From: Roland McGrath <roland@redhat.com>
Date: Thu, 7 Oct 2004 18:51:19 +0000 (+0000)
Subject: 2004-10-07  Roland McGrath  <roland@redhat.com>
X-Git-Tag: v4.5.18~496
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=df13e8f4cae0e57786cf5cd9d0304d6f9f2715d5;p=strace

2004-10-07  Roland McGrath  <roland@redhat.com>

	* file.c [LINUX && (I386 || X86_64)] (sys_fadvise64, sys_fadvise64_64):
	New functions.
	* linux/syscall.h: Declare them.
	* linux/syscallent.h: Handle fadvise64 and fadvise64_64 using those.
	From Ulrich Drepper <drepper@redhat.com>.
---

diff --git a/file.c b/file.c
index bbbebe8a..4428a5b9 100644
--- a/file.c
+++ b/file.c
@@ -2472,3 +2472,56 @@ struct tcb *tcp;
     }
     return 0;
 }
+
+
+static const struct xlat advise[] = {
+  { POSIX_FADV_NORMAL,		"POSIX_FADV_NORMAL"	},
+  { POSIX_FADV_RANDOM,		"POSIX_FADV_RANDOM"	},
+  { POSIX_FADV_SEQUENTIAL,	"POSIX_FADV_SEQUENTIAL"	},
+  { POSIX_FADV_WILLNEED,	"POSIX_FADV_WILLNEED"	},
+  { POSIX_FADV_DONTNEED,	"POSIX_FADV_DONTNEED"	},
+  { POSIX_FADV_NOREUSE,		"POSIX_FADV_NOREUSE"	},
+  { 0,				NULL			}
+};
+
+
+#if defined LINUX && (defined I386 || defined X86_64)
+int
+sys_fadvise64(tcp)
+struct tcb *tcp;
+{
+    if (entering(tcp)) {
+	tprintf("%ld, %lld, %ld, ",
+		tcp->u_arg[0],
+# if defined IA64 || defined X86_64 || defined ALPHA
+		(long long int) tcp->u_arg[1], tcp->u_arg[2]);
+	printxval(advise, tcp->u_arg[3], "POSIX_FADV_???");
+#else
+		((long long int) tcp->u_arg[2] << 32) | tcp->u_arg[1],
+		tcp->u_arg[3]);
+	printxval (advise, tcp->u_arg[4], "POSIX_FADV_???");
+#endif
+    }
+    return 0;
+}
+#endif
+
+
+int
+sys_fadvise64_64(tcp)
+struct tcb *tcp;
+{
+    if (entering(tcp)) {
+	tprintf("%ld, %lld, %lld, ",
+		tcp->u_arg[0],
+# if defined IA64 || defined X86_64 || defined ALPHA
+		(long long int) tcp->u_arg[1], (long long int) tcp->u_arg[2]);
+	printxval(advise, tcp->u_arg[3], "POSIX_FADV_???");
+#else
+		((long long int) tcp->u_arg[2] << 32) | tcp->u_arg[1],
+		((long long int) tcp->u_arg[4] << 32) | tcp->u_arg[3]);
+	printxval(advise, tcp->u_arg[5], "POSIX_FADV_???");
+#endif
+    }
+    return 0;
+}
diff --git a/linux/syscall.h b/linux/syscall.h
index 0afdc700..bcbe8277 100644
--- a/linux/syscall.h
+++ b/linux/syscall.h
@@ -97,7 +97,7 @@ int sys_semtimedop(), sys_statfs64(), sys_fstatfs64(), sys_tgkill();
 int sys_mq_open(), sys_mq_timedsend(), sys_mq_timedreceive();
 int sys_mq_notify(), sys_mq_getsetattr();
 int sys_epoll_create(), sys_epoll_ctl(), sys_epoll_wait();
-int sys_waitid();
+int sys_waitid(), sys_fadvise64(), sys_fadvise64_64();
 
 /* sys_socketcall subcalls */
 
diff --git a/linux/syscallent.h b/linux/syscallent.h
index 7fcaf6d3..9cceccfa 100644
--- a/linux/syscallent.h
+++ b/linux/syscallent.h
@@ -296,7 +296,7 @@
 	{ 5,	0,	printargs,		"io_getevents"	}, /* 247 */
 	{ 3,	0,	printargs,		"io_submit"	}, /* 248 */
 	{ 3,	0,	printargs,		"io_cancel"	}, /* 249 */
-	{ 5,	0,	printargs,		"SYS_250"	}, /* 250 */
+	{ 5,	TF,	sys_fadvise64,		"fadvise64"	}, /* 250 */
 	{ 5,	0,	printargs,		"SYS_251"	}, /* 251 */
 	{ 1,	TP,	sys_exit,		"exit_group"	}, /* 252 */
 	{ 4,	0,	printargs,		"lookup_dcookie"}, /* 253 */
@@ -315,10 +315,10 @@
 	{ 2,	0,	sys_clock_getres,	"clock_getres"	}, /* 266 */
 	{ 4,	0,	sys_clock_nanosleep,	"clock_nanosleep"}, /* 267 */
 	{ 3,	TF,	sys_statfs64,		"statfs64"	}, /* 268 */
-	{ 3,	0,	sys_fstatfs64,		"fstatfs64"	}, /* 269 */
+	{ 3,	TF,	sys_fstatfs64,		"fstatfs64"	}, /* 269 */
 	{ 3,	TS,	sys_tgkill,		"tgkill"	}, /* 270 */
 	{ 2,	TF,	sys_utimes,		"utimes"	}, /* 271 */
-	{ 5,	0,	printargs,		"SYS_272"	}, /* 272 */
+	{ 6,	TF,	sys_fadvise64_64,	"fadvise64_64"	}, /* 272 */
 	{ 5,	0,	printargs,		"SYS_273"	}, /* 273 */
 	{ 5,	0,	printargs,		"SYS_274"	}, /* 274 */
 	{ 5,	0,	printargs,		"SYS_275"	}, /* 275 */