process.c: update (sys_prctl)

2008-04-19  Dmitry V. Levin <ldv@altlinux.org>

	* process.c (sys_prctl): Decode PR_SET_PDEATHSIG, PR_GET_PDEATHSIG,
	PR_SET_DUMPABLE, PR_GET_DUMPABLE, PR_SET_KEEPCAPS, PR_GET_KEEPCAPS.
	Fix PR_GET_UNALIGN decoder.

Change-Id: I1cbf933b89ee3d62300856969afd1ea2a971d262

ChangeLog

@@ -1,6 +1,9 @@
 2008-04-19  Dmitry V. Levin <ldv@altlinux.org>
 
-	* process.c (prctl_options): Add more constants.
+	* process.c (sys_prctl): Decode PR_SET_PDEATHSIG, PR_GET_PDEATHSIG,
+	PR_SET_DUMPABLE, PR_GET_DUMPABLE, PR_SET_KEEPCAPS, PR_GET_KEEPCAPS.
+	Fix PR_GET_UNALIGN decoder.
+	(prctl_options): Add more constants.
 
 	* linux/syscallent.h: Use sys_prctl() decoder for "prctl" syscall.
 	* linux/alpha/syscallent.h: Likewise.

process.c

@@ -306,10 +306,24 @@ struct tcb *tcp;
 		case PR_GETNSHARE:
 			break;
 #endif
-#ifdef PR_SET_DEATHSIG
+#ifdef PR_SET_PDEATHSIG
+		case PR_SET_PDEATHSIG:
+			tprintf(", %lu", tcp->u_arg[1]);
+			break;
+#endif
+#ifdef PR_GET_PDEATHSIG
 		case PR_GET_PDEATHSIG:
 			break;
 #endif
+#ifdef PR_SET_DUMPABLE
+		case PR_SET_DUMPABLE:
+			tprintf(", %lu", tcp->u_arg[1]);
+			break;
+#endif
+#ifdef PR_GET_DUMPABLE
+		case PR_GET_DUMPABLE:
+			break;
+#endif
 #ifdef PR_SET_UNALIGN
 		case PR_SET_UNALIGN:
 			tprintf(", %s", unalignctl_string(tcp->u_arg[1]));
@@ -319,6 +333,15 @@ struct tcb *tcp;
 		case PR_GET_UNALIGN:
 			tprintf(", %#lx", tcp->u_arg[1]);
 			break;
+#endif
+#ifdef PR_SET_KEEPCAPS
+		case PR_SET_KEEPCAPS:
+			tprintf(", %lu", tcp->u_arg[1]);
+			break;
+#endif
+#ifdef PR_GET_KEEPCAPS
+		case PR_GET_KEEPCAPS:
+			break;
 #endif
 		default:
 			for (i = 1; i < tcp->u_nargs; i++)
@@ -329,23 +352,26 @@ struct tcb *tcp;
 		switch (tcp->u_arg[0]) {
 #ifdef PR_GET_PDEATHSIG
 		case PR_GET_PDEATHSIG:
-			for (i=1; i<tcp->u_nargs; i++)
-				tprintf(", %#lx", tcp->u_arg[i]);
+			if (umove(tcp, tcp->u_arg[1], &i) < 0)
+				tprintf(", %#lx", tcp->u_arg[1]);
+			else
+				tprintf(", {%u}", i);
 			break;
 #endif
-#ifdef PR_SET_UNALIGN
-		case PR_SET_UNALIGN:
-			break;
+#ifdef PR_GET_DUMPABLE
+		case PR_GET_DUMPABLE:
+			return RVAL_UDECIMAL;
 #endif
 #ifdef PR_GET_UNALIGN
 		case PR_GET_UNALIGN:
-		{
-			int ctl;
-
-			umove(tcp, tcp->u_arg[1], &ctl);
-			tcp->auxstr = unalignctl_string(ctl);
+			if (syserror(tcp) || umove(tcp, tcp->u_arg[1], &i) < 0)
+				break;
+			tcp->auxstr = unalignctl_string(i);
 			return RVAL_STR;
-		}
+#endif
+#ifdef PR_GET_KEEPCAPS
+		case PR_GET_KEEPCAPS:
+			return RVAL_UDECIMAL;
 #endif
 		default:
 			break;