X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fsyscalls%2Fheaders%2Fsyscalls_pointers_override.h;h=a24c4d315db2c2c6bfa4c11b938865ae64a90c2b;hb=b5aa4b6a4efc476e3a9b9fafcafd080d9aaa173e;hp=e464a4ee4e7a9d8f1c8ec3e584196c8ea7576dba;hpb=daaf627aaa66c434d9274c6616977a6edc07b6ca;p=lttng-modules.git

diff --git a/instrumentation/syscalls/headers/syscalls_pointers_override.h b/instrumentation/syscalls/headers/syscalls_pointers_override.h
index e464a4ee..a24c4d31 100644
--- a/instrumentation/syscalls/headers/syscalls_pointers_override.h
+++ b/instrumentation/syscalls/headers/syscalls_pointers_override.h
@@ -1,4 +1,53 @@
-/*
- * This is a place-holder for override defines for system calls with
- * pointers (all architectures).
- */
+#define OVERRIDE_32_sys_execve
+#define OVERRIDE_64_sys_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)),
+	TP_printk()
+)
+
+SC_TRACE_EVENT(sys_clone,
+	TP_PROTO(unsigned long clone_flags, unsigned long newsp,
+		void __user *parent_tid,
+		void __user *child_tid),
+	TP_ARGS(clone_flags, newsp, parent_tid, child_tid),
+	TP_STRUCT__entry(
+		__field_hex(unsigned long, clone_flags)
+		__field_hex(unsigned long, newsp)
+		__field_hex(void *, parent_tid)
+		__field_hex(void *, child_tid)),
+	TP_fast_assign(
+		tp_assign(clone_flags, clone_flags)
+		tp_assign(newsp, newsp)
+		tp_assign(parent_tid, parent_tid)
+		tp_assign(child_tid, child_tid)),
+	TP_printk()
+)
+
+/* present in 32, missing in 64 due to old kernel headers */
+#define OVERRIDE_32_sys_getcpu
+#define OVERRIDE_64_sys_getcpu
+SC_TRACE_EVENT(sys_getcpu,
+	TP_PROTO(unsigned __user *cpup, unsigned __user *nodep, void *tcache),
+	TP_ARGS(cpup, nodep, tcache),
+	TP_STRUCT__entry(
+		__field_hex(unsigned *, cpup)
+		__field_hex(unsigned *, nodep)
+		__field_hex(void *, tcache)),
+	TP_fast_assign(
+		tp_assign(cpup, cpup)
+		tp_assign(nodep, nodep)
+		tp_assign(tcache, tcache)),
+	TP_printk()
+)
+
+#endif /* CREATE_SYSCALL_TABLE */