* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#ifndef STRACE_DEFS_H
+#define STRACE_DEFS_H
+
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <features.h>
-#ifdef HAVE_STDBOOL_H
-# include <stdbool.h>
-#endif
+#include <stdbool.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
-#ifdef STDC_HEADERS
-# include <stddef.h>
-#endif
+#include <stddef.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <sys/time.h>
-#include <sys/syscall.h>
+#include <asm/unistd.h>
+#include "kernel_types.h"
#include "mpers_type.h"
#include "gcc_compat.h"
extern char *stpcpy(char *dst, const char *src);
#endif
-#ifndef offsetof
-# define offsetof(type, member) \
- (((char *) &(((type *) NULL)->member)) - ((char *) (type *) NULL))
+#ifndef offsetofend
+# define offsetofend(type, member) \
+ (offsetof(type, member) + sizeof(((type *)NULL)->member))
#endif
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]) + MUST_BE_ARRAY(a))
/* macros */
#ifndef MAX
# define ERESTART_RESTARTBLOCK 516
#endif
-#if defined(SPARC) || defined(SPARC64)
-# define PERSONALITY0_WORDSIZE 4
-# 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
-
-#ifdef X86_64
+#if defined X86_64
# define SUPPORTED_PERSONALITIES 3
-# define PERSONALITY0_WORDSIZE 8
-# define PERSONALITY1_WORDSIZE 4
-# define PERSONALITY2_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
-# 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
-
-#ifdef X32
-# define SUPPORTED_PERSONALITIES 2
-# define PERSONALITY0_WORDSIZE 4
-# 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 ARM
-/* one personality */
-#endif
-
-#ifdef AARCH64
-/* The existing ARM personality, then AArch64 */
-# 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 POWERPC64
+# define PERSONALITY2_WORDSIZE 4
+# define PERSONALITY2_KLONGSIZE PERSONALITY0_KLONGSIZE
+#elif defined AARCH64 \
+ || defined POWERPC64 \
+ || defined RISCV \
+ || defined SPARC64 \
+ || defined TILE \
+ || defined X32
# 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
-# define SUPPORTED_PERSONALITIES 2
-# define PERSONALITY0_WORDSIZE 8
-# define PERSONALITY1_WORDSIZE 4
-# 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
+#else
# define SUPPORTED_PERSONALITIES 1
#endif
-#ifndef DEFAULT_PERSONALITY
+
+#if defined TILE && defined __tilepro__
+# define DEFAULT_PERSONALITY 1
+#else
# define DEFAULT_PERSONALITY 0
#endif
-#ifndef PERSONALITY0_WORDSIZE
-# define PERSONALITY0_WORDSIZE SIZEOF_LONG
-#endif
-#ifndef PERSONALITY0_INCLUDE_PRINTERS_DECLS
-# define PERSONALITY0_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
-#endif
-#ifndef PERSONALITY0_INCLUDE_PRINTERS_DEFS
-# define PERSONALITY0_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
+#define PERSONALITY0_WORDSIZE SIZEOF_LONG
+#define PERSONALITY0_KLONGSIZE SIZEOF_KERNEL_LONG_T
+#define PERSONALITY0_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
+#define PERSONALITY0_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
+
+#if SUPPORTED_PERSONALITIES > 1
+# define PERSONALITY1_WORDSIZE 4
+# define PERSONALITY1_KLONGSIZE PERSONALITY1_WORDSIZE
#endif
-#ifndef PERSONALITY1_INCLUDE_PRINTERS_DECLS
+#if SUPPORTED_PERSONALITIES > 1 && defined HAVE_M32_MPERS
+# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
+# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
+# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
+# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
+#else
# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
-#endif
-#ifndef PERSONALITY1_INCLUDE_PRINTERS_DEFS
# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
+# define PERSONALITY1_INCLUDE_FUNCS "empty.h"
#endif
-#ifndef PERSONALITY2_INCLUDE_PRINTERS_DECLS
+#if SUPPORTED_PERSONALITIES > 2 && defined 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"
+#else
# define PERSONALITY2_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
-#endif
-#ifndef PERSONALITY2_INCLUDE_PRINTERS_DEFS
# define PERSONALITY2_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
-#endif
-
-#ifndef PERSONALITY1_INCLUDE_FUNCS
-# define PERSONALITY1_INCLUDE_FUNCS "empty.h"
-#endif
-#ifndef PERSONALITY2_INCLUDE_FUNCS
# define PERSONALITY2_INCLUDE_FUNCS "empty.h"
#endif
unsigned int code;
} struct_ioctlent;
-#if defined LINUX_MIPSN32 || defined X32
-# define HAVE_STRUCT_TCB_EXT_ARG 1
-#else
-# define HAVE_STRUCT_TCB_EXT_ARG 0
-#endif
+struct fault_opts {
+ uint16_t first;
+ uint16_t step;
+ uint16_t err;
+};
/* Trace Control Block */
struct tcb {
int flags; /* See below for TCB_ values */
int pid; /* If 0, this tcb is free */
int qual_flg; /* qual_flags[scno] or DEFAULT_QUAL_FLAGS + RAW */
- int u_error; /* Error code */
- long scno; /* System call number */
- long u_arg[MAX_ARGS]; /* System call arguments */
-#if HAVE_STRUCT_TCB_EXT_ARG
- long long ext_arg[MAX_ARGS];
- long long u_lrval; /* long long return value */
-#endif
- long u_rval; /* Return value */
+ unsigned long u_error; /* Error code */
+ kernel_ulong_t scno; /* System call number */
+ kernel_ulong_t u_arg[MAX_ARGS]; /* System call arguments */
+ kernel_long_t u_rval; /* Return value */
#if SUPPORTED_PERSONALITIES > 1
unsigned int currpers; /* Personality at the time of scno update */
#endif
int curcol; /* Output column for this process */
FILE *outf; /* Output file for this process */
const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */
+ void *_priv_data; /* Private data for syscall decoding functions */
+ void (*_free_priv_data)(void *); /* Callback for freeing priv_data */
const struct_sysent *s_ent; /* sysent[scno] or dummy struct for bad scno */
const struct_sysent *s_prev_ent; /* for "resuming interrupted SYSCALL" msg */
+ struct fault_opts *fault_vec[SUPPORTED_PERSONALITIES];
struct timeval stime; /* System time usage as of last process wait */
struct timeval dtime; /* Delta for system time usage */
struct timeval etime; /* Syscall entry time */
#define TCB_ATTACHED 0x08 /* We attached to it already */
#define TCB_REPRINT 0x10 /* We should reprint this syscall on exit */
#define TCB_FILTERED 0x20 /* This system call has been filtered out */
+#define TCB_FAULT_INJ 0x40 /* A syscall fault has been injected */
+#define TCB_HIDE_LOG 0x80 /* We should hide everything (until execve) */
+#define TCB_SKIP_DETACH_ON_FIRST_EXEC 0x100 /* -b execve should skip detach on first execve */
/* qualifier flags */
#define QUAL_TRACE 0x001 /* this system call should be traced */
#define QUAL_ABBREV 0x002 /* abbreviate the structures of this syscall */
#define QUAL_VERBOSE 0x004 /* decode the structures of this syscall */
#define QUAL_RAW 0x008 /* print all args in hex for this syscall */
-#define QUAL_SIGNAL 0x010 /* report events with this signal */
-#define QUAL_READ 0x020 /* dump data read on this file descriptor */
-#define QUAL_WRITE 0x040 /* dump data written to this file descriptor */
-typedef uint8_t qualbits_t;
+#define QUAL_FAULT 0x010 /* fail this system call on purpose */
+#define QUAL_SIGNAL 0x100 /* report events with this signal */
+#define QUAL_READ 0x200 /* dump data read from this file descriptor */
+#define QUAL_WRITE 0x400 /* dump data written to this file descriptor */
#define DEFAULT_QUAL_FLAGS (QUAL_TRACE | QUAL_ABBREV | QUAL_VERBOSE)
#define verbose(tcp) ((tcp)->qual_flg & QUAL_VERBOSE)
#define abbrev(tcp) ((tcp)->qual_flg & QUAL_ABBREV)
#define filtered(tcp) ((tcp)->flags & TCB_FILTERED)
+#define hide_log(tcp) ((tcp)->flags & TCB_HIDE_LOG)
#include "xlat.h"
#define RVAL_HEX 001 /* hex format */
#define RVAL_OCTAL 002 /* octal format */
#define RVAL_UDECIMAL 003 /* unsigned decimal format */
-#if HAVE_STRUCT_TCB_EXT_ARG
-# if 0 /* unused so far */
-# define RVAL_LDECIMAL 004 /* long decimal format */
-# define RVAL_LHEX 005 /* long hex format */
-# define RVAL_LOCTAL 006 /* long octal format */
-# endif
-# define RVAL_LUDECIMAL 007 /* long unsigned decimal format */
-#endif /* HAVE_STRUCT_TCB_EXT_ARG */
#define RVAL_FD 010 /* file descriptor */
-#define RVAL_MASK 017 /* mask for these values */
+#define RVAL_MASK 013 /* mask for these values */
#define RVAL_STR 020 /* Print `auxstr' field after return val */
#define RVAL_NONE 040 /* Print nothing */
#define STACKTRACE_INVALIDATE_CACHE 0400 /* Trigger proc/maps cache updating */
#define STACKTRACE_CAPTURE_ON_ENTER 01000 /* Capture stacktrace on "entering" stage */
#define TRACE_INDIRECT_SUBCALL 02000 /* Syscall is an indirect socket/ipc subcall. */
+#define COMPAT_SYSCALL_TYPES 04000 /* A compat syscall that uses compat types. */
#define IOCTL_NUMBER_UNKNOWN 0
#define IOCTL_NUMBER_HANDLED 1
|| defined(BFIN) \
|| defined(M68K) \
|| defined(MICROBLAZE) \
+ || defined(RISCV) \
|| defined(S390) \
|| defined(SH) || defined(SH64) \
|| defined(SPARC) || defined(SPARC64) \
extern unsigned int qflag;
extern bool not_failing_only;
extern unsigned int show_fd_path;
-extern bool hide_log_until_execve;
/* are we filtering traces based on paths? */
extern const char **paths_selected;
#define tracing_paths (paths_selected != NULL)
extern void set_sortby(const char *);
extern void set_overhead(int);
-extern void qualify(const char *);
extern void print_pc(struct tcb *);
extern int trace_syscall(struct tcb *);
extern void count_syscall(struct tcb *, const struct timeval *);
extern void clear_regs(void);
extern void get_regs(pid_t pid);
extern int get_scno(struct tcb *tcp);
-extern const char *syscall_name(long scno);
+/**
+ * Convert syscall number to syscall name.
+ *
+ * @param scno Syscall number.
+ * @return String literal corresponding to the syscall number in case latter
+ * is valid; NULL otherwise.
+ */
+extern const char *syscall_name(kernel_ulong_t scno);
+extern const char *err_name(unsigned long err);
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 *);
+extern void *get_tcb_priv_data(const struct tcb *);
+extern int set_tcb_priv_data(struct tcb *, void *priv_data,
+ void (*free_priv_data)(void *));
+extern void free_tcb_priv_data(struct tcb *);
+
+static inline unsigned long get_tcb_priv_ulong(const struct tcb *tcp)
+{
+ return (unsigned long) get_tcb_priv_data(tcp);
+}
+
+static inline int set_tcb_priv_ulong(struct tcb *tcp, unsigned long val)
+{
+ return set_tcb_priv_data(tcp, (void *) val, 0);
+}
+
+extern int
+umoven(struct tcb *tcp, kernel_ulong_t addr, unsigned int len, void *laddr);
#define umove(pid, addr, objp) \
umoven((pid), (addr), sizeof(*(objp)), (void *) (objp))
-extern int umoven_or_printaddr(struct tcb *, long, unsigned int, void *);
+
+extern int
+umoven_or_printaddr(struct tcb *tcp, kernel_ulong_t addr,
+ unsigned int len, void *laddr);
#define umove_or_printaddr(pid, addr, objp) \
umoven_or_printaddr((pid), (addr), sizeof(*(objp)), (void *) (objp))
-extern int umovestr(struct tcb *, long, unsigned int, char *);
-extern int upeek(int pid, long, long *);
+
+extern int
+umoven_or_printaddr_ignore_syserror(struct tcb *tcp, kernel_ulong_t addr,
+ unsigned int len, void *laddr);
+
+extern int
+umovestr(struct tcb *tcp, kernel_ulong_t addr, unsigned int len, char *laddr);
+
+extern int upeek(int pid, unsigned long, kernel_ulong_t *);
+extern int upoke(int pid, unsigned long, kernel_ulong_t);
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,
+ kernel_ulong_t start_addr,
+ size_t nmemb,
+ void *elem_buf,
+ size_t elem_size,
+ int (*umoven_func)(struct tcb *,
+ kernel_ulong_t,
unsigned int,
void *),
- bool (*const print_func)(struct tcb *,
+ bool (*print_func)(struct tcb *,
void *elem_buf,
size_t elem_size,
void *opaque_data),
- void *const opaque_data);
+ void *opaque_data);
#if defined ALPHA || defined IA64 || defined MIPS \
|| defined SH || defined SPARC || defined SPARC64
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_ex(const char *str, char **endptr,
+ unsigned int max_val, const char *accepted_ending);
extern int string_to_uint(const char *str);
+static inline int
+string_to_uint_upto(const char *const str, unsigned int max_val)
+{
+ return string_to_uint_ex(str, NULL, max_val, NULL);
+}
extern int next_set_bit(const void *bit_array, unsigned cur_bit, unsigned size_bits);
-#define QUOTE_0_TERMINATED 0x01
-#define QUOTE_OMIT_LEADING_TRAILING_QUOTES 0x02
+#define QUOTE_0_TERMINATED 0x01
+#define QUOTE_OMIT_LEADING_TRAILING_QUOTES 0x02
+#define QUOTE_OMIT_TRAILING_0 0x08
extern int string_quote(const char *, char *, unsigned int, unsigned int);
extern int print_quoted_string(const char *, unsigned int, unsigned int);
* b refers to the higher numbered u_arg
*/
#ifdef WORDS_BIGENDIAN
-# define LONG_LONG(a,b) \
- ((long long)((unsigned long long)(unsigned)(b) | ((unsigned long long)(a)<<32)))
+# define ULONG_LONG(a,b) \
+ ((unsigned long long)(unsigned)(b) | ((unsigned long long)(a)<<32))
#else
-# define LONG_LONG(a,b) \
- ((long long)((unsigned long long)(unsigned)(a) | ((unsigned long long)(b)<<32)))
+# define ULONG_LONG(a,b) \
+ ((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 uint64_t, const char *, const struct xlat *, ...)
+extern void printaddr(kernel_ulong_t addr);
+extern int printxvals(const uint64_t, const char *, const struct xlat *, ...)
ATTRIBUTE_SENTINEL;
+extern int printxval_searchn(const struct xlat *xlat, size_t xlat_size,
+ uint64_t val, const char *dflt);
+#define printxval_search(xlat__, val__, dflt__) \
+ printxval_searchn(xlat__, ARRAY_SIZE(xlat__), val__, dflt__)
extern int printargs(struct tcb *);
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 decode_msghdr(struct tcb *, long, unsigned long);
-extern void decode_mmsgvec(struct tcb *, unsigned long, unsigned int, bool);
-extern void dumpiov_in_msghdr(struct tcb *, long, unsigned long);
-extern void dumpiov_in_mmsghdr(struct tcb *, 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 bool printnum_int(struct tcb *, long, const char *)
- ATTRIBUTE_FORMAT((printf, 3, 0));
-extern bool printnum_int64(struct tcb *, long, const char *)
- ATTRIBUTE_FORMAT((printf, 3, 0));
+extern void print_symbolic_mode_t(unsigned int);
+extern void print_numeric_umode_t(unsigned short);
+extern void print_numeric_long_umask(unsigned long);
+
+extern void
+dumpiov_in_msghdr(struct tcb *, kernel_ulong_t addr, kernel_ulong_t data_size);
+
+extern void
+dumpiov_in_mmsghdr(struct tcb *, kernel_ulong_t addr);
+
+extern void
+dumpiov_upto(struct tcb *, int len, kernel_ulong_t addr, kernel_ulong_t data_size);
+
+extern void
+dumpstr(struct tcb *, kernel_ulong_t addr, int len);
+
+extern void
+printstr_ex(struct tcb *, kernel_ulong_t addr, kernel_ulong_t len,
+ unsigned int user_style);
+
+#define DECL_PRINTNUM(name) \
+extern bool \
+printnum_ ## name(struct tcb *, kernel_ulong_t addr, const char *fmt) \
+ ATTRIBUTE_FORMAT((printf, 3, 0))
+DECL_PRINTNUM(short);
+DECL_PRINTNUM(int);
+DECL_PRINTNUM(int64);
+#undef DECL_PRINTNUM
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
-extern bool printnum_long_int(struct tcb *, long, const char *, const char *)
+extern bool
+printnum_long_int(struct tcb *, kernel_ulong_t addr,
+ const char *fmt_long, const char *fmt_int)
ATTRIBUTE_FORMAT((printf, 3, 0))
ATTRIBUTE_FORMAT((printf, 4, 0));
# define printnum_slong(tcp, addr) \
printnum_int((tcp), (addr), "%#x")
#endif
-extern bool printpair_int(struct tcb *, long, const char *)
- ATTRIBUTE_FORMAT((printf, 3, 0));
-extern bool printpair_int64(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 DECL_PRINTPAIR(name) \
+extern bool \
+printpair_ ## name(struct tcb *, kernel_ulong_t addr, const char *fmt) \
+ ATTRIBUTE_FORMAT((printf, 3, 0))
+DECL_PRINTPAIR(int);
+DECL_PRINTPAIR(int64);
+#undef DECL_PRINTPAIR
+
+extern void
+printpathn(struct tcb *, kernel_ulong_t addr, unsigned int n);
+
+extern void
+printpath(struct tcb *, kernel_ulong_t 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 enum sock_proto);
extern bool print_sockaddr_by_inode_cached(const unsigned long);
extern void print_dirfd(struct tcb *, int);
-extern int decode_sockaddr(struct tcb *, long, int);
-#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 int
+decode_sockaddr(struct tcb *, kernel_ulong_t addr, int addrlen);
+
extern void printuid(const char *, const unsigned int);
-extern void print_sigset_addr_len(struct tcb *, long, long);
+
+extern void
+print_sigset_addr_len(struct tcb *, kernel_ulong_t addr, kernel_ulong_t len);
+
extern const char *sprintsigmask_n(const char *, const void *, unsigned int);
#define tprintsigmask_addr(prefix, mask) \
tprints(sprintsigmask_n((prefix), (mask), sizeof(mask)))
extern void printsignal(int);
-extern void tprint_iov(struct tcb *, unsigned long, unsigned long, enum iov_decode);
-extern void tprint_iov_upto(struct tcb *, unsigned long, unsigned long,
- enum iov_decode, unsigned long);
-extern void decode_netlink(struct tcb *, unsigned long, unsigned long);
+
+extern void
+tprint_iov_upto(struct tcb *, kernel_ulong_t len, kernel_ulong_t addr,
+ enum iov_decode, kernel_ulong_t data_size);
+
+extern void
+decode_netlink(struct tcb *, kernel_ulong_t addr, kernel_ulong_t len);
+
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);
+
+extern void
+print_seccomp_filter(struct tcb *, kernel_ulong_t addr);
+
+extern void
+print_seccomp_fprog(struct tcb *, kernel_ulong_t addr, unsigned short len);
+
+struct strace_stat;
+extern void print_struct_stat(struct tcb *tcp, const struct strace_stat *const st);
struct strace_statfs;
-extern void print_struct_statfs(struct tcb *tcp, long);
-extern void print_struct_statfs64(struct tcb *tcp, long, unsigned long);
+
+extern void
+print_struct_statfs(struct tcb *, kernel_ulong_t addr);
+
+extern void
+print_struct_statfs64(struct tcb *, kernel_ulong_t addr, kernel_ulong_t size);
extern void print_ifindex(unsigned int);
-extern int file_ioctl(struct tcb *, const unsigned int, long);
-extern int fs_x_ioctl(struct tcb *, const unsigned int, long);
-extern int loop_ioctl(struct tcb *, const unsigned int, long);
-extern int ptp_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 uffdio_ioctl(struct tcb *, const unsigned int, long);
+struct number_set;
+extern struct number_set read_set;
+extern struct number_set write_set;
+extern struct number_set signal_set;
+
+extern bool is_number_in_set(unsigned int number, const struct number_set *);
+extern void qualify(const char *);
+extern unsigned int qual_flags(const unsigned int);
+
+#define DECL_IOCTL(name) \
+extern int \
+name ## _ioctl(struct tcb *, unsigned int request, kernel_ulong_t arg)
+DECL_IOCTL(dm);
+DECL_IOCTL(file);
+DECL_IOCTL(fs_x);
+DECL_IOCTL(loop);
+DECL_IOCTL(ptp);
+DECL_IOCTL(scsi);
+DECL_IOCTL(sock);
+DECL_IOCTL(term);
+DECL_IOCTL(ubi);
+DECL_IOCTL(uffdio);
+#undef DECL_IOCTL
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)
+static inline void
+printstrn(struct tcb *tcp, kernel_ulong_t addr, kernel_ulong_t len)
{
- return printflags64(x, flags, dflt);
+ printstr_ex(tcp, addr, len, 0);
+}
+
+static inline void
+printstr(struct tcb *tcp, kernel_ulong_t addr)
+{
+ printstr_ex(tcp, addr, -1, QUOTE_0_TERMINATED);
}
static inline int
-printflags_long(const struct xlat *x, unsigned long flags, const char *dflt)
+printflags(const struct xlat *x, unsigned int flags, const char *dflt)
{
return printflags64(x, flags, dflt);
}
-static inline void
+static inline int
printxval64(const struct xlat *x, const uint64_t val, const char *dflt)
{
- printxvals(val, dflt, x, NULL);
+ return printxvals(val, dflt, x, NULL);
}
-static inline void
+static inline int
printxval(const struct xlat *x, const unsigned int val, const char *dflt)
{
- printxvals(val, dflt, x, NULL);
+ return printxvals(val, dflt, x, NULL);
}
static inline void
-printxval_long(const struct xlat *x, const unsigned long val, const char *dflt)
+tprint_iov(struct tcb *tcp, kernel_ulong_t len, kernel_ulong_t addr,
+ enum iov_decode decode_iov)
{
- printxvals(val, dflt, x, NULL);
+ tprint_iov_upto(tcp, len, addr, decode_iov, -1);
}
+#ifdef ALPHA
+typedef struct {
+ int tv_sec, tv_usec;
+} timeval32_t;
+
+extern void print_timeval32_t(const timeval32_t *);
+extern void printrusage32(struct tcb *, kernel_ulong_t);
+extern const char *sprint_timeval32(struct tcb *tcp, kernel_ulong_t);
+extern void print_timeval32(struct tcb *tcp, kernel_ulong_t);
+extern void print_timeval32_pair(struct tcb *tcp, kernel_ulong_t);
+extern void print_itimerval32(struct tcb *tcp, kernel_ulong_t);
+#endif
+
+#ifdef HAVE_STRUCT_USER_DESC
+extern void print_user_desc(struct tcb *, kernel_ulong_t addr);
+#endif
+
/* Strace log generation machinery.
*
* printing_tcp: tcb which has incomplete line being printed right now.
#if SUPPORTED_PERSONALITIES == 1
# define current_wordsize PERSONALITY0_WORDSIZE
+# define current_klongsize PERSONALITY0_KLONGSIZE
#else
# if SUPPORTED_PERSONALITIES == 2 && PERSONALITY0_WORDSIZE == PERSONALITY1_WORDSIZE
# define current_wordsize PERSONALITY0_WORDSIZE
# else
extern unsigned current_wordsize;
# endif
+# if SUPPORTED_PERSONALITIES == 2 && PERSONALITY0_KLONGSIZE == PERSONALITY1_KLONGSIZE
+# define current_klongsize PERSONALITY0_KLONGSIZE
+# else
+extern unsigned current_klongsize;
+# endif
#endif
/* In many, many places we play fast and loose and use
# define widen_to_long(v) ((long)(v))
#endif
+#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
+# define widen_to_ulong(v) \
+ (current_wordsize == 4 ? (unsigned long) (uint32_t) (v) : \
+ (unsigned long) (v))
+#else
+# define widen_to_ulong(v) ((unsigned long)(v))
+#endif
+
+/*
+ * Cast a pointer or a pointer-sized integer to kernel_ulong_t.
+ */
+#define ptr_to_kulong(v) ((kernel_ulong_t) (unsigned long) (v))
+
/*
- * Widen without sign-extension a signed integer type to unsigned long long.
+ * Zero-extend a signed integer type to unsigned long long.
*/
-#define widen_to_ull(v) \
- (sizeof(v) == sizeof(int) ? (unsigned long long) (unsigned int) (v) : \
+#define zero_extend_signed_to_ull(v) \
+ (sizeof(v) == sizeof(char) ? (unsigned long long) (unsigned char) (v) : \
+ sizeof(v) == sizeof(short) ? (unsigned long long) (unsigned short) (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))
+/*
+ * Sign-extend an unsigned integer type to long long.
+ */
+#define sign_extend_unsigned_to_ll(v) \
+ (sizeof(v) == sizeof(char) ? (long long) (char) (v) : \
+ sizeof(v) == sizeof(short) ? (long long) (short) (v) : \
+ sizeof(v) == sizeof(int) ? (long long) (int) (v) : \
+ sizeof(v) == sizeof(long) ? (long long) (long) (v) : \
+ (long long) (v))
+
extern const struct_sysent sysent0[];
extern const char *const errnoent0[];
extern const char *const signalent0[];
extern const struct_ioctlent ioctlent0[];
-extern qualbits_t *qual_vec[SUPPORTED_PERSONALITIES];
-#define qual_flags (qual_vec[current_personality])
#if SUPPORTED_PERSONALITIES > 1
extern const struct_sysent *sysent;
extern unsigned nerrnos;
extern unsigned nsignals;
extern unsigned nioctlents;
-extern unsigned num_quals;
+
+extern const unsigned int nsyscall_vec[SUPPORTED_PERSONALITIES];
+extern const struct_sysent *const sysent_vec[SUPPORTED_PERSONALITIES];
+extern struct fault_opts *fault_vec[SUPPORTED_PERSONALITIES];
#ifdef IN_MPERS_BOOTSTRAP
/* Transform multi-line MPERS_PRINTER_DECL statements to one-liners. */
# define MPERS_PRINTER_DECL(type, name, ...) type MPERS_FUNC_NAME(name)(__VA_ARGS__)
#endif /* !IN_MPERS_BOOTSTRAP */
+/* Checks that sysent[scno] is not out of range. */
+static inline bool
+scno_in_range(kernel_ulong_t scno)
+{
+ return scno < nsyscalls;
+}
+
/*
- * If you need non-NULL sysent[scno].sys_func and sysent[scno].sys_name
+ * Checks whether scno is not out of range,
+ * its corresponding sysent[scno].sys_func is non-NULL,
+ * and its sysent[scno].sys_flags has no TRACE_INDIRECT_SUBCALL flag set.
*/
-#define SCNO_IS_VALID(scno) \
- ((unsigned long)(scno) < nsyscalls && sysent[scno].sys_func)
-
-/* Only ensures that sysent[scno] isn't out of range */
-#define SCNO_IN_RANGE(scno) \
- ((unsigned long)(scno) < nsyscalls)
+static inline bool
+scno_is_valid(kernel_ulong_t scno)
+{
+ return scno_in_range(scno)
+ && sysent[scno].sys_func
+ && !(sysent[scno].sys_flags & TRACE_INDIRECT_SUBCALL);
+}
#define MPERS_FUNC_NAME__(prefix, name) prefix ## name
#define MPERS_FUNC_NAME_(prefix, name) MPERS_FUNC_NAME__(prefix, name)
#define SYS_FUNC(syscall_name) int SYS_FUNC_NAME(sys_ ## syscall_name)(struct tcb *tcp)
+#if SIZEOF_KERNEL_LONG_T > SIZEOF_LONG
+# define PRI_kl "ll"
+#else
+# define PRI_kl "l"
+#endif
+
+#define PRI_kld PRI_kl"d"
+#define PRI_klu PRI_kl"u"
+#define PRI_klx PRI_kl"x"
+
/*
* 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
#define PRI__d64 PRI__64"d"
#define PRI__u64 PRI__64"u"
#define PRI__x64 PRI__64"x"
+
+#endif /* !STRACE_DEFS_H */