diff options
| author | Matt Fleming <matt@console-pimps.org> | 2009-07-06 20:16:33 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-07-06 20:16:33 +0900 |
| commit | c652d780c9cf7f860141de232b37160fe013feca (patch) | |
| tree | 110c95ee2b66a7c9b032be8edad36f9b53f82af0 /arch/sh/kernel/ptrace_32.c | |
| parent | c1340c053be7a43d837a3acb352d5008be865a55 (diff) | |
sh: Add ftrace syscall tracing support
Now that I've added TIF_SYSCALL_FTRACE the thread flags do not fit into
a single byte any more. Code testing them now needs to be aware of the
upper and lower bytes.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/ptrace_32.c')
| -rw-r--r-- | arch/sh/kernel/ptrace_32.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 3392e835a374..c198eceaee94 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -34,6 +34,8 @@ #include <asm/syscalls.h> #include <asm/fpu.h> +#include <trace/syscall.h> + /* * This routine will get a word off of the process kernel stack. */ @@ -459,6 +461,9 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) */ ret = -1L; + if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) + ftrace_syscall_enter(regs); + if (unlikely(current->audit_context)) audit_syscall_entry(audit_arch(), regs->regs[3], regs->regs[4], regs->regs[5], @@ -475,6 +480,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]), regs->regs[0]); + if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) + ftrace_syscall_exit(regs); + step = test_thread_flag(TIF_SINGLESTEP); if (step || test_thread_flag(TIF_SYSCALL_TRACE)) tracehook_report_syscall_exit(regs, step); |