#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>
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
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
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 */
+ unsigned long u_error; /* Error code */
long scno; /* System call number */
long u_arg[MAX_ARGS]; /* System call arguments */
#if HAVE_STRUCT_TCB_EXT_ARG
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);
extern bool is_erestart(struct tcb *);
extern void temporarily_clear_syserror(struct tcb *);
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
+umoven_or_printaddr_ignore_syserror(struct tcb *tcp, const long addr,
+ const unsigned int len, void *our_addr);
extern int umovestr(struct tcb *, long, unsigned int, char *);
extern int upeek(int pid, long, long *);
+extern int upoke(int pid, long, long);
extern bool
print_array(struct tcb *tcp,
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);
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_ull(unsigned long long);
+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 long long getarg_ll(struct tcb *tcp, int argn);
+extern unsigned long long getarg_ull(struct tcb *tcp, int argn);
extern int printargs(struct tcb *);
extern int printargs_u(struct tcb *);
extern int printargs_d(struct tcb *);
#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 void printstr_ex(struct tcb *, long addr, long len,
+ unsigned int user_style);
extern bool printnum_short(struct tcb *, long, const char *)
ATTRIBUTE_FORMAT((printf, 3, 0));
extern bool printnum_int(struct tcb *, long, const char *)
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);
extern int loop_ioctl(struct tcb *, const unsigned int, long);
extern void unwind_capture_stacktrace(struct tcb* tcp);
#endif
+static inline void
+printaddr(unsigned long addr)
+{
+ printaddr_ull(addr);
+}
+
+static inline void
+printstr(struct tcb *tcp, long addr, long len)
+{
+ printstr_ex(tcp, addr, len, 0);
+}
+
static inline int
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
+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.
# 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
+
/*
* Zero-extend a signed integer type to unsigned long long.
*/
#define zero_extend_signed_to_ull(v) \
- (sizeof(v) == sizeof(short) ? (unsigned long long) (unsigned short) (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(short) ? (long long) (short) (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 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