X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-syscalls.c;h=36efea47f0e4ec0e789fdec9f22ed3893f707e73;hb=8c6e7f13c778701dec2d6549f1e2ca98970907a0;hp=2ddc9d1227c862305036344a607946aabdbc2de4;hpb=33a39a3cd074931ab3a2eaff6eb8807091cf8172;p=lttng-modules.git

diff --git a/lttng-syscalls.c b/lttng-syscalls.c
index 2ddc9d12..36efea47 100644
--- a/lttng-syscalls.c
+++ b/lttng-syscalls.c
@@ -37,6 +37,7 @@
 #include "lib/bitfield.h"
 #include "wrapper/tracepoint.h"
 #include "wrapper/file.h"
+#include "wrapper/rcu.h"
 #include "lttng-events.h"
 
 #ifndef CONFIG_COMPAT
@@ -76,6 +77,7 @@ struct oldold_utsname;
 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
@@ -113,16 +115,15 @@ struct mmap_arg_struct;
 /* Hijack probe callback for system call enter */
 #undef TP_PROBE_CB
 #define TP_PROBE_CB(_template)		&syscall_entry_probe
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _struct, _assign, _printk) \
+#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
 	LTTNG_TRACEPOINT_EVENT(syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _struct, _assign, _printk) \
+		PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _fields) \
 	LTTNG_TRACEPOINT_EVENT_CODE(syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
 		PARAMS(_locvar), PARAMS(_code),					\
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _struct, _assign, _printk) \
-	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscall_entry_##_name, PARAMS(_struct), PARAMS(_assign), \
-		PARAMS(_printk))
+		PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
+	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscall_entry_##_name, PARAMS(_fields))
 #define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)		\
 	LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscall_entry_##_template, syscall_entry_##_name)
 #undef TRACE_SYSTEM
@@ -146,17 +147,14 @@ struct mmap_arg_struct;
 
 /* Hijack probe callback for compat system call enter */
 #define TP_PROBE_CB(_template)		&syscall_entry_probe
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _struct, _assign, _printk) \
+#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
 	LTTNG_TRACEPOINT_EVENT(compat_syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_struct), PARAMS(_assign),				\
-		PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _struct, _assign, _printk) \
+		PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _fields) \
 	LTTNG_TRACEPOINT_EVENT_CODE(compat_syscall_entry_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_locvar), PARAMS(_code),					\
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _struct, _assign, _printk) \
-	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(compat_syscall_entry_##_name, PARAMS(_struct), \
-		PARAMS(_assign), PARAMS(_printk))
+		PARAMS(_locvar), PARAMS(_code), PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
+	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(compat_syscall_entry_##_name, PARAMS(_fields))
 #define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)		\
 	LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(compat_syscall_entry_##_template, \
 		compat_syscall_entry_##_name)
@@ -193,16 +191,14 @@ struct mmap_arg_struct;
 
 /* Hijack probe callback for system call exit */
 #define TP_PROBE_CB(_template)		&syscall_exit_probe
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _struct, _assign, _printk) \
+#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
 	LTTNG_TRACEPOINT_EVENT(syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _struct, _assign, _printk) \
+		PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _fields) \
 	LTTNG_TRACEPOINT_EVENT_CODE(syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_locvar), PARAMS(_code),					\
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _struct, _assign, _printk) \
-	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscall_exit_##_name, PARAMS(_struct), \
-		PARAMS(_assign), PARAMS(_printk))
+		PARAMS(_locvar), PARAMS(_code), PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
+	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscall_exit_##_name, PARAMS(_fields))
 #define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name) 		\
 	LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscall_exit_##_template,	\
 		syscall_exit_##_name)
@@ -227,16 +223,14 @@ struct mmap_arg_struct;
 
 /* Hijack probe callback for compat system call exit */
 #define TP_PROBE_CB(_template)		&syscall_exit_probe
-#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _struct, _assign, _printk) \
+#define SC_LTTNG_TRACEPOINT_EVENT(_name, _proto, _args, _fields) \
 	LTTNG_TRACEPOINT_EVENT(compat_syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _struct, _assign, _printk) \
+		PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CODE(_name, _proto, _args, _locvar, _code, _fields) \
 	LTTNG_TRACEPOINT_EVENT_CODE(compat_syscall_exit_##_name, PARAMS(_proto), PARAMS(_args), \
-		PARAMS(_locvar), PARAMS(_code),					\
-		PARAMS(_struct), PARAMS(_assign), PARAMS(_printk))
-#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _struct, _assign, _printk) \
-	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(compat_syscall_exit_##_name, PARAMS(_struct), \
-		PARAMS(_assign), PARAMS(_printk))
+		PARAMS(_locvar), PARAMS(_code), PARAMS(_fields))
+#define SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(_name, _fields) \
+	LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(compat_syscall_exit_##_name, PARAMS(_fields))
 #define SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(_template, _name)		\
 	LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(compat_syscall_exit_##_template, \
 		compat_syscall_exit_##_name)
@@ -376,7 +370,7 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 	if (unlikely(is_compat_task())) {
 		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)) {
@@ -390,7 +384,7 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 	} 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)) {
@@ -530,7 +524,7 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 	if (unlikely(is_compat_task())) {
 		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)) {
@@ -544,7 +538,7 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 	} 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)) {