unsigned int code;
} struct_ioctlent;
+struct fault_opts {
+ uint16_t first;
+ uint16_t step;
+ uint16_t err;
+};
+
#if defined LINUX_MIPSN32 || defined X32
# define HAVE_STRUCT_TCB_EXT_ARG 1
#else
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"
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);
+/**
+ * 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(long scno);
extern const char *err_name(unsigned long err);
ATTRIBUTE_FORMAT((printf, 2, 0));
extern void printaddr_ull(unsigned long long);
-extern void printxvals(const uint64_t, const char *, const struct xlat *, ...)
+extern int printxvals(const uint64_t, const char *, const struct xlat *, ...)
ATTRIBUTE_SENTINEL;
-extern void printxval_searchn(const struct xlat *xlat, size_t xlat_size,
+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 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 void printuid(const char *, const unsigned int);
extern void print_sigset_addr_len(struct tcb *, long, long);
extern const char *sprintsigmask_n(const char *, const void *, unsigned int);
extern void print_ifindex(unsigned int);
+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);
+
extern int dm_ioctl(struct tcb *, const unsigned int, long);
extern int file_ioctl(struct tcb *, const unsigned int, long);
extern int fs_x_ioctl(struct tcb *, const unsigned int, long);
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
+static inline int
printxval_long(const struct xlat *x, const unsigned long val, const char *dflt)
{
- printxvals(val, dflt, x, NULL);
+ return printxvals(val, dflt, x, NULL);
}
+#ifdef ALPHA
+typedef struct {
+ int tv_sec, tv_usec;
+} timeval32_t;
+
+extern void print_timeval32_t(const timeval32_t *);
+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
+
/* Strace log generation machinery.
*
* printing_tcp: tcb which has incomplete line being printed right now.
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. */
projects / strace / blobdiff