X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=instrumentation%2Fsyscalls%2Fheaders%2Fsyscalls_pointers_override.h;h=6dba8d5af53849693a225b043ca0456259293f79;hb=b75d00c45a91af319370f3d494cd953b578ea228;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..6dba8d5a 100644
--- a/instrumentation/syscalls/headers/syscalls_pointers_override.h
+++ b/instrumentation/syscalls/headers/syscalls_pointers_override.h
@@ -1,4 +1,59 @@
-/*
- * 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(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_TRACE_EVENT(sys_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_sys_getcpu
+#define OVERRIDE_64_sys_getcpu
+SC_TRACE_EVENT(sys_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()
+)
+
+#endif /* CREATE_SYSCALL_TABLE */