X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Ftt%2Ftracer.c;fp=arch%2Fum%2Fkernel%2Ftt%2Ftracer.c;h=71daae24e48a8b8125b203fafc74ee40ea39c81d;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=9882342206ecf7a1a78a4661e530b3511af39ee2;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/arch/um/kernel/tt/tracer.c b/arch/um/kernel/tt/tracer.c
index 988234220..71daae24e 100644
--- a/arch/um/kernel/tt/tracer.c
+++ b/arch/um/kernel/tt/tracer.c
@@ -188,7 +188,10 @@ int tracer(int (*init_proc)(void *), void *sp)
 	int status, pid = 0, sig = 0, cont_type, tracing = 0, op = 0;
 	int proc_id = 0, n, err, old_tracing = 0, strace = 0;
 	int local_using_sysemu = 0;
-
+#ifdef UML_CONFIG_SYSCALL_DEBUG
+	unsigned long eip = 0;
+	int last_index;
+#endif
 	signal(SIGPIPE, SIG_IGN);
 	setup_tracer_winch();
 	tracing_pid = os_getpid();
@@ -279,6 +282,23 @@ int tracer(int (*init_proc)(void *), void *sp)
 		else if(WIFSTOPPED(status)){
 			proc_id = pid_to_processor_id(pid);
 			sig = WSTOPSIG(status);
+#ifdef UML_CONFIG_SYSCALL_DEBUG
+			if(signal_index[proc_id] == 1024){
+				signal_index[proc_id] = 0;
+				last_index = 1023;
+			}
+			else last_index = signal_index[proc_id] - 1;
+			if(((sig == SIGPROF) || (sig == SIGVTALRM) ||
+			    (sig == SIGALRM)) &&
+			   (signal_record[proc_id][last_index].signal == sig)&&
+			   (signal_record[proc_id][last_index].pid == pid))
+				signal_index[proc_id] = last_index;
+			signal_record[proc_id][signal_index[proc_id]].pid = pid;
+			gettimeofday(&signal_record[proc_id][signal_index[proc_id]].time, NULL);
+			eip = ptrace(PTRACE_PEEKUSR, pid, PT_IP_OFFSET, 0);
+			signal_record[proc_id][signal_index[proc_id]].addr = eip;
+			signal_record[proc_id][signal_index[proc_id]++].signal = sig;
+#endif
 			if(proc_id == -1){
 				sleeping_process_signal(pid, sig);
 				continue;