Darwin userspace emulation, by Pierre d'Herbemont.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2332 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/darwin-user/syscall.c b/darwin-user/syscall.c
new file mode 100644
index 0000000..50725e6
--- /dev/null
+++ b/darwin-user/syscall.c
@@ -0,0 +1,1315 @@
+/*
+ * 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/message.h>
+#include <mach/mach.h>
+#include <mach/mach_time.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[0].code & ret) {
+ DPRINTF("%s ", msg_name[0].name);
+ found = 1;
+ }
+ }
+ if(!found)
+ qerror("unknow mach message ret code %d\n", ret);
+ else
+ DPRINTF("\n");
+ }
+}
+
+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;
+ void *additional_data;
+
+ 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);
+ additional_data = descr;
+ return additional_data;
+}
+
+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 *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
+ mach_msg_audit_trailer_t *trailer;
+ mach_msg_id_t msg_id;
+ uint32_t ret = 0;
+ char *additional_data;
+ int i;
+
+ swap_mach_msg_header(hdr);
+
+ print_description_msg_header(hdr);
+
+ msg_id = hdr->msgh_id;
+
+ if (hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
+ additional_data = swap_mach_msg_body((struct complex_msg *)hdr, bswap_in);
+ else
+ additional_data = (void*)(hdr+1);
+
+ ret = mach_msg_trap(hdr, options, send_size, rcv_size, rcv_name, time_out, notify);
+
+ print_mach_msg_return(ret);
+
+ if (hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
+ additional_data = swap_mach_msg_body((struct complex_msg *)hdr, bswap_out);
+ else
+ additional_data = (void*)(hdr+1);
+
+ 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 maxcpu;
+ uint32_t numcpu;
+ uint32_t memsize;
+ uint32_t cpu_type;
+ uint32_t cpu_subtype;
+ } *data = (void *)(err+1);
+
+ DPRINTF("maxcpu = 0x%x\n", data->maxcpu);
+ DPRINTF("numcpu = 0x%x\n", data->maxcpu);
+ DPRINTF("memsize = 0x%x\n", data->memsize);
+
+#if defined(TARGET_I386)
+ data->cpu_type = CPU_TYPE_I386;
+ DPRINTF("cpu_type changed to 0x%x(i386)\n", data->cpu_type);
+#elif defined(TARGET_PPC)
+ data->cpu_type = CPU_TYPE_POWERPC;
+ DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type);
+#else
+# error target not supported
+#endif
+
+#if defined(TARGET_I386)
+ 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_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_header(hdr);
+
+ 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(void * arg1, uint32_t arg2, void * arg3, void * arg4, void * arg5, size_t arg6);
+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 no_syscall(void *cpu_env, int num);
+
+long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4)
+{
+ //DPRINTF("0x%x, 0x%x, 0x%x, 0x%llx\n", arg1, arg2, arg3, arg4);
+ long ret = (pread(arg1, arg2, arg3, arg4));
+ DPRINTF("0x%x\n", *(int*)arg2);
+ 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);
+}
+
+long do___sysctl(void * arg1, uint32_t arg2, void * arg3, void * arg4, void * arg5, size_t arg6)
+{
+ long ret = 0;
+ int i;
+ DPRINTF("sysctl(%p, 0x%x, %p, %p, %p, 0x%lx)\n",
+ arg1, arg2, arg3, arg4, arg5, arg6);
+ if(arg1) {
+ i = 0;
+ do { *((int *) arg1 + i) = tswap32(*((int *) arg1 + i)); } while (++i < arg2);
+ }
+
+ if(arg4)
+ *(int *) arg4 = tswap32(*(int *) arg4);
+ if(arg1)
+ ret = get_errno(sysctl((void *)arg1, arg2, (void *)arg3, (void *)arg4, (void *)arg5, arg6));
+
+ if ((ret == 0) && (arg2 == 2) && (*((int *) arg1) == 0) && (*((int *) arg1 + 1) == 3)) {
+ /* The output here is the new id - we need to swap it so it can be passed
+ back in (and then unswapped) */
+ int count = (*(int *) arg4) / sizeof(int);
+ i = 0;
+ do {
+ *((int *) arg3 + i) = tswap32(*((int *) arg3 + i));
+ } while (++i < count);
+ }
+ *(int *) arg4 = tswap32(*(int *) arg4);
+
+ 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__)
+ qerror("SYS_getdirentriesattr unimplemented\n");
+#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));
+}
+
+
+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 */
+}
