 4f2ac23784
			
		
	
	
		4f2ac23784
		
	
	
	
	
		
			
			git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@762 c046a42c-6fe2-441c-8c8c-71466251a162
		
			
				
	
	
		
			3001 lines
		
	
	
		
			94 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			3001 lines
		
	
	
		
			94 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  *  Linux syscalls
 | |
|  * 
 | |
|  *  Copyright (c) 2003 Fabrice Bellard
 | |
|  *
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|  *  This program is free software; you can redistribute it and/or modify
 | |
|  *  it under the terms of the GNU General Public License as published by
 | |
|  *  the Free Software Foundation; either version 2 of the License, or
 | |
|  *  (at your option) any later version.
 | |
|  *
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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
 | |
|  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|  *  GNU General Public License for more details.
 | |
|  *
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|  *  You should have received a copy of the GNU General Public License
 | |
|  *  along with this program; if not, write to the Free Software
 | |
|  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 | |
|  */
 | |
| #include <stdlib.h>
 | |
| #include <stdio.h>
 | |
| #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>
 | |
| #include <time.h>
 | |
| #include <sys/types.h>
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| #include <sys/wait.h>
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| #include <sys/time.h>
 | |
| #include <sys/stat.h>
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| #include <sys/mount.h>
 | |
| #include <sys/resource.h>
 | |
| #include <sys/mman.h>
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| #include <sys/swap.h>
 | |
| #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>
 | |
| #include <sys/shm.h>
 | |
| #include <utime.h>
 | |
| //#include <sys/user.h>
 | |
| #include <netinet/ip.h>
 | |
| #include <netinet/tcp.h>
 | |
| 
 | |
| #define termios host_termios
 | |
| #define winsize host_winsize
 | |
| #define termio host_termio
 | |
| #define sgttyb host_sgttyb /* same as target */
 | |
| #define tchars host_tchars /* same as target */
 | |
| #define ltchars host_ltchars /* same as target */
 | |
| 
 | |
| #include <linux/termios.h>
 | |
| #include <linux/unistd.h>
 | |
| #include <linux/utsname.h>
 | |
| #include <linux/cdrom.h>
 | |
| #include <linux/hdreg.h>
 | |
| #include <linux/soundcard.h>
 | |
| #include <linux/dirent.h>
 | |
| #include <linux/kd.h>
 | |
| 
 | |
| #include "qemu.h"
 | |
| 
 | |
| //#define DEBUG
 | |
| 
 | |
| #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
 | |
| /* 16 bit uid wrappers emulation */
 | |
| #define USE_UID16
 | |
| #endif
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| 
 | |
| //#include <linux/msdos_fs.h>
 | |
| #define	VFAT_IOCTL_READDIR_BOTH		_IOR('r', 1, struct dirent [2])
 | |
| #define	VFAT_IOCTL_READDIR_SHORT	_IOR('r', 2, struct dirent [2])
 | |
| 
 | |
| 
 | |
| #if defined(__powerpc__)
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| #undef __syscall_nr
 | |
| #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
 | |
|    the clobber list */
 | |
| /* On powerpc a system call basically clobbers the same registers like a
 | |
|  * function call, with the exception of LR (which is needed for the
 | |
|  * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
 | |
|  * an error return status).
 | |
|  */
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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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| 		register unsigned long __sc_0  __asm__ ("r0");		\
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| 		register unsigned long __sc_3  __asm__ ("r3");		\
 | |
| 		register unsigned long __sc_4  __asm__ ("r4");		\
 | |
| 		register unsigned long __sc_5  __asm__ ("r5");		\
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| 		register unsigned long __sc_6  __asm__ ("r6");		\
 | |
| 		register unsigned long __sc_7  __asm__ ("r7");		\
 | |
| 									\
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| 		__sc_loadargs_##nr(name, args);				\
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| 		__asm__ __volatile__					\
 | |
| 			("sc           \n\t"				\
 | |
| 			 "mfcr %0      "				\
 | |
| 			: "=&r" (__sc_0),				\
 | |
| 			  "=&r" (__sc_3),  "=&r" (__sc_4),		\
 | |
| 			  "=&r" (__sc_5),  "=&r" (__sc_6),		\
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| 			  "=&r" (__sc_7)				\
 | |
| 			: __sc_asm_input_##nr				\
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| 			: "cr0", "ctr", "memory",			\
 | |
| 			  "r8", "r9", "r10","r11", "r12");		\
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| 		__sc_ret = __sc_3;					\
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| 		__sc_err = __sc_0;					\
 | |
| 	}								\
 | |
| 	if (__sc_err & 0x10000000)					\
 | |
| 	{								\
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| 		errno = __sc_ret;					\
 | |
| 		__sc_ret = -1;						\
 | |
| 	}								\
 | |
| 	return (type) __sc_ret
 | |
| 
 | |
| #define __sc_loadargs_0(name, dummy...)					\
 | |
| 	__sc_0 = __NR_##name
 | |
| #define __sc_loadargs_1(name, arg1)					\
 | |
| 	__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)
 | |
| #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4)			\
 | |
| 	__sc_loadargs_3(name, arg1, arg2, arg3);			\
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| 	__sc_6 = (unsigned long) (arg4)
 | |
| #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5)		\
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| 	__sc_loadargs_4(name, arg1, arg2, arg3, arg4);			\
 | |
| 	__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)
 | |
| #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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| 
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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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| 
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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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| 
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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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| 
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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_statfs __NR_statfs
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| #define __NR_sys_fstatfs __NR_fstatfs
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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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| 
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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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| 
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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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| _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
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| _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
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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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| 
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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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| 
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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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| 
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| static inline int is_error(long ret)
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| {
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|     return (unsigned long)ret >= (unsigned long)(-4096);
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| }
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| 
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| static char *target_brk;
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| static char *target_original_brk;
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| 
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| void target_set_brk(char *new_brk)
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| {
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|     target_brk = new_brk;
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|     target_original_brk = new_brk;
 | |
| }
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| 
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| static long do_brk(char *new_brk)
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| {
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|     char *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 (long)target_brk;
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|     if (new_brk < target_original_brk)
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|         return -ENOMEM;
 | |
|     
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|     brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
 | |
| 
 | |
|     /* If the new brk is less than this, set it and we're done... */
 | |
|     if (new_brk < brk_page) {
 | |
| 	target_brk = new_brk;
 | |
|     	return (long)target_brk;
 | |
|     }
 | |
| 
 | |
|     /* We need to allocate more memory after the brk... */
 | |
|     new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
 | |
|     mapped_addr = get_errno(target_mmap((unsigned long)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));
 | |
|     if (is_error(mapped_addr)) {
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| 	return mapped_addr;
 | |
|     } else {
 | |
| 	target_brk = new_brk;
 | |
|     	return (long)target_brk;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static inline fd_set *target_to_host_fds(fd_set *fds, 
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|                                          target_long *target_fds, int n)
 | |
| {
 | |
| #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
 | |
|     return (fd_set *)target_fds;
 | |
| #else
 | |
|     int i, b;
 | |
|     if (target_fds) {
 | |
|         FD_ZERO(fds);
 | |
|         for(i = 0;i < n; i++) {
 | |
|             b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
 | |
|                  (i & (TARGET_LONG_BITS - 1))) & 1;
 | |
|             if (b)
 | |
|                 FD_SET(i, fds);
 | |
|         }
 | |
|         return fds;
 | |
|     } else {
 | |
|         return NULL;
 | |
|     }
 | |
| #endif
 | |
| }
 | |
| 
 | |
| static inline void host_to_target_fds(target_long *target_fds, 
 | |
|                                       fd_set *fds, int n)
 | |
| {
 | |
| #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
 | |
|     /* nothing to do */
 | |
| #else
 | |
|     int i, nw, j, k;
 | |
|     target_long v;
 | |
| 
 | |
|     if (target_fds) {
 | |
|         nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
 | |
|         k = 0;
 | |
|         for(i = 0;i < nw; i++) {
 | |
|             v = 0;
 | |
|             for(j = 0; j < TARGET_LONG_BITS; j++) {
 | |
|                 v |= ((FD_ISSET(k, fds) != 0) << j);
 | |
|                 k++;
 | |
|             }
 | |
|             target_fds[i] = tswapl(v);
 | |
|         }
 | |
|     }
 | |
| #endif
 | |
| }
 | |
| 
 | |
| #if defined(__alpha__)
 | |
| #define HOST_HZ 1024
 | |
| #else
 | |
| #define HOST_HZ 100
 | |
| #endif
 | |
| 
 | |
| static inline long host_to_target_clock_t(long ticks)
 | |
| {
 | |
| #if HOST_HZ == TARGET_HZ
 | |
|     return ticks;
 | |
| #else
 | |
|     return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
 | |
| #endif
 | |
| }
 | |
| 
 | |
| static inline void host_to_target_rusage(struct target_rusage *target_rusage, 
 | |
|                                          const struct rusage *rusage)
 | |
| {
 | |
|     target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
 | |
|     target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
 | |
|     target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
 | |
|     target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
 | |
|     target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
 | |
|     target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
 | |
|     target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
 | |
|     target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
 | |
|     target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
 | |
|     target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
 | |
|     target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
 | |
|     target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
 | |
|     target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
 | |
|     target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
 | |
|     target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
 | |
|     target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
 | |
|     target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
 | |
|     target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
 | |
| }
 | |
| 
 | |
| static inline void target_to_host_timeval(struct timeval *tv, 
 | |
|                                           const struct target_timeval *target_tv)
 | |
| {
 | |
|     tv->tv_sec = tswapl(target_tv->tv_sec);
 | |
|     tv->tv_usec = tswapl(target_tv->tv_usec);
 | |
| }
 | |
| 
 | |
| static inline void host_to_target_timeval(struct target_timeval *target_tv, 
 | |
|                                           const struct timeval *tv)
 | |
| {
 | |
|     target_tv->tv_sec = tswapl(tv->tv_sec);
 | |
|     target_tv->tv_usec = tswapl(tv->tv_usec);
 | |
| }
 | |
| 
 | |
| 
 | |
| static long do_select(long n, 
 | |
|                       target_long *target_rfds, target_long *target_wfds, 
 | |
|                       target_long *target_efds, struct target_timeval *target_tv)
 | |
| {
 | |
|     fd_set rfds, wfds, efds;
 | |
|     fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
 | |
|     struct timeval tv, *tv_ptr;
 | |
|     long ret;
 | |
| 
 | |
|     rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
 | |
|     wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
 | |
|     efds_ptr = target_to_host_fds(&efds, target_efds, n);
 | |
|             
 | |
|     if (target_tv) {
 | |
|         target_to_host_timeval(&tv, target_tv);
 | |
|         tv_ptr = &tv;
 | |
|     } else {
 | |
|         tv_ptr = NULL;
 | |
|     }
 | |
|     ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
 | |
|     if (!is_error(ret)) {
 | |
|         host_to_target_fds(target_rfds, rfds_ptr, n);
 | |
|         host_to_target_fds(target_wfds, wfds_ptr, n);
 | |
|         host_to_target_fds(target_efds, efds_ptr, n);
 | |
| 
 | |
|         if (target_tv) {
 | |
|             host_to_target_timeval(target_tv, &tv);
 | |
|         }
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| static inline void target_to_host_sockaddr(struct sockaddr *addr,
 | |
|                                            struct target_sockaddr *target_addr,
 | |
|                                            socklen_t len)
 | |
| {
 | |
|     memcpy(addr, target_addr, len);
 | |
|     addr->sa_family = tswap16(target_addr->sa_family);
 | |
| }
 | |
| 
 | |
| static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
 | |
|                                            struct sockaddr *addr,
 | |
|                                            socklen_t len)
 | |
| {
 | |
|     memcpy(target_addr, addr, len);
 | |
|     target_addr->sa_family = tswap16(addr->sa_family);
 | |
| }
 | |
| 
 | |
| static inline void target_to_host_cmsg(struct msghdr *msgh,
 | |
|                                        struct target_msghdr *target_msgh)
 | |
| {
 | |
|     struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
 | |
|     struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
 | |
|     socklen_t space = 0;
 | |
| 
 | |
|     while (cmsg && target_cmsg) {
 | |
|         void *data = CMSG_DATA(cmsg);
 | |
|         void *target_data = TARGET_CMSG_DATA(target_cmsg);
 | |
| 
 | |
|         int len = tswapl(target_cmsg->cmsg_len) 
 | |
|                   - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
 | |
| 
 | |
|         space += CMSG_SPACE(len);
 | |
|         if (space > msgh->msg_controllen) {
 | |
|             space -= CMSG_SPACE(len);
 | |
|             gemu_log("Host cmsg overflow");
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|         cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
 | |
|         cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
 | |
|         cmsg->cmsg_len = CMSG_LEN(len);
 | |
| 
 | |
|         if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
 | |
|             gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
 | |
|             memcpy(data, target_data, len);
 | |
|         } else {
 | |
|             int *fd = (int *)data;
 | |
|             int *target_fd = (int *)target_data;
 | |
|             int i, numfds = len / sizeof(int);
 | |
| 
 | |
|             for (i = 0; i < numfds; i++)
 | |
|                 fd[i] = tswap32(target_fd[i]);
 | |
|         }
 | |
| 
 | |
|         cmsg = CMSG_NXTHDR(msgh, cmsg);
 | |
|         target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
 | |
|     }
 | |
| 
 | |
|     msgh->msg_controllen = space;
 | |
| }
 | |
| 
 | |
| static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
 | |
|                                        struct msghdr *msgh)
 | |
| {
 | |
|     struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
 | |
|     struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
 | |
|     socklen_t space = 0;
 | |
| 
 | |
|     while (cmsg && target_cmsg) {
 | |
|         void *data = CMSG_DATA(cmsg);
 | |
|         void *target_data = TARGET_CMSG_DATA(target_cmsg);
 | |
| 
 | |
|         int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
 | |
| 
 | |
|         space += TARGET_CMSG_SPACE(len);
 | |
|         if (space > tswapl(target_msgh->msg_controllen)) {
 | |
|             space -= TARGET_CMSG_SPACE(len);
 | |
|             gemu_log("Target cmsg overflow");
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|         target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
 | |
|         target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
 | |
|         target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
 | |
| 
 | |
|         if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
 | |
|             gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
 | |
|             memcpy(target_data, data, len);
 | |
|         } else {
 | |
|             int *fd = (int *)data;
 | |
|             int *target_fd = (int *)target_data;
 | |
|             int i, numfds = len / sizeof(int);
 | |
| 
 | |
|             for (i = 0; i < numfds; i++)
 | |
|                 target_fd[i] = tswap32(fd[i]);
 | |
|         }
 | |
| 
 | |
|         cmsg = CMSG_NXTHDR(msgh, cmsg);
 | |
|         target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
 | |
|     }
 | |
| 
 | |
|     msgh->msg_controllen = tswapl(space);
 | |
| }
 | |
| 
 | |
| static long do_setsockopt(int sockfd, int level, int optname, 
 | |
|                           void *optval, socklen_t optlen)
 | |
| {
 | |
|     int val, ret;
 | |
|             
 | |
|     switch(level) {
 | |
|     case SOL_TCP:
 | |
|         /* TCP options all take an 'int' value.  */
 | |
|         if (optlen < sizeof(uint32_t))
 | |
|             return -EINVAL;
 | |
|         
 | |
|         if (get_user(val, (uint32_t *)optval))
 | |
|             return -EFAULT;
 | |
|         ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
 | |
|         break;
 | |
|     case SOL_IP:
 | |
|         switch(optname) {
 | |
|         case IP_HDRINCL:
 | |
|             val = 0;
 | |
|             if (optlen >= sizeof(uint32_t)) {
 | |
|                 if (get_user(val, (uint32_t *)optval))
 | |
|                     return -EFAULT;
 | |
|             } else if (optlen >= 1) {
 | |
|                 if (get_user(val, (uint8_t *)optval))
 | |
|                     return -EFAULT;
 | |
|             }
 | |
|             ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
 | |
|             break;
 | |
|         default:
 | |
|             goto unimplemented;
 | |
|         }
 | |
|         break;
 | |
|     case SOL_SOCKET:
 | |
|         switch (optname) {
 | |
|             /* Options with 'int' argument.  */
 | |
|         case SO_DEBUG:
 | |
|         case SO_REUSEADDR:
 | |
|         case SO_TYPE:
 | |
|         case SO_ERROR:
 | |
|         case SO_DONTROUTE:
 | |
|         case SO_BROADCAST:
 | |
|         case SO_SNDBUF:
 | |
|         case SO_RCVBUF:
 | |
|         case SO_KEEPALIVE:
 | |
|         case SO_OOBINLINE:
 | |
|         case SO_NO_CHECK:
 | |
|         case SO_PRIORITY:
 | |
|         case SO_BSDCOMPAT:
 | |
|         case SO_PASSCRED:
 | |
|         case SO_TIMESTAMP:
 | |
|         case SO_RCVLOWAT:
 | |
|         case SO_RCVTIMEO:
 | |
|         case SO_SNDTIMEO:
 | |
|             if (optlen < sizeof(uint32_t))
 | |
|                 return -EINVAL;
 | |
|             if (get_user(val, (uint32_t *)optval))
 | |
|                 return -EFAULT;
 | |
|             ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
 | |
|             break;
 | |
|         default:
 | |
|             goto unimplemented;
 | |
|         }
 | |
|         break;
 | |
|     default:
 | |
|     unimplemented:
 | |
|         gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
 | |
|         ret = -ENOSYS;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| static long do_getsockopt(int sockfd, int level, int optname, 
 | |
|                           void *optval, socklen_t *optlen)
 | |
| {
 | |
|     int len, lv, val, ret;
 | |
| 
 | |
|     switch(level) {
 | |
|     case SOL_SOCKET:
 | |
| 	switch (optname) {
 | |
| 	case SO_LINGER:
 | |
| 	case SO_RCVTIMEO:
 | |
| 	case SO_SNDTIMEO:
 | |
| 	case SO_PEERCRED:
 | |
| 	case SO_PEERNAME:
 | |
| 	    /* These don't just return a single integer */
 | |
| 	    goto unimplemented;
 | |
|         default:
 | |
|             if (get_user(len, optlen))
 | |
|                 return -EFAULT;
 | |
|             if (len < 0)
 | |
|                 return -EINVAL;
 | |
|             lv = sizeof(int);
 | |
|             ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
 | |
|             if (ret < 0)
 | |
|                 return ret;
 | |
|             val = tswap32(val);
 | |
|             if (len > lv)
 | |
|                 len = lv;
 | |
|             if (copy_to_user(optval, &val, len))
 | |
|                 return -EFAULT;
 | |
|             if (put_user(len, optlen))
 | |
|                 return -EFAULT;
 | |
|             break;
 | |
|         }
 | |
|         break;
 | |
|     default:
 | |
|     unimplemented:
 | |
|         gemu_log("getsockopt level=%d optname=%d not yet supported\n",
 | |
|                  level, optname);
 | |
|         ret = -ENOSYS;
 | |
|         break;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| static long do_socketcall(int num, int32_t *vptr)
 | |
| {
 | |
|     long ret;
 | |
| 
 | |
|     switch(num) {
 | |
|     case SOCKOP_socket:
 | |
| 	{
 | |
|             int domain = tswap32(vptr[0]);
 | |
|             int type = tswap32(vptr[1]);
 | |
|             int protocol = tswap32(vptr[2]);
 | |
| 
 | |
|             ret = get_errno(socket(domain, type, protocol));
 | |
| 	}
 | |
|         break;
 | |
|     case SOCKOP_bind:
 | |
| 	{
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *target_addr = (void *)tswap32(vptr[1]);
 | |
|             socklen_t addrlen = tswap32(vptr[2]);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             target_to_host_sockaddr(addr, target_addr, addrlen);
 | |
|             ret = get_errno(bind(sockfd, addr, addrlen));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_connect:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *target_addr = (void *)tswap32(vptr[1]);
 | |
|             socklen_t addrlen = tswap32(vptr[2]);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             target_to_host_sockaddr(addr, target_addr, addrlen);
 | |
|             ret = get_errno(connect(sockfd, addr, addrlen));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_listen:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             int backlog = tswap32(vptr[1]);
 | |
| 
 | |
|             ret = get_errno(listen(sockfd, backlog));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_accept:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *target_addr = (void *)tswap32(vptr[1]);
 | |
|             uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
 | |
|             socklen_t addrlen = tswap32(*target_addrlen);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             ret = get_errno(accept(sockfd, addr, &addrlen));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_sockaddr(target_addr, addr, addrlen);
 | |
|                 *target_addrlen = tswap32(addrlen);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_getsockname:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *target_addr = (void *)tswap32(vptr[1]);
 | |
|             uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
 | |
|             socklen_t addrlen = tswap32(*target_addrlen);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             ret = get_errno(getsockname(sockfd, addr, &addrlen));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_sockaddr(target_addr, addr, addrlen);
 | |
|                 *target_addrlen = tswap32(addrlen);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_getpeername:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *target_addr = (void *)tswap32(vptr[1]);
 | |
|             uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
 | |
|             socklen_t addrlen = tswap32(*target_addrlen);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             ret = get_errno(getpeername(sockfd, addr, &addrlen));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_sockaddr(target_addr, addr, addrlen);
 | |
|                 *target_addrlen = tswap32(addrlen);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_socketpair:
 | |
|         {
 | |
|             int domain = tswap32(vptr[0]);
 | |
|             int type = tswap32(vptr[1]);
 | |
|             int protocol = tswap32(vptr[2]);
 | |
|             int32_t *target_tab = (void *)tswap32(vptr[3]);
 | |
|             int tab[2];
 | |
| 
 | |
|             ret = get_errno(socketpair(domain, type, protocol, tab));
 | |
|             if (!is_error(ret)) {
 | |
|                 target_tab[0] = tswap32(tab[0]);
 | |
|                 target_tab[1] = tswap32(tab[1]);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_send:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *msg = (void *)tswap32(vptr[1]);
 | |
|             size_t len = tswap32(vptr[2]);
 | |
|             int flags = tswap32(vptr[3]);
 | |
| 
 | |
|             ret = get_errno(send(sockfd, msg, len, flags));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_recv:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *msg = (void *)tswap32(vptr[1]);
 | |
|             size_t len = tswap32(vptr[2]);
 | |
|             int flags = tswap32(vptr[3]);
 | |
| 
 | |
|             ret = get_errno(recv(sockfd, msg, len, flags));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_sendto:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *msg = (void *)tswap32(vptr[1]);
 | |
|             size_t len = tswap32(vptr[2]);
 | |
|             int flags = tswap32(vptr[3]);
 | |
|             void *target_addr = (void *)tswap32(vptr[4]);
 | |
|             socklen_t addrlen = tswap32(vptr[5]);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             target_to_host_sockaddr(addr, target_addr, addrlen);
 | |
|             ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_recvfrom:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             void *msg = (void *)tswap32(vptr[1]);
 | |
|             size_t len = tswap32(vptr[2]);
 | |
|             int flags = tswap32(vptr[3]);
 | |
|             void *target_addr = (void *)tswap32(vptr[4]);
 | |
|             uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
 | |
|             socklen_t addrlen = tswap32(*target_addrlen);
 | |
|             void *addr = alloca(addrlen);
 | |
| 
 | |
|             ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_sockaddr(target_addr, addr, addrlen);
 | |
|                 *target_addrlen = tswap32(addrlen);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_shutdown:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             int how = tswap32(vptr[1]);
 | |
| 
 | |
|             ret = get_errno(shutdown(sockfd, how));
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_sendmsg:
 | |
|     case SOCKOP_recvmsg:
 | |
|         {
 | |
|             int fd;
 | |
|             struct target_msghdr *msgp;
 | |
|             struct msghdr msg;
 | |
|             int flags, count, i;
 | |
|             struct iovec *vec;
 | |
|             struct target_iovec *target_vec;
 | |
| 
 | |
|             msgp = (void *)tswap32(vptr[1]);
 | |
|             msg.msg_name = (void *)tswapl(msgp->msg_name);
 | |
|             msg.msg_namelen = tswapl(msgp->msg_namelen);
 | |
|             msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
 | |
|             msg.msg_control = alloca(msg.msg_controllen);
 | |
|             msg.msg_flags = tswap32(msgp->msg_flags);
 | |
| 
 | |
|             count = tswapl(msgp->msg_iovlen);
 | |
|             vec = alloca(count * sizeof(struct iovec));
 | |
|             target_vec = (void *)tswapl(msgp->msg_iov);
 | |
|             for(i = 0;i < count; i++) {
 | |
|                 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
 | |
|                 vec[i].iov_len = tswapl(target_vec[i].iov_len);
 | |
|             }
 | |
|             msg.msg_iovlen = count;
 | |
|             msg.msg_iov = vec;
 | |
| 
 | |
|             fd = tswap32(vptr[0]);
 | |
|             flags = tswap32(vptr[2]);
 | |
|             if (num == SOCKOP_sendmsg) {
 | |
|                 target_to_host_cmsg(&msg, msgp);
 | |
|                 ret = get_errno(sendmsg(fd, &msg, flags));
 | |
|             } else {
 | |
|                 ret = get_errno(recvmsg(fd, &msg, flags));
 | |
|                 if (!is_error(ret))
 | |
|                   host_to_target_cmsg(msgp, &msg);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_setsockopt:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             int level = tswap32(vptr[1]);
 | |
|             int optname = tswap32(vptr[2]);
 | |
|             void *optval = (void *)tswap32(vptr[3]);
 | |
|             socklen_t optlen = tswap32(vptr[4]);
 | |
| 
 | |
|             ret = do_setsockopt(sockfd, level, optname, optval, optlen);
 | |
|         }
 | |
|         break;
 | |
|     case SOCKOP_getsockopt:
 | |
|         {
 | |
|             int sockfd = tswap32(vptr[0]);
 | |
|             int level = tswap32(vptr[1]);
 | |
|             int optname = tswap32(vptr[2]);
 | |
|             void *optval = (void *)tswap32(vptr[3]);
 | |
|             uint32_t *poptlen = (void *)tswap32(vptr[4]);
 | |
| 
 | |
|             ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
 | |
|         }
 | |
|         break;
 | |
|     default:
 | |
|         gemu_log("Unsupported socketcall: %d\n", num);
 | |
|         ret = -ENOSYS;
 | |
|         break;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| 
 | |
| #define N_SHM_REGIONS	32
 | |
| 
 | |
| static struct shm_region {
 | |
|     uint32_t	start;
 | |
|     uint32_t	size;
 | |
| } shm_regions[N_SHM_REGIONS];
 | |
| 
 | |
| static long do_ipc(long call, long first, long second, long third,
 | |
| 		   long ptr, long fifth)
 | |
| {
 | |
|     int version;
 | |
|     long ret = 0;
 | |
|     unsigned long raddr;
 | |
|     struct shmid_ds shm_info;
 | |
|     int i;
 | |
| 
 | |
|     version = call >> 16;
 | |
|     call &= 0xffff;
 | |
| 
 | |
|     switch (call) {
 | |
|     case IPCOP_shmat:
 | |
| 	/* SHM_* flags are the same on all linux platforms */
 | |
| 	ret = get_errno((long) shmat(first, (void *) ptr, second));
 | |
|         if (is_error(ret))
 | |
|             break;
 | |
|         raddr = ret;
 | |
| 	/* find out the length of the shared memory segment */
 | |
|         
 | |
|         ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
 | |
|         if (is_error(ret)) {
 | |
|             /* can't get length, bail out */
 | |
|             shmdt((void *) raddr);
 | |
| 	    break;
 | |
| 	}
 | |
| 	page_set_flags(raddr, raddr + shm_info.shm_segsz,
 | |
| 		       PAGE_VALID | PAGE_READ |
 | |
| 		       ((second & SHM_RDONLY)? 0: PAGE_WRITE));
 | |
| 	for (i = 0; i < N_SHM_REGIONS; ++i) {
 | |
| 	    if (shm_regions[i].start == 0) {
 | |
| 		shm_regions[i].start = raddr;
 | |
| 		shm_regions[i].size = shm_info.shm_segsz;
 | |
|                 break;
 | |
| 	    }
 | |
| 	}
 | |
| 	if (put_user(raddr, (uint32_t *)third))
 | |
|             return -EFAULT;
 | |
|         ret = 0;
 | |
| 	break;
 | |
|     case IPCOP_shmdt:
 | |
| 	for (i = 0; i < N_SHM_REGIONS; ++i) {
 | |
| 	    if (shm_regions[i].start == ptr) {
 | |
| 		shm_regions[i].start = 0;
 | |
| 		page_set_flags(ptr, shm_regions[i].size, 0);
 | |
| 		break;
 | |
| 	    }
 | |
| 	}
 | |
| 	ret = get_errno(shmdt((void *) ptr));
 | |
| 	break;
 | |
| 
 | |
|     case IPCOP_shmget:
 | |
| 	/* IPC_* flag values are the same on all linux platforms */
 | |
| 	ret = get_errno(shmget(first, second, third));
 | |
| 	break;
 | |
| 
 | |
| 	/* IPC_* and SHM_* command values are the same on all linux platforms */
 | |
|     case IPCOP_shmctl:
 | |
|         switch(second) {
 | |
|         case IPC_RMID:
 | |
|         case SHM_LOCK:
 | |
|         case SHM_UNLOCK:
 | |
|             ret = get_errno(shmctl(first, second, NULL));
 | |
|             break;
 | |
|         default:
 | |
|             goto unimplemented;
 | |
|         }
 | |
|         break;
 | |
|     default:
 | |
|     unimplemented:
 | |
| 	gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
 | |
| 	ret = -ENOSYS;
 | |
| 	break;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| /* kernel structure types definitions */
 | |
| #define IFNAMSIZ        16
 | |
| 
 | |
| #define STRUCT(name, list...) STRUCT_ ## name,
 | |
| #define STRUCT_SPECIAL(name) STRUCT_ ## name,
 | |
| enum {
 | |
| #include "syscall_types.h"
 | |
| };
 | |
| #undef STRUCT
 | |
| #undef STRUCT_SPECIAL
 | |
| 
 | |
| #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
 | |
| #define STRUCT_SPECIAL(name)
 | |
| #include "syscall_types.h"
 | |
| #undef STRUCT
 | |
| #undef STRUCT_SPECIAL
 | |
| 
 | |
| typedef struct IOCTLEntry {
 | |
|     unsigned int target_cmd;
 | |
|     unsigned int host_cmd;
 | |
|     const char *name;
 | |
|     int access;
 | |
|     const argtype arg_type[5];
 | |
| } IOCTLEntry;
 | |
| 
 | |
| #define IOC_R 0x0001
 | |
| #define IOC_W 0x0002
 | |
| #define IOC_RW (IOC_R | IOC_W)
 | |
| 
 | |
| #define MAX_STRUCT_SIZE 4096
 | |
| 
 | |
| IOCTLEntry ioctl_entries[] = {
 | |
| #define IOCTL(cmd, access, types...) \
 | |
|     { TARGET_ ## cmd, cmd, #cmd, access, { types } },
 | |
| #include "ioctls.h"
 | |
|     { 0, 0, },
 | |
| };
 | |
| 
 | |
| static long do_ioctl(long fd, long cmd, long arg)
 | |
| {
 | |
|     const IOCTLEntry *ie;
 | |
|     const argtype *arg_type;
 | |
|     long ret;
 | |
|     uint8_t buf_temp[MAX_STRUCT_SIZE];
 | |
| 
 | |
|     ie = ioctl_entries;
 | |
|     for(;;) {
 | |
|         if (ie->target_cmd == 0) {
 | |
|             gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
 | |
|             return -ENOSYS;
 | |
|         }
 | |
|         if (ie->target_cmd == cmd)
 | |
|             break;
 | |
|         ie++;
 | |
|     }
 | |
|     arg_type = ie->arg_type;
 | |
| #if defined(DEBUG)
 | |
|     gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
 | |
| #endif
 | |
|     switch(arg_type[0]) {
 | |
|     case TYPE_NULL:
 | |
|         /* no argument */
 | |
|         ret = get_errno(ioctl(fd, ie->host_cmd));
 | |
|         break;
 | |
|     case TYPE_PTRVOID:
 | |
|     case TYPE_INT:
 | |
|         /* int argment */
 | |
|         ret = get_errno(ioctl(fd, ie->host_cmd, arg));
 | |
|         break;
 | |
|     case TYPE_PTR:
 | |
|         arg_type++;
 | |
|         switch(ie->access) {
 | |
|         case IOC_R:
 | |
|             ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
 | |
|             if (!is_error(ret)) {
 | |
|                 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
 | |
|             }
 | |
|             break;
 | |
|         case IOC_W:
 | |
|             thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
 | |
|             ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
 | |
|             break;
 | |
|         default:
 | |
|         case IOC_RW:
 | |
|             thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
 | |
|             ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
 | |
|             if (!is_error(ret)) {
 | |
|                 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
 | |
|             }
 | |
|             break;
 | |
|         }
 | |
|         break;
 | |
|     default:
 | |
|         gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
 | |
|         ret = -ENOSYS;
 | |
|         break;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| bitmask_transtbl iflag_tbl[] = {
 | |
|         { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
 | |
|         { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
 | |
|         { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
 | |
|         { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
 | |
|         { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
 | |
|         { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
 | |
|         { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
 | |
|         { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
 | |
|         { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
 | |
|         { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
 | |
|         { TARGET_IXON, TARGET_IXON, IXON, IXON },
 | |
|         { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
 | |
|         { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
 | |
|         { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
 | |
|         { 0, 0, 0, 0 }
 | |
| };
 | |
| 
 | |
| bitmask_transtbl oflag_tbl[] = {
 | |
| 	{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
 | |
| 	{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
 | |
| 	{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
 | |
| 	{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
 | |
| 	{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
 | |
| 	{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
 | |
| 	{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
 | |
| 	{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
 | |
| 	{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
 | |
| 	{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
 | |
| 	{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
 | |
| 	{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
 | |
| 	{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
 | |
| 	{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
 | |
| 	{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
 | |
| 	{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
 | |
| 	{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
 | |
| 	{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
 | |
| 	{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
 | |
| 	{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
 | |
| 	{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
 | |
| 	{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
 | |
| 	{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
 | |
| 	{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
 | |
| 	{ 0, 0, 0, 0 }
 | |
| };
 | |
| 
 | |
| bitmask_transtbl cflag_tbl[] = {
 | |
| 	{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
 | |
| 	{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
 | |
| 	{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
 | |
| 	{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
 | |
| 	{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
 | |
| 	{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
 | |
| 	{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
 | |
| 	{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
 | |
| 	{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
 | |
| 	{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
 | |
| 	{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
 | |
| 	{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
 | |
| 	{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
 | |
| 	{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
 | |
| 	{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
 | |
| 	{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
 | |
| 	{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
 | |
| 	{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
 | |
| 	{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
 | |
| 	{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
 | |
| 	{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
 | |
| 	{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
 | |
| 	{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
 | |
| 	{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
 | |
| 	{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
 | |
| 	{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
 | |
| 	{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
 | |
| 	{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
 | |
| 	{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
 | |
| 	{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
 | |
| 	{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
 | |
| 	{ 0, 0, 0, 0 }
 | |
| };
 | |
| 
 | |
| bitmask_transtbl lflag_tbl[] = {
 | |
| 	{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
 | |
| 	{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
 | |
| 	{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
 | |
| 	{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
 | |
| 	{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
 | |
| 	{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
 | |
| 	{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
 | |
| 	{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
 | |
| 	{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
 | |
| 	{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
 | |
| 	{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
 | |
| 	{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
 | |
| 	{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
 | |
| 	{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
 | |
| 	{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
 | |
| 	{ 0, 0, 0, 0 }
 | |
| };
 | |
| 
 | |
| static void target_to_host_termios (void *dst, const void *src)
 | |
| {
 | |
|     struct host_termios *host = dst;
 | |
|     const struct target_termios *target = src;
 | |
|     
 | |
|     host->c_iflag = 
 | |
|         target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
 | |
|     host->c_oflag = 
 | |
|         target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
 | |
|     host->c_cflag = 
 | |
|         target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
 | |
|     host->c_lflag = 
 | |
|         target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
 | |
|     host->c_line = target->c_line;
 | |
|     
 | |
|     host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
 | |
|     host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
 | |
|     host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
 | |
|     host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
 | |
|     host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
 | |
|     host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
 | |
|     host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
 | |
|     host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
 | |
|     host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
 | |
|     host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
 | |
|     host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
 | |
|     host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
 | |
|     host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
 | |
|     host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
 | |
|     host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
 | |
|     host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
 | |
|     host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
 | |
| }
 | |
|   
 | |
| static void host_to_target_termios (void *dst, const void *src)
 | |
| {
 | |
|     struct target_termios *target = dst;
 | |
|     const struct host_termios *host = src;
 | |
| 
 | |
|     target->c_iflag = 
 | |
|         tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
 | |
|     target->c_oflag = 
 | |
|         tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
 | |
|     target->c_cflag = 
 | |
|         tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
 | |
|     target->c_lflag = 
 | |
|         tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
 | |
|     target->c_line = host->c_line;
 | |
|   
 | |
|     target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
 | |
|     target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
 | |
|     target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
 | |
|     target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
 | |
|     target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
 | |
|     target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
 | |
|     target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
 | |
|     target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
 | |
|     target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
 | |
|     target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
 | |
|     target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
 | |
|     target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
 | |
|     target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
 | |
|     target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
 | |
|     target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
 | |
|     target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
 | |
|     target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
 | |
| }
 | |
| 
 | |
| StructEntry struct_termios_def = {
 | |
|     .convert = { host_to_target_termios, target_to_host_termios },
 | |
|     .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
 | |
|     .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
 | |
| };
 | |
| 
 | |
| static bitmask_transtbl mmap_flags_tbl[] = {
 | |
| 	{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
 | |
| 	{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
 | |
| 	{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
 | |
| 	{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
 | |
| 	{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
 | |
| 	{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
 | |
| 	{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
 | |
| 	{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
 | |
| 	{ 0, 0, 0, 0 }
 | |
| };
 | |
| 
 | |
| static bitmask_transtbl fcntl_flags_tbl[] = {
 | |
| 	{ TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
 | |
| 	{ TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
 | |
| 	{ TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },
 | |
| 	{ TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },
 | |
| 	{ TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },
 | |
| 	{ TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },
 | |
| 	{ TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },
 | |
| 	{ TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },
 | |
| 	{ TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },
 | |
| 	{ TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },
 | |
| 	{ TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
 | |
| 	{ TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },
 | |
| 	{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
 | |
| #if defined(O_DIRECT)
 | |
| 	{ TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
 | |
| #endif
 | |
| 	{ 0, 0, 0, 0 }
 | |
| };
 | |
| 
 | |
| #if defined(TARGET_I386)
 | |
| 
 | |
| /* NOTE: there is really one LDT for all the threads */
 | |
| uint8_t *ldt_table;
 | |
| 
 | |
| static int read_ldt(void *ptr, unsigned long bytecount)
 | |
| {
 | |
|     int size;
 | |
| 
 | |
|     if (!ldt_table)
 | |
|         return 0;
 | |
|     size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
 | |
|     if (size > bytecount)
 | |
|         size = bytecount;
 | |
|     memcpy(ptr, ldt_table, size);
 | |
|     return size;
 | |
| }
 | |
| 
 | |
| /* XXX: add locking support */
 | |
| static int write_ldt(CPUX86State *env, 
 | |
|                      void *ptr, unsigned long bytecount, int oldmode)
 | |
| {
 | |
|     struct target_modify_ldt_ldt_s ldt_info;
 | |
|     int seg_32bit, contents, read_exec_only, limit_in_pages;
 | |
|     int seg_not_present, useable;
 | |
|     uint32_t *lp, entry_1, entry_2;
 | |
| 
 | |
|     if (bytecount != sizeof(ldt_info))
 | |
|         return -EINVAL;
 | |
|     memcpy(&ldt_info, ptr, sizeof(ldt_info));
 | |
|     tswap32s(&ldt_info.entry_number);
 | |
|     tswapls((long *)&ldt_info.base_addr);
 | |
|     tswap32s(&ldt_info.limit);
 | |
|     tswap32s(&ldt_info.flags);
 | |
|     
 | |
|     if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
 | |
|         return -EINVAL;
 | |
|     seg_32bit = ldt_info.flags & 1;
 | |
|     contents = (ldt_info.flags >> 1) & 3;
 | |
|     read_exec_only = (ldt_info.flags >> 3) & 1;
 | |
|     limit_in_pages = (ldt_info.flags >> 4) & 1;
 | |
|     seg_not_present = (ldt_info.flags >> 5) & 1;
 | |
|     useable = (ldt_info.flags >> 6) & 1;
 | |
| 
 | |
|     if (contents == 3) {
 | |
|         if (oldmode)
 | |
|             return -EINVAL;
 | |
|         if (seg_not_present == 0)
 | |
|             return -EINVAL;
 | |
|     }
 | |
|     /* allocate the LDT */
 | |
|     if (!ldt_table) {
 | |
|         ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
 | |
|         if (!ldt_table)
 | |
|             return -ENOMEM;
 | |
|         memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
 | |
|         env->ldt.base = ldt_table;
 | |
|         env->ldt.limit = 0xffff;
 | |
|     }
 | |
| 
 | |
|     /* NOTE: same code as Linux kernel */
 | |
|     /* Allow LDTs to be cleared by the user. */
 | |
|     if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
 | |
|         if (oldmode ||
 | |
|             (contents == 0		&&
 | |
|              read_exec_only == 1	&&
 | |
|              seg_32bit == 0		&&
 | |
|              limit_in_pages == 0	&&
 | |
|              seg_not_present == 1	&&
 | |
|              useable == 0 )) {
 | |
|             entry_1 = 0;
 | |
|             entry_2 = 0;
 | |
|             goto install;
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
 | |
|         (ldt_info.limit & 0x0ffff);
 | |
|     entry_2 = (ldt_info.base_addr & 0xff000000) |
 | |
|         ((ldt_info.base_addr & 0x00ff0000) >> 16) |
 | |
|         (ldt_info.limit & 0xf0000) |
 | |
|         ((read_exec_only ^ 1) << 9) |
 | |
|         (contents << 10) |
 | |
|         ((seg_not_present ^ 1) << 15) |
 | |
|         (seg_32bit << 22) |
 | |
|         (limit_in_pages << 23) |
 | |
|         0x7000;
 | |
|     if (!oldmode)
 | |
|         entry_2 |= (useable << 20);
 | |
| 
 | |
|     /* Install the new entry ...  */
 | |
| install:
 | |
|     lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
 | |
|     lp[0] = tswap32(entry_1);
 | |
|     lp[1] = tswap32(entry_2);
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| /* specific and weird i386 syscalls */
 | |
| int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
 | |
| {
 | |
|     int ret = -ENOSYS;
 | |
|     
 | |
|     switch (func) {
 | |
|     case 0:
 | |
|         ret = read_ldt(ptr, bytecount);
 | |
|         break;
 | |
|     case 1:
 | |
|         ret = write_ldt(env, ptr, bytecount, 1);
 | |
|         break;
 | |
|     case 0x11:
 | |
|         ret = write_ldt(env, ptr, bytecount, 0);
 | |
|         break;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| #endif /* defined(TARGET_I386) */
 | |
| 
 | |
| /* this stack is the equivalent of the kernel stack associated with a
 | |
|    thread/process */
 | |
| #define NEW_STACK_SIZE 8192
 | |
| 
 | |
| static int clone_func(void *arg)
 | |
| {
 | |
|     CPUState *env = arg;
 | |
|     cpu_loop(env);
 | |
|     /* never exits */
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
 | |
| {
 | |
|     int ret;
 | |
|     TaskState *ts;
 | |
|     uint8_t *new_stack;
 | |
|     CPUState *new_env;
 | |
|     
 | |
|     if (flags & CLONE_VM) {
 | |
|         ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
 | |
|         memset(ts, 0, sizeof(TaskState));
 | |
|         new_stack = ts->stack;
 | |
|         ts->used = 1;
 | |
|         /* add in task state list */
 | |
|         ts->next = first_task_state;
 | |
|         first_task_state = ts;
 | |
|         /* we create a new CPU instance. */
 | |
|         new_env = cpu_init();
 | |
|         memcpy(new_env, env, sizeof(CPUState));
 | |
| #if defined(TARGET_I386)
 | |
|         if (!newsp)
 | |
|             newsp = env->regs[R_ESP];
 | |
|         new_env->regs[R_ESP] = newsp;
 | |
|         new_env->regs[R_EAX] = 0;
 | |
| #elif defined(TARGET_ARM)
 | |
|         if (!newsp)
 | |
|             newsp = env->regs[13];
 | |
|         new_env->regs[13] = newsp;
 | |
|         new_env->regs[0] = 0;
 | |
| #elif defined(TARGET_SPARC)
 | |
|         printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
 | |
| #elif defined(TARGET_PPC)
 | |
|         if (!newsp)
 | |
|             newsp = env->gpr[1];
 | |
|         new_env->gpr[1] = newsp;
 | |
|         { 
 | |
|             int i;
 | |
|             for (i = 7; i < 32; i++)
 | |
|                 new_env->gpr[i] = 0;
 | |
|         }
 | |
| #else
 | |
| #error unsupported target CPU
 | |
| #endif
 | |
|         new_env->opaque = ts;
 | |
| #ifdef __ia64__
 | |
|         ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
 | |
| #else
 | |
| 	ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
 | |
| #endif
 | |
|     } else {
 | |
|         /* if no CLONE_VM, we consider it is a fork */
 | |
|         if ((flags & ~CSIGNAL) != 0)
 | |
|             return -EINVAL;
 | |
|         ret = fork();
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| static long do_fcntl(int fd, int cmd, unsigned long arg)
 | |
| {
 | |
|     struct flock fl;
 | |
|     struct target_flock *target_fl = (void *)arg;
 | |
|     long ret;
 | |
|     
 | |
|     switch(cmd) {
 | |
|     case TARGET_F_GETLK:
 | |
|         ret = fcntl(fd, cmd, &fl);
 | |
|         if (ret == 0) {
 | |
|             target_fl->l_type = tswap16(fl.l_type);
 | |
|             target_fl->l_whence = tswap16(fl.l_whence);
 | |
|             target_fl->l_start = tswapl(fl.l_start);
 | |
|             target_fl->l_len = tswapl(fl.l_len);
 | |
|             target_fl->l_pid = tswapl(fl.l_pid);
 | |
|         }
 | |
|         break;
 | |
|         
 | |
|     case TARGET_F_SETLK:
 | |
|     case TARGET_F_SETLKW:
 | |
|         fl.l_type = tswap16(target_fl->l_type);
 | |
|         fl.l_whence = tswap16(target_fl->l_whence);
 | |
|         fl.l_start = tswapl(target_fl->l_start);
 | |
|         fl.l_len = tswapl(target_fl->l_len);
 | |
|         fl.l_pid = tswapl(target_fl->l_pid);
 | |
|         ret = fcntl(fd, cmd, &fl);
 | |
|         break;
 | |
|         
 | |
|     case TARGET_F_GETLK64:
 | |
|     case TARGET_F_SETLK64:
 | |
|     case TARGET_F_SETLKW64:
 | |
|         ret = -1;
 | |
|         errno = EINVAL;
 | |
|         break;
 | |
| 
 | |
|     case F_GETFL:
 | |
|         ret = fcntl(fd, cmd, arg);
 | |
|         ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
 | |
|         break;
 | |
| 
 | |
|     case F_SETFL:
 | |
|         ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
 | |
|         break;
 | |
| 
 | |
|     default:
 | |
|         ret = fcntl(fd, cmd, arg);
 | |
|         break;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| #ifdef USE_UID16
 | |
| 
 | |
| static inline int high2lowuid(int uid)
 | |
| {
 | |
|     if (uid > 65535)
 | |
|         return 65534;
 | |
|     else
 | |
|         return uid;
 | |
| }
 | |
| 
 | |
| static inline int high2lowgid(int gid)
 | |
| {
 | |
|     if (gid > 65535)
 | |
|         return 65534;
 | |
|     else
 | |
|         return gid;
 | |
| }
 | |
| 
 | |
| static inline int low2highuid(int uid)
 | |
| {
 | |
|     if ((int16_t)uid == -1)
 | |
|         return -1;
 | |
|     else
 | |
|         return uid;
 | |
| }
 | |
| 
 | |
| static inline int low2highgid(int gid)
 | |
| {
 | |
|     if ((int16_t)gid == -1)
 | |
|         return -1;
 | |
|     else
 | |
|         return gid;
 | |
| }
 | |
| 
 | |
| #endif /* USE_UID16 */
 | |
| 
 | |
| void syscall_init(void)
 | |
| {
 | |
|     IOCTLEntry *ie;
 | |
|     const argtype *arg_type;
 | |
|     int size;
 | |
| 
 | |
| #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
 | |
| #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
 | |
| #include "syscall_types.h"
 | |
| #undef STRUCT
 | |
| #undef STRUCT_SPECIAL
 | |
| 
 | |
|     /* we patch the ioctl size if necessary. We rely on the fact that
 | |
|        no ioctl has all the bits at '1' in the size field */
 | |
|     ie = ioctl_entries;
 | |
|     while (ie->target_cmd != 0) {
 | |
|         if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
 | |
|             TARGET_IOC_SIZEMASK) {
 | |
|             arg_type = ie->arg_type;
 | |
|             if (arg_type[0] != TYPE_PTR) {
 | |
|                 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 
 | |
|                         ie->target_cmd);
 | |
|                 exit(1);
 | |
|             }
 | |
|             arg_type++;
 | |
|             size = thunk_type_size(arg_type, 0);
 | |
|             ie->target_cmd = (ie->target_cmd & 
 | |
|                               ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
 | |
|                 (size << TARGET_IOC_SIZESHIFT);
 | |
|         }
 | |
|         /* automatic consistency check if same arch */
 | |
| #if defined(__i386__) && defined(TARGET_I386)
 | |
|         if (ie->target_cmd != ie->host_cmd) {
 | |
|             fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 
 | |
|                     ie->target_cmd, ie->host_cmd);
 | |
|         }
 | |
| #endif
 | |
|         ie++;
 | |
|     }
 | |
| }
 | |
| 
 | |
| long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
 | |
|                 long arg4, long arg5, long arg6)
 | |
| {
 | |
|     long ret;
 | |
|     struct stat st;
 | |
|     struct kernel_statfs *stfs;
 | |
|     
 | |
| #ifdef DEBUG
 | |
|     gemu_log("syscall %d", num);
 | |
| #endif
 | |
|     switch(num) {
 | |
|     case TARGET_NR_exit:
 | |
| #ifdef HAVE_GPROF
 | |
|         _mcleanup();
 | |
| #endif
 | |
|         /* XXX: should free thread stack and CPU env */
 | |
|         _exit(arg1);
 | |
|         ret = 0; /* avoid warning */
 | |
|         break;
 | |
|     case TARGET_NR_read:
 | |
|         page_unprotect_range((void *)arg2, arg3);
 | |
|         ret = get_errno(read(arg1, (void *)arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_write:
 | |
|         ret = get_errno(write(arg1, (void *)arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_open:
 | |
|         ret = get_errno(open(path((const char *)arg1),
 | |
|                              target_to_host_bitmask(arg2, fcntl_flags_tbl),
 | |
|                              arg3));
 | |
|         break;
 | |
|     case TARGET_NR_close:
 | |
|         ret = get_errno(close(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_brk:
 | |
|         ret = do_brk((char *)arg1);
 | |
|         break;
 | |
|     case TARGET_NR_fork:
 | |
|         ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
 | |
|         break;
 | |
|     case TARGET_NR_waitpid:
 | |
|         {
 | |
|             int *status = (int *)arg2;
 | |
|             ret = get_errno(waitpid(arg1, status, arg3));
 | |
|             if (!is_error(ret) && status)
 | |
|                 tswapls((long *)&status);
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_creat:
 | |
|         ret = get_errno(creat((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_link:
 | |
|         ret = get_errno(link((const char *)arg1, (const char *)arg2));
 | |
|         break;
 | |
|     case TARGET_NR_unlink:
 | |
|         ret = get_errno(unlink((const char *)arg1));
 | |
|         break;
 | |
|     case TARGET_NR_execve:
 | |
|         {
 | |
|             char **argp, **envp;
 | |
|             int argc, envc;
 | |
|             uint32_t *p;
 | |
|             char **q;
 | |
| 
 | |
|             argc = 0;
 | |
|             for (p = (void *)arg2; *p; p++)
 | |
|                 argc++;
 | |
|             envc = 0;
 | |
|             for (p = (void *)arg3; *p; p++)
 | |
|                 envc++;
 | |
| 
 | |
|             argp = alloca((argc + 1) * sizeof(void *));
 | |
|             envp = alloca((envc + 1) * sizeof(void *));
 | |
| 
 | |
|             for (p = (void *)arg2, q = argp; *p; p++, q++)
 | |
|                 *q = (void *)tswap32(*p);
 | |
|             *q = NULL;
 | |
| 
 | |
|             for (p = (void *)arg3, q = envp; *p; p++, q++)
 | |
|                 *q = (void *)tswap32(*p);
 | |
|             *q = NULL;
 | |
| 
 | |
|             ret = get_errno(execve((const char *)arg1, argp, envp));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_chdir:
 | |
|         ret = get_errno(chdir((const char *)arg1));
 | |
|         break;
 | |
|     case TARGET_NR_time:
 | |
|         {
 | |
|             int *time_ptr = (int *)arg1;
 | |
|             ret = get_errno(time((time_t *)time_ptr));
 | |
|             if (!is_error(ret) && time_ptr)
 | |
|                 tswap32s(time_ptr);
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_mknod:
 | |
|         ret = get_errno(mknod((const char *)arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_chmod:
 | |
|         ret = get_errno(chmod((const char *)arg1, arg2));
 | |
|         break;
 | |
| #ifdef TARGET_NR_break
 | |
|     case TARGET_NR_break:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_oldstat
 | |
|     case TARGET_NR_oldstat:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_lseek:
 | |
|         ret = get_errno(lseek(arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_getpid:
 | |
|         ret = get_errno(getpid());
 | |
|         break;
 | |
|     case TARGET_NR_mount:
 | |
|         /* need to look at the data field */
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_umount:
 | |
|         ret = get_errno(umount((const char *)arg1));
 | |
|         break;
 | |
|     case TARGET_NR_stime:
 | |
|         {
 | |
|             int *time_ptr = (int *)arg1;
 | |
|             if (time_ptr)
 | |
|                 tswap32s(time_ptr);
 | |
|             ret = get_errno(stime((time_t *)time_ptr));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_ptrace:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_alarm:
 | |
|         ret = alarm(arg1);
 | |
|         break;
 | |
| #ifdef TARGET_NR_oldfstat
 | |
|     case TARGET_NR_oldfstat:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_pause:
 | |
|         ret = get_errno(pause());
 | |
|         break;
 | |
|     case TARGET_NR_utime:
 | |
|         {
 | |
|             struct utimbuf tbuf;
 | |
|             struct target_utimbuf *target_tbuf = (void *)arg2;
 | |
|             tbuf.actime = tswapl(target_tbuf->actime);
 | |
|             tbuf.modtime = tswapl(target_tbuf->modtime);
 | |
|             ret = get_errno(utime((const char *)arg1, &tbuf));
 | |
|         }
 | |
|         break;
 | |
| #ifdef TARGET_NR_stty
 | |
|     case TARGET_NR_stty:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_gtty
 | |
|     case TARGET_NR_gtty:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_access:
 | |
|         ret = get_errno(access((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_nice:
 | |
|         ret = get_errno(nice(arg1));
 | |
|         break;
 | |
| #ifdef TARGET_NR_ftime
 | |
|     case TARGET_NR_ftime:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_sync:
 | |
|         sync();
 | |
|         ret = 0;
 | |
|         break;
 | |
|     case TARGET_NR_kill:
 | |
|         ret = get_errno(kill(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_rename:
 | |
|         ret = get_errno(rename((const char *)arg1, (const char *)arg2));
 | |
|         break;
 | |
|     case TARGET_NR_mkdir:
 | |
|         ret = get_errno(mkdir((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_rmdir:
 | |
|         ret = get_errno(rmdir((const char *)arg1));
 | |
|         break;
 | |
|     case TARGET_NR_dup:
 | |
|         ret = get_errno(dup(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_pipe:
 | |
|         {
 | |
|             int *pipe_ptr = (int *)arg1;
 | |
|             ret = get_errno(pipe(pipe_ptr));
 | |
|             if (!is_error(ret)) {
 | |
|                 tswap32s(&pipe_ptr[0]);
 | |
|                 tswap32s(&pipe_ptr[1]);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_times:
 | |
|         {
 | |
|             struct target_tms *tmsp = (void *)arg1;
 | |
|             struct tms tms;
 | |
|             ret = get_errno(times(&tms));
 | |
|             if (tmsp) {
 | |
|                 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
 | |
|                 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
 | |
|                 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
 | |
|                 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
 | |
|             }
 | |
|             if (!is_error(ret))
 | |
|                 ret = host_to_target_clock_t(ret);
 | |
|         }
 | |
|         break;
 | |
| #ifdef TARGET_NR_prof
 | |
|     case TARGET_NR_prof:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_signal:
 | |
|         goto unimplemented;
 | |
| 
 | |
|     case TARGET_NR_acct:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_umount2:
 | |
|         ret = get_errno(umount2((const char *)arg1, arg2));
 | |
|         break;
 | |
| #ifdef TARGET_NR_lock
 | |
|     case TARGET_NR_lock:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_ioctl:
 | |
|         ret = do_ioctl(arg1, arg2, arg3);
 | |
|         break;
 | |
|     case TARGET_NR_fcntl:
 | |
|         ret = get_errno(do_fcntl(arg1, arg2, arg3));
 | |
|         break;
 | |
| #ifdef TARGET_NR_mpx
 | |
|     case TARGET_NR_mpx:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_setpgid:
 | |
|         ret = get_errno(setpgid(arg1, arg2));
 | |
|         break;
 | |
| #ifdef TARGET_NR_ulimit
 | |
|     case TARGET_NR_ulimit:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_oldolduname
 | |
|     case TARGET_NR_oldolduname:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_umask:
 | |
|         ret = get_errno(umask(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_chroot:
 | |
|         ret = get_errno(chroot((const char *)arg1));
 | |
|         break;
 | |
|     case TARGET_NR_ustat:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_dup2:
 | |
|         ret = get_errno(dup2(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_getppid:
 | |
|         ret = get_errno(getppid());
 | |
|         break;
 | |
|     case TARGET_NR_getpgrp:
 | |
|         ret = get_errno(getpgrp());
 | |
|         break;
 | |
|     case TARGET_NR_setsid:
 | |
|         ret = get_errno(setsid());
 | |
|         break;
 | |
|     case TARGET_NR_sigaction:
 | |
|         {
 | |
|             struct target_old_sigaction *old_act = (void *)arg2;
 | |
|             struct target_old_sigaction *old_oact = (void *)arg3;
 | |
|             struct target_sigaction act, oact, *pact;
 | |
|             if (old_act) {
 | |
|                 act._sa_handler = old_act->_sa_handler;
 | |
|                 target_siginitset(&act.sa_mask, old_act->sa_mask);
 | |
|                 act.sa_flags = old_act->sa_flags;
 | |
|                 act.sa_restorer = old_act->sa_restorer;
 | |
|                 pact = &act;
 | |
|             } else {
 | |
|                 pact = NULL;
 | |
|             }
 | |
|             ret = get_errno(do_sigaction(arg1, pact, &oact));
 | |
|             if (!is_error(ret) && old_oact) {
 | |
|                 old_oact->_sa_handler = oact._sa_handler;
 | |
|                 old_oact->sa_mask = oact.sa_mask.sig[0];
 | |
|                 old_oact->sa_flags = oact.sa_flags;
 | |
|                 old_oact->sa_restorer = oact.sa_restorer;
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigaction:
 | |
|         ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
 | |
|         break;
 | |
|     case TARGET_NR_sgetmask:
 | |
|         {
 | |
|             sigset_t cur_set;
 | |
|             target_ulong target_set;
 | |
|             sigprocmask(0, NULL, &cur_set);
 | |
|             host_to_target_old_sigset(&target_set, &cur_set);
 | |
|             ret = target_set;
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_ssetmask:
 | |
|         {
 | |
|             sigset_t set, oset, cur_set;
 | |
|             target_ulong target_set = arg1;
 | |
|             sigprocmask(0, NULL, &cur_set);
 | |
|             target_to_host_old_sigset(&set, &target_set);
 | |
|             sigorset(&set, &set, &cur_set);
 | |
|             sigprocmask(SIG_SETMASK, &set, &oset);
 | |
|             host_to_target_old_sigset(&target_set, &oset);
 | |
|             ret = target_set;
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sigprocmask:
 | |
|         {
 | |
|             int how = arg1;
 | |
|             sigset_t set, oldset, *set_ptr;
 | |
|             target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
 | |
|             
 | |
|             if (pset) {
 | |
|                 switch(how) {
 | |
|                 case TARGET_SIG_BLOCK:
 | |
|                     how = SIG_BLOCK;
 | |
|                     break;
 | |
|                 case TARGET_SIG_UNBLOCK:
 | |
|                     how = SIG_UNBLOCK;
 | |
|                     break;
 | |
|                 case TARGET_SIG_SETMASK:
 | |
|                     how = SIG_SETMASK;
 | |
|                     break;
 | |
|                 default:
 | |
|                     ret = -EINVAL;
 | |
|                     goto fail;
 | |
|                 }
 | |
|                 target_to_host_old_sigset(&set, pset);
 | |
|                 set_ptr = &set;
 | |
|             } else {
 | |
|                 how = 0;
 | |
|                 set_ptr = NULL;
 | |
|             }
 | |
|             ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
 | |
|             if (!is_error(ret) && poldset) {
 | |
|                 host_to_target_old_sigset(poldset, &oldset);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigprocmask:
 | |
|         {
 | |
|             int how = arg1;
 | |
|             sigset_t set, oldset, *set_ptr;
 | |
|             target_sigset_t *pset = (void *)arg2;
 | |
|             target_sigset_t *poldset = (void *)arg3;
 | |
|             
 | |
|             if (pset) {
 | |
|                 switch(how) {
 | |
|                 case TARGET_SIG_BLOCK:
 | |
|                     how = SIG_BLOCK;
 | |
|                     break;
 | |
|                 case TARGET_SIG_UNBLOCK:
 | |
|                     how = SIG_UNBLOCK;
 | |
|                     break;
 | |
|                 case TARGET_SIG_SETMASK:
 | |
|                     how = SIG_SETMASK;
 | |
|                     break;
 | |
|                 default:
 | |
|                     ret = -EINVAL;
 | |
|                     goto fail;
 | |
|                 }
 | |
|                 target_to_host_sigset(&set, pset);
 | |
|                 set_ptr = &set;
 | |
|             } else {
 | |
|                 how = 0;
 | |
|                 set_ptr = NULL;
 | |
|             }
 | |
|             ret = get_errno(sigprocmask(how, set_ptr, &oldset));
 | |
|             if (!is_error(ret) && poldset) {
 | |
|                 host_to_target_sigset(poldset, &oldset);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sigpending:
 | |
|         {
 | |
|             sigset_t set;
 | |
|             ret = get_errno(sigpending(&set));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_old_sigset((target_ulong *)arg1, &set);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigpending:
 | |
|         {
 | |
|             sigset_t set;
 | |
|             ret = get_errno(sigpending(&set));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_sigset((target_sigset_t *)arg1, &set);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sigsuspend:
 | |
|         {
 | |
|             sigset_t set;
 | |
|             target_to_host_old_sigset(&set, (target_ulong *)arg1);
 | |
|             ret = get_errno(sigsuspend(&set));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigsuspend:
 | |
|         {
 | |
|             sigset_t set;
 | |
|             target_to_host_sigset(&set, (target_sigset_t *)arg1);
 | |
|             ret = get_errno(sigsuspend(&set));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigtimedwait:
 | |
|         {
 | |
|             target_sigset_t *target_set = (void *)arg1;
 | |
|             target_siginfo_t *target_uinfo = (void *)arg2;
 | |
|             struct target_timespec *target_uts = (void *)arg3;
 | |
|             sigset_t set;
 | |
|             struct timespec uts, *puts;
 | |
|             siginfo_t uinfo;
 | |
|             
 | |
|             target_to_host_sigset(&set, target_set);
 | |
|             if (target_uts) {
 | |
|                 puts = &uts;
 | |
|                 puts->tv_sec = tswapl(target_uts->tv_sec);
 | |
|                 puts->tv_nsec = tswapl(target_uts->tv_nsec);
 | |
|             } else {
 | |
|                 puts = NULL;
 | |
|             }
 | |
|             ret = get_errno(sigtimedwait(&set, &uinfo, puts));
 | |
|             if (!is_error(ret) && target_uinfo) {
 | |
|                 host_to_target_siginfo(target_uinfo, &uinfo);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigqueueinfo:
 | |
|         {
 | |
|             siginfo_t uinfo;
 | |
|             target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
 | |
|             ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sigreturn:
 | |
|         /* NOTE: ret is eax, so not transcoding must be done */
 | |
|         ret = do_sigreturn(cpu_env);
 | |
|         break;
 | |
|     case TARGET_NR_rt_sigreturn:
 | |
|         /* NOTE: ret is eax, so not transcoding must be done */
 | |
|         ret = do_rt_sigreturn(cpu_env);
 | |
|         break;
 | |
|     case TARGET_NR_sethostname:
 | |
|         ret = get_errno(sethostname((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_setrlimit:
 | |
|         {
 | |
|             /* XXX: convert resource ? */
 | |
|             int resource = arg1;
 | |
|             struct target_rlimit *target_rlim = (void *)arg2;
 | |
|             struct rlimit rlim;
 | |
|             rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
 | |
|             rlim.rlim_max = tswapl(target_rlim->rlim_max);
 | |
|             ret = get_errno(setrlimit(resource, &rlim));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_getrlimit:
 | |
|         {
 | |
|             /* XXX: convert resource ? */
 | |
|             int resource = arg1;
 | |
|             struct target_rlimit *target_rlim = (void *)arg2;
 | |
|             struct rlimit rlim;
 | |
|             
 | |
|             ret = get_errno(getrlimit(resource, &rlim));
 | |
|             if (!is_error(ret)) {
 | |
|                 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
 | |
|                 target_rlim->rlim_max = tswapl(rlim.rlim_max);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_getrusage:
 | |
|         {
 | |
|             struct rusage rusage;
 | |
|             struct target_rusage *target_rusage = (void *)arg2;
 | |
|             ret = get_errno(getrusage(arg1, &rusage));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_rusage(target_rusage, &rusage);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_gettimeofday:
 | |
|         {
 | |
|             struct target_timeval *target_tv = (void *)arg1;
 | |
|             struct timeval tv;
 | |
|             ret = get_errno(gettimeofday(&tv, NULL));
 | |
|             if (!is_error(ret)) {
 | |
|                 host_to_target_timeval(target_tv, &tv);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_settimeofday:
 | |
|         {
 | |
|             struct target_timeval *target_tv = (void *)arg1;
 | |
|             struct timeval tv;
 | |
|             target_to_host_timeval(&tv, target_tv);
 | |
|             ret = get_errno(settimeofday(&tv, NULL));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_select:
 | |
|         {
 | |
|             struct target_sel_arg_struct *sel = (void *)arg1;
 | |
|             sel->n = tswapl(sel->n);
 | |
|             sel->inp = tswapl(sel->inp);
 | |
|             sel->outp = tswapl(sel->outp);
 | |
|             sel->exp = tswapl(sel->exp);
 | |
|             sel->tvp = tswapl(sel->tvp);
 | |
|             ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
 | |
|                             (void *)sel->exp, (void *)sel->tvp);
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_symlink:
 | |
|         ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
 | |
|         break;
 | |
| #ifdef TARGET_NR_oldlstat
 | |
|     case TARGET_NR_oldlstat:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_readlink:
 | |
|         ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_uselib:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_swapon:
 | |
|         ret = get_errno(swapon((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_reboot:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_readdir:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_mmap:
 | |
| #if defined(TARGET_I386) || defined(TARGET_ARM)
 | |
|         {
 | |
|             uint32_t v1, v2, v3, v4, v5, v6, *vptr;
 | |
|             vptr = (uint32_t *)arg1;
 | |
|             v1 = tswap32(vptr[0]);
 | |
|             v2 = tswap32(vptr[1]);
 | |
|             v3 = tswap32(vptr[2]);
 | |
|             v4 = tswap32(vptr[3]);
 | |
|             v5 = tswap32(vptr[4]);
 | |
|             v6 = tswap32(vptr[5]);
 | |
|             ret = get_errno(target_mmap(v1, v2, v3, 
 | |
|                                         target_to_host_bitmask(v4, mmap_flags_tbl),
 | |
|                                         v5, v6));
 | |
|         }
 | |
| #else
 | |
|         ret = get_errno(target_mmap(arg1, arg2, arg3, 
 | |
|                                     target_to_host_bitmask(arg4, mmap_flags_tbl), 
 | |
|                                     arg5,
 | |
|                                     arg6));
 | |
| #endif
 | |
|         break;
 | |
|     case TARGET_NR_mmap2:
 | |
| #if defined(TARGET_SPARC)
 | |
| #define MMAP_SHIFT 12
 | |
| #else
 | |
| #define MMAP_SHIFT TARGET_PAGE_BITS
 | |
| #endif
 | |
|         ret = get_errno(target_mmap(arg1, arg2, arg3, 
 | |
|                                     target_to_host_bitmask(arg4, mmap_flags_tbl), 
 | |
|                                     arg5,
 | |
|                                     arg6 << MMAP_SHIFT));
 | |
|         break;
 | |
|     case TARGET_NR_munmap:
 | |
|         ret = get_errno(target_munmap(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_mprotect:
 | |
|         ret = get_errno(target_mprotect(arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_mremap:
 | |
|         ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
 | |
|         break;
 | |
|     case TARGET_NR_msync:
 | |
|         ret = get_errno(msync((void *)arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_mlock:
 | |
|         ret = get_errno(mlock((void *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_munlock:
 | |
|         ret = get_errno(munlock((void *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_mlockall:
 | |
|         ret = get_errno(mlockall(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_munlockall:
 | |
|         ret = get_errno(munlockall());
 | |
|         break;
 | |
|     case TARGET_NR_truncate:
 | |
|         ret = get_errno(truncate((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_ftruncate:
 | |
|         ret = get_errno(ftruncate(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_fchmod:
 | |
|         ret = get_errno(fchmod(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_getpriority:
 | |
|         ret = get_errno(getpriority(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_setpriority:
 | |
|         ret = get_errno(setpriority(arg1, arg2, arg3));
 | |
|         break;
 | |
| #ifdef TARGET_NR_profil
 | |
|     case TARGET_NR_profil:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_statfs:
 | |
|         stfs = (void *)arg2;
 | |
|         ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
 | |
|     convert_statfs:
 | |
|         if (!is_error(ret)) {
 | |
|             tswap32s(&stfs->f_type);
 | |
|             tswap32s(&stfs->f_bsize);
 | |
|             tswap32s(&stfs->f_blocks);
 | |
|             tswap32s(&stfs->f_bfree);
 | |
|             tswap32s(&stfs->f_bavail);
 | |
|             tswap32s(&stfs->f_files);
 | |
|             tswap32s(&stfs->f_ffree);
 | |
|             tswap32s(&stfs->f_fsid.val[0]);
 | |
|             tswap32s(&stfs->f_fsid.val[1]);
 | |
|             tswap32s(&stfs->f_namelen);
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_fstatfs:
 | |
|         stfs = (void *)arg2;
 | |
|         ret = get_errno(sys_fstatfs(arg1, stfs));
 | |
|         goto convert_statfs;
 | |
| #ifdef TARGET_NR_ioperm
 | |
|     case TARGET_NR_ioperm:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_socketcall:
 | |
|         ret = do_socketcall(arg1, (int32_t *)arg2);
 | |
|         break;
 | |
|     case TARGET_NR_syslog:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_setitimer:
 | |
|         {
 | |
|             struct target_itimerval *target_value = (void *)arg2;
 | |
|             struct target_itimerval *target_ovalue = (void *)arg3;
 | |
|             struct itimerval value, ovalue, *pvalue;
 | |
| 
 | |
|             if (target_value) {
 | |
|                 pvalue = &value;
 | |
|                 target_to_host_timeval(&pvalue->it_interval, 
 | |
|                                        &target_value->it_interval);
 | |
|                 target_to_host_timeval(&pvalue->it_value, 
 | |
|                                        &target_value->it_value);
 | |
|             } else {
 | |
|                 pvalue = NULL;
 | |
|             }
 | |
|             ret = get_errno(setitimer(arg1, pvalue, &ovalue));
 | |
|             if (!is_error(ret) && target_ovalue) {
 | |
|                 host_to_target_timeval(&target_ovalue->it_interval, 
 | |
|                                        &ovalue.it_interval);
 | |
|                 host_to_target_timeval(&target_ovalue->it_value, 
 | |
|                                        &ovalue.it_value);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_getitimer:
 | |
|         {
 | |
|             struct target_itimerval *target_value = (void *)arg2;
 | |
|             struct itimerval value;
 | |
|             
 | |
|             ret = get_errno(getitimer(arg1, &value));
 | |
|             if (!is_error(ret) && target_value) {
 | |
|                 host_to_target_timeval(&target_value->it_interval, 
 | |
|                                        &value.it_interval);
 | |
|                 host_to_target_timeval(&target_value->it_value, 
 | |
|                                        &value.it_value);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_stat:
 | |
|         ret = get_errno(stat(path((const char *)arg1), &st));
 | |
|         goto do_stat;
 | |
|     case TARGET_NR_lstat:
 | |
|         ret = get_errno(lstat(path((const char *)arg1), &st));
 | |
|         goto do_stat;
 | |
|     case TARGET_NR_fstat:
 | |
|         {
 | |
|             ret = get_errno(fstat(arg1, &st));
 | |
|         do_stat:
 | |
|             if (!is_error(ret)) {
 | |
|                 struct target_stat *target_st = (void *)arg2;
 | |
|                 target_st->st_dev = tswap16(st.st_dev);
 | |
|                 target_st->st_ino = tswapl(st.st_ino);
 | |
| #if defined(TARGET_PPC)
 | |
|                 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
 | |
|                 target_st->st_uid = tswap32(st.st_uid);
 | |
|                 target_st->st_gid = tswap32(st.st_gid);
 | |
| #else
 | |
|                 target_st->st_mode = tswap16(st.st_mode);
 | |
|                 target_st->st_uid = tswap16(st.st_uid);
 | |
|                 target_st->st_gid = tswap16(st.st_gid);
 | |
| #endif
 | |
|                 target_st->st_nlink = tswap16(st.st_nlink);
 | |
|                 target_st->st_rdev = tswap16(st.st_rdev);
 | |
|                 target_st->st_size = tswapl(st.st_size);
 | |
|                 target_st->st_blksize = tswapl(st.st_blksize);
 | |
|                 target_st->st_blocks = tswapl(st.st_blocks);
 | |
|                 target_st->target_st_atime = tswapl(st.st_atime);
 | |
|                 target_st->target_st_mtime = tswapl(st.st_mtime);
 | |
|                 target_st->target_st_ctime = tswapl(st.st_ctime);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
| #ifdef TARGET_NR_olduname
 | |
|     case TARGET_NR_olduname:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_iopl
 | |
|     case TARGET_NR_iopl:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_vhangup:
 | |
|         ret = get_errno(vhangup());
 | |
|         break;
 | |
| #ifdef TARGET_NR_idle
 | |
|     case TARGET_NR_idle:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_wait4:
 | |
|         {
 | |
|             int status;
 | |
|             target_long *status_ptr = (void *)arg2;
 | |
|             struct rusage rusage, *rusage_ptr;
 | |
|             struct target_rusage *target_rusage = (void *)arg4;
 | |
|             if (target_rusage)
 | |
|                 rusage_ptr = &rusage;
 | |
|             else
 | |
|                 rusage_ptr = NULL;
 | |
|             ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
 | |
|             if (!is_error(ret)) {
 | |
|                 if (status_ptr)
 | |
|                     *status_ptr = tswap32(status);
 | |
|                 if (target_rusage) {
 | |
|                     host_to_target_rusage(target_rusage, &rusage);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_swapoff:
 | |
|         ret = get_errno(swapoff((const char *)arg1));
 | |
|         break;
 | |
|     case TARGET_NR_sysinfo:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_ipc:
 | |
| 	ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
 | |
| 	break;
 | |
|     case TARGET_NR_fsync:
 | |
|         ret = get_errno(fsync(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_clone:
 | |
|         ret = get_errno(do_fork(cpu_env, arg1, arg2));
 | |
|         break;
 | |
| #ifdef __NR_exit_group
 | |
|         /* new thread calls */
 | |
|     case TARGET_NR_exit_group:
 | |
|         ret = get_errno(exit_group(arg1));
 | |
|         break;
 | |
| #endif
 | |
|     case TARGET_NR_setdomainname:
 | |
|         ret = get_errno(setdomainname((const char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_uname:
 | |
|         /* no need to transcode because we use the linux syscall */
 | |
|         ret = get_errno(sys_uname((struct new_utsname *)arg1));
 | |
|         break;
 | |
| #ifdef TARGET_I386
 | |
|     case TARGET_NR_modify_ldt:
 | |
|         ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_vm86old:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_vm86:
 | |
|         ret = do_vm86(cpu_env, arg1, (void *)arg2);
 | |
|         break;
 | |
| #endif
 | |
|     case TARGET_NR_adjtimex:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_create_module:
 | |
|     case TARGET_NR_init_module:
 | |
|     case TARGET_NR_delete_module:
 | |
|     case TARGET_NR_get_kernel_syms:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_quotactl:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_getpgid:
 | |
|         ret = get_errno(getpgid(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_fchdir:
 | |
|         ret = get_errno(fchdir(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_bdflush:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_sysfs:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_personality:
 | |
|         ret = get_errno(personality(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_afs_syscall:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR__llseek:
 | |
|         {
 | |
| #if defined (__x86_64__)
 | |
|             ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
 | |
|             *(int64_t *)arg4 = ret;
 | |
| #else
 | |
|             int64_t res;
 | |
|             ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
 | |
|             *(int64_t *)arg4 = tswap64(res);
 | |
| #endif
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_getdents:
 | |
| #if TARGET_LONG_SIZE != 4
 | |
| #error not supported
 | |
| #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
 | |
|         {
 | |
|             struct target_dirent *target_dirp = (void *)arg2;
 | |
|             struct dirent *dirp;
 | |
|             long count = arg3;
 | |
| 
 | |
| 	    dirp = malloc(count);
 | |
| 	    if (!dirp)
 | |
|                 return -ENOMEM;
 | |
|             
 | |
|             ret = get_errno(sys_getdents(arg1, dirp, count));
 | |
|             if (!is_error(ret)) {
 | |
|                 struct dirent *de;
 | |
| 		struct target_dirent *tde;
 | |
|                 int len = ret;
 | |
|                 int reclen, treclen;
 | |
| 		int count1, tnamelen;
 | |
| 
 | |
| 		count1 = 0;
 | |
|                 de = dirp;
 | |
| 		tde = target_dirp;
 | |
|                 while (len > 0) {
 | |
|                     reclen = de->d_reclen;
 | |
| 		    treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
 | |
|                     tde->d_reclen = tswap16(treclen);
 | |
|                     tde->d_ino = tswapl(de->d_ino);
 | |
|                     tde->d_off = tswapl(de->d_off);
 | |
| 		    tnamelen = treclen - (2 * sizeof(target_long) + 2);
 | |
| 		    if (tnamelen > 256)
 | |
|                         tnamelen = 256;
 | |
| 		    strncpy(tde->d_name, de->d_name, tnamelen);
 | |
|                     de = (struct dirent *)((char *)de + reclen);
 | |
|                     len -= reclen;
 | |
|                     tde = (struct dirent *)((char *)tde + treclen);
 | |
| 		    count1 += treclen;
 | |
|                 }
 | |
| 		ret = count1;
 | |
|             }
 | |
| 	    free(dirp);
 | |
|         }
 | |
| #else
 | |
|         {
 | |
|             struct dirent *dirp = (void *)arg2;
 | |
|             long count = arg3;
 | |
| 
 | |
|             ret = get_errno(sys_getdents(arg1, dirp, count));
 | |
|             if (!is_error(ret)) {
 | |
|                 struct dirent *de;
 | |
|                 int len = ret;
 | |
|                 int reclen;
 | |
|                 de = dirp;
 | |
|                 while (len > 0) {
 | |
|                     reclen = de->d_reclen;
 | |
|                     if (reclen > len)
 | |
|                         break;
 | |
|                     de->d_reclen = tswap16(reclen);
 | |
|                     tswapls(&de->d_ino);
 | |
|                     tswapls(&de->d_off);
 | |
|                     de = (struct dirent *)((char *)de + reclen);
 | |
|                     len -= reclen;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| #endif
 | |
|         break;
 | |
| #ifdef TARGET_NR_getdents64
 | |
|     case TARGET_NR_getdents64:
 | |
|         {
 | |
|             struct dirent64 *dirp = (void *)arg2;
 | |
|             long count = arg3;
 | |
|             ret = get_errno(sys_getdents64(arg1, dirp, count));
 | |
|             if (!is_error(ret)) {
 | |
|                 struct dirent64 *de;
 | |
|                 int len = ret;
 | |
|                 int reclen;
 | |
|                 de = dirp;
 | |
|                 while (len > 0) {
 | |
|                     reclen = de->d_reclen;
 | |
|                     if (reclen > len)
 | |
|                         break;
 | |
|                     de->d_reclen = tswap16(reclen);
 | |
|                     tswap64s(&de->d_ino);
 | |
|                     tswap64s(&de->d_off);
 | |
|                     de = (struct dirent64 *)((char *)de + reclen);
 | |
|                     len -= reclen;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
| #endif /* TARGET_NR_getdents64 */
 | |
|     case TARGET_NR__newselect:
 | |
|         ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 
 | |
|                         (void *)arg5);
 | |
|         break;
 | |
|     case TARGET_NR_poll:
 | |
|         {
 | |
|             struct target_pollfd *target_pfd = (void *)arg1;
 | |
|             unsigned int nfds = arg2;
 | |
|             int timeout = arg3;
 | |
|             struct pollfd *pfd;
 | |
|             unsigned int i;
 | |
| 
 | |
|             pfd = alloca(sizeof(struct pollfd) * nfds);
 | |
|             for(i = 0; i < nfds; i++) {
 | |
|                 pfd[i].fd = tswap32(target_pfd[i].fd);
 | |
|                 pfd[i].events = tswap16(target_pfd[i].events);
 | |
|             }
 | |
|             ret = get_errno(poll(pfd, nfds, timeout));
 | |
|             if (!is_error(ret)) {
 | |
|                 for(i = 0; i < nfds; i++) {
 | |
|                     target_pfd[i].revents = tswap16(pfd[i].revents);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_flock:
 | |
|         /* NOTE: the flock constant seems to be the same for every
 | |
|            Linux platform */
 | |
|         ret = get_errno(flock(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_readv:
 | |
|         {
 | |
|             int count = arg3;
 | |
|             int i;
 | |
|             struct iovec *vec;
 | |
|             struct target_iovec *target_vec = (void *)arg2;
 | |
| 
 | |
|             vec = alloca(count * sizeof(struct iovec));
 | |
|             for(i = 0;i < count; i++) {
 | |
|                 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
 | |
|                 vec[i].iov_len = tswapl(target_vec[i].iov_len);
 | |
|             }
 | |
|             ret = get_errno(readv(arg1, vec, count));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_writev:
 | |
|         {
 | |
|             int count = arg3;
 | |
|             int i;
 | |
|             struct iovec *vec;
 | |
|             struct target_iovec *target_vec = (void *)arg2;
 | |
| 
 | |
|             vec = alloca(count * sizeof(struct iovec));
 | |
|             for(i = 0;i < count; i++) {
 | |
|                 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
 | |
|                 vec[i].iov_len = tswapl(target_vec[i].iov_len);
 | |
|             }
 | |
|             ret = get_errno(writev(arg1, vec, count));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_getsid:
 | |
|         ret = get_errno(getsid(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_fdatasync:
 | |
|         ret = get_errno(fdatasync(arg1));
 | |
|         break;
 | |
|     case TARGET_NR__sysctl:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_sched_setparam:
 | |
|         {
 | |
|             struct sched_param *target_schp = (void *)arg2;
 | |
|             struct sched_param schp;
 | |
|             schp.sched_priority = tswap32(target_schp->sched_priority);
 | |
|             ret = get_errno(sched_setparam(arg1, &schp));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sched_getparam:
 | |
|         {
 | |
|             struct sched_param *target_schp = (void *)arg2;
 | |
|             struct sched_param schp;
 | |
|             ret = get_errno(sched_getparam(arg1, &schp));
 | |
|             if (!is_error(ret)) {
 | |
|                 target_schp->sched_priority = tswap32(schp.sched_priority);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sched_setscheduler:
 | |
|         {
 | |
|             struct sched_param *target_schp = (void *)arg3;
 | |
|             struct sched_param schp;
 | |
|             schp.sched_priority = tswap32(target_schp->sched_priority);
 | |
|             ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_sched_getscheduler:
 | |
|         ret = get_errno(sched_getscheduler(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_sched_yield:
 | |
|         ret = get_errno(sched_yield());
 | |
|         break;
 | |
|     case TARGET_NR_sched_get_priority_max:
 | |
|         ret = get_errno(sched_get_priority_max(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_sched_get_priority_min:
 | |
|         ret = get_errno(sched_get_priority_min(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_sched_rr_get_interval:
 | |
|         {
 | |
|             struct target_timespec *target_ts = (void *)arg2;
 | |
|             struct timespec ts;
 | |
|             ret = get_errno(sched_rr_get_interval(arg1, &ts));
 | |
|             if (!is_error(ret)) {
 | |
|                 target_ts->tv_sec = tswapl(ts.tv_sec);
 | |
|                 target_ts->tv_nsec = tswapl(ts.tv_nsec);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_nanosleep:
 | |
|         {
 | |
|             struct target_timespec *target_req = (void *)arg1;
 | |
|             struct target_timespec *target_rem = (void *)arg2;
 | |
|             struct timespec req, rem;
 | |
|             req.tv_sec = tswapl(target_req->tv_sec);
 | |
|             req.tv_nsec = tswapl(target_req->tv_nsec);
 | |
|             ret = get_errno(nanosleep(&req, &rem));
 | |
|             if (is_error(ret) && target_rem) {
 | |
|                 target_rem->tv_sec = tswapl(rem.tv_sec);
 | |
|                 target_rem->tv_nsec = tswapl(rem.tv_nsec);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_query_module:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_nfsservctl:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_prctl:
 | |
|         goto unimplemented;
 | |
| #ifdef TARGET_NR_pread
 | |
|     case TARGET_NR_pread:
 | |
|         page_unprotect_range((void *)arg2, arg3);
 | |
|         ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
 | |
|         break;
 | |
|     case TARGET_NR_pwrite:
 | |
|         ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
 | |
|         break;
 | |
| #endif
 | |
|     case TARGET_NR_getcwd:
 | |
|         ret = get_errno(sys_getcwd1((char *)arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_capget:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_capset:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_sigaltstack:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_sendfile:
 | |
|         goto unimplemented;
 | |
| #ifdef TARGET_NR_getpmsg
 | |
|     case TARGET_NR_getpmsg:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_putpmsg
 | |
|     case TARGET_NR_putpmsg:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
|     case TARGET_NR_vfork:
 | |
|         ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
 | |
|         break;
 | |
| #ifdef TARGET_NR_ugetrlimit
 | |
|     case TARGET_NR_ugetrlimit:
 | |
|     {
 | |
| 	struct rlimit rlim;
 | |
| 	ret = get_errno(getrlimit(arg1, &rlim));
 | |
| 	if (!is_error(ret)) {
 | |
| 	    struct target_rlimit *target_rlim = (void *)arg2;
 | |
| 	    target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
 | |
| 	    target_rlim->rlim_max = tswapl(rlim.rlim_max);
 | |
| 	}
 | |
| 	break;
 | |
|     }
 | |
| #endif
 | |
|     case TARGET_NR_truncate64:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_ftruncate64:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_stat64:
 | |
|         ret = get_errno(stat(path((const char *)arg1), &st));
 | |
|         goto do_stat64;
 | |
|     case TARGET_NR_lstat64:
 | |
|         ret = get_errno(lstat(path((const char *)arg1), &st));
 | |
|         goto do_stat64;
 | |
|     case TARGET_NR_fstat64:
 | |
|         {
 | |
|             ret = get_errno(fstat(arg1, &st));
 | |
|         do_stat64:
 | |
|             if (!is_error(ret)) {
 | |
|                 struct target_stat64 *target_st = (void *)arg2;
 | |
|                 memset(target_st, 0, sizeof(struct target_stat64));
 | |
|                 put_user(st.st_dev, &target_st->st_dev);
 | |
|                 put_user(st.st_ino, &target_st->st_ino);
 | |
| #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
 | |
|                 put_user(st.st_ino, &target_st->__st_ino);
 | |
| #endif
 | |
|                 put_user(st.st_mode, &target_st->st_mode);
 | |
|                 put_user(st.st_nlink, &target_st->st_nlink);
 | |
|                 put_user(st.st_uid, &target_st->st_uid);
 | |
|                 put_user(st.st_gid, &target_st->st_gid);
 | |
|                 put_user(st.st_rdev, &target_st->st_rdev);
 | |
|                 /* XXX: better use of kernel struct */
 | |
|                 put_user(st.st_size, &target_st->st_size);
 | |
|                 put_user(st.st_blksize, &target_st->st_blksize);
 | |
|                 put_user(st.st_blocks, &target_st->st_blocks);
 | |
|                 put_user(st.st_atime, &target_st->target_st_atime);
 | |
|                 put_user(st.st_mtime, &target_st->target_st_mtime);
 | |
|                 put_user(st.st_ctime, &target_st->target_st_ctime);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
| 
 | |
| #ifdef USE_UID16
 | |
|     case TARGET_NR_lchown:
 | |
|         ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
 | |
|         break;
 | |
|     case TARGET_NR_getuid:
 | |
|         ret = get_errno(high2lowuid(getuid()));
 | |
|         break;
 | |
|     case TARGET_NR_getgid:
 | |
|         ret = get_errno(high2lowgid(getgid()));
 | |
|         break;
 | |
|     case TARGET_NR_geteuid:
 | |
|         ret = get_errno(high2lowuid(geteuid()));
 | |
|         break;
 | |
|     case TARGET_NR_getegid:
 | |
|         ret = get_errno(high2lowgid(getegid()));
 | |
|         break;
 | |
|     case TARGET_NR_setreuid:
 | |
|         ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
 | |
|         break;
 | |
|     case TARGET_NR_setregid:
 | |
|         ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
 | |
|         break;
 | |
|     case TARGET_NR_getgroups:
 | |
|         {
 | |
|             int gidsetsize = arg1;
 | |
|             uint16_t *target_grouplist = (void *)arg2;
 | |
|             gid_t *grouplist;
 | |
|             int i;
 | |
| 
 | |
|             grouplist = alloca(gidsetsize * sizeof(gid_t));
 | |
|             ret = get_errno(getgroups(gidsetsize, grouplist));
 | |
|             if (!is_error(ret)) {
 | |
|                 for(i = 0;i < gidsetsize; i++)
 | |
|                     target_grouplist[i] = tswap16(grouplist[i]);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_setgroups:
 | |
|         {
 | |
|             int gidsetsize = arg1;
 | |
|             uint16_t *target_grouplist = (void *)arg2;
 | |
|             gid_t *grouplist;
 | |
|             int i;
 | |
| 
 | |
|             grouplist = alloca(gidsetsize * sizeof(gid_t));
 | |
|             for(i = 0;i < gidsetsize; i++)
 | |
|                 grouplist[i] = tswap16(target_grouplist[i]);
 | |
|             ret = get_errno(setgroups(gidsetsize, grouplist));
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_fchown:
 | |
|         ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
 | |
|         break;
 | |
| #ifdef TARGET_NR_setresuid
 | |
|     case TARGET_NR_setresuid:
 | |
|         ret = get_errno(setresuid(low2highuid(arg1), 
 | |
|                                   low2highuid(arg2), 
 | |
|                                   low2highuid(arg3)));
 | |
|         break;
 | |
| #endif
 | |
| #ifdef TARGET_NR_getresuid
 | |
|     case TARGET_NR_getresuid:
 | |
|         {
 | |
|             int ruid, euid, suid;
 | |
|             ret = get_errno(getresuid(&ruid, &euid, &suid));
 | |
|             if (!is_error(ret)) {
 | |
|                 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
 | |
|                 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
 | |
|                 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
| #endif
 | |
| #ifdef TARGET_NR_getresgid
 | |
|     case TARGET_NR_setresgid:
 | |
|         ret = get_errno(setresgid(low2highgid(arg1), 
 | |
|                                   low2highgid(arg2), 
 | |
|                                   low2highgid(arg3)));
 | |
|         break;
 | |
| #endif
 | |
| #ifdef TARGET_NR_getresgid
 | |
|     case TARGET_NR_getresgid:
 | |
|         {
 | |
|             int rgid, egid, sgid;
 | |
|             ret = get_errno(getresgid(&rgid, &egid, &sgid));
 | |
|             if (!is_error(ret)) {
 | |
|                 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
 | |
|                 *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
 | |
|                 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
| #endif
 | |
|     case TARGET_NR_chown:
 | |
|         ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
 | |
|         break;
 | |
|     case TARGET_NR_setuid:
 | |
|         ret = get_errno(setuid(low2highuid(arg1)));
 | |
|         break;
 | |
|     case TARGET_NR_setgid:
 | |
|         ret = get_errno(setgid(low2highgid(arg1)));
 | |
|         break;
 | |
|     case TARGET_NR_setfsuid:
 | |
|         ret = get_errno(setfsuid(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_setfsgid:
 | |
|         ret = get_errno(setfsgid(arg1));
 | |
|         break;
 | |
| #endif /* USE_UID16 */
 | |
| 
 | |
|     case TARGET_NR_lchown32:
 | |
|         ret = get_errno(lchown((const char *)arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_getuid32:
 | |
|         ret = get_errno(getuid());
 | |
|         break;
 | |
|     case TARGET_NR_getgid32:
 | |
|         ret = get_errno(getgid());
 | |
|         break;
 | |
|     case TARGET_NR_geteuid32:
 | |
|         ret = get_errno(geteuid());
 | |
|         break;
 | |
|     case TARGET_NR_getegid32:
 | |
|         ret = get_errno(getegid());
 | |
|         break;
 | |
|     case TARGET_NR_setreuid32:
 | |
|         ret = get_errno(setreuid(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_setregid32:
 | |
|         ret = get_errno(setregid(arg1, arg2));
 | |
|         break;
 | |
|     case TARGET_NR_getgroups32:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_setgroups32:
 | |
|         goto unimplemented;
 | |
|     case TARGET_NR_fchown32:
 | |
|         ret = get_errno(fchown(arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_setresuid32:
 | |
|         ret = get_errno(setresuid(arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_getresuid32:
 | |
|         {
 | |
|             int ruid, euid, suid;
 | |
|             ret = get_errno(getresuid(&ruid, &euid, &suid));
 | |
|             if (!is_error(ret)) {
 | |
|                 *(uint32_t *)arg1 = tswap32(ruid);
 | |
|                 *(uint32_t *)arg2 = tswap32(euid);
 | |
|                 *(uint32_t *)arg3 = tswap32(suid);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_setresgid32:
 | |
|         ret = get_errno(setresgid(arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_getresgid32:
 | |
|         {
 | |
|             int rgid, egid, sgid;
 | |
|             ret = get_errno(getresgid(&rgid, &egid, &sgid));
 | |
|             if (!is_error(ret)) {
 | |
|                 *(uint32_t *)arg1 = tswap32(rgid);
 | |
|                 *(uint32_t *)arg2 = tswap32(egid);
 | |
|                 *(uint32_t *)arg3 = tswap32(sgid);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
|     case TARGET_NR_chown32:
 | |
|         ret = get_errno(chown((const char *)arg1, arg2, arg3));
 | |
|         break;
 | |
|     case TARGET_NR_setuid32:
 | |
|         ret = get_errno(setuid(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_setgid32:
 | |
|         ret = get_errno(setgid(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_setfsuid32:
 | |
|         ret = get_errno(setfsuid(arg1));
 | |
|         break;
 | |
|     case TARGET_NR_setfsgid32:
 | |
|         ret = get_errno(setfsgid(arg1));
 | |
|         break;
 | |
| 
 | |
|     case TARGET_NR_pivot_root:
 | |
|         goto unimplemented;
 | |
| #ifdef TARGET_NR_mincore
 | |
|     case TARGET_NR_mincore:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_madvise
 | |
|     case TARGET_NR_madvise:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #if TARGET_LONG_BITS == 32
 | |
|     case TARGET_NR_fcntl64:
 | |
|     {
 | |
| 	struct flock64 fl;
 | |
| 	struct target_flock64 *target_fl = (void *)arg3;
 | |
| 
 | |
|         switch(arg2) {
 | |
|         case F_GETLK64:
 | |
|             ret = get_errno(fcntl(arg1, arg2, &fl));
 | |
| 	    if (ret == 0) {
 | |
| 		target_fl->l_type = tswap16(fl.l_type);
 | |
| 		target_fl->l_whence = tswap16(fl.l_whence);
 | |
| 		target_fl->l_start = tswap64(fl.l_start);
 | |
| 		target_fl->l_len = tswap64(fl.l_len);
 | |
| 		target_fl->l_pid = tswapl(fl.l_pid);
 | |
| 	    }
 | |
| 	    break;
 | |
| 
 | |
|         case F_SETLK64:
 | |
|         case F_SETLKW64:
 | |
| 	    fl.l_type = tswap16(target_fl->l_type);
 | |
| 	    fl.l_whence = tswap16(target_fl->l_whence);
 | |
| 	    fl.l_start = tswap64(target_fl->l_start);
 | |
| 	    fl.l_len = tswap64(target_fl->l_len);
 | |
| 	    fl.l_pid = tswapl(target_fl->l_pid);
 | |
|             ret = get_errno(fcntl(arg1, arg2, &fl));
 | |
| 	    break;
 | |
|         default:
 | |
|             ret = get_errno(do_fcntl(arg1, arg2, arg3));
 | |
|             break;
 | |
|         }
 | |
| 	break;
 | |
|     }
 | |
| #endif
 | |
| #ifdef TARGET_NR_security
 | |
|     case TARGET_NR_security:
 | |
|         goto unimplemented;
 | |
| #endif
 | |
| #ifdef TARGET_NR_getpagesize
 | |
|     case TARGET_NR_getpagesize:
 | |
|         ret = TARGET_PAGE_SIZE;
 | |
|         break;
 | |
| #endif
 | |
|     case TARGET_NR_gettid:
 | |
|         ret = get_errno(gettid());
 | |
|         break;
 | |
|     case TARGET_NR_readahead:
 | |
|         goto unimplemented;
 | |
| #ifdef TARGET_NR_setxattr
 | |
|     case TARGET_NR_setxattr:
 | |
|     case TARGET_NR_lsetxattr:
 | |
|     case TARGET_NR_fsetxattr:
 | |
|     case TARGET_NR_getxattr:
 | |
|     case TARGET_NR_lgetxattr:
 | |
|     case TARGET_NR_fgetxattr:
 | |
|     case TARGET_NR_listxattr:
 | |
|     case TARGET_NR_llistxattr:
 | |
|     case TARGET_NR_flistxattr:
 | |
|     case TARGET_NR_removexattr:
 | |
|     case TARGET_NR_lremovexattr:
 | |
|     case TARGET_NR_fremovexattr:
 | |
|         goto unimplemented_nowarn;
 | |
| #endif
 | |
| #ifdef TARGET_NR_set_thread_area
 | |
|     case TARGET_NR_set_thread_area:
 | |
|     case TARGET_NR_get_thread_area:
 | |
|         goto unimplemented_nowarn;
 | |
| #endif
 | |
|     default:
 | |
|     unimplemented:
 | |
|         gemu_log("qemu: Unsupported syscall: %d\n", num);
 | |
|     unimplemented_nowarn:
 | |
|         ret = -ENOSYS;
 | |
|         break;
 | |
|     }
 | |
|  fail:
 | |
| #ifdef DEBUG
 | |
|     gemu_log(" = %ld\n", ret);
 | |
| #endif
 | |
|     return ret;
 | |
| }
 | |
| 
 |