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support PTRACE_SYSCALL.

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support PTRACE_O_TRACESYSGOOD.
ptrace_report_exec() calls ptrace_report_signal().

refs #265
This commit is contained in:
Susumu Komae
2015-02-17 16:56:27 +09:00
committed by postpeta
parent 8568a73f33
commit fa15f6b106
4 changed files with 47 additions and 45 deletions
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5
arch/x86/kernel/syscall.c
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@@ -391,7 +391,7 @@ void set_single_step(struct process *proc)
extern void coredump(struct process *proc, void *regs);
static void ptrace_report_signal(struct process *proc, struct x86_regs *regs, int sig)
void ptrace_report_signal(struct process *proc, int sig)
{
long rc;
@@ -401,6 +401,7 @@ static void ptrace_report_signal(struct process *proc, struct x86_regs *regs, in
proc->ftn->exit_status = sig;
/* Transition process state */
proc->ftn->status = PS_TRACED;
proc->ftn->ptrace &= ~PT_TRACE_SYSCALL_MASK;
ihk_mc_spinlock_unlock_noirq(&proc->ftn->lock);
if (proc->ftn->parent) {
/* kill SIGCHLD */
@@ -525,7 +526,7 @@ do_signal(unsigned long rc, void *regs0, struct process *proc, struct sig_pendin
case SIGTTIN:
case SIGTTOU:
if(ptraceflag){
ptrace_report_signal(proc, regs, orgsig);
ptrace_report_signal(proc, orgsig);
}
else{
dkprintf("do_signal,SIGSTOP,changing state\n");