diff options
Diffstat (limited to 'arch/parisc/kernel/ptrace.c')
| -rw-r--r-- | arch/parisc/kernel/ptrace.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 927db36..2118ed0 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <linux/errno.h> #include <linux/ptrace.h> +#include <linux/tracehook.h> #include <linux/user.h> #include <linux/personality.h> #include <linux/security.h> @@ -264,21 +265,19 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, #endif -void syscall_trace(void) +void syscall_trace(int why) { + struct pt_regs *regs = ¤t->thread.regs; + if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; - if (!(current->ptrace & PT_PTRACED)) - return; - 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 + * Report the system call for tracing. Entry tracing can + * decide to abort the call. We handle that by setting an + * invalid syscall number (-1) to force an ENOSYS error. */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } + if (why) + tracehook_report_syscall_exit(regs, 0); + else if (tracehook_report_syscall_entry(regs)) + regs->gr[20] = -1; /* force ENOSYS */ } |