X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=io.c;h=2a36c000d001b5075d73ed9eadeea3ceb088dea2;hb=924996a41e54a3ac6bb90a43a8cebbbf6c0e1319;hp=6b3f4b70d9f8c665198dd33a8690f5b1235c78d0;hpb=043b5f81429412cf23d578d1dc2b45107a8352e5;p=strace

diff --git a/io.c b/io.c
index 6b3f4b70..2a36c000 100644
--- a/io.c
+++ b/io.c
@@ -30,9 +30,7 @@
 
 #include "defs.h"
 #include <fcntl.h>
-#if HAVE_SYS_UIO_H
-# include <sys/uio.h>
-#endif
+#include <sys/uio.h>
 
 int
 sys_read(struct tcb *tcp)
@@ -62,7 +60,6 @@ sys_write(struct tcb *tcp)
 	return 0;
 }
 
-#if HAVE_SYS_UIO_H
 /*
  * data_size limits the cumulative size of printed data.
  * Example: recvmsg returing a short read.
@@ -174,7 +171,6 @@ sys_writev(struct tcb *tcp)
 	}
 	return 0;
 }
-#endif
 
 /* The SH4 ABI does allow long longs in odd-numbered registers, but
    does not allow them to be split between registers and memory - and
@@ -217,7 +213,25 @@ sys_pwrite(struct tcb *tcp)
 	return 0;
 }
 
-#if HAVE_SYS_UIO_H
+static void
+print_llu_from_low_high_val(struct tcb *tcp, int arg)
+{
+#if SIZEOF_LONG == SIZEOF_LONG_LONG
+	tprintf("%lu", (unsigned long) tcp->u_arg[arg]);
+#elif defined(LINUX_MIPSN32)
+	tprintf("%llu", (unsigned long long) tcp->ext_arg[arg]);
+#else
+# ifdef X32
+	if (current_personality == 0)
+		tprintf("%llu", (unsigned long long) tcp->ext_arg[arg]);
+	else
+# endif
+	tprintf("%llu",
+		((unsigned long long) (unsigned long) tcp->u_arg[arg + 1] << sizeof(long) * 8)
+		| (unsigned long long) (unsigned long) tcp->u_arg[arg]);
+#endif
+}
+
 int
 sys_preadv(struct tcb *tcp)
 {
@@ -231,7 +245,7 @@ sys_preadv(struct tcb *tcp)
 		}
 		tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
 		tprintf(", %lu, ", tcp->u_arg[2]);
-		printllval(tcp, "%llu", PREAD_OFFSET_ARG);
+		print_llu_from_low_high_val(tcp, 3);
 	}
 	return 0;
 }
@@ -244,32 +258,46 @@ sys_pwritev(struct tcb *tcp)
 		tprints(", ");
 		tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
 		tprintf(", %lu, ", tcp->u_arg[2]);
-		printllval(tcp, "%llu", PREAD_OFFSET_ARG);
+		print_llu_from_low_high_val(tcp, 3);
 	}
 	return 0;
 }
-#endif /* HAVE_SYS_UIO_H */
+
+static void
+print_off_t(struct tcb *tcp, long addr)
+{
+	unsigned long offset;
+
+	if (!addr) {
+		tprints("NULL");
+		return;
+	}
+
+#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
+	if (current_wordsize == 4) {
+		uint32_t off;
+
+		if (umove(tcp, addr, &off) < 0)
+			tprintf("%#lx", addr);
+		else
+			tprintf("[%u]", off);
+	} else
+#endif
+	if (umove(tcp, addr, &offset) < 0)
+		tprintf("%#lx", addr);
+	else
+		tprintf("[%lu]", offset);
+}
 
 int
 sys_sendfile(struct tcb *tcp)
 {
 	if (entering(tcp)) {
-		off_t offset;
-
 		printfd(tcp, tcp->u_arg[0]);
 		tprints(", ");
 		printfd(tcp, tcp->u_arg[1]);
 		tprints(", ");
-		if (!tcp->u_arg[2])
-			tprints("NULL");
-		else if (umove(tcp, tcp->u_arg[2], &offset) < 0)
-			tprintf("%#lx", tcp->u_arg[2]);
-		else
-#ifdef HAVE_LONG_LONG_OFF_T
-			tprintf("[%llu]", offset);
-#else
-			tprintf("[%lu]", offset);
-#endif
+		print_off_t(tcp, tcp->u_arg[2]);
 		tprintf(", %lu", tcp->u_arg[3]);
 	}
 	return 0;
@@ -302,21 +330,7 @@ sys_sendfile64(struct tcb *tcp)
 	return 0;
 }
 
-static const struct xlat splice_flags[] = {
-#ifdef SPLICE_F_MOVE
-	{ SPLICE_F_MOVE,     "SPLICE_F_MOVE"     },
-#endif
-#ifdef SPLICE_F_NONBLOCK
-	{ SPLICE_F_NONBLOCK, "SPLICE_F_NONBLOCK" },
-#endif
-#ifdef SPLICE_F_MORE
-	{ SPLICE_F_MORE,     "SPLICE_F_MORE"     },
-#endif
-#ifdef SPLICE_F_GIFT
-	{ SPLICE_F_GIFT,     "SPLICE_F_GIFT"     },
-#endif
-	{ 0,                 NULL                },
-};
+#include "xlat/splice_flags.h"
 
 int
 sys_tee(struct tcb *tcp)
@@ -379,7 +393,7 @@ sys_vmsplice(struct tcb *tcp)
 int
 sys_ioctl(struct tcb *tcp)
 {
-	const struct ioctlent *iop;
+	const struct_ioctlent *iop;
 
 	if (entering(tcp)) {
 		printfd(tcp, tcp->u_arg[0]);
@@ -390,7 +404,7 @@ sys_ioctl(struct tcb *tcp)
 			while ((iop = ioctl_next_match(iop)))
 				tprintf(" or %s", iop->symbol);
 		} else
-			tprintf("%#lx", tcp->u_arg[1]);
+			ioctl_print_code(tcp->u_arg[1]);
 		ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]);
 	}
 	else {