diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-06-12 10:26:47 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-06-12 10:27:39 +0200 |
| commit | 9bf1226b33dc2f94fc37ffd70ee161e2bda1ff5c (patch) | |
| tree | 3bad5cab583d2940bf9755398a1da7bc77e1b759 /arch/s390/kernel/ptrace.c | |
| parent | 88dbd2037229bd2ed7543ffd0d8f2d9dec9d31d2 (diff) | |
[S390] ftrace: add system call tracer support
System call tracer support for s390.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
| -rw-r--r-- | arch/s390/kernel/ptrace.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index b6fc1ae2ffc..490b39934d6 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -37,6 +37,7 @@ #include <linux/regset.h> #include <linux/tracehook.h> #include <linux/seccomp.h> +#include <trace/syscall.h> #include <asm/compat.h> #include <asm/segment.h> #include <asm/page.h> @@ -661,6 +662,9 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) ret = -1; } + if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) + ftrace_syscall_enter(regs); + if (unlikely(current->audit_context)) audit_syscall_entry(is_compat_task() ? AUDIT_ARCH_S390 : AUDIT_ARCH_S390X, @@ -676,6 +680,9 @@ asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]); + if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) + ftrace_syscall_exit(regs); + if (test_thread_flag(TIF_SYSCALL_TRACE)) tracehook_report_syscall_exit(regs, 0); } |