diff options
Diffstat (limited to 'arch/alpha/kernel/ptrace.c')
| -rw-r--r-- | arch/alpha/kernel/ptrace.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index 54616f496aed..2a4a80ff4a20 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -13,6 +13,7 @@ #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> +#include <linux/tracehook.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -312,25 +313,18 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } +asmlinkage unsigned long syscall_trace_enter(void) +{ + unsigned long ret = 0; + if (test_thread_flag(TIF_SYSCALL_TRACE) && + tracehook_report_syscall_entry(current_pt_regs())) + ret = -1UL; + return ret ?: current_pt_regs()->r0; +} + asmlinkage void -syscall_trace(void) +syscall_trace_leave(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return; - if (!(current->ptrace & PT_PTRACED)) - return; - /* The 0x80 provides a way for the tracing parent to distinguish - between a syscall stop and SIGTRAP delivery */ - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0)); - - /* - * This isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } + if (test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(current_pt_regs(), 0); } |