Annotation of qemu/linux-user/strace.c, revision 1.1.1.6

1.1       root        1: #include <stdio.h>
                      2: #include <errno.h>
                      3: #include <sys/ipc.h>
                      4: #include <sys/msg.h>
                      5: #include <sys/sem.h>
                      6: #include <sys/shm.h>
                      7: #include <sys/select.h>
                      8: #include <sys/types.h>
1.1.1.3   root        9: #include <sys/mount.h>
                     10: #include <sys/mman.h>
1.1       root       11: #include <unistd.h>
1.1.1.5   root       12: #include <sched.h>
1.1       root       13: #include "qemu.h"
                     14: 
                     15: int do_strace=0;
                     16: 
                     17: struct syscallname {
                     18:     int nr;
1.1.1.2   root       19:     const char *name;
                     20:     const char *format;
                     21:     void (*call)(const struct syscallname *,
1.1       root       22:                  abi_long, abi_long, abi_long,
                     23:                  abi_long, abi_long, abi_long);
1.1.1.2   root       24:     void (*result)(const struct syscallname *, abi_long);
1.1       root       25: };
                     26: 
1.1.1.3   root       27: #ifdef __GNUC__
                     28: /*
                     29:  * It is possible that target doesn't have syscall that uses
                     30:  * following flags but we don't want the compiler to warn
                     31:  * us about them being unused.  Same applies to utility print
                     32:  * functions.  It is ok to keep them while not used.
                     33:  */
                     34: #define UNUSED __attribute__ ((unused))
                     35: #else
                     36: #define UNUSED
                     37: #endif
                     38: 
                     39: /*
                     40:  * Structure used to translate flag values into strings.  This is
                     41:  * similar that is in the actual strace tool.
                     42:  */
                     43: struct flags {
                     44:     abi_long    f_value;  /* flag */
                     45:     const char  *f_string; /* stringified flag */
                     46: };
                     47: 
                     48: /* common flags for all architectures */
                     49: #define FLAG_GENERIC(name) { name, #name }
                     50: /* target specific flags (syscall_defs.h has TARGET_<flag>) */
                     51: #define FLAG_TARGET(name)  { TARGET_ ## name, #name }
                     52: /* end of flags array */
                     53: #define FLAG_END           { 0, NULL }
                     54: 
                     55: UNUSED static const char *get_comma(int);
                     56: UNUSED static void print_pointer(abi_long, int);
                     57: UNUSED static void print_flags(const struct flags *, abi_long, int);
                     58: UNUSED static void print_at_dirfd(abi_long, int);
                     59: UNUSED static void print_file_mode(abi_long, int);
                     60: UNUSED static void print_open_flags(abi_long, int);
                     61: UNUSED static void print_syscall_prologue(const struct syscallname *);
                     62: UNUSED static void print_syscall_epilogue(const struct syscallname *);
                     63: UNUSED static void print_string(abi_long, int);
                     64: UNUSED static void print_raw_param(const char *, abi_long, int);
                     65: UNUSED static void print_timeval(abi_ulong, int);
                     66: UNUSED static void print_number(abi_long, int);
1.1.1.5   root       67: UNUSED static void print_signal(abi_ulong, int);
1.1.1.3   root       68: 
1.1       root       69: /*
                     70:  * Utility functions
                     71:  */
                     72: static void
                     73: print_ipc_cmd(int cmd)
                     74: {
                     75: #define output_cmd(val) \
                     76: if( cmd == val ) { \
                     77:     gemu_log(#val); \
                     78:     return; \
                     79: }
                     80: 
                     81:     cmd &= 0xff;
                     82: 
                     83:     /* General IPC commands */
                     84:     output_cmd( IPC_RMID );
                     85:     output_cmd( IPC_SET );
                     86:     output_cmd( IPC_STAT );
                     87:     output_cmd( IPC_INFO );
                     88:     /* msgctl() commands */
                     89:     #ifdef __USER_MISC
                     90:     output_cmd( MSG_STAT );
                     91:     output_cmd( MSG_INFO );
                     92:     #endif
                     93:     /* shmctl() commands */
                     94:     output_cmd( SHM_LOCK );
                     95:     output_cmd( SHM_UNLOCK );
                     96:     output_cmd( SHM_STAT );
                     97:     output_cmd( SHM_INFO );
                     98:     /* semctl() commands */
                     99:     output_cmd( GETPID );
                    100:     output_cmd( GETVAL );
                    101:     output_cmd( GETALL );
                    102:     output_cmd( GETNCNT );
                    103:     output_cmd( GETZCNT );
                    104:     output_cmd( SETVAL );
                    105:     output_cmd( SETALL );
                    106:     output_cmd( SEM_STAT );
                    107:     output_cmd( SEM_INFO );
                    108:     output_cmd( IPC_RMID );
                    109:     output_cmd( IPC_RMID );
                    110:     output_cmd( IPC_RMID );
                    111:     output_cmd( IPC_RMID );
                    112:     output_cmd( IPC_RMID );
                    113:     output_cmd( IPC_RMID );
                    114:     output_cmd( IPC_RMID );
                    115:     output_cmd( IPC_RMID );
                    116:     output_cmd( IPC_RMID );
                    117: 
                    118:     /* Some value we don't recognize */
                    119:     gemu_log("%d",cmd);
                    120: }
                    121: 
1.1.1.5   root      122: static void
                    123: print_signal(abi_ulong arg, int last)
                    124: {
                    125:     const char *signal_name = NULL;
                    126:     switch(arg) {
                    127:     case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
                    128:     case TARGET_SIGINT: signal_name = "SIGINT"; break;
                    129:     case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
                    130:     case TARGET_SIGILL: signal_name = "SIGILL"; break;
                    131:     case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
                    132:     case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
                    133:     case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
                    134:     case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
                    135:     case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
                    136:     case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
                    137:     case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
                    138:     case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
                    139:     case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
                    140:     case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
                    141:     case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
                    142:     case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
                    143:     case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
                    144:     case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
                    145:     }
                    146:     if (signal_name == NULL) {
                    147:         print_raw_param("%ld", arg, 1);
                    148:         return;
                    149:     }
                    150:     gemu_log("%s%s", signal_name, get_comma(last));
                    151: }
                    152: 
1.1       root      153: #ifdef TARGET_NR__newselect
                    154: static void
                    155: print_fdset(int n, abi_ulong target_fds_addr)
                    156: {
                    157:     int i;
                    158: 
                    159:     gemu_log("[");
                    160:     if( target_fds_addr ) {
                    161:         abi_long *target_fds;
                    162: 
                    163:         target_fds = lock_user(VERIFY_READ,
                    164:                                target_fds_addr,
                    165:                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
                    166:                                1);
                    167: 
                    168:         if (!target_fds)
                    169:             return;
                    170: 
                    171:         for (i=n; i>=0; i--) {
1.1.1.6 ! root      172:             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
1.1       root      173:                 gemu_log("%d,", i );
                    174:             }
                    175:         unlock_user(target_fds, target_fds_addr, 0);
                    176:     }
                    177:     gemu_log("]");
                    178: }
                    179: #endif
                    180: 
                    181: /*
                    182:  * Sysycall specific output functions
                    183:  */
                    184: 
                    185: /* select */
                    186: #ifdef TARGET_NR__newselect
                    187: static long newselect_arg1 = 0;
                    188: static long newselect_arg2 = 0;
                    189: static long newselect_arg3 = 0;
                    190: static long newselect_arg4 = 0;
                    191: static long newselect_arg5 = 0;
                    192: 
                    193: static void
1.1.1.2   root      194: print_newselect(const struct syscallname *name,
1.1       root      195:                 abi_long arg1, abi_long arg2, abi_long arg3,
                    196:                 abi_long arg4, abi_long arg5, abi_long arg6)
                    197: {
                    198:     gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1);
                    199:     print_fdset(arg1, arg2);
                    200:     gemu_log(",");
                    201:     print_fdset(arg1, arg3);
                    202:     gemu_log(",");
                    203:     print_fdset(arg1, arg4);
                    204:     gemu_log(",");
1.1.1.3   root      205:     print_timeval(arg5, 1);
1.1       root      206:     gemu_log(")");
                    207: 
                    208:     /* save for use in the return output function below */
                    209:     newselect_arg1=arg1;
                    210:     newselect_arg2=arg2;
                    211:     newselect_arg3=arg3;
                    212:     newselect_arg4=arg4;
                    213:     newselect_arg5=arg5;
                    214: }
                    215: #endif
                    216: 
1.1.1.2   root      217: #ifdef TARGET_NR_semctl
1.1       root      218: static void
1.1.1.2   root      219: print_semctl(const struct syscallname *name,
1.1       root      220:              abi_long arg1, abi_long arg2, abi_long arg3,
                    221:              abi_long arg4, abi_long arg5, abi_long arg6)
                    222: {
                    223:     gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2);
                    224:     print_ipc_cmd(arg3);
                    225:     gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
                    226: }
1.1.1.2   root      227: #endif
1.1       root      228: 
                    229: static void
1.1.1.2   root      230: print_execve(const struct syscallname *name,
1.1       root      231:              abi_long arg1, abi_long arg2, abi_long arg3,
                    232:              abi_long arg4, abi_long arg5, abi_long arg6)
                    233: {
                    234:     abi_ulong arg_ptr_addr;
                    235:     char *s;
                    236: 
                    237:     if (!(s = lock_user_string(arg1)))
                    238:         return;
                    239:     gemu_log("%s(\"%s\",{", name->name, s);
                    240:     unlock_user(s, arg1, 0);
                    241: 
                    242:     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
1.1.1.2   root      243:         abi_ulong *arg_ptr, arg_addr;
1.1       root      244: 
                    245:        arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
                    246:         if (!arg_ptr)
                    247:             return;
1.1.1.6 ! root      248:     arg_addr = tswapal(*arg_ptr);
1.1       root      249:        unlock_user(arg_ptr, arg_ptr_addr, 0);
                    250:         if (!arg_addr)
                    251:             break;
                    252:         if ((s = lock_user_string(arg_addr))) {
                    253:             gemu_log("\"%s\",", s);
1.1.1.2   root      254:             unlock_user(s, arg_addr, 0);
1.1       root      255:         }
                    256:     }
                    257: 
                    258:     gemu_log("NULL})");
                    259: }
                    260: 
                    261: #ifdef TARGET_NR_ipc
                    262: static void
1.1.1.2   root      263: print_ipc(const struct syscallname *name,
1.1       root      264:           abi_long arg1, abi_long arg2, abi_long arg3,
                    265:           abi_long arg4, abi_long arg5, abi_long arg6)
                    266: {
                    267:     switch(arg1) {
                    268:     case IPCOP_semctl:
1.1.1.2   root      269:         gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2);
                    270:         print_ipc_cmd(arg3);
                    271:         gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
1.1       root      272:         break;
                    273:     default:
                    274:         gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")",
                    275:                  name->name, arg1, arg2, arg3, arg4);
                    276:     }
                    277: }
                    278: #endif
                    279: 
                    280: /*
                    281:  * Variants for the return value output function
                    282:  */
                    283: 
                    284: static void
1.1.1.2   root      285: print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
1.1       root      286: {
                    287: if( ret == -1 ) {
                    288:         gemu_log(" = -1 errno=%d (%s)\n", errno, target_strerror(errno));
                    289:     } else {
                    290:         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
                    291:     }
                    292: }
                    293: 
                    294: #if 0 /* currently unused */
                    295: static void
                    296: print_syscall_ret_raw(struct syscallname *name, abi_long ret)
                    297: {
                    298:         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
                    299: }
                    300: #endif
                    301: 
                    302: #ifdef TARGET_NR__newselect
                    303: static void
1.1.1.2   root      304: print_syscall_ret_newselect(const struct syscallname *name, abi_long ret)
1.1       root      305: {
                    306:     gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
                    307:     print_fdset(newselect_arg1,newselect_arg2);
                    308:     gemu_log(",");
                    309:     print_fdset(newselect_arg1,newselect_arg3);
                    310:     gemu_log(",");
                    311:     print_fdset(newselect_arg1,newselect_arg4);
                    312:     gemu_log(",");
1.1.1.3   root      313:     print_timeval(newselect_arg5, 1);
1.1       root      314:     gemu_log(")\n");
                    315: }
                    316: #endif
                    317: 
1.1.1.3   root      318: UNUSED static struct flags access_flags[] = {
                    319:     FLAG_GENERIC(F_OK),
                    320:     FLAG_GENERIC(R_OK),
                    321:     FLAG_GENERIC(W_OK),
                    322:     FLAG_GENERIC(X_OK),
                    323:     FLAG_END,
                    324: };
                    325: 
                    326: UNUSED static struct flags at_file_flags[] = {
                    327: #ifdef AT_EACCESS
                    328:     FLAG_GENERIC(AT_EACCESS),
                    329: #endif
                    330: #ifdef AT_SYMLINK_NOFOLLOW
                    331:     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
                    332: #endif
                    333:     FLAG_END,
                    334: };
                    335: 
                    336: UNUSED static struct flags unlinkat_flags[] = {
                    337: #ifdef AT_REMOVEDIR
                    338:     FLAG_GENERIC(AT_REMOVEDIR),
                    339: #endif
                    340:     FLAG_END,
                    341: };
                    342: 
                    343: UNUSED static struct flags mode_flags[] = {
                    344:     FLAG_GENERIC(S_IFSOCK),
                    345:     FLAG_GENERIC(S_IFLNK),
                    346:     FLAG_GENERIC(S_IFREG),
                    347:     FLAG_GENERIC(S_IFBLK),
                    348:     FLAG_GENERIC(S_IFDIR),
                    349:     FLAG_GENERIC(S_IFCHR),
                    350:     FLAG_GENERIC(S_IFIFO),
                    351:     FLAG_END,
                    352: };
                    353: 
                    354: UNUSED static struct flags open_access_flags[] = {
                    355:     FLAG_TARGET(O_RDONLY),
                    356:     FLAG_TARGET(O_WRONLY),
                    357:     FLAG_TARGET(O_RDWR),
                    358:     FLAG_END,
                    359: };
                    360: 
                    361: UNUSED static struct flags open_flags[] = {
                    362:     FLAG_TARGET(O_APPEND),
                    363:     FLAG_TARGET(O_CREAT),
                    364:     FLAG_TARGET(O_DIRECTORY),
                    365:     FLAG_TARGET(O_EXCL),
                    366:     FLAG_TARGET(O_LARGEFILE),
                    367:     FLAG_TARGET(O_NOCTTY),
                    368:     FLAG_TARGET(O_NOFOLLOW),
                    369:     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
                    370:     FLAG_TARGET(O_SYNC),
                    371:     FLAG_TARGET(O_TRUNC),
                    372: #ifdef O_DIRECT
                    373:     FLAG_TARGET(O_DIRECT),
                    374: #endif
                    375:     FLAG_END,
                    376: };
                    377: 
                    378: UNUSED static struct flags mount_flags[] = {
                    379: #ifdef MS_BIND
                    380:     FLAG_GENERIC(MS_BIND),
                    381: #endif
                    382: #ifdef MS_DIRSYNC
                    383:     FLAG_GENERIC(MS_DIRSYNC),
                    384: #endif
                    385:     FLAG_GENERIC(MS_MANDLOCK),
                    386: #ifdef MS_MOVE
                    387:     FLAG_GENERIC(MS_MOVE),
                    388: #endif
                    389:     FLAG_GENERIC(MS_NOATIME),
                    390:     FLAG_GENERIC(MS_NODEV),
                    391:     FLAG_GENERIC(MS_NODIRATIME),
                    392:     FLAG_GENERIC(MS_NOEXEC),
                    393:     FLAG_GENERIC(MS_NOSUID),
                    394:     FLAG_GENERIC(MS_RDONLY),
                    395: #ifdef MS_RELATIME
                    396:     FLAG_GENERIC(MS_RELATIME),
                    397: #endif
                    398:     FLAG_GENERIC(MS_REMOUNT),
                    399:     FLAG_GENERIC(MS_SYNCHRONOUS),
                    400:     FLAG_END,
                    401: };
                    402: 
                    403: UNUSED static struct flags umount2_flags[] = {
                    404: #ifdef MNT_FORCE
                    405:     FLAG_GENERIC(MNT_FORCE),
                    406: #endif
                    407: #ifdef MNT_DETACH
                    408:     FLAG_GENERIC(MNT_DETACH),
                    409: #endif
                    410: #ifdef MNT_EXPIRE
                    411:     FLAG_GENERIC(MNT_EXPIRE),
                    412: #endif
                    413:     FLAG_END,
                    414: };
                    415: 
                    416: UNUSED static struct flags mmap_prot_flags[] = {
                    417:     FLAG_GENERIC(PROT_NONE),
                    418:     FLAG_GENERIC(PROT_EXEC),
                    419:     FLAG_GENERIC(PROT_READ),
                    420:     FLAG_GENERIC(PROT_WRITE),
1.1.1.4   root      421:     FLAG_TARGET(PROT_SEM),
                    422:     FLAG_GENERIC(PROT_GROWSDOWN),
                    423:     FLAG_GENERIC(PROT_GROWSUP),
1.1.1.3   root      424:     FLAG_END,
                    425: };
                    426: 
                    427: UNUSED static struct flags mmap_flags[] = {
                    428:     FLAG_TARGET(MAP_SHARED),
                    429:     FLAG_TARGET(MAP_PRIVATE),
                    430:     FLAG_TARGET(MAP_ANONYMOUS),
                    431:     FLAG_TARGET(MAP_DENYWRITE),
                    432:     FLAG_TARGET(MAP_FIXED),
                    433:     FLAG_TARGET(MAP_GROWSDOWN),
1.1.1.5   root      434:     FLAG_TARGET(MAP_EXECUTABLE),
1.1.1.3   root      435: #ifdef MAP_LOCKED
                    436:     FLAG_TARGET(MAP_LOCKED),
                    437: #endif
                    438: #ifdef MAP_NONBLOCK
                    439:     FLAG_TARGET(MAP_NONBLOCK),
                    440: #endif
                    441:     FLAG_TARGET(MAP_NORESERVE),
                    442: #ifdef MAP_POPULATE
                    443:     FLAG_TARGET(MAP_POPULATE),
                    444: #endif
1.1.1.5   root      445: #ifdef TARGET_MAP_UNINITIALIZED
                    446:     FLAG_TARGET(MAP_UNINITIALIZED),
                    447: #endif
1.1.1.3   root      448:     FLAG_END,
                    449: };
                    450: 
                    451: UNUSED static struct flags fcntl_flags[] = {
                    452:     FLAG_TARGET(F_DUPFD),
                    453:     FLAG_TARGET(F_GETFD),
                    454:     FLAG_TARGET(F_SETFD),
                    455:     FLAG_TARGET(F_GETFL),
                    456:     FLAG_TARGET(F_SETFL),
                    457:     FLAG_TARGET(F_GETLK),
                    458:     FLAG_TARGET(F_SETLK),
                    459:     FLAG_TARGET(F_SETLKW),
                    460:     FLAG_END,
                    461: };
                    462: 
1.1.1.5   root      463: UNUSED static struct flags clone_flags[] = {
                    464:     FLAG_GENERIC(CLONE_VM),
                    465:     FLAG_GENERIC(CLONE_FS),
                    466:     FLAG_GENERIC(CLONE_FILES),
                    467:     FLAG_GENERIC(CLONE_SIGHAND),
                    468:     FLAG_GENERIC(CLONE_PTRACE),
                    469:     FLAG_GENERIC(CLONE_VFORK),
                    470:     FLAG_GENERIC(CLONE_PARENT),
                    471:     FLAG_GENERIC(CLONE_THREAD),
                    472:     FLAG_GENERIC(CLONE_NEWNS),
                    473:     FLAG_GENERIC(CLONE_SYSVSEM),
                    474:     FLAG_GENERIC(CLONE_SETTLS),
                    475:     FLAG_GENERIC(CLONE_PARENT_SETTID),
                    476:     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
                    477:     FLAG_GENERIC(CLONE_DETACHED),
                    478:     FLAG_GENERIC(CLONE_UNTRACED),
                    479:     FLAG_GENERIC(CLONE_CHILD_SETTID),
                    480: #if defined(CLONE_NEWUTS)
                    481:     FLAG_GENERIC(CLONE_NEWUTS),
                    482: #endif
                    483: #if defined(CLONE_NEWIPC)
                    484:     FLAG_GENERIC(CLONE_NEWIPC),
                    485: #endif
                    486: #if defined(CLONE_NEWUSER)
                    487:     FLAG_GENERIC(CLONE_NEWUSER),
                    488: #endif
                    489: #if defined(CLONE_NEWPID)
                    490:     FLAG_GENERIC(CLONE_NEWPID),
                    491: #endif
                    492: #if defined(CLONE_NEWNET)
                    493:     FLAG_GENERIC(CLONE_NEWNET),
                    494: #endif
                    495: #if defined(CLONE_IO)
                    496:     FLAG_GENERIC(CLONE_IO),
                    497: #endif
                    498:     FLAG_END,
                    499: };
                    500: 
1.1.1.3   root      501: /*
                    502:  * print_xxx utility functions.  These are used to print syscall
                    503:  * parameters in certain format.  All of these have parameter
                    504:  * named 'last'.  This parameter is used to add comma to output
                    505:  * when last == 0.
                    506:  */
                    507: 
                    508: static const char *
                    509: get_comma(int last)
                    510: {
                    511:     return ((last) ? "" : ",");
                    512: }
                    513: 
                    514: static void
1.1.1.5   root      515: print_flags(const struct flags *f, abi_long flags, int last)
1.1.1.3   root      516: {
                    517:     const char *sep = "";
                    518:     int n;
                    519: 
                    520:     if ((flags == 0) && (f->f_value == 0)) {
                    521:         gemu_log("%s%s", f->f_string, get_comma(last));
                    522:         return;
                    523:     }
                    524:     for (n = 0; f->f_string != NULL; f++) {
                    525:         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
                    526:             gemu_log("%s%s", sep, f->f_string);
                    527:             flags &= ~f->f_value;
                    528:             sep = "|";
                    529:             n++;
                    530:         }
                    531:     }
                    532: 
                    533:     if (n > 0) {
                    534:         /* print rest of the flags as numeric */
                    535:         if (flags != 0) {
1.1.1.5   root      536:             gemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1.1.1.3   root      537:         } else {
                    538:             gemu_log("%s", get_comma(last));
                    539:         }
                    540:     } else {
                    541:         /* no string version of flags found, print them in hex then */
1.1.1.5   root      542:         gemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1.1.1.3   root      543:     }
                    544: }
                    545: 
                    546: static void
1.1.1.5   root      547: print_at_dirfd(abi_long dirfd, int last)
1.1.1.3   root      548: {
                    549: #ifdef AT_FDCWD
                    550:     if (dirfd == AT_FDCWD) {
                    551:         gemu_log("AT_FDCWD%s", get_comma(last));
                    552:         return;
                    553:     }
                    554: #endif
1.1.1.5   root      555:     gemu_log("%d%s", (int)dirfd, get_comma(last));
1.1.1.3   root      556: }
                    557: 
                    558: static void
1.1.1.5   root      559: print_file_mode(abi_long mode, int last)
1.1.1.3   root      560: {
                    561:     const char *sep = "";
                    562:     const struct flags *m;
                    563: 
                    564:     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
                    565:         if ((m->f_value & mode) == m->f_value) {
                    566:             gemu_log("%s%s", m->f_string, sep);
                    567:             sep = "|";
                    568:             mode &= ~m->f_value;
                    569:             break;
                    570:         }
                    571:     }
                    572: 
                    573:     mode &= ~S_IFMT;
                    574:     /* print rest of the mode as octal */
                    575:     if (mode != 0)
1.1.1.5   root      576:         gemu_log("%s%#o", sep, (unsigned int)mode);
1.1.1.3   root      577: 
                    578:     gemu_log("%s", get_comma(last));
                    579: }
                    580: 
                    581: static void
1.1.1.5   root      582: print_open_flags(abi_long flags, int last)
1.1.1.3   root      583: {
                    584:     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
                    585:     flags &= ~TARGET_O_ACCMODE;
                    586:     if (flags == 0) {
                    587:         gemu_log("%s", get_comma(last));
                    588:         return;
                    589:     }
                    590:     gemu_log("|");
                    591:     print_flags(open_flags, flags, last);
                    592: }
                    593: 
                    594: static void
                    595: print_syscall_prologue(const struct syscallname *sc)
                    596: {
                    597:     gemu_log("%s(", sc->name);
                    598: }
                    599: 
                    600: /*ARGSUSED*/
                    601: static void
                    602: print_syscall_epilogue(const struct syscallname *sc)
                    603: {
                    604:     (void)sc;
                    605:     gemu_log(")");
                    606: }
                    607: 
                    608: static void
                    609: print_string(abi_long addr, int last)
                    610: {
                    611:     char *s;
                    612: 
                    613:     if ((s = lock_user_string(addr)) != NULL) {
                    614:         gemu_log("\"%s\"%s", s, get_comma(last));
                    615:         unlock_user(s, addr, 0);
                    616:     } else {
                    617:         /* can't get string out of it, so print it as pointer */
                    618:         print_pointer(addr, last);
                    619:     }
                    620: }
                    621: 
                    622: /*
                    623:  * Prints out raw parameter using given format.  Caller needs
                    624:  * to do byte swapping if needed.
                    625:  */
                    626: static void
                    627: print_raw_param(const char *fmt, abi_long param, int last)
                    628: {
                    629:     char format[64];
                    630: 
                    631:     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
                    632:     gemu_log(format, param);
                    633: }
                    634: 
                    635: static void
                    636: print_pointer(abi_long p, int last)
                    637: {
                    638:     if (p == 0)
                    639:         gemu_log("NULL%s", get_comma(last));
                    640:     else
                    641:         gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
                    642: }
                    643: 
                    644: /*
                    645:  * Reads 32-bit (int) number from guest address space from
                    646:  * address 'addr' and prints it.
                    647:  */
                    648: static void
                    649: print_number(abi_long addr, int last)
                    650: {
                    651:     if (addr == 0) {
                    652:         gemu_log("NULL%s", get_comma(last));
                    653:     } else {
                    654:         int num;
                    655: 
                    656:         get_user_s32(num, addr);
                    657:         gemu_log("[%d]%s", num, get_comma(last));
                    658:     }
                    659: }
                    660: 
                    661: static void
                    662: print_timeval(abi_ulong tv_addr, int last)
                    663: {
                    664:     if( tv_addr ) {
                    665:         struct target_timeval *tv;
                    666: 
                    667:         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
                    668:         if (!tv)
                    669:             return;
                    670:         gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
                    671:             tv->tv_sec, tv->tv_usec, get_comma(last));
                    672:         unlock_user(tv, tv_addr, 0);
                    673:     } else
                    674:         gemu_log("NULL%s", get_comma(last));
                    675: }
                    676: 
                    677: #undef UNUSED
                    678: 
                    679: #ifdef TARGET_NR_accept
                    680: static void
                    681: print_accept(const struct syscallname *name,
                    682:     abi_long arg0, abi_long arg1, abi_long arg2,
                    683:     abi_long arg3, abi_long arg4, abi_long arg5)
                    684: {
                    685:     print_syscall_prologue(name);
1.1.1.5   root      686:     print_raw_param("%d", arg0, 0);
1.1.1.3   root      687:     print_pointer(arg1, 0);
                    688:     print_number(arg2, 1);
                    689:     print_syscall_epilogue(name);
                    690: }
                    691: #endif
                    692: 
                    693: #ifdef TARGET_NR_access
                    694: static void
                    695: print_access(const struct syscallname *name,
                    696:     abi_long arg0, abi_long arg1, abi_long arg2,
                    697:     abi_long arg3, abi_long arg4, abi_long arg5)
                    698: {
                    699:     print_syscall_prologue(name);
                    700:     print_string(arg0, 0);
                    701:     print_flags(access_flags, arg1, 1);
                    702:     print_syscall_epilogue(name);
                    703: }
                    704: #endif
                    705: 
                    706: #ifdef TARGET_NR_brk
                    707: static void
                    708: print_brk(const struct syscallname *name,
                    709:     abi_long arg0, abi_long arg1, abi_long arg2,
                    710:     abi_long arg3, abi_long arg4, abi_long arg5)
                    711: {
                    712:     print_syscall_prologue(name);
                    713:     print_pointer(arg0, 1);
                    714:     print_syscall_epilogue(name);
                    715: }
                    716: #endif
                    717: 
                    718: #ifdef TARGET_NR_chdir
                    719: static void
                    720: print_chdir(const struct syscallname *name,
                    721:     abi_long arg0, abi_long arg1, abi_long arg2,
                    722:     abi_long arg3, abi_long arg4, abi_long arg5)
                    723: {
                    724:     print_syscall_prologue(name);
                    725:     print_string(arg0, 1);
                    726:     print_syscall_epilogue(name);
                    727: }
                    728: #endif
                    729: 
                    730: #ifdef TARGET_NR_chmod
                    731: static void
                    732: print_chmod(const struct syscallname *name,
                    733:     abi_long arg0, abi_long arg1, abi_long arg2,
                    734:     abi_long arg3, abi_long arg4, abi_long arg5)
                    735: {
                    736:     print_syscall_prologue(name);
                    737:     print_string(arg0, 0);
                    738:     print_file_mode(arg1, 1);
                    739:     print_syscall_epilogue(name);
                    740: }
                    741: #endif
                    742: 
1.1.1.5   root      743: #ifdef TARGET_NR_clone
                    744: static void
                    745: print_clone(const struct syscallname *name,
                    746:     abi_long arg0, abi_long arg1, abi_long arg2,
                    747:     abi_long arg3, abi_long arg4, abi_long arg5)
                    748: {
                    749:     print_syscall_prologue(name);
                    750: #if defined(TARGET_M68K)
                    751:     print_flags(clone_flags, arg0, 0);
                    752:     print_raw_param("newsp=0x" TARGET_ABI_FMT_lx, arg1, 1);
                    753: #elif defined(TARGET_SH4) || defined(TARGET_ALPHA)
                    754:     print_flags(clone_flags, arg0, 0);
                    755:     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, arg1, 0);
                    756:     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, arg2, 0);
                    757:     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, arg3, 0);
                    758:     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, arg4, 1);
                    759: #elif defined(TARGET_CRIS)
                    760:     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, arg0, 0);
                    761:     print_flags(clone_flags, arg1, 0);
                    762:     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, arg2, 0);
                    763:     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, arg3, 0);
                    764:     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, arg4, 1);
                    765: #else
                    766:     print_flags(clone_flags, arg0, 0);
                    767:     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, arg1, 0);
                    768:     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, arg2, 0);
                    769:     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, arg3, 0);
                    770:     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, arg4, 1);
                    771: #endif
                    772:     print_syscall_epilogue(name);
                    773: }
                    774: #endif
                    775: 
1.1.1.3   root      776: #ifdef TARGET_NR_creat
                    777: static void
                    778: print_creat(const struct syscallname *name,
                    779:     abi_long arg0, abi_long arg1, abi_long arg2,
                    780:     abi_long arg3, abi_long arg4, abi_long arg5)
                    781: {
                    782:     print_syscall_prologue(name);
                    783:     print_string(arg0, 0);
                    784:     print_file_mode(arg1, 1);
                    785:     print_syscall_epilogue(name);
                    786: }
                    787: #endif
                    788: 
                    789: #ifdef TARGET_NR_execv
                    790: static void
                    791: print_execv(const struct syscallname *name,
                    792:     abi_long arg0, abi_long arg1, abi_long arg2,
                    793:     abi_long arg3, abi_long arg4, abi_long arg5)
                    794: {
                    795:     print_syscall_prologue(name);
                    796:     print_string(arg0, 0);
1.1.1.5   root      797:     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
1.1.1.3   root      798:     print_syscall_epilogue(name);
                    799: }
                    800: #endif
                    801: 
                    802: #ifdef TARGET_NR_faccessat
                    803: static void
                    804: print_faccessat(const struct syscallname *name,
                    805:     abi_long arg0, abi_long arg1, abi_long arg2,
                    806:     abi_long arg3, abi_long arg4, abi_long arg5)
                    807: {
                    808:     print_syscall_prologue(name);
                    809:     print_at_dirfd(arg0, 0);
                    810:     print_string(arg1, 0);
                    811:     print_flags(access_flags, arg2, 0);
                    812:     print_flags(at_file_flags, arg3, 1);
                    813:     print_syscall_epilogue(name);
                    814: }
                    815: #endif
                    816: 
                    817: #ifdef TARGET_NR_fchmodat
                    818: static void
                    819: print_fchmodat(const struct syscallname *name,
                    820:     abi_long arg0, abi_long arg1, abi_long arg2,
                    821:     abi_long arg3, abi_long arg4, abi_long arg5)
                    822: {
                    823:     print_syscall_prologue(name);
                    824:     print_at_dirfd(arg0, 0);
                    825:     print_string(arg1, 0);
                    826:     print_file_mode(arg2, 0);
                    827:     print_flags(at_file_flags, arg3, 1);
                    828:     print_syscall_epilogue(name);
                    829: }
                    830: #endif
                    831: 
                    832: #ifdef TARGET_NR_fchownat
                    833: static void
                    834: print_fchownat(const struct syscallname *name,
                    835:     abi_long arg0, abi_long arg1, abi_long arg2,
                    836:     abi_long arg3, abi_long arg4, abi_long arg5)
                    837: {
                    838:     print_syscall_prologue(name);
                    839:     print_at_dirfd(arg0, 0);
                    840:     print_string(arg1, 0);
1.1.1.5   root      841:     print_raw_param("%d", arg2, 0);
                    842:     print_raw_param("%d", arg3, 0);
1.1.1.3   root      843:     print_flags(at_file_flags, arg4, 1);
                    844:     print_syscall_epilogue(name);
                    845: }
                    846: #endif
                    847: 
                    848: #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
                    849: static void
                    850: print_fcntl(const struct syscallname *name,
                    851:     abi_long arg0, abi_long arg1, abi_long arg2,
                    852:     abi_long arg3, abi_long arg4, abi_long arg5)
                    853: {
                    854:     print_syscall_prologue(name);
1.1.1.5   root      855:     print_raw_param("%d", arg0, 0);
1.1.1.3   root      856:     print_flags(fcntl_flags, arg1, 0);
                    857:     /*
                    858:      * TODO: check flags and print following argument only
                    859:      *       when needed.
                    860:      */
                    861:     print_pointer(arg2, 1);
                    862:     print_syscall_epilogue(name);
                    863: }
                    864: #define print_fcntl64   print_fcntl
                    865: #endif
                    866: 
                    867: 
                    868: #ifdef TARGET_NR_futimesat
                    869: static void
                    870: print_futimesat(const struct syscallname *name,
                    871:     abi_long arg0, abi_long arg1, abi_long arg2,
                    872:     abi_long arg3, abi_long arg4, abi_long arg5)
                    873: {
                    874:     print_syscall_prologue(name);
                    875:     print_at_dirfd(arg0, 0);
                    876:     print_string(arg1, 0);
                    877:     print_timeval(arg2, 0);
                    878:     print_timeval(arg2 + sizeof (struct target_timeval), 1);
                    879:     print_syscall_epilogue(name);
                    880: }
                    881: #endif
                    882: 
                    883: #ifdef TARGET_NR_link
                    884: static void
                    885: print_link(const struct syscallname *name,
                    886:     abi_long arg0, abi_long arg1, abi_long arg2,
                    887:     abi_long arg3, abi_long arg4, abi_long arg5)
                    888: {
                    889:     print_syscall_prologue(name);
                    890:     print_string(arg0, 0);
                    891:     print_string(arg1, 1);
                    892:     print_syscall_epilogue(name);
                    893: }
                    894: #endif
                    895: 
                    896: #ifdef TARGET_NR_linkat
                    897: static void
                    898: print_linkat(const struct syscallname *name,
                    899:     abi_long arg0, abi_long arg1, abi_long arg2,
                    900:     abi_long arg3, abi_long arg4, abi_long arg5)
                    901: {
                    902:     print_syscall_prologue(name);
                    903:     print_at_dirfd(arg0, 0);
                    904:     print_string(arg1, 0);
                    905:     print_at_dirfd(arg2, 0);
                    906:     print_string(arg3, 0);
                    907:     print_flags(at_file_flags, arg4, 1);
                    908:     print_syscall_epilogue(name);
                    909: }
                    910: #endif
                    911: 
1.1.1.5   root      912: #ifdef TARGET_NR__llseek
                    913: static void
                    914: print__llseek(const struct syscallname *name,
                    915:     abi_long arg0, abi_long arg1, abi_long arg2,
                    916:     abi_long arg3, abi_long arg4, abi_long arg5)
                    917: {
                    918:     const char *whence = "UNKNOWN";
                    919:     print_syscall_prologue(name);
                    920:     print_raw_param("%d", arg0, 0);
                    921:     print_raw_param("%ld", arg1, 0);
                    922:     print_raw_param("%ld", arg2, 0);
                    923:     print_pointer(arg3, 0);
                    924:     switch(arg4) {
                    925:     case SEEK_SET: whence = "SEEK_SET"; break;
                    926:     case SEEK_CUR: whence = "SEEK_CUR"; break;
                    927:     case SEEK_END: whence = "SEEK_END"; break;
                    928:     }
                    929:     gemu_log("%s",whence);
                    930:     print_syscall_epilogue(name);
                    931: }
                    932: #endif
                    933: 
1.1.1.3   root      934: #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
                    935:     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
                    936: static void
                    937: print_stat(const struct syscallname *name,
                    938:     abi_long arg0, abi_long arg1, abi_long arg2,
                    939:     abi_long arg3, abi_long arg4, abi_long arg5)
                    940: {
                    941:     print_syscall_prologue(name);
                    942:     print_string(arg0, 0);
                    943:     print_pointer(arg1, 1);
                    944:     print_syscall_epilogue(name);
                    945: }
                    946: #define print_lstat     print_stat
                    947: #define print_stat64   print_stat
                    948: #define print_lstat64   print_stat
                    949: #endif
                    950: 
                    951: #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
                    952: static void
                    953: print_fstat(const struct syscallname *name,
                    954:     abi_long arg0, abi_long arg1, abi_long arg2,
                    955:     abi_long arg3, abi_long arg4, abi_long arg5)
                    956: {
                    957:     print_syscall_prologue(name);
1.1.1.5   root      958:     print_raw_param("%d", arg0, 0);
1.1.1.3   root      959:     print_pointer(arg1, 1);
                    960:     print_syscall_epilogue(name);
                    961: }
                    962: #define print_fstat64     print_fstat
                    963: #endif
                    964: 
                    965: #ifdef TARGET_NR_mkdir
                    966: static void
                    967: print_mkdir(const struct syscallname *name,
                    968:     abi_long arg0, abi_long arg1, abi_long arg2,
                    969:     abi_long arg3, abi_long arg4, abi_long arg5)
                    970: {
                    971:     print_syscall_prologue(name);
                    972:     print_string(arg0, 0);
                    973:     print_file_mode(arg1, 1);
                    974:     print_syscall_epilogue(name);
                    975: }
                    976: #endif
                    977: 
                    978: #ifdef TARGET_NR_mkdirat
                    979: static void
                    980: print_mkdirat(const struct syscallname *name,
                    981:     abi_long arg0, abi_long arg1, abi_long arg2,
                    982:     abi_long arg3, abi_long arg4, abi_long arg5)
                    983: {
                    984:     print_syscall_prologue(name);
                    985:     print_at_dirfd(arg0, 0);
                    986:     print_string(arg1, 0);
                    987:     print_file_mode(arg2, 1);
                    988:     print_syscall_epilogue(name);
                    989: }
                    990: #endif
                    991: 
1.1.1.5   root      992: #ifdef TARGET_NR_rmdir
                    993: static void
                    994: print_rmdir(const struct syscallname *name,
                    995:     abi_long arg0, abi_long arg1, abi_long arg2,
                    996:     abi_long arg3, abi_long arg4, abi_long arg5)
                    997: {
                    998:     print_syscall_prologue(name);
                    999:     print_string(arg0, 0);
                   1000:     print_syscall_epilogue(name);
                   1001: }
                   1002: #endif
                   1003: 
                   1004: #ifdef TARGET_NR_rt_sigaction
                   1005: static void
                   1006: print_rt_sigaction(const struct syscallname *name,
                   1007:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1008:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1009: {
                   1010:     print_syscall_prologue(name);
                   1011:     print_signal(arg0, 0);
                   1012:     print_pointer(arg1, 0);
                   1013:     print_pointer(arg2, 1);
                   1014:     print_syscall_epilogue(name);
                   1015: }
                   1016: #endif
                   1017: 
                   1018: #ifdef TARGET_NR_rt_sigprocmask
                   1019: static void
                   1020: print_rt_sigprocmask(const struct syscallname *name,
                   1021:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1022:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1023: {
                   1024:     const char *how = "UNKNOWN";
                   1025:     print_syscall_prologue(name);
                   1026:     switch(arg0) {
                   1027:     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
                   1028:     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
                   1029:     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
                   1030:     }
                   1031:     gemu_log("%s,",how);
                   1032:     print_pointer(arg1, 0);
                   1033:     print_pointer(arg2, 1);
                   1034:     print_syscall_epilogue(name);
                   1035: }
                   1036: #endif
                   1037: 
1.1.1.3   root     1038: #ifdef TARGET_NR_mknod
                   1039: static void
                   1040: print_mknod(const struct syscallname *name,
                   1041:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1042:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1043: {
1.1.1.5   root     1044:     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
1.1.1.3   root     1045: 
                   1046:     print_syscall_prologue(name);
                   1047:     print_string(arg0, 0);
                   1048:     print_file_mode(arg1, (hasdev == 0));
                   1049:     if (hasdev) {
1.1.1.5   root     1050:         print_raw_param("makedev(%d", major(arg2), 0);
                   1051:         print_raw_param("%d)", minor(arg2), 1);
1.1.1.3   root     1052:     }
                   1053:     print_syscall_epilogue(name);
                   1054: }
                   1055: #endif
                   1056: 
                   1057: #ifdef TARGET_NR_mknodat
                   1058: static void
                   1059: print_mknodat(const struct syscallname *name,
                   1060:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1061:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1062: {
1.1.1.5   root     1063:     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
1.1.1.3   root     1064: 
                   1065:     print_syscall_prologue(name);
                   1066:     print_at_dirfd(arg0, 0);
                   1067:     print_string(arg1, 0);
                   1068:     print_file_mode(arg2, (hasdev == 0));
                   1069:     if (hasdev) {
1.1.1.5   root     1070:         print_raw_param("makedev(%d", major(arg3), 0);
                   1071:         print_raw_param("%d)", minor(arg3), 1);
1.1.1.3   root     1072:     }
                   1073:     print_syscall_epilogue(name);
                   1074: }
                   1075: #endif
                   1076: 
                   1077: #ifdef TARGET_NR_mq_open
                   1078: static void
                   1079: print_mq_open(const struct syscallname *name,
                   1080:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1081:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1082: {
1.1.1.5   root     1083:     int is_creat = (arg1 & TARGET_O_CREAT);
1.1.1.3   root     1084: 
                   1085:     print_syscall_prologue(name);
                   1086:     print_string(arg0, 0);
                   1087:     print_open_flags(arg1, (is_creat == 0));
                   1088:     if (is_creat) {
                   1089:         print_file_mode(arg2, 0);
                   1090:         print_pointer(arg3, 1);
                   1091:     }
                   1092:     print_syscall_epilogue(name);
                   1093: }
                   1094: #endif
                   1095: 
                   1096: #ifdef TARGET_NR_open
                   1097: static void
                   1098: print_open(const struct syscallname *name,
                   1099:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1100:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1101: {
1.1.1.5   root     1102:     int is_creat = (arg1 & TARGET_O_CREAT);
1.1.1.3   root     1103: 
                   1104:     print_syscall_prologue(name);
                   1105:     print_string(arg0, 0);
                   1106:     print_open_flags(arg1, (is_creat == 0));
                   1107:     if (is_creat)
                   1108:         print_file_mode(arg2, 1);
                   1109:     print_syscall_epilogue(name);
                   1110: }
                   1111: #endif
                   1112: 
                   1113: #ifdef TARGET_NR_openat
                   1114: static void
                   1115: print_openat(const struct syscallname *name,
                   1116:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1117:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1118: {
1.1.1.5   root     1119:     int is_creat = (arg2 & TARGET_O_CREAT);
1.1.1.3   root     1120: 
                   1121:     print_syscall_prologue(name);
                   1122:     print_at_dirfd(arg0, 0);
                   1123:     print_string(arg1, 0);
                   1124:     print_open_flags(arg2, (is_creat == 0));
                   1125:     if (is_creat)
                   1126:         print_file_mode(arg3, 1);
                   1127:     print_syscall_epilogue(name);
                   1128: }
                   1129: #endif
                   1130: 
                   1131: #ifdef TARGET_NR_mq_unlink
                   1132: static void
                   1133: print_mq_unlink(const struct syscallname *name,
                   1134:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1135:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1136: {
                   1137:     print_syscall_prologue(name);
                   1138:     print_string(arg0, 1);
                   1139:     print_syscall_epilogue(name);
                   1140: }
                   1141: #endif
                   1142: 
                   1143: #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
                   1144: static void
                   1145: print_fstatat64(const struct syscallname *name,
                   1146:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1147:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1148: {
                   1149:     print_syscall_prologue(name);
                   1150:     print_at_dirfd(arg0, 0);
                   1151:     print_string(arg1, 0);
                   1152:     print_pointer(arg2, 0);
                   1153:     print_flags(at_file_flags, arg3, 1);
                   1154:     print_syscall_epilogue(name);
                   1155: }
                   1156: #define print_newfstatat    print_fstatat64
                   1157: #endif
                   1158: 
                   1159: #ifdef TARGET_NR_readlink
                   1160: static void
                   1161: print_readlink(const struct syscallname *name,
                   1162:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1163:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1164: {
                   1165:     print_syscall_prologue(name);
                   1166:     print_string(arg0, 0);
                   1167:     print_pointer(arg1, 0);
1.1.1.5   root     1168:     print_raw_param("%u", arg2, 1);
1.1.1.3   root     1169:     print_syscall_epilogue(name);
                   1170: }
                   1171: #endif
                   1172: 
                   1173: #ifdef TARGET_NR_readlinkat
                   1174: static void
                   1175: print_readlinkat(const struct syscallname *name,
                   1176:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1177:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1178: {
                   1179:     print_syscall_prologue(name);
                   1180:     print_at_dirfd(arg0, 0);
                   1181:     print_string(arg1, 0);
                   1182:     print_pointer(arg2, 0);
1.1.1.5   root     1183:     print_raw_param("%u", arg3, 1);
1.1.1.3   root     1184:     print_syscall_epilogue(name);
                   1185: }
                   1186: #endif
                   1187: 
                   1188: #ifdef TARGET_NR_rename
                   1189: static void
                   1190: print_rename(const struct syscallname *name,
                   1191:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1192:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1193: {
                   1194:     print_syscall_prologue(name);
                   1195:     print_string(arg0, 0);
                   1196:     print_string(arg1, 1);
                   1197:     print_syscall_epilogue(name);
                   1198: }
                   1199: #endif
                   1200: 
                   1201: #ifdef TARGET_NR_renameat
                   1202: static void
                   1203: print_renameat(const struct syscallname *name,
                   1204:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1205:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1206: {
                   1207:     print_syscall_prologue(name);
                   1208:     print_at_dirfd(arg0, 0);
                   1209:     print_string(arg1, 0);
                   1210:     print_at_dirfd(arg2, 0);
                   1211:     print_string(arg3, 1);
                   1212:     print_syscall_epilogue(name);
                   1213: }
                   1214: #endif
                   1215: 
                   1216: #ifdef TARGET_NR_statfs
                   1217: static void
                   1218: print_statfs(const struct syscallname *name,
                   1219:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1220:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1221: {
                   1222:     print_syscall_prologue(name);
                   1223:     print_string(arg0, 0);
                   1224:     print_pointer(arg1, 1);
                   1225:     print_syscall_epilogue(name);
                   1226: }
                   1227: #define print_statfs64  print_statfs
                   1228: #endif
                   1229: 
                   1230: #ifdef TARGET_NR_symlink
                   1231: static void
                   1232: print_symlink(const struct syscallname *name,
                   1233:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1234:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1235: {
                   1236:     print_syscall_prologue(name);
                   1237:     print_string(arg0, 0);
                   1238:     print_string(arg1, 1);
                   1239:     print_syscall_epilogue(name);
                   1240: }
                   1241: #endif
                   1242: 
                   1243: #ifdef TARGET_NR_symlinkat
                   1244: static void
                   1245: print_symlinkat(const struct syscallname *name,
                   1246:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1247:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1248: {
                   1249:     print_syscall_prologue(name);
                   1250:     print_string(arg0, 0);
                   1251:     print_at_dirfd(arg1, 0);
                   1252:     print_string(arg2, 1);
                   1253:     print_syscall_epilogue(name);
                   1254: }
                   1255: #endif
                   1256: 
                   1257: #ifdef TARGET_NR_mount
                   1258: static void
                   1259: print_mount(const struct syscallname *name,
                   1260:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1261:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1262: {
                   1263:     print_syscall_prologue(name);
                   1264:     print_string(arg0, 0);
                   1265:     print_string(arg1, 0);
                   1266:     print_string(arg2, 0);
                   1267:     print_flags(mount_flags, arg3, 0);
                   1268:     print_pointer(arg4, 1);
                   1269:     print_syscall_epilogue(name);
                   1270: }
                   1271: #endif
                   1272: 
                   1273: #ifdef TARGET_NR_umount
                   1274: static void
                   1275: print_umount(const struct syscallname *name,
                   1276:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1277:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1278: {
                   1279:     print_syscall_prologue(name);
                   1280:     print_string(arg0, 1);
                   1281:     print_syscall_epilogue(name);
                   1282: }
                   1283: #endif
                   1284: 
                   1285: #ifdef TARGET_NR_umount2
                   1286: static void
                   1287: print_umount2(const struct syscallname *name,
                   1288:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1289:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1290: {
                   1291:     print_syscall_prologue(name);
                   1292:     print_string(arg0, 0);
                   1293:     print_flags(umount2_flags, arg1, 1);
                   1294:     print_syscall_epilogue(name);
                   1295: }
                   1296: #endif
                   1297: 
                   1298: #ifdef TARGET_NR_unlink
                   1299: static void
                   1300: print_unlink(const struct syscallname *name,
                   1301:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1302:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1303: {
                   1304:     print_syscall_prologue(name);
                   1305:     print_string(arg0, 1);
                   1306:     print_syscall_epilogue(name);
                   1307: }
                   1308: #endif
                   1309: 
                   1310: #ifdef TARGET_NR_unlinkat
                   1311: static void
                   1312: print_unlinkat(const struct syscallname *name,
                   1313:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1314:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1315: {
                   1316:     print_syscall_prologue(name);
                   1317:     print_at_dirfd(arg0, 0);
                   1318:     print_string(arg1, 0);
                   1319:     print_flags(unlinkat_flags, arg2, 1);
                   1320:     print_syscall_epilogue(name);
                   1321: }
                   1322: #endif
                   1323: 
                   1324: #ifdef TARGET_NR_utime
                   1325: static void
                   1326: print_utime(const struct syscallname *name,
                   1327:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1328:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1329: {
                   1330:     print_syscall_prologue(name);
                   1331:     print_string(arg0, 0);
                   1332:     print_pointer(arg1, 1);
                   1333:     print_syscall_epilogue(name);
                   1334: }
                   1335: #endif
                   1336: 
                   1337: #ifdef TARGET_NR_utimes
                   1338: static void
                   1339: print_utimes(const struct syscallname *name,
                   1340:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1341:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1342: {
                   1343:     print_syscall_prologue(name);
                   1344:     print_string(arg0, 0);
                   1345:     print_pointer(arg1, 1);
                   1346:     print_syscall_epilogue(name);
                   1347: }
                   1348: #endif
                   1349: 
                   1350: #ifdef TARGET_NR_utimensat
                   1351: static void
                   1352: print_utimensat(const struct syscallname *name,
                   1353:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1354:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1355: {
                   1356:     print_syscall_prologue(name);
                   1357:     print_at_dirfd(arg0, 0);
                   1358:     print_string(arg1, 0);
                   1359:     print_pointer(arg2, 0);
                   1360:     print_flags(at_file_flags, arg3, 1);
                   1361:     print_syscall_epilogue(name);
                   1362: }
                   1363: #endif
                   1364: 
1.1.1.5   root     1365: #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
1.1.1.3   root     1366: static void
                   1367: print_mmap(const struct syscallname *name,
                   1368:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1369:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1370: {
                   1371:     print_syscall_prologue(name);
                   1372:     print_pointer(arg0, 0);
1.1.1.5   root     1373:     print_raw_param("%d", arg1, 0);
1.1.1.3   root     1374:     print_flags(mmap_prot_flags, arg2, 0);
                   1375:     print_flags(mmap_flags, arg3, 0);
1.1.1.5   root     1376:     print_raw_param("%d", arg4, 0);
                   1377:     print_raw_param("%#x", arg5, 1);
1.1.1.3   root     1378:     print_syscall_epilogue(name);
                   1379: }
                   1380: #define print_mmap2     print_mmap
                   1381: #endif
                   1382: 
                   1383: #ifdef TARGET_NR_mprotect
                   1384: static void
                   1385: print_mprotect(const struct syscallname *name,
                   1386:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1387:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1388: {
                   1389:     print_syscall_prologue(name);
                   1390:     print_pointer(arg0, 0);
1.1.1.5   root     1391:     print_raw_param("%d", arg1, 0);
1.1.1.3   root     1392:     print_flags(mmap_prot_flags, arg2, 1);
                   1393:     print_syscall_epilogue(name);
                   1394: }
                   1395: #endif
                   1396: 
                   1397: #ifdef TARGET_NR_munmap
                   1398: static void
                   1399: print_munmap(const struct syscallname *name,
                   1400:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1401:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1402: {
                   1403:     print_syscall_prologue(name);
                   1404:     print_pointer(arg0, 0);
1.1.1.5   root     1405:     print_raw_param("%d", arg1, 1);
1.1.1.3   root     1406:     print_syscall_epilogue(name);
                   1407: }
                   1408: #endif
                   1409: 
                   1410: #ifdef TARGET_NR_futex
                   1411: static void print_futex_op(abi_long tflag, int last)
                   1412: {
                   1413: #define print_op(val) \
                   1414: if( cmd == val ) { \
                   1415:     gemu_log(#val); \
                   1416:     return; \
                   1417: }
                   1418: 
1.1.1.5   root     1419:     int cmd = (int)tflag;
1.1.1.3   root     1420: #ifdef FUTEX_PRIVATE_FLAG
1.1.1.4   root     1421:     if (cmd & FUTEX_PRIVATE_FLAG) {
1.1.1.3   root     1422:         gemu_log("FUTEX_PRIVATE_FLAG|");
1.1.1.4   root     1423:         cmd &= ~FUTEX_PRIVATE_FLAG;
                   1424:     }
1.1.1.3   root     1425: #endif
                   1426:     print_op(FUTEX_WAIT)
                   1427:     print_op(FUTEX_WAKE)
                   1428:     print_op(FUTEX_FD)
                   1429:     print_op(FUTEX_REQUEUE)
                   1430:     print_op(FUTEX_CMP_REQUEUE)
                   1431:     print_op(FUTEX_WAKE_OP)
                   1432:     print_op(FUTEX_LOCK_PI)
                   1433:     print_op(FUTEX_UNLOCK_PI)
                   1434:     print_op(FUTEX_TRYLOCK_PI)
                   1435: #ifdef FUTEX_WAIT_BITSET
                   1436:     print_op(FUTEX_WAIT_BITSET)
                   1437: #endif
                   1438: #ifdef FUTEX_WAKE_BITSET
                   1439:     print_op(FUTEX_WAKE_BITSET)
                   1440: #endif
                   1441:     /* unknown values */
                   1442:     gemu_log("%d",cmd);
                   1443: }
                   1444: 
                   1445: static void
                   1446: print_futex(const struct syscallname *name,
                   1447:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1448:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1449: {
                   1450:     print_syscall_prologue(name);
                   1451:     print_pointer(arg0, 0);
                   1452:     print_futex_op(arg1, 0);
1.1.1.5   root     1453:     print_raw_param(",%d", arg2, 0);
1.1.1.3   root     1454:     print_pointer(arg3, 0); /* struct timespec */
                   1455:     print_pointer(arg4, 0);
1.1.1.5   root     1456:     print_raw_param("%d", arg4, 1);
                   1457:     print_syscall_epilogue(name);
                   1458: }
                   1459: #endif
                   1460: 
                   1461: #ifdef TARGET_NR_kill
                   1462: static void
                   1463: print_kill(const struct syscallname *name,
                   1464:     abi_long arg0, abi_long arg1, abi_long arg2,
                   1465:     abi_long arg3, abi_long arg4, abi_long arg5)
                   1466: {
                   1467:     print_syscall_prologue(name);
                   1468:     print_raw_param("%d", arg0, 0);
                   1469:     print_signal(arg1, 1);
1.1.1.3   root     1470:     print_syscall_epilogue(name);
                   1471: }
                   1472: #endif
                   1473: 
1.1       root     1474: /*
                   1475:  * An array of all of the syscalls we know about
                   1476:  */
                   1477: 
1.1.1.2   root     1478: static const struct syscallname scnames[] = {
1.1       root     1479: #include "strace.list"
                   1480: };
                   1481: 
1.1.1.2   root     1482: static int nsyscalls = ARRAY_SIZE(scnames);
1.1       root     1483: 
                   1484: /*
                   1485:  * The public interface to this module.
                   1486:  */
                   1487: void
                   1488: print_syscall(int num,
                   1489:               abi_long arg1, abi_long arg2, abi_long arg3,
                   1490:               abi_long arg4, abi_long arg5, abi_long arg6)
                   1491: {
                   1492:     int i;
1.1.1.2   root     1493:     const char *format="%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
1.1       root     1494: 
                   1495:     gemu_log("%d ", getpid() );
                   1496: 
                   1497:     for(i=0;i<nsyscalls;i++)
                   1498:         if( scnames[i].nr == num ) {
                   1499:             if( scnames[i].call != NULL ) {
                   1500:                 scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6);
                   1501:             } else {
                   1502:                 /* XXX: this format system is broken because it uses
                   1503:                    host types and host pointers for strings */
                   1504:                 if( scnames[i].format != NULL )
                   1505:                     format = scnames[i].format;
                   1506:                 gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6);
                   1507:             }
1.1.1.2   root     1508:             return;
1.1       root     1509:         }
1.1.1.2   root     1510:     gemu_log("Unknown syscall %d\n", num);
1.1       root     1511: }
                   1512: 
                   1513: 
                   1514: void
                   1515: print_syscall_ret(int num, abi_long ret)
                   1516: {
                   1517:     int i;
                   1518: 
                   1519:     for(i=0;i<nsyscalls;i++)
                   1520:         if( scnames[i].nr == num ) {
                   1521:             if( scnames[i].result != NULL ) {
                   1522:                 scnames[i].result(&scnames[i],ret);
                   1523:             } else {
                   1524:                 if( ret < 0 ) {
                   1525:                     gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", -ret, target_strerror(-ret));
                   1526:                 } else {
                   1527:                     gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
                   1528:                 }
                   1529:             }
                   1530:             break;
                   1531:         }
                   1532: }

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