/*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
- * Copyright (c) 2016-2017 The strace developers.
+ * Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef STRACE_TESTS_H
#define STRACE_TESTS_H
-# ifdef HAVE_CONFIG_H
-# include "config.h"
-# endif
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-# include <sys/types.h>
-# include "kernel_types.h"
-# include "gcc_compat.h"
+#ifdef TESTS_SIZEOF_KERNEL_LONG_T
+# undef SIZEOF_KERNEL_LONG_T
+# define SIZEOF_KERNEL_LONG_T TESTS_SIZEOF_KERNEL_LONG_T
+#endif
+
+#ifdef TESTS_SIZEOF_LONG
+# undef SIZEOF_LONG
+# define SIZEOF_LONG TESTS_SIZEOF_LONG
+#endif
+
+#include <stdbool.h>
+#include <sys/types.h>
+#include "kernel_types.h"
+#include "gcc_compat.h"
+#include "macros.h"
+
+/*
+ * The printf-like function to use in header files
+ * shared between strace and its tests.
+ */
+#ifndef STRACE_PRINTF
+# define STRACE_PRINTF printf
+#endif
/* Tests of "strace -v" are expected to define VERBOSE to 1. */
#ifndef VERBOSE
# define VERBOSE 0
#endif
+/* xlat verbosity defaults */
+#ifndef XLAT_RAW
+# define XLAT_RAW 0
+#endif
+#ifndef XLAT_VERBOSE
+# define XLAT_VERBOSE 0
+#endif
+
+#ifndef DEFAULT_STRLEN
+/* Default maximum # of bytes printed in printstr et al. */
+# define DEFAULT_STRLEN 32
+#endif
+
/* Cached sysconf(_SC_PAGESIZE). */
size_t get_page_size(void);
void perror_msg_and_skip(const char *, ...)
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
+#ifndef perror_msg_and_fail
+# define perror_msg_and_fail(fmt_, ...) \
+ perror_msg_and_fail("%s:%d: " fmt_, __FILE__, __LINE__, ##__VA_ARGS__)
+#endif
+#ifndef perror_msg_and_fail
+# define error_msg_and_fail(fmt_, ...) \
+ error_msg_and_fail("%s:%d: " fmt_, __FILE__, __LINE__, ##__VA_ARGS__)
+#endif
+
/* Stat the specified file and skip the test if the stat call failed. */
void skip_if_unavailable(const char *);
/*
* Allocate memory that ends on the page boundary.
- * Pages allocated by this call are preceeded by an unmapped page
+ * Pages allocated by this call are preceded by an unmapped page
* and followed also by an unmapped page.
*/
void *tail_alloc(const size_t)
void *tail_memdup(const void *, const size_t)
ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((2));
+#define midtail_alloc(after_, before_) \
+ ((void *) ((char *) tail_alloc(((before_) + (after_))) + (before_)))
+
/*
* Allocate an object of the specified type at the end
* of a mapped memory region.
/* Return inode number of socket descriptor. */
unsigned long inode_of_sockfd(int);
+/* Print string in a quoted form with optional escape characters. */
+void print_quoted_string_ex(const char *, bool quote, const char *escape_str);
+
/* Print string in a quoted form. */
void print_quoted_string(const char *);
+/*
+ * Print a NUL-terminated string `str' of length up to `size' - 1
+ * in a quoted form.
+ */
+void print_quoted_cstring(const char *str, size_t size);
+
+/*
+ * Print a NUL-terminated string `str' of length up to `size'
+ * in a quoted form.
+ */
+void print_quoted_stringn(const char *str, size_t size);
+
+/* Print memory in a quoted form with optional escape characters. */
+void print_quoted_memory_ex(const void *, size_t, bool quote,
+ const char *escape_chars);
+
/* Print memory in a quoted form. */
-void print_quoted_memory(const char *, size_t);
+void print_quoted_memory(const void *, size_t);
+
+/* Print memory in a hexquoted form. */
+void print_quoted_hex(const void *, size_t);
/* Print time_t and nanoseconds in symbolic format. */
void print_time_t_nsec(time_t, unsigned long long, int);
int send_mmsg(int, struct mmsghdr *, unsigned int, unsigned int);
/* Create a netlink socket. */
-int create_nl_socket(int);
+int create_nl_socket_ext(int proto, const char *name);
+#define create_nl_socket(proto) create_nl_socket_ext((proto), #proto)
/* Create a pipe with maximized descriptor numbers. */
void pipe_maxfd(int pipefd[2]);
+/* if_nametoindex("lo") */
+unsigned int ifindex_lo(void);
+
+#ifdef HAVE_IF_INDEXTONAME
+# define IFINDEX_LO_STR "if_nametoindex(\"lo\")"
+#else
+# define IFINDEX_LO_STR "1"
+#endif
+
#define F8ILL_KULONG_SUPPORTED (sizeof(void *) < sizeof(kernel_ulong_t))
#define F8ILL_KULONG_MASK ((kernel_ulong_t) 0xffffffff00000000ULL)
? F8ILL_KULONG_MASK | uptr : (kernel_ulong_t) uptr;
}
-# define ARRAY_SIZE(arg) ((unsigned int) (sizeof(arg) / sizeof((arg)[0])))
# define LENGTH_OF(arg) ((unsigned int) sizeof(arg) - 1)
/* Zero-extend a signed integer type to unsigned long long. */
sizeof(v) == sizeof(long) ? (long long) (long) (v) : \
(long long) (v))
-# define SKIP_MAIN_UNDEFINED(arg) \
+#define SKIP_MAIN_UNDEFINED(arg) \
int main(void) { error_msg_and_skip("undefined: %s", arg); }
+#if WORDS_BIGENDIAN
+# define LL_PAIR(HI, LO) (HI), (LO)
+#else
+# define LL_PAIR(HI, LO) (LO), (HI)
+#endif
+#define LL_VAL_TO_PAIR(llval) LL_PAIR((long) ((llval) >> 32), (long) (llval))
+
+#define ARG_STR(_arg) (_arg), #_arg
+#define ARG_ULL_STR(_arg) _arg##ULL, #_arg
+
/*
- * The kernel used to define 64-bit types on 64-bit systems on a per-arch
- * basis. Some architectures would use unsigned long and others would use
- * unsigned long long. These types were exported as part of the
- * kernel-userspace ABI and now must be maintained forever. This matches
- * what the kernel exports for each architecture so we don't need to cast
- * every printing of __u64 or __s64 to stdint types.
+ * Assign an object of type DEST_TYPE at address DEST_ADDR
+ * using memcpy to avoid potential unaligned access.
*/
-# if SIZEOF_LONG == 4
-# define PRI__64 "ll"
-# elif defined ALPHA || defined IA64 || defined MIPS || defined POWERPC
-# define PRI__64 "l"
-# else
-# define PRI__64 "ll"
-# endif
-
-# define PRI__d64 PRI__64"d"
-# define PRI__u64 PRI__64"u"
-# define PRI__x64 PRI__64"x"
-
-# if WORDS_BIGENDIAN
-# define LL_PAIR(HI, LO) (HI), (LO)
-# else
-# define LL_PAIR(HI, LO) (LO), (HI)
-# endif
-# define LL_VAL_TO_PAIR(llval) LL_PAIR((long) ((llval) >> 32), (long) (llval))
-
-# define _STR(_arg) #_arg
-# define ARG_STR(_arg) (_arg), #_arg
-# define ARG_ULL_STR(_arg) _arg##ULL, #_arg
+#define SET_STRUCT(DEST_TYPE, DEST_ADDR, ...) \
+ do { \
+ DEST_TYPE dest_type_tmp_var = { __VA_ARGS__ }; \
+ memcpy(DEST_ADDR, &dest_type_tmp_var, sizeof(dest_type_tmp_var)); \
+ } while (0)
+
+#define NLMSG_ATTR(nlh, hdrlen) ((void *)(nlh) + NLMSG_SPACE(hdrlen))
#endif /* !STRACE_TESTS_H */