diff options
Diffstat (limited to 'darwin-user/syscall.c')
| -rw-r--r-- | darwin-user/syscall.c | 1566 |
1 files changed, 0 insertions, 1566 deletions
diff --git a/darwin-user/syscall.c b/darwin-user/syscall.c deleted file mode 100644 index 8a168830e9..0000000000 --- a/darwin-user/syscall.c +++ /dev/null @@ -1,1566 +0,0 @@ -/* - * 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, see <http://www.gnu.org/licenses/>. - */ -#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 <sys/xattr.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 { qemu_log(__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 { qemu_log(__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 < ARRAY_SIZE(msg_name); 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 < ARRAY_SIZE(msg_name); 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 { - uint32_t unknow1; - uint32_t max_cpus; - uint32_t avail_cpus; - uint32_t memory_size; - uint32_t cpu_type; - uint32_t cpu_subtype; - } *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(void); - - 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; -/* may need more translation if target arch is different from host */ -#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__)) - case -33: - DPRINTF("semaphore_signal_trap(0x%x)\n", arg1); - ret = semaphore_signal_trap(arg1); - break; - case -34: - DPRINTF("semaphore_signal_all_trap(0x%x)\n", arg1); - ret = semaphore_signal_all_trap(arg1); - break; - case -35: - DPRINTF("semaphore_signal_thread_trap(0x%x)\n", arg1, arg2); - ret = semaphore_signal_thread_trap(arg1,arg2); - break; -#endif - 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; -/* may need more translation if target arch is different from host */ -#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__)) - case -37: - DPRINTF("semaphore_wait_signal_trap(0x%x, 0x%x)\n", arg1, arg2); - ret = semaphore_wait_signal_trap(arg1,arg2); - break; -#endif - 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; -/* may need more translation if target arch is different from host */ -#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__)) - case -61: - DPRINTF("syscall_thread_switch(0x%x, 0x%x, 0x%x)\n", - arg1, arg2, arg3); - ret = syscall_thread_switch(arg1, arg2, arg3); // just a hint to the scheduler; can drop? - break; -#endif - 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(void); - 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, ...) STRUCT_ ## name, -#define STRUCT_SPECIAL(name) STRUCT_ ## name, -enum { -#include "ioctls_types.h" -}; -#undef STRUCT -#undef STRUCT_SPECIAL - -#define STRUCT(name, ...) const argtype struct_ ## name ## _def[] = { __VA_ARGS__, 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 - -static IOCTLEntry ioctl_entries[] = { -#define IOCTL(cmd, access, ...) \ - { cmd, cmd, #cmd, access, { __VA_ARGS__ } }, -#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.length %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(void); -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%" PRIx64 "\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, ...) WRAPPER_CALL_DIRECT_##nargs(function, __VA_ARGS__) -#define WRAPPER_CALL_NOERRNO(function, nargs, ...) WRAPPER_CALL_DIRECT(function, nargs, __VA_ARGS__) -#define WRAPPER_CALL_INDIRECT(function, nargs, ...) -#define ENTRY(name, number, function, nargs, call_type, ...) WRAPPER_##call_type(function, nargs, __VA_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, ...) 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 across 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(void) -{ - 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 defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__) - if (!is_error(ret) && bswap_syctl(name, namelen, oldp, *oldlenp) != 0) { - return -ENOTDIR; - } -#endif - - 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 */ -} |