MIPS: ftrace: Add support for syscall tracepoints.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index b996efc..b52e1d2 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -29,6 +29,7 @@
#include <linux/tracehook.h>
#include <linux/audit.h>
#include <linux/seccomp.h>
+#include <linux/ftrace.h>
#include <asm/byteorder.h>
#include <asm/cpu.h>
@@ -43,6 +44,9 @@
#include <asm/bootinfo.h>
#include <asm/reg.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
+
/*
* Called by kernel/ptrace.c when detaching..
*
@@ -664,6 +668,9 @@
tracehook_report_syscall_entry(regs))
ret = -1;
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_enter(regs, regs->regs[2]);
+
audit_syscall_entry(__syscall_get_arch(),
regs->regs[2],
regs->regs[4], regs->regs[5],
@@ -685,6 +692,9 @@
audit_syscall_exit(regs);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_exit(regs, regs->regs[2]);
+
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);