#include <sys/syscall.h>
#include "mpers_type.h"
+#include "gcc_compat.h"
#ifndef HAVE_STRERROR
const char *strerror(int);
extern char *stpcpy(char *dst, const char *src);
#endif
-#if defined __GNUC__ && defined __GNUC_MINOR__
-# define GNUC_PREREQ(maj, min) \
- ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
-#else
-# define __attribute__(x) /* empty */
-# define GNUC_PREREQ(maj, min) 0
-#endif
-
-#if GNUC_PREREQ(2, 5)
-# define ATTRIBUTE_NORETURN __attribute__((__noreturn__))
-#else
-# define ATTRIBUTE_NORETURN /* empty */
-#endif
-
-#if GNUC_PREREQ(2, 7)
-# define ATTRIBUTE_FORMAT(args) __attribute__((__format__ args))
-# define ATTRIBUTE_ALIGNED(arg) __attribute__((__aligned__(arg)))
-# define ATTRIBUTE_PACKED __attribute__((__packed__))
-#else
-# define ATTRIBUTE_FORMAT(args) /* empty */
-# define ATTRIBUTE_ALIGNED(arg) /* empty */
-# define ATTRIBUTE_PACKED /* empty */
-#endif
-
-#if GNUC_PREREQ(3, 0)
-# define ATTRIBUTE_MALLOC __attribute__((__malloc__))
-#else
-# define ATTRIBUTE_MALLOC /* empty */
-#endif
-
-#if GNUC_PREREQ(3, 1)
-# define ATTRIBUTE_NOINLINE __attribute__((__noinline__))
-#else
-# define ATTRIBUTE_NOINLINE /* empty */
-#endif
-
-#if GNUC_PREREQ(4, 3)
-# define ATTRIBUTE_ALLOC_SIZE(args) __attribute__((__alloc_size__ args))
-#else
-# define ATTRIBUTE_ALLOC_SIZE(args) /* empty */
-#endif
-
#ifndef offsetof
# define offsetof(type, member) \
(((char *) &(((type *) NULL)->member)) - ((char *) (type *) NULL))
# if defined(SPARC64)
# define SUPPORTED_PERSONALITIES 2
# define PERSONALITY1_WORDSIZE 8
+# ifdef HAVE_M32_MPERS
+# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
+# endif
# endif
#endif
# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
# endif
# ifdef HAVE_MX32_MPERS
# define PERSONALITY2_INCLUDE_FUNCS "mx32_funcs.h"
# define PERSONALITY2_INCLUDE_PRINTERS_DECLS "mx32_printer_decls.h"
# define PERSONALITY2_INCLUDE_PRINTERS_DEFS "mx32_printer_defs.h"
+# define MPERS_mx32_IOCTL_MACROS "ioctl_redefs2.h"
# endif
#endif
# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
# endif
#endif
#ifdef AARCH64
/* The existing ARM personality, then AArch64 */
# define SUPPORTED_PERSONALITIES 2
-# define PERSONALITY0_WORDSIZE 4
-# define PERSONALITY1_WORDSIZE 8
-# define DEFAULT_PERSONALITY 1
+# define PERSONALITY0_WORDSIZE 8
+# define PERSONALITY1_WORDSIZE 4
+# ifdef HAVE_M32_MPERS
+# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
+# endif
#endif
#ifdef POWERPC64
# define SUPPORTED_PERSONALITIES 2
# define PERSONALITY0_WORDSIZE 8
# define PERSONALITY1_WORDSIZE 4
+# ifdef HAVE_M32_MPERS
+# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
+# endif
#endif
#ifdef TILE
# ifdef __tilepro__
# define DEFAULT_PERSONALITY 1
# endif
+# ifdef HAVE_M32_MPERS
+# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
+# endif
#endif
#ifndef SUPPORTED_PERSONALITIES
#define abbrev(tcp) ((tcp)->qual_flg & QUAL_ABBREV)
#define filtered(tcp) ((tcp)->flags & TCB_FILTERED)
-struct xlat {
- unsigned int val;
- const char *str;
-};
-#define XLAT(x) { x, #x }
-#define XLAT_END { 0, NULL }
+#include "xlat.h"
extern const struct xlat addrfams[];
extern const struct xlat at_flags[];
+extern const struct xlat dirent_types[];
+extern const struct xlat evdev_abs[];
extern const struct xlat open_access_modes[];
extern const struct xlat open_mode_flags[];
extern const struct xlat resource_flags[];
#define STACKTRACE_CAPTURE_ON_ENTER 01000 /* Capture stacktrace on "entering" stage */
#define TRACE_INDIRECT_SUBCALL 02000 /* Syscall is an indirect socket/ipc subcall. */
+#define IOCTL_NUMBER_UNKNOWN 0
+#define IOCTL_NUMBER_HANDLED 1
+#define IOCTL_NUMBER_STOP_LOOKUP 010
+
#define indirect_ipccall(tcp) (tcp->s_ent->sys_flags & TRACE_INDIRECT_SUBCALL)
#if defined(ARM) || defined(AARCH64) \
#undef KERNEL_VERSION
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 };
-
void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
void error_msg_and_die(const char *fmt, ...)
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
+void error_msg_and_help(const char *fmt, ...)
+ ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
void perror_msg_and_die(const char *fmt, ...)
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
void die_out_of_memory(void) ATTRIBUTE_NORETURN;
extern int get_scno(struct tcb *tcp);
extern const char *syscall_name(long scno);
+extern bool is_erestart(struct tcb *);
+extern void temporarily_clear_syserror(struct tcb *);
+extern void restore_cleared_syserror(struct tcb *);
+
extern int umoven(struct tcb *, long, unsigned int, void *);
#define umove(pid, addr, objp) \
umoven((pid), (addr), sizeof(*(objp)), (void *) (objp))
extern int umoven_or_printaddr(struct tcb *, long, unsigned int, void *);
#define umove_or_printaddr(pid, addr, objp) \
umoven_or_printaddr((pid), (addr), sizeof(*(objp)), (void *) (objp))
-extern int umove_long_or_printaddr(struct tcb *, long, long *);
extern int umovestr(struct tcb *, long, unsigned int, char *);
extern int upeek(int pid, long, long *);
+extern bool
+print_array(struct tcb *tcp,
+ const unsigned long start_addr,
+ const size_t nmemb,
+ void *const elem_buf,
+ const size_t elem_size,
+ int (*const umoven_func)(struct tcb *,
+ long,
+ unsigned int,
+ void *),
+ bool (*const print_func)(struct tcb *,
+ void *elem_buf,
+ size_t elem_size,
+ void *opaque_data),
+ void *const opaque_data);
+
#if defined ALPHA || defined IA64 || defined MIPS \
|| defined SH || defined SPARC || defined SPARC64
# define HAVE_GETRVAL2
extern int pathtrace_match(struct tcb *);
extern int getfdpath(struct tcb *, int, char *, unsigned);
-extern const char *xlookup(const struct xlat *, const unsigned int);
-extern const char *xlat_search(const struct xlat *, const size_t, const unsigned int);
+extern const char *xlookup(const struct xlat *, const uint64_t);
+extern const char *xlat_search(const struct xlat *, const size_t, const uint64_t);
extern unsigned long get_pagesize(void);
extern int string_to_uint(const char *str);
#define QUOTE_0_TERMINATED 0x01
#define QUOTE_OMIT_LEADING_TRAILING_QUOTES 0x02
+extern int string_quote(const char *, char *, unsigned int, unsigned int);
extern int print_quoted_string(const char *, unsigned int, unsigned int);
/* a refers to the lower numbered u_arg,
* b refers to the higher numbered u_arg
*/
-#ifdef HAVE_LITTLE_ENDIAN_LONG_LONG
+#ifdef WORDS_BIGENDIAN
# define LONG_LONG(a,b) \
- ((long long)((unsigned long long)(unsigned)(a) | ((unsigned long long)(b)<<32)))
+ ((long long)((unsigned long long)(unsigned)(b) | ((unsigned long long)(a)<<32)))
#else
# define LONG_LONG(a,b) \
- ((long long)((unsigned long long)(unsigned)(b) | ((unsigned long long)(a)<<32)))
+ ((long long)((unsigned long long)(unsigned)(a) | ((unsigned long long)(b)<<32)))
#endif
extern int getllval(struct tcb *, unsigned long long *, int);
extern int printllval(struct tcb *, const char *, int)
ATTRIBUTE_FORMAT((printf, 2, 0));
extern void printaddr(long);
-extern void printxvals(const unsigned int, const char *, const struct xlat *, ...);
-#define printxval(xlat, val, dflt) printxvals(val, dflt, xlat, NULL)
+extern void printxvals(const uint64_t, const char *, const struct xlat *, ...)
+ ATTRIBUTE_SENTINEL;
extern int printargs(struct tcb *);
-extern int printargs_lu(struct tcb *);
-extern int printargs_ld(struct tcb *);
-extern void addflags(const struct xlat *, int);
-extern int printflags(const struct xlat *, int, const char *);
-extern const char *sprintflags(const char *, const struct xlat *, int);
-extern const char *sprintmode(int);
+extern int printargs_u(struct tcb *);
+extern int printargs_d(struct tcb *);
+
+extern void addflags(const struct xlat *, uint64_t);
+extern int printflags64(const struct xlat *, uint64_t, const char *);
+extern const char *sprintflags(const char *, const struct xlat *, uint64_t);
+extern const char *sprintmode(unsigned int);
extern const char *sprinttime(time_t);
-extern void dumpiov_in_msghdr(struct tcb *, long);
+extern void dumpiov_in_msghdr(struct tcb *, long, unsigned long);
extern void dumpiov_in_mmsghdr(struct tcb *, long);
-extern void dumpiov(struct tcb *, int, long);
+extern void dumpiov_upto(struct tcb *, int, long, unsigned long);
+#define dumpiov(tcp, len, addr) \
+ dumpiov_upto((tcp), (len), (addr), (unsigned long) -1L)
extern void dumpstr(struct tcb *, long, int);
extern void printstr(struct tcb *, long, long);
extern bool printnum_short(struct tcb *, long, const char *)
ATTRIBUTE_FORMAT((printf, 3, 0));
extern void printpath(struct tcb *, long);
extern void printpathn(struct tcb *, long, unsigned int);
-#define TIMESPEC_TEXT_BUFSIZE (sizeof(long)*3 * 2 + sizeof("{%u, %u}"))
-#define TIMEVAL_TEXT_BUFSIZE TIMESPEC_TEXT_BUFSIZE
-extern void printtv_bitness(struct tcb *, long, enum bitness_t, int);
-#define printtv(tcp, addr) \
- printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0)
-#define printtv_special(tcp, addr) \
- printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1)
-extern char *sprinttv(char *, struct tcb *, long, enum bitness_t, int special);
-extern void print_timespec(struct tcb *, long);
-extern void sprint_timespec(char *, struct tcb *, long);
-extern void printsigevent(struct tcb *tcp, long arg);
-extern void printsiginfo_at(struct tcb *tcp, long addr);
+#define TIMESPEC_TEXT_BUFSIZE \
+ (sizeof(intmax_t)*3 * 2 + sizeof("{tv_sec=%jd, tv_nsec=%jd}"))
extern void printfd(struct tcb *, int);
extern bool print_sockaddr_by_inode(const unsigned long, const char *);
+extern bool print_sockaddr_by_inode_cached(const unsigned long);
extern void print_dirfd(struct tcb *, int);
extern void printsock(struct tcb *, long, int);
extern void print_sock_optmgmt(struct tcb *, long, int);
-extern void printrusage(struct tcb *, long);
#ifdef ALPHA
extern void printrusage32(struct tcb *, long);
+extern const char *sprint_timeval32(struct tcb *tcp, long);
+extern void print_timeval32(struct tcb *tcp, long);
+extern void print_timeval32_pair(struct tcb *tcp, long);
+extern void print_itimerval32(struct tcb *tcp, long);
#endif
extern void printuid(const char *, const unsigned int);
extern void print_sigset_addr_len(struct tcb *, long, long);
extern void printsignal(int);
extern void tprint_iov(struct tcb *, unsigned long, unsigned long, int decode_iov);
extern void tprint_iov_upto(struct tcb *, unsigned long, unsigned long, int decode_iov, unsigned long);
-extern void tprint_open_modes(int);
-extern const char *sprint_open_modes(int);
-extern void print_seccomp_filter(struct tcb *tcp, unsigned long);
-
-extern int block_ioctl(struct tcb *, const unsigned int, long);
-extern int evdev_ioctl(struct tcb *, const unsigned int, long);
+extern void tprint_open_modes(unsigned int);
+extern const char *sprint_open_modes(unsigned int);
+extern void print_seccomp_filter(struct tcb *, unsigned long);
+extern void print_seccomp_fprog(struct tcb *, unsigned long, unsigned short);
+
+struct strace_statfs;
+extern void print_struct_statfs(struct tcb *tcp, long);
+extern void print_struct_statfs64(struct tcb *tcp, long, unsigned long);
+
+extern int file_ioctl(struct tcb *, const unsigned int, long);
+extern int fs_x_ioctl(struct tcb *, const unsigned int, long);
+extern int hdio_ioctl(struct tcb *, const unsigned int, long);
extern int loop_ioctl(struct tcb *, const unsigned int, long);
extern int mtd_ioctl(struct tcb *, const unsigned int, long);
extern int ptp_ioctl(struct tcb *, const unsigned int, long);
-extern int rtc_ioctl(struct tcb *, const unsigned int, long);
extern int scsi_ioctl(struct tcb *, const unsigned int, long);
extern int sock_ioctl(struct tcb *, const unsigned int, long);
extern int term_ioctl(struct tcb *, const unsigned int, long);
extern int ubi_ioctl(struct tcb *, const unsigned int, long);
-extern int v4l2_ioctl(struct tcb *, const unsigned int, long);
+extern int uffdio_ioctl(struct tcb *, const unsigned int, long);
extern int tv_nz(const struct timeval *);
extern int tv_cmp(const struct timeval *, const struct timeval *);
extern void unwind_capture_stacktrace(struct tcb* tcp);
#endif
+static inline int
+printflags(const struct xlat *x, unsigned int flags, const char *dflt)
+{
+ return printflags64(x, flags, dflt);
+}
+
+static inline int
+printflags_long(const struct xlat *x, unsigned long flags, const char *dflt)
+{
+ return printflags64(x, flags, dflt);
+}
+
+static inline void
+printxval64(const struct xlat *x, const uint64_t val, const char *dflt)
+{
+ printxvals(val, dflt, x, NULL);
+}
+
+static inline void
+printxval(const struct xlat *x, const unsigned int val, const char *dflt)
+{
+ printxvals(val, dflt, x, NULL);
+}
+
+static inline void
+printxval_long(const struct xlat *x, const unsigned long val, const char *dflt)
+{
+ printxvals(val, dflt, x, NULL);
+}
+
/* Strace log generation machinery.
*
* printing_tcp: tcb which has incomplete line being printed right now.
# define widen_to_long(v) ((long)(v))
#endif
+/*
+ * Widen without sign-extension a signed integer type to unsigned long long.
+ */
+#define widen_to_ull(v) \
+ (sizeof(v) == sizeof(int) ? (unsigned long long) (unsigned int) (v) : \
+ sizeof(v) == sizeof(long) ? (unsigned long long) (unsigned long) (v) : \
+ (unsigned long long) (v))
+
extern const struct_sysent sysent0[];
extern const char *const errnoent0[];
extern const char *const signalent0[];
extern unsigned nioctlents;
extern unsigned num_quals;
-#if SUPPORTED_PERSONALITIES > 1
-# include "printers.h"
-extern const struct_printers *printers;
-# define MPERS_PRINTER_NAME(printer_name) printers->printer_name
-#else
-# include "native_printer_decls.h"
-# define MPERS_PRINTER_NAME(printer_name) printer_name
-#endif
+#ifdef IN_MPERS_BOOTSTRAP
+/* Transform multi-line MPERS_PRINTER_DECL statements to one-liners. */
+# define MPERS_PRINTER_DECL(type, name, ...) MPERS_PRINTER_DECL(type, name, __VA_ARGS__)
+#else /* !IN_MPERS_BOOTSTRAP */
+# if SUPPORTED_PERSONALITIES > 1
+# include "printers.h"
+# else
+# include "native_printer_decls.h"
+# endif
+# define MPERS_PRINTER_DECL(type, name, ...) type MPERS_FUNC_NAME(name)(__VA_ARGS__)
+#endif /* !IN_MPERS_BOOTSTRAP */
/*
* If you need non-NULL sysent[scno].sys_func and sysent[scno].sys_name
#define MPERS_FUNC_NAME_(prefix, name) MPERS_FUNC_NAME__(prefix, name)
#define MPERS_FUNC_NAME(name) MPERS_FUNC_NAME_(MPERS_PREFIX, name)
-#define SYS_FUNC_NAME(syscall_name) MPERS_FUNC_NAME(sys_ ## syscall_name)
+#define SYS_FUNC_NAME(syscall_name) MPERS_FUNC_NAME(syscall_name)
-#define SYS_FUNC(syscall_name) int SYS_FUNC_NAME(syscall_name)(struct tcb *tcp)
+#define SYS_FUNC(syscall_name) int SYS_FUNC_NAME(sys_ ## syscall_name)(struct tcb *tcp)
+
+/*
+ * 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.
+ */
+#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 MPERS_PRINTER_DECL(type, name) type MPERS_FUNC_NAME(name)
+#define PRI__d64 PRI__64"d"
+#define PRI__u64 PRI__64"u"
+#define PRI__x64 PRI__64"x"
projects / strace / blobdiff