| #include <stdio.h> |
| #include <errno.h> |
| #include <sys/ipc.h> |
| #include <sys/msg.h> |
| #include <sys/sem.h> |
| #include <sys/shm.h> |
| #include <sys/select.h> |
| #include <sys/types.h> |
| #include <sys/mount.h> |
| #include <sys/mman.h> |
| #include <unistd.h> |
| #include "qemu.h" |
| |
| int do_strace=0; |
| |
| struct syscallname { |
| int nr; |
| const char *name; |
| const char *format; |
| void (*call)(const struct syscallname *, |
| abi_long, abi_long, abi_long, |
| abi_long, abi_long, abi_long); |
| void (*result)(const struct syscallname *, abi_long); |
| }; |
| |
| #ifdef __GNUC__ |
| /* |
| * It is possible that target doesn't have syscall that uses |
| * following flags but we don't want the compiler to warn |
| * us about them being unused. Same applies to utility print |
| * functions. It is ok to keep them while not used. |
| */ |
| #define UNUSED __attribute__ ((unused)) |
| #else |
| #define UNUSED |
| #endif |
| |
| /* |
| * Structure used to translate flag values into strings. This is |
| * similar that is in the actual strace tool. |
| */ |
| struct flags { |
| abi_long f_value; /* flag */ |
| const char *f_string; /* stringified flag */ |
| }; |
| |
| /* common flags for all architectures */ |
| #define FLAG_GENERIC(name) { name, #name } |
| /* target specific flags (syscall_defs.h has TARGET_<flag>) */ |
| #define FLAG_TARGET(name) { TARGET_ ## name, #name } |
| /* end of flags array */ |
| #define FLAG_END { 0, NULL } |
| |
| UNUSED static const char *get_comma(int); |
| UNUSED static void print_pointer(abi_long, int); |
| UNUSED static void print_flags(const struct flags *, abi_long, int); |
| UNUSED static void print_at_dirfd(abi_long, int); |
| UNUSED static void print_file_mode(abi_long, int); |
| UNUSED static void print_open_flags(abi_long, int); |
| UNUSED static void print_syscall_prologue(const struct syscallname *); |
| UNUSED static void print_syscall_epilogue(const struct syscallname *); |
| UNUSED static void print_string(abi_long, int); |
| UNUSED static void print_raw_param(const char *, abi_long, int); |
| UNUSED static void print_timeval(abi_ulong, int); |
| UNUSED static void print_number(abi_long, int); |
| |
| /* |
| * Utility functions |
| */ |
| static void |
| print_ipc_cmd(int cmd) |
| { |
| #define output_cmd(val) \ |
| if( cmd == val ) { \ |
| gemu_log(#val); \ |
| return; \ |
| } |
| |
| cmd &= 0xff; |
| |
| /* General IPC commands */ |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_SET ); |
| output_cmd( IPC_STAT ); |
| output_cmd( IPC_INFO ); |
| /* msgctl() commands */ |
| #ifdef __USER_MISC |
| output_cmd( MSG_STAT ); |
| output_cmd( MSG_INFO ); |
| #endif |
| /* shmctl() commands */ |
| output_cmd( SHM_LOCK ); |
| output_cmd( SHM_UNLOCK ); |
| output_cmd( SHM_STAT ); |
| output_cmd( SHM_INFO ); |
| /* semctl() commands */ |
| output_cmd( GETPID ); |
| output_cmd( GETVAL ); |
| output_cmd( GETALL ); |
| output_cmd( GETNCNT ); |
| output_cmd( GETZCNT ); |
| output_cmd( SETVAL ); |
| output_cmd( SETALL ); |
| output_cmd( SEM_STAT ); |
| output_cmd( SEM_INFO ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| output_cmd( IPC_RMID ); |
| |
| /* Some value we don't recognize */ |
| gemu_log("%d",cmd); |
| } |
| |
| #ifdef TARGET_NR__newselect |
| static void |
| print_fdset(int n, abi_ulong target_fds_addr) |
| { |
| int i; |
| |
| gemu_log("["); |
| if( target_fds_addr ) { |
| abi_long *target_fds; |
| |
| target_fds = lock_user(VERIFY_READ, |
| target_fds_addr, |
| sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1), |
| 1); |
| |
| if (!target_fds) |
| return; |
| |
| for (i=n; i>=0; i--) { |
| if ((tswapl(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1) |
| gemu_log("%d,", i ); |
| } |
| unlock_user(target_fds, target_fds_addr, 0); |
| } |
| gemu_log("]"); |
| } |
| #endif |
| |
| /* |
| * Sysycall specific output functions |
| */ |
| |
| /* select */ |
| #ifdef TARGET_NR__newselect |
| static long newselect_arg1 = 0; |
| static long newselect_arg2 = 0; |
| static long newselect_arg3 = 0; |
| static long newselect_arg4 = 0; |
| static long newselect_arg5 = 0; |
| |
| static void |
| print_newselect(const struct syscallname *name, |
| abi_long arg1, abi_long arg2, abi_long arg3, |
| abi_long arg4, abi_long arg5, abi_long arg6) |
| { |
| gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1); |
| print_fdset(arg1, arg2); |
| gemu_log(","); |
| print_fdset(arg1, arg3); |
| gemu_log(","); |
| print_fdset(arg1, arg4); |
| gemu_log(","); |
| print_timeval(arg5, 1); |
| gemu_log(")"); |
| |
| /* save for use in the return output function below */ |
| newselect_arg1=arg1; |
| newselect_arg2=arg2; |
| newselect_arg3=arg3; |
| newselect_arg4=arg4; |
| newselect_arg5=arg5; |
| } |
| #endif |
| |
| #ifdef TARGET_NR_semctl |
| static void |
| print_semctl(const struct syscallname *name, |
| abi_long arg1, abi_long arg2, abi_long arg3, |
| abi_long arg4, abi_long arg5, abi_long arg6) |
| { |
| gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2); |
| print_ipc_cmd(arg3); |
| gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4); |
| } |
| #endif |
| |
| static void |
| print_execve(const struct syscallname *name, |
| abi_long arg1, abi_long arg2, abi_long arg3, |
| abi_long arg4, abi_long arg5, abi_long arg6) |
| { |
| abi_ulong arg_ptr_addr; |
| char *s; |
| |
| if (!(s = lock_user_string(arg1))) |
| return; |
| gemu_log("%s(\"%s\",{", name->name, s); |
| unlock_user(s, arg1, 0); |
| |
| for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) { |
| abi_ulong *arg_ptr, arg_addr; |
| |
| arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1); |
| if (!arg_ptr) |
| return; |
| arg_addr = tswapl(*arg_ptr); |
| unlock_user(arg_ptr, arg_ptr_addr, 0); |
| if (!arg_addr) |
| break; |
| if ((s = lock_user_string(arg_addr))) { |
| gemu_log("\"%s\",", s); |
| unlock_user(s, arg_addr, 0); |
| } |
| } |
| |
| gemu_log("NULL})"); |
| } |
| |
| #ifdef TARGET_NR_ipc |
| static void |
| print_ipc(const struct syscallname *name, |
| abi_long arg1, abi_long arg2, abi_long arg3, |
| abi_long arg4, abi_long arg5, abi_long arg6) |
| { |
| switch(arg1) { |
| case IPCOP_semctl: |
| gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2); |
| print_ipc_cmd(arg3); |
| gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4); |
| break; |
| default: |
| gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")", |
| name->name, arg1, arg2, arg3, arg4); |
| } |
| } |
| #endif |
| |
| /* |
| * Variants for the return value output function |
| */ |
| |
| static void |
| print_syscall_ret_addr(const struct syscallname *name, abi_long ret) |
| { |
| if( ret == -1 ) { |
| gemu_log(" = -1 errno=%d (%s)\n", errno, target_strerror(errno)); |
| } else { |
| gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret); |
| } |
| } |
| |
| #if 0 /* currently unused */ |
| static void |
| print_syscall_ret_raw(struct syscallname *name, abi_long ret) |
| { |
| gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret); |
| } |
| #endif |
| |
| #ifdef TARGET_NR__newselect |
| static void |
| print_syscall_ret_newselect(const struct syscallname *name, abi_long ret) |
| { |
| gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret); |
| print_fdset(newselect_arg1,newselect_arg2); |
| gemu_log(","); |
| print_fdset(newselect_arg1,newselect_arg3); |
| gemu_log(","); |
| print_fdset(newselect_arg1,newselect_arg4); |
| gemu_log(","); |
| print_timeval(newselect_arg5, 1); |
| gemu_log(")\n"); |
| } |
| #endif |
| |
| UNUSED static struct flags access_flags[] = { |
| FLAG_GENERIC(F_OK), |
| FLAG_GENERIC(R_OK), |
| FLAG_GENERIC(W_OK), |
| FLAG_GENERIC(X_OK), |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags at_file_flags[] = { |
| #ifdef AT_EACCESS |
| FLAG_GENERIC(AT_EACCESS), |
| #endif |
| #ifdef AT_SYMLINK_NOFOLLOW |
| FLAG_GENERIC(AT_SYMLINK_NOFOLLOW), |
| #endif |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags unlinkat_flags[] = { |
| #ifdef AT_REMOVEDIR |
| FLAG_GENERIC(AT_REMOVEDIR), |
| #endif |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags mode_flags[] = { |
| FLAG_GENERIC(S_IFSOCK), |
| FLAG_GENERIC(S_IFLNK), |
| FLAG_GENERIC(S_IFREG), |
| FLAG_GENERIC(S_IFBLK), |
| FLAG_GENERIC(S_IFDIR), |
| FLAG_GENERIC(S_IFCHR), |
| FLAG_GENERIC(S_IFIFO), |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags open_access_flags[] = { |
| FLAG_TARGET(O_RDONLY), |
| FLAG_TARGET(O_WRONLY), |
| FLAG_TARGET(O_RDWR), |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags open_flags[] = { |
| FLAG_TARGET(O_APPEND), |
| FLAG_TARGET(O_CREAT), |
| FLAG_TARGET(O_DIRECTORY), |
| FLAG_TARGET(O_EXCL), |
| FLAG_TARGET(O_LARGEFILE), |
| FLAG_TARGET(O_NOCTTY), |
| FLAG_TARGET(O_NOFOLLOW), |
| FLAG_TARGET(O_NONBLOCK), /* also O_NDELAY */ |
| FLAG_TARGET(O_SYNC), |
| FLAG_TARGET(O_TRUNC), |
| #ifdef O_DIRECT |
| FLAG_TARGET(O_DIRECT), |
| #endif |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags mount_flags[] = { |
| #ifdef MS_BIND |
| FLAG_GENERIC(MS_BIND), |
| #endif |
| #ifdef MS_DIRSYNC |
| FLAG_GENERIC(MS_DIRSYNC), |
| #endif |
| FLAG_GENERIC(MS_MANDLOCK), |
| #ifdef MS_MOVE |
| FLAG_GENERIC(MS_MOVE), |
| #endif |
| FLAG_GENERIC(MS_NOATIME), |
| FLAG_GENERIC(MS_NODEV), |
| FLAG_GENERIC(MS_NODIRATIME), |
| FLAG_GENERIC(MS_NOEXEC), |
| FLAG_GENERIC(MS_NOSUID), |
| FLAG_GENERIC(MS_RDONLY), |
| #ifdef MS_RELATIME |
| FLAG_GENERIC(MS_RELATIME), |
| #endif |
| FLAG_GENERIC(MS_REMOUNT), |
| FLAG_GENERIC(MS_SYNCHRONOUS), |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags umount2_flags[] = { |
| #ifdef MNT_FORCE |
| FLAG_GENERIC(MNT_FORCE), |
| #endif |
| #ifdef MNT_DETACH |
| FLAG_GENERIC(MNT_DETACH), |
| #endif |
| #ifdef MNT_EXPIRE |
| FLAG_GENERIC(MNT_EXPIRE), |
| #endif |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags mmap_prot_flags[] = { |
| FLAG_GENERIC(PROT_NONE), |
| FLAG_GENERIC(PROT_EXEC), |
| FLAG_GENERIC(PROT_READ), |
| FLAG_GENERIC(PROT_WRITE), |
| FLAG_TARGET(PROT_SEM), |
| FLAG_GENERIC(PROT_GROWSDOWN), |
| FLAG_GENERIC(PROT_GROWSUP), |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags mmap_flags[] = { |
| FLAG_TARGET(MAP_SHARED), |
| FLAG_TARGET(MAP_PRIVATE), |
| FLAG_TARGET(MAP_ANONYMOUS), |
| FLAG_TARGET(MAP_DENYWRITE), |
| FLAG_TARGET(MAP_FIXED), |
| FLAG_TARGET(MAP_GROWSDOWN), |
| FLAG_TARGET(MAP_EXECUTABLE), |
| #ifdef MAP_LOCKED |
| FLAG_TARGET(MAP_LOCKED), |
| #endif |
| #ifdef MAP_NONBLOCK |
| FLAG_TARGET(MAP_NONBLOCK), |
| #endif |
| FLAG_TARGET(MAP_NORESERVE), |
| #ifdef MAP_POPULATE |
| FLAG_TARGET(MAP_POPULATE), |
| #endif |
| #ifdef TARGET_MAP_UNINITIALIZED |
| FLAG_TARGET(MAP_UNINITIALIZED), |
| #endif |
| FLAG_END, |
| }; |
| |
| UNUSED static struct flags fcntl_flags[] = { |
| FLAG_TARGET(F_DUPFD), |
| FLAG_TARGET(F_GETFD), |
| FLAG_TARGET(F_SETFD), |
| FLAG_TARGET(F_GETFL), |
| FLAG_TARGET(F_SETFL), |
| FLAG_TARGET(F_GETLK), |
| FLAG_TARGET(F_SETLK), |
| FLAG_TARGET(F_SETLKW), |
| FLAG_END, |
| }; |
| |
| /* |
| * print_xxx utility functions. These are used to print syscall |
| * parameters in certain format. All of these have parameter |
| * named 'last'. This parameter is used to add comma to output |
| * when last == 0. |
| */ |
| |
| static const char * |
| get_comma(int last) |
| { |
| return ((last) ? "" : ","); |
| } |
| |
| static void |
| print_flags(const struct flags *f, abi_long tflags, int last) |
| { |
| const char *sep = ""; |
| int flags; |
| int n; |
| |
| flags = (int)tswap32(tflags); |
| |
| if ((flags == 0) && (f->f_value == 0)) { |
| gemu_log("%s%s", f->f_string, get_comma(last)); |
| return; |
| } |
| for (n = 0; f->f_string != NULL; f++) { |
| if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) { |
| gemu_log("%s%s", sep, f->f_string); |
| flags &= ~f->f_value; |
| sep = "|"; |
| n++; |
| } |
| } |
| |
| if (n > 0) { |
| /* print rest of the flags as numeric */ |
| if (flags != 0) { |
| gemu_log("%s%#x%s", sep, flags, get_comma(last)); |
| } else { |
| gemu_log("%s", get_comma(last)); |
| } |
| } else { |
| /* no string version of flags found, print them in hex then */ |
| gemu_log("%#x%s", flags, get_comma(last)); |
| } |
| } |
| |
| static void |
| print_at_dirfd(abi_long tdirfd, int last) |
| { |
| int dirfd = tswap32(tdirfd); |
| |
| #ifdef AT_FDCWD |
| if (dirfd == AT_FDCWD) { |
| gemu_log("AT_FDCWD%s", get_comma(last)); |
| return; |
| } |
| #endif |
| gemu_log("%d%s", dirfd, get_comma(last)); |
| } |
| |
| static void |
| print_file_mode(abi_long tmode, int last) |
| { |
| const char *sep = ""; |
| const struct flags *m; |
| mode_t mode = (mode_t)tswap32(tmode); |
| |
| for (m = &mode_flags[0]; m->f_string != NULL; m++) { |
| if ((m->f_value & mode) == m->f_value) { |
| gemu_log("%s%s", m->f_string, sep); |
| sep = "|"; |
| mode &= ~m->f_value; |
| break; |
| } |
| } |
| |
| mode &= ~S_IFMT; |
| /* print rest of the mode as octal */ |
| if (mode != 0) |
| gemu_log("%s%#o", sep, mode); |
| |
| gemu_log("%s", get_comma(last)); |
| } |
| |
| static void |
| print_open_flags(abi_long tflags, int last) |
| { |
| int flags = tswap32(tflags); |
| |
| print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1); |
| flags &= ~TARGET_O_ACCMODE; |
| if (flags == 0) { |
| gemu_log("%s", get_comma(last)); |
| return; |
| } |
| gemu_log("|"); |
| print_flags(open_flags, flags, last); |
| } |
| |
| static void |
| print_syscall_prologue(const struct syscallname *sc) |
| { |
| gemu_log("%s(", sc->name); |
| } |
| |
| /*ARGSUSED*/ |
| static void |
| print_syscall_epilogue(const struct syscallname *sc) |
| { |
| (void)sc; |
| gemu_log(")"); |
| } |
| |
| static void |
| print_string(abi_long addr, int last) |
| { |
| char *s; |
| |
| if ((s = lock_user_string(addr)) != NULL) { |
| gemu_log("\"%s\"%s", s, get_comma(last)); |
| unlock_user(s, addr, 0); |
| } else { |
| /* can't get string out of it, so print it as pointer */ |
| print_pointer(addr, last); |
| } |
| } |
| |
| /* |
| * Prints out raw parameter using given format. Caller needs |
| * to do byte swapping if needed. |
| */ |
| static void |
| print_raw_param(const char *fmt, abi_long param, int last) |
| { |
| char format[64]; |
| |
| (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last)); |
| gemu_log(format, param); |
| } |
| |
| static void |
| print_pointer(abi_long p, int last) |
| { |
| if (p == 0) |
| gemu_log("NULL%s", get_comma(last)); |
| else |
| gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last)); |
| } |
| |
| /* |
| * Reads 32-bit (int) number from guest address space from |
| * address 'addr' and prints it. |
| */ |
| static void |
| print_number(abi_long addr, int last) |
| { |
| if (addr == 0) { |
| gemu_log("NULL%s", get_comma(last)); |
| } else { |
| int num; |
| |
| get_user_s32(num, addr); |
| gemu_log("[%d]%s", num, get_comma(last)); |
| } |
| } |
| |
| static void |
| print_timeval(abi_ulong tv_addr, int last) |
| { |
| if( tv_addr ) { |
| struct target_timeval *tv; |
| |
| tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1); |
| if (!tv) |
| return; |
| gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s", |
| tv->tv_sec, tv->tv_usec, get_comma(last)); |
| unlock_user(tv, tv_addr, 0); |
| } else |
| gemu_log("NULL%s", get_comma(last)); |
| } |
| |
| #undef UNUSED |
| |
| #ifdef TARGET_NR_accept |
| static void |
| print_accept(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_raw_param("%d", tswap32(arg0), 0); |
| print_pointer(arg1, 0); |
| print_number(arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_access |
| static void |
| print_access(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_flags(access_flags, arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_brk |
| static void |
| print_brk(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_pointer(arg0, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_chdir |
| static void |
| print_chdir(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_chmod |
| static void |
| print_chmod(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_file_mode(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_creat |
| static void |
| print_creat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_file_mode(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_execv |
| static void |
| print_execv(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_raw_param("0x" TARGET_ABI_FMT_lx, tswapl(arg1), 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_faccessat |
| static void |
| print_faccessat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_flags(access_flags, arg2, 0); |
| print_flags(at_file_flags, arg3, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_fchmodat |
| static void |
| print_fchmodat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_file_mode(arg2, 0); |
| print_flags(at_file_flags, arg3, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_fchownat |
| static void |
| print_fchownat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| #ifdef USE_UID16 |
| print_raw_param("%d", tswap16(arg2), 0); |
| print_raw_param("%d", tswap16(arg3), 0); |
| #else |
| print_raw_param("%d", tswap32(arg2), 0); |
| print_raw_param("%d", tswap32(arg3), 0); |
| #endif |
| print_flags(at_file_flags, arg4, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64) |
| static void |
| print_fcntl(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_raw_param("%d", tswap32(arg0), 0); |
| print_flags(fcntl_flags, arg1, 0); |
| /* |
| * TODO: check flags and print following argument only |
| * when needed. |
| */ |
| print_pointer(arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #define print_fcntl64 print_fcntl |
| #endif |
| |
| |
| #ifdef TARGET_NR_futimesat |
| static void |
| print_futimesat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_timeval(arg2, 0); |
| print_timeval(arg2 + sizeof (struct target_timeval), 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_link |
| static void |
| print_link(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_string(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_linkat |
| static void |
| print_linkat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_at_dirfd(arg2, 0); |
| print_string(arg3, 0); |
| print_flags(at_file_flags, arg4, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \ |
| defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) |
| static void |
| print_stat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_pointer(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #define print_lstat print_stat |
| #define print_stat64 print_stat |
| #define print_lstat64 print_stat |
| #endif |
| |
| #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) |
| static void |
| print_fstat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_raw_param("%d", tswap32(arg0), 0); |
| print_pointer(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #define print_fstat64 print_fstat |
| #endif |
| |
| #ifdef TARGET_NR_mkdir |
| static void |
| print_mkdir(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_file_mode(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_mkdirat |
| static void |
| print_mkdirat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_file_mode(arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_mknod |
| static void |
| print_mknod(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| int hasdev = (tswapl(arg1) & (S_IFCHR|S_IFBLK)); |
| |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_file_mode(arg1, (hasdev == 0)); |
| if (hasdev) { |
| print_raw_param("makedev(%d", major(tswapl(arg2)), 0); |
| print_raw_param("%d)", minor(tswapl(arg2)), 1); |
| } |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_mknodat |
| static void |
| print_mknodat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| int hasdev = (tswapl(arg2) & (S_IFCHR|S_IFBLK)); |
| |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_file_mode(arg2, (hasdev == 0)); |
| if (hasdev) { |
| print_raw_param("makedev(%d", major(tswapl(arg3)), 0); |
| print_raw_param("%d)", minor(tswapl(arg3)), 1); |
| } |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_mq_open |
| static void |
| print_mq_open(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| int is_creat = (tswapl(arg1) & TARGET_O_CREAT); |
| |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_open_flags(arg1, (is_creat == 0)); |
| if (is_creat) { |
| print_file_mode(arg2, 0); |
| print_pointer(arg3, 1); |
| } |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_open |
| static void |
| print_open(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| int is_creat = (tswap32(arg1) & TARGET_O_CREAT); |
| |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_open_flags(arg1, (is_creat == 0)); |
| if (is_creat) |
| print_file_mode(arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_openat |
| static void |
| print_openat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| int is_creat = (tswap32(arg2) & TARGET_O_CREAT); |
| |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_open_flags(arg2, (is_creat == 0)); |
| if (is_creat) |
| print_file_mode(arg3, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_mq_unlink |
| static void |
| print_mq_unlink(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat) |
| static void |
| print_fstatat64(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_pointer(arg2, 0); |
| print_flags(at_file_flags, arg3, 1); |
| print_syscall_epilogue(name); |
| } |
| #define print_newfstatat print_fstatat64 |
| #endif |
| |
| #ifdef TARGET_NR_readlink |
| static void |
| print_readlink(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_pointer(arg1, 0); |
| print_raw_param("%u", tswapl(arg2), 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_readlinkat |
| static void |
| print_readlinkat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_pointer(arg2, 0); |
| print_raw_param("%u", tswapl(arg3), 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_rename |
| static void |
| print_rename(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_string(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_renameat |
| static void |
| print_renameat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_at_dirfd(arg2, 0); |
| print_string(arg3, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_statfs |
| static void |
| print_statfs(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_pointer(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #define print_statfs64 print_statfs |
| #endif |
| |
| #ifdef TARGET_NR_symlink |
| static void |
| print_symlink(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_string(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_symlinkat |
| static void |
| print_symlinkat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_at_dirfd(arg1, 0); |
| print_string(arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_mount |
| static void |
| print_mount(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_string(arg1, 0); |
| print_string(arg2, 0); |
| print_flags(mount_flags, arg3, 0); |
| print_pointer(arg4, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_umount |
| static void |
| print_umount(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_umount2 |
| static void |
| print_umount2(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_flags(umount2_flags, arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_unlink |
| static void |
| print_unlink(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_unlinkat |
| static void |
| print_unlinkat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_flags(unlinkat_flags, arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_utime |
| static void |
| print_utime(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_pointer(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_utimes |
| static void |
| print_utimes(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_string(arg0, 0); |
| print_pointer(arg1, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_utimensat |
| static void |
| print_utimensat(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_at_dirfd(arg0, 0); |
| print_string(arg1, 0); |
| print_pointer(arg2, 0); |
| print_flags(at_file_flags, arg3, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2) |
| static void |
| print_mmap(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_pointer(arg0, 0); |
| print_raw_param("%d", tswapl(arg1), 0); |
| print_flags(mmap_prot_flags, arg2, 0); |
| print_flags(mmap_flags, arg3, 0); |
| print_raw_param("%d", tswapl(arg4), 0); |
| print_raw_param("%#x", tswapl(arg5), 1); |
| print_syscall_epilogue(name); |
| } |
| #define print_mmap2 print_mmap |
| #endif |
| |
| #ifdef TARGET_NR_mprotect |
| static void |
| print_mprotect(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_pointer(arg0, 0); |
| print_raw_param("%d", tswapl(arg1), 0); |
| print_flags(mmap_prot_flags, arg2, 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_munmap |
| static void |
| print_munmap(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_pointer(arg0, 0); |
| print_raw_param("%d", tswapl(arg1), 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_futex |
| static void print_futex_op(abi_long tflag, int last) |
| { |
| #define print_op(val) \ |
| if( cmd == val ) { \ |
| gemu_log(#val); \ |
| return; \ |
| } |
| |
| int cmd = (int)tswap32(tflag); |
| #ifdef FUTEX_PRIVATE_FLAG |
| if (cmd & FUTEX_PRIVATE_FLAG) { |
| gemu_log("FUTEX_PRIVATE_FLAG|"); |
| cmd &= ~FUTEX_PRIVATE_FLAG; |
| } |
| #endif |
| print_op(FUTEX_WAIT) |
| print_op(FUTEX_WAKE) |
| print_op(FUTEX_FD) |
| print_op(FUTEX_REQUEUE) |
| print_op(FUTEX_CMP_REQUEUE) |
| print_op(FUTEX_WAKE_OP) |
| print_op(FUTEX_LOCK_PI) |
| print_op(FUTEX_UNLOCK_PI) |
| print_op(FUTEX_TRYLOCK_PI) |
| #ifdef FUTEX_WAIT_BITSET |
| print_op(FUTEX_WAIT_BITSET) |
| #endif |
| #ifdef FUTEX_WAKE_BITSET |
| print_op(FUTEX_WAKE_BITSET) |
| #endif |
| /* unknown values */ |
| gemu_log("%d",cmd); |
| } |
| |
| static void |
| print_futex(const struct syscallname *name, |
| abi_long arg0, abi_long arg1, abi_long arg2, |
| abi_long arg3, abi_long arg4, abi_long arg5) |
| { |
| print_syscall_prologue(name); |
| print_pointer(arg0, 0); |
| print_futex_op(arg1, 0); |
| print_raw_param(",%d", tswapl(arg2), 0); |
| print_pointer(arg3, 0); /* struct timespec */ |
| print_pointer(arg4, 0); |
| print_raw_param("%d", tswapl(arg4), 1); |
| print_syscall_epilogue(name); |
| } |
| #endif |
| |
| /* |
| * An array of all of the syscalls we know about |
| */ |
| |
| static const struct syscallname scnames[] = { |
| #include "strace.list" |
| }; |
| |
| static int nsyscalls = ARRAY_SIZE(scnames); |
| |
| /* |
| * The public interface to this module. |
| */ |
| void |
| print_syscall(int num, |
| abi_long arg1, abi_long arg2, abi_long arg3, |
| abi_long arg4, abi_long arg5, abi_long arg6) |
| { |
| int i; |
| 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 ")"; |
| |
| gemu_log("%d ", getpid() ); |
| |
| for(i=0;i<nsyscalls;i++) |
| if( scnames[i].nr == num ) { |
| if( scnames[i].call != NULL ) { |
| scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6); |
| } else { |
| /* XXX: this format system is broken because it uses |
| host types and host pointers for strings */ |
| if( scnames[i].format != NULL ) |
| format = scnames[i].format; |
| gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6); |
| } |
| return; |
| } |
| gemu_log("Unknown syscall %d\n", num); |
| } |
| |
| |
| void |
| print_syscall_ret(int num, abi_long ret) |
| { |
| int i; |
| |
| for(i=0;i<nsyscalls;i++) |
| if( scnames[i].nr == num ) { |
| if( scnames[i].result != NULL ) { |
| scnames[i].result(&scnames[i],ret); |
| } else { |
| if( ret < 0 ) { |
| gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", -ret, target_strerror(-ret)); |
| } else { |
| gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
| } |
| } |
| break; |
| } |
| } |