tswap16s(&s->st_nlink);    tswap32s(&s->st_uid);    tswap32s(&s->st_gid);    tswap32s((uint32_t*)&s->st_rdev);    tswap32s((uint32_t*)&s->st_atimespec.tv_sec);    tswap32s((uint32_t*)&s->st_atimespec.tv_nsec);    tswap32s((uint32_t*)&s->st_mtimespec.tv_sec);    tswap32s((uint32_t*)&s->st_mtimespec.tv_nsec);    tswap32s((uint32_t*)&s->st_ctimespec.tv_sec);    tswap32s((uint32_t*)&s->st_ctimespec.tv_nsec);    tswap64s((uint64_t*)&s->st_size);    tswap64s((uint64_t*)&s->st_blocks);    tswap32s((uint32_t*)&s->st_blksize);    tswap32s(&s->st_flags);    tswap32s(&s->st_gen);}static inline void byteswap_dirents(struct dirent *d, int bytes){    char *b;    for( b = (char*)d; (int)b < (int)d+bytes; )    {        unsigned short s = ((struct dirent *)b)->d_reclen;        tswap32s(&((struct dirent *)b)->d_ino);        tswap16s(&((struct dirent *)b)->d_reclen);        if(s<=0)            break;        b += s;    }}static inline void byteswap_iovec(struct iovec *v, int n){    int i;    for(i = 0; i < n; i++)    {        tswap32s((uint32_t*)&v[i].iov_base);        tswap32s((uint32_t*)&v[i].iov_len);    }}static inline void byteswap_timeval(struct timeval *t){    tswap32s((uint32_t*)&t->tv_sec);    tswap32s((uint32_t*)&t->tv_usec);}long do_unix_syscall_indirect(void *cpu_env, int num);long do_sync();long do_exit(uint32_t arg1);long do_getlogin(char *out, uint32_t size);long do_open(char * arg1, uint32_t arg2, uint32_t arg3);long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3);long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3);long do_execve(char* arg1, char ** arg2, char ** arg3);long do_getgroups(uint32_t arg1, gid_t * arg2);long do_gettimeofday(struct timeval * arg1, void * arg2);long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3);long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3);long do_utimes(char * arg1, struct timeval * arg2);long do_futimes(uint32_t arg1, struct timeval * arg2);long do_statfs(char * arg1, struct statfs * arg2);long do_fstatfs(uint32_t arg1, struct statfs * arg2);long do_stat(char * arg1, struct stat * arg2);long do_fstat(uint32_t arg1, struct stat * arg2);long do_lstat(char * arg1, struct stat * arg2);long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4);long do_lseek(void *cpu_env, int num);long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen  /* ignored */);long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5);long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8);long do_fcntl(int fd, int cmd, int arg);long no_syscall(void *cpu_env, int num);long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4){    DPRINTF("0x%x, %p, 0x%lx, 0x%llx\n", arg1, arg2, arg3, arg4);    long ret = pread(arg1, arg2, arg3, arg4);    return ret;}long do_read(int d, void *buf, size_t nbytes){    DPRINTF("0x%x, %p, 0x%lx\n", d, buf, nbytes);    long ret = get_errno(read(d, buf, nbytes));    if(!is_error(ret))        DPRINTF("%x\n", *(uint32_t*)buf);    return ret;}long unimpl_unix_syscall(void *cpu_env, int num);typedef long (*syscall_function_t)(void *cpu_env, int num);/* define a table that will handle the syscall number->function association */#define VOID    void#define INT     (uint32_t)get_int_arg(&i, cpu_env)#define INT64   (uint64_t)get_int64_arg(&i, cpu_env)#define UINT    (unsigned int)INT#define PTR     (void*)INT#define SIZE    INT#define OFFSET  INT64#define WRAPPER_CALL_DIRECT_0(function, args) long __qemu_##function(void *cpu_env) {  return (long)function(); }#define WRAPPER_CALL_DIRECT_1(function, _arg1) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1;  return (long)function(arg1); }#define WRAPPER_CALL_DIRECT_2(function, _arg1, _arg2) long __qemu_##function(void *cpu_env) { int i = 0;  typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; return (long)function(arg1, arg2); }#define WRAPPER_CALL_DIRECT_3(function, _arg1, _arg2, _arg3) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; return (long)function(arg1, arg2, arg3); }#define WRAPPER_CALL_DIRECT_4(function, _arg1, _arg2, _arg3, _arg4) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; return (long)function(arg1, arg2, arg3, arg4); }#define WRAPPER_CALL_DIRECT_5(function, _arg1, _arg2, _arg3, _arg4, _arg5) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5;  return (long)function(arg1, arg2, arg3, arg4, arg5); }#define WRAPPER_CALL_DIRECT_6(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6;  return (long)function(arg1, arg2, arg3, arg4, arg5, arg6); }#define WRAPPER_CALL_DIRECT_7(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7); }#define WRAPPER_CALL_DIRECT_8(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7, _arg8) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; typeof(_arg8) arg8 = _arg8;  return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); }#define WRAPPER_CALL_DIRECT(function, nargs, args...) WRAPPER_CALL_DIRECT_##nargs(function, args)#define WRAPPER_CALL_NOERRNO(function, nargs, args...)  WRAPPER_CALL_DIRECT(function, nargs, args)#define WRAPPER_CALL_INDIRECT(function, nargs, args...)#define ENTRY(name, number, function, nargs, call_type, args...)  WRAPPER_##call_type(function, nargs, args)#include "syscalls.h"#undef ENTRY#undef WRAPPER_CALL_DIRECT#undef WRAPPER_CALL_NOERRNO#undef WRAPPER_CALL_INDIRECT#undef OFFSET#undef SIZE#undef INT#undef PTR#undef INT64#define _ENTRY(name, number, function, nargs, call_type) [number] = {\        name, \        number, \        (syscall_function_t)function, \        nargs, \        call_type  \        },#define ENTRY_CALL_DIRECT(name, number, function, nargs, call_type)  _ENTRY(name, number, __qemu_##function, nargs, call_type)#define ENTRY_CALL_NOERRNO(name, number, function, nargs, call_type) ENTRY_CALL_DIRECT(name, number, function, nargs, call_type)#define ENTRY_CALL_INDIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, function, nargs, call_type)#define ENTRY(name, number, function, nargs, call_type, args...) ENTRY_##call_type(name, number, function, nargs, call_type)#define CALL_DIRECT 1#define CALL_INDIRECT 2#define CALL_NOERRNO  (CALL_DIRECT | 4 /* = 5 */)struct unix_syscall {    char * name;    int number;    syscall_function_t function;    int nargs;    int call_type;} unix_syscall_table[SYS_MAXSYSCALL] = {#include "syscalls.h"};#undef ENTRY#undef _ENTRY#undef ENTRY_CALL_DIRECT#undef ENTRY_CALL_INDIRECT#undef ENTRY_CALL_NOERRNO/* Actual syscalls implementation */long do_unix_syscall_indirect(void *cpu_env, int num){    long ret;    int new_num;    int i = 0;    new_num = get_int_arg(&i, cpu_env);#ifdef TARGET_I386    ((CPUX86State*)cpu_env)->regs[R_ESP] += 4;    /* XXX: not necessary */    ((CPUX86State*)cpu_env)->regs[R_EAX] = new_num;#elif TARGET_PPC    {        int i;        uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr;        for(i = 3; i < 11; i++)            *regs[i] = *regs[i+1];        /* XXX: not necessary */        *regs[0] = new_num;    }#endif    ret = do_unix_syscall(cpu_env, new_num);#ifdef TARGET_I386    ((CPUX86State*)cpu_env)->regs[R_ESP] -= 4;    /* XXX: not necessary */    ((CPUX86State*)cpu_env)->regs[R_EAX] = num;#elif TARGET_PPC    {        int i;        /* XXX: not really needed those regs are volatile accross calls */        uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr;        for(i = 11; i > 3; i--)            *regs[i] = *regs[i-1];        regs[3] = new_num;        *regs[0] = num;    }#endif    return ret;}long do_exit(uint32_t arg1){    exit(arg1);    /* not reached */    return -1;}long do_sync(){    sync();    return 0;}long do_getlogin(char *out, uint32_t size){    char *login = getlogin();    if(!login)        return -1;    memcpy(out, login, size);    return 0;}long do_open(char * arg1, uint32_t arg2, uint32_t arg3){    /* XXX: don't let the %s stay in there */    DPRINTF("open(%s, 0x%x, 0x%x)\n", arg1, arg2, arg3);    return get_errno(open(arg1, arg2, arg3));}long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3){    long ret;    DPRINTF("getfsstat(%p, 0x%x, 0x%x)\n", arg1, arg2, arg3);    ret = get_errno(getfsstat(arg1, arg2, arg3));    if((!is_error(ret)) && arg1)        byteswap_statfs(arg1);    return ret;}long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3){    long ret;    DPRINTF("sigprocmask(%d, %p, %p)\n", arg1, arg2, arg3);    gemu_log("XXX: sigprocmask not tested (%d, %p, %p)\n", arg1, arg2, arg3);    if(arg2)        tswap32s(arg2);    ret = get_errno(sigprocmask(arg1, (void *)arg2, (void *)arg3));    if((!is_error(ret)) && arg3)        tswap32s(arg3);    if(arg2)        tswap32s(arg2);    return ret;}long do_execve(char* arg1, char ** arg2, char ** arg3){    long ret;    char **argv = arg2;    char **envp = arg3;    int argc;    int envc;    /* XXX: don't let the %s stay in here */    DPRINTF("execve(%s, %p, %p)\n", arg1, arg2, arg3);    for(argc = 0; argv[argc]; argc++);    for(envc = 0; envp[envc]; envc++);    argv = (char**)malloc(sizeof(char*)*argc);    envp = (char**)malloc(sizeof(char*)*envc);    for(; argc >= 0; argc--)        argv[argc] = (char*)tswap32((uint32_t)(arg2)[argc]);    for(; envc >= 0; envc--)        envp[envc] = (char*)tswap32((uint32_t)(arg3)[envc]);    ret = get_errno(execve(arg1, argv, envp));    free(argv);    free(envp);    return ret;}long do_getgroups(uint32_t arg1, gid_t * arg2){    long ret;    int i;    DPRINTF("getgroups(0x%x, %p)\n", arg1, arg2);    ret = get_errno(getgroups(arg1, arg2));    if(ret > 0)        for(i = 0; i < arg1; i++)            tswap32s(&arg2[i]);    return ret;}long do_gettimeofday(struct timeval * arg1, void * arg2){    long ret;    DPRINTF("gettimeofday(%p, %p)\n",            arg1, arg2);    ret = get_errno(gettimeofday(arg1, arg2));    if(!is_error(ret))    {        /* timezone no longer used according to the manpage, so don't bother with it */        byteswap_timeval(arg1);    }    return ret;}long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3){    long ret;    DPRINTF("readv(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);    if(arg2)        byteswap_iovec(arg2, arg3);    ret = get_errno(readv(arg1, arg2, arg3));    if((!is_error(ret)) && arg2)        byteswap_iovec(arg2, arg3);    return ret;}long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3){    long ret;    DPRINTF("writev(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);    if(arg2)        byteswap_iovec(arg2, arg3);    ret = get_errno(writev(arg1, arg2, arg3));    if((!is_error(ret)) && arg2)        byteswap_iovec(arg2, arg3);    return ret;}long do_utimes(char * arg1, struct timeval * arg2){    DPRINTF("utimes(%p, %p)\n", arg1, arg2);    if(arg2)    {        byteswap_timeval(arg2);        byteswap_timeval(arg2+1);    }    return get_errno(utimes(arg1, arg2));}long do_futimes(uint32_t arg1, struct timeval * arg2){    DPRINTF("futimes(0x%x, %p)\n", arg1, arg2);    if(arg2)    {        byteswap_timeval(arg2);        byteswap_timeval(arg2+1);    }    return get_errno(futimes(arg1, arg2));}long do_statfs(char * arg1, struct statfs * arg2){    long ret;    DPRINTF("statfs(%p, %p)\n", arg1, arg2);    ret = get_errno(statfs(arg1, arg2));    if(!is_error(ret))        byteswap_statfs(arg2);    return ret;}long do_fstatfs(uint32_t arg1, struct statfs* arg2){    long ret;    DPRINTF("fstatfs(0x%x, %p)\n",            arg1, arg2);    ret = get_errno(fstatfs(arg1, arg2));    if(!is_error(ret))        byteswap_statfs(arg2);    return ret;}long do_stat(char * arg1, struct stat * arg2){    long ret;    /* XXX: don't let the %s stay in there */    DPRINTF("stat(%s, %p)\n", arg1, arg2);    ret = get_errno(stat(arg1, arg2));    if(!is_error(ret))        byteswap_stat(arg2);    return ret;