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/*
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* Darwin syscalls
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*
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* Copyright (c) 2003 Fabrice Bellard
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* Copyright (c) 2006 Pierre d'Herbemont
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <fcntl.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <errno.h> |
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|
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#include <mach/host_info.h> |
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#include <mach/mach.h> |
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#include <mach/mach_time.h> |
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#include <mach/message.h> |
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|
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#include <pthread.h> |
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#include <dirent.h> |
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|
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#include <sys/stat.h> |
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#include <sys/syscall.h> |
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#include <sys/sysctl.h> |
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#include <sys/types.h> |
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#include <unistd.h> |
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#include <sys/ioctl.h> |
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#include <sys/mman.h> |
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#include <sys/types.h> |
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#include <sys/dirent.h> |
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#include <sys/uio.h> |
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#include <sys/termios.h> |
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#include <sys/ptrace.h> |
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#include <net/if.h> |
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|
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#include <sys/param.h> |
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#include <sys/mount.h> |
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#include <sys/attr.h> |
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#include <mach/ndr.h> |
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#include <mach/mig_errors.h> |
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#include <sys/xattr.h> |
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#include "qemu.h" |
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|
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//#define DEBUG_SYSCALL
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|
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#ifdef DEBUG_SYSCALL
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# define DEBUG_FORCE_ENABLE_LOCAL() int __DEBUG_qemu_user_force_enable = 1 |
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# define DEBUG_BEGIN_ENABLE __DEBUG_qemu_user_force_enable = 1; |
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# define DEBUG_END_ENABLE __DEBUG_qemu_user_force_enable = 0; |
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|
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# define DEBUG_DISABLE_ALL() static int __DEBUG_qemu_user_force_enable = 0 |
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# define DEBUG_ENABLE_ALL() static int __DEBUG_qemu_user_force_enable = 1 |
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DEBUG_ENABLE_ALL(); |
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|
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# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); \ |
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if(__DEBUG_qemu_user_force_enable) fprintf(stderr, __VA_ARGS__); \
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} while(0) |
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#else
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# define DEBUG_FORCE_ENABLE_LOCAL()
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# define DEBUG_BEGIN_ENABLE
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# define DEBUG_END_ENABLE
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# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); } while(0) |
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#endif
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enum {
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bswap_out = 0,
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bswap_in = 1
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}; |
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extern const char *interp_prefix; |
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static inline long get_errno(long ret) |
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{ |
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if (ret == -1) |
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return -errno;
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else
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return ret;
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} |
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static inline int is_error(long ret) |
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{ |
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return (unsigned long)ret >= (unsigned long)(-4096); |
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} |
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/* ------------------------------------------------------------
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Mach syscall handling
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*/
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|
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void static inline print_description_msg_header(mach_msg_header_t *hdr) |
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{ |
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char *name = NULL; |
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int i;
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struct { int number; char *name; } msg_name[] = |
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{ |
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/* see http://fxr.watson.org/fxr/source/compat/mach/mach_namemap.c?v=NETBSD */
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{ 200, "host_info" }, |
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{ 202, "host_page_size" }, |
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{ 206, "host_get_clock_service" }, |
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{ 206, "host_get_clock_service" }, |
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{ 206, "host_get_clock_service" }, |
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{ 306, "host_get_clock_service" }, |
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{ 3204, "mach_port_allocate" }, |
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{ 3206, "mach_port_deallocate" }, |
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{ 3404, "mach_ports_lookup" }, |
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{ 3409, "mach_task_get_special_port" }, |
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{ 3414, "mach_task_get_exception_ports" }, |
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{ 3418, "mach_semaphore_create" }, |
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{ 3504, "mach_semaphore_create" }, |
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{ 3509, "mach_semaphore_create" }, |
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{ 3518, "semaphore_create" }, |
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{ 3616, "thread_policy" }, |
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{ 3801, "vm_allocate" }, |
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{ 3802, "vm_deallocate" }, |
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{ 3802, "vm_deallocate" }, |
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{ 3803, "vm_protect" }, |
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{ 3812, "vm_map" }, |
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{ 4241776, "lu_message_send_id" }, /* lookupd */ |
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{ 4241876, "lu_message_reply_id" }, /* lookupd */ |
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}; |
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for(i = 0; i < sizeof(msg_name)/sizeof(msg_name[0]); i++) { |
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if(msg_name[i].number == hdr->msgh_id)
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{ |
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name = msg_name[i].name; |
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break;
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} |
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} |
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if(!name)
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DPRINTF("unknown mach msg %d 0x%x\n", hdr->msgh_id, hdr->msgh_id);
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else
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DPRINTF("%s\n", name);
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#if 0
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DPRINTF("Bits: %8x\n", hdr->msgh_bits);
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DPRINTF("Size: %8x\n", hdr->msgh_size);
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DPRINTF("Rmte: %8x\n", hdr->msgh_remote_port);
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DPRINTF("Locl: %8x\n", hdr->msgh_local_port);
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DPRINTF("Rsrv: %8x\n", hdr->msgh_reserved);
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DPRINTF("Id : %8x\n", hdr->msgh_id);
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NDR_record_t *ndr = (NDR_record_t *)(hdr + 1);
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DPRINTF("hdr = %p, sizeof(hdr) = %x, NDR = %p\n", hdr, (unsigned int)sizeof(mach_msg_header_t), ndr);
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DPRINTF("%d %d %d %d %d %d %d %d\n",
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ndr->mig_vers, ndr->if_vers, ndr->reserved1, ndr->mig_encoding,
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ndr->int_rep, ndr->char_rep, ndr->float_rep, ndr->reserved2);
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#endif
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} |
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static inline void print_mach_msg_return(mach_msg_return_t ret) |
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{ |
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int i, found = 0; |
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#define MACH_MSG_RET(msg) { msg, #msg } |
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struct { int code; char *name; } msg_name[] = |
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{ |
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/* ref: http://darwinsource.opendarwin.org/10.4.2/xnu-792.2.4/osfmk/man/mach_msg.html */
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/* send message */
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MACH_MSG_RET(MACH_SEND_MSG_TOO_SMALL), |
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MACH_MSG_RET(MACH_SEND_NO_BUFFER), |
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MACH_MSG_RET(MACH_SEND_INVALID_DATA), |
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MACH_MSG_RET(MACH_SEND_INVALID_HEADER), |
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MACH_MSG_RET(MACH_SEND_INVALID_DEST), |
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MACH_MSG_RET(MACH_SEND_INVALID_NOTIFY), |
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MACH_MSG_RET(MACH_SEND_INVALID_REPLY), |
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MACH_MSG_RET(MACH_SEND_INVALID_TRAILER), |
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MACH_MSG_RET(MACH_SEND_INVALID_MEMORY), |
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MACH_MSG_RET(MACH_SEND_INVALID_RIGHT), |
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MACH_MSG_RET(MACH_SEND_INVALID_TYPE), |
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MACH_MSG_RET(MACH_SEND_INTERRUPTED), |
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MACH_MSG_RET(MACH_SEND_TIMED_OUT), |
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MACH_MSG_RET(MACH_RCV_BODY_ERROR), |
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MACH_MSG_RET(MACH_RCV_HEADER_ERROR), |
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MACH_MSG_RET(MACH_RCV_IN_SET), |
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MACH_MSG_RET(MACH_RCV_INTERRUPTED), |
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MACH_MSG_RET(MACH_RCV_INVALID_DATA), |
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MACH_MSG_RET(MACH_RCV_INVALID_NAME), |
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MACH_MSG_RET(MACH_RCV_INVALID_NOTIFY), |
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MACH_MSG_RET(MACH_RCV_INVALID_TRAILER), |
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MACH_MSG_RET(MACH_RCV_INVALID_TYPE), |
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MACH_MSG_RET(MACH_RCV_PORT_CHANGED), |
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MACH_MSG_RET(MACH_RCV_PORT_DIED), |
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MACH_MSG_RET(MACH_RCV_SCATTER_SMALL), |
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MACH_MSG_RET(MACH_RCV_TIMED_OUT), |
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MACH_MSG_RET(MACH_RCV_TOO_LARGE) |
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}; |
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#undef MACH_MSG_RET
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if( ret == MACH_MSG_SUCCESS)
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DPRINTF("MACH_MSG_SUCCESS\n");
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else
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{ |
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for( i = 0; i < sizeof(msg_name)/sizeof(msg_name[0]); i++) { |
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if(msg_name[i].code == ret) {
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DPRINTF("%s\n", msg_name[i].name);
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found = 1;
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break;
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} |
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} |
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if(!found)
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qerror("unknow mach message ret code %d\n", ret);
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} |
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} |
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static inline void swap_mach_msg_header(mach_msg_header_t *hdr) |
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{ |
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hdr->msgh_bits = tswap32(hdr->msgh_bits); |
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hdr->msgh_size = tswap32(hdr->msgh_size); |
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hdr->msgh_remote_port = tswap32(hdr->msgh_remote_port); |
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hdr->msgh_local_port = tswap32(hdr->msgh_local_port); |
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hdr->msgh_reserved = tswap32(hdr->msgh_reserved); |
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hdr->msgh_id = tswap32(hdr->msgh_id); |
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} |
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|
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struct complex_msg {
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mach_msg_header_t hdr; |
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mach_msg_body_t body; |
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}; |
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static inline void swap_mach_msg_body(struct complex_msg *complex_msg, int bswap) |
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{ |
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mach_msg_port_descriptor_t *descr = (mach_msg_port_descriptor_t *)(complex_msg+1);
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int i,j;
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if(bswap == bswap_in)
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tswap32s(&complex_msg->body.msgh_descriptor_count); |
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DPRINTF("body.msgh_descriptor_count %d\n", complex_msg->body.msgh_descriptor_count);
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for(i = 0; i < complex_msg->body.msgh_descriptor_count; i++) { |
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switch(descr->type)
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{ |
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case MACH_MSG_PORT_DESCRIPTOR:
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tswap32s(&descr->name); |
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descr++; |
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break;
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case MACH_MSG_OOL_DESCRIPTOR:
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{ |
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mach_msg_ool_descriptor_t *ool = (void *)descr;
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tswap32s((uint32_t *)&ool->address); |
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tswap32s(&ool->size); |
262 |
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descr = (mach_msg_port_descriptor_t *)(ool+1);
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break;
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} |
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case MACH_MSG_OOL_PORTS_DESCRIPTOR:
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{ |
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mach_msg_ool_ports_descriptor_t *ool_ports = (void *)descr;
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mach_port_name_t * port_names; |
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if(bswap == bswap_in)
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{ |
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tswap32s((uint32_t *)&ool_ports->address); |
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tswap32s(&ool_ports->count); |
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} |
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port_names = ool_ports->address; |
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|
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for(j = 0; j < ool_ports->count; j++) |
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tswap32s(&port_names[j]); |
281 |
|
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if(bswap == bswap_out)
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{ |
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tswap32s((uint32_t *)&ool_ports->address); |
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tswap32s(&ool_ports->count); |
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} |
287 |
|
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descr = (mach_msg_port_descriptor_t *)(ool_ports+1);
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break;
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} |
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default: qerror("unknow mach msg descriptor type %x\n", descr->type); |
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} |
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} |
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if(bswap == bswap_out)
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tswap32s(&complex_msg->body.msgh_descriptor_count); |
296 |
} |
297 |
|
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static inline void swap_mach_msg(mach_msg_header_t *hdr, int bswap) |
299 |
{ |
300 |
if (bswap == bswap_out && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
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swap_mach_msg_body((struct complex_msg *)hdr, bswap);
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|
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swap_mach_msg_header(hdr); |
304 |
|
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if (bswap == bswap_in && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
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swap_mach_msg_body((struct complex_msg *)hdr, bswap);
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} |
308 |
|
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static inline uint32_t target_mach_msg_trap( |
310 |
mach_msg_header_t *hdr, uint32_t options, uint32_t send_size, |
311 |
uint32_t rcv_size, uint32_t rcv_name, uint32_t time_out, uint32_t notify) |
312 |
{ |
313 |
extern int mach_msg_trap(mach_msg_header_t *, mach_msg_option_t, |
314 |
mach_msg_size_t, mach_msg_size_t, mach_port_t, |
315 |
mach_msg_timeout_t, mach_port_t); |
316 |
mach_msg_audit_trailer_t *trailer; |
317 |
mach_msg_id_t msg_id; |
318 |
uint32_t ret = 0;
|
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int i;
|
320 |
|
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swap_mach_msg(hdr, bswap_in); |
322 |
|
323 |
msg_id = hdr->msgh_id; |
324 |
|
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print_description_msg_header(hdr); |
326 |
|
327 |
ret = mach_msg_trap(hdr, options, send_size, rcv_size, rcv_name, time_out, notify); |
328 |
|
329 |
print_mach_msg_return(ret); |
330 |
|
331 |
if( (options & MACH_RCV_MSG) && (REQUESTED_TRAILER_SIZE(options) > 0) ) |
332 |
{ |
333 |
/* XXX: the kernel always return the full trailer with MACH_SEND_MSG, so we should
|
334 |
probably always bswap it */
|
335 |
/* warning: according to Mac OS X Internals (the book) msg_size might be expressed in
|
336 |
natural_t units but according to xnu/osfmk/mach/message.h: "The size of
|
337 |
the message must be specified in bytes" */
|
338 |
trailer = (mach_msg_audit_trailer_t *)((uint8_t *)hdr + hdr->msgh_size); |
339 |
/* XXX: Should probably do that based on the option asked by the sender, but dealing
|
340 |
with kernel answer seems more sound */
|
341 |
switch(trailer->msgh_trailer_size)
|
342 |
{ |
343 |
case sizeof(mach_msg_audit_trailer_t): |
344 |
for(i = 0; i < 8; i++) |
345 |
tswap32s(&trailer->msgh_audit.val[i]); |
346 |
/* Fall in mach_msg_security_trailer_t case */
|
347 |
case sizeof(mach_msg_security_trailer_t): |
348 |
tswap32s(&trailer->msgh_sender.val[0]);
|
349 |
tswap32s(&trailer->msgh_sender.val[1]);
|
350 |
/* Fall in mach_msg_seqno_trailer_t case */
|
351 |
case sizeof(mach_msg_seqno_trailer_t): |
352 |
tswap32s(&trailer->msgh_seqno); |
353 |
/* Fall in mach_msg_trailer_t case */
|
354 |
case sizeof(mach_msg_trailer_t): |
355 |
tswap32s(&trailer->msgh_trailer_type); |
356 |
tswap32s(&trailer->msgh_trailer_size); |
357 |
break;
|
358 |
case 0: |
359 |
/* Safer not to byteswap, but probably wrong */
|
360 |
break;
|
361 |
default:
|
362 |
qerror("unknow trailer type given its size %d\n", trailer->msgh_trailer_size);
|
363 |
break;
|
364 |
} |
365 |
} |
366 |
|
367 |
/* Special message handling */
|
368 |
switch (msg_id) {
|
369 |
case 200: /* host_info */ |
370 |
{ |
371 |
mig_reply_error_t *err = (mig_reply_error_t *)hdr; |
372 |
struct {
|
373 |
uint32_t unknow1; |
374 |
uint32_t max_cpus; |
375 |
uint32_t avail_cpus; |
376 |
uint32_t memory_size; |
377 |
uint32_t cpu_type; |
378 |
uint32_t cpu_subtype; |
379 |
} *data = (void *)(err+1); |
380 |
|
381 |
DPRINTF("maxcpu = 0x%x\n", data->max_cpus);
|
382 |
DPRINTF("numcpu = 0x%x\n", data->avail_cpus);
|
383 |
DPRINTF("memsize = 0x%x\n", data->memory_size);
|
384 |
|
385 |
#if defined(TARGET_I386)
|
386 |
data->cpu_type = CPU_TYPE_I386; |
387 |
DPRINTF("cpu_type changed to 0x%x(i386)\n", data->cpu_type);
|
388 |
data->cpu_subtype = CPU_SUBTYPE_PENT; |
389 |
DPRINTF("cpu_subtype changed to 0x%x(i386_pent)\n", data->cpu_subtype);
|
390 |
#elif defined(TARGET_PPC)
|
391 |
data->cpu_type = CPU_TYPE_POWERPC; |
392 |
DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type);
|
393 |
data->cpu_subtype = CPU_SUBTYPE_POWERPC_750; |
394 |
DPRINTF("cpu_subtype changed to 0x%x(ppc_all)\n", data->cpu_subtype);
|
395 |
#else
|
396 |
# error target not supported
|
397 |
#endif
|
398 |
break;
|
399 |
} |
400 |
case 202: /* host_page_size */ |
401 |
{ |
402 |
mig_reply_error_t *err = (mig_reply_error_t *)hdr; |
403 |
uint32_t *pagesize = (uint32_t *)(err+1);
|
404 |
|
405 |
DPRINTF("pagesize = %d\n", *pagesize);
|
406 |
break;
|
407 |
} |
408 |
default: break; |
409 |
} |
410 |
|
411 |
swap_mach_msg(hdr, bswap_out); |
412 |
|
413 |
return ret;
|
414 |
} |
415 |
|
416 |
long do_mach_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3, |
417 |
uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, |
418 |
uint32_t arg8) |
419 |
{ |
420 |
extern uint32_t mach_reply_port(void); |
421 |
|
422 |
long ret = 0; |
423 |
|
424 |
arg1 = tswap32(arg1); |
425 |
arg2 = tswap32(arg2); |
426 |
arg3 = tswap32(arg3); |
427 |
arg4 = tswap32(arg4); |
428 |
arg5 = tswap32(arg5); |
429 |
arg6 = tswap32(arg6); |
430 |
arg7 = tswap32(arg7); |
431 |
arg8 = tswap32(arg8); |
432 |
|
433 |
DPRINTF("mach syscall %d : " , num);
|
434 |
|
435 |
switch(num) {
|
436 |
/* see xnu/osfmk/mach/syscall_sw.h */
|
437 |
case -26: |
438 |
DPRINTF("mach_reply_port()\n");
|
439 |
ret = mach_reply_port(); |
440 |
break;
|
441 |
case -27: |
442 |
DPRINTF("mach_thread_self()\n");
|
443 |
ret = mach_thread_self(); |
444 |
break;
|
445 |
case -28: |
446 |
DPRINTF("mach_task_self()\n");
|
447 |
ret = mach_task_self(); |
448 |
break;
|
449 |
case -29: |
450 |
DPRINTF("mach_host_self()\n");
|
451 |
ret = mach_host_self(); |
452 |
break;
|
453 |
case -31: |
454 |
DPRINTF("mach_msg_trap(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
|
455 |
arg1, arg2, arg3, arg4, arg5, arg6, arg7); |
456 |
ret = target_mach_msg_trap((mach_msg_header_t *)arg1, arg2, arg3, arg4, arg5, arg6, arg7); |
457 |
break;
|
458 |
/* may need more translation if target arch is different from host */
|
459 |
#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
|
460 |
case -33: |
461 |
DPRINTF("semaphore_signal_trap(0x%x)\n", arg1);
|
462 |
ret = semaphore_signal_trap(arg1); |
463 |
break;
|
464 |
case -34: |
465 |
DPRINTF("semaphore_signal_all_trap(0x%x)\n", arg1);
|
466 |
ret = semaphore_signal_all_trap(arg1); |
467 |
break;
|
468 |
case -35: |
469 |
DPRINTF("semaphore_signal_thread_trap(0x%x)\n", arg1, arg2);
|
470 |
ret = semaphore_signal_thread_trap(arg1,arg2); |
471 |
break;
|
472 |
#endif
|
473 |
case -36: |
474 |
DPRINTF("semaphore_wait_trap(0x%x)\n", arg1);
|
475 |
extern int semaphore_wait_trap(int); // XXX: is there any header for that? |
476 |
ret = semaphore_wait_trap(arg1); |
477 |
break;
|
478 |
/* may need more translation if target arch is different from host */
|
479 |
#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
|
480 |
case -37: |
481 |
DPRINTF("semaphore_wait_signal_trap(0x%x, 0x%x)\n", arg1, arg2);
|
482 |
ret = semaphore_wait_signal_trap(arg1,arg2); |
483 |
break;
|
484 |
#endif
|
485 |
case -43: |
486 |
DPRINTF("map_fd(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
|
487 |
arg1, arg2, arg3, arg4, arg5); |
488 |
ret = map_fd(arg1, arg2, (void*)arg3, arg4, arg5);
|
489 |
tswap32s((uint32_t*)arg3); |
490 |
break;
|
491 |
/* may need more translation if target arch is different from host */
|
492 |
#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
|
493 |
case -61: |
494 |
DPRINTF("syscall_thread_switch(0x%x, 0x%x, 0x%x)\n",
|
495 |
arg1, arg2, arg3); |
496 |
ret = syscall_thread_switch(arg1, arg2, arg3); // just a hint to the scheduler; can drop?
|
497 |
break;
|
498 |
#endif
|
499 |
case -89: |
500 |
DPRINTF("mach_timebase_info(0x%x)\n", arg1);
|
501 |
struct mach_timebase_info info;
|
502 |
ret = mach_timebase_info(&info); |
503 |
if(!is_error(ret))
|
504 |
{ |
505 |
struct mach_timebase_info *outInfo = (void*)arg1; |
506 |
outInfo->numer = tswap32(info.numer); |
507 |
outInfo->denom = tswap32(info.denom); |
508 |
} |
509 |
break;
|
510 |
case -90: |
511 |
DPRINTF("mach_wait_until()\n");
|
512 |
extern int mach_wait_until(uint64_t); // XXX: is there any header for that? |
513 |
ret = mach_wait_until(((uint64_t)arg2<<32) | (uint64_t)arg1);
|
514 |
break;
|
515 |
case -91: |
516 |
DPRINTF("mk_timer_create()\n");
|
517 |
extern int mk_timer_create(); // XXX: is there any header for that? |
518 |
ret = mk_timer_create(); |
519 |
break;
|
520 |
case -92: |
521 |
DPRINTF("mk_timer_destroy()\n");
|
522 |
extern int mk_timer_destroy(int); // XXX: is there any header for that? |
523 |
ret = mk_timer_destroy(arg1); |
524 |
break;
|
525 |
case -93: |
526 |
DPRINTF("mk_timer_create()\n");
|
527 |
extern int mk_timer_arm(int, uint64_t); // XXX: is there any header for that? |
528 |
ret = mk_timer_arm(arg1, ((uint64_t)arg3<<32) | (uint64_t)arg2);
|
529 |
break;
|
530 |
case -94: |
531 |
DPRINTF("mk_timer_cancel()\n");
|
532 |
extern int mk_timer_cancel(int, uint64_t *); // XXX: is there any header for that? |
533 |
ret = mk_timer_cancel(arg1, (uint64_t *)arg2); |
534 |
if((!is_error(ret)) && arg2)
|
535 |
tswap64s((uint64_t *)arg2); |
536 |
break;
|
537 |
default:
|
538 |
gemu_log("qemu: Unsupported mach syscall: %d(0x%x)\n", num, num);
|
539 |
gdb_handlesig (cpu_env, SIGTRAP); |
540 |
exit(0);
|
541 |
break;
|
542 |
} |
543 |
return ret;
|
544 |
} |
545 |
|
546 |
/* ------------------------------------------------------------
|
547 |
thread type syscall handling
|
548 |
*/
|
549 |
long do_thread_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3, |
550 |
uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, |
551 |
uint32_t arg8) |
552 |
{ |
553 |
extern uint32_t cthread_set_self(uint32_t);
|
554 |
extern uint32_t processor_facilities_used(void); |
555 |
long ret = 0; |
556 |
|
557 |
arg1 = tswap32(arg1); |
558 |
arg2 = tswap32(arg2); |
559 |
arg3 = tswap32(arg3); |
560 |
arg4 = tswap32(arg4); |
561 |
arg5 = tswap32(arg5); |
562 |
arg6 = tswap32(arg6); |
563 |
arg7 = tswap32(arg7); |
564 |
arg8 = tswap32(arg8); |
565 |
|
566 |
DPRINTF("thread syscall %d : " , num);
|
567 |
|
568 |
switch(num) {
|
569 |
#ifdef TARGET_I386
|
570 |
case 0x3: |
571 |
#endif
|
572 |
case 0x7FF1: /* cthread_set_self */ |
573 |
DPRINTF("cthread_set_self(0x%x)\n", (unsigned int)arg1); |
574 |
ret = cthread_set_self(arg1); |
575 |
#ifdef TARGET_I386
|
576 |
/* we need to update the LDT with the address of the thread */
|
577 |
write_dt((void *)(((CPUX86State *) cpu_env)->ldt.base + (4 * sizeof(uint64_t))), arg1, 1, |
578 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
579 |
(3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); |
580 |
/* New i386 convention, %gs should be set to our this LDT entry */
|
581 |
cpu_x86_load_seg(cpu_env, R_GS, 0x27);
|
582 |
/* Old i386 convention, the kernel returns the selector for the cthread (pre-10.4.8?)*/
|
583 |
ret = 0x27;
|
584 |
#endif
|
585 |
break;
|
586 |
case 0x7FF2: /* Called the super-fast pthread_self handler by the apple guys */ |
587 |
DPRINTF("pthread_self()\n");
|
588 |
ret = (uint32_t)pthread_self(); |
589 |
break;
|
590 |
case 0x7FF3: |
591 |
DPRINTF("processor_facilities_used()\n");
|
592 |
#ifdef __i386__
|
593 |
qerror("processor_facilities_used: not implemented!\n");
|
594 |
#else
|
595 |
ret = (uint32_t)processor_facilities_used(); |
596 |
#endif
|
597 |
break;
|
598 |
default:
|
599 |
gemu_log("qemu: Unsupported thread syscall: %d(0x%x)\n", num, num);
|
600 |
gdb_handlesig (cpu_env, SIGTRAP); |
601 |
exit(0);
|
602 |
break;
|
603 |
} |
604 |
return ret;
|
605 |
} |
606 |
|
607 |
/* ------------------------------------------------------------
|
608 |
ioctl handling
|
609 |
*/
|
610 |
static inline void byteswap_termios(struct termios *t) |
611 |
{ |
612 |
tswap32s((uint32_t*)&t->c_iflag); |
613 |
tswap32s((uint32_t*)&t->c_oflag); |
614 |
tswap32s((uint32_t*)&t->c_cflag); |
615 |
tswap32s((uint32_t*)&t->c_lflag); |
616 |
/* 20 (char) bytes then */
|
617 |
tswap32s((uint32_t*)&t->c_ispeed); |
618 |
tswap32s((uint32_t*)&t->c_ospeed); |
619 |
} |
620 |
|
621 |
static inline void byteswap_winsize(struct winsize *w) |
622 |
{ |
623 |
tswap16s(&w->ws_row); |
624 |
tswap16s(&w->ws_col); |
625 |
tswap16s(&w->ws_xpixel); |
626 |
tswap16s(&w->ws_ypixel); |
627 |
} |
628 |
|
629 |
#define STRUCT(name, list...) STRUCT_ ## name, |
630 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
631 |
enum {
|
632 |
#include "ioctls_types.h" |
633 |
}; |
634 |
#undef STRUCT
|
635 |
#undef STRUCT_SPECIAL
|
636 |
|
637 |
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
638 |
#define STRUCT_SPECIAL(name)
|
639 |
#include "ioctls_types.h" |
640 |
#undef STRUCT
|
641 |
#undef STRUCT_SPECIAL
|
642 |
|
643 |
typedef struct IOCTLEntry { |
644 |
unsigned int target_cmd; |
645 |
unsigned int host_cmd; |
646 |
const char *name; |
647 |
int access;
|
648 |
const argtype arg_type[5]; |
649 |
} IOCTLEntry; |
650 |
|
651 |
#define IOC_R 0x0001 |
652 |
#define IOC_W 0x0002 |
653 |
#define IOC_RW (IOC_R | IOC_W)
|
654 |
|
655 |
#define MAX_STRUCT_SIZE 4096 |
656 |
|
657 |
IOCTLEntry ioctl_entries[] = { |
658 |
#define IOCTL(cmd, access, types...) \
|
659 |
{ cmd, cmd, #cmd, access, { types } },
|
660 |
#include "ioctls.h" |
661 |
{ 0, 0, }, |
662 |
}; |
663 |
|
664 |
/* ??? Implement proper locking for ioctls. */
|
665 |
static long do_ioctl(long fd, long cmd, long arg) |
666 |
{ |
667 |
const IOCTLEntry *ie;
|
668 |
const argtype *arg_type;
|
669 |
int ret;
|
670 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
671 |
int target_size;
|
672 |
void *argptr;
|
673 |
|
674 |
ie = ioctl_entries; |
675 |
for(;;) {
|
676 |
if (ie->target_cmd == 0) { |
677 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
|
678 |
return -ENOSYS;
|
679 |
} |
680 |
if (ie->target_cmd == cmd)
|
681 |
break;
|
682 |
ie++; |
683 |
} |
684 |
arg_type = ie->arg_type; |
685 |
#if defined(DEBUG)
|
686 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
|
687 |
#endif
|
688 |
switch(arg_type[0]) { |
689 |
case TYPE_NULL:
|
690 |
/* no argument */
|
691 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
692 |
break;
|
693 |
case TYPE_PTRVOID:
|
694 |
case TYPE_INT:
|
695 |
/* int argment */
|
696 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
697 |
break;
|
698 |
case TYPE_PTR:
|
699 |
arg_type++; |
700 |
target_size = thunk_type_size(arg_type, 0);
|
701 |
switch(ie->access) {
|
702 |
case IOC_R:
|
703 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
704 |
if (!is_error(ret)) {
|
705 |
argptr = lock_user(arg, target_size, 0);
|
706 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
707 |
unlock_user(argptr, arg, target_size); |
708 |
} |
709 |
break;
|
710 |
case IOC_W:
|
711 |
argptr = lock_user(arg, target_size, 1);
|
712 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
713 |
unlock_user(argptr, arg, 0);
|
714 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
715 |
break;
|
716 |
default:
|
717 |
case IOC_RW:
|
718 |
argptr = lock_user(arg, target_size, 1);
|
719 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
720 |
unlock_user(argptr, arg, 0);
|
721 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
722 |
if (!is_error(ret)) {
|
723 |
argptr = lock_user(arg, target_size, 0);
|
724 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
725 |
unlock_user(argptr, arg, target_size); |
726 |
} |
727 |
break;
|
728 |
} |
729 |
break;
|
730 |
default:
|
731 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); |
732 |
ret = -ENOSYS; |
733 |
break;
|
734 |
} |
735 |
return ret;
|
736 |
} |
737 |
|
738 |
/* ------------------------------------------------------------
|
739 |
Unix syscall handling
|
740 |
*/
|
741 |
|
742 |
static inline void byteswap_attrlist(struct attrlist *a) |
743 |
{ |
744 |
tswap16s(&a->bitmapcount); |
745 |
tswap16s(&a->reserved); |
746 |
tswap32s(&a->commonattr); |
747 |
tswap32s(&a->volattr); |
748 |
tswap32s(&a->dirattr); |
749 |
tswap32s(&a->fileattr); |
750 |
tswap32s(&a->forkattr); |
751 |
} |
752 |
|
753 |
struct attrbuf_header {
|
754 |
unsigned long length; |
755 |
}; |
756 |
|
757 |
static inline void byteswap_attrbuf(struct attrbuf_header *attrbuf, struct attrlist *attrlist) |
758 |
{ |
759 |
DPRINTF("attrBuf.lenght %lx\n", attrbuf->length);
|
760 |
} |
761 |
|
762 |
static inline void byteswap_statfs(struct statfs *s) |
763 |
{ |
764 |
tswap16s((uint16_t*)&s->f_otype); |
765 |
tswap16s((uint16_t*)&s->f_oflags); |
766 |
tswap32s((uint32_t*)&s->f_bsize); |
767 |
tswap32s((uint32_t*)&s->f_iosize); |
768 |
tswap32s((uint32_t*)&s->f_blocks); |
769 |
tswap32s((uint32_t*)&s->f_bfree); |
770 |
tswap32s((uint32_t*)&s->f_bavail); |
771 |
tswap32s((uint32_t*)&s->f_files); |
772 |
tswap32s((uint32_t*)&s->f_ffree); |
773 |
tswap32s((uint32_t*)&s->f_fsid.val[0]);
|
774 |
tswap32s((uint32_t*)&s->f_fsid.val[1]);
|
775 |
tswap16s((uint16_t*)&s->f_reserved1); |
776 |
tswap16s((uint16_t*)&s->f_type); |
777 |
tswap32s((uint32_t*)&s->f_flags); |
778 |
} |
779 |
|
780 |
static inline void byteswap_stat(struct stat *s) |
781 |
{ |
782 |
tswap32s((uint32_t*)&s->st_dev); |
783 |
tswap32s(&s->st_ino); |
784 |
tswap16s(&s->st_mode); |
785 |
tswap16s(&s->st_nlink); |
786 |
tswap32s(&s->st_uid); |
787 |
tswap32s(&s->st_gid); |
788 |
tswap32s((uint32_t*)&s->st_rdev); |
789 |
tswap32s((uint32_t*)&s->st_atimespec.tv_sec); |
790 |
tswap32s((uint32_t*)&s->st_atimespec.tv_nsec); |
791 |
tswap32s((uint32_t*)&s->st_mtimespec.tv_sec); |
792 |
tswap32s((uint32_t*)&s->st_mtimespec.tv_nsec); |
793 |
tswap32s((uint32_t*)&s->st_ctimespec.tv_sec); |
794 |
tswap32s((uint32_t*)&s->st_ctimespec.tv_nsec); |
795 |
tswap64s((uint64_t*)&s->st_size); |
796 |
tswap64s((uint64_t*)&s->st_blocks); |
797 |
tswap32s((uint32_t*)&s->st_blksize); |
798 |
tswap32s(&s->st_flags); |
799 |
tswap32s(&s->st_gen); |
800 |
} |
801 |
|
802 |
static inline void byteswap_dirents(struct dirent *d, int bytes) |
803 |
{ |
804 |
char *b;
|
805 |
for( b = (char*)d; (int)b < (int)d+bytes; ) |
806 |
{ |
807 |
unsigned short s = ((struct dirent *)b)->d_reclen; |
808 |
tswap32s(&((struct dirent *)b)->d_ino);
|
809 |
tswap16s(&((struct dirent *)b)->d_reclen);
|
810 |
if(s<=0) |
811 |
break;
|
812 |
b += s; |
813 |
} |
814 |
} |
815 |
|
816 |
static inline void byteswap_iovec(struct iovec *v, int n) |
817 |
{ |
818 |
int i;
|
819 |
for(i = 0; i < n; i++) |
820 |
{ |
821 |
tswap32s((uint32_t*)&v[i].iov_base); |
822 |
tswap32s((uint32_t*)&v[i].iov_len); |
823 |
} |
824 |
} |
825 |
|
826 |
static inline void byteswap_timeval(struct timeval *t) |
827 |
{ |
828 |
tswap32s((uint32_t*)&t->tv_sec); |
829 |
tswap32s((uint32_t*)&t->tv_usec); |
830 |
} |
831 |
|
832 |
long do_unix_syscall_indirect(void *cpu_env, int num); |
833 |
long do_sync(void); |
834 |
long do_exit(uint32_t arg1);
|
835 |
long do_getlogin(char *out, uint32_t size); |
836 |
long do_open(char * arg1, uint32_t arg2, uint32_t arg3); |
837 |
long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3); |
838 |
long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3);
|
839 |
long do_execve(char* arg1, char ** arg2, char ** arg3); |
840 |
long do_getgroups(uint32_t arg1, gid_t * arg2);
|
841 |
long do_gettimeofday(struct timeval * arg1, void * arg2); |
842 |
long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3); |
843 |
long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3); |
844 |
long do_utimes(char * arg1, struct timeval * arg2); |
845 |
long do_futimes(uint32_t arg1, struct timeval * arg2); |
846 |
long do_statfs(char * arg1, struct statfs * arg2); |
847 |
long do_fstatfs(uint32_t arg1, struct statfs * arg2); |
848 |
long do_stat(char * arg1, struct stat * arg2); |
849 |
long do_fstat(uint32_t arg1, struct stat * arg2); |
850 |
long do_lstat(char * arg1, struct stat * arg2); |
851 |
long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4); |
852 |
long do_lseek(void *cpu_env, int num); |
853 |
long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */); |
854 |
long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5); |
855 |
long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8); |
856 |
long do_fcntl(int fd, int cmd, int arg); |
857 |
|
858 |
long no_syscall(void *cpu_env, int num); |
859 |
|
860 |
long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4) |
861 |
{ |
862 |
DPRINTF("0x%x, %p, 0x%lx, 0x%llx\n", arg1, arg2, arg3, arg4);
|
863 |
long ret = pread(arg1, arg2, arg3, arg4);
|
864 |
return ret;
|
865 |
} |
866 |
|
867 |
long do_read(int d, void *buf, size_t nbytes) |
868 |
{ |
869 |
DPRINTF("0x%x, %p, 0x%lx\n", d, buf, nbytes);
|
870 |
long ret = get_errno(read(d, buf, nbytes));
|
871 |
if(!is_error(ret))
|
872 |
DPRINTF("%x\n", *(uint32_t*)buf);
|
873 |
return ret;
|
874 |
} |
875 |
|
876 |
long unimpl_unix_syscall(void *cpu_env, int num); |
877 |
|
878 |
typedef long (*syscall_function_t)(void *cpu_env, int num); |
879 |
|
880 |
|
881 |
/* define a table that will handle the syscall number->function association */
|
882 |
#define VOID void |
883 |
#define INT (uint32_t)get_int_arg(&i, cpu_env)
|
884 |
#define INT64 (uint64_t)get_int64_arg(&i, cpu_env)
|
885 |
#define UINT (unsigned int)INT |
886 |
#define PTR (void*)INT |
887 |
|
888 |
#define SIZE INT
|
889 |
#define OFFSET INT64
|
890 |
|
891 |
#define WRAPPER_CALL_DIRECT_0(function, args) long __qemu_##function(void *cpu_env) { return (long)function(); } |
892 |
#define WRAPPER_CALL_DIRECT_1(function, _arg1) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1; return (long)function(arg1); } |
893 |
#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); } |
894 |
#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); } |
895 |
#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); } |
896 |
#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); } |
897 |
#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); } |
898 |
#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); } |
899 |
#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); } |
900 |
#define WRAPPER_CALL_DIRECT(function, nargs, args...) WRAPPER_CALL_DIRECT_##nargs(function, args) |
901 |
#define WRAPPER_CALL_NOERRNO(function, nargs, args...) WRAPPER_CALL_DIRECT(function, nargs, args)
|
902 |
#define WRAPPER_CALL_INDIRECT(function, nargs, args...)
|
903 |
#define ENTRY(name, number, function, nargs, call_type, args...) WRAPPER_##call_type(function, nargs, args) |
904 |
|
905 |
#include "syscalls.h" |
906 |
|
907 |
#undef ENTRY
|
908 |
#undef WRAPPER_CALL_DIRECT
|
909 |
#undef WRAPPER_CALL_NOERRNO
|
910 |
#undef WRAPPER_CALL_INDIRECT
|
911 |
#undef OFFSET
|
912 |
#undef SIZE
|
913 |
#undef INT
|
914 |
#undef PTR
|
915 |
#undef INT64
|
916 |
|
917 |
#define _ENTRY(name, number, function, nargs, call_type) [number] = {\
|
918 |
name, \ |
919 |
number, \ |
920 |
(syscall_function_t)function, \ |
921 |
nargs, \ |
922 |
call_type \ |
923 |
}, |
924 |
|
925 |
#define ENTRY_CALL_DIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, __qemu_##function, nargs, call_type) |
926 |
#define ENTRY_CALL_NOERRNO(name, number, function, nargs, call_type) ENTRY_CALL_DIRECT(name, number, function, nargs, call_type)
|
927 |
#define ENTRY_CALL_INDIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, function, nargs, call_type)
|
928 |
#define ENTRY(name, number, function, nargs, call_type, args...) ENTRY_##call_type(name, number, function, nargs, call_type) |
929 |
|
930 |
#define CALL_DIRECT 1 |
931 |
#define CALL_INDIRECT 2 |
932 |
#define CALL_NOERRNO (CALL_DIRECT | 4 /* = 5 */) |
933 |
|
934 |
struct unix_syscall {
|
935 |
char * name;
|
936 |
int number;
|
937 |
syscall_function_t function; |
938 |
int nargs;
|
939 |
int call_type;
|
940 |
} unix_syscall_table[SYS_MAXSYSCALL] = { |
941 |
#include "syscalls.h" |
942 |
}; |
943 |
|
944 |
#undef ENTRY
|
945 |
#undef _ENTRY
|
946 |
#undef ENTRY_CALL_DIRECT
|
947 |
#undef ENTRY_CALL_INDIRECT
|
948 |
#undef ENTRY_CALL_NOERRNO
|
949 |
|
950 |
/* Actual syscalls implementation */
|
951 |
|
952 |
long do_unix_syscall_indirect(void *cpu_env, int num) |
953 |
{ |
954 |
long ret;
|
955 |
int new_num;
|
956 |
int i = 0; |
957 |
|
958 |
new_num = get_int_arg(&i, cpu_env); |
959 |
#ifdef TARGET_I386
|
960 |
((CPUX86State*)cpu_env)->regs[R_ESP] += 4;
|
961 |
/* XXX: not necessary */
|
962 |
((CPUX86State*)cpu_env)->regs[R_EAX] = new_num; |
963 |
#elif TARGET_PPC
|
964 |
{ |
965 |
int i;
|
966 |
uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr; |
967 |
for(i = 3; i < 11; i++) |
968 |
*regs[i] = *regs[i+1];
|
969 |
/* XXX: not necessary */
|
970 |
*regs[0] = new_num;
|
971 |
} |
972 |
#endif
|
973 |
ret = do_unix_syscall(cpu_env, new_num); |
974 |
#ifdef TARGET_I386
|
975 |
((CPUX86State*)cpu_env)->regs[R_ESP] -= 4;
|
976 |
/* XXX: not necessary */
|
977 |
((CPUX86State*)cpu_env)->regs[R_EAX] = num; |
978 |
#elif TARGET_PPC
|
979 |
{ |
980 |
int i;
|
981 |
/* XXX: not really needed those regs are volatile accross calls */
|
982 |
uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr; |
983 |
for(i = 11; i > 3; i--) |
984 |
*regs[i] = *regs[i-1];
|
985 |
regs[3] = new_num;
|
986 |
*regs[0] = num;
|
987 |
} |
988 |
#endif
|
989 |
return ret;
|
990 |
} |
991 |
|
992 |
long do_exit(uint32_t arg1)
|
993 |
{ |
994 |
exit(arg1); |
995 |
/* not reached */
|
996 |
return -1; |
997 |
} |
998 |
|
999 |
long do_sync(void) |
1000 |
{ |
1001 |
sync(); |
1002 |
return 0; |
1003 |
} |
1004 |
|
1005 |
long do_getlogin(char *out, uint32_t size) |
1006 |
{ |
1007 |
char *login = getlogin();
|
1008 |
if(!login)
|
1009 |
return -1; |
1010 |
memcpy(out, login, size); |
1011 |
return 0; |
1012 |
} |
1013 |
long do_open(char * arg1, uint32_t arg2, uint32_t arg3) |
1014 |
{ |
1015 |
/* XXX: don't let the %s stay in there */
|
1016 |
DPRINTF("open(%s, 0x%x, 0x%x)\n", arg1, arg2, arg3);
|
1017 |
return get_errno(open(arg1, arg2, arg3));
|
1018 |
} |
1019 |
|
1020 |
long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3) |
1021 |
{ |
1022 |
long ret;
|
1023 |
DPRINTF("getfsstat(%p, 0x%x, 0x%x)\n", arg1, arg2, arg3);
|
1024 |
ret = get_errno(getfsstat(arg1, arg2, arg3)); |
1025 |
if((!is_error(ret)) && arg1)
|
1026 |
byteswap_statfs(arg1); |
1027 |
return ret;
|
1028 |
} |
1029 |
|
1030 |
long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3)
|
1031 |
{ |
1032 |
long ret;
|
1033 |
DPRINTF("sigprocmask(%d, %p, %p)\n", arg1, arg2, arg3);
|
1034 |
gemu_log("XXX: sigprocmask not tested (%d, %p, %p)\n", arg1, arg2, arg3);
|
1035 |
if(arg2)
|
1036 |
tswap32s(arg2); |
1037 |
ret = get_errno(sigprocmask(arg1, (void *)arg2, (void *)arg3)); |
1038 |
if((!is_error(ret)) && arg3)
|
1039 |
tswap32s(arg3); |
1040 |
if(arg2)
|
1041 |
tswap32s(arg2); |
1042 |
return ret;
|
1043 |
} |
1044 |
|
1045 |
long do_execve(char* arg1, char ** arg2, char ** arg3) |
1046 |
{ |
1047 |
long ret;
|
1048 |
char **argv = arg2;
|
1049 |
char **envp = arg3;
|
1050 |
int argc;
|
1051 |
int envc;
|
1052 |
|
1053 |
/* XXX: don't let the %s stay in here */
|
1054 |
DPRINTF("execve(%s, %p, %p)\n", arg1, arg2, arg3);
|
1055 |
|
1056 |
for(argc = 0; argv[argc]; argc++); |
1057 |
for(envc = 0; envp[envc]; envc++); |
1058 |
|
1059 |
argv = (char**)malloc(sizeof(char*)*argc); |
1060 |
envp = (char**)malloc(sizeof(char*)*envc); |
1061 |
|
1062 |
for(; argc >= 0; argc--) |
1063 |
argv[argc] = (char*)tswap32((uint32_t)(arg2)[argc]);
|
1064 |
|
1065 |
for(; envc >= 0; envc--) |
1066 |
envp[envc] = (char*)tswap32((uint32_t)(arg3)[envc]);
|
1067 |
|
1068 |
ret = get_errno(execve(arg1, argv, envp)); |
1069 |
free(argv); |
1070 |
free(envp); |
1071 |
return ret;
|
1072 |
} |
1073 |
|
1074 |
long do_getgroups(uint32_t arg1, gid_t * arg2)
|
1075 |
{ |
1076 |
long ret;
|
1077 |
int i;
|
1078 |
DPRINTF("getgroups(0x%x, %p)\n", arg1, arg2);
|
1079 |
ret = get_errno(getgroups(arg1, arg2)); |
1080 |
if(ret > 0) |
1081 |
for(i = 0; i < arg1; i++) |
1082 |
tswap32s(&arg2[i]); |
1083 |
return ret;
|
1084 |
} |
1085 |
|
1086 |
long do_gettimeofday(struct timeval * arg1, void * arg2) |
1087 |
{ |
1088 |
long ret;
|
1089 |
DPRINTF("gettimeofday(%p, %p)\n",
|
1090 |
arg1, arg2); |
1091 |
ret = get_errno(gettimeofday(arg1, arg2)); |
1092 |
if(!is_error(ret))
|
1093 |
{ |
1094 |
/* timezone no longer used according to the manpage, so don't bother with it */
|
1095 |
byteswap_timeval(arg1); |
1096 |
} |
1097 |
return ret;
|
1098 |
} |
1099 |
|
1100 |
long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3) |
1101 |
{ |
1102 |
long ret;
|
1103 |
DPRINTF("readv(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);
|
1104 |
if(arg2)
|
1105 |
byteswap_iovec(arg2, arg3); |
1106 |
ret = get_errno(readv(arg1, arg2, arg3)); |
1107 |
if((!is_error(ret)) && arg2)
|
1108 |
byteswap_iovec(arg2, arg3); |
1109 |
return ret;
|
1110 |
} |
1111 |
|
1112 |
long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3) |
1113 |
{ |
1114 |
long ret;
|
1115 |
DPRINTF("writev(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);
|
1116 |
if(arg2)
|
1117 |
byteswap_iovec(arg2, arg3); |
1118 |
ret = get_errno(writev(arg1, arg2, arg3)); |
1119 |
if((!is_error(ret)) && arg2)
|
1120 |
byteswap_iovec(arg2, arg3); |
1121 |
return ret;
|
1122 |
} |
1123 |
|
1124 |
long do_utimes(char * arg1, struct timeval * arg2) |
1125 |
{ |
1126 |
DPRINTF("utimes(%p, %p)\n", arg1, arg2);
|
1127 |
if(arg2)
|
1128 |
{ |
1129 |
byteswap_timeval(arg2); |
1130 |
byteswap_timeval(arg2+1);
|
1131 |
} |
1132 |
return get_errno(utimes(arg1, arg2));
|
1133 |
} |
1134 |
|
1135 |
long do_futimes(uint32_t arg1, struct timeval * arg2) |
1136 |
{ |
1137 |
DPRINTF("futimes(0x%x, %p)\n", arg1, arg2);
|
1138 |
if(arg2)
|
1139 |
{ |
1140 |
byteswap_timeval(arg2); |
1141 |
byteswap_timeval(arg2+1);
|
1142 |
} |
1143 |
return get_errno(futimes(arg1, arg2));
|
1144 |
} |
1145 |
|
1146 |
long do_statfs(char * arg1, struct statfs * arg2) |
1147 |
{ |
1148 |
long ret;
|
1149 |
DPRINTF("statfs(%p, %p)\n", arg1, arg2);
|
1150 |
ret = get_errno(statfs(arg1, arg2)); |
1151 |
if(!is_error(ret))
|
1152 |
byteswap_statfs(arg2); |
1153 |
return ret;
|
1154 |
} |
1155 |
|
1156 |
long do_fstatfs(uint32_t arg1, struct statfs* arg2) |
1157 |
{ |
1158 |
long ret;
|
1159 |
DPRINTF("fstatfs(0x%x, %p)\n",
|
1160 |
arg1, arg2); |
1161 |
ret = get_errno(fstatfs(arg1, arg2)); |
1162 |
if(!is_error(ret))
|
1163 |
byteswap_statfs(arg2); |
1164 |
|
1165 |
return ret;
|
1166 |
} |
1167 |
|
1168 |
long do_stat(char * arg1, struct stat * arg2) |
1169 |
{ |
1170 |
long ret;
|
1171 |
/* XXX: don't let the %s stay in there */
|
1172 |
DPRINTF("stat(%s, %p)\n", arg1, arg2);
|
1173 |
ret = get_errno(stat(arg1, arg2)); |
1174 |
if(!is_error(ret))
|
1175 |
byteswap_stat(arg2); |
1176 |
return ret;
|
1177 |
} |
1178 |
|
1179 |
long do_fstat(uint32_t arg1, struct stat * arg2) |
1180 |
{ |
1181 |
long ret;
|
1182 |
DPRINTF("fstat(0x%x, %p)\n", arg1, arg2);
|
1183 |
ret = get_errno(fstat(arg1, arg2)); |
1184 |
if(!is_error(ret))
|
1185 |
byteswap_stat(arg2); |
1186 |
return ret;
|
1187 |
} |
1188 |
|
1189 |
long do_lstat(char * arg1, struct stat * arg2) |
1190 |
{ |
1191 |
long ret;
|
1192 |
/* XXX: don't let the %s stay in there */
|
1193 |
DPRINTF("lstat(%s, %p)\n", (const char *)arg1, arg2); |
1194 |
ret = get_errno(lstat(arg1, arg2)); |
1195 |
if(!is_error(ret))
|
1196 |
byteswap_stat(arg2); |
1197 |
return ret;
|
1198 |
} |
1199 |
|
1200 |
long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4) |
1201 |
{ |
1202 |
long ret;
|
1203 |
DPRINTF("getdirentries(0x%x, %p, 0x%x, %p)\n", arg1, arg2, arg3, arg4);
|
1204 |
if(arg4)
|
1205 |
tswap32s((uint32_t *)arg4); |
1206 |
ret = get_errno(getdirentries(arg1, arg2, arg3, arg4)); |
1207 |
if(arg4)
|
1208 |
tswap32s((uint32_t *)arg4); |
1209 |
if(!is_error(ret))
|
1210 |
byteswap_dirents(arg2, ret); |
1211 |
return ret;
|
1212 |
} |
1213 |
|
1214 |
long do_lseek(void *cpu_env, int num) |
1215 |
{ |
1216 |
long ret;
|
1217 |
int i = 0; |
1218 |
uint32_t arg1 = get_int_arg(&i, cpu_env); |
1219 |
uint64_t offset = get_int64_arg(&i, cpu_env); |
1220 |
uint32_t arg3 = get_int_arg(&i, cpu_env); |
1221 |
uint64_t r = lseek(arg1, offset, arg3); |
1222 |
#ifdef TARGET_I386
|
1223 |
/* lowest word in eax, highest in edx */
|
1224 |
ret = r & 0xffffffff; /* will be set to eax after do_unix_syscall exit */ |
1225 |
((CPUX86State *)cpu_env)->regs[R_EDX] = (uint32_t)((r >> 32) & 0xffffffff) ; |
1226 |
#elif defined TARGET_PPC
|
1227 |
ret = r & 0xffffffff; /* will be set to r3 after do_unix_syscall exit */ |
1228 |
((CPUPPCState *)cpu_env)->gpr[4] = (uint32_t)((r >> 32) & 0xffffffff) ; |
1229 |
#else
|
1230 |
qerror("64 bit ret value on your arch?");
|
1231 |
#endif
|
1232 |
return get_errno(ret);
|
1233 |
} |
1234 |
|
1235 |
void no_swap(void * oldp, int size) |
1236 |
{ |
1237 |
} |
1238 |
|
1239 |
void sysctl_tswap32s(void * oldp, int size) |
1240 |
{ |
1241 |
tswap32s(oldp); |
1242 |
} |
1243 |
|
1244 |
void bswap_oid(uint32_t * oldp, int size) |
1245 |
{ |
1246 |
int count = size / sizeof(int); |
1247 |
int i = 0; |
1248 |
do { tswap32s(oldp + i); } while (++i < count); |
1249 |
} |
1250 |
|
1251 |
void sysctl_usrstack(uint32_t * oldp, int size) |
1252 |
{ |
1253 |
DPRINTF("sysctl_usrstack: 0x%x\n", *oldp);
|
1254 |
tswap32s(oldp); |
1255 |
} |
1256 |
|
1257 |
void sysctl_ncpu(uint32_t * ncpu, int size) |
1258 |
{ |
1259 |
*ncpu = 0x1;
|
1260 |
DPRINTF("sysctl_ncpu: 0x%x\n", *ncpu);
|
1261 |
tswap32s(ncpu); |
1262 |
} |
1263 |
|
1264 |
void sysctl_exec(char * exec, int size) |
1265 |
{ |
1266 |
DPRINTF("sysctl_exec: %s\n", exec);
|
1267 |
} |
1268 |
|
1269 |
void sysctl_translate(char * exec, int size) |
1270 |
{ |
1271 |
DPRINTF("sysctl_translate: %s\n", exec);
|
1272 |
} |
1273 |
|
1274 |
struct sysctl_dir {
|
1275 |
int num;
|
1276 |
const char * name; |
1277 |
void (*swap_func)(void *, int); |
1278 |
struct sysctl_dir *childs;
|
1279 |
}; |
1280 |
|
1281 |
#define ENTRYD(num, name, childs) { num, name, NULL, childs } |
1282 |
#define ENTRYE(num, name, func) { num, name, (void (*)(void *, int))func, NULL } |
1283 |
struct sysctl_dir sysctls_unspec[] = {
|
1284 |
ENTRYE(3, "oip", bswap_oid), |
1285 |
{ 0, NULL, NULL, NULL } |
1286 |
}; |
1287 |
|
1288 |
struct sysctl_dir sysctls_kern[] = {
|
1289 |
ENTRYE(KERN_TRANSLATE, "translate", sysctl_translate), /* 44 */ |
1290 |
ENTRYE(KERN_EXEC, "exec", sysctl_exec), /* 45 */ |
1291 |
ENTRYE(KERN_USRSTACK32, "KERN_USRSTACK32", sysctl_usrstack), /* 35 */ |
1292 |
ENTRYE(KERN_SHREG_PRIVATIZABLE, "KERN_SHREG_PRIVATIZABLE", sysctl_tswap32s), /* 54 */ |
1293 |
{ 0, NULL, NULL, NULL } |
1294 |
}; |
1295 |
|
1296 |
struct sysctl_dir sysctls_hw[] = {
|
1297 |
ENTRYE(HW_NCPU, "ncpud", sysctl_tswap32s),
|
1298 |
ENTRYE(104, "104", no_swap), |
1299 |
ENTRYE(105, "105", no_swap), |
1300 |
{ 0, NULL, NULL, NULL } |
1301 |
}; |
1302 |
|
1303 |
struct sysctl_dir sysctls[] = {
|
1304 |
ENTRYD(CTL_UNSPEC, "unspec", sysctls_unspec),
|
1305 |
ENTRYD(CTL_KERN, "kern", sysctls_kern),
|
1306 |
ENTRYD(CTL_HW, "hw", sysctls_hw ),
|
1307 |
{ 0, NULL, NULL, NULL } |
1308 |
}; |
1309 |
|
1310 |
#undef ENTRYE
|
1311 |
#undef ENTRYD
|
1312 |
|
1313 |
static inline struct sysctl_dir * get_sysctl_entry_for_mib(int mib, struct sysctl_dir * sysctl_elmt) |
1314 |
{ |
1315 |
if(!sysctl_elmt)
|
1316 |
return NULL; |
1317 |
for(; sysctl_elmt->name != NULL ; sysctl_elmt++) { |
1318 |
if(sysctl_elmt->num == mib)
|
1319 |
return sysctl_elmt;
|
1320 |
} |
1321 |
return NULL; |
1322 |
} |
1323 |
|
1324 |
static inline long bswap_syctl(int * mib, int count, void *buf, int size) |
1325 |
{ |
1326 |
int i;
|
1327 |
struct sysctl_dir * sysctl = sysctls;
|
1328 |
struct sysctl_dir * ret = NULL; |
1329 |
|
1330 |
for(i = 0; i < count; i++) { |
1331 |
|
1332 |
if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))) {
|
1333 |
gemu_log("bswap_syctl: can't find mib %d\n", mib[i]);
|
1334 |
return -ENOTDIR;
|
1335 |
} |
1336 |
if(!(sysctl = sysctl->childs))
|
1337 |
break;
|
1338 |
} |
1339 |
|
1340 |
if(ret->childs)
|
1341 |
qerror("we shouldn't have a directory element\n");
|
1342 |
|
1343 |
ret->swap_func(buf, size); |
1344 |
return 0; |
1345 |
} |
1346 |
|
1347 |
static inline void print_syctl(int * mib, int count) |
1348 |
{ |
1349 |
int i;
|
1350 |
struct sysctl_dir * sysctl = sysctls;
|
1351 |
struct sysctl_dir * ret = NULL; |
1352 |
|
1353 |
for(i = 0; i < count; i++) { |
1354 |
if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))){
|
1355 |
gemu_log("print_syctl: can't find mib %d\n", mib[i]);
|
1356 |
return;
|
1357 |
} |
1358 |
DPRINTF("%s.", sysctl->name);
|
1359 |
if(!(sysctl = sysctl->childs))
|
1360 |
break;
|
1361 |
} |
1362 |
DPRINTF("\n");
|
1363 |
} |
1364 |
|
1365 |
long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen /* ignored */) |
1366 |
{ |
1367 |
long ret = 0; |
1368 |
int i;
|
1369 |
DPRINTF("sysctl(%p, 0x%x, %p, %p, %p, 0x%lx)\n",
|
1370 |
name, namelen, oldp, oldlenp, newp, newlen); |
1371 |
if(name) {
|
1372 |
i = 0;
|
1373 |
do { tswap32s( name + i); } while (++i < namelen); |
1374 |
print_syctl(name, namelen); |
1375 |
//bswap_syctl(name, namelen, newp, newlen);
|
1376 |
tswap32s((uint32_t*)oldlenp); |
1377 |
} |
1378 |
|
1379 |
if(name) /* Sometimes sysctl is called with no arg1, ignore */ |
1380 |
ret = get_errno(sysctl(name, namelen, oldp, oldlenp, newp, newlen)); |
1381 |
|
1382 |
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
|
1383 |
if (!is_error(ret) && bswap_syctl(name, namelen, oldp, *oldlenp) != 0) { |
1384 |
return -ENOTDIR;
|
1385 |
} |
1386 |
#endif
|
1387 |
|
1388 |
if(name) {
|
1389 |
//bswap_syctl(name, namelen, newp, newlen);
|
1390 |
tswap32s((uint32_t*)oldlenp); |
1391 |
|
1392 |
i = 0;
|
1393 |
do { tswap32s( name + i); } while (++i < namelen); |
1394 |
} |
1395 |
return ret;
|
1396 |
} |
1397 |
|
1398 |
long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5) |
1399 |
{ |
1400 |
struct attrlist * attrlist = (void *)arg2; |
1401 |
long ret;
|
1402 |
|
1403 |
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
|
1404 |
gemu_log("SYS_getdirentriesattr unimplemented\n");
|
1405 |
return -ENOTSUP;
|
1406 |
#endif
|
1407 |
/* XXX: don't let the %s stay in there */
|
1408 |
DPRINTF("getattrlist(%s, %p, %p, 0x%x, 0x%x)\n",
|
1409 |
(char *)arg1, arg2, arg3, arg4, arg5);
|
1410 |
|
1411 |
if(arg2) /* XXX: We should handle that in a copy especially |
1412 |
if the structure is not writable */
|
1413 |
byteswap_attrlist(attrlist); |
1414 |
|
1415 |
ret = get_errno(getattrlist((const char* )arg1, attrlist, (void *)arg3, arg4, arg5)); |
1416 |
|
1417 |
if(!is_error(ret))
|
1418 |
{ |
1419 |
byteswap_attrbuf((void *)arg3, attrlist);
|
1420 |
byteswap_attrlist(attrlist); |
1421 |
} |
1422 |
return ret;
|
1423 |
} |
1424 |
|
1425 |
long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8) |
1426 |
{ |
1427 |
DPRINTF("getdirentriesattr(0x%x, %p, %p, 0x%lx, %p, %p, %p, 0x%x)\n",
|
1428 |
arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); |
1429 |
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
|
1430 |
qerror("SYS_getdirentriesattr unimplemented\n");
|
1431 |
#endif
|
1432 |
|
1433 |
return get_errno(getdirentriesattr( arg1, (struct attrlist * )arg2, (void *)arg3, arg4, |
1434 |
(unsigned long *)arg5, (unsigned long *)arg6, |
1435 |
(unsigned long *)arg7, arg8)); |
1436 |
} |
1437 |
|
1438 |
static inline void bswap_flock(struct flock *f) |
1439 |
{ |
1440 |
tswap64s(&f->l_start); |
1441 |
tswap64s(&f->l_len); |
1442 |
tswap32s(&f->l_pid); |
1443 |
tswap16s(&f->l_type); |
1444 |
tswap16s(&f->l_whence); |
1445 |
} |
1446 |
|
1447 |
static inline void bswap_fstore(struct fstore *f) |
1448 |
{ |
1449 |
tswap32s(&f->fst_flags); |
1450 |
tswap32s(&f->fst_posmode); |
1451 |
tswap64s(&f->fst_offset); |
1452 |
tswap64s(&f->fst_length); |
1453 |
tswap64s(&f->fst_bytesalloc); |
1454 |
} |
1455 |
|
1456 |
static inline void bswap_radvisory(struct radvisory *f) |
1457 |
{ |
1458 |
tswap64s(&f->ra_offset); |
1459 |
tswap32s(&f->ra_count); |
1460 |
} |
1461 |
|
1462 |
static inline void bswap_fbootstraptransfer(struct fbootstraptransfer *f) |
1463 |
{ |
1464 |
tswap64s(&f->fbt_offset); |
1465 |
tswap32s((uint32_t*)&f->fbt_length); |
1466 |
tswap32s((uint32_t*)&f->fbt_buffer); /* XXX: this is a ptr */
|
1467 |
} |
1468 |
|
1469 |
static inline void bswap_log2phys(struct log2phys *f) |
1470 |
{ |
1471 |
tswap32s(&f->l2p_flags); |
1472 |
tswap64s(&f->l2p_contigbytes); |
1473 |
tswap64s(&f->l2p_devoffset); |
1474 |
} |
1475 |
|
1476 |
static inline void bswap_fcntl_arg(int cmd, void * arg) |
1477 |
{ |
1478 |
switch(cmd)
|
1479 |
{ |
1480 |
case F_DUPFD:
|
1481 |
case F_GETFD:
|
1482 |
case F_SETFD:
|
1483 |
case F_GETFL:
|
1484 |
case F_SETFL:
|
1485 |
case F_GETOWN:
|
1486 |
case F_SETOWN:
|
1487 |
case F_SETSIZE:
|
1488 |
case F_RDAHEAD:
|
1489 |
case F_FULLFSYNC:
|
1490 |
break;
|
1491 |
case F_GETLK:
|
1492 |
case F_SETLK:
|
1493 |
case F_SETLKW:
|
1494 |
bswap_flock(arg); |
1495 |
break;
|
1496 |
case F_PREALLOCATE:
|
1497 |
bswap_fstore(arg); |
1498 |
break;
|
1499 |
case F_RDADVISE:
|
1500 |
bswap_radvisory(arg); |
1501 |
break;
|
1502 |
case F_READBOOTSTRAP:
|
1503 |
case F_WRITEBOOTSTRAP:
|
1504 |
bswap_fbootstraptransfer(arg); |
1505 |
break;
|
1506 |
case F_LOG2PHYS:
|
1507 |
bswap_log2phys(arg); |
1508 |
break;
|
1509 |
default:
|
1510 |
gemu_log("unknow cmd in fcntl\n");
|
1511 |
} |
1512 |
} |
1513 |
|
1514 |
long do_fcntl(int fd, int cmd, int arg) |
1515 |
{ |
1516 |
long ret;
|
1517 |
bswap_fcntl_arg(cmd, (void *)arg);
|
1518 |
ret = get_errno(fcntl(fd, cmd, arg)); |
1519 |
if(!is_error(ret))
|
1520 |
bswap_fcntl_arg(cmd, (void *)arg);
|
1521 |
return ret;
|
1522 |
} |
1523 |
|
1524 |
long no_syscall(void *cpu_env, int num) |
1525 |
{ |
1526 |
/* XXX: We should probably fordward it to the host kernel */
|
1527 |
qerror("no unix syscall %d\n", num);
|
1528 |
/* not reached */
|
1529 |
return -1; |
1530 |
} |
1531 |
|
1532 |
long unimpl_unix_syscall(void *cpu_env, int num) |
1533 |
{ |
1534 |
if( (num < 0) || (num > SYS_MAXSYSCALL-1) ) |
1535 |
qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1); |
1536 |
|
1537 |
gemu_log("qemu: Unsupported unix syscall %s %d\n", unix_syscall_table[num].name , num);
|
1538 |
gdb_handlesig (cpu_env, SIGTRAP); |
1539 |
exit(-1);
|
1540 |
} |
1541 |
|
1542 |
long do_unix_syscall(void *cpu_env, int num) |
1543 |
{ |
1544 |
long ret = 0; |
1545 |
|
1546 |
DPRINTF("unix syscall %d: " , num);
|
1547 |
|
1548 |
if( (num < 0) || (num > SYS_MAXSYSCALL-1) ) |
1549 |
qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1); |
1550 |
|
1551 |
DPRINTF("%s [%s]", unix_syscall_table[num].name, unix_syscall_table[num].call_type & CALL_DIRECT ? "direct" : "indirect" ); |
1552 |
ret = unix_syscall_table[num].function(cpu_env, num); |
1553 |
|
1554 |
if(!(unix_syscall_table[num].call_type & CALL_NOERRNO))
|
1555 |
ret = get_errno(ret); |
1556 |
|
1557 |
DPRINTF("[returned 0x%x(%d)]\n", (int)ret, (int)ret); |
1558 |
return ret;
|
1559 |
} |
1560 |
|
1561 |
/* ------------------------------------------------------------
|
1562 |
syscall_init
|
1563 |
*/
|
1564 |
void syscall_init(void) |
1565 |
{ |
1566 |
/* Nothing yet */
|
1567 |
} |