#include "lib/bitfield.h"
#include "wrapper/tracepoint.h"
#include "wrapper/file.h"
+#include "wrapper/rcu.h"
#include "lttng-events.h"
#ifndef CONFIG_COMPAT
# endif
#endif
+/* in_compat_syscall appears in kernel 4.6. */
+#ifndef in_compat_syscall
+ #define in_compat_syscall() is_compat_task()
+#endif
+
enum sc_type {
SC_TYPE_ENTRY,
SC_TYPE_EXIT,
struct old_utsname;
struct sel_arg_struct;
struct mmap_arg_struct;
+struct file_handle;
#ifdef IA32_NR_syscalls
#define NR_compat_syscalls IA32_NR_syscalls
unsigned long args[UNKNOWN_SYSCALL_NRARGS];
syscall_get_arguments(current, regs, 0, UNKNOWN_SYSCALL_NRARGS, args);
- if (unlikely(is_compat_task()))
+ if (unlikely(in_compat_syscall()))
__event_probe__compat_syscall_entry_unknown(event, id, args);
else
__event_probe__syscall_entry_unknown(event, id, args);
const struct trace_syscall_entry *table, *entry;
size_t table_len;
- if (unlikely(is_compat_task())) {
+ if (unlikely(in_compat_syscall())) {
struct lttng_syscall_filter *filter;
- filter = rcu_dereference(chan->sc_filter);
+ filter = lttng_rcu_dereference(chan->sc_filter);
if (filter) {
if (id < 0 || id >= NR_compat_syscalls
|| !test_bit(id, filter->sc_compat)) {
} else {
struct lttng_syscall_filter *filter;
- filter = rcu_dereference(chan->sc_filter);
+ filter = lttng_rcu_dereference(chan->sc_filter);
if (filter) {
if (id < 0 || id >= NR_syscalls
|| !test_bit(id, filter->sc)) {
syscall_entry_unknown(unknown_event, regs, id);
return;
}
- if (unlikely(is_compat_task()))
+ if (unlikely(in_compat_syscall()))
event = chan->compat_sc_table[id];
else
event = chan->sc_table[id];
unsigned long args[UNKNOWN_SYSCALL_NRARGS];
syscall_get_arguments(current, regs, 0, UNKNOWN_SYSCALL_NRARGS, args);
- if (unlikely(is_compat_task()))
+ if (unlikely(in_compat_syscall()))
__event_probe__compat_syscall_exit_unknown(event, id, ret,
args);
else
long id;
id = syscall_get_nr(current, regs);
- if (unlikely(is_compat_task())) {
+ if (unlikely(in_compat_syscall())) {
struct lttng_syscall_filter *filter;
- filter = rcu_dereference(chan->sc_filter);
+ filter = lttng_rcu_dereference(chan->sc_filter);
if (filter) {
if (id < 0 || id >= NR_compat_syscalls
|| !test_bit(id, filter->sc_compat)) {
} else {
struct lttng_syscall_filter *filter;
- filter = rcu_dereference(chan->sc_filter);
+ filter = lttng_rcu_dereference(chan->sc_filter);
if (filter) {
if (id < 0 || id >= NR_syscalls
|| !test_bit(id, filter->sc)) {
syscall_exit_unknown(unknown_event, regs, id, ret);
return;
}
- if (unlikely(is_compat_task()))
+ if (unlikely(in_compat_syscall()))
event = chan->compat_sc_exit_table[id];
else
event = chan->sc_exit_table[id];
if (ret < 0)
goto open_error;
fd_install(file_fd, syscall_list_file);
- if (file_fd < 0) {
- ret = file_fd;
- goto fd_error;
- }
return file_fd;
open_error: