X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Ftt%2Ftracer.c;h=b9195355075ab3e9540dd0e880be38b1cd08556a;hb=refs%2Fheads%2Fvserver;hp=257a16e84da5bd3029e750c5d7b7b9229d71c173;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/arch/um/kernel/tt/tracer.c b/arch/um/kernel/tt/tracer.c
index 257a16e84..b91953550 100644
--- a/arch/um/kernel/tt/tracer.c
+++ b/arch/um/kernel/tt/tracer.c
@@ -12,8 +12,6 @@
 #include <sched.h>
 #include <string.h>
 #include <sys/mman.h>
-#include <sys/ptrace.h>
-#include <linux/ptrace.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include "user.h"
@@ -21,13 +19,13 @@
 #include "sigcontext.h"
 #include "sysdep/sigcontext.h"
 #include "os.h"
-#include "signal_user.h"
 #include "user_util.h"
 #include "mem_user.h"
 #include "process.h"
 #include "kern_util.h"
 #include "chan_user.h"
 #include "ptrace_user.h"
+#include "irq_user.h"
 #include "mode.h"
 #include "tt.h"
 
@@ -35,7 +33,7 @@ static int tracer_winch[2];
 
 int is_tracer_winch(int pid, int fd, void *data)
 {
-	if(pid != tracing_pid)
+	if(pid != os_getpgrp())
 		return(0);
 
 	register_winch_irq(tracer_winch[0], fd, -1, data);
@@ -91,8 +89,10 @@ void tracer_panic(char *format, ...)
 
 static void tracer_segv(int sig, struct sigcontext sc)
 {
+        struct faultinfo fi;
+        GET_FAULTINFO_FROM_SC(fi, &sc);
 	printf("Tracing thread segfault at address 0x%lx, ip 0x%lx\n",
-	       SC_FAULT_ADDR(&sc), SC_IP(&sc));
+               FAULT_ADDRESS(fi), SC_IP(&sc));
 	while(1)
 		pause();
 }
@@ -119,6 +119,7 @@ static int signal_tramp(void *arg)
 	signal(SIGSEGV, (__sighandler_t) sig_handler);
 	set_cmdline("(idle thread)");
 	set_init_pid(os_getpid());
+	init_irq_signals(0);
 	proc = arg;
 	return((*proc)(NULL));
 }
@@ -175,7 +176,6 @@ struct {
 int signal_index[32];
 int nsignals = 0;
 int debug_trace = 0;
-extern int io_nsignals, io_count, intr_count;
 
 extern void signal_usr1(int sig);
 
@@ -184,9 +184,8 @@ int tracing_pid = -1;
 int tracer(int (*init_proc)(void *), void *sp)
 {
 	void *task = NULL;
-	unsigned long eip = 0;
 	int status, pid = 0, sig = 0, cont_type, tracing = 0, op = 0;
-	int last_index, proc_id = 0, n, err, old_tracing = 0, strace = 0;
+	int proc_id = 0, n, err, old_tracing = 0, strace = 0;
 	int local_using_sysemu = 0;
 
 	signal(SIGPIPE, SIG_IGN);
@@ -279,22 +278,6 @@ int tracer(int (*init_proc)(void *), void *sp)
 		else if(WIFSTOPPED(status)){
 			proc_id = pid_to_processor_id(pid);
 			sig = WSTOPSIG(status);
-			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_PEEKUSER, 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;
-			
 			if(proc_id == -1){
 				sleeping_process_signal(pid, sig);
 				continue;
@@ -467,19 +450,6 @@ __uml_setup("debugtrace", uml_debugtrace_setup,
 "    the debug switch.\n\n"
 );
 
-static int __init uml_honeypot_setup(char *line, int *add)
-{
-	jail_setup("", add);
-	honeypot = 1;
-	return 0;
-}
-__uml_setup("honeypot", uml_honeypot_setup, 
-"honeypot\n"
-"    This makes UML put process stacks in the same location as they are\n"
-"    on the host, allowing expoits such as stack smashes to work against\n"
-"    UML.  This implies 'jail'.\n\n"
-);
-
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically