--- process.c
+++ process.c
@@ -2242,6 +2242,18 @@
 #ifdef PTRACE_SETVRREGS
 	{ PTRACE_SETVRREGS,	"PTRACE_SETVRREGS",	},
 #endif
+#ifdef PTRACE_SETOPTIONS
+	{ PTRACE_SETOPTIONS,	"PTRACE_SETOPTIONS",	},
+#endif
+#ifdef PTRACE_GETEVENTMSG
+	{ PTRACE_GETEVENTMSG,	"PTRACE_GETEVENTMSG",	},
+#endif
+#ifdef PTRACE_GETSIGINFO
+	{ PTRACE_GETSIGINFO,	"PTRACE_GETSIGINFO",	},
+#endif
+#ifdef PTRACE_SETSIGINFO
+	{ PTRACE_SETSIGINFO,	"PTRACE_SETSIGINFO",	},
+#endif
 #ifdef SUNOS4
 	{ PTRACE_READDATA,	"PTRACE_READDATA"	},
 	{ PTRACE_WRITEDATA,	"PTRACE_WRITEDATA"	},
@@ -3016,10 +3028,12 @@
 			tprintf("%#lx, ", tcp->u_arg[2]);
 #ifdef LINUX
 		switch (tcp->u_arg[0]) {
+#ifndef IA64
 		case PTRACE_PEEKDATA:
 		case PTRACE_PEEKTEXT:
 		case PTRACE_PEEKUSER:
 			break;
+#endif
 		case PTRACE_CONT:
 		case PTRACE_SINGLESTEP:
 		case PTRACE_SYSCALL:
@@ -3035,8 +3049,12 @@
 		case PTRACE_PEEKDATA:
 		case PTRACE_PEEKTEXT:
 		case PTRACE_PEEKUSER:
+#ifdef IA64
+			return RVAL_HEX;
+#else
 			printnum(tcp, tcp->u_arg[3], "%#lx");
 			break;
+#endif
 		}
 	}
 #endif /* LINUX */