Fix preadv/pwritev offset decoding

* util.c (printllval): Add align argument.
* defs.h (printllval): Update prototype.
(printllval_aligned, printllval_unaligned): New macros.
* file.c (sys_readahead, sys_truncate64, sys_ftruncate64, sys_fadvise64,
sys_fadvise64_64, sys_sync_file_range, sys_sync_file_range2,
sys_fallocate): Replace printllval call with printllval_aligned.
* io.c (sys_pread, sys_pwrite): Likewise.
(sys_preadv, sys_pwritev): Replace printllval call with
printllval_unaligned.
* linux/arm/syscallent.h: Set the number of preadv and pwritev
arguments to 5.
* linux/mips/syscallent-o32.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/xtensa/syscallent.h: Likewise.

Reported-by: Dima Kogan <dima@secretsauce.net>
diff --git a/file.c b/file.c
index d82f4d1..b6cc135 100644
--- a/file.c
+++ b/file.c
@@ -619,7 +619,7 @@
 	if (entering(tcp)) {
 		int argn;
 		printfd(tcp, tcp->u_arg[0]);
-		argn = printllval(tcp, ", %lld", 1);
+		argn = printllval_aligned(tcp, ", %lld", 1);
 		tprintf(", %ld", tcp->u_arg[argn]);
 	}
 	return 0;
@@ -640,7 +640,7 @@
 {
 	if (entering(tcp)) {
 		printpath(tcp, tcp->u_arg[0]);
-		printllval(tcp, ", %llu", 1);
+		printllval_aligned(tcp, ", %llu", 1);
 	}
 	return 0;
 }
@@ -660,7 +660,7 @@
 {
 	if (entering(tcp)) {
 		printfd(tcp, tcp->u_arg[0]);
-		printllval(tcp, ", %llu", 1);
+		printllval_aligned(tcp, ", %llu", 1);
 	}
 	return 0;
 }
@@ -2663,7 +2663,7 @@
 	if (entering(tcp)) {
 		int argn;
 		printfd(tcp, tcp->u_arg[0]);
-		argn = printllval(tcp, ", %lld", 1);
+		argn = printllval_aligned(tcp, ", %lld", 1);
 		tprintf(", %ld, ", tcp->u_arg[argn++]);
 		printxval(advise, tcp->u_arg[argn], "POSIX_FADV_???");
 	}
@@ -2676,8 +2676,8 @@
 	if (entering(tcp)) {
 		int argn;
 		printfd(tcp, tcp->u_arg[0]);
-		argn = printllval(tcp, ", %lld, ", 1);
-		argn = printllval(tcp, "%lld, ", argn);
+		argn = printllval_aligned(tcp, ", %lld, ", 1);
+		argn = printllval_aligned(tcp, "%lld, ", argn);
 #if defined __ARM_EABI__ || defined AARCH64 || defined POWERPC || defined XTENSA
 		printxval(advise, tcp->u_arg[1], "POSIX_FADV_???");
 #else
@@ -2700,8 +2700,8 @@
 	if (entering(tcp)) {
 		int argn;
 		printfd(tcp, tcp->u_arg[0]);
-		argn = printllval(tcp, ", %lld, ", 1);
-		argn = printllval(tcp, "%lld, ", argn);
+		argn = printllval_aligned(tcp, ", %lld, ", 1);
+		argn = printllval_aligned(tcp, "%lld, ", argn);
 		printflags(sync_file_range_flags, tcp->u_arg[argn],
 		           "SYNC_FILE_RANGE_???");
 	}
@@ -2716,8 +2716,8 @@
 		printfd(tcp, tcp->u_arg[0]);
 		printflags(sync_file_range_flags, 1,
 		           "SYNC_FILE_RANGE_???");
-		argn = printllval(tcp, ", %lld, ", 2);
-		argn = printllval(tcp, "%lld, ", argn);
+		argn = printllval_aligned(tcp, ", %lld, ", 2);
+		argn = printllval_aligned(tcp, "%lld, ", argn);
 	}
 	return 0;
 }
@@ -2729,8 +2729,8 @@
 		int argn;
 		printfd(tcp, tcp->u_arg[0]);		/* fd */
 		tprintf(", %#lo, ", tcp->u_arg[1]);	/* mode */
-		argn = printllval(tcp, "%llu, ", 2);	/* offset */
-		printllval(tcp, "%llu", argn);		/* len */
+		argn = printllval_aligned(tcp, "%llu, ", 2);	/* offset */
+		printllval_aligned(tcp, "%llu", argn);		/* len */
 	}
 	return 0;
 }