[PATCH 11/11] tests: Add test for decoding fadvise syscall

[Eugene Syromyatnikov]

* tests/.gitignore: Add fadvise64, fadvise64_64.
* tests/Makefile.am (check_PROGRAMS): Likewise.
  (DECODER_TESTS): Add fadvise64.test, fadvise64_64.test.
* fadvise64.c: New file.
* fadvise64_64.c: Likewise.
* fadvise64.test: Likewise.
* fadvise64_64.test: Likewise.
---
 tests/.gitignore        |    2 ++
 tests/Makefile.am       |    4 +++
 tests/fadvise64.c       |   71 +++++++++++++++++++++++++++++++++++++++++++++++
 tests/fadvise64.test    |    6 ++++
 tests/fadvise64_64.c    |   59 +++++++++++++++++++++++++++++++++++++++
 tests/fadvise64_64.test |    6 ++++
 6 files changed, 148 insertions(+)
 create mode 100644 tests/fadvise64.c
 create mode 100755 tests/fadvise64.test
 create mode 100644 tests/fadvise64_64.c
 create mode 100755 tests/fadvise64_64.test

diff --git a/tests/.gitignore b/tests/.gitignore
index c3665c2..b41459a 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -44,6 +44,8 @@ execve-v
 execveat
 execveat-v
 faccessat
+fadvise64
+fadvise64_64
 fallocate
 fanotify_mark
 fchdir
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4fdc877..424c5bb 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -103,6 +103,8 @@ check_PROGRAMS = \
 	execveat \
 	execveat-v \
 	faccessat \
+	fadvise64 \
+	fadvise64_64 \
 	fallocate \
 	fanotify_mark \
 	fchdir \
@@ -443,6 +445,8 @@ DECODER_TESTS = \
 	execveat-v.test \
 	execveat.test \
 	faccessat.test \
+	fadvise64.test \
+	fadvise64_64.test \
 	fallocate.test \
 	fanotify_mark.test \
 	fchdir.test \
diff --git a/tests/fadvise64.c b/tests/fadvise64.c
new file mode 100644
index 0000000..812d4f3
--- /dev/null
+++ b/tests/fadvise64.c
@@ -0,0 +1,71 @@
+#include "tests.h"
+
+#include <asm/unistd.h>
+
+#if defined(__NR_fadvise64)
+
+# include <errno.h>
+# include <limits.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "xlat.h"
+# include "xlat/advise.h"
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) LO, HI
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) HI, LO
+#endif
+
+void do_fadvise64(int fd, long long offset, long long len, int advice)
+{
+	long ret;
+
+# if (LONG_MAX > INT_MAX) || defined(__x86_64__) && defined(__ILP32__) \
+    || defined(LINUX_MIPSN32)
+	ret = syscall(__NR_fadvise64, fd, offset, len, advice);
+
+	printf("fadvise64(%d, %lld, %llu, ", fd, offset, len);
+# else /* LONG_MAX > INT_MAX */
+#  if defined(POWERPC)
+	ret = syscall(__NR_fadvise64, fd, 0,
+		__LONG_LONG_PAIR ((long) (offset >> 32), (long) offset),
+		(long) len, advice);
+	printf("fadvise64(%d, %lld, %lu, ", fd, offset, (long) len);
+#  elif defined(LINUX_MIPSO32)
+	ret = syscall(__NR_fadvise64, fd, 0,
+		__LONG_LONG_PAIR ((long) (offset >> 32), (long) offset),
+		__LONG_LONG_PAIR ((long) (len >> 32), (long) len), advice);
+	printf("fadvise64(%d, %lld, %lld, ", fd, offset, len);
+#  else
+	ret = syscall(__NR_fadvise64, fd,
+		__LONG_LONG_PAIR ((long) (offset >> 32), (long) offset),
+		(long) len, advice);
+	printf("fadvise64(%d, %lld, %lu, ", fd, offset, (long) len);
+#  endif
+# endif /* LONG_MAX > INT_MAX */
+	printxval(advise, (unsigned) advice, "POSIX_FADV_???");
+	printf(") = %s\n", sprintrc(ret));
+}
+
+int
+main(void)
+{
+	static const int bogus_fd = 0xbeefface;
+	static const long long bogus_offset = 0xbadc0dedda7a1057LLU;
+	static const long long bogus_len = (long) 0xbadfaceca7b0d1e5LLU;
+	static const int bogus_advice = 0xdeadca75;
+
+	do_fadvise64(bogus_fd, bogus_offset, bogus_len, bogus_advice);
+
+	puts("+++ exited with 0 +++");
+
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_fadvise64");
+
+#endif
diff --git a/tests/fadvise64.test b/tests/fadvise64.test
new file mode 100755
index 0000000..46c5856
--- /dev/null
+++ b/tests/fadvise64.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check fadvise64 syscall decoding.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a18
diff --git a/tests/fadvise64_64.c b/tests/fadvise64_64.c
new file mode 100644
index 0000000..35f64a0
--- /dev/null
+++ b/tests/fadvise64_64.c
@@ -0,0 +1,59 @@
+#include "tests.h"
+
+#include <asm/unistd.h>
+
+#if defined(__NR_fadvise64_64) || defined(__NR_arm_fadvise64_64)
+
+# include <errno.h>
+# include <limits.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "xlat.h"
+# include "xlat/advise.h"
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) LO, HI
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) HI, LO
+#endif
+
+void do_fadvise64_64(int fd, long long offset, long long len, int advice)
+{
+	long ret;
+
+# ifdef ARM
+	ret = syscall(__NR_arm_fadvise64_64, fd, advice,
+		__LONG_LONG_PAIR ((long) (offset >> 32), (long) offset),
+		__LONG_LONG_PAIR ((long) (len >> 32), (long)len));
+# else
+	ret = syscall(__NR_fadvise64_64, fd,
+		__LONG_LONG_PAIR ((long) (offset >> 32), (long) offset),
+		__LONG_LONG_PAIR ((long) (len >> 32), (long) len), advice);
+# endif
+
+	printf("fadvise64_64(%d, %lld, %lld, ", fd, offset, len);
+	printxval(advise, (unsigned) advice, "POSIX_FADV_???");
+	printf(") = %s\n", sprintrc(ret));
+}
+
+int
+main(void)
+{
+	static const int bogus_fd = 0xbeefface;
+	static const long long bogus_offset = 0xbadc0dedda7a1057LLU;
+	static const long long bogus_len = (long) 0xbadfaceca7b0d1e5LLU;
+	static const int bogus_advice = 0xdeadca75;
+
+	do_fadvise64_64(bogus_fd, bogus_offset, bogus_len, bogus_advice);
+
+	puts("+++ exited with 0 +++");
+
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_fadvise64_64 || __NR_arm_fadvise64_64");
+
+#endif
diff --git a/tests/fadvise64_64.test b/tests/fadvise64_64.test
new file mode 100755
index 0000000..67a37c0
--- /dev/null
+++ b/tests/fadvise64_64.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check fadvise64_64 syscall decoding.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a18
-- 
1.7.10.4