X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fsyscalls%2Fheaders%2Fsyscalls_pointers_override.h;h=6d06098f2ba2c9b40609b49798e38ad9c95189a0;hb=cb3ef14c052adc12da2b9e26aebf9fc6e7d82fa3;hp=b52b00bceaa7383bd29a2263c633a61bcadfd1f5;hpb=e42e81fd8b5655247a1ed886eab109363c4fc79c;p=lttng-modules.git

diff --git a/instrumentation/syscalls/headers/syscalls_pointers_override.h b/instrumentation/syscalls/headers/syscalls_pointers_override.h
index b52b00bc..6d06098f 100644
--- a/instrumentation/syscalls/headers/syscalls_pointers_override.h
+++ b/instrumentation/syscalls/headers/syscalls_pointers_override.h
@@ -1,17 +1,88 @@
-#define OVERRIDE_32_sys_execve
-#define OVERRIDE_64_sys_execve
+#define OVERRIDE_32_execve
+#define OVERRIDE_64_execve
 
 #ifndef CREATE_SYSCALL_TABLE
 
-SC_TRACE_EVENT(sys_execve,
-	TP_PROTO(const char *filename, char *const *argv, char *const *envp),
-	TP_ARGS(filename, argv, envp),
-	TP_STRUCT__entry(__string_from_user(filename, filename)
-		__field_hex(char *const *, argv)
-		__field_hex(char *const *, envp)),
-	TP_fast_assign(tp_copy_string_from_user(filename, filename)
-		tp_assign(argv, argv)
-		tp_assign(envp, envp)),
+SC_LTTNG_TRACEPOINT_EVENT(execve,
+	TP_PROTO(sc_exit(long ret,) const char *filename, char *const *argv, char *const *envp),
+	TP_ARGS(sc_exit(ret,) filename, argv, envp),
+	TP_STRUCT__entry(sc_exit(__field(long, ret))
+		sc_in(__string_from_user(filename, filename))
+		sc_in(__field_hex(char *const *, argv))
+		sc_in(__field_hex(char *const *, envp))),
+	TP_fast_assign(sc_exit(tp_assign(ret, ret))
+		sc_in(tp_copy_string_from_user(filename, filename))
+		sc_in(tp_assign(argv, argv))
+		sc_in(tp_assign(envp, envp))),
+	TP_printk()
+)
+
+SC_LTTNG_TRACEPOINT_EVENT(clone,
+	TP_PROTO(sc_exit(long ret,) unsigned long clone_flags, unsigned long newsp,
+		void __user *parent_tid,
+		void __user *child_tid),
+	TP_ARGS(sc_exit(ret,) clone_flags, newsp, parent_tid, child_tid),
+	TP_STRUCT__entry(
+		sc_exit(__field(long, ret))
+		sc_in(__field_hex(unsigned long, clone_flags))
+		sc_in(__field_hex(unsigned long, newsp))
+		sc_in(__field_hex(void *, parent_tid))
+		sc_in(__field_hex(void *, child_tid))),
+	TP_fast_assign(
+		sc_exit(tp_assign(ret, ret))
+		sc_in(tp_assign(clone_flags, clone_flags))
+		sc_in(tp_assign(newsp, newsp))
+		sc_in(tp_assign(parent_tid, parent_tid))
+		sc_in(tp_assign(child_tid, child_tid))),
+	TP_printk()
+)
+
+/* present in 32, missing in 64 due to old kernel headers */
+#define OVERRIDE_32_getcpu
+#define OVERRIDE_64_getcpu
+SC_LTTNG_TRACEPOINT_EVENT(getcpu,
+	TP_PROTO(sc_exit(long ret,) unsigned __user *cpup, unsigned __user *nodep, void *tcache),
+	TP_ARGS(sc_exit(ret,) cpup, nodep, tcache),
+	TP_STRUCT__entry(
+		sc_exit(__field(long, ret))
+		sc_out(__field_hex(unsigned *, cpup))
+		sc_out(__field_hex(unsigned *, nodep))
+		sc_inout(__field_hex(void *, tcache))),
+	TP_fast_assign(
+		sc_exit(tp_assign(ret, ret))
+		sc_out(tp_assign(cpup, cpup))
+		sc_out(tp_assign(nodep, nodep))
+		sc_inout(tp_assign(tcache, tcache))),
+	TP_printk()
+)
+
+#define OVERRIDE_32_pipe
+#define OVERRIDE_64_pipe
+SC_LTTNG_TRACEPOINT_EVENT(pipe,
+	TP_PROTO(sc_exit(long ret,) int * fildes),
+	TP_ARGS(sc_exit(ret,) fildes),
+	TP_STRUCT__entry(sc_exit(__field(long, ret))
+		sc_out(__array(int, fildes, 2))
+	),
+	TP_fast_assign(sc_exit(tp_assign(ret, ret))
+		sc_out(tp_memcpy_from_user(fildes, fildes, 2))
+	),
+	TP_printk()
+)
+
+#define OVERRIDE_32_pipe2
+#define OVERRIDE_64_pipe2
+SC_LTTNG_TRACEPOINT_EVENT(pipe2,
+	TP_PROTO(sc_exit(long ret,) int * fildes, int flags),
+	TP_ARGS(sc_exit(ret,) fildes, flags),
+	TP_STRUCT__entry(sc_exit(__field(long, ret))
+		sc_out(__array(int, fildes, 2))
+		sc_in(__field(int, flags))
+	),
+	TP_fast_assign(sc_exit(tp_assign(ret, ret))
+		sc_out(tp_memcpy_from_user(fildes, fildes, 2))
+		sc_in(tp_assign(flags, flags))
+	),
 	TP_printk()
 )