25 static int validate_strlen(CPUState *cs, target_ulong str, target_ulong tlen)  in validate_strlen()  argument
27     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in validate_strlen()
53 static int validate_lock_user_string(char **pstr, CPUState *cs,  in validate_lock_user_string()  argument
56     int ret = validate_strlen(cs, tstr, tlen);  in validate_lock_user_string()
57     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in validate_lock_user_string()
74 static int copy_stat_to_user(CPUState *cs, target_ulong addr,  in copy_stat_to_user()  argument
77     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in copy_stat_to_user()
120 static void gdb_open_cb(CPUState *cs, uint64_t ret, int err)  in gdb_open_cb()  argument
127     gdb_open_complete(cs, ret, err);  in gdb_open_cb()
130 static void gdb_open(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_open()  argument
134     int len = validate_strlen(cs, fname, fname_len);  in gdb_open()
136         complete(cs, -1, -len);  in gdb_open()
146 static void gdb_close(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_close()  argument
152 static void gdb_read(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_read()  argument
159 static void gdb_write(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_write()  argument
166 static void gdb_lseek(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_lseek()  argument
173 static void gdb_isatty(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_isatty()  argument
179 static void gdb_fstat(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_fstat()  argument
186 static void gdb_stat(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_stat()  argument
190     int len = validate_strlen(cs, fname, fname_len);  in gdb_stat()
192         complete(cs, -1, -len);  in gdb_stat()
200 static void gdb_remove(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_remove()  argument
203     int len = validate_strlen(cs, fname, fname_len);  in gdb_remove()
205         complete(cs, -1, -len);  in gdb_remove()
212 static void gdb_rename(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_rename()  argument
218     olen = validate_strlen(cs, oname, oname_len);  in gdb_rename()
220         complete(cs, -1, -olen);  in gdb_rename()
223     nlen = validate_strlen(cs, nname, nname_len);  in gdb_rename()
225         complete(cs, -1, -nlen);  in gdb_rename()
234 static void gdb_system(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_system()  argument
237     int len = validate_strlen(cs, cmd, cmd_len);  in gdb_system()
239         complete(cs, -1, -len);  in gdb_system()
246 static void gdb_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,  in gdb_gettimeofday()  argument
257 static void host_open(CPUState *cs, gdb_syscall_complete_cb complete,  in host_open()  argument
261     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_open()
265     ret = validate_lock_user_string(&p, cs, fname, fname_len);  in host_open()
267         complete(cs, -1, -ret);  in host_open()
290         complete(cs, -1, errno);  in host_open()
294         complete(cs, guestfd, 0);  in host_open()
299 static void host_close(CPUState *cs, gdb_syscall_complete_cb complete,  in host_close()  argument
310         complete(cs, -1, errno);  in host_close()
312         complete(cs, 0, 0);  in host_close()
316 static void host_read(CPUState *cs, gdb_syscall_complete_cb complete,  in host_read()  argument
319     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_read()
324         complete(cs, -1, EFAULT);  in host_read()
330         complete(cs, -1, errno);  in host_read()
333         complete(cs, ret, 0);  in host_read()
337 static void host_write(CPUState *cs, gdb_syscall_complete_cb complete,  in host_write()  argument
340     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_write()
345         complete(cs, -1, EFAULT);  in host_write()
350     complete(cs, ret, ret == -1 ? errno : 0);  in host_write()
353 static void host_lseek(CPUState *cs, gdb_syscall_complete_cb complete,  in host_lseek()  argument
373     complete(cs, ret, err);  in host_lseek()
376 static void host_isatty(CPUState *cs, gdb_syscall_complete_cb complete,  in host_isatty()  argument
380     complete(cs, ret, ret ? 0 : errno);  in host_isatty()
383 static void host_flen(CPUState *cs, gdb_syscall_complete_cb complete,  in host_flen()  argument
389         complete(cs, -1, errno);  in host_flen()
391         complete(cs, buf.st_size, 0);  in host_flen()
395 static void host_fstat(CPUState *cs, gdb_syscall_complete_cb complete,  in host_fstat()  argument
403         complete(cs, -1, errno);  in host_fstat()
406     ret = copy_stat_to_user(cs, addr, &buf);  in host_fstat()
407     complete(cs, ret ? -1 : 0, ret ? -ret : 0);  in host_fstat()
410 static void host_stat(CPUState *cs, gdb_syscall_complete_cb complete,  in host_stat()  argument
414     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_stat()
419     ret = validate_lock_user_string(&name, cs, fname, fname_len);  in host_stat()
421         complete(cs, -1, -ret);  in host_stat()
429         ret = copy_stat_to_user(cs, addr, &buf);  in host_stat()
437     complete(cs, ret, err);  in host_stat()
440 static void host_remove(CPUState *cs, gdb_syscall_complete_cb complete,  in host_remove()  argument
443     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_remove()
447     ret = validate_lock_user_string(&p, cs, fname, fname_len);  in host_remove()
449         complete(cs, -1, -ret);  in host_remove()
455     complete(cs, ret, ret ? errno : 0);  in host_remove()
458 static void host_rename(CPUState *cs, gdb_syscall_complete_cb complete,  in host_rename()  argument
462     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_rename()
466     ret = validate_lock_user_string(&ostr, cs, oname, oname_len);  in host_rename()
468         complete(cs, -1, -ret);  in host_rename()
471     ret = validate_lock_user_string(&nstr, cs, nname, nname_len);  in host_rename()
474         complete(cs, -1, -ret);  in host_rename()
481     complete(cs, ret, ret ? errno : 0);  in host_rename()
484 static void host_system(CPUState *cs, gdb_syscall_complete_cb complete,  in host_system()  argument
487     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_system()
491     ret = validate_lock_user_string(&p, cs, cmd, cmd_len);  in host_system()
493         complete(cs, -1, -ret);  in host_system()
499     complete(cs, ret, ret == -1 ? errno : 0);  in host_system()
502 static void host_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,  in host_gettimeofday()  argument
505     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in host_gettimeofday()
511         complete(cs, -1, EINVAL);  in host_gettimeofday()
517         complete(cs, -1, EFAULT);  in host_gettimeofday()
529 static void host_poll_one(CPUState *cs, gdb_syscall_complete_cb complete,  in host_poll_one()  argument
539     complete(cs, cond & (G_IO_IN | G_IO_OUT), 0);  in host_poll_one()
547 static void staticfile_read(CPUState *cs, gdb_syscall_complete_cb complete,  in staticfile_read()  argument
550     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in staticfile_read()
559         complete(cs, -1, EFAULT);  in staticfile_read()
565     complete(cs, len, 0);  in staticfile_read()
568 static void staticfile_lseek(CPUState *cs, gdb_syscall_complete_cb complete,  in staticfile_lseek()  argument
589         complete(cs, ret, 0);  in staticfile_lseek()
591         complete(cs, -1, EINVAL);  in staticfile_lseek()
595 static void staticfile_flen(CPUState *cs, gdb_syscall_complete_cb complete,  in staticfile_flen()  argument
598     complete(cs, gf->staticfile.len, 0);  in staticfile_flen()
605 static void console_read(CPUState *cs, gdb_syscall_complete_cb complete,  in console_read()  argument
608     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in console_read()
614         complete(cs, -1, EFAULT);  in console_read()
617     ret = qemu_semihosting_console_read(cs, ptr, len);  in console_read()
619     complete(cs, ret, 0);  in console_read()
622 static void console_write(CPUState *cs, gdb_syscall_complete_cb complete,  in console_write()  argument
625     CPUArchState *env G_GNUC_UNUSED = cpu_env(cs);  in console_write()
630         complete(cs, -1, EFAULT);  in console_write()
635     complete(cs, ret ? ret : -1, ret ? 0 : EIO);  in console_write()
638 static void console_fstat(CPUState *cs, gdb_syscall_complete_cb complete,  in console_fstat()  argument
647     ret = copy_stat_to_user(cs, addr, &tty_buf);  in console_fstat()
648     complete(cs, ret ? -1 : 0, ret ? -ret : 0);  in console_fstat()
652 static void console_poll_one(CPUState *cs, gdb_syscall_complete_cb complete,  in console_poll_one()  argument
669         qemu_semihosting_console_block_until_ready(cs);  in console_poll_one()
675     complete(cs, cond, 0);  in console_poll_one()
683 void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_open()  argument
688         gdb_open(cs, complete, fname, fname_len, gdb_flags, mode);  in semihost_sys_open()
690         host_open(cs, complete, fname, fname_len, gdb_flags, mode);  in semihost_sys_open()
694 void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete, int fd)  in semihost_sys_close()  argument
699         complete(cs, -1, EBADF);  in semihost_sys_close()
704         gdb_close(cs, complete, gf);  in semihost_sys_close()
707         host_close(cs, complete, gf);  in semihost_sys_close()
711         complete(cs, 0, 0);  in semihost_sys_close()
719 void semihost_sys_read_gf(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_read_gf()  argument
732         gdb_read(cs, complete, gf, buf, len);  in semihost_sys_read_gf()
735         host_read(cs, complete, gf, buf, len);  in semihost_sys_read_gf()
738         staticfile_read(cs, complete, gf, buf, len);  in semihost_sys_read_gf()
741         console_read(cs, complete, gf, buf, len);  in semihost_sys_read_gf()
748 void semihost_sys_read(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_read()  argument
754         semihost_sys_read_gf(cs, complete, gf, buf, len);  in semihost_sys_read()
756         complete(cs, -1, EBADF);  in semihost_sys_read()
760 void semihost_sys_write_gf(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_write_gf()  argument
773         gdb_write(cs, complete, gf, buf, len);  in semihost_sys_write_gf()
776         host_write(cs, complete, gf, buf, len);  in semihost_sys_write_gf()
779         console_write(cs, complete, gf, buf, len);  in semihost_sys_write_gf()
783         complete(cs, -1, EBADF);  in semihost_sys_write_gf()
790 void semihost_sys_write(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_write()  argument
796         semihost_sys_write_gf(cs, complete, gf, buf, len);  in semihost_sys_write()
798         complete(cs, -1, EBADF);  in semihost_sys_write()
802 void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_lseek()  argument
808         complete(cs, -1, EBADF);  in semihost_sys_lseek()
813         gdb_lseek(cs, complete, gf, off, gdb_whence);  in semihost_sys_lseek()
816         host_lseek(cs, complete, gf, off, gdb_whence);  in semihost_sys_lseek()
819         staticfile_lseek(cs, complete, gf, off, gdb_whence);  in semihost_sys_lseek()
822         complete(cs, -1, ESPIPE);  in semihost_sys_lseek()
829 void semihost_sys_isatty(CPUState *cs, gdb_syscall_complete_cb complete, int fd)  in semihost_sys_isatty()  argument
834         complete(cs, 0, EBADF);  in semihost_sys_isatty()
839         gdb_isatty(cs, complete, gf);  in semihost_sys_isatty()
842         host_isatty(cs, complete, gf);  in semihost_sys_isatty()
845         complete(cs, 0, ENOTTY);  in semihost_sys_isatty()
848         complete(cs, 1, 0);  in semihost_sys_isatty()
855 void semihost_sys_flen(CPUState *cs, gdb_syscall_complete_cb fstat_cb,  in semihost_sys_flen()  argument
862         flen_cb(cs, -1, EBADF);  in semihost_sys_flen()
867         gdb_fstat(cs, fstat_cb, gf, fstat_addr);  in semihost_sys_flen()
870         host_flen(cs, flen_cb, gf);  in semihost_sys_flen()
873         staticfile_flen(cs, flen_cb, gf);  in semihost_sys_flen()
881 void semihost_sys_fstat(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_fstat()  argument
887         complete(cs, -1, EBADF);  in semihost_sys_fstat()
892         gdb_fstat(cs, complete, gf, addr);  in semihost_sys_fstat()
895         host_fstat(cs, complete, gf, addr);  in semihost_sys_fstat()
898         console_fstat(cs, complete, gf, addr);  in semihost_sys_fstat()
906 void semihost_sys_stat(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_stat()  argument
911         gdb_stat(cs, complete, fname, fname_len, addr);  in semihost_sys_stat()
913         host_stat(cs, complete, fname, fname_len, addr);  in semihost_sys_stat()
917 void semihost_sys_remove(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_remove()  argument
921         gdb_remove(cs, complete, fname, fname_len);  in semihost_sys_remove()
923         host_remove(cs, complete, fname, fname_len);  in semihost_sys_remove()
927 void semihost_sys_rename(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_rename()  argument
932         gdb_rename(cs, complete, oname, oname_len, nname, nname_len);  in semihost_sys_rename()
934         host_rename(cs, complete, oname, oname_len, nname, nname_len);  in semihost_sys_rename()
938 void semihost_sys_system(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_system()  argument
942         gdb_system(cs, complete, cmd, cmd_len);  in semihost_sys_system()
944         host_system(cs, complete, cmd, cmd_len);  in semihost_sys_system()
948 void semihost_sys_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_gettimeofday()  argument
952         gdb_gettimeofday(cs, complete, tv_addr, tz_addr);  in semihost_sys_gettimeofday()
954         host_gettimeofday(cs, complete, tv_addr, tz_addr);  in semihost_sys_gettimeofday()
959 void semihost_sys_poll_one(CPUState *cs, gdb_syscall_complete_cb complete,  in semihost_sys_poll_one()  argument
965         complete(cs, G_IO_NVAL, 1);  in semihost_sys_poll_one()
970         complete(cs, G_IO_NVAL, 1);  in semihost_sys_poll_one()
973         host_poll_one(cs, complete, gf, cond, timeout);  in semihost_sys_poll_one()
976         console_poll_one(cs, complete, gf, cond, timeout);  in semihost_sys_poll_one()