root / linux-user / syscall.c @ fdf9b3e8
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/*
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* Linux syscalls
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*
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* Copyright (c) 2003 Fabrice Bellard
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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 <stdlib.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <elf.h> |
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#include <endian.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <time.h> |
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#include <sys/types.h> |
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#include <sys/wait.h> |
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#include <sys/time.h> |
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#include <sys/stat.h> |
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#include <sys/mount.h> |
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#include <sys/resource.h> |
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#include <sys/mman.h> |
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#include <sys/swap.h> |
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#include <signal.h> |
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#include <sched.h> |
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#include <sys/socket.h> |
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#include <sys/uio.h> |
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#include <sys/poll.h> |
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#include <sys/times.h> |
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#include <sys/shm.h> |
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#include <sys/statfs.h> |
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#include <utime.h> |
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#include <sys/sysinfo.h> |
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//#include <sys/user.h>
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#include <netinet/ip.h> |
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#include <netinet/tcp.h> |
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#define termios host_termios
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#define winsize host_winsize
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#define termio host_termio
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#define sgttyb host_sgttyb /* same as target */ |
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#define tchars host_tchars /* same as target */ |
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#define ltchars host_ltchars /* same as target */ |
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#include <linux/termios.h> |
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#include <linux/unistd.h> |
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#include <linux/utsname.h> |
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#include <linux/cdrom.h> |
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#include <linux/hdreg.h> |
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#include <linux/soundcard.h> |
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#include <linux/dirent.h> |
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#include <linux/kd.h> |
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#include "qemu.h" |
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//#define DEBUG
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#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
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/* 16 bit uid wrappers emulation */
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#define USE_UID16
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#endif
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//#include <linux/msdos_fs.h>
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) |
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) |
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#if defined(__powerpc__)
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#undef __syscall_nr
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#undef __sc_loadargs_0
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#undef __sc_loadargs_1
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#undef __sc_loadargs_2
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#undef __sc_loadargs_3
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#undef __sc_loadargs_4
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#undef __sc_loadargs_5
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#undef __sc_asm_input_0
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#undef __sc_asm_input_1
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#undef __sc_asm_input_2
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#undef __sc_asm_input_3
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#undef __sc_asm_input_4
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#undef __sc_asm_input_5
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#undef _syscall0
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#undef _syscall1
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#undef _syscall2
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#undef _syscall3
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#undef _syscall4
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#undef _syscall5
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/* need to redefine syscalls as Linux kernel defines are incorrect for
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the clobber list */
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/* On powerpc a system call basically clobbers the same registers like a
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* function call, with the exception of LR (which is needed for the
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* "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
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* an error return status).
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*/
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#define __syscall_nr(nr, type, name, args...) \
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unsigned long __sc_ret, __sc_err; \ |
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{ \
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register unsigned long __sc_0 __asm__ ("r0"); \ |
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register unsigned long __sc_3 __asm__ ("r3"); \ |
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register unsigned long __sc_4 __asm__ ("r4"); \ |
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register unsigned long __sc_5 __asm__ ("r5"); \ |
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register unsigned long __sc_6 __asm__ ("r6"); \ |
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register unsigned long __sc_7 __asm__ ("r7"); \ |
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\ |
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__sc_loadargs_##nr(name, args); \ |
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__asm__ __volatile__ \ |
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("sc \n\t" \
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"mfcr %0 " \
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: "=&r" (__sc_0), \
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"=&r" (__sc_3), "=&r" (__sc_4), \ |
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"=&r" (__sc_5), "=&r" (__sc_6), \ |
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"=&r" (__sc_7) \
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: __sc_asm_input_##nr \ |
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: "cr0", "ctr", "memory", \ |
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"r8", "r9", "r10","r11", "r12"); \ |
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__sc_ret = __sc_3; \ |
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__sc_err = __sc_0; \ |
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} \ |
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if (__sc_err & 0x10000000) \ |
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{ \
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errno = __sc_ret; \ |
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__sc_ret = -1; \
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} \ |
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return (type) __sc_ret
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#define __sc_loadargs_0(name, dummy...) \
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__sc_0 = __NR_##name |
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#define __sc_loadargs_1(name, arg1) \
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__sc_loadargs_0(name); \ |
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__sc_3 = (unsigned long) (arg1) |
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#define __sc_loadargs_2(name, arg1, arg2) \
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__sc_loadargs_1(name, arg1); \ |
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__sc_4 = (unsigned long) (arg2) |
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#define __sc_loadargs_3(name, arg1, arg2, arg3) \
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__sc_loadargs_2(name, arg1, arg2); \ |
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__sc_5 = (unsigned long) (arg3) |
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#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
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__sc_loadargs_3(name, arg1, arg2, arg3); \ |
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__sc_6 = (unsigned long) (arg4) |
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#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
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__sc_loadargs_4(name, arg1, arg2, arg3, arg4); \ |
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__sc_7 = (unsigned long) (arg5) |
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#define __sc_asm_input_0 "0" (__sc_0) |
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#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3) |
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#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4) |
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#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5) |
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#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6) |
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#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7) |
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#define _syscall0(type,name) \
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type name(void) \
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{ \
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__syscall_nr(0, type, name); \
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} |
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#define _syscall1(type,name,type1,arg1) \
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type name(type1 arg1) \ |
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{ \
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__syscall_nr(1, type, name, arg1); \
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} |
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type name(type1 arg1, type2 arg2) \ |
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{ \
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__syscall_nr(2, type, name, arg1, arg2); \
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} |
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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type name(type1 arg1, type2 arg2, type3 arg3) \ |
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{ \
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__syscall_nr(3, type, name, arg1, arg2, arg3); \
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} |
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ |
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{ \
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__syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
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} |
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
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type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ |
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{ \
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__syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
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} |
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#endif
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_getcwd1 __NR_getcwd
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#define __NR_sys_getdents __NR_getdents
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#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
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#define __NR__llseek __NR_lseek
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#endif
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#ifdef __NR_gettid
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_syscall0(int, gettid)
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#else
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static int gettid(void) { |
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return -ENOSYS;
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} |
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#endif
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_syscall1(int,sys_uname,struct new_utsname *,buf) |
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_syscall2(int,sys_getcwd1,char *,buf,size_t,size) |
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_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); |
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_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); |
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_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
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loff_t *, res, uint, wh); |
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_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) |
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#ifdef __NR_exit_group
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_syscall1(int,exit_group,int,error_code) |
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#endif
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extern int personality(int); |
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extern int flock(int, int); |
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extern int setfsuid(int); |
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extern int setfsgid(int); |
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extern int setresuid(uid_t, uid_t, uid_t); |
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extern int getresuid(uid_t *, uid_t *, uid_t *); |
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extern int setresgid(gid_t, gid_t, gid_t); |
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extern int getresgid(gid_t *, gid_t *, gid_t *); |
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extern int setgroups(int, gid_t *); |
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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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static target_ulong target_brk;
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static target_ulong target_original_brk;
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void target_set_brk(target_ulong new_brk)
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{
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target_original_brk = target_brk = new_brk; |
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} |
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long do_brk(target_ulong new_brk)
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{
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target_ulong brk_page; |
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long mapped_addr;
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int new_alloc_size;
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if (!new_brk)
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return target_brk;
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if (new_brk < target_original_brk)
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return -ENOMEM;
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brk_page = HOST_PAGE_ALIGN(target_brk); |
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/* If the new brk is less than this, set it and we're done... */
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if (new_brk < brk_page) {
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target_brk = new_brk; |
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return target_brk;
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} |
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/* We need to allocate more memory after the brk... */
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new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
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mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
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PROT_READ|PROT_WRITE, |
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MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
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if (is_error(mapped_addr)) {
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return mapped_addr;
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} else {
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target_brk = new_brk; |
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return target_brk;
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} |
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} |
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static inline fd_set *target_to_host_fds(fd_set *fds, |
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target_long *target_fds, int n)
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{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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return (fd_set *)target_fds;
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#else
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int i, b;
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if (target_fds) {
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FD_ZERO(fds); |
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for(i = 0;i < n; i++) { |
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b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> |
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(i & (TARGET_LONG_BITS - 1))) & 1; |
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if (b)
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FD_SET(i, fds); |
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} |
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return fds;
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} else {
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return NULL; |
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} |
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#endif
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} |
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static inline void host_to_target_fds(target_long *target_fds, |
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fd_set *fds, int n)
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{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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/* nothing to do */
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#else
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int i, nw, j, k;
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target_long v; |
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if (target_fds) {
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nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
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k = 0;
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for(i = 0;i < nw; i++) { |
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v = 0;
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for(j = 0; j < TARGET_LONG_BITS; j++) { |
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v |= ((FD_ISSET(k, fds) != 0) << j);
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k++; |
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} |
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target_fds[i] = tswapl(v); |
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} |
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} |
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#endif
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} |
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|
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#if defined(__alpha__)
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#define HOST_HZ 1024 |
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#else
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#define HOST_HZ 100 |
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#endif
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|
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static inline long host_to_target_clock_t(long ticks) |
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{
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#if HOST_HZ == TARGET_HZ
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return ticks;
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#else
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return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
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#endif
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} |
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|
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static inline void host_to_target_rusage(target_ulong target_addr, |
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const struct rusage *rusage) |
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{
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struct target_rusage *target_rusage;
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lock_user_struct(target_rusage, target_addr, 0);
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target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); |
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target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); |
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target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); |
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target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); |
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target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); |
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target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); |
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target_rusage->ru_idrss = tswapl(rusage->ru_idrss); |
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target_rusage->ru_isrss = tswapl(rusage->ru_isrss); |
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target_rusage->ru_minflt = tswapl(rusage->ru_minflt); |
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target_rusage->ru_majflt = tswapl(rusage->ru_majflt); |
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target_rusage->ru_nswap = tswapl(rusage->ru_nswap); |
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target_rusage->ru_inblock = tswapl(rusage->ru_inblock); |
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target_rusage->ru_oublock = tswapl(rusage->ru_oublock); |
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target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); |
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target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); |
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target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); |
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target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); |
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target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); |
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unlock_user_struct(target_rusage, target_addr, 1);
|
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} |
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|
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static inline void target_to_host_timeval(struct timeval *tv, |
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target_ulong target_addr) |
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{
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struct target_timeval *target_tv;
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lock_user_struct(target_tv, target_addr, 1);
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tv->tv_sec = tswapl(target_tv->tv_sec); |
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tv->tv_usec = tswapl(target_tv->tv_usec); |
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unlock_user_struct(target_tv, target_addr, 0);
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} |
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|
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static inline void host_to_target_timeval(target_ulong target_addr, |
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const struct timeval *tv) |
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{
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struct target_timeval *target_tv;
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lock_user_struct(target_tv, target_addr, 0);
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target_tv->tv_sec = tswapl(tv->tv_sec); |
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target_tv->tv_usec = tswapl(tv->tv_usec); |
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unlock_user_struct(target_tv, target_addr, 1);
|
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} |
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|
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|
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static long do_select(long n, |
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target_ulong rfd_p, target_ulong wfd_p, |
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target_ulong efd_p, target_ulong target_tv) |
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{
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fd_set rfds, wfds, efds; |
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fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
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target_long *target_rfds, *target_wfds, *target_efds; |
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struct timeval tv, *tv_ptr;
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long ret;
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int ok;
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|
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if (rfd_p) {
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target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1); |
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rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); |
| 420 |
} else {
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target_rfds = NULL;
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rfds_ptr = NULL;
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} |
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if (wfd_p) {
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| 425 |
target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1); |
| 426 |
wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); |
| 427 |
} else {
|
| 428 |
target_wfds = NULL;
|
| 429 |
wfds_ptr = NULL;
|
| 430 |
} |
| 431 |
if (efd_p) {
|
| 432 |
target_efds = lock_user(efd_p, sizeof(target_long) * n, 1); |
| 433 |
efds_ptr = target_to_host_fds(&efds, target_efds, n); |
| 434 |
} else {
|
| 435 |
target_efds = NULL;
|
| 436 |
efds_ptr = NULL;
|
| 437 |
} |
| 438 |
|
| 439 |
if (target_tv) {
|
| 440 |
target_to_host_timeval(&tv, target_tv); |
| 441 |
tv_ptr = &tv; |
| 442 |
} else {
|
| 443 |
tv_ptr = NULL;
|
| 444 |
} |
| 445 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
| 446 |
ok = !is_error(ret); |
| 447 |
|
| 448 |
if (ok) {
|
| 449 |
host_to_target_fds(target_rfds, rfds_ptr, n); |
| 450 |
host_to_target_fds(target_wfds, wfds_ptr, n); |
| 451 |
host_to_target_fds(target_efds, efds_ptr, n); |
| 452 |
|
| 453 |
if (target_tv) {
|
| 454 |
host_to_target_timeval(target_tv, &tv); |
| 455 |
} |
| 456 |
} |
| 457 |
if (target_rfds)
|
| 458 |
unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0); |
| 459 |
if (target_wfds)
|
| 460 |
unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0); |
| 461 |
if (target_efds)
|
| 462 |
unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0); |
| 463 |
|
| 464 |
return ret;
|
| 465 |
} |
| 466 |
|
| 467 |
static inline void target_to_host_sockaddr(struct sockaddr *addr, |
| 468 |
target_ulong target_addr, |
| 469 |
socklen_t len) |
| 470 |
{
|
| 471 |
struct target_sockaddr *target_saddr;
|
| 472 |
|
| 473 |
target_saddr = lock_user(target_addr, len, 1);
|
| 474 |
memcpy(addr, target_saddr, len); |
| 475 |
addr->sa_family = tswap16(target_saddr->sa_family); |
| 476 |
unlock_user(target_saddr, target_addr, 0);
|
| 477 |
} |
| 478 |
|
| 479 |
static inline void host_to_target_sockaddr(target_ulong target_addr, |
| 480 |
struct sockaddr *addr,
|
| 481 |
socklen_t len) |
| 482 |
{
|
| 483 |
struct target_sockaddr *target_saddr;
|
| 484 |
|
| 485 |
target_saddr = lock_user(target_addr, len, 0);
|
| 486 |
memcpy(target_saddr, addr, len); |
| 487 |
target_saddr->sa_family = tswap16(addr->sa_family); |
| 488 |
unlock_user(target_saddr, target_addr, len); |
| 489 |
} |
| 490 |
|
| 491 |
/* ??? Should this also swap msgh->name? */
|
| 492 |
static inline void target_to_host_cmsg(struct msghdr *msgh, |
| 493 |
struct target_msghdr *target_msgh)
|
| 494 |
{
|
| 495 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
| 496 |
struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
|
| 497 |
socklen_t space = 0;
|
| 498 |
|
| 499 |
while (cmsg && target_cmsg) {
|
| 500 |
void *data = CMSG_DATA(cmsg);
|
| 501 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
| 502 |
|
| 503 |
int len = tswapl(target_cmsg->cmsg_len)
|
| 504 |
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
| 505 |
|
| 506 |
space += CMSG_SPACE(len); |
| 507 |
if (space > msgh->msg_controllen) {
|
| 508 |
space -= CMSG_SPACE(len); |
| 509 |
gemu_log("Host cmsg overflow\n");
|
| 510 |
break;
|
| 511 |
} |
| 512 |
|
| 513 |
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
| 514 |
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
| 515 |
cmsg->cmsg_len = CMSG_LEN(len); |
| 516 |
|
| 517 |
if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
| 518 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
| 519 |
memcpy(data, target_data, len); |
| 520 |
} else {
|
| 521 |
int *fd = (int *)data; |
| 522 |
int *target_fd = (int *)target_data; |
| 523 |
int i, numfds = len / sizeof(int); |
| 524 |
|
| 525 |
for (i = 0; i < numfds; i++) |
| 526 |
fd[i] = tswap32(target_fd[i]); |
| 527 |
} |
| 528 |
|
| 529 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
| 530 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| 531 |
} |
| 532 |
|
| 533 |
msgh->msg_controllen = space; |
| 534 |
} |
| 535 |
|
| 536 |
/* ??? Should this also swap msgh->name? */
|
| 537 |
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, |
| 538 |
struct msghdr *msgh)
|
| 539 |
{
|
| 540 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
| 541 |
struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
|
| 542 |
socklen_t space = 0;
|
| 543 |
|
| 544 |
while (cmsg && target_cmsg) {
|
| 545 |
void *data = CMSG_DATA(cmsg);
|
| 546 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
| 547 |
|
| 548 |
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
| 549 |
|
| 550 |
space += TARGET_CMSG_SPACE(len); |
| 551 |
if (space > tswapl(target_msgh->msg_controllen)) {
|
| 552 |
space -= TARGET_CMSG_SPACE(len); |
| 553 |
gemu_log("Target cmsg overflow\n");
|
| 554 |
break;
|
| 555 |
} |
| 556 |
|
| 557 |
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
| 558 |
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
| 559 |
target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); |
| 560 |
|
| 561 |
if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
| 562 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
| 563 |
memcpy(target_data, data, len); |
| 564 |
} else {
|
| 565 |
int *fd = (int *)data; |
| 566 |
int *target_fd = (int *)target_data; |
| 567 |
int i, numfds = len / sizeof(int); |
| 568 |
|
| 569 |
for (i = 0; i < numfds; i++) |
| 570 |
target_fd[i] = tswap32(fd[i]); |
| 571 |
} |
| 572 |
|
| 573 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
| 574 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| 575 |
} |
| 576 |
|
| 577 |
msgh->msg_controllen = tswapl(space); |
| 578 |
} |
| 579 |
|
| 580 |
static long do_setsockopt(int sockfd, int level, int optname, |
| 581 |
target_ulong optval, socklen_t optlen) |
| 582 |
{
|
| 583 |
int val, ret;
|
| 584 |
|
| 585 |
switch(level) {
|
| 586 |
case SOL_TCP:
|
| 587 |
/* TCP options all take an 'int' value. */
|
| 588 |
if (optlen < sizeof(uint32_t)) |
| 589 |
return -EINVAL;
|
| 590 |
|
| 591 |
val = tget32(optval); |
| 592 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 593 |
break;
|
| 594 |
case SOL_IP:
|
| 595 |
switch(optname) {
|
| 596 |
case IP_TOS:
|
| 597 |
case IP_TTL:
|
| 598 |
case IP_HDRINCL:
|
| 599 |
case IP_ROUTER_ALERT:
|
| 600 |
case IP_RECVOPTS:
|
| 601 |
case IP_RETOPTS:
|
| 602 |
case IP_PKTINFO:
|
| 603 |
case IP_MTU_DISCOVER:
|
| 604 |
case IP_RECVERR:
|
| 605 |
case IP_RECVTOS:
|
| 606 |
#ifdef IP_FREEBIND
|
| 607 |
case IP_FREEBIND:
|
| 608 |
#endif
|
| 609 |
case IP_MULTICAST_TTL:
|
| 610 |
case IP_MULTICAST_LOOP:
|
| 611 |
val = 0;
|
| 612 |
if (optlen >= sizeof(uint32_t)) { |
| 613 |
val = tget32(optval); |
| 614 |
} else if (optlen >= 1) { |
| 615 |
val = tget8(optval); |
| 616 |
} |
| 617 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 618 |
break;
|
| 619 |
default:
|
| 620 |
goto unimplemented;
|
| 621 |
} |
| 622 |
break;
|
| 623 |
case SOL_SOCKET:
|
| 624 |
switch (optname) {
|
| 625 |
/* Options with 'int' argument. */
|
| 626 |
case SO_DEBUG:
|
| 627 |
case SO_REUSEADDR:
|
| 628 |
case SO_TYPE:
|
| 629 |
case SO_ERROR:
|
| 630 |
case SO_DONTROUTE:
|
| 631 |
case SO_BROADCAST:
|
| 632 |
case SO_SNDBUF:
|
| 633 |
case SO_RCVBUF:
|
| 634 |
case SO_KEEPALIVE:
|
| 635 |
case SO_OOBINLINE:
|
| 636 |
case SO_NO_CHECK:
|
| 637 |
case SO_PRIORITY:
|
| 638 |
#ifdef SO_BSDCOMPAT
|
| 639 |
case SO_BSDCOMPAT:
|
| 640 |
#endif
|
| 641 |
case SO_PASSCRED:
|
| 642 |
case SO_TIMESTAMP:
|
| 643 |
case SO_RCVLOWAT:
|
| 644 |
case SO_RCVTIMEO:
|
| 645 |
case SO_SNDTIMEO:
|
| 646 |
if (optlen < sizeof(uint32_t)) |
| 647 |
return -EINVAL;
|
| 648 |
|
| 649 |
val = tget32(optval); |
| 650 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 651 |
break;
|
| 652 |
default:
|
| 653 |
goto unimplemented;
|
| 654 |
} |
| 655 |
break;
|
| 656 |
default:
|
| 657 |
unimplemented:
|
| 658 |
gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
|
| 659 |
ret = -ENOSYS; |
| 660 |
} |
| 661 |
return ret;
|
| 662 |
} |
| 663 |
|
| 664 |
static long do_getsockopt(int sockfd, int level, int optname, |
| 665 |
target_ulong optval, target_ulong optlen) |
| 666 |
{
|
| 667 |
int len, lv, val, ret;
|
| 668 |
|
| 669 |
switch(level) {
|
| 670 |
case SOL_SOCKET:
|
| 671 |
switch (optname) {
|
| 672 |
case SO_LINGER:
|
| 673 |
case SO_RCVTIMEO:
|
| 674 |
case SO_SNDTIMEO:
|
| 675 |
case SO_PEERCRED:
|
| 676 |
case SO_PEERNAME:
|
| 677 |
/* These don't just return a single integer */
|
| 678 |
goto unimplemented;
|
| 679 |
default:
|
| 680 |
goto int_case;
|
| 681 |
} |
| 682 |
break;
|
| 683 |
case SOL_TCP:
|
| 684 |
/* TCP options all take an 'int' value. */
|
| 685 |
int_case:
|
| 686 |
len = tget32(optlen); |
| 687 |
if (len < 0) |
| 688 |
return -EINVAL;
|
| 689 |
lv = sizeof(int); |
| 690 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| 691 |
if (ret < 0) |
| 692 |
return ret;
|
| 693 |
val = tswap32(val); |
| 694 |
if (len > lv)
|
| 695 |
len = lv; |
| 696 |
if (len == 4) |
| 697 |
tput32(optval, val); |
| 698 |
else
|
| 699 |
tput8(optval, val); |
| 700 |
tput32(optlen, len); |
| 701 |
break;
|
| 702 |
case SOL_IP:
|
| 703 |
switch(optname) {
|
| 704 |
case IP_TOS:
|
| 705 |
case IP_TTL:
|
| 706 |
case IP_HDRINCL:
|
| 707 |
case IP_ROUTER_ALERT:
|
| 708 |
case IP_RECVOPTS:
|
| 709 |
case IP_RETOPTS:
|
| 710 |
case IP_PKTINFO:
|
| 711 |
case IP_MTU_DISCOVER:
|
| 712 |
case IP_RECVERR:
|
| 713 |
case IP_RECVTOS:
|
| 714 |
#ifdef IP_FREEBIND
|
| 715 |
case IP_FREEBIND:
|
| 716 |
#endif
|
| 717 |
case IP_MULTICAST_TTL:
|
| 718 |
case IP_MULTICAST_LOOP:
|
| 719 |
len = tget32(optlen); |
| 720 |
if (len < 0) |
| 721 |
return -EINVAL;
|
| 722 |
lv = sizeof(int); |
| 723 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| 724 |
if (ret < 0) |
| 725 |
return ret;
|
| 726 |
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
| 727 |
len = 1;
|
| 728 |
tput32(optlen, len); |
| 729 |
tput8(optval, val); |
| 730 |
} else {
|
| 731 |
if (len > sizeof(int)) |
| 732 |
len = sizeof(int); |
| 733 |
tput32(optlen, len); |
| 734 |
tput32(optval, val); |
| 735 |
} |
| 736 |
break;
|
| 737 |
default:
|
| 738 |
goto unimplemented;
|
| 739 |
} |
| 740 |
break;
|
| 741 |
default:
|
| 742 |
unimplemented:
|
| 743 |
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
| 744 |
level, optname); |
| 745 |
ret = -ENOSYS; |
| 746 |
break;
|
| 747 |
} |
| 748 |
return ret;
|
| 749 |
} |
| 750 |
|
| 751 |
static void lock_iovec(struct iovec *vec, target_ulong target_addr, |
| 752 |
int count, int copy) |
| 753 |
{
|
| 754 |
struct target_iovec *target_vec;
|
| 755 |
target_ulong base; |
| 756 |
int i;
|
| 757 |
|
| 758 |
target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); |
| 759 |
for(i = 0;i < count; i++) { |
| 760 |
base = tswapl(target_vec[i].iov_base); |
| 761 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
| 762 |
vec[i].iov_base = lock_user(base, vec[i].iov_len, copy); |
| 763 |
} |
| 764 |
unlock_user (target_vec, target_addr, 0);
|
| 765 |
} |
| 766 |
|
| 767 |
static void unlock_iovec(struct iovec *vec, target_ulong target_addr, |
| 768 |
int count, int copy) |
| 769 |
{
|
| 770 |
struct target_iovec *target_vec;
|
| 771 |
target_ulong base; |
| 772 |
int i;
|
| 773 |
|
| 774 |
target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); |
| 775 |
for(i = 0;i < count; i++) { |
| 776 |
base = tswapl(target_vec[i].iov_base); |
| 777 |
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
| 778 |
} |
| 779 |
unlock_user (target_vec, target_addr, 0);
|
| 780 |
} |
| 781 |
|
| 782 |
static long do_socketcall(int num, target_ulong vptr) |
| 783 |
{
|
| 784 |
long ret;
|
| 785 |
const int n = sizeof(target_ulong); |
| 786 |
|
| 787 |
switch(num) {
|
| 788 |
case SOCKOP_socket:
|
| 789 |
{
|
| 790 |
int domain = tgetl(vptr);
|
| 791 |
int type = tgetl(vptr + n);
|
| 792 |
int protocol = tgetl(vptr + 2 * n); |
| 793 |
|
| 794 |
ret = get_errno(socket(domain, type, protocol)); |
| 795 |
} |
| 796 |
break;
|
| 797 |
case SOCKOP_bind:
|
| 798 |
{
|
| 799 |
int sockfd = tgetl(vptr);
|
| 800 |
target_ulong target_addr = tgetl(vptr + n); |
| 801 |
socklen_t addrlen = tgetl(vptr + 2 * n);
|
| 802 |
void *addr = alloca(addrlen);
|
| 803 |
|
| 804 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
| 805 |
ret = get_errno(bind(sockfd, addr, addrlen)); |
| 806 |
} |
| 807 |
break;
|
| 808 |
case SOCKOP_connect:
|
| 809 |
{
|
| 810 |
int sockfd = tgetl(vptr);
|
| 811 |
target_ulong target_addr = tgetl(vptr + n); |
| 812 |
socklen_t addrlen = tgetl(vptr + 2 * n);
|
| 813 |
void *addr = alloca(addrlen);
|
| 814 |
|
| 815 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
| 816 |
ret = get_errno(connect(sockfd, addr, addrlen)); |
| 817 |
} |
| 818 |
break;
|
| 819 |
case SOCKOP_listen:
|
| 820 |
{
|
| 821 |
int sockfd = tgetl(vptr);
|
| 822 |
int backlog = tgetl(vptr + n);
|
| 823 |
|
| 824 |
ret = get_errno(listen(sockfd, backlog)); |
| 825 |
} |
| 826 |
break;
|
| 827 |
case SOCKOP_accept:
|
| 828 |
{
|
| 829 |
int sockfd = tgetl(vptr);
|
| 830 |
target_ulong target_addr = tgetl(vptr + n); |
| 831 |
target_ulong target_addrlen = tgetl(vptr + 2 * n);
|
| 832 |
socklen_t addrlen = tget32(target_addrlen); |
| 833 |
void *addr = alloca(addrlen);
|
| 834 |
|
| 835 |
ret = get_errno(accept(sockfd, addr, &addrlen)); |
| 836 |
if (!is_error(ret)) {
|
| 837 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 838 |
tput32(target_addrlen, addrlen); |
| 839 |
} |
| 840 |
} |
| 841 |
break;
|
| 842 |
case SOCKOP_getsockname:
|
| 843 |
{
|
| 844 |
int sockfd = tgetl(vptr);
|
| 845 |
target_ulong target_addr = tgetl(vptr + n); |
| 846 |
target_ulong target_addrlen = tgetl(vptr + 2 * n);
|
| 847 |
socklen_t addrlen = tget32(target_addrlen); |
| 848 |
void *addr = alloca(addrlen);
|
| 849 |
|
| 850 |
ret = get_errno(getsockname(sockfd, addr, &addrlen)); |
| 851 |
if (!is_error(ret)) {
|
| 852 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 853 |
tput32(target_addrlen, addrlen); |
| 854 |
} |
| 855 |
} |
| 856 |
break;
|
| 857 |
case SOCKOP_getpeername:
|
| 858 |
{
|
| 859 |
int sockfd = tgetl(vptr);
|
| 860 |
target_ulong target_addr = tgetl(vptr + n); |
| 861 |
target_ulong target_addrlen = tgetl(vptr + 2 * n);
|
| 862 |
socklen_t addrlen = tget32(target_addrlen); |
| 863 |
void *addr = alloca(addrlen);
|
| 864 |
|
| 865 |
ret = get_errno(getpeername(sockfd, addr, &addrlen)); |
| 866 |
if (!is_error(ret)) {
|
| 867 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 868 |
tput32(target_addrlen, addrlen); |
| 869 |
} |
| 870 |
} |
| 871 |
break;
|
| 872 |
case SOCKOP_socketpair:
|
| 873 |
{
|
| 874 |
int domain = tgetl(vptr);
|
| 875 |
int type = tgetl(vptr + n);
|
| 876 |
int protocol = tgetl(vptr + 2 * n); |
| 877 |
target_ulong target_tab = tgetl(vptr + 3 * n);
|
| 878 |
int tab[2]; |
| 879 |
|
| 880 |
ret = get_errno(socketpair(domain, type, protocol, tab)); |
| 881 |
if (!is_error(ret)) {
|
| 882 |
tput32(target_tab, tab[0]);
|
| 883 |
tput32(target_tab + 4, tab[1]); |
| 884 |
} |
| 885 |
} |
| 886 |
break;
|
| 887 |
case SOCKOP_send:
|
| 888 |
{
|
| 889 |
int sockfd = tgetl(vptr);
|
| 890 |
target_ulong msg = tgetl(vptr + n); |
| 891 |
size_t len = tgetl(vptr + 2 * n);
|
| 892 |
int flags = tgetl(vptr + 3 * n); |
| 893 |
void *host_msg;
|
| 894 |
|
| 895 |
host_msg = lock_user(msg, len, 1);
|
| 896 |
ret = get_errno(send(sockfd, host_msg, len, flags)); |
| 897 |
unlock_user(host_msg, msg, 0);
|
| 898 |
} |
| 899 |
break;
|
| 900 |
case SOCKOP_recv:
|
| 901 |
{
|
| 902 |
int sockfd = tgetl(vptr);
|
| 903 |
target_ulong msg = tgetl(vptr + n); |
| 904 |
size_t len = tgetl(vptr + 2 * n);
|
| 905 |
int flags = tgetl(vptr + 3 * n); |
| 906 |
void *host_msg;
|
| 907 |
|
| 908 |
host_msg = lock_user(msg, len, 0);
|
| 909 |
ret = get_errno(recv(sockfd, host_msg, len, flags)); |
| 910 |
unlock_user(host_msg, msg, ret); |
| 911 |
} |
| 912 |
break;
|
| 913 |
case SOCKOP_sendto:
|
| 914 |
{
|
| 915 |
int sockfd = tgetl(vptr);
|
| 916 |
target_ulong msg = tgetl(vptr + n); |
| 917 |
size_t len = tgetl(vptr + 2 * n);
|
| 918 |
int flags = tgetl(vptr + 3 * n); |
| 919 |
target_ulong target_addr = tgetl(vptr + 4 * n);
|
| 920 |
socklen_t addrlen = tgetl(vptr + 5 * n);
|
| 921 |
void *addr = alloca(addrlen);
|
| 922 |
void *host_msg;
|
| 923 |
|
| 924 |
host_msg = lock_user(msg, len, 1);
|
| 925 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
| 926 |
ret = get_errno(sendto(sockfd, host_msg, len, flags, addr, addrlen)); |
| 927 |
unlock_user(host_msg, msg, 0);
|
| 928 |
} |
| 929 |
break;
|
| 930 |
case SOCKOP_recvfrom:
|
| 931 |
{
|
| 932 |
int sockfd = tgetl(vptr);
|
| 933 |
target_ulong msg = tgetl(vptr + n); |
| 934 |
size_t len = tgetl(vptr + 2 * n);
|
| 935 |
int flags = tgetl(vptr + 3 * n); |
| 936 |
target_ulong target_addr = tgetl(vptr + 4 * n);
|
| 937 |
target_ulong target_addrlen = tgetl(vptr + 5 * n);
|
| 938 |
socklen_t addrlen = tget32(target_addrlen); |
| 939 |
void *addr = alloca(addrlen);
|
| 940 |
void *host_msg;
|
| 941 |
|
| 942 |
host_msg = lock_user(msg, len, 0);
|
| 943 |
ret = get_errno(recvfrom(sockfd, host_msg, len, flags, addr, &addrlen)); |
| 944 |
if (!is_error(ret)) {
|
| 945 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 946 |
tput32(target_addrlen, addrlen); |
| 947 |
unlock_user(host_msg, msg, len); |
| 948 |
} else {
|
| 949 |
unlock_user(host_msg, msg, 0);
|
| 950 |
} |
| 951 |
} |
| 952 |
break;
|
| 953 |
case SOCKOP_shutdown:
|
| 954 |
{
|
| 955 |
int sockfd = tgetl(vptr);
|
| 956 |
int how = tgetl(vptr + n);
|
| 957 |
|
| 958 |
ret = get_errno(shutdown(sockfd, how)); |
| 959 |
} |
| 960 |
break;
|
| 961 |
case SOCKOP_sendmsg:
|
| 962 |
case SOCKOP_recvmsg:
|
| 963 |
{
|
| 964 |
int fd;
|
| 965 |
target_ulong target_msg; |
| 966 |
struct target_msghdr *msgp;
|
| 967 |
struct msghdr msg;
|
| 968 |
int flags, count;
|
| 969 |
struct iovec *vec;
|
| 970 |
target_ulong target_vec; |
| 971 |
int send = (num == SOCKOP_sendmsg);
|
| 972 |
|
| 973 |
target_msg = tgetl(vptr + n); |
| 974 |
lock_user_struct(msgp, target_msg, 1);
|
| 975 |
if (msgp->msg_name) {
|
| 976 |
msg.msg_namelen = tswap32(msgp->msg_namelen); |
| 977 |
msg.msg_name = alloca(msg.msg_namelen); |
| 978 |
target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), |
| 979 |
msg.msg_namelen); |
| 980 |
} else {
|
| 981 |
msg.msg_name = NULL;
|
| 982 |
msg.msg_namelen = 0;
|
| 983 |
} |
| 984 |
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
|
| 985 |
msg.msg_control = alloca(msg.msg_controllen); |
| 986 |
msg.msg_flags = tswap32(msgp->msg_flags); |
| 987 |
|
| 988 |
count = tswapl(msgp->msg_iovlen); |
| 989 |
vec = alloca(count * sizeof(struct iovec)); |
| 990 |
target_vec = tswapl(msgp->msg_iov); |
| 991 |
lock_iovec(vec, target_vec, count, send); |
| 992 |
msg.msg_iovlen = count; |
| 993 |
msg.msg_iov = vec; |
| 994 |
|
| 995 |
fd = tgetl(vptr); |
| 996 |
flags = tgetl(vptr + 2 * n);
|
| 997 |
if (send) {
|
| 998 |
target_to_host_cmsg(&msg, msgp); |
| 999 |
ret = get_errno(sendmsg(fd, &msg, flags)); |
| 1000 |
} else {
|
| 1001 |
ret = get_errno(recvmsg(fd, &msg, flags)); |
| 1002 |
if (!is_error(ret))
|
| 1003 |
host_to_target_cmsg(msgp, &msg); |
| 1004 |
} |
| 1005 |
unlock_iovec(vec, target_vec, count, !send); |
| 1006 |
} |
| 1007 |
break;
|
| 1008 |
case SOCKOP_setsockopt:
|
| 1009 |
{
|
| 1010 |
int sockfd = tgetl(vptr);
|
| 1011 |
int level = tgetl(vptr + n);
|
| 1012 |
int optname = tgetl(vptr + 2 * n); |
| 1013 |
target_ulong optval = tgetl(vptr + 3 * n);
|
| 1014 |
socklen_t optlen = tgetl(vptr + 4 * n);
|
| 1015 |
|
| 1016 |
ret = do_setsockopt(sockfd, level, optname, optval, optlen); |
| 1017 |
} |
| 1018 |
break;
|
| 1019 |
case SOCKOP_getsockopt:
|
| 1020 |
{
|
| 1021 |
int sockfd = tgetl(vptr);
|
| 1022 |
int level = tgetl(vptr + n);
|
| 1023 |
int optname = tgetl(vptr + 2 * n); |
| 1024 |
target_ulong optval = tgetl(vptr + 3 * n);
|
| 1025 |
target_ulong poptlen = tgetl(vptr + 4 * n);
|
| 1026 |
|
| 1027 |
ret = do_getsockopt(sockfd, level, optname, optval, poptlen); |
| 1028 |
} |
| 1029 |
break;
|
| 1030 |
default:
|
| 1031 |
gemu_log("Unsupported socketcall: %d\n", num);
|
| 1032 |
ret = -ENOSYS; |
| 1033 |
break;
|
| 1034 |
} |
| 1035 |
return ret;
|
| 1036 |
} |
| 1037 |
|
| 1038 |
|
| 1039 |
#define N_SHM_REGIONS 32 |
| 1040 |
|
| 1041 |
static struct shm_region { |
| 1042 |
uint32_t start; |
| 1043 |
uint32_t size; |
| 1044 |
} shm_regions[N_SHM_REGIONS]; |
| 1045 |
|
| 1046 |
/* ??? This only works with linear mappings. */
|
| 1047 |
static long do_ipc(long call, long first, long second, long third, |
| 1048 |
long ptr, long fifth) |
| 1049 |
{
|
| 1050 |
int version;
|
| 1051 |
long ret = 0; |
| 1052 |
unsigned long raddr; |
| 1053 |
struct shmid_ds shm_info;
|
| 1054 |
int i;
|
| 1055 |
|
| 1056 |
version = call >> 16;
|
| 1057 |
call &= 0xffff;
|
| 1058 |
|
| 1059 |
switch (call) {
|
| 1060 |
case IPCOP_shmat:
|
| 1061 |
/* SHM_* flags are the same on all linux platforms */
|
| 1062 |
ret = get_errno((long) shmat(first, (void *) ptr, second)); |
| 1063 |
if (is_error(ret))
|
| 1064 |
break;
|
| 1065 |
raddr = ret; |
| 1066 |
/* find out the length of the shared memory segment */
|
| 1067 |
|
| 1068 |
ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); |
| 1069 |
if (is_error(ret)) {
|
| 1070 |
/* can't get length, bail out */
|
| 1071 |
shmdt((void *) raddr);
|
| 1072 |
break;
|
| 1073 |
} |
| 1074 |
page_set_flags(raddr, raddr + shm_info.shm_segsz, |
| 1075 |
PAGE_VALID | PAGE_READ | |
| 1076 |
((second & SHM_RDONLY)? 0: PAGE_WRITE));
|
| 1077 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
| 1078 |
if (shm_regions[i].start == 0) { |
| 1079 |
shm_regions[i].start = raddr; |
| 1080 |
shm_regions[i].size = shm_info.shm_segsz; |
| 1081 |
break;
|
| 1082 |
} |
| 1083 |
} |
| 1084 |
if (put_user(raddr, (uint32_t *)third))
|
| 1085 |
return -EFAULT;
|
| 1086 |
ret = 0;
|
| 1087 |
break;
|
| 1088 |
case IPCOP_shmdt:
|
| 1089 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
| 1090 |
if (shm_regions[i].start == ptr) {
|
| 1091 |
shm_regions[i].start = 0;
|
| 1092 |
page_set_flags(ptr, shm_regions[i].size, 0);
|
| 1093 |
break;
|
| 1094 |
} |
| 1095 |
} |
| 1096 |
ret = get_errno(shmdt((void *) ptr));
|
| 1097 |
break;
|
| 1098 |
|
| 1099 |
case IPCOP_shmget:
|
| 1100 |
/* IPC_* flag values are the same on all linux platforms */
|
| 1101 |
ret = get_errno(shmget(first, second, third)); |
| 1102 |
break;
|
| 1103 |
|
| 1104 |
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
| 1105 |
case IPCOP_shmctl:
|
| 1106 |
switch(second) {
|
| 1107 |
case IPC_RMID:
|
| 1108 |
case SHM_LOCK:
|
| 1109 |
case SHM_UNLOCK:
|
| 1110 |
ret = get_errno(shmctl(first, second, NULL));
|
| 1111 |
break;
|
| 1112 |
default:
|
| 1113 |
goto unimplemented;
|
| 1114 |
} |
| 1115 |
break;
|
| 1116 |
default:
|
| 1117 |
unimplemented:
|
| 1118 |
gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
|
| 1119 |
ret = -ENOSYS; |
| 1120 |
break;
|
| 1121 |
} |
| 1122 |
return ret;
|
| 1123 |
} |
| 1124 |
|
| 1125 |
/* kernel structure types definitions */
|
| 1126 |
#define IFNAMSIZ 16 |
| 1127 |
|
| 1128 |
#define STRUCT(name, list...) STRUCT_ ## name, |
| 1129 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
| 1130 |
enum {
|
| 1131 |
#include "syscall_types.h" |
| 1132 |
}; |
| 1133 |
#undef STRUCT
|
| 1134 |
#undef STRUCT_SPECIAL
|
| 1135 |
|
| 1136 |
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
| 1137 |
#define STRUCT_SPECIAL(name)
|
| 1138 |
#include "syscall_types.h" |
| 1139 |
#undef STRUCT
|
| 1140 |
#undef STRUCT_SPECIAL
|
| 1141 |
|
| 1142 |
typedef struct IOCTLEntry { |
| 1143 |
unsigned int target_cmd; |
| 1144 |
unsigned int host_cmd; |
| 1145 |
const char *name; |
| 1146 |
int access;
|
| 1147 |
const argtype arg_type[5]; |
| 1148 |
} IOCTLEntry; |
| 1149 |
|
| 1150 |
#define IOC_R 0x0001 |
| 1151 |
#define IOC_W 0x0002 |
| 1152 |
#define IOC_RW (IOC_R | IOC_W)
|
| 1153 |
|
| 1154 |
#define MAX_STRUCT_SIZE 4096 |
| 1155 |
|
| 1156 |
IOCTLEntry ioctl_entries[] = {
|
| 1157 |
#define IOCTL(cmd, access, types...) \
|
| 1158 |
{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
|
| 1159 |
#include "ioctls.h" |
| 1160 |
{ 0, 0, },
|
| 1161 |
}; |
| 1162 |
|
| 1163 |
/* ??? Implement proper locking for ioctls. */
|
| 1164 |
static long do_ioctl(long fd, long cmd, long arg) |
| 1165 |
{
|
| 1166 |
const IOCTLEntry *ie;
|
| 1167 |
const argtype *arg_type;
|
| 1168 |
long ret;
|
| 1169 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
| 1170 |
int target_size;
|
| 1171 |
void *argptr;
|
| 1172 |
|
| 1173 |
ie = ioctl_entries; |
| 1174 |
for(;;) {
|
| 1175 |
if (ie->target_cmd == 0) { |
| 1176 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
|
| 1177 |
return -ENOSYS;
|
| 1178 |
} |
| 1179 |
if (ie->target_cmd == cmd)
|
| 1180 |
break;
|
| 1181 |
ie++; |
| 1182 |
} |
| 1183 |
arg_type = ie->arg_type; |
| 1184 |
#if defined(DEBUG)
|
| 1185 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
|
| 1186 |
#endif
|
| 1187 |
switch(arg_type[0]) { |
| 1188 |
case TYPE_NULL:
|
| 1189 |
/* no argument */
|
| 1190 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
| 1191 |
break;
|
| 1192 |
case TYPE_PTRVOID:
|
| 1193 |
case TYPE_INT:
|
| 1194 |
/* int argment */
|
| 1195 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
| 1196 |
break;
|
| 1197 |
case TYPE_PTR:
|
| 1198 |
arg_type++; |
| 1199 |
target_size = thunk_type_size(arg_type, 0);
|
| 1200 |
switch(ie->access) {
|
| 1201 |
case IOC_R:
|
| 1202 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 1203 |
if (!is_error(ret)) {
|
| 1204 |
argptr = lock_user(arg, target_size, 0);
|
| 1205 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 1206 |
unlock_user(argptr, arg, target_size); |
| 1207 |
} |
| 1208 |
break;
|
| 1209 |
case IOC_W:
|
| 1210 |
argptr = lock_user(arg, target_size, 1);
|
| 1211 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 1212 |
unlock_user(argptr, arg, 0);
|
| 1213 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 1214 |
break;
|
| 1215 |
default:
|
| 1216 |
case IOC_RW:
|
| 1217 |
argptr = lock_user(arg, target_size, 1);
|
| 1218 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 1219 |
unlock_user(argptr, arg, 0);
|
| 1220 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 1221 |
if (!is_error(ret)) {
|
| 1222 |
argptr = lock_user(arg, target_size, 0);
|
| 1223 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 1224 |
unlock_user(argptr, arg, target_size); |
| 1225 |
} |
| 1226 |
break;
|
| 1227 |
} |
| 1228 |
break;
|
| 1229 |
default:
|
| 1230 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); |
| 1231 |
ret = -ENOSYS; |
| 1232 |
break;
|
| 1233 |
} |
| 1234 |
return ret;
|
| 1235 |
} |
| 1236 |
|
| 1237 |
bitmask_transtbl iflag_tbl[] = {
|
| 1238 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
|
| 1239 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
|
| 1240 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
|
| 1241 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
|
| 1242 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
|
| 1243 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
|
| 1244 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
|
| 1245 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
|
| 1246 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
|
| 1247 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
|
| 1248 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON },
|
| 1249 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
|
| 1250 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
|
| 1251 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
|
| 1252 |
{ 0, 0, 0, 0 }
|
| 1253 |
}; |
| 1254 |
|
| 1255 |
bitmask_transtbl oflag_tbl[] = {
|
| 1256 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
|
| 1257 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
|
| 1258 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
|
| 1259 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
|
| 1260 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
|
| 1261 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
|
| 1262 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
|
| 1263 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
|
| 1264 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
|
| 1265 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
|
| 1266 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
|
| 1267 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
|
| 1268 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
|
| 1269 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
|
| 1270 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
|
| 1271 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
|
| 1272 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
|
| 1273 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
|
| 1274 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
|
| 1275 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
|
| 1276 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
|
| 1277 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
|
| 1278 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
|
| 1279 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
|
| 1280 |
{ 0, 0, 0, 0 }
|
| 1281 |
}; |
| 1282 |
|
| 1283 |
bitmask_transtbl cflag_tbl[] = {
|
| 1284 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
|
| 1285 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
|
| 1286 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
|
| 1287 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
|
| 1288 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
|
| 1289 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
|
| 1290 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
|
| 1291 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
|
| 1292 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
|
| 1293 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
|
| 1294 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
|
| 1295 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
|
| 1296 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
|
| 1297 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
|
| 1298 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
|
| 1299 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
|
| 1300 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
|
| 1301 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
|
| 1302 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
|
| 1303 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
|
| 1304 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
|
| 1305 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
|
| 1306 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
|
| 1307 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
|
| 1308 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
|
| 1309 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
|
| 1310 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
|
| 1311 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
|
| 1312 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
|
| 1313 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
|
| 1314 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
|
| 1315 |
{ 0, 0, 0, 0 }
|
| 1316 |
}; |
| 1317 |
|
| 1318 |
bitmask_transtbl lflag_tbl[] = {
|
| 1319 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
|
| 1320 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
|
| 1321 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
|
| 1322 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
|
| 1323 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
|
| 1324 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
|
| 1325 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
|
| 1326 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
|
| 1327 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
|
| 1328 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
|
| 1329 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
|
| 1330 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
|
| 1331 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
|
| 1332 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
|
| 1333 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
|
| 1334 |
{ 0, 0, 0, 0 }
|
| 1335 |
}; |
| 1336 |
|
| 1337 |
static void target_to_host_termios (void *dst, const void *src) |
| 1338 |
{
|
| 1339 |
struct host_termios *host = dst;
|
| 1340 |
const struct target_termios *target = src; |
| 1341 |
|
| 1342 |
host->c_iflag = |
| 1343 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
| 1344 |
host->c_oflag = |
| 1345 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
| 1346 |
host->c_cflag = |
| 1347 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
| 1348 |
host->c_lflag = |
| 1349 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
| 1350 |
host->c_line = target->c_line; |
| 1351 |
|
| 1352 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
| 1353 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
| 1354 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
| 1355 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
| 1356 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
| 1357 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
| 1358 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
| 1359 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
| 1360 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
| 1361 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
| 1362 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
| 1363 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
| 1364 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
| 1365 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
| 1366 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
| 1367 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
| 1368 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
| 1369 |
} |
| 1370 |
|
| 1371 |
static void host_to_target_termios (void *dst, const void *src) |
| 1372 |
{
|
| 1373 |
struct target_termios *target = dst;
|
| 1374 |
const struct host_termios *host = src; |
| 1375 |
|
| 1376 |
target->c_iflag = |
| 1377 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
| 1378 |
target->c_oflag = |
| 1379 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
| 1380 |
target->c_cflag = |
| 1381 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
| 1382 |
target->c_lflag = |
| 1383 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
| 1384 |
target->c_line = host->c_line; |
| 1385 |
|
| 1386 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
| 1387 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
| 1388 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
| 1389 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
| 1390 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
| 1391 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
| 1392 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
| 1393 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
| 1394 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
| 1395 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
| 1396 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
| 1397 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
| 1398 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
| 1399 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
| 1400 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
| 1401 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
| 1402 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
| 1403 |
} |
| 1404 |
|
| 1405 |
StructEntry struct_termios_def = {
|
| 1406 |
.convert = { host_to_target_termios, target_to_host_termios },
|
| 1407 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) },
|
| 1408 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
|
| 1409 |
}; |
| 1410 |
|
| 1411 |
static bitmask_transtbl mmap_flags_tbl[] = {
|
| 1412 |
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
|
| 1413 |
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
|
| 1414 |
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
|
| 1415 |
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
|
| 1416 |
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
|
| 1417 |
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
|
| 1418 |
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
|
| 1419 |
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
|
| 1420 |
{ 0, 0, 0, 0 }
|
| 1421 |
}; |
| 1422 |
|
| 1423 |
static bitmask_transtbl fcntl_flags_tbl[] = {
|
| 1424 |
{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
|
| 1425 |
{ TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
|
| 1426 |
{ TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
|
| 1427 |
{ TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
|
| 1428 |
{ TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
|
| 1429 |
{ TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
|
| 1430 |
{ TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
|
| 1431 |
{ TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
|
| 1432 |
{ TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
|
| 1433 |
{ TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
|
| 1434 |
{ TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
|
| 1435 |
{ TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
|
| 1436 |
{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
|
| 1437 |
#if defined(O_DIRECT)
|
| 1438 |
{ TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
|
| 1439 |
#endif
|
| 1440 |
{ 0, 0, 0, 0 }
|
| 1441 |
}; |
| 1442 |
|
| 1443 |
#if defined(TARGET_I386)
|
| 1444 |
|
| 1445 |
/* NOTE: there is really one LDT for all the threads */
|
| 1446 |
uint8_t *ldt_table; |
| 1447 |
|
| 1448 |
static int read_ldt(target_ulong ptr, unsigned long bytecount) |
| 1449 |
{
|
| 1450 |
int size;
|
| 1451 |
void *p;
|
| 1452 |
|
| 1453 |
if (!ldt_table)
|
| 1454 |
return 0; |
| 1455 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
| 1456 |
if (size > bytecount)
|
| 1457 |
size = bytecount; |
| 1458 |
p = lock_user(ptr, size, 0);
|
| 1459 |
/* ??? Shoudl this by byteswapped? */
|
| 1460 |
memcpy(p, ldt_table, size); |
| 1461 |
unlock_user(p, ptr, size); |
| 1462 |
return size;
|
| 1463 |
} |
| 1464 |
|
| 1465 |
/* XXX: add locking support */
|
| 1466 |
static int write_ldt(CPUX86State *env, |
| 1467 |
target_ulong ptr, unsigned long bytecount, int oldmode) |
| 1468 |
{
|
| 1469 |
struct target_modify_ldt_ldt_s ldt_info;
|
| 1470 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 1471 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
| 1472 |
int seg_not_present, useable;
|
| 1473 |
uint32_t *lp, entry_1, entry_2; |
| 1474 |
|
| 1475 |
if (bytecount != sizeof(ldt_info)) |
| 1476 |
return -EINVAL;
|
| 1477 |
lock_user_struct(target_ldt_info, ptr, 1);
|
| 1478 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| 1479 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
| 1480 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
| 1481 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
| 1482 |
unlock_user_struct(target_ldt_info, ptr, 0);
|
| 1483 |
|
| 1484 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
| 1485 |
return -EINVAL;
|
| 1486 |
seg_32bit = ldt_info.flags & 1;
|
| 1487 |
contents = (ldt_info.flags >> 1) & 3; |
| 1488 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
| 1489 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
| 1490 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
| 1491 |
useable = (ldt_info.flags >> 6) & 1; |
| 1492 |
|
| 1493 |
if (contents == 3) { |
| 1494 |
if (oldmode)
|
| 1495 |
return -EINVAL;
|
| 1496 |
if (seg_not_present == 0) |
| 1497 |
return -EINVAL;
|
| 1498 |
} |
| 1499 |
/* allocate the LDT */
|
| 1500 |
if (!ldt_table) {
|
| 1501 |
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| 1502 |
if (!ldt_table)
|
| 1503 |
return -ENOMEM;
|
| 1504 |
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
|
| 1505 |
env->ldt.base = h2g(ldt_table); |
| 1506 |
env->ldt.limit = 0xffff;
|
| 1507 |
} |
| 1508 |
|
| 1509 |
/* NOTE: same code as Linux kernel */
|
| 1510 |
/* Allow LDTs to be cleared by the user. */
|
| 1511 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| 1512 |
if (oldmode ||
|
| 1513 |
(contents == 0 &&
|
| 1514 |
read_exec_only == 1 &&
|
| 1515 |
seg_32bit == 0 &&
|
| 1516 |
limit_in_pages == 0 &&
|
| 1517 |
seg_not_present == 1 &&
|
| 1518 |
useable == 0 )) {
|
| 1519 |
entry_1 = 0;
|
| 1520 |
entry_2 = 0;
|
| 1521 |
goto install;
|
| 1522 |
} |
| 1523 |
} |
| 1524 |
|
| 1525 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| 1526 |
(ldt_info.limit & 0x0ffff);
|
| 1527 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
| 1528 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| 1529 |
(ldt_info.limit & 0xf0000) |
|
| 1530 |
((read_exec_only ^ 1) << 9) | |
| 1531 |
(contents << 10) |
|
| 1532 |
((seg_not_present ^ 1) << 15) | |
| 1533 |
(seg_32bit << 22) |
|
| 1534 |
(limit_in_pages << 23) |
|
| 1535 |
0x7000;
|
| 1536 |
if (!oldmode)
|
| 1537 |
entry_2 |= (useable << 20);
|
| 1538 |
|
| 1539 |
/* Install the new entry ... */
|
| 1540 |
install:
|
| 1541 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
| 1542 |
lp[0] = tswap32(entry_1);
|
| 1543 |
lp[1] = tswap32(entry_2);
|
| 1544 |
return 0; |
| 1545 |
} |
| 1546 |
|
| 1547 |
/* specific and weird i386 syscalls */
|
| 1548 |
int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount) |
| 1549 |
{
|
| 1550 |
int ret = -ENOSYS;
|
| 1551 |
|
| 1552 |
switch (func) {
|
| 1553 |
case 0: |
| 1554 |
ret = read_ldt(ptr, bytecount); |
| 1555 |
break;
|
| 1556 |
case 1: |
| 1557 |
ret = write_ldt(env, ptr, bytecount, 1);
|
| 1558 |
break;
|
| 1559 |
case 0x11: |
| 1560 |
ret = write_ldt(env, ptr, bytecount, 0);
|
| 1561 |
break;
|
| 1562 |
} |
| 1563 |
return ret;
|
| 1564 |
} |
| 1565 |
|
| 1566 |
#endif /* defined(TARGET_I386) */ |
| 1567 |
|
| 1568 |
/* this stack is the equivalent of the kernel stack associated with a
|
| 1569 |
thread/process */
|
| 1570 |
#define NEW_STACK_SIZE 8192 |
| 1571 |
|
| 1572 |
static int clone_func(void *arg) |
| 1573 |
{
|
| 1574 |
CPUState *env = arg; |
| 1575 |
cpu_loop(env); |
| 1576 |
/* never exits */
|
| 1577 |
return 0; |
| 1578 |
} |
| 1579 |
|
| 1580 |
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) |
| 1581 |
{
|
| 1582 |
int ret;
|
| 1583 |
TaskState *ts; |
| 1584 |
uint8_t *new_stack; |
| 1585 |
CPUState *new_env; |
| 1586 |
|
| 1587 |
if (flags & CLONE_VM) {
|
| 1588 |
ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
|
| 1589 |
memset(ts, 0, sizeof(TaskState)); |
| 1590 |
new_stack = ts->stack; |
| 1591 |
ts->used = 1;
|
| 1592 |
/* add in task state list */
|
| 1593 |
ts->next = first_task_state; |
| 1594 |
first_task_state = ts; |
| 1595 |
/* we create a new CPU instance. */
|
| 1596 |
new_env = cpu_init(); |
| 1597 |
memcpy(new_env, env, sizeof(CPUState));
|
| 1598 |
#if defined(TARGET_I386)
|
| 1599 |
if (!newsp)
|
| 1600 |
newsp = env->regs[R_ESP]; |
| 1601 |
new_env->regs[R_ESP] = newsp; |
| 1602 |
new_env->regs[R_EAX] = 0;
|
| 1603 |
#elif defined(TARGET_ARM)
|
| 1604 |
if (!newsp)
|
| 1605 |
newsp = env->regs[13];
|
| 1606 |
new_env->regs[13] = newsp;
|
| 1607 |
new_env->regs[0] = 0; |
| 1608 |
#elif defined(TARGET_SPARC)
|
| 1609 |
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
|
| 1610 |
#elif defined(TARGET_MIPS)
|
| 1611 |
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
|
| 1612 |
#elif defined(TARGET_PPC)
|
| 1613 |
if (!newsp)
|
| 1614 |
newsp = env->gpr[1];
|
| 1615 |
new_env->gpr[1] = newsp;
|
| 1616 |
{
|
| 1617 |
int i;
|
| 1618 |
for (i = 7; i < 32; i++) |
| 1619 |
new_env->gpr[i] = 0;
|
| 1620 |
} |
| 1621 |
#elif defined(TARGET_SH4)
|
| 1622 |
if (!newsp)
|
| 1623 |
newsp = env->gregs[15];
|
| 1624 |
new_env->gregs[15] = newsp;
|
| 1625 |
/* XXXXX */
|
| 1626 |
#else
|
| 1627 |
#error unsupported target CPU
|
| 1628 |
#endif
|
| 1629 |
new_env->opaque = ts; |
| 1630 |
#ifdef __ia64__
|
| 1631 |
ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| 1632 |
#else
|
| 1633 |
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| 1634 |
#endif
|
| 1635 |
} else {
|
| 1636 |
/* if no CLONE_VM, we consider it is a fork */
|
| 1637 |
if ((flags & ~CSIGNAL) != 0) |
| 1638 |
return -EINVAL;
|
| 1639 |
ret = fork(); |
| 1640 |
} |
| 1641 |
return ret;
|
| 1642 |
} |
| 1643 |
|
| 1644 |
static long do_fcntl(int fd, int cmd, target_ulong arg) |
| 1645 |
{
|
| 1646 |
struct flock fl;
|
| 1647 |
struct target_flock *target_fl;
|
| 1648 |
long ret;
|
| 1649 |
|
| 1650 |
switch(cmd) {
|
| 1651 |
case TARGET_F_GETLK:
|
| 1652 |
ret = fcntl(fd, cmd, &fl); |
| 1653 |
if (ret == 0) { |
| 1654 |
lock_user_struct(target_fl, arg, 0);
|
| 1655 |
target_fl->l_type = tswap16(fl.l_type); |
| 1656 |
target_fl->l_whence = tswap16(fl.l_whence); |
| 1657 |
target_fl->l_start = tswapl(fl.l_start); |
| 1658 |
target_fl->l_len = tswapl(fl.l_len); |
| 1659 |
target_fl->l_pid = tswapl(fl.l_pid); |
| 1660 |
unlock_user_struct(target_fl, arg, 1);
|
| 1661 |
} |
| 1662 |
break;
|
| 1663 |
|
| 1664 |
case TARGET_F_SETLK:
|
| 1665 |
case TARGET_F_SETLKW:
|
| 1666 |
lock_user_struct(target_fl, arg, 1);
|
| 1667 |
fl.l_type = tswap16(target_fl->l_type); |
| 1668 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 1669 |
fl.l_start = tswapl(target_fl->l_start); |
| 1670 |
fl.l_len = tswapl(target_fl->l_len); |
| 1671 |
fl.l_pid = tswapl(target_fl->l_pid); |
| 1672 |
unlock_user_struct(target_fl, arg, 0);
|
| 1673 |
ret = fcntl(fd, cmd, &fl); |
| 1674 |
break;
|
| 1675 |
|
| 1676 |
case TARGET_F_GETLK64:
|
| 1677 |
case TARGET_F_SETLK64:
|
| 1678 |
case TARGET_F_SETLKW64:
|
| 1679 |
ret = -1;
|
| 1680 |
errno = EINVAL; |
| 1681 |
break;
|
| 1682 |
|
| 1683 |
case F_GETFL:
|
| 1684 |
ret = fcntl(fd, cmd, arg); |
| 1685 |
ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
| 1686 |
break;
|
| 1687 |
|
| 1688 |
case F_SETFL:
|
| 1689 |
ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); |
| 1690 |
break;
|
| 1691 |
|
| 1692 |
default:
|
| 1693 |
ret = fcntl(fd, cmd, arg); |
| 1694 |
break;
|
| 1695 |
} |
| 1696 |
return ret;
|
| 1697 |
} |
| 1698 |
|
| 1699 |
#ifdef USE_UID16
|
| 1700 |
|
| 1701 |
static inline int high2lowuid(int uid) |
| 1702 |
{
|
| 1703 |
if (uid > 65535) |
| 1704 |
return 65534; |
| 1705 |
else
|
| 1706 |
return uid;
|
| 1707 |
} |
| 1708 |
|
| 1709 |
static inline int high2lowgid(int gid) |
| 1710 |
{
|
| 1711 |
if (gid > 65535) |
| 1712 |
return 65534; |
| 1713 |
else
|
| 1714 |
return gid;
|
| 1715 |
} |
| 1716 |
|
| 1717 |
static inline int low2highuid(int uid) |
| 1718 |
{
|
| 1719 |
if ((int16_t)uid == -1) |
| 1720 |
return -1; |
| 1721 |
else
|
| 1722 |
return uid;
|
| 1723 |
} |
| 1724 |
|
| 1725 |
static inline int low2highgid(int gid) |
| 1726 |
{
|
| 1727 |
if ((int16_t)gid == -1) |
| 1728 |
return -1; |
| 1729 |
else
|
| 1730 |
return gid;
|
| 1731 |
} |
| 1732 |
|
| 1733 |
#endif /* USE_UID16 */ |
| 1734 |
|
| 1735 |
void syscall_init(void) |
| 1736 |
{
|
| 1737 |
IOCTLEntry *ie; |
| 1738 |
const argtype *arg_type;
|
| 1739 |
int size;
|
| 1740 |
|
| 1741 |
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
| 1742 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
| 1743 |
#include "syscall_types.h" |
| 1744 |
#undef STRUCT
|
| 1745 |
#undef STRUCT_SPECIAL
|
| 1746 |
|
| 1747 |
/* we patch the ioctl size if necessary. We rely on the fact that
|
| 1748 |
no ioctl has all the bits at '1' in the size field */
|
| 1749 |
ie = ioctl_entries; |
| 1750 |
while (ie->target_cmd != 0) { |
| 1751 |
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
| 1752 |
TARGET_IOC_SIZEMASK) {
|
| 1753 |
arg_type = ie->arg_type; |
| 1754 |
if (arg_type[0] != TYPE_PTR) { |
| 1755 |
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
| 1756 |
ie->target_cmd); |
| 1757 |
exit(1);
|
| 1758 |
} |
| 1759 |
arg_type++; |
| 1760 |
size = thunk_type_size(arg_type, 0);
|
| 1761 |
ie->target_cmd = (ie->target_cmd & |
| 1762 |
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
| 1763 |
(size << TARGET_IOC_SIZESHIFT); |
| 1764 |
} |
| 1765 |
/* automatic consistency check if same arch */
|
| 1766 |
#if defined(__i386__) && defined(TARGET_I386)
|
| 1767 |
if (ie->target_cmd != ie->host_cmd) {
|
| 1768 |
fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
|
| 1769 |
ie->target_cmd, ie->host_cmd); |
| 1770 |
} |
| 1771 |
#endif
|
| 1772 |
ie++; |
| 1773 |
} |
| 1774 |
} |
| 1775 |
|
| 1776 |
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
| 1777 |
{
|
| 1778 |
#ifdef TARGET_WORDS_BIG_ENDIAN
|
| 1779 |
return ((uint64_t)word0 << 32) | word1; |
| 1780 |
#else
|
| 1781 |
return ((uint64_t)word1 << 32) | word0; |
| 1782 |
#endif
|
| 1783 |
} |
| 1784 |
|
| 1785 |
#ifdef TARGET_NR_truncate64
|
| 1786 |
static inline long target_truncate64(void *cpu_env, const char *arg1, |
| 1787 |
long arg2, long arg3, long arg4) |
| 1788 |
{
|
| 1789 |
#ifdef TARGET_ARM
|
| 1790 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 1791 |
{
|
| 1792 |
arg2 = arg3; |
| 1793 |
arg3 = arg4; |
| 1794 |
} |
| 1795 |
#endif
|
| 1796 |
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
| 1797 |
} |
| 1798 |
#endif
|
| 1799 |
|
| 1800 |
#ifdef TARGET_NR_ftruncate64
|
| 1801 |
static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2, |
| 1802 |
long arg3, long arg4) |
| 1803 |
{
|
| 1804 |
#ifdef TARGET_ARM
|
| 1805 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 1806 |
{
|
| 1807 |
arg2 = arg3; |
| 1808 |
arg3 = arg4; |
| 1809 |
} |
| 1810 |
#endif
|
| 1811 |
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
| 1812 |
} |
| 1813 |
#endif
|
| 1814 |
|
| 1815 |
static inline void target_to_host_timespec(struct timespec *host_ts, |
| 1816 |
target_ulong target_addr) |
| 1817 |
{
|
| 1818 |
struct target_timespec *target_ts;
|
| 1819 |
|
| 1820 |
lock_user_struct(target_ts, target_addr, 1);
|
| 1821 |
host_ts->tv_sec = tswapl(target_ts->tv_sec); |
| 1822 |
host_ts->tv_nsec = tswapl(target_ts->tv_nsec); |
| 1823 |
unlock_user_struct(target_ts, target_addr, 0);
|
| 1824 |
} |
| 1825 |
|
| 1826 |
static inline void host_to_target_timespec(target_ulong target_addr, |
| 1827 |
struct timespec *host_ts)
|
| 1828 |
{
|
| 1829 |
struct target_timespec *target_ts;
|
| 1830 |
|
| 1831 |
lock_user_struct(target_ts, target_addr, 0);
|
| 1832 |
target_ts->tv_sec = tswapl(host_ts->tv_sec); |
| 1833 |
target_ts->tv_nsec = tswapl(host_ts->tv_nsec); |
| 1834 |
unlock_user_struct(target_ts, target_addr, 1);
|
| 1835 |
} |
| 1836 |
|
| 1837 |
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, |
| 1838 |
long arg4, long arg5, long arg6) |
| 1839 |
{
|
| 1840 |
long ret;
|
| 1841 |
struct stat st;
|
| 1842 |
struct statfs stfs;
|
| 1843 |
void *p;
|
| 1844 |
|
| 1845 |
#ifdef DEBUG
|
| 1846 |
gemu_log("syscall %d", num);
|
| 1847 |
#endif
|
| 1848 |
switch(num) {
|
| 1849 |
case TARGET_NR_exit:
|
| 1850 |
#ifdef HAVE_GPROF
|
| 1851 |
_mcleanup(); |
| 1852 |
#endif
|
| 1853 |
gdb_exit(cpu_env, arg1); |
| 1854 |
/* XXX: should free thread stack and CPU env */
|
| 1855 |
_exit(arg1); |
| 1856 |
ret = 0; /* avoid warning */ |
| 1857 |
break;
|
| 1858 |
case TARGET_NR_read:
|
| 1859 |
page_unprotect_range(arg2, arg3); |
| 1860 |
p = lock_user(arg2, arg3, 0);
|
| 1861 |
ret = get_errno(read(arg1, p, arg3)); |
| 1862 |
unlock_user(p, arg2, ret); |
| 1863 |
break;
|
| 1864 |
case TARGET_NR_write:
|
| 1865 |
p = lock_user(arg2, arg3, 1);
|
| 1866 |
ret = get_errno(write(arg1, p, arg3)); |
| 1867 |
unlock_user(p, arg2, 0);
|
| 1868 |
break;
|
| 1869 |
case TARGET_NR_open:
|
| 1870 |
p = lock_user_string(arg1); |
| 1871 |
ret = get_errno(open(path(p), |
| 1872 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), |
| 1873 |
arg3)); |
| 1874 |
unlock_user(p, arg1, 0);
|
| 1875 |
break;
|
| 1876 |
case TARGET_NR_close:
|
| 1877 |
ret = get_errno(close(arg1)); |
| 1878 |
break;
|
| 1879 |
case TARGET_NR_brk:
|
| 1880 |
ret = do_brk(arg1); |
| 1881 |
break;
|
| 1882 |
case TARGET_NR_fork:
|
| 1883 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
|
| 1884 |
break;
|
| 1885 |
case TARGET_NR_waitpid:
|
| 1886 |
{
|
| 1887 |
int status;
|
| 1888 |
ret = get_errno(waitpid(arg1, &status, arg3)); |
| 1889 |
if (!is_error(ret) && arg2)
|
| 1890 |
tput32(arg2, status); |
| 1891 |
} |
| 1892 |
break;
|
| 1893 |
case TARGET_NR_creat:
|
| 1894 |
p = lock_user_string(arg1); |
| 1895 |
ret = get_errno(creat(p, arg2)); |
| 1896 |
unlock_user(p, arg1, 0);
|
| 1897 |
break;
|
| 1898 |
case TARGET_NR_link:
|
| 1899 |
{
|
| 1900 |
void * p2;
|
| 1901 |
p = lock_user_string(arg1); |
| 1902 |
p2 = lock_user_string(arg2); |
| 1903 |
ret = get_errno(link(p, p2)); |
| 1904 |
unlock_user(p2, arg2, 0);
|
| 1905 |
unlock_user(p, arg1, 0);
|
| 1906 |
} |
| 1907 |
break;
|
| 1908 |
case TARGET_NR_unlink:
|
| 1909 |
p = lock_user_string(arg1); |
| 1910 |
ret = get_errno(unlink(p)); |
| 1911 |
unlock_user(p, arg1, 0);
|
| 1912 |
break;
|
| 1913 |
case TARGET_NR_execve:
|
| 1914 |
{
|
| 1915 |
char **argp, **envp;
|
| 1916 |
int argc, envc;
|
| 1917 |
target_ulong gp; |
| 1918 |
target_ulong guest_argp; |
| 1919 |
target_ulong guest_envp; |
| 1920 |
target_ulong addr; |
| 1921 |
char **q;
|
| 1922 |
|
| 1923 |
argc = 0;
|
| 1924 |
guest_argp = arg2; |
| 1925 |
for (gp = guest_argp; tgetl(gp); gp++)
|
| 1926 |
argc++; |
| 1927 |
envc = 0;
|
| 1928 |
guest_envp = arg3; |
| 1929 |
for (gp = guest_envp; tgetl(gp); gp++)
|
| 1930 |
envc++; |
| 1931 |
|
| 1932 |
argp = alloca((argc + 1) * sizeof(void *)); |
| 1933 |
envp = alloca((envc + 1) * sizeof(void *)); |
| 1934 |
|
| 1935 |
for (gp = guest_argp, q = argp; ;
|
| 1936 |
gp += sizeof(target_ulong), q++) {
|
| 1937 |
addr = tgetl(gp); |
| 1938 |
if (!addr)
|
| 1939 |
break;
|
| 1940 |
*q = lock_user_string(addr); |
| 1941 |
} |
| 1942 |
*q = NULL;
|
| 1943 |
|
| 1944 |
for (gp = guest_envp, q = envp; ;
|
| 1945 |
gp += sizeof(target_ulong), q++) {
|
| 1946 |
addr = tgetl(gp); |
| 1947 |
if (!addr)
|
| 1948 |
break;
|
| 1949 |
*q = lock_user_string(addr); |
| 1950 |
} |
| 1951 |
*q = NULL;
|
| 1952 |
|
| 1953 |
p = lock_user_string(arg1); |
| 1954 |
ret = get_errno(execve(p, argp, envp)); |
| 1955 |
unlock_user(p, arg1, 0);
|
| 1956 |
|
| 1957 |
for (gp = guest_argp, q = argp; *q;
|
| 1958 |
gp += sizeof(target_ulong), q++) {
|
| 1959 |
addr = tgetl(gp); |
| 1960 |
unlock_user(*q, addr, 0);
|
| 1961 |
} |
| 1962 |
for (gp = guest_envp, q = envp; *q;
|
| 1963 |
gp += sizeof(target_ulong), q++) {
|
| 1964 |
addr = tgetl(gp); |
| 1965 |
unlock_user(*q, addr, 0);
|
| 1966 |
} |
| 1967 |
} |
| 1968 |
break;
|
| 1969 |
case TARGET_NR_chdir:
|
| 1970 |
p = lock_user_string(arg1); |
| 1971 |
ret = get_errno(chdir(p)); |
| 1972 |
unlock_user(p, arg1, 0);
|
| 1973 |
break;
|
| 1974 |
#ifdef TARGET_NR_time
|
| 1975 |
case TARGET_NR_time:
|
| 1976 |
{
|
| 1977 |
time_t host_time; |
| 1978 |
ret = get_errno(time(&host_time)); |
| 1979 |
if (!is_error(ret) && arg1)
|
| 1980 |
tputl(arg1, host_time); |
| 1981 |
} |
| 1982 |
break;
|
| 1983 |
#endif
|
| 1984 |
case TARGET_NR_mknod:
|
| 1985 |
p = lock_user_string(arg1); |
| 1986 |
ret = get_errno(mknod(p, arg2, arg3)); |
| 1987 |
unlock_user(p, arg1, 0);
|
| 1988 |
break;
|
| 1989 |
case TARGET_NR_chmod:
|
| 1990 |
p = lock_user_string(arg1); |
| 1991 |
ret = get_errno(chmod(p, arg2)); |
| 1992 |
unlock_user(p, arg1, 0);
|
| 1993 |
break;
|
| 1994 |
#ifdef TARGET_NR_break
|
| 1995 |
case TARGET_NR_break:
|
| 1996 |
goto unimplemented;
|
| 1997 |
#endif
|
| 1998 |
#ifdef TARGET_NR_oldstat
|
| 1999 |
case TARGET_NR_oldstat:
|
| 2000 |
goto unimplemented;
|
| 2001 |
#endif
|
| 2002 |
case TARGET_NR_lseek:
|
| 2003 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
| 2004 |
break;
|
| 2005 |
case TARGET_NR_getpid:
|
| 2006 |
ret = get_errno(getpid()); |
| 2007 |
break;
|
| 2008 |
case TARGET_NR_mount:
|
| 2009 |
/* need to look at the data field */
|
| 2010 |
goto unimplemented;
|
| 2011 |
case TARGET_NR_umount:
|
| 2012 |
p = lock_user_string(arg1); |
| 2013 |
ret = get_errno(umount(p)); |
| 2014 |
unlock_user(p, arg1, 0);
|
| 2015 |
break;
|
| 2016 |
case TARGET_NR_stime:
|
| 2017 |
{
|
| 2018 |
time_t host_time; |
| 2019 |
host_time = tgetl(arg1); |
| 2020 |
ret = get_errno(stime(&host_time)); |
| 2021 |
} |
| 2022 |
break;
|
| 2023 |
case TARGET_NR_ptrace:
|
| 2024 |
goto unimplemented;
|
| 2025 |
case TARGET_NR_alarm:
|
| 2026 |
ret = alarm(arg1); |
| 2027 |
break;
|
| 2028 |
#ifdef TARGET_NR_oldfstat
|
| 2029 |
case TARGET_NR_oldfstat:
|
| 2030 |
goto unimplemented;
|
| 2031 |
#endif
|
| 2032 |
case TARGET_NR_pause:
|
| 2033 |
ret = get_errno(pause()); |
| 2034 |
break;
|
| 2035 |
case TARGET_NR_utime:
|
| 2036 |
{
|
| 2037 |
struct utimbuf tbuf, *host_tbuf;
|
| 2038 |
struct target_utimbuf *target_tbuf;
|
| 2039 |
if (arg2) {
|
| 2040 |
lock_user_struct(target_tbuf, arg2, 1);
|
| 2041 |
tbuf.actime = tswapl(target_tbuf->actime); |
| 2042 |
tbuf.modtime = tswapl(target_tbuf->modtime); |
| 2043 |
unlock_user_struct(target_tbuf, arg2, 0);
|
| 2044 |
host_tbuf = &tbuf; |
| 2045 |
} else {
|
| 2046 |
host_tbuf = NULL;
|
| 2047 |
} |
| 2048 |
p = lock_user_string(arg1); |
| 2049 |
ret = get_errno(utime(p, host_tbuf)); |
| 2050 |
unlock_user(p, arg1, 0);
|
| 2051 |
} |
| 2052 |
break;
|
| 2053 |
case TARGET_NR_utimes:
|
| 2054 |
{
|
| 2055 |
struct timeval *tvp, tv[2]; |
| 2056 |
if (arg2) {
|
| 2057 |
target_to_host_timeval(&tv[0], arg2);
|
| 2058 |
target_to_host_timeval(&tv[1],
|
| 2059 |
arg2 + sizeof (struct target_timeval)); |
| 2060 |
tvp = tv; |
| 2061 |
} else {
|
| 2062 |
tvp = NULL;
|
| 2063 |
} |
| 2064 |
p = lock_user_string(arg1); |
| 2065 |
ret = get_errno(utimes(p, tvp)); |
| 2066 |
unlock_user(p, arg1, 0);
|
| 2067 |
} |
| 2068 |
break;
|
| 2069 |
#ifdef TARGET_NR_stty
|
| 2070 |
case TARGET_NR_stty:
|
| 2071 |
goto unimplemented;
|
| 2072 |
#endif
|
| 2073 |
#ifdef TARGET_NR_gtty
|
| 2074 |
case TARGET_NR_gtty:
|
| 2075 |
goto unimplemented;
|
| 2076 |
#endif
|
| 2077 |
case TARGET_NR_access:
|
| 2078 |
p = lock_user_string(arg1); |
| 2079 |
ret = get_errno(access(p, arg2)); |
| 2080 |
unlock_user(p, arg1, 0);
|
| 2081 |
break;
|
| 2082 |
case TARGET_NR_nice:
|
| 2083 |
ret = get_errno(nice(arg1)); |
| 2084 |
break;
|
| 2085 |
#ifdef TARGET_NR_ftime
|
| 2086 |
case TARGET_NR_ftime:
|
| 2087 |
goto unimplemented;
|
| 2088 |
#endif
|
| 2089 |
case TARGET_NR_sync:
|
| 2090 |
sync(); |
| 2091 |
ret = 0;
|
| 2092 |
break;
|
| 2093 |
case TARGET_NR_kill:
|
| 2094 |
ret = get_errno(kill(arg1, arg2)); |
| 2095 |
break;
|
| 2096 |
case TARGET_NR_rename:
|
| 2097 |
{
|
| 2098 |
void *p2;
|
| 2099 |
p = lock_user_string(arg1); |
| 2100 |
p2 = lock_user_string(arg2); |
| 2101 |
ret = get_errno(rename(p, p2)); |
| 2102 |
unlock_user(p2, arg2, 0);
|
| 2103 |
unlock_user(p, arg1, 0);
|
| 2104 |
} |
| 2105 |
break;
|
| 2106 |
case TARGET_NR_mkdir:
|
| 2107 |
p = lock_user_string(arg1); |
| 2108 |
ret = get_errno(mkdir(p, arg2)); |
| 2109 |
unlock_user(p, arg1, 0);
|
| 2110 |
break;
|
| 2111 |
case TARGET_NR_rmdir:
|
| 2112 |
p = lock_user_string(arg1); |
| 2113 |
ret = get_errno(rmdir(p)); |
| 2114 |
unlock_user(p, arg1, 0);
|
| 2115 |
break;
|
| 2116 |
case TARGET_NR_dup:
|
| 2117 |
ret = get_errno(dup(arg1)); |
| 2118 |
break;
|
| 2119 |
case TARGET_NR_pipe:
|
| 2120 |
{
|
| 2121 |
int host_pipe[2]; |
| 2122 |
ret = get_errno(pipe(host_pipe)); |
| 2123 |
if (!is_error(ret)) {
|
| 2124 |
tput32(arg1, host_pipe[0]);
|
| 2125 |
tput32(arg1 + 4, host_pipe[1]); |
| 2126 |
} |
| 2127 |
} |
| 2128 |
break;
|
| 2129 |
case TARGET_NR_times:
|
| 2130 |
{
|
| 2131 |
struct target_tms *tmsp;
|
| 2132 |
struct tms tms;
|
| 2133 |
ret = get_errno(times(&tms)); |
| 2134 |
if (arg1) {
|
| 2135 |
tmsp = lock_user(arg1, sizeof(struct target_tms), 0); |
| 2136 |
tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); |
| 2137 |
tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); |
| 2138 |
tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); |
| 2139 |
tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); |
| 2140 |
} |
| 2141 |
if (!is_error(ret))
|
| 2142 |
ret = host_to_target_clock_t(ret); |
| 2143 |
} |
| 2144 |
break;
|
| 2145 |
#ifdef TARGET_NR_prof
|
| 2146 |
case TARGET_NR_prof:
|
| 2147 |
goto unimplemented;
|
| 2148 |
#endif
|
| 2149 |
case TARGET_NR_signal:
|
| 2150 |
goto unimplemented;
|
| 2151 |
|
| 2152 |
case TARGET_NR_acct:
|
| 2153 |
p = lock_user_string(arg1); |
| 2154 |
ret = get_errno(acct(path(p))); |
| 2155 |
unlock_user(p, arg1, 0);
|
| 2156 |
break;
|
| 2157 |
case TARGET_NR_umount2:
|
| 2158 |
p = lock_user_string(arg1); |
| 2159 |
ret = get_errno(umount2(p, arg2)); |
| 2160 |
unlock_user(p, arg1, 0);
|
| 2161 |
break;
|
| 2162 |
#ifdef TARGET_NR_lock
|
| 2163 |
case TARGET_NR_lock:
|
| 2164 |
goto unimplemented;
|
| 2165 |
#endif
|
| 2166 |
case TARGET_NR_ioctl:
|
| 2167 |
ret = do_ioctl(arg1, arg2, arg3); |
| 2168 |
break;
|
| 2169 |
case TARGET_NR_fcntl:
|
| 2170 |
ret = get_errno(do_fcntl(arg1, arg2, arg3)); |
| 2171 |
break;
|
| 2172 |
#ifdef TARGET_NR_mpx
|
| 2173 |
case TARGET_NR_mpx:
|
| 2174 |
goto unimplemented;
|
| 2175 |
#endif
|
| 2176 |
case TARGET_NR_setpgid:
|
| 2177 |
ret = get_errno(setpgid(arg1, arg2)); |
| 2178 |
break;
|
| 2179 |
#ifdef TARGET_NR_ulimit
|
| 2180 |
case TARGET_NR_ulimit:
|
| 2181 |
goto unimplemented;
|
| 2182 |
#endif
|
| 2183 |
#ifdef TARGET_NR_oldolduname
|
| 2184 |
case TARGET_NR_oldolduname:
|
| 2185 |
goto unimplemented;
|
| 2186 |
#endif
|
| 2187 |
case TARGET_NR_umask:
|
| 2188 |
ret = get_errno(umask(arg1)); |
| 2189 |
break;
|
| 2190 |
case TARGET_NR_chroot:
|
| 2191 |
p = lock_user_string(arg1); |
| 2192 |
ret = get_errno(chroot(p)); |
| 2193 |
unlock_user(p, arg1, 0);
|
| 2194 |
break;
|
| 2195 |
case TARGET_NR_ustat:
|
| 2196 |
goto unimplemented;
|
| 2197 |
case TARGET_NR_dup2:
|
| 2198 |
ret = get_errno(dup2(arg1, arg2)); |
| 2199 |
break;
|
| 2200 |
case TARGET_NR_getppid:
|
| 2201 |
ret = get_errno(getppid()); |
| 2202 |
break;
|
| 2203 |
case TARGET_NR_getpgrp:
|
| 2204 |
ret = get_errno(getpgrp()); |
| 2205 |
break;
|
| 2206 |
case TARGET_NR_setsid:
|
| 2207 |
ret = get_errno(setsid()); |
| 2208 |
break;
|
| 2209 |
case TARGET_NR_sigaction:
|
| 2210 |
{
|
| 2211 |
struct target_old_sigaction *old_act;
|
| 2212 |
struct target_sigaction act, oact, *pact;
|
| 2213 |
if (arg2) {
|
| 2214 |
lock_user_struct(old_act, arg2, 1);
|
| 2215 |
act._sa_handler = old_act->_sa_handler; |
| 2216 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
| 2217 |
act.sa_flags = old_act->sa_flags; |
| 2218 |
act.sa_restorer = old_act->sa_restorer; |
| 2219 |
unlock_user_struct(old_act, arg2, 0);
|
| 2220 |
pact = &act; |
| 2221 |
} else {
|
| 2222 |
pact = NULL;
|
| 2223 |
} |
| 2224 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 2225 |
if (!is_error(ret) && arg3) {
|
| 2226 |
lock_user_struct(old_act, arg3, 0);
|
| 2227 |
old_act->_sa_handler = oact._sa_handler; |
| 2228 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
| 2229 |
old_act->sa_flags = oact.sa_flags; |
| 2230 |
old_act->sa_restorer = oact.sa_restorer; |
| 2231 |
unlock_user_struct(old_act, arg3, 1);
|
| 2232 |
} |
| 2233 |
} |
| 2234 |
break;
|
| 2235 |
case TARGET_NR_rt_sigaction:
|
| 2236 |
{
|
| 2237 |
struct target_sigaction *act;
|
| 2238 |
struct target_sigaction *oact;
|
| 2239 |
|
| 2240 |
if (arg2)
|
| 2241 |
lock_user_struct(act, arg2, 1);
|
| 2242 |
else
|
| 2243 |
act = NULL;
|
| 2244 |
if (arg3)
|
| 2245 |
lock_user_struct(oact, arg3, 0);
|
| 2246 |
else
|
| 2247 |
oact = NULL;
|
| 2248 |
ret = get_errno(do_sigaction(arg1, act, oact)); |
| 2249 |
if (arg2)
|
| 2250 |
unlock_user_struct(act, arg2, 0);
|
| 2251 |
if (arg3)
|
| 2252 |
unlock_user_struct(oact, arg3, 1);
|
| 2253 |
} |
| 2254 |
break;
|
| 2255 |
case TARGET_NR_sgetmask:
|
| 2256 |
{
|
| 2257 |
sigset_t cur_set; |
| 2258 |
target_ulong target_set; |
| 2259 |
sigprocmask(0, NULL, &cur_set); |
| 2260 |
host_to_target_old_sigset(&target_set, &cur_set); |
| 2261 |
ret = target_set; |
| 2262 |
} |
| 2263 |
break;
|
| 2264 |
case TARGET_NR_ssetmask:
|
| 2265 |
{
|
| 2266 |
sigset_t set, oset, cur_set; |
| 2267 |
target_ulong target_set = arg1; |
| 2268 |
sigprocmask(0, NULL, &cur_set); |
| 2269 |
target_to_host_old_sigset(&set, &target_set); |
| 2270 |
sigorset(&set, &set, &cur_set); |
| 2271 |
sigprocmask(SIG_SETMASK, &set, &oset); |
| 2272 |
host_to_target_old_sigset(&target_set, &oset); |
| 2273 |
ret = target_set; |
| 2274 |
} |
| 2275 |
break;
|
| 2276 |
case TARGET_NR_sigprocmask:
|
| 2277 |
{
|
| 2278 |
int how = arg1;
|
| 2279 |
sigset_t set, oldset, *set_ptr; |
| 2280 |
|
| 2281 |
if (arg2) {
|
| 2282 |
switch(how) {
|
| 2283 |
case TARGET_SIG_BLOCK:
|
| 2284 |
how = SIG_BLOCK; |
| 2285 |
break;
|
| 2286 |
case TARGET_SIG_UNBLOCK:
|
| 2287 |
how = SIG_UNBLOCK; |
| 2288 |
break;
|
| 2289 |
case TARGET_SIG_SETMASK:
|
| 2290 |
how = SIG_SETMASK; |
| 2291 |
break;
|
| 2292 |
default:
|
| 2293 |
ret = -EINVAL; |
| 2294 |
goto fail;
|
| 2295 |
} |
| 2296 |
p = lock_user(arg2, sizeof(target_sigset_t), 1); |
| 2297 |
target_to_host_old_sigset(&set, p); |
| 2298 |
unlock_user(p, arg2, 0);
|
| 2299 |
set_ptr = &set; |
| 2300 |
} else {
|
| 2301 |
how = 0;
|
| 2302 |
set_ptr = NULL;
|
| 2303 |
} |
| 2304 |
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
| 2305 |
if (!is_error(ret) && arg3) {
|
| 2306 |
p = lock_user(arg3, sizeof(target_sigset_t), 0); |
| 2307 |
host_to_target_old_sigset(p, &oldset); |
| 2308 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
| 2309 |
} |
| 2310 |
} |
| 2311 |
break;
|
| 2312 |
case TARGET_NR_rt_sigprocmask:
|
| 2313 |
{
|
| 2314 |
int how = arg1;
|
| 2315 |
sigset_t set, oldset, *set_ptr; |
| 2316 |
|
| 2317 |
if (arg2) {
|
| 2318 |
switch(how) {
|
| 2319 |
case TARGET_SIG_BLOCK:
|
| 2320 |
how = SIG_BLOCK; |
| 2321 |
break;
|
| 2322 |
case TARGET_SIG_UNBLOCK:
|
| 2323 |
how = SIG_UNBLOCK; |
| 2324 |
break;
|
| 2325 |
case TARGET_SIG_SETMASK:
|
| 2326 |
how = SIG_SETMASK; |
| 2327 |
break;
|
| 2328 |
default:
|
| 2329 |
ret = -EINVAL; |
| 2330 |
goto fail;
|
| 2331 |
} |
| 2332 |
p = lock_user(arg2, sizeof(target_sigset_t), 1); |
| 2333 |
target_to_host_sigset(&set, p); |
| 2334 |
unlock_user(p, arg2, 0);
|
| 2335 |
set_ptr = &set; |
| 2336 |
} else {
|
| 2337 |
how = 0;
|
| 2338 |
set_ptr = NULL;
|
| 2339 |
} |
| 2340 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
| 2341 |
if (!is_error(ret) && arg3) {
|
| 2342 |
p = lock_user(arg3, sizeof(target_sigset_t), 0); |
| 2343 |
host_to_target_sigset(p, &oldset); |
| 2344 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
| 2345 |
} |
| 2346 |
} |
| 2347 |
break;
|
| 2348 |
case TARGET_NR_sigpending:
|
| 2349 |
{
|
| 2350 |
sigset_t set; |
| 2351 |
ret = get_errno(sigpending(&set)); |
| 2352 |
if (!is_error(ret)) {
|
| 2353 |
p = lock_user(arg1, sizeof(target_sigset_t), 0); |
| 2354 |
host_to_target_old_sigset(p, &set); |
| 2355 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
| 2356 |
} |
| 2357 |
} |
| 2358 |
break;
|
| 2359 |
case TARGET_NR_rt_sigpending:
|
| 2360 |
{
|
| 2361 |
sigset_t set; |
| 2362 |
ret = get_errno(sigpending(&set)); |
| 2363 |
if (!is_error(ret)) {
|
| 2364 |
p = lock_user(arg1, sizeof(target_sigset_t), 0); |
| 2365 |
host_to_target_sigset(p, &set); |
| 2366 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
| 2367 |
} |
| 2368 |
} |
| 2369 |
break;
|
| 2370 |
case TARGET_NR_sigsuspend:
|
| 2371 |
{
|
| 2372 |
sigset_t set; |
| 2373 |
p = lock_user(arg1, sizeof(target_sigset_t), 1); |
| 2374 |
target_to_host_old_sigset(&set, p); |
| 2375 |
unlock_user(p, arg1, 0);
|
| 2376 |
ret = get_errno(sigsuspend(&set)); |
| 2377 |
} |
| 2378 |
break;
|
| 2379 |
case TARGET_NR_rt_sigsuspend:
|
| 2380 |
{
|
| 2381 |
sigset_t set; |
| 2382 |
p = lock_user(arg1, sizeof(target_sigset_t), 1); |
| 2383 |
target_to_host_sigset(&set, p); |
| 2384 |
unlock_user(p, arg1, 0);
|
| 2385 |
ret = get_errno(sigsuspend(&set)); |
| 2386 |
} |
| 2387 |
break;
|
| 2388 |
case TARGET_NR_rt_sigtimedwait:
|
| 2389 |
{
|
| 2390 |
sigset_t set; |
| 2391 |
struct timespec uts, *puts;
|
| 2392 |
siginfo_t uinfo; |
| 2393 |
|
| 2394 |
p = lock_user(arg1, sizeof(target_sigset_t), 1); |
| 2395 |
target_to_host_sigset(&set, p); |
| 2396 |
unlock_user(p, arg1, 0);
|
| 2397 |
if (arg3) {
|
| 2398 |
puts = &uts; |
| 2399 |
target_to_host_timespec(puts, arg3); |
| 2400 |
} else {
|
| 2401 |
puts = NULL;
|
| 2402 |
} |
| 2403 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
| 2404 |
if (!is_error(ret) && arg2) {
|
| 2405 |
p = lock_user(arg2, sizeof(target_sigset_t), 0); |
| 2406 |
host_to_target_siginfo(p, &uinfo); |
| 2407 |
unlock_user(p, arg2, sizeof(target_sigset_t));
|
| 2408 |
} |
| 2409 |
} |
| 2410 |
break;
|
| 2411 |
case TARGET_NR_rt_sigqueueinfo:
|
| 2412 |
{
|
| 2413 |
siginfo_t uinfo; |
| 2414 |
p = lock_user(arg3, sizeof(target_sigset_t), 1); |
| 2415 |
target_to_host_siginfo(&uinfo, p); |
| 2416 |
unlock_user(p, arg1, 0);
|
| 2417 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
| 2418 |
} |
| 2419 |
break;
|
| 2420 |
case TARGET_NR_sigreturn:
|
| 2421 |
/* NOTE: ret is eax, so not transcoding must be done */
|
| 2422 |
ret = do_sigreturn(cpu_env); |
| 2423 |
break;
|
| 2424 |
case TARGET_NR_rt_sigreturn:
|
| 2425 |
/* NOTE: ret is eax, so not transcoding must be done */
|
| 2426 |
ret = do_rt_sigreturn(cpu_env); |
| 2427 |
break;
|
| 2428 |
case TARGET_NR_sethostname:
|
| 2429 |
p = lock_user_string(arg1); |
| 2430 |
ret = get_errno(sethostname(p, arg2)); |
| 2431 |
unlock_user(p, arg1, 0);
|
| 2432 |
break;
|
| 2433 |
case TARGET_NR_setrlimit:
|
| 2434 |
{
|
| 2435 |
/* XXX: convert resource ? */
|
| 2436 |
int resource = arg1;
|
| 2437 |
struct target_rlimit *target_rlim;
|
| 2438 |
struct rlimit rlim;
|
| 2439 |
lock_user_struct(target_rlim, arg2, 1);
|
| 2440 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
| 2441 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
| 2442 |
unlock_user_struct(target_rlim, arg2, 0);
|
| 2443 |
ret = get_errno(setrlimit(resource, &rlim)); |
| 2444 |
} |
| 2445 |
break;
|
| 2446 |
case TARGET_NR_getrlimit:
|
| 2447 |
{
|
| 2448 |
/* XXX: convert resource ? */
|
| 2449 |
int resource = arg1;
|
| 2450 |
struct target_rlimit *target_rlim;
|
| 2451 |
struct rlimit rlim;
|
| 2452 |
|
| 2453 |
ret = get_errno(getrlimit(resource, &rlim)); |
| 2454 |
if (!is_error(ret)) {
|
| 2455 |
lock_user_struct(target_rlim, arg2, 0);
|
| 2456 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
| 2457 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
| 2458 |
unlock_user_struct(target_rlim, arg2, 1);
|
| 2459 |
} |
| 2460 |
} |
| 2461 |
break;
|
| 2462 |
case TARGET_NR_getrusage:
|
| 2463 |
{
|
| 2464 |
struct rusage rusage;
|
| 2465 |
ret = get_errno(getrusage(arg1, &rusage)); |
| 2466 |
if (!is_error(ret)) {
|
| 2467 |
host_to_target_rusage(arg2, &rusage); |
| 2468 |
} |
| 2469 |
} |
| 2470 |
break;
|
| 2471 |
case TARGET_NR_gettimeofday:
|
| 2472 |
{
|
| 2473 |
struct timeval tv;
|
| 2474 |
ret = get_errno(gettimeofday(&tv, NULL));
|
| 2475 |
if (!is_error(ret)) {
|
| 2476 |
host_to_target_timeval(arg1, &tv); |
| 2477 |
} |
| 2478 |
} |
| 2479 |
break;
|
| 2480 |
case TARGET_NR_settimeofday:
|
| 2481 |
{
|
| 2482 |
struct timeval tv;
|
| 2483 |
target_to_host_timeval(&tv, arg1); |
| 2484 |
ret = get_errno(settimeofday(&tv, NULL));
|
| 2485 |
} |
| 2486 |
break;
|
| 2487 |
#ifdef TARGET_NR_select
|
| 2488 |
case TARGET_NR_select:
|
| 2489 |
{
|
| 2490 |
struct target_sel_arg_struct *sel;
|
| 2491 |
target_ulong inp, outp, exp, tvp; |
| 2492 |
long nsel;
|
| 2493 |
|
| 2494 |
lock_user_struct(sel, arg1, 1);
|
| 2495 |
nsel = tswapl(sel->n); |
| 2496 |
inp = tswapl(sel->inp); |
| 2497 |
outp = tswapl(sel->outp); |
| 2498 |
exp = tswapl(sel->exp); |
| 2499 |
tvp = tswapl(sel->tvp); |
| 2500 |
unlock_user_struct(sel, arg1, 0);
|
| 2501 |
ret = do_select(nsel, inp, outp, exp, tvp); |
| 2502 |
} |
| 2503 |
break;
|
| 2504 |
#endif
|
| 2505 |
case TARGET_NR_symlink:
|
| 2506 |
{
|
| 2507 |
void *p2;
|
| 2508 |
p = lock_user_string(arg1); |
| 2509 |
p2 = lock_user_string(arg2); |
| 2510 |
ret = get_errno(symlink(p, p2)); |
| 2511 |
unlock_user(p2, arg2, 0);
|
| 2512 |
unlock_user(p, arg1, 0);
|
| 2513 |
} |
| 2514 |
break;
|
| 2515 |
#ifdef TARGET_NR_oldlstat
|
| 2516 |
case TARGET_NR_oldlstat:
|
| 2517 |
goto unimplemented;
|
| 2518 |
#endif
|
| 2519 |
case TARGET_NR_readlink:
|
| 2520 |
{
|
| 2521 |
void *p2;
|
| 2522 |
p = lock_user_string(arg1); |
| 2523 |
p2 = lock_user(arg2, arg3, 0);
|
| 2524 |
ret = get_errno(readlink(path(p), p2, arg3)); |
| 2525 |
unlock_user(p2, arg2, ret); |
| 2526 |
unlock_user(p, arg1, 0);
|
| 2527 |
} |
| 2528 |
break;
|
| 2529 |
case TARGET_NR_uselib:
|
| 2530 |
goto unimplemented;
|
| 2531 |
case TARGET_NR_swapon:
|
| 2532 |
p = lock_user_string(arg1); |
| 2533 |
ret = get_errno(swapon(p, arg2)); |
| 2534 |
unlock_user(p, arg1, 0);
|
| 2535 |
break;
|
| 2536 |
case TARGET_NR_reboot:
|
| 2537 |
goto unimplemented;
|
| 2538 |
case TARGET_NR_readdir:
|
| 2539 |
goto unimplemented;
|
| 2540 |
case TARGET_NR_mmap:
|
| 2541 |
#if defined(TARGET_I386) || defined(TARGET_ARM)
|
| 2542 |
{
|
| 2543 |
target_ulong *v; |
| 2544 |
target_ulong v1, v2, v3, v4, v5, v6; |
| 2545 |
v = lock_user(arg1, 6 * sizeof(target_ulong), 1); |
| 2546 |
v1 = tswapl(v[0]);
|
| 2547 |
v2 = tswapl(v[1]);
|
| 2548 |
v3 = tswapl(v[2]);
|
| 2549 |
v4 = tswapl(v[3]);
|
| 2550 |
v5 = tswapl(v[4]);
|
| 2551 |
v6 = tswapl(v[5]);
|
| 2552 |
unlock_user(v, arg1, 0);
|
| 2553 |
ret = get_errno(target_mmap(v1, v2, v3, |
| 2554 |
target_to_host_bitmask(v4, mmap_flags_tbl), |
| 2555 |
v5, v6)); |
| 2556 |
} |
| 2557 |
#else
|
| 2558 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
| 2559 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
| 2560 |
arg5, |
| 2561 |
arg6)); |
| 2562 |
#endif
|
| 2563 |
break;
|
| 2564 |
#ifdef TARGET_NR_mmap2
|
| 2565 |
case TARGET_NR_mmap2:
|
| 2566 |
#if defined(TARGET_SPARC)
|
| 2567 |
#define MMAP_SHIFT 12 |
| 2568 |
#else
|
| 2569 |
#define MMAP_SHIFT TARGET_PAGE_BITS
|
| 2570 |
#endif
|
| 2571 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
| 2572 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
| 2573 |
arg5, |
| 2574 |
arg6 << MMAP_SHIFT)); |
| 2575 |
break;
|
| 2576 |
#endif
|
| 2577 |
case TARGET_NR_munmap:
|
| 2578 |
ret = get_errno(target_munmap(arg1, arg2)); |
| 2579 |
break;
|
| 2580 |
case TARGET_NR_mprotect:
|
| 2581 |
ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
| 2582 |
break;
|
| 2583 |
case TARGET_NR_mremap:
|
| 2584 |
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
| 2585 |
break;
|
| 2586 |
/* ??? msync/mlock/munlock are broken for softmmu. */
|
| 2587 |
case TARGET_NR_msync:
|
| 2588 |
ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
| 2589 |
break;
|
| 2590 |
case TARGET_NR_mlock:
|
| 2591 |
ret = get_errno(mlock(g2h(arg1), arg2)); |
| 2592 |
break;
|
| 2593 |
case TARGET_NR_munlock:
|
| 2594 |
ret = get_errno(munlock(g2h(arg1), arg2)); |
| 2595 |
break;
|
| 2596 |
case TARGET_NR_mlockall:
|
| 2597 |
ret = get_errno(mlockall(arg1)); |
| 2598 |
break;
|
| 2599 |
case TARGET_NR_munlockall:
|
| 2600 |
ret = get_errno(munlockall()); |
| 2601 |
break;
|
| 2602 |
case TARGET_NR_truncate:
|
| 2603 |
p = lock_user_string(arg1); |
| 2604 |
ret = get_errno(truncate(p, arg2)); |
| 2605 |
unlock_user(p, arg1, 0);
|
| 2606 |
break;
|
| 2607 |
case TARGET_NR_ftruncate:
|
| 2608 |
ret = get_errno(ftruncate(arg1, arg2)); |
| 2609 |
break;
|
| 2610 |
case TARGET_NR_fchmod:
|
| 2611 |
ret = get_errno(fchmod(arg1, arg2)); |
| 2612 |
break;
|
| 2613 |
case TARGET_NR_getpriority:
|
| 2614 |
ret = get_errno(getpriority(arg1, arg2)); |
| 2615 |
break;
|
| 2616 |
case TARGET_NR_setpriority:
|
| 2617 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
| 2618 |
break;
|
| 2619 |
#ifdef TARGET_NR_profil
|
| 2620 |
case TARGET_NR_profil:
|
| 2621 |
goto unimplemented;
|
| 2622 |
#endif
|
| 2623 |
case TARGET_NR_statfs:
|
| 2624 |
p = lock_user_string(arg1); |
| 2625 |
ret = get_errno(statfs(path(p), &stfs)); |
| 2626 |
unlock_user(p, arg1, 0);
|
| 2627 |
convert_statfs:
|
| 2628 |
if (!is_error(ret)) {
|
| 2629 |
struct target_statfs *target_stfs;
|
| 2630 |
|
| 2631 |
lock_user_struct(target_stfs, arg2, 0);
|
| 2632 |
/* ??? put_user is probably wrong. */
|
| 2633 |
put_user(stfs.f_type, &target_stfs->f_type); |
| 2634 |
put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| 2635 |
put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| 2636 |
put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| 2637 |
put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| 2638 |
put_user(stfs.f_files, &target_stfs->f_files); |
| 2639 |
put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| 2640 |
put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
|
| 2641 |
put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| 2642 |
unlock_user_struct(target_stfs, arg2, 1);
|
| 2643 |
} |
| 2644 |
break;
|
| 2645 |
case TARGET_NR_fstatfs:
|
| 2646 |
ret = get_errno(fstatfs(arg1, &stfs)); |
| 2647 |
goto convert_statfs;
|
| 2648 |
#ifdef TARGET_NR_statfs64
|
| 2649 |
case TARGET_NR_statfs64:
|
| 2650 |
p = lock_user_string(arg1); |
| 2651 |
ret = get_errno(statfs(path(p), &stfs)); |
| 2652 |
unlock_user(p, arg1, 0);
|
| 2653 |
convert_statfs64:
|
| 2654 |
if (!is_error(ret)) {
|
| 2655 |
struct target_statfs64 *target_stfs;
|
| 2656 |
|
| 2657 |
lock_user_struct(target_stfs, arg3, 0);
|
| 2658 |
/* ??? put_user is probably wrong. */
|
| 2659 |
put_user(stfs.f_type, &target_stfs->f_type); |
| 2660 |
put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| 2661 |
put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| 2662 |
put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| 2663 |
put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| 2664 |
put_user(stfs.f_files, &target_stfs->f_files); |
| 2665 |
put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| 2666 |
put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
|
| 2667 |
put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| 2668 |
unlock_user_struct(target_stfs, arg3, 0);
|
| 2669 |
} |
| 2670 |
break;
|
| 2671 |
case TARGET_NR_fstatfs64:
|
| 2672 |
ret = get_errno(fstatfs(arg1, &stfs)); |
| 2673 |
goto convert_statfs64;
|
| 2674 |
#endif
|
| 2675 |
#ifdef TARGET_NR_ioperm
|
| 2676 |
case TARGET_NR_ioperm:
|
| 2677 |
goto unimplemented;
|
| 2678 |
#endif
|
| 2679 |
case TARGET_NR_socketcall:
|
| 2680 |
ret = do_socketcall(arg1, arg2); |
| 2681 |
break;
|
| 2682 |
case TARGET_NR_syslog:
|
| 2683 |
goto unimplemented;
|
| 2684 |
case TARGET_NR_setitimer:
|
| 2685 |
{
|
| 2686 |
struct itimerval value, ovalue, *pvalue;
|
| 2687 |
|
| 2688 |
if (arg2) {
|
| 2689 |
pvalue = &value; |
| 2690 |
target_to_host_timeval(&pvalue->it_interval, |
| 2691 |
arg2); |
| 2692 |
target_to_host_timeval(&pvalue->it_value, |
| 2693 |
arg2 + sizeof(struct target_timeval)); |
| 2694 |
} else {
|
| 2695 |
pvalue = NULL;
|
| 2696 |
} |
| 2697 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
| 2698 |
if (!is_error(ret) && arg3) {
|
| 2699 |
host_to_target_timeval(arg3, |
| 2700 |
&ovalue.it_interval); |
| 2701 |
host_to_target_timeval(arg3 + sizeof(struct target_timeval), |
| 2702 |
&ovalue.it_value); |
| 2703 |
} |
| 2704 |
} |
| 2705 |
break;
|
| 2706 |
case TARGET_NR_getitimer:
|
| 2707 |
{
|
| 2708 |
struct itimerval value;
|
| 2709 |
|
| 2710 |
ret = get_errno(getitimer(arg1, &value)); |
| 2711 |
if (!is_error(ret) && arg2) {
|
| 2712 |
host_to_target_timeval(arg2, |
| 2713 |
&value.it_interval); |
| 2714 |
host_to_target_timeval(arg2 + sizeof(struct target_timeval), |
| 2715 |
&value.it_value); |
| 2716 |
} |
| 2717 |
} |
| 2718 |
break;
|
| 2719 |
case TARGET_NR_stat:
|
| 2720 |
p = lock_user_string(arg1); |
| 2721 |
ret = get_errno(stat(path(p), &st)); |
| 2722 |
unlock_user(p, arg1, 0);
|
| 2723 |
goto do_stat;
|
| 2724 |
case TARGET_NR_lstat:
|
| 2725 |
p = lock_user_string(arg1); |
| 2726 |
ret = get_errno(lstat(path(p), &st)); |
| 2727 |
unlock_user(p, arg1, 0);
|
| 2728 |
goto do_stat;
|
| 2729 |
case TARGET_NR_fstat:
|
| 2730 |
{
|
| 2731 |
ret = get_errno(fstat(arg1, &st)); |
| 2732 |
do_stat:
|
| 2733 |
if (!is_error(ret)) {
|
| 2734 |
struct target_stat *target_st;
|
| 2735 |
|
| 2736 |
lock_user_struct(target_st, arg2, 0);
|
| 2737 |
target_st->st_dev = tswap16(st.st_dev); |
| 2738 |
target_st->st_ino = tswapl(st.st_ino); |
| 2739 |
#if defined(TARGET_PPC)
|
| 2740 |
target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
|
| 2741 |
target_st->st_uid = tswap32(st.st_uid); |
| 2742 |
target_st->st_gid = tswap32(st.st_gid); |
| 2743 |
#else
|
| 2744 |
target_st->st_mode = tswap16(st.st_mode); |
| 2745 |
target_st->st_uid = tswap16(st.st_uid); |
| 2746 |
target_st->st_gid = tswap16(st.st_gid); |
| 2747 |
#endif
|
| 2748 |
target_st->st_nlink = tswap16(st.st_nlink); |
| 2749 |
target_st->st_rdev = tswap16(st.st_rdev); |
| 2750 |
target_st->st_size = tswapl(st.st_size); |
| 2751 |
target_st->st_blksize = tswapl(st.st_blksize); |
| 2752 |
target_st->st_blocks = tswapl(st.st_blocks); |
| 2753 |
target_st->target_st_atime = tswapl(st.st_atime); |
| 2754 |
target_st->target_st_mtime = tswapl(st.st_mtime); |
| 2755 |
target_st->target_st_ctime = tswapl(st.st_ctime); |
| 2756 |
unlock_user_struct(target_st, arg2, 1);
|
| 2757 |
} |
| 2758 |
} |
| 2759 |
break;
|
| 2760 |
#ifdef TARGET_NR_olduname
|
| 2761 |
case TARGET_NR_olduname:
|
| 2762 |
goto unimplemented;
|
| 2763 |
#endif
|
| 2764 |
#ifdef TARGET_NR_iopl
|
| 2765 |
case TARGET_NR_iopl:
|
| 2766 |
goto unimplemented;
|
| 2767 |
#endif
|
| 2768 |
case TARGET_NR_vhangup:
|
| 2769 |
ret = get_errno(vhangup()); |
| 2770 |
break;
|
| 2771 |
#ifdef TARGET_NR_idle
|
| 2772 |
case TARGET_NR_idle:
|
| 2773 |
goto unimplemented;
|
| 2774 |
#endif
|
| 2775 |
#ifdef TARGET_NR_syscall
|
| 2776 |
case TARGET_NR_syscall:
|
| 2777 |
ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); |
| 2778 |
break;
|
| 2779 |
#endif
|
| 2780 |
case TARGET_NR_wait4:
|
| 2781 |
{
|
| 2782 |
int status;
|
| 2783 |
target_long status_ptr = arg2; |
| 2784 |
struct rusage rusage, *rusage_ptr;
|
| 2785 |
target_ulong target_rusage = arg4; |
| 2786 |
if (target_rusage)
|
| 2787 |
rusage_ptr = &rusage; |
| 2788 |
else
|
| 2789 |
rusage_ptr = NULL;
|
| 2790 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
| 2791 |
if (!is_error(ret)) {
|
| 2792 |
if (status_ptr)
|
| 2793 |
tputl(status_ptr, status); |
| 2794 |
if (target_rusage) {
|
| 2795 |
host_to_target_rusage(target_rusage, &rusage); |
| 2796 |
} |
| 2797 |
} |
| 2798 |
} |
| 2799 |
break;
|
| 2800 |
case TARGET_NR_swapoff:
|
| 2801 |
p = lock_user_string(arg1); |
| 2802 |
ret = get_errno(swapoff(p)); |
| 2803 |
unlock_user(p, arg1, 0);
|
| 2804 |
break;
|
| 2805 |
case TARGET_NR_sysinfo:
|
| 2806 |
{
|
| 2807 |
struct target_sysinfo *target_value;
|
| 2808 |
struct sysinfo value;
|
| 2809 |
ret = get_errno(sysinfo(&value)); |
| 2810 |
if (!is_error(ret) && arg1)
|
| 2811 |
{
|
| 2812 |
/* ??? __put_user is probably wrong. */
|
| 2813 |
lock_user_struct(target_value, arg1, 0);
|
| 2814 |
__put_user(value.uptime, &target_value->uptime); |
| 2815 |
__put_user(value.loads[0], &target_value->loads[0]); |
| 2816 |
__put_user(value.loads[1], &target_value->loads[1]); |
| 2817 |
__put_user(value.loads[2], &target_value->loads[2]); |
| 2818 |
__put_user(value.totalram, &target_value->totalram); |
| 2819 |
__put_user(value.freeram, &target_value->freeram); |
| 2820 |
__put_user(value.sharedram, &target_value->sharedram); |
| 2821 |
__put_user(value.bufferram, &target_value->bufferram); |
| 2822 |
__put_user(value.totalswap, &target_value->totalswap); |
| 2823 |
__put_user(value.freeswap, &target_value->freeswap); |
| 2824 |
__put_user(value.procs, &target_value->procs); |
| 2825 |
__put_user(value.totalhigh, &target_value->totalhigh); |
| 2826 |
__put_user(value.freehigh, &target_value->freehigh); |
| 2827 |
__put_user(value.mem_unit, &target_value->mem_unit); |
| 2828 |
unlock_user_struct(target_value, arg1, 1);
|
| 2829 |
} |
| 2830 |
} |
| 2831 |
break;
|
| 2832 |
case TARGET_NR_ipc:
|
| 2833 |
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
| 2834 |
break;
|
| 2835 |
case TARGET_NR_fsync:
|
| 2836 |
ret = get_errno(fsync(arg1)); |
| 2837 |
break;
|
| 2838 |
case TARGET_NR_clone:
|
| 2839 |
ret = get_errno(do_fork(cpu_env, arg1, arg2)); |
| 2840 |
break;
|
| 2841 |
#ifdef __NR_exit_group
|
| 2842 |
/* new thread calls */
|
| 2843 |
case TARGET_NR_exit_group:
|
| 2844 |
gdb_exit(cpu_env, arg1); |
| 2845 |
ret = get_errno(exit_group(arg1)); |
| 2846 |
break;
|
| 2847 |
#endif
|
| 2848 |
case TARGET_NR_setdomainname:
|
| 2849 |
p = lock_user_string(arg1); |
| 2850 |
ret = get_errno(setdomainname(p, arg2)); |
| 2851 |
unlock_user(p, arg1, 0);
|
| 2852 |
break;
|
| 2853 |
case TARGET_NR_uname:
|
| 2854 |
/* no need to transcode because we use the linux syscall */
|
| 2855 |
{
|
| 2856 |
struct new_utsname * buf;
|
| 2857 |
|
| 2858 |
lock_user_struct(buf, arg1, 0);
|
| 2859 |
ret = get_errno(sys_uname(buf)); |
| 2860 |
if (!is_error(ret)) {
|
| 2861 |
/* Overrite the native machine name with whatever is being
|
| 2862 |
emulated. */
|
| 2863 |
strcpy (buf->machine, UNAME_MACHINE); |
| 2864 |
} |
| 2865 |
unlock_user_struct(buf, arg1, 1);
|
| 2866 |
} |
| 2867 |
break;
|
| 2868 |
#ifdef TARGET_I386
|
| 2869 |
case TARGET_NR_modify_ldt:
|
| 2870 |
ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3)); |
| 2871 |
break;
|
| 2872 |
case TARGET_NR_vm86old:
|
| 2873 |
goto unimplemented;
|
| 2874 |
case TARGET_NR_vm86:
|
| 2875 |
ret = do_vm86(cpu_env, arg1, arg2); |
| 2876 |
break;
|
| 2877 |
#endif
|
| 2878 |
case TARGET_NR_adjtimex:
|
| 2879 |
goto unimplemented;
|
| 2880 |
case TARGET_NR_create_module:
|
| 2881 |
case TARGET_NR_init_module:
|
| 2882 |
case TARGET_NR_delete_module:
|
| 2883 |
case TARGET_NR_get_kernel_syms:
|
| 2884 |
goto unimplemented;
|
| 2885 |
case TARGET_NR_quotactl:
|
| 2886 |
goto unimplemented;
|
| 2887 |
case TARGET_NR_getpgid:
|
| 2888 |
ret = get_errno(getpgid(arg1)); |
| 2889 |
break;
|
| 2890 |
case TARGET_NR_fchdir:
|
| 2891 |
ret = get_errno(fchdir(arg1)); |
| 2892 |
break;
|
| 2893 |
case TARGET_NR_bdflush:
|
| 2894 |
goto unimplemented;
|
| 2895 |
case TARGET_NR_sysfs:
|
| 2896 |
goto unimplemented;
|
| 2897 |
case TARGET_NR_personality:
|
| 2898 |
ret = get_errno(personality(arg1)); |
| 2899 |
break;
|
| 2900 |
case TARGET_NR_afs_syscall:
|
| 2901 |
goto unimplemented;
|
| 2902 |
case TARGET_NR__llseek:
|
| 2903 |
{
|
| 2904 |
#if defined (__x86_64__)
|
| 2905 |
ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
|
| 2906 |
tput64(arg4, ret); |
| 2907 |
#else
|
| 2908 |
int64_t res; |
| 2909 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
| 2910 |
tput64(arg4, res); |
| 2911 |
#endif
|
| 2912 |
} |
| 2913 |
break;
|
| 2914 |
case TARGET_NR_getdents:
|
| 2915 |
#if TARGET_LONG_SIZE != 4 |
| 2916 |
goto unimplemented;
|
| 2917 |
#warning not supported
|
| 2918 |
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 |
| 2919 |
{
|
| 2920 |
struct target_dirent *target_dirp;
|
| 2921 |
struct dirent *dirp;
|
| 2922 |
long count = arg3;
|
| 2923 |
|
| 2924 |
dirp = malloc(count); |
| 2925 |
if (!dirp)
|
| 2926 |
return -ENOMEM;
|
| 2927 |
|
| 2928 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
| 2929 |
if (!is_error(ret)) {
|
| 2930 |
struct dirent *de;
|
| 2931 |
struct target_dirent *tde;
|
| 2932 |
int len = ret;
|
| 2933 |
int reclen, treclen;
|
| 2934 |
int count1, tnamelen;
|
| 2935 |
|
| 2936 |
count1 = 0;
|
| 2937 |
de = dirp; |
| 2938 |
target_dirp = lock_user(arg2, count, 0);
|
| 2939 |
tde = target_dirp; |
| 2940 |
while (len > 0) { |
| 2941 |
reclen = de->d_reclen; |
| 2942 |
treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); |
| 2943 |
tde->d_reclen = tswap16(treclen); |
| 2944 |
tde->d_ino = tswapl(de->d_ino); |
| 2945 |
tde->d_off = tswapl(de->d_off); |
| 2946 |
tnamelen = treclen - (2 * sizeof(target_long) + 2); |
| 2947 |
if (tnamelen > 256) |
| 2948 |
tnamelen = 256;
|
| 2949 |
/* XXX: may not be correct */
|
| 2950 |
strncpy(tde->d_name, de->d_name, tnamelen); |
| 2951 |
de = (struct dirent *)((char *)de + reclen); |
| 2952 |
len -= reclen; |
| 2953 |
tde = (struct dirent *)((char *)tde + treclen); |
| 2954 |
count1 += treclen; |
| 2955 |
} |
| 2956 |
ret = count1; |
| 2957 |
} |
| 2958 |
unlock_user(target_dirp, arg2, ret); |
| 2959 |
free(dirp); |
| 2960 |
} |
| 2961 |
#else
|
| 2962 |
{
|
| 2963 |
struct dirent *dirp;
|
| 2964 |
long count = arg3;
|
| 2965 |
|
| 2966 |
dirp = lock_user(arg2, count, 0);
|
| 2967 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
| 2968 |
if (!is_error(ret)) {
|
| 2969 |
struct dirent *de;
|
| 2970 |
int len = ret;
|
| 2971 |
int reclen;
|
| 2972 |
de = dirp; |
| 2973 |
while (len > 0) { |
| 2974 |
reclen = de->d_reclen; |
| 2975 |
if (reclen > len)
|
| 2976 |
break;
|
| 2977 |
de->d_reclen = tswap16(reclen); |
| 2978 |
tswapls(&de->d_ino); |
| 2979 |
tswapls(&de->d_off); |
| 2980 |
de = (struct dirent *)((char *)de + reclen); |
| 2981 |
len -= reclen; |
| 2982 |
} |
| 2983 |
} |
| 2984 |
unlock_user(dirp, arg2, ret); |
| 2985 |
} |
| 2986 |
#endif
|
| 2987 |
break;
|
| 2988 |
#ifdef TARGET_NR_getdents64
|
| 2989 |
case TARGET_NR_getdents64:
|
| 2990 |
{
|
| 2991 |
struct dirent64 *dirp;
|
| 2992 |
long count = arg3;
|
| 2993 |
dirp = lock_user(arg2, count, 0);
|
| 2994 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
| 2995 |
if (!is_error(ret)) {
|
| 2996 |
struct dirent64 *de;
|
| 2997 |
int len = ret;
|
| 2998 |
int reclen;
|
| 2999 |
de = dirp; |
| 3000 |
while (len > 0) { |
| 3001 |
reclen = de->d_reclen; |
| 3002 |
if (reclen > len)
|
| 3003 |
break;
|
| 3004 |
de->d_reclen = tswap16(reclen); |
| 3005 |
tswap64s(&de->d_ino); |
| 3006 |
tswap64s(&de->d_off); |
| 3007 |
de = (struct dirent64 *)((char *)de + reclen); |
| 3008 |
len -= reclen; |
| 3009 |
} |
| 3010 |
} |
| 3011 |
unlock_user(dirp, arg2, ret); |
| 3012 |
} |
| 3013 |
break;
|
| 3014 |
#endif /* TARGET_NR_getdents64 */ |
| 3015 |
case TARGET_NR__newselect:
|
| 3016 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
| 3017 |
break;
|
| 3018 |
case TARGET_NR_poll:
|
| 3019 |
{
|
| 3020 |
struct target_pollfd *target_pfd;
|
| 3021 |
unsigned int nfds = arg2; |
| 3022 |
int timeout = arg3;
|
| 3023 |
struct pollfd *pfd;
|
| 3024 |
unsigned int i; |
| 3025 |
|
| 3026 |
target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1); |
| 3027 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
| 3028 |
for(i = 0; i < nfds; i++) { |
| 3029 |
pfd[i].fd = tswap32(target_pfd[i].fd); |
| 3030 |
pfd[i].events = tswap16(target_pfd[i].events); |
| 3031 |
} |
| 3032 |
ret = get_errno(poll(pfd, nfds, timeout)); |
| 3033 |
if (!is_error(ret)) {
|
| 3034 |
for(i = 0; i < nfds; i++) { |
| 3035 |
target_pfd[i].revents = tswap16(pfd[i].revents); |
| 3036 |
} |
| 3037 |
ret += nfds * (sizeof(struct target_pollfd) |
| 3038 |
- sizeof(struct pollfd)); |
| 3039 |
} |
| 3040 |
unlock_user(target_pfd, arg1, ret); |
| 3041 |
} |
| 3042 |
break;
|
| 3043 |
case TARGET_NR_flock:
|
| 3044 |
/* NOTE: the flock constant seems to be the same for every
|
| 3045 |
Linux platform */
|
| 3046 |
ret = get_errno(flock(arg1, arg2)); |
| 3047 |
break;
|
| 3048 |
case TARGET_NR_readv:
|
| 3049 |
{
|
| 3050 |
int count = arg3;
|
| 3051 |
struct iovec *vec;
|
| 3052 |
|
| 3053 |
vec = alloca(count * sizeof(struct iovec)); |
| 3054 |
lock_iovec(vec, arg2, count, 0);
|
| 3055 |
ret = get_errno(readv(arg1, vec, count)); |
| 3056 |
unlock_iovec(vec, arg2, count, 1);
|
| 3057 |
} |
| 3058 |
break;
|
| 3059 |
case TARGET_NR_writev:
|
| 3060 |
{
|
| 3061 |
int count = arg3;
|
| 3062 |
struct iovec *vec;
|
| 3063 |
|
| 3064 |
vec = alloca(count * sizeof(struct iovec)); |
| 3065 |
lock_iovec(vec, arg2, count, 1);
|
| 3066 |
ret = get_errno(writev(arg1, vec, count)); |
| 3067 |
unlock_iovec(vec, arg2, count, 0);
|
| 3068 |
} |
| 3069 |
break;
|
| 3070 |
case TARGET_NR_getsid:
|
| 3071 |
ret = get_errno(getsid(arg1)); |
| 3072 |
break;
|
| 3073 |
case TARGET_NR_fdatasync:
|
| 3074 |
ret = get_errno(fdatasync(arg1)); |
| 3075 |
break;
|
| 3076 |
case TARGET_NR__sysctl:
|
| 3077 |
/* We don't implement this, but ENODIR is always a safe
|
| 3078 |
return value. */
|
| 3079 |
return -ENOTDIR;
|
| 3080 |
case TARGET_NR_sched_setparam:
|
| 3081 |
{
|
| 3082 |
struct sched_param *target_schp;
|
| 3083 |
struct sched_param schp;
|
| 3084 |
|
| 3085 |
lock_user_struct(target_schp, arg2, 1);
|
| 3086 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
| 3087 |
unlock_user_struct(target_schp, arg2, 0);
|
| 3088 |
ret = get_errno(sched_setparam(arg1, &schp)); |
| 3089 |
} |
| 3090 |
break;
|
| 3091 |
case TARGET_NR_sched_getparam:
|
| 3092 |
{
|
| 3093 |
struct sched_param *target_schp;
|
| 3094 |
struct sched_param schp;
|
| 3095 |
ret = get_errno(sched_getparam(arg1, &schp)); |
| 3096 |
if (!is_error(ret)) {
|
| 3097 |
lock_user_struct(target_schp, arg2, 0);
|
| 3098 |
target_schp->sched_priority = tswap32(schp.sched_priority); |
| 3099 |
unlock_user_struct(target_schp, arg2, 1);
|
| 3100 |
} |
| 3101 |
} |
| 3102 |
break;
|
| 3103 |
case TARGET_NR_sched_setscheduler:
|
| 3104 |
{
|
| 3105 |
struct sched_param *target_schp;
|
| 3106 |
struct sched_param schp;
|
| 3107 |
lock_user_struct(target_schp, arg3, 1);
|
| 3108 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
| 3109 |
unlock_user_struct(target_schp, arg3, 0);
|
| 3110 |
ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
| 3111 |
} |
| 3112 |
break;
|
| 3113 |
case TARGET_NR_sched_getscheduler:
|
| 3114 |
ret = get_errno(sched_getscheduler(arg1)); |
| 3115 |
break;
|
| 3116 |
case TARGET_NR_sched_yield:
|
| 3117 |
ret = get_errno(sched_yield()); |
| 3118 |
break;
|
| 3119 |
case TARGET_NR_sched_get_priority_max:
|
| 3120 |
ret = get_errno(sched_get_priority_max(arg1)); |
| 3121 |
break;
|
| 3122 |
case TARGET_NR_sched_get_priority_min:
|
| 3123 |
ret = get_errno(sched_get_priority_min(arg1)); |
| 3124 |
break;
|
| 3125 |
case TARGET_NR_sched_rr_get_interval:
|
| 3126 |
{
|
| 3127 |
struct timespec ts;
|
| 3128 |
ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
| 3129 |
if (!is_error(ret)) {
|
| 3130 |
host_to_target_timespec(arg2, &ts); |
| 3131 |
} |
| 3132 |
} |
| 3133 |
break;
|
| 3134 |
case TARGET_NR_nanosleep:
|
| 3135 |
{
|
| 3136 |
struct timespec req, rem;
|
| 3137 |
target_to_host_timespec(&req, arg1); |
| 3138 |
ret = get_errno(nanosleep(&req, &rem)); |
| 3139 |
if (is_error(ret) && arg2) {
|
| 3140 |
host_to_target_timespec(arg2, &rem); |
| 3141 |
} |
| 3142 |
} |
| 3143 |
break;
|
| 3144 |
case TARGET_NR_query_module:
|
| 3145 |
goto unimplemented;
|
| 3146 |
case TARGET_NR_nfsservctl:
|
| 3147 |
goto unimplemented;
|
| 3148 |
case TARGET_NR_prctl:
|
| 3149 |
goto unimplemented;
|
| 3150 |
#ifdef TARGET_NR_pread
|
| 3151 |
case TARGET_NR_pread:
|
| 3152 |
page_unprotect_range(arg2, arg3); |
| 3153 |
p = lock_user(arg2, arg3, 0);
|
| 3154 |
ret = get_errno(pread(arg1, p, arg3, arg4)); |
| 3155 |
unlock_user(p, arg2, ret); |
| 3156 |
break;
|
| 3157 |
case TARGET_NR_pwrite:
|
| 3158 |
p = lock_user(arg2, arg3, 1);
|
| 3159 |
ret = get_errno(pwrite(arg1, p, arg3, arg4)); |
| 3160 |
unlock_user(p, arg2, 0);
|
| 3161 |
break;
|
| 3162 |
#endif
|
| 3163 |
case TARGET_NR_getcwd:
|
| 3164 |
p = lock_user(arg1, arg2, 0);
|
| 3165 |
ret = get_errno(sys_getcwd1(p, arg2)); |
| 3166 |
unlock_user(p, arg1, ret); |
| 3167 |
break;
|
| 3168 |
case TARGET_NR_capget:
|
| 3169 |
goto unimplemented;
|
| 3170 |
case TARGET_NR_capset:
|
| 3171 |
goto unimplemented;
|
| 3172 |
case TARGET_NR_sigaltstack:
|
| 3173 |
goto unimplemented;
|
| 3174 |
case TARGET_NR_sendfile:
|
| 3175 |
goto unimplemented;
|
| 3176 |
#ifdef TARGET_NR_getpmsg
|
| 3177 |
case TARGET_NR_getpmsg:
|
| 3178 |
goto unimplemented;
|
| 3179 |
#endif
|
| 3180 |
#ifdef TARGET_NR_putpmsg
|
| 3181 |
case TARGET_NR_putpmsg:
|
| 3182 |
goto unimplemented;
|
| 3183 |
#endif
|
| 3184 |
#ifdef TARGET_NR_vfork
|
| 3185 |
case TARGET_NR_vfork:
|
| 3186 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
|
| 3187 |
break;
|
| 3188 |
#endif
|
| 3189 |
#ifdef TARGET_NR_ugetrlimit
|
| 3190 |
case TARGET_NR_ugetrlimit:
|
| 3191 |
{
|
| 3192 |
struct rlimit rlim;
|
| 3193 |
ret = get_errno(getrlimit(arg1, &rlim)); |
| 3194 |
if (!is_error(ret)) {
|
| 3195 |
struct target_rlimit *target_rlim;
|
| 3196 |
lock_user_struct(target_rlim, arg2, 0);
|
| 3197 |
target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
| 3198 |
target_rlim->rlim_max = tswapl(rlim.rlim_max); |
| 3199 |
unlock_user_struct(target_rlim, arg2, 1);
|
| 3200 |
} |
| 3201 |
break;
|
| 3202 |
} |
| 3203 |
#endif
|
| 3204 |
#ifdef TARGET_NR_truncate64
|
| 3205 |
case TARGET_NR_truncate64:
|
| 3206 |
p = lock_user_string(arg1); |
| 3207 |
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
| 3208 |
unlock_user(p, arg1, 0);
|
| 3209 |
break;
|
| 3210 |
#endif
|
| 3211 |
#ifdef TARGET_NR_ftruncate64
|
| 3212 |
case TARGET_NR_ftruncate64:
|
| 3213 |
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
| 3214 |
break;
|
| 3215 |
#endif
|
| 3216 |
#ifdef TARGET_NR_stat64
|
| 3217 |
case TARGET_NR_stat64:
|
| 3218 |
p = lock_user_string(arg1); |
| 3219 |
ret = get_errno(stat(path(p), &st)); |
| 3220 |
unlock_user(p, arg1, 0);
|
| 3221 |
goto do_stat64;
|
| 3222 |
#endif
|
| 3223 |
#ifdef TARGET_NR_lstat64
|
| 3224 |
case TARGET_NR_lstat64:
|
| 3225 |
p = lock_user_string(arg1); |
| 3226 |
ret = get_errno(lstat(path(p), &st)); |
| 3227 |
unlock_user(p, arg1, 0);
|
| 3228 |
goto do_stat64;
|
| 3229 |
#endif
|
| 3230 |
#ifdef TARGET_NR_fstat64
|
| 3231 |
case TARGET_NR_fstat64:
|
| 3232 |
{
|
| 3233 |
ret = get_errno(fstat(arg1, &st)); |
| 3234 |
do_stat64:
|
| 3235 |
if (!is_error(ret)) {
|
| 3236 |
#ifdef TARGET_ARM
|
| 3237 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 3238 |
struct target_eabi_stat64 *target_st;
|
| 3239 |
lock_user_struct(target_st, arg2, 1);
|
| 3240 |
memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
| 3241 |
/* put_user is probably wrong. */
|
| 3242 |
put_user(st.st_dev, &target_st->st_dev); |
| 3243 |
put_user(st.st_ino, &target_st->st_ino); |
| 3244 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
| 3245 |
put_user(st.st_ino, &target_st->__st_ino); |
| 3246 |
#endif
|
| 3247 |
put_user(st.st_mode, &target_st->st_mode); |
| 3248 |
put_user(st.st_nlink, &target_st->st_nlink); |
| 3249 |
put_user(st.st_uid, &target_st->st_uid); |
| 3250 |
put_user(st.st_gid, &target_st->st_gid); |
| 3251 |
put_user(st.st_rdev, &target_st->st_rdev); |
| 3252 |
/* XXX: better use of kernel struct */
|
| 3253 |
put_user(st.st_size, &target_st->st_size); |
| 3254 |
put_user(st.st_blksize, &target_st->st_blksize); |
| 3255 |
put_user(st.st_blocks, &target_st->st_blocks); |
| 3256 |
put_user(st.st_atime, &target_st->target_st_atime); |
| 3257 |
put_user(st.st_mtime, &target_st->target_st_mtime); |
| 3258 |
put_user(st.st_ctime, &target_st->target_st_ctime); |
| 3259 |
unlock_user_struct(target_st, arg2, 0);
|
| 3260 |
} else
|
| 3261 |
#endif
|
| 3262 |
{
|
| 3263 |
struct target_stat64 *target_st;
|
| 3264 |
lock_user_struct(target_st, arg2, 1);
|
| 3265 |
memset(target_st, 0, sizeof(struct target_stat64)); |
| 3266 |
/* ??? put_user is probably wrong. */
|
| 3267 |
put_user(st.st_dev, &target_st->st_dev); |
| 3268 |
put_user(st.st_ino, &target_st->st_ino); |
| 3269 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
| 3270 |
put_user(st.st_ino, &target_st->__st_ino); |
| 3271 |
#endif
|
| 3272 |
put_user(st.st_mode, &target_st->st_mode); |
| 3273 |
put_user(st.st_nlink, &target_st->st_nlink); |
| 3274 |
put_user(st.st_uid, &target_st->st_uid); |
| 3275 |
put_user(st.st_gid, &target_st->st_gid); |
| 3276 |
put_user(st.st_rdev, &target_st->st_rdev); |
| 3277 |
/* XXX: better use of kernel struct */
|
| 3278 |
put_user(st.st_size, &target_st->st_size); |
| 3279 |
put_user(st.st_blksize, &target_st->st_blksize); |
| 3280 |
put_user(st.st_blocks, &target_st->st_blocks); |
| 3281 |
put_user(st.st_atime, &target_st->target_st_atime); |
| 3282 |
put_user(st.st_mtime, &target_st->target_st_mtime); |
| 3283 |
put_user(st.st_ctime, &target_st->target_st_ctime); |
| 3284 |
unlock_user_struct(target_st, arg2, 0);
|
| 3285 |
} |
| 3286 |
} |
| 3287 |
} |
| 3288 |
break;
|
| 3289 |
#endif
|
| 3290 |
#ifdef USE_UID16
|
| 3291 |
case TARGET_NR_lchown:
|
| 3292 |
p = lock_user_string(arg1); |
| 3293 |
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
| 3294 |
unlock_user(p, arg1, 0);
|
| 3295 |
break;
|
| 3296 |
case TARGET_NR_getuid:
|
| 3297 |
ret = get_errno(high2lowuid(getuid())); |
| 3298 |
break;
|
| 3299 |
case TARGET_NR_getgid:
|
| 3300 |
ret = get_errno(high2lowgid(getgid())); |
| 3301 |
break;
|
| 3302 |
case TARGET_NR_geteuid:
|
| 3303 |
ret = get_errno(high2lowuid(geteuid())); |
| 3304 |
break;
|
| 3305 |
case TARGET_NR_getegid:
|
| 3306 |
ret = get_errno(high2lowgid(getegid())); |
| 3307 |
break;
|
| 3308 |
case TARGET_NR_setreuid:
|
| 3309 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
| 3310 |
break;
|
| 3311 |
case TARGET_NR_setregid:
|
| 3312 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
| 3313 |
break;
|
| 3314 |
case TARGET_NR_getgroups:
|
| 3315 |
{
|
| 3316 |
int gidsetsize = arg1;
|
| 3317 |
uint16_t *target_grouplist; |
| 3318 |
gid_t *grouplist; |
| 3319 |
int i;
|
| 3320 |
|
| 3321 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 3322 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
| 3323 |
if (!is_error(ret)) {
|
| 3324 |
target_grouplist = lock_user(arg2, gidsetsize * 2, 0); |
| 3325 |
for(i = 0;i < gidsetsize; i++) |
| 3326 |
target_grouplist[i] = tswap16(grouplist[i]); |
| 3327 |
unlock_user(target_grouplist, arg2, gidsetsize * 2);
|
| 3328 |
} |
| 3329 |
} |
| 3330 |
break;
|
| 3331 |
case TARGET_NR_setgroups:
|
| 3332 |
{
|
| 3333 |
int gidsetsize = arg1;
|
| 3334 |
uint16_t *target_grouplist; |
| 3335 |
gid_t *grouplist; |
| 3336 |
int i;
|
| 3337 |
|
| 3338 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 3339 |
target_grouplist = lock_user(arg2, gidsetsize * 2, 1); |
| 3340 |
for(i = 0;i < gidsetsize; i++) |
| 3341 |
grouplist[i] = tswap16(target_grouplist[i]); |
| 3342 |
unlock_user(target_grouplist, arg2, 0);
|
| 3343 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
| 3344 |
} |
| 3345 |
break;
|
| 3346 |
case TARGET_NR_fchown:
|
| 3347 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
| 3348 |
break;
|
| 3349 |
#ifdef TARGET_NR_setresuid
|
| 3350 |
case TARGET_NR_setresuid:
|
| 3351 |
ret = get_errno(setresuid(low2highuid(arg1), |
| 3352 |
low2highuid(arg2), |
| 3353 |
low2highuid(arg3))); |
| 3354 |
break;
|
| 3355 |
#endif
|
| 3356 |
#ifdef TARGET_NR_getresuid
|
| 3357 |
case TARGET_NR_getresuid:
|
| 3358 |
{
|
| 3359 |
uid_t ruid, euid, suid; |
| 3360 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| 3361 |
if (!is_error(ret)) {
|
| 3362 |
tput16(arg1, tswap16(high2lowuid(ruid))); |
| 3363 |
tput16(arg2, tswap16(high2lowuid(euid))); |
| 3364 |
tput16(arg3, tswap16(high2lowuid(suid))); |
| 3365 |
} |
| 3366 |
} |
| 3367 |
break;
|
| 3368 |
#endif
|
| 3369 |
#ifdef TARGET_NR_getresgid
|
| 3370 |
case TARGET_NR_setresgid:
|
| 3371 |
ret = get_errno(setresgid(low2highgid(arg1), |
| 3372 |
low2highgid(arg2), |
| 3373 |
low2highgid(arg3))); |
| 3374 |
break;
|
| 3375 |
#endif
|
| 3376 |
#ifdef TARGET_NR_getresgid
|
| 3377 |
case TARGET_NR_getresgid:
|
| 3378 |
{
|
| 3379 |
gid_t rgid, egid, sgid; |
| 3380 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| 3381 |
if (!is_error(ret)) {
|
| 3382 |
tput16(arg1, tswap16(high2lowgid(rgid))); |
| 3383 |
tput16(arg2, tswap16(high2lowgid(egid))); |
| 3384 |
tput16(arg3, tswap16(high2lowgid(sgid))); |
| 3385 |
} |
| 3386 |
} |
| 3387 |
break;
|
| 3388 |
#endif
|
| 3389 |
case TARGET_NR_chown:
|
| 3390 |
p = lock_user_string(arg1); |
| 3391 |
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
| 3392 |
unlock_user(p, arg1, 0);
|
| 3393 |
break;
|
| 3394 |
case TARGET_NR_setuid:
|
| 3395 |
ret = get_errno(setuid(low2highuid(arg1))); |
| 3396 |
break;
|
| 3397 |
case TARGET_NR_setgid:
|
| 3398 |
ret = get_errno(setgid(low2highgid(arg1))); |
| 3399 |
break;
|
| 3400 |
case TARGET_NR_setfsuid:
|
| 3401 |
ret = get_errno(setfsuid(arg1)); |
| 3402 |
break;
|
| 3403 |
case TARGET_NR_setfsgid:
|
| 3404 |
ret = get_errno(setfsgid(arg1)); |
| 3405 |
break;
|
| 3406 |
#endif /* USE_UID16 */ |
| 3407 |
|
| 3408 |
#ifdef TARGET_NR_lchown32
|
| 3409 |
case TARGET_NR_lchown32:
|
| 3410 |
p = lock_user_string(arg1); |
| 3411 |
ret = get_errno(lchown(p, arg2, arg3)); |
| 3412 |
unlock_user(p, arg1, 0);
|
| 3413 |
break;
|
| 3414 |
#endif
|
| 3415 |
#ifdef TARGET_NR_getuid32
|
| 3416 |
case TARGET_NR_getuid32:
|
| 3417 |
ret = get_errno(getuid()); |
| 3418 |
break;
|
| 3419 |
#endif
|
| 3420 |
#ifdef TARGET_NR_getgid32
|
| 3421 |
case TARGET_NR_getgid32:
|
| 3422 |
ret = get_errno(getgid()); |
| 3423 |
break;
|
| 3424 |
#endif
|
| 3425 |
#ifdef TARGET_NR_geteuid32
|
| 3426 |
case TARGET_NR_geteuid32:
|
| 3427 |
ret = get_errno(geteuid()); |
| 3428 |
break;
|
| 3429 |
#endif
|
| 3430 |
#ifdef TARGET_NR_getegid32
|
| 3431 |
case TARGET_NR_getegid32:
|
| 3432 |
ret = get_errno(getegid()); |
| 3433 |
break;
|
| 3434 |
#endif
|
| 3435 |
#ifdef TARGET_NR_setreuid32
|
| 3436 |
case TARGET_NR_setreuid32:
|
| 3437 |
ret = get_errno(setreuid(arg1, arg2)); |
| 3438 |
break;
|
| 3439 |
#endif
|
| 3440 |
#ifdef TARGET_NR_setregid32
|
| 3441 |
case TARGET_NR_setregid32:
|
| 3442 |
ret = get_errno(setregid(arg1, arg2)); |
| 3443 |
break;
|
| 3444 |
#endif
|
| 3445 |
#ifdef TARGET_NR_getgroups32
|
| 3446 |
case TARGET_NR_getgroups32:
|
| 3447 |
{
|
| 3448 |
int gidsetsize = arg1;
|
| 3449 |
uint32_t *target_grouplist; |
| 3450 |
gid_t *grouplist; |
| 3451 |
int i;
|
| 3452 |
|
| 3453 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 3454 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
| 3455 |
if (!is_error(ret)) {
|
| 3456 |
target_grouplist = lock_user(arg2, gidsetsize * 4, 0); |
| 3457 |
for(i = 0;i < gidsetsize; i++) |
| 3458 |
target_grouplist[i] = tswap32(grouplist[i]); |
| 3459 |
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
| 3460 |
} |
| 3461 |
} |
| 3462 |
break;
|
| 3463 |
#endif
|
| 3464 |
#ifdef TARGET_NR_setgroups32
|
| 3465 |
case TARGET_NR_setgroups32:
|
| 3466 |
{
|
| 3467 |
int gidsetsize = arg1;
|
| 3468 |
uint32_t *target_grouplist; |
| 3469 |
gid_t *grouplist; |
| 3470 |
int i;
|
| 3471 |
|
| 3472 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 3473 |
target_grouplist = lock_user(arg2, gidsetsize * 4, 1); |
| 3474 |
for(i = 0;i < gidsetsize; i++) |
| 3475 |
grouplist[i] = tswap32(target_grouplist[i]); |
| 3476 |
unlock_user(target_grouplist, arg2, 0);
|
| 3477 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
| 3478 |
} |
| 3479 |
break;
|
| 3480 |
#endif
|
| 3481 |
#ifdef TARGET_NR_fchown32
|
| 3482 |
case TARGET_NR_fchown32:
|
| 3483 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
| 3484 |
break;
|
| 3485 |
#endif
|
| 3486 |
#ifdef TARGET_NR_setresuid32
|
| 3487 |
case TARGET_NR_setresuid32:
|
| 3488 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
| 3489 |
break;
|
| 3490 |
#endif
|
| 3491 |
#ifdef TARGET_NR_getresuid32
|
| 3492 |
case TARGET_NR_getresuid32:
|
| 3493 |
{
|
| 3494 |
uid_t ruid, euid, suid; |
| 3495 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| 3496 |
if (!is_error(ret)) {
|
| 3497 |
tput32(arg1, tswap32(ruid)); |
| 3498 |
tput32(arg2, tswap32(euid)); |
| 3499 |
tput32(arg3, tswap32(suid)); |
| 3500 |
} |
| 3501 |
} |
| 3502 |
break;
|
| 3503 |
#endif
|
| 3504 |
#ifdef TARGET_NR_setresgid32
|
| 3505 |
case TARGET_NR_setresgid32:
|
| 3506 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
| 3507 |
break;
|
| 3508 |
#endif
|
| 3509 |
#ifdef TARGET_NR_getresgid32
|
| 3510 |
case TARGET_NR_getresgid32:
|
| 3511 |
{
|
| 3512 |
gid_t rgid, egid, sgid; |
| 3513 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| 3514 |
if (!is_error(ret)) {
|
| 3515 |
tput32(arg1, tswap32(rgid)); |
| 3516 |
tput32(arg2, tswap32(egid)); |
| 3517 |
tput32(arg3, tswap32(sgid)); |
| 3518 |
} |
| 3519 |
} |
| 3520 |
break;
|
| 3521 |
#endif
|
| 3522 |
#ifdef TARGET_NR_chown32
|
| 3523 |
case TARGET_NR_chown32:
|
| 3524 |
p = lock_user_string(arg1); |
| 3525 |
ret = get_errno(chown(p, arg2, arg3)); |
| 3526 |
unlock_user(p, arg1, 0);
|
| 3527 |
break;
|
| 3528 |
#endif
|
| 3529 |
#ifdef TARGET_NR_setuid32
|
| 3530 |
case TARGET_NR_setuid32:
|
| 3531 |
ret = get_errno(setuid(arg1)); |
| 3532 |
break;
|
| 3533 |
#endif
|
| 3534 |
#ifdef TARGET_NR_setgid32
|
| 3535 |
case TARGET_NR_setgid32:
|
| 3536 |
ret = get_errno(setgid(arg1)); |
| 3537 |
break;
|
| 3538 |
#endif
|
| 3539 |
#ifdef TARGET_NR_setfsuid32
|
| 3540 |
case TARGET_NR_setfsuid32:
|
| 3541 |
ret = get_errno(setfsuid(arg1)); |
| 3542 |
break;
|
| 3543 |
#endif
|
| 3544 |
#ifdef TARGET_NR_setfsgid32
|
| 3545 |
case TARGET_NR_setfsgid32:
|
| 3546 |
ret = get_errno(setfsgid(arg1)); |
| 3547 |
break;
|
| 3548 |
#endif
|
| 3549 |
|
| 3550 |
case TARGET_NR_pivot_root:
|
| 3551 |
goto unimplemented;
|
| 3552 |
#ifdef TARGET_NR_mincore
|
| 3553 |
case TARGET_NR_mincore:
|
| 3554 |
goto unimplemented;
|
| 3555 |
#endif
|
| 3556 |
#ifdef TARGET_NR_madvise
|
| 3557 |
case TARGET_NR_madvise:
|
| 3558 |
/* A straight passthrough may not be safe because qemu sometimes
|
| 3559 |
turns private flie-backed mappings into anonymous mappings.
|
| 3560 |
This will break MADV_DONTNEED.
|
| 3561 |
This is a hint, so ignoring and returning success is ok. */
|
| 3562 |
ret = get_errno(0);
|
| 3563 |
break;
|
| 3564 |
#endif
|
| 3565 |
#if TARGET_LONG_BITS == 32 |
| 3566 |
case TARGET_NR_fcntl64:
|
| 3567 |
{
|
| 3568 |
struct flock64 fl;
|
| 3569 |
struct target_flock64 *target_fl;
|
| 3570 |
#ifdef TARGET_ARM
|
| 3571 |
struct target_eabi_flock64 *target_efl;
|
| 3572 |
#endif
|
| 3573 |
|
| 3574 |
switch(arg2) {
|
| 3575 |
case F_GETLK64:
|
| 3576 |
ret = get_errno(fcntl(arg1, arg2, &fl)); |
| 3577 |
if (ret == 0) { |
| 3578 |
#ifdef TARGET_ARM
|
| 3579 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 3580 |
lock_user_struct(target_efl, arg3, 0);
|
| 3581 |
target_efl->l_type = tswap16(fl.l_type); |
| 3582 |
target_efl->l_whence = tswap16(fl.l_whence); |
| 3583 |
target_efl->l_start = tswap64(fl.l_start); |
| 3584 |
target_efl->l_len = tswap64(fl.l_len); |
| 3585 |
target_efl->l_pid = tswapl(fl.l_pid); |
| 3586 |
unlock_user_struct(target_efl, arg3, 1);
|
| 3587 |
} else
|
| 3588 |
#endif
|
| 3589 |
{
|
| 3590 |
lock_user_struct(target_fl, arg3, 0);
|
| 3591 |
target_fl->l_type = tswap16(fl.l_type); |
| 3592 |
target_fl->l_whence = tswap16(fl.l_whence); |
| 3593 |
target_fl->l_start = tswap64(fl.l_start); |
| 3594 |
target_fl->l_len = tswap64(fl.l_len); |
| 3595 |
target_fl->l_pid = tswapl(fl.l_pid); |
| 3596 |
unlock_user_struct(target_fl, arg3, 1);
|
| 3597 |
} |
| 3598 |
} |
| 3599 |
break;
|
| 3600 |
|
| 3601 |
case F_SETLK64:
|
| 3602 |
case F_SETLKW64:
|
| 3603 |
#ifdef TARGET_ARM
|
| 3604 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 3605 |
lock_user_struct(target_efl, arg3, 1);
|
| 3606 |
fl.l_type = tswap16(target_efl->l_type); |
| 3607 |
fl.l_whence = tswap16(target_efl->l_whence); |
| 3608 |
fl.l_start = tswap64(target_efl->l_start); |
| 3609 |
fl.l_len = tswap64(target_efl->l_len); |
| 3610 |
fl.l_pid = tswapl(target_efl->l_pid); |
| 3611 |
unlock_user_struct(target_efl, arg3, 0);
|
| 3612 |
} else
|
| 3613 |
#endif
|
| 3614 |
{
|
| 3615 |
lock_user_struct(target_fl, arg3, 1);
|
| 3616 |
fl.l_type = tswap16(target_fl->l_type); |
| 3617 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 3618 |
fl.l_start = tswap64(target_fl->l_start); |
| 3619 |
fl.l_len = tswap64(target_fl->l_len); |
| 3620 |
fl.l_pid = tswapl(target_fl->l_pid); |
| 3621 |
unlock_user_struct(target_fl, arg3, 0);
|
| 3622 |
} |
| 3623 |
ret = get_errno(fcntl(arg1, arg2, &fl)); |
| 3624 |
break;
|
| 3625 |
default:
|
| 3626 |
ret = get_errno(do_fcntl(arg1, arg2, arg3)); |
| 3627 |
break;
|
| 3628 |
} |
| 3629 |
break;
|
| 3630 |
} |
| 3631 |
#endif
|
| 3632 |
#ifdef TARGET_NR_security
|
| 3633 |
case TARGET_NR_security:
|
| 3634 |
goto unimplemented;
|
| 3635 |
#endif
|
| 3636 |
#ifdef TARGET_NR_getpagesize
|
| 3637 |
case TARGET_NR_getpagesize:
|
| 3638 |
ret = TARGET_PAGE_SIZE; |
| 3639 |
break;
|
| 3640 |
#endif
|
| 3641 |
case TARGET_NR_gettid:
|
| 3642 |
ret = get_errno(gettid()); |
| 3643 |
break;
|
| 3644 |
case TARGET_NR_readahead:
|
| 3645 |
goto unimplemented;
|
| 3646 |
#ifdef TARGET_NR_setxattr
|
| 3647 |
case TARGET_NR_setxattr:
|
| 3648 |
case TARGET_NR_lsetxattr:
|
| 3649 |
case TARGET_NR_fsetxattr:
|
| 3650 |
case TARGET_NR_getxattr:
|
| 3651 |
case TARGET_NR_lgetxattr:
|
| 3652 |
case TARGET_NR_fgetxattr:
|
| 3653 |
case TARGET_NR_listxattr:
|
| 3654 |
case TARGET_NR_llistxattr:
|
| 3655 |
case TARGET_NR_flistxattr:
|
| 3656 |
case TARGET_NR_removexattr:
|
| 3657 |
case TARGET_NR_lremovexattr:
|
| 3658 |
case TARGET_NR_fremovexattr:
|
| 3659 |
goto unimplemented_nowarn;
|
| 3660 |
#endif
|
| 3661 |
#ifdef TARGET_NR_set_thread_area
|
| 3662 |
case TARGET_NR_set_thread_area:
|
| 3663 |
case TARGET_NR_get_thread_area:
|
| 3664 |
goto unimplemented_nowarn;
|
| 3665 |
#endif
|
| 3666 |
default:
|
| 3667 |
unimplemented:
|
| 3668 |
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
| 3669 |
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area)
|
| 3670 |
unimplemented_nowarn:
|
| 3671 |
#endif
|
| 3672 |
ret = -ENOSYS; |
| 3673 |
break;
|
| 3674 |
} |
| 3675 |
fail:
|
| 3676 |
#ifdef DEBUG
|
| 3677 |
gemu_log(" = %ld\n", ret);
|
| 3678 |
#endif
|
| 3679 |
return ret;
|
| 3680 |
} |
| 3681 |
|