From fc79168a7c75423047d60a033dc4844955ccae0b Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Wed, 13 Apr 2016 22:44:54 +0200 Subject: parisc: Add syscall tracepoint support This patch adds support for the TIF_SYSCALL_TRACEPOINT on the parisc architecture. Basically, it calls the appropriate tracepoints on syscall entry and exit. Signed-off-by: Helge Deller --- arch/parisc/include/asm/syscall.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/parisc/include/asm/syscall.h') diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h index 637ce8d6f375..5e0b4e6bd99d 100644 --- a/arch/parisc/include/asm/syscall.h +++ b/arch/parisc/include/asm/syscall.h @@ -8,6 +8,8 @@ #include #include +#define NR_syscalls (__NR_Linux_syscalls) + static inline long syscall_get_nr(struct task_struct *tsk, struct pt_regs *regs) { @@ -33,12 +35,19 @@ static inline void syscall_get_arguments(struct task_struct *tsk, args[1] = regs->gr[25]; case 1: args[0] = regs->gr[26]; + case 0: break; default: BUG(); } } +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->gr[28]; +} + static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) -- cgit v1.2.3