diff options
Diffstat (limited to 'arch/arm/kernel/ptrace.c')
| -rw-r--r-- | arch/arm/kernel/ptrace.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 9650c143afc1..14e38261cd31 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -24,6 +24,7 @@ #include <linux/hw_breakpoint.h> #include <linux/regset.h> #include <linux/audit.h> +#include <linux/tracehook.h> #include <asm/pgtable.h> #include <asm/traps.h> @@ -918,8 +919,6 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) if (!test_thread_flag(TIF_SYSCALL_TRACE)) return scno; - if (!(current->ptrace & PT_PTRACED)) - return scno; current_thread_info()->syscall = scno; @@ -930,19 +929,11 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) ip = regs->ARM_ip; regs->ARM_ip = why; - /* 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 (why) + tracehook_report_syscall_exit(regs, 0); + else if (tracehook_report_syscall_entry(regs)) + current_thread_info()->syscall = -1; + regs->ARM_ip = ip; return current_thread_info()->syscall; |