
+print_rt_sigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_rt_tgsigqueueinfo
static void
-print_rt_tgsigqueueinfo(void *cpu_env, const struct syscallname *name,
+print_rt_tgsigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
}
static void
-print_syslog(void *cpu_env, const struct syscallname *name,
+print_syslog(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mknod
static void
-print_mknod(void *cpu_env, const struct syscallname *name,
+print_mknod(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mknodat
static void
-print_mknodat(void *cpu_env, const struct syscallname *name,
+print_mknodat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mq_open
static void
-print_mq_open(void *cpu_env, const struct syscallname *name,
+print_mq_open(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_open
static void
-print_open(void *cpu_env, const struct syscallname *name,
+print_open(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_openat
static void
-print_openat(void *cpu_env, const struct syscallname *name,
+print_openat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
}
#endif
+#ifdef TARGET_NR_pidfd_send_signal
+static void
+print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *name,
+ abi_long arg0, abi_long arg1, abi_long arg2,
+ abi_long arg3, abi_long arg4, abi_long arg5)
+{
+ void *p;
+ target_siginfo_t uinfo;
+
+ print_syscall_prologue(name);
+ print_raw_param("%d", arg0, 0);
+ print_signal(arg1, 0);
+
+ p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
+ if (p) {
+ get_target_siginfo(&uinfo, p);
+ print_siginfo(&uinfo);
+
+ unlock_user(p, arg2, 0);
+ } else {
+ print_pointer(arg2, 0);
+ }
+
+ print_raw_param("%u", arg3, 1);
+ print_syscall_epilogue(name);
+}
+#endif
+
#ifdef TARGET_NR_mq_unlink
static void
-print_mq_unlink(void *cpu_env, const struct syscallname *name,
+print_mq_unlink(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
static void
-print_fstatat64(void *cpu_env, const struct syscallname *name,
+print_fstatat64(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_readlink
static void
-print_readlink(void *cpu_env, const struct syscallname *name,
+print_readlink(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_readlinkat
static void
-print_readlinkat(void *cpu_env, const struct syscallname *name,
+print_readlinkat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_rename
static void
-print_rename(void *cpu_env, const struct syscallname *name,
+print_rename(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_renameat
static void
-print_renameat(void *cpu_env, const struct syscallname *name,
+print_renameat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_statfs
static void
-print_statfs(void *cpu_env, const struct syscallname *name,
+print_statfs(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_statfs64
static void
-print_statfs64(void *cpu_env, const struct syscallname *name,
+print_statfs64(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_symlink
static void
-print_symlink(void *cpu_env, const struct syscallname *name,
+print_symlink(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_symlinkat
static void
-print_symlinkat(void *cpu_env, const struct syscallname *name,
+print_symlinkat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mount
static void
-print_mount(void *cpu_env, const struct syscallname *name,
+print_mount(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_umount
static void
-print_umount(void *cpu_env, const struct syscallname *name,
+print_umount(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_umount2
static void
-print_umount2(void *cpu_env, const struct syscallname *name,
+print_umount2(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_unlink
static void
-print_unlink(void *cpu_env, const struct syscallname *name,
+print_unlink(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_unlinkat
static void
-print_unlinkat(void *cpu_env, const struct syscallname *name,
+print_unlinkat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
}
#endif
+#ifdef TARGET_NR_unshare
+static void
+print_unshare(CPUArchState *cpu_env, 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_flags(clone_flags, arg0, 1);
+ print_syscall_epilogue(name);
+}
+#endif
+
+#ifdef TARGET_NR_clock_nanosleep
+static void
+print_clock_nanosleep(CPUArchState *cpu_env, 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_enums(clockids, arg0, 0);
+ print_raw_param("%d", arg1, 0);
+ print_timespec(arg2, 0);
+ print_timespec(arg3, 1);
+ print_syscall_epilogue(name);
+}
+#endif
+
#ifdef TARGET_NR_utime
static void
-print_utime(void *cpu_env, const struct syscallname *name,
+print_utime(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_utimes
static void
-print_utimes(void *cpu_env, const struct syscallname *name,
+print_utimes(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_utimensat
static void
-print_utimensat(void *cpu_env, const struct syscallname *name,
+print_utimensat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
static void
-print_mmap(void *cpu_env, const struct syscallname *name,
+print_mmap(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_mprotect
static void
-print_mprotect(void *cpu_env, const struct syscallname *name,
+print_mprotect(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_munmap
static void
-print_munmap(void *cpu_env, const struct syscallname *name,
+print_munmap(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#endif
#ifdef TARGET_NR_futex
-static void print_futex_op(abi_long tflag, int last)
-{
-#define print_op(val) \
-if( cmd == val ) { \
- qemu_log(#val); \
- return; \
-}
-
- int cmd = (int)tflag;
-#ifdef FUTEX_PRIVATE_FLAG
- if (cmd & FUTEX_PRIVATE_FLAG) {
- qemu_log("FUTEX_PRIVATE_FLAG|");
- cmd &= ~FUTEX_PRIVATE_FLAG;
- }
-#endif
-#ifdef FUTEX_CLOCK_REALTIME
- if (cmd & FUTEX_CLOCK_REALTIME) {
- qemu_log("FUTEX_CLOCK_REALTIME|");
- cmd &= ~FUTEX_CLOCK_REALTIME;
+static void print_futex_op(int cmd, int last)
+{
+ static const char * const futex_names[] = {
+#define NAME(X) [X] = #X
+ NAME(FUTEX_WAIT),
+ NAME(FUTEX_WAKE),
+ NAME(FUTEX_FD),
+ NAME(FUTEX_REQUEUE),
+ NAME(FUTEX_CMP_REQUEUE),
+ NAME(FUTEX_WAKE_OP),
+ NAME(FUTEX_LOCK_PI),
+ NAME(FUTEX_UNLOCK_PI),
+ NAME(FUTEX_TRYLOCK_PI),
+ NAME(FUTEX_WAIT_BITSET),
+ NAME(FUTEX_WAKE_BITSET),
+ NAME(FUTEX_WAIT_REQUEUE_PI),
+ NAME(FUTEX_CMP_REQUEUE_PI),
+ NAME(FUTEX_LOCK_PI2),
+#undef NAME
+ };
+
+ unsigned base_cmd = cmd & FUTEX_CMD_MASK;
+
+ if (base_cmd < ARRAY_SIZE(futex_names)) {
+ qemu_log("%s%s%s",
+ (cmd & FUTEX_PRIVATE_FLAG ? "FUTEX_PRIVATE_FLAG|" : ""),
+ (cmd & FUTEX_CLOCK_REALTIME ? "FUTEX_CLOCK_REALTIME|" : ""),
+ futex_names[base_cmd]);
+ } else {
+ qemu_log("0x%x", cmd);
}
-#endif
- print_op(FUTEX_WAIT)
- print_op(FUTEX_WAKE)
- print_op(FUTEX_FD)
- print_op(FUTEX_REQUEUE)
- print_op(FUTEX_CMP_REQUEUE)
- print_op(FUTEX_WAKE_OP)
- print_op(FUTEX_LOCK_PI)
- print_op(FUTEX_UNLOCK_PI)
- print_op(FUTEX_TRYLOCK_PI)
-#ifdef FUTEX_WAIT_BITSET
- print_op(FUTEX_WAIT_BITSET)
-#endif
-#ifdef FUTEX_WAKE_BITSET
- print_op(FUTEX_WAKE_BITSET)
-#endif
- /* unknown values */
- qemu_log("%d", cmd);
}
static void
-print_futex(void *cpu_env, const struct syscallname *name,
+print_futex(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
+ abi_long op = arg1 & FUTEX_CMD_MASK;
print_syscall_prologue(name);
print_pointer(arg0, 0);
print_futex_op(arg1, 0);
print_raw_param(",%d", arg2, 0);
- print_pointer(arg3, 0); /* struct timespec */
+ switch (op) {
+ case FUTEX_WAIT:
+ case FUTEX_WAIT_BITSET:
+ case FUTEX_LOCK_PI:
+ case FUTEX_LOCK_PI2:
+ case FUTEX_WAIT_REQUEUE_PI:
+ print_timespec(arg3, 0);
+ break;
+ default:
+ print_pointer(arg3, 0);
+ break;
+ }
print_pointer(arg4, 0);
print_raw_param("%d", arg4, 1);
print_syscall_epilogue(name);
#ifdef TARGET_NR_kill
static void
-print_kill(void *cpu_env, const struct syscallname *name,
+print_kill(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_tkill
static void
-print_tkill(void *cpu_env, const struct syscallname *name,
+print_tkill(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_tgkill
static void
-print_tgkill(void *cpu_env, const struct syscallname *name,
+print_tgkill(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_statx
static void
-print_statx(void *cpu_env, const struct syscallname *name,
+print_statx(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
#ifdef TARGET_NR_ioctl
static void
-print_ioctl(void *cpu_env, const struct syscallname *name,
+print_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
* The public interface to this module.
*/
void
-print_syscall(void *cpu_env, int num,
+print_syscall(CPUArchState *cpu_env, int num,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
int i;
- const char *format="%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
+ FILE *f;
+ const char *format = "%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
+ TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
+ TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
- qemu_log("%d ", getpid());
+ f = qemu_log_trylock();
+ if (!f) {
+ return;
+ }
+ fprintf(f, "%d ", getpid());
- for(i=0;i<nsyscalls;i++)
- if( scnames[i].nr == num ) {
- if( scnames[i].call != NULL ) {
- scnames[i].call(
- cpu_env, &scnames[i], arg1, arg2, arg3, arg4, arg5, arg6);
+ for (i = 0; i < nsyscalls; i++) {
+ if (scnames[i].nr == num) {
+ if (scnames[i].call != NULL) {
+ scnames[i].call(cpu_env, &scnames[i], arg1, arg2, arg3,
+ arg4, arg5, arg6);
} else {
/* XXX: this format system is broken because it uses
host types and host pointers for strings */
- if( scnames[i].format != NULL )
+ if (scnames[i].format != NULL) {
format = scnames[i].format;
- qemu_log(format,
- scnames[i].name, arg1, arg2, arg3, arg4, arg5, arg6);
+ }
+ fprintf(f, format, scnames[i].name, arg1, arg2,
+ arg3, arg4, arg5, arg6);
}
+ qemu_log_unlock(f);
return;
}
- qemu_log("Unknown syscall %d\n", num);
+ }
+ fprintf(f, "Unknown syscall %d\n", num);
+ qemu_log_unlock(f);
}
void
-print_syscall_ret(void *cpu_env, int num, abi_long ret,
+print_syscall_ret(CPUArchState *cpu_env, int num, abi_long ret,
abi_long arg1, abi_long arg2, abi_long arg3,
abi_long arg4, abi_long arg5, abi_long arg6)
{
int i;
+ FILE *f;
- for(i=0;i<nsyscalls;i++)
- if( scnames[i].nr == num ) {
- if( scnames[i].result != NULL ) {
+ f = qemu_log_trylock();
+ if (!f) {
+ return;
+ }
+
+ for (i = 0; i < nsyscalls; i++) {
+ if (scnames[i].nr == num) {
+ if (scnames[i].result != NULL) {
scnames[i].result(cpu_env, &scnames[i], ret,
arg1, arg2, arg3,
arg4, arg5, arg6);
} else {
if (!print_syscall_err(ret)) {
- qemu_log(TARGET_ABI_FMT_ld, ret);
+ fprintf(f, TARGET_ABI_FMT_ld, ret);
}
- qemu_log("\n");
+ fprintf(f, "\n");
}
break;
}
+ }
+ qemu_log_unlock(f);
}
void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
/* Print the strace output for a signal being taken:
* --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
*/
- qemu_log("--- ");
+ FILE *f;
+
+ f = qemu_log_trylock();
+ if (!f) {
+ return;
+ }
+
+ fprintf(f, "--- ");
print_signal(target_signum, 1);
- qemu_log(" ");
+ fprintf(f, " ");
print_siginfo(tinfo);
- qemu_log(" ---\n");
+ fprintf(f, " ---\n");
+ qemu_log_unlock(f);
}
projects / qemu.git / blobdiff