/* * Darwin syscalls * * Copyright (c) 2003 Fabrice Bellard * Copyright (c) 2006 Pierre d'Herbemont * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <errno.h> #include <mach/host_info.h> #include <mach/mach.h> #include <mach/mach_time.h> #include <mach/message.h> #include <pthread.h> #include <dirent.h> #include <sys/stat.h> #include <sys/syscall.h> #include <sys/sysctl.h> #include <sys/types.h> #include <unistd.h> #include <sys/ioctl.h> #include <sys/mman.h> #include <sys/types.h> #include <sys/dirent.h> #include <sys/uio.h> #include <sys/termios.h> #include <sys/ptrace.h> #include <net/if.h> #include <sys/param.h> #include <sys/mount.h> #include <sys/attr.h> #include <mach/ndr.h> #include <mach/mig_errors.h> #include "qemu.h" //#define DEBUG_SYSCALL #ifdef DEBUG_SYSCALL # define DEBUG_FORCE_ENABLE_LOCAL() int __DEBUG_qemu_user_force_enable = 1 # define DEBUG_BEGIN_ENABLE __DEBUG_qemu_user_force_enable = 1; # define DEBUG_END_ENABLE __DEBUG_qemu_user_force_enable = 0; # define DEBUG_DISABLE_ALL() static int __DEBUG_qemu_user_force_enable = 0 # define DEBUG_ENABLE_ALL() static int __DEBUG_qemu_user_force_enable = 1 DEBUG_ENABLE_ALL(); # define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); \ if(__DEBUG_qemu_user_force_enable) fprintf(stderr, __VA_ARGS__); \ } while(0) #else # define DEBUG_FORCE_ENABLE_LOCAL() # define DEBUG_BEGIN_ENABLE # define DEBUG_END_ENABLE # define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); } while(0) #endif enum { bswap_out = 0, bswap_in = 1 }; extern const char *interp_prefix; static inline long get_errno(long ret) { if (ret == -1) return -errno; else return ret; } static inline int is_error(long ret) { return (unsigned long)ret >= (unsigned long)(-4096); } /* ------------------------------------------------------------ Mach syscall handling */ void static inline print_description_msg_header(mach_msg_header_t *hdr) { char *name = NULL; int i; struct { int number; char *name; } msg_name[] = { /* see http://fxr.watson.org/fxr/source/compat/mach/mach_namemap.c?v=NETBSD */ { 200, "host_info" }, { 202, "host_page_size" }, { 206, "host_get_clock_service" }, { 206, "host_get_clock_service" }, { 206, "host_get_clock_service" }, { 306, "host_get_clock_service" }, { 3204, "mach_port_allocate" }, { 3206, "mach_port_deallocate" }, { 3404, "mach_ports_lookup" }, { 3409, "mach_task_get_special_port" }, { 3414, "mach_task_get_exception_ports" }, { 3418, "mach_semaphore_create" }, { 3504, "mach_semaphore_create" }, { 3509, "mach_semaphore_create" }, { 3518, "semaphore_create" }, { 3616, "thread_policy" }, { 3801, "vm_allocate" }, { 3802, "vm_deallocate" }, { 3802, "vm_deallocate" }, { 3803, "vm_protect" }, { 3812, "vm_map" }, { 4241776, "lu_message_send_id" }, /* lookupd */ { 4241876, "lu_message_reply_id" }, /* lookupd */ }; for(i = 0; i < sizeof(msg_name)/sizeof(msg_name[0]); i++) { if(msg_name[i].number == hdr->msgh_id) { name = msg_name[i].name; break; } } if(!name) DPRINTF("unknown mach msg %d 0x%x\n", hdr->msgh_id, hdr->msgh_id); else DPRINTF("%s\n", name); #if 0 DPRINTF("Bits: %8x\n", hdr->msgh_bits); DPRINTF("Size: %8x\n", hdr->msgh_size); DPRINTF("Rmte: %8x\n", hdr->msgh_remote_port); DPRINTF("Locl: %8x\n", hdr->msgh_local_port); DPRINTF("Rsrv: %8x\n", hdr->msgh_reserved); DPRINTF("Id : %8x\n", hdr->msgh_id); NDR_record_t *ndr = (NDR_record_t *)(hdr + 1); DPRINTF("hdr = %p, sizeof(hdr) = %x, NDR = %p\n", hdr, (unsigned int)sizeof(mach_msg_header_t), ndr); DPRINTF("%d %d %d %d %d %d %d %d\n", ndr->mig_vers, ndr->if_vers, ndr->reserved1, ndr->mig_encoding, ndr->int_rep, ndr->char_rep, ndr->float_rep, ndr->reserved2); #endif } static inline void print_mach_msg_return(mach_msg_return_t ret) { int i, found = 0; #define MACH_MSG_RET(msg) { msg, #msg } struct { int code; char *name; } msg_name[] = { /* ref: http://darwinsource.opendarwin.org/10.4.2/xnu-792.2.4/osfmk/man/mach_msg.html */ /* send message */ MACH_MSG_RET(MACH_SEND_MSG_TOO_SMALL), MACH_MSG_RET(MACH_SEND_NO_BUFFER), MACH_MSG_RET(MACH_SEND_INVALID_DATA), MACH_MSG_RET(MACH_SEND_INVALID_HEADER), MACH_MSG_RET(MACH_SEND_INVALID_DEST), MACH_MSG_RET(MACH_SEND_INVALID_NOTIFY), MACH_MSG_RET(MACH_SEND_INVALID_REPLY), MACH_MSG_RET(MACH_SEND_INVALID_TRAILER), MACH_MSG_RET(MACH_SEND_INVALID_MEMORY), MACH_MSG_RET(MACH_SEND_INVALID_RIGHT), MACH_MSG_RET(MACH_SEND_INVALID_TYPE), MACH_MSG_RET(MACH_SEND_INTERRUPTED), MACH_MSG_RET(MACH_SEND_TIMED_OUT), MACH_MSG_RET(MACH_RCV_BODY_ERROR), MACH_MSG_RET(MACH_RCV_HEADER_ERROR), MACH_MSG_RET(MACH_RCV_IN_SET), MACH_MSG_RET(MACH_RCV_INTERRUPTED), MACH_MSG_RET(MACH_RCV_INVALID_DATA), MACH_MSG_RET(MACH_RCV_INVALID_NAME), MACH_MSG_RET(MACH_RCV_INVALID_NOTIFY), MACH_MSG_RET(MACH_RCV_INVALID_TRAILER), MACH_MSG_RET(MACH_RCV_INVALID_TYPE), MACH_MSG_RET(MACH_RCV_PORT_CHANGED), MACH_MSG_RET(MACH_RCV_PORT_DIED), MACH_MSG_RET(MACH_RCV_SCATTER_SMALL), MACH_MSG_RET(MACH_RCV_TIMED_OUT), MACH_MSG_RET(MACH_RCV_TOO_LARGE) }; #undef MACH_MSG_RET if( ret == MACH_MSG_SUCCESS) DPRINTF("MACH_MSG_SUCCESS\n"); else { for( i = 0; i < sizeof(msg_name)/sizeof(msg_name[0]); i++) { if(msg_name[i].code == ret) { DPRINTF("%s\n", msg_name[i].name); found = 1; break; } } if(!found) qerror("unknow mach message ret code %d\n", ret); } } static inline void swap_mach_msg_header(mach_msg_header_t *hdr) { hdr->msgh_bits = tswap32(hdr->msgh_bits); hdr->msgh_size = tswap32(hdr->msgh_size); hdr->msgh_remote_port = tswap32(hdr->msgh_remote_port); hdr->msgh_local_port = tswap32(hdr->msgh_local_port); hdr->msgh_reserved = tswap32(hdr->msgh_reserved); hdr->msgh_id = tswap32(hdr->msgh_id); } struct complex_msg { mach_msg_header_t hdr; mach_msg_body_t body; }; static inline void swap_mach_msg_body(struct complex_msg *complex_msg, int bswap) { mach_msg_port_descriptor_t *descr = (mach_msg_port_descriptor_t *)(complex_msg+1); int i,j; if(bswap == bswap_in) tswap32s(&complex_msg->body.msgh_descriptor_count); DPRINTF("body.msgh_descriptor_count %d\n", complex_msg->body.msgh_descriptor_count); for(i = 0; i < complex_msg->body.msgh_descriptor_count; i++) { switch(descr->type) { case MACH_MSG_PORT_DESCRIPTOR: tswap32s(&descr->name); descr++; break; case MACH_MSG_OOL_DESCRIPTOR: { mach_msg_ool_descriptor_t *ool = (void *)descr; tswap32s((uint32_t *)&ool->address); tswap32s(&ool->size); descr = (mach_msg_port_descriptor_t *)(ool+1); break; } case MACH_MSG_OOL_PORTS_DESCRIPTOR: { mach_msg_ool_ports_descriptor_t *ool_ports = (void *)descr; mach_port_name_t * port_names; if(bswap == bswap_in) { tswap32s((uint32_t *)&ool_ports->address); tswap32s(&ool_ports->count); } port_names = ool_ports->address; for(j = 0; j < ool_ports->count; j++) tswap32s(&port_names[j]); if(bswap == bswap_out) { tswap32s((uint32_t *)&ool_ports->address); tswap32s(&ool_ports->count); } descr = (mach_msg_port_descriptor_t *)(ool_ports+1); break; } default: qerror("unknow mach msg descriptor type %x\n", descr->type); } } if(bswap == bswap_out) tswap32s(&complex_msg->body.msgh_descriptor_count); } static inline void swap_mach_msg(mach_msg_header_t *hdr, int bswap) { if (bswap == bswap_out && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX) swap_mach_msg_body((struct complex_msg *)hdr, bswap); swap_mach_msg_header(hdr); if (bswap == bswap_in && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX) swap_mach_msg_body((struct complex_msg *)hdr, bswap); } static inline uint32_t target_mach_msg_trap( mach_msg_header_t *hdr, uint32_t options, uint32_t send_size, uint32_t rcv_size, uint32_t rcv_name, uint32_t time_out, uint32_t notify) { extern int mach_msg_trap(mach_msg_header_t *, mach_msg_option_t, mach_msg_size_t, mach_msg_size_t, mach_port_t, mach_msg_timeout_t, mach_port_t); mach_msg_audit_trailer_t *trailer; mach_msg_id_t msg_id; uint32_t ret = 0; int i; swap_mach_msg(hdr, bswap_in); msg_id = hdr->msgh_id; print_description_msg_header(hdr); ret = mach_msg_trap(hdr, options, send_size, rcv_size, rcv_name, time_out, notify); print_mach_msg_return(ret); if( (options & MACH_RCV_MSG) && (REQUESTED_TRAILER_SIZE(options) > 0) ) { /* XXX: the kernel always return the full trailer with MACH_SEND_MSG, so we should probably always bswap it */ /* warning: according to Mac OS X Internals (the book) msg_size might be expressed in natural_t units but according to xnu/osfmk/mach/message.h: "The size of the message must be specified in bytes" */ trailer = (mach_msg_audit_trailer_t *)((uint8_t *)hdr + hdr->msgh_size); /* XXX: Should probably do that based on the option asked by the sender, but dealing with kernel answer seems more sound */ switch(trailer->msgh_trailer_size) { case sizeof(mach_msg_audit_trailer_t): for(i = 0; i < 8; i++) tswap32s(&trailer->msgh_audit.val[i]); /* Fall in mach_msg_security_trailer_t case */ case sizeof(mach_msg_security_trailer_t): tswap32s(&trailer->msgh_sender.val[0]); tswap32s(&trailer->msgh_sender.val[1]); /* Fall in mach_msg_seqno_trailer_t case */ case sizeof(mach_msg_seqno_trailer_t): tswap32s(&trailer->msgh_seqno); /* Fall in mach_msg_trailer_t case */ case sizeof(mach_msg_trailer_t): tswap32s(&trailer->msgh_trailer_type); tswap32s(&trailer->msgh_trailer_size); break; case 0: /* Safer not to byteswap, but probably wrong */ break; default: qerror("unknow trailer type given its size %d\n", trailer->msgh_trailer_size); break; } } /* Special message handling */ switch (msg_id) { case 200: /* host_info */ { mig_reply_error_t *err = (mig_reply_error_t *)hdr; struct host_basic_info *data = (void *)(err+1); DPRINTF("maxcpu = 0x%x\n", data->max_cpus); DPRINTF("numcpu = 0x%x\n", data->avail_cpus); DPRINTF("memsize = 0x%x\n", data->memory_size); #if defined(TARGET_I386) data->cpu_type = CPU_TYPE_I386; DPRINTF("cpu_type changed to 0x%x(i386)\n", data->cpu_type); data->cpu_subtype = CPU_SUBTYPE_PENT; DPRINTF("cpu_subtype changed to 0x%x(i386_pent)\n", data->cpu_subtype); #elif defined(TARGET_PPC) data->cpu_type = CPU_TYPE_POWERPC; DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type); data->cpu_subtype = CPU_SUBTYPE_POWERPC_750; DPRINTF("cpu_subtype changed to 0x%x(ppc_all)\n", data->cpu_subtype); #else # error target not supported #endif break; } case 202: /* host_page_size */ { mig_reply_error_t *err = (mig_reply_error_t *)hdr; uint32_t *pagesize = (uint32_t *)(err+1); DPRINTF("pagesize = %d\n", *pagesize); break; } default: break; } swap_mach_msg(hdr, bswap_out); return ret; } long do_mach_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3, uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, uint32_t arg8) { extern uint32_t mach_reply_port(); long ret = 0; arg1 = tswap32(arg1); arg2 = tswap32(arg2); arg3 = tswap32(arg3); arg4 = tswap32(arg4); arg5 = tswap32(arg5); arg6 = tswap32(arg6); arg7 = tswap32(arg7); arg8 = tswap32(arg8); DPRINTF("mach syscall %d : " , num); switch(num) { /* see xnu/osfmk/mach/syscall_sw.h */ case -26: DPRINTF("mach_reply_port()\n"); ret = mach_reply_port(); break; case -27: DPRINTF("mach_thread_self()\n"); ret = mach_thread_self(); break; case -28: DPRINTF("mach_task_self()\n"); ret = mach_task_self(); break; case -29: DPRINTF("mach_host_self()\n"); ret = mach_host_self(); break; case -31: DPRINTF("mach_msg_trap(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n", arg1, arg2, arg3, arg4, arg5, arg6, arg7); ret = target_mach_msg_trap((mach_msg_header_t *)arg1, arg2, arg3, arg4, arg5, arg6, arg7); break; case -36: DPRINTF("semaphore_wait_trap(0x%x)\n", arg1); extern int semaphore_wait_trap(int); // XXX: is there any header for that? ret = semaphore_wait_trap(arg1); break; case -43: DPRINTF("map_fd(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n", arg1, arg2, arg3, arg4, arg5); ret = map_fd(arg1, arg2, (void*)arg3, arg4, arg5); tswap32s((uint32_t*)arg3); break; case -89: DPRINTF("mach_timebase_info(0x%x)\n", arg1); struct mach_timebase_info info; ret = mach_timebase_info(&info); if(!is_error(ret)) { struct mach_timebase_info *outInfo = (void*)arg1; outInfo->numer = tswap32(info.numer); outInfo->denom = tswap32(info.denom); } break; case -90: DPRINTF("mach_wait_until()\n"); extern int mach_wait_until(uint64_t); // XXX: is there any header for that? ret = mach_wait_until(((uint64_t)arg2<<32) | (uint64_t)arg1); break; case -91: DPRINTF("mk_timer_create()\n"); extern int mk_timer_create(); // XXX: is there any header for that? ret = mk_timer_create(); break; case -92: DPRINTF("mk_timer_destroy()\n"); extern int mk_timer_destroy(int); // XXX: is there any header for that? ret = mk_timer_destroy(arg1); break; case -93: DPRINTF("mk_timer_create()\n"); extern int mk_timer_arm(int, uint64_t); // XXX: is there any header for that? ret = mk_timer_arm(arg1, ((uint64_t)arg3<<32) | (uint64_t)arg2); break; case -94: DPRINTF("mk_timer_cancel()\n"); extern int mk_timer_cancel(int, uint64_t *); // XXX: is there any header for that? ret = mk_timer_cancel(arg1, (uint64_t *)arg2); if((!is_error(ret)) && arg2) tswap64s((uint64_t *)arg2); break; default: gemu_log("qemu: Unsupported mach syscall: %d(0x%x)\n", num, num); gdb_handlesig (cpu_env, SIGTRAP); exit(0); break; } return ret; } /* ------------------------------------------------------------ thread type syscall handling */ long do_thread_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3, uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, uint32_t arg8) { extern uint32_t cthread_set_self(uint32_t); extern uint32_t processor_facilities_used(); long ret = 0; arg1 = tswap32(arg1); arg2 = tswap32(arg2); arg3 = tswap32(arg3); arg4 = tswap32(arg4); arg5 = tswap32(arg5); arg6 = tswap32(arg6); arg7 = tswap32(arg7); arg8 = tswap32(arg8); DPRINTF("thread syscall %d : " , num); switch(num) { #ifdef TARGET_I386 case 0x3: #endif case 0x7FF1: /* cthread_set_self */ DPRINTF("cthread_set_self(0x%x)\n", (unsigned int)arg1); ret = cthread_set_self(arg1); #ifdef TARGET_I386 /* we need to update the LDT with the address of the thread */ write_dt((void *)(((CPUX86State *) cpu_env)->ldt.base + (4 * sizeof(uint64_t))), arg1, 1, DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); /* New i386 convention, %gs should be set to our this LDT entry */ cpu_x86_load_seg(cpu_env, R_GS, 0x27); /* Old i386 convention, the kernel returns the selector for the cthread (pre-10.4.8?)*/ ret = 0x27; #endif break; case 0x7FF2: /* Called the super-fast pthread_self handler by the apple guys */ DPRINTF("pthread_self()\n"); ret = (uint32_t)pthread_self(); break; case 0x7FF3: DPRINTF("processor_facilities_used()\n"); #ifdef __i386__ qerror("processor_facilities_used: not implemented!\n"); #else ret = (uint32_t)processor_facilities_used(); #endif break; default: gemu_log("qemu: Unsupported thread syscall: %d(0x%x)\n", num, num); gdb_handlesig (cpu_env, SIGTRAP); exit(0); break; } return ret; } /* ------------------------------------------------------------ ioctl handling */ static inline void byteswap_termios(struct termios *t) { tswap32s((uint32_t*)&t->c_iflag); tswap32s((uint32_t*)&t->c_oflag); tswap32s((uint32_t*)&t->c_cflag); tswap32s((uint32_t*)&t->c_lflag); /* 20 (char) bytes then */ tswap32s((uint32_t*)&t->c_ispeed); tswap32s((uint32_t*)&t->c_ospeed); } static inline void byteswap_winsize(struct winsize *w) { tswap16s(&w->ws_row); tswap16s(&w->ws_col); tswap16s(&w->ws_xpixel); tswap16s(&w->ws_ypixel); } #define STRUCT(name, list...) STRUCT_ ## name, #define STRUCT_SPECIAL(name) STRUCT_ ## name, enum { #include "ioctls_types.h" }; #undef STRUCT #undef STRUCT_SPECIAL #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; #define STRUCT_SPECIAL(name) #include "ioctls_types.h" #undef STRUCT #undef STRUCT_SPECIAL typedef struct IOCTLEntry { unsigned int target_cmd; unsigned int host_cmd; const char *name; int access; const argtype arg_type[5]; } IOCTLEntry; #define IOC_R 0x0001 #define IOC_W 0x0002 #define IOC_RW (IOC_R | IOC_W) #define MAX_STRUCT_SIZE 4096 IOCTLEntry ioctl_entries[] = { #define IOCTL(cmd, access, types...) \ { cmd, cmd, #cmd, access, { types } }, #include "ioctls.h" { 0, 0, }, }; /* ??? Implement proper locking for ioctls. */ static long do_ioctl(long fd, long cmd, long arg) { const IOCTLEntry *ie; const argtype *arg_type; int ret; uint8_t buf_temp[MAX_STRUCT_SIZE]; int target_size; void *argptr; ie = ioctl_entries; for(;;) { if (ie->target_cmd == 0) { gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); return -ENOSYS; } if (ie->target_cmd == cmd) break; ie++; } arg_type = ie->arg_type; #if defined(DEBUG) gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); #endif switch(arg_type[0]) { case TYPE_NULL: /* no argument */ ret = get_errno(ioctl(fd, ie->host_cmd)); break; case TYPE_PTRVOID: case TYPE_INT: /* int argment */ ret = get_errno(ioctl(fd, ie->host_cmd, arg)); break; case TYPE_PTR: arg_type++; target_size = thunk_type_size(arg_type, 0); switch(ie->access) { case IOC_R: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); if (!is_error(ret)) { argptr = lock_user(arg, target_size, 0); thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); unlock_user(argptr, arg, target_size); } break; case IOC_W: argptr = lock_user(arg, target_size, 1); thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); unlock_user(argptr, arg, 0); ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); break; default: case IOC_RW: argptr = lock_user(arg, target_size, 1); thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); unlock_user(argptr, arg, 0); ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); if (!is_error(ret)) { argptr = lock_user(arg, target_size, 0); thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); unlock_user(argptr, arg, target_size); } break; } break; default: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); ret = -ENOSYS; break; } return ret; } /* ------------------------------------------------------------ Unix syscall handling */ static inline void byteswap_attrlist(struct attrlist *a) { tswap16s(&a->bitmapcount); tswap16s(&a->reserved); tswap32s(&a->commonattr); tswap32s(&a->volattr); tswap32s(&a->dirattr); tswap32s(&a->fileattr); tswap32s(&a->forkattr); } struct attrbuf_header { unsigned long length; }; static inline void byteswap_attrbuf(struct attrbuf_header *attrbuf, struct attrlist *attrlist) { DPRINTF("attrBuf.lenght %lx\n", attrbuf->length); } static inline void byteswap_statfs(struct statfs *s) { tswap16s((uint16_t*)&s->f_otype); tswap16s((uint16_t*)&s->f_oflags); tswap32s((uint32_t*)&s->f_bsize); tswap32s((uint32_t*)&s->f_iosize); tswap32s((uint32_t*)&s->f_blocks); tswap32s((uint32_t*)&s->f_bfree); tswap32s((uint32_t*)&s->f_bavail); tswap32s((uint32_t*)&s->f_files); tswap32s((uint32_t*)&s->f_ffree); tswap32s((uint32_t*)&s->f_fsid.val[0]); tswap32s((uint32_t*)&s->f_fsid.val[1]); tswap16s((uint16_t*)&s->f_reserved1); tswap16s((uint16_t*)&s->f_type); tswap32s((uint32_t*)&s->f_flags); } static inline void byteswap_stat(struct stat *s) { tswap32s((uint32_t*)&s->st_dev); tswap32s(&s->st_ino); tswap16s(&s->st_mode); tswap16s(&s->st_nlink); tswap32s(&s->st_uid); tswap32s(&s->st_gid); tswap32s((uint32_t*)&s->st_rdev); tswap32s((uint32_t*)&s->st_atimespec.tv_sec); tswap32s((uint32_t*)&s->st_atimespec.tv_nsec); tswap32s((uint32_t*)&s->st_mtimespec.tv_sec); tswap32s((uint32_t*)&s->st_mtimespec.tv_nsec); tswap32s((uint32_t*)&s->st_ctimespec.tv_sec); tswap32s((uint32_t*)&s->st_ctimespec.tv_nsec); tswap64s((uint64_t*)&s->st_size); tswap64s((uint64_t*)&s->st_blocks); tswap32s((uint32_t*)&s->st_blksize); tswap32s(&s->st_flags); tswap32s(&s->st_gen); } static inline void byteswap_dirents(struct dirent *d, int bytes) { char *b; for( b = (char*)d; (int)b < (int)d+bytes; ) { unsigned short s = ((struct dirent *)b)->d_reclen; tswap32s(&((struct dirent *)b)->d_ino); tswap16s(&((struct dirent *)b)->d_reclen); if(s<=0) break; b += s; } } static inline void byteswap_iovec(struct iovec *v, int n) { int i; for(i = 0; i < n; i++) { tswap32s((uint32_t*)&v[i].iov_base); tswap32s((uint32_t*)&v[i].iov_len); } } static inline void byteswap_timeval(struct timeval *t) { tswap32s((uint32_t*)&t->tv_sec); tswap32s((uint32_t*)&t->tv_usec); } long do_unix_syscall_indirect(void *cpu_env, int num); long do_sync(); long do_exit(uint32_t arg1); long do_getlogin(char *out, uint32_t size); long do_open(char * arg1, uint32_t arg2, uint32_t arg3); long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3); long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3); long do_execve(char* arg1, char ** arg2, char ** arg3); long do_getgroups(uint32_t arg1, gid_t * arg2); long do_gettimeofday(struct timeval * arg1, void * arg2); long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3); long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3); long do_utimes(char * arg1, struct timeval * arg2); long do_futimes(uint32_t arg1, struct timeval * arg2); long do_statfs(char * arg1, struct statfs * arg2); long do_fstatfs(uint32_t arg1, struct statfs * arg2); long do_stat(char * arg1, struct stat * arg2); long do_fstat(uint32_t arg1, struct stat * arg2); long do_lstat(char * arg1, struct stat * arg2); long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4); long do_lseek(void *cpu_env, int num); long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */); long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5); long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8); long do_fcntl(int fd, int cmd, int arg); long no_syscall(void *cpu_env, int num); long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4) { DPRINTF("0x%x, %p, 0x%lx, 0x%llx\n", arg1, arg2, arg3, arg4); long ret = pread(arg1, arg2, arg3, arg4); return ret; } long do_read(int d, void *buf, size_t nbytes) { DPRINTF("0x%x, %p, 0x%lx\n", d, buf, nbytes); long ret = get_errno(read(d, buf, nbytes)); if(!is_error(ret)) DPRINTF("%x\n", *(uint32_t*)buf); return ret; } long unimpl_unix_syscall(void *cpu_env, int num); typedef long (*syscall_function_t)(void *cpu_env, int num); /* define a table that will handle the syscall number->function association */ #define VOID void #define INT (uint32_t)get_int_arg(&i, cpu_env) #define INT64 (uint64_t)get_int64_arg(&i, cpu_env) #define UINT (unsigned int)INT #define PTR (void*)INT #define SIZE INT #define OFFSET INT64 #define WRAPPER_CALL_DIRECT_0(function, args) long __qemu_##function(void *cpu_env) { return (long)function(); } #define WRAPPER_CALL_DIRECT_1(function, _arg1) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; return (long)function(arg1); } #define WRAPPER_CALL_DIRECT_2(function, _arg1, _arg2) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; return (long)function(arg1, arg2); } #define WRAPPER_CALL_DIRECT_3(function, _arg1, _arg2, _arg3) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; return (long)function(arg1, arg2, arg3); } #define WRAPPER_CALL_DIRECT_4(function, _arg1, _arg2, _arg3, _arg4) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; return (long)function(arg1, arg2, arg3, arg4); } #define WRAPPER_CALL_DIRECT_5(function, _arg1, _arg2, _arg3, _arg4, _arg5) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; return (long)function(arg1, arg2, arg3, arg4, arg5); } #define WRAPPER_CALL_DIRECT_6(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6); } #define WRAPPER_CALL_DIRECT_7(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7); } #define WRAPPER_CALL_DIRECT_8(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7, _arg8) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; typeof(_arg8) arg8 = _arg8; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); } #define WRAPPER_CALL_DIRECT(function, nargs, args...) WRAPPER_CALL_DIRECT_##nargs(function, args) #define WRAPPER_CALL_NOERRNO(function, nargs, args...) WRAPPER_CALL_DIRECT(function, nargs, args) #define WRAPPER_CALL_INDIRECT(function, nargs, args...) #define ENTRY(name, number, function, nargs, call_type, args...) WRAPPER_##call_type(function, nargs, args) #include "syscalls.h" #undef ENTRY #undef WRAPPER_CALL_DIRECT #undef WRAPPER_CALL_NOERRNO #undef WRAPPER_CALL_INDIRECT #undef OFFSET #undef SIZE #undef INT #undef PTR #undef INT64 #define _ENTRY(name, number, function, nargs, call_type) [number] = {\ name, \ number, \ (syscall_function_t)function, \ nargs, \ call_type \ }, #define ENTRY_CALL_DIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, __qemu_##function, nargs, call_type) #define ENTRY_CALL_NOERRNO(name, number, function, nargs, call_type) ENTRY_CALL_DIRECT(name, number, function, nargs, call_type) #define ENTRY_CALL_INDIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, function, nargs, call_type) #define ENTRY(name, number, function, nargs, call_type, args...) ENTRY_##call_type(name, number, function, nargs, call_type) #define CALL_DIRECT 1 #define CALL_INDIRECT 2 #define CALL_NOERRNO (CALL_DIRECT | 4 /* = 5 */) struct unix_syscall { char * name; int number; syscall_function_t function; int nargs; int call_type; } unix_syscall_table[SYS_MAXSYSCALL] = { #include "syscalls.h" }; #undef ENTRY #undef _ENTRY #undef ENTRY_CALL_DIRECT #undef ENTRY_CALL_INDIRECT #undef ENTRY_CALL_NOERRNO /* Actual syscalls implementation */ long do_unix_syscall_indirect(void *cpu_env, int num) { long ret; int new_num; int i = 0; new_num = get_int_arg(&i, cpu_env); #ifdef TARGET_I386 ((CPUX86State*)cpu_env)->regs[R_ESP] += 4; /* XXX: not necessary */ ((CPUX86State*)cpu_env)->regs[R_EAX] = new_num; #elif TARGET_PPC { int i; uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr; for(i = 3; i < 11; i++) *regs[i] = *regs[i+1]; /* XXX: not necessary */ *regs[0] = new_num; } #endif ret = do_unix_syscall(cpu_env, new_num); #ifdef TARGET_I386 ((CPUX86State*)cpu_env)->regs[R_ESP] -= 4; /* XXX: not necessary */ ((CPUX86State*)cpu_env)->regs[R_EAX] = num; #elif TARGET_PPC { int i; /* XXX: not really needed those regs are volatile accross calls */ uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr; for(i = 11; i > 3; i--) *regs[i] = *regs[i-1]; regs[3] = new_num; *regs[0] = num; } #endif return ret; } long do_exit(uint32_t arg1) { exit(arg1); /* not reached */ return -1; } long do_sync() { sync(); return 0; } long do_getlogin(char *out, uint32_t size) { char *login = getlogin(); if(!login) return -1; memcpy(out, login, size); return 0; } long do_open(char * arg1, uint32_t arg2, uint32_t arg3) { /* XXX: don't let the %s stay in there */ DPRINTF("open(%s, 0x%x, 0x%x)\n", arg1, arg2, arg3); return get_errno(open(arg1, arg2, arg3)); } long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3) { long ret; DPRINTF("getfsstat(%p, 0x%x, 0x%x)\n", arg1, arg2, arg3); ret = get_errno(getfsstat(arg1, arg2, arg3)); if((!is_error(ret)) && arg1) byteswap_statfs(arg1); return ret; } long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3) { long ret; DPRINTF("sigprocmask(%d, %p, %p)\n", arg1, arg2, arg3); gemu_log("XXX: sigprocmask not tested (%d, %p, %p)\n", arg1, arg2, arg3); if(arg2) tswap32s(arg2); ret = get_errno(sigprocmask(arg1, (void *)arg2, (void *)arg3)); if((!is_error(ret)) && arg3) tswap32s(arg3); if(arg2) tswap32s(arg2); return ret; } long do_execve(char* arg1, char ** arg2, char ** arg3) { long ret; char **argv = arg2; char **envp = arg3; int argc; int envc; /* XXX: don't let the %s stay in here */ DPRINTF("execve(%s, %p, %p)\n", arg1, arg2, arg3); for(argc = 0; argv[argc]; argc++); for(envc = 0; envp[envc]; envc++); argv = (char**)malloc(sizeof(char*)*argc); envp = (char**)malloc(sizeof(char*)*envc); for(; argc >= 0; argc--) argv[argc] = (char*)tswap32((uint32_t)(arg2)[argc]); for(; envc >= 0; envc--) envp[envc] = (char*)tswap32((uint32_t)(arg3)[envc]); ret = get_errno(execve(arg1, argv, envp)); free(argv); free(envp); return ret; } long do_getgroups(uint32_t arg1, gid_t * arg2) { long ret; int i; DPRINTF("getgroups(0x%x, %p)\n", arg1, arg2); ret = get_errno(getgroups(arg1, arg2)); if(ret > 0) for(i = 0; i < arg1; i++) tswap32s(&arg2[i]); return ret; } long do_gettimeofday(struct timeval * arg1, void * arg2) { long ret; DPRINTF("gettimeofday(%p, %p)\n", arg1, arg2); ret = get_errno(gettimeofday(arg1, arg2)); if(!is_error(ret)) { /* timezone no longer used according to the manpage, so don't bother with it */ byteswap_timeval(arg1); } return ret; } long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3) { long ret; DPRINTF("readv(0x%x, %p, 0x%x)\n", arg1, arg2, arg3); if(arg2) byteswap_iovec(arg2, arg3); ret = get_errno(readv(arg1, arg2, arg3)); if((!is_error(ret)) && arg2) byteswap_iovec(arg2, arg3); return ret; } long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3) { long ret; DPRINTF("writev(0x%x, %p, 0x%x)\n", arg1, arg2, arg3); if(arg2) byteswap_iovec(arg2, arg3); ret = get_errno(writev(arg1, arg2, arg3)); if((!is_error(ret)) && arg2) byteswap_iovec(arg2, arg3); return ret; } long do_utimes(char * arg1, struct timeval * arg2) { DPRINTF("utimes(%p, %p)\n", arg1, arg2); if(arg2) { byteswap_timeval(arg2); byteswap_timeval(arg2+1); } return get_errno(utimes(arg1, arg2)); } long do_futimes(uint32_t arg1, struct timeval * arg2) { DPRINTF("futimes(0x%x, %p)\n", arg1, arg2); if(arg2) { byteswap_timeval(arg2); byteswap_timeval(arg2+1); } return get_errno(futimes(arg1, arg2)); } long do_statfs(char * arg1, struct statfs * arg2) { long ret; DPRINTF("statfs(%p, %p)\n", arg1, arg2); ret = get_errno(statfs(arg1, arg2)); if(!is_error(ret)) byteswap_statfs(arg2); return ret; } long do_fstatfs(uint32_t arg1, struct statfs* arg2) { long ret; DPRINTF("fstatfs(0x%x, %p)\n", arg1, arg2); ret = get_errno(fstatfs(arg1, arg2)); if(!is_error(ret)) byteswap_statfs(arg2); return ret; } long do_stat(char * arg1, struct stat * arg2) { long ret; /* XXX: don't let the %s stay in there */ DPRINTF("stat(%s, %p)\n", arg1, arg2); ret = get_errno(stat(arg1, arg2)); if(!is_error(ret)) byteswap_stat(arg2); return ret; } long do_fstat(uint32_t arg1, struct stat * arg2) { long ret; DPRINTF("fstat(0x%x, %p)\n", arg1, arg2); ret = get_errno(fstat(arg1, arg2)); if(!is_error(ret)) byteswap_stat(arg2); return ret; } long do_lstat(char * arg1, struct stat * arg2) { long ret; /* XXX: don't let the %s stay in there */ DPRINTF("lstat(%s, %p)\n", (const char *)arg1, arg2); ret = get_errno(lstat(arg1, arg2)); if(!is_error(ret)) byteswap_stat(arg2); return ret; } long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4) { long ret; DPRINTF("getdirentries(0x%x, %p, 0x%x, %p)\n", arg1, arg2, arg3, arg4); if(arg4) tswap32s((uint32_t *)arg4); ret = get_errno(getdirentries(arg1, arg2, arg3, arg4)); if(arg4) tswap32s((uint32_t *)arg4); if(!is_error(ret)) byteswap_dirents(arg2, ret); return ret; } long do_lseek(void *cpu_env, int num) { long ret; int i = 0; uint32_t arg1 = get_int_arg(&i, cpu_env); uint64_t offset = get_int64_arg(&i, cpu_env); uint32_t arg3 = get_int_arg(&i, cpu_env); uint64_t r = lseek(arg1, offset, arg3); #ifdef TARGET_I386 /* lowest word in eax, highest in edx */ ret = r & 0xffffffff; /* will be set to eax after do_unix_syscall exit */ ((CPUX86State *)cpu_env)->regs[R_EDX] = (uint32_t)((r >> 32) & 0xffffffff) ; #elif defined TARGET_PPC ret = r & 0xffffffff; /* will be set to r3 after do_unix_syscall exit */ ((CPUPPCState *)cpu_env)->gpr[4] = (uint32_t)((r >> 32) & 0xffffffff) ; #else qerror("64 bit ret value on your arch?"); #endif return get_errno(ret); } void no_swap(void * oldp, int size) { } void sysctl_tswap32s(void * oldp, int size) { tswap32s(oldp); } void bswap_oid(uint32_t * oldp, int size) { int count = size / sizeof(int); int i = 0; do { tswap32s(oldp + i); } while (++i < count); } void sysctl_usrstack(uint32_t * oldp, int size) { DPRINTF("sysctl_usrstack: 0x%x\n", *oldp); tswap32s(oldp); } void sysctl_ncpu(uint32_t * ncpu, int size) { *ncpu = 0x1; DPRINTF("sysctl_ncpu: 0x%x\n", *ncpu); tswap32s(ncpu); } void sysctl_exec(char * exec, int size) { DPRINTF("sysctl_exec: %s\n", exec); } void sysctl_translate(char * exec, int size) { DPRINTF("sysctl_translate: %s\n", exec); } struct sysctl_dir { int num; const char * name; void (*swap_func)(void *, int); struct sysctl_dir *childs; }; #define ENTRYD(num, name, childs) { num, name, NULL, childs } #define ENTRYE(num, name, func) { num, name, (void (*)(void *, int))func, NULL } struct sysctl_dir sysctls_unspec[] = { ENTRYE(3, "oip", bswap_oid), { 0, NULL, NULL, NULL } }; struct sysctl_dir sysctls_kern[] = { ENTRYE(KERN_TRANSLATE, "translate", sysctl_translate), /* 44 */ ENTRYE(KERN_EXEC, "exec", sysctl_exec), /* 45 */ ENTRYE(KERN_USRSTACK32, "KERN_USRSTACK32", sysctl_usrstack), /* 35 */ ENTRYE(KERN_SHREG_PRIVATIZABLE, "KERN_SHREG_PRIVATIZABLE", sysctl_tswap32s), /* 54 */ { 0, NULL, NULL, NULL } }; struct sysctl_dir sysctls_hw[] = { ENTRYE(HW_NCPU, "ncpud", sysctl_tswap32s), ENTRYE(104, "104", no_swap), ENTRYE(105, "105", no_swap), { 0, NULL, NULL, NULL } }; struct sysctl_dir sysctls[] = { ENTRYD(CTL_UNSPEC, "unspec", sysctls_unspec), ENTRYD(CTL_KERN, "kern", sysctls_kern), ENTRYD(CTL_HW, "hw", sysctls_hw ), { 0, NULL, NULL, NULL } }; #undef ENTRYE #undef ENTRYD static inline struct sysctl_dir * get_sysctl_entry_for_mib(int mib, struct sysctl_dir * sysctl_elmt) { if(!sysctl_elmt) return NULL; for(; sysctl_elmt->name != NULL ; sysctl_elmt++) { if(sysctl_elmt->num == mib) return sysctl_elmt; } return NULL; } static inline long bswap_syctl(int * mib, int count, void *buf, int size) { int i; struct sysctl_dir * sysctl = sysctls; struct sysctl_dir * ret = NULL; for(i = 0; i < count; i++) { if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))) { gemu_log("bswap_syctl: can't find mib %d\n", mib[i]); return -ENOTDIR; } if(!(sysctl = sysctl->childs)) break; } if(ret->childs) qerror("we shouldn't have a directory element\n"); ret->swap_func(buf, size); return 0; } static inline void print_syctl(int * mib, int count) { int i; struct sysctl_dir * sysctl = sysctls; struct sysctl_dir * ret = NULL; for(i = 0; i < count; i++) { if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))){ gemu_log("print_syctl: can't find mib %d\n", mib[i]); return; } DPRINTF("%s.", sysctl->name); if(!(sysctl = sysctl->childs)) break; } DPRINTF("\n"); } long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */) { long ret = 0; int i; DPRINTF("sysctl(%p, 0x%x, %p, %p, %p, 0x%lx)\n", name, namelen, oldp, oldlenp, newp, newlen); if(name) { i = 0; do { tswap32s( name + i); } while (++i < namelen); print_syctl(name, namelen); //bswap_syctl(name, namelen, newp, newlen); tswap32s((uint32_t*)oldlenp); } if(name) /* Sometimes sysctl is called with no arg1, ignore */ ret = get_errno(sysctl(name, namelen, oldp, oldlenp, newp, newlen)); if (!is_error(ret) && bswap_syctl(name, namelen, oldp, *oldlenp) != 0) { return -ENOTDIR; } if(name) { //bswap_syctl(name, namelen, newp, newlen); tswap32s((uint32_t*)oldlenp); i = 0; do { tswap32s( name + i); } while (++i < namelen); } return ret; } long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5) { struct attrlist * attrlist = (void *)arg2; long ret; #if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__) gemu_log("SYS_getdirentriesattr unimplemented\n"); return -ENOTSUP; #endif /* XXX: don't let the %s stay in there */ DPRINTF("getattrlist(%s, %p, %p, 0x%x, 0x%x)\n", (char *)arg1, arg2, arg3, arg4, arg5); if(arg2) /* XXX: We should handle that in a copy especially if the structure is not writable */ byteswap_attrlist(attrlist); ret = get_errno(getattrlist((const char* )arg1, attrlist, (void *)arg3, arg4, arg5)); if(!is_error(ret)) { byteswap_attrbuf((void *)arg3, attrlist); byteswap_attrlist(attrlist); } return ret; } long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8) { DPRINTF("getdirentriesattr(0x%x, %p, %p, 0x%lx, %p, %p, %p, 0x%x)\n", arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); #if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__) qerror("SYS_getdirentriesattr unimplemented\n"); #endif return get_errno(getdirentriesattr( arg1, (struct attrlist * )arg2, (void *)arg3, arg4, (unsigned long *)arg5, (unsigned long *)arg6, (unsigned long *)arg7, arg8)); } static inline void bswap_flock(struct flock *f) { tswap64s(&f->l_start); tswap64s(&f->l_len); tswap32s(&f->l_pid); tswap16s(&f->l_type); tswap16s(&f->l_whence); } static inline void bswap_fstore(struct fstore *f) { tswap32s(&f->fst_flags); tswap32s(&f->fst_posmode); tswap64s(&f->fst_offset); tswap64s(&f->fst_length); tswap64s(&f->fst_bytesalloc); } static inline void bswap_radvisory(struct radvisory *f) { tswap64s(&f->ra_offset); tswap32s(&f->ra_count); } static inline void bswap_fbootstraptransfer(struct fbootstraptransfer *f) { tswap64s(&f->fbt_offset); tswap32s((uint32_t*)&f->fbt_length); tswap32s((uint32_t*)&f->fbt_buffer); /* XXX: this is a ptr */ } static inline void bswap_log2phys(struct log2phys *f) { tswap32s(&f->l2p_flags); tswap64s(&f->l2p_contigbytes); tswap64s(&f->l2p_devoffset); } static inline void bswap_fcntl_arg(int cmd, void * arg) { switch(cmd) { case F_DUPFD: case F_GETFD: case F_SETFD: case F_GETFL: case F_SETFL: case F_GETOWN: case F_SETOWN: case F_SETSIZE: case F_RDAHEAD: case F_FULLFSYNC: break; case F_GETLK: case F_SETLK: case F_SETLKW: bswap_flock(arg); break; case F_PREALLOCATE: bswap_fstore(arg); break; case F_RDADVISE: bswap_radvisory(arg); break; case F_READBOOTSTRAP: case F_WRITEBOOTSTRAP: bswap_fbootstraptransfer(arg); break; case F_LOG2PHYS: bswap_log2phys(arg); break; default: gemu_log("unknow cmd in fcntl\n"); } } long do_fcntl(int fd, int cmd, int arg) { long ret; bswap_fcntl_arg(cmd, (void *)arg); ret = get_errno(fcntl(fd, cmd, arg)); if(!is_error(ret)) bswap_fcntl_arg(cmd, (void *)arg); return ret; } long no_syscall(void *cpu_env, int num) { /* XXX: We should probably fordward it to the host kernel */ qerror("no unix syscall %d\n", num); /* not reached */ return -1; } long unimpl_unix_syscall(void *cpu_env, int num) { if( (num < 0) || (num > SYS_MAXSYSCALL-1) ) qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1); gemu_log("qemu: Unsupported unix syscall %s %d\n", unix_syscall_table[num].name , num); gdb_handlesig (cpu_env, SIGTRAP); exit(-1); } long do_unix_syscall(void *cpu_env, int num) { long ret = 0; DPRINTF("unix syscall %d: " , num); if( (num < 0) || (num > SYS_MAXSYSCALL-1) ) qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1); DPRINTF("%s [%s]", unix_syscall_table[num].name, unix_syscall_table[num].call_type & CALL_DIRECT ? "direct" : "indirect" ); ret = unix_syscall_table[num].function(cpu_env, num); if(!(unix_syscall_table[num].call_type & CALL_NOERRNO)) ret = get_errno(ret); DPRINTF("[returned 0x%x(%d)]\n", (int)ret, (int)ret); return ret; } /* ------------------------------------------------------------ syscall_init */ void syscall_init(void) { /* Nothing yet */ }