X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=defs.h;h=b2a7f4d8222a20f67d6f7778847e9c322d2c7028;hb=43c8a5d0e8a04b45e014a1cc6371a7beb2856387;hp=8833dfc88c10af853b9023c0a5cc336695b415b4;hpb=09a1a5a2caeb6277e1cd9c697064ee1f0b3e7589;p=strace diff --git a/defs.h b/defs.h index 8833dfc8..b2a7f4d8 100644 --- a/defs.h +++ b/defs.h @@ -55,6 +55,7 @@ #include #include "mpers_type.h" +#include "gcc_compat.h" #ifndef HAVE_STRERROR const char *strerror(int); @@ -68,48 +69,6 @@ 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)) @@ -198,6 +157,7 @@ extern char *stpcpy(char *dst, const char *src); # 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 @@ -211,11 +171,13 @@ extern char *stpcpy(char *dst, const char *src); # 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 @@ -227,6 +189,7 @@ extern char *stpcpy(char *dst, const char *src); # 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 @@ -237,13 +200,13 @@ extern char *stpcpy(char *dst, const char *src); #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 PERSONALITY0_INCLUDE_FUNCS "m32_funcs.h" -# define PERSONALITY0_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" -# define PERSONALITY0_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" +# 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 @@ -255,6 +218,7 @@ extern char *stpcpy(char *dst, const char *src); # 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 @@ -269,6 +233,7 @@ extern char *stpcpy(char *dst, const char *src); # 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 @@ -402,15 +367,12 @@ typedef uint8_t qualbits_t; #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[]; @@ -449,6 +411,10 @@ extern const struct xlat whence_codes[]; #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) \ @@ -495,12 +461,12 @@ extern unsigned os_release; #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; @@ -535,16 +501,35 @@ extern void get_regs(pid_t pid); 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_ulong_or_printaddr(struct tcb *, long, unsigned 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 @@ -558,8 +543,8 @@ extern void pathtrace_select(const char *); 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); @@ -568,36 +553,40 @@ extern int next_set_bit(const void *bit_array, unsigned cur_bit, unsigned size_b #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 *) @@ -639,24 +628,20 @@ 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 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); +#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); #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); @@ -666,21 +651,26 @@ extern const char *sprintsigmask_n(const char *, const void *, unsigned int); 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 *); @@ -699,6 +689,36 @@ extern void unwind_print_stacktrace(struct tcb* tcp); 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. @@ -751,6 +771,14 @@ extern unsigned current_wordsize; # 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[]; @@ -776,14 +804,17 @@ extern unsigned nsignals; 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 @@ -799,8 +830,26 @@ extern const struct_printers *printers; #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(sys_ ## syscall_name)(struct tcb *tcp) -#define SYS_FUNC(syscall_name) int SYS_FUNC_NAME(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"