X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=linux-user%2Fsyscall.c;h=932fe4658d469dbd365ca4295d8dc75ecf48abec;hb=a1516e92b6ed887ef27f3a33a27a9acd772a5de4;hp=4842914109b0af4b8b18bdba5b6b914bdb390ea9;hpb=9af9eaaa76b9b1613d84cb3c0b7276984e441f83;p=qemu diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 4842914..932fe46 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -58,25 +58,16 @@ #include #include #include +#include #include "qemu.h" //#define DEBUG -#ifndef PAGE_SIZE -#define PAGE_SIZE 4096 -#define PAGE_MASK ~(PAGE_SIZE - 1) -#endif - //#include #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) -void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); -void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); -long do_sigreturn(CPUX86State *env); -long do_rt_sigreturn(CPUX86State *env); - #define __NR_sys_uname __NR_uname #define __NR_sys_getcwd1 __NR_getcwd #define __NR_sys_statfs __NR_statfs @@ -85,7 +76,7 @@ long do_rt_sigreturn(CPUX86State *env); #define __NR_sys_getdents64 __NR_getdents64 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo -#ifdef __alpha__ +#if defined(__alpha__) || defined (__ia64__) #define __NR__llseek __NR_lseek #endif @@ -105,6 +96,9 @@ _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf) _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf) _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) +#ifdef __NR_exit_group +_syscall1(int,exit_group,int,error_code) +#endif extern int personality(int); extern int flock(int, int); @@ -114,6 +108,7 @@ extern int setresuid(uid_t, uid_t, uid_t); extern int getresuid(uid_t *, uid_t *, uid_t *); extern int setresgid(gid_t, gid_t, gid_t); extern int getresgid(gid_t *, gid_t *, gid_t *); +extern int setgroups(int, gid_t *); static inline long get_errno(long ret) { @@ -148,7 +143,7 @@ static long do_brk(char *new_brk) if (new_brk < target_original_brk) return -ENOMEM; - brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK); + 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) { @@ -157,11 +152,10 @@ static long do_brk(char *new_brk) } /* We need to allocate more memory after the brk... */ - new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK; - mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size, - PROT_READ|PROT_WRITE, - MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); - + new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); + mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size, + PROT_READ|PROT_WRITE, + MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); if (is_error(mapped_addr)) { return mapped_addr; } else { @@ -216,6 +210,29 @@ static inline void host_to_target_fds(target_long *target_fds, #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) { @@ -680,8 +697,8 @@ enum { #undef STRUCT_SPECIAL typedef struct IOCTLEntry { - int target_cmd; - int host_cmd; + unsigned int target_cmd; + unsigned int host_cmd; const char *name; int access; const argtype arg_type[5]; @@ -693,7 +710,7 @@ typedef struct IOCTLEntry { #define MAX_STRUCT_SIZE 4096 -const IOCTLEntry ioctl_entries[] = { +IOCTLEntry ioctl_entries[] = { #define IOCTL(cmd, access, types...) \ { TARGET_ ## cmd, cmd, #cmd, access, { types } }, #include "ioctls.h" @@ -936,7 +953,19 @@ StructEntry struct_termios_def = { .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, }; -#ifdef TARGET_I386 +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 } +}; + +#if defined(TARGET_I386) /* NOTE: there is really one LDT for all the threads */ uint8_t *ldt_table; @@ -1025,7 +1054,7 @@ static int write_ldt(CPUX86State *env, 0x7000; if (!oldmode) entry_2 |= (useable << 20); - + /* Install the new entry ... */ install: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); @@ -1053,77 +1082,7 @@ int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount return ret; } -/* vm86 emulation */ - -#define SAFE_MASK (0xDD5) - -int do_vm86(CPUX86State *env, long subfunction, - struct target_vm86plus_struct * target_v86) -{ - TaskState *ts = env->opaque; - int ret; - - switch (subfunction) { - case TARGET_VM86_REQUEST_IRQ: - case TARGET_VM86_FREE_IRQ: - case TARGET_VM86_GET_IRQ_BITS: - case TARGET_VM86_GET_AND_RESET_IRQ: - gemu_log("qemu: unsupported vm86 subfunction (%ld)\n", subfunction); - ret = -EINVAL; - goto out; - case TARGET_VM86_PLUS_INSTALL_CHECK: - /* NOTE: on old vm86 stuff this will return the error - from verify_area(), because the subfunction is - interpreted as (invalid) address to vm86_struct. - So the installation check works. - */ - ret = 0; - goto out; - } - - ts->target_v86 = target_v86; - /* save current CPU regs */ - ts->vm86_saved_regs.eax = 0; /* default vm86 syscall return code */ - ts->vm86_saved_regs.ebx = env->regs[R_EBX]; - ts->vm86_saved_regs.ecx = env->regs[R_ECX]; - ts->vm86_saved_regs.edx = env->regs[R_EDX]; - ts->vm86_saved_regs.esi = env->regs[R_ESI]; - ts->vm86_saved_regs.edi = env->regs[R_EDI]; - ts->vm86_saved_regs.ebp = env->regs[R_EBP]; - ts->vm86_saved_regs.esp = env->regs[R_ESP]; - ts->vm86_saved_regs.eflags = env->eflags; - ts->vm86_saved_regs.eip = env->eip; - ts->vm86_saved_regs.cs = env->segs[R_CS]; - ts->vm86_saved_regs.ss = env->segs[R_SS]; - ts->vm86_saved_regs.ds = env->segs[R_DS]; - ts->vm86_saved_regs.es = env->segs[R_ES]; - ts->vm86_saved_regs.fs = env->segs[R_FS]; - ts->vm86_saved_regs.gs = env->segs[R_GS]; - - /* build vm86 CPU state */ - env->eflags = (env->eflags & ~SAFE_MASK) | - (tswap32(target_v86->regs.eflags) & SAFE_MASK) | VM_MASK; - - env->regs[R_EBX] = tswap32(target_v86->regs.ebx); - env->regs[R_ECX] = tswap32(target_v86->regs.ecx); - env->regs[R_EDX] = tswap32(target_v86->regs.edx); - env->regs[R_ESI] = tswap32(target_v86->regs.esi); - env->regs[R_EDI] = tswap32(target_v86->regs.edi); - env->regs[R_EBP] = tswap32(target_v86->regs.ebp); - env->regs[R_ESP] = tswap32(target_v86->regs.esp); - env->eip = tswap32(target_v86->regs.eip); - cpu_x86_load_seg(env, R_CS, tswap16(target_v86->regs.cs)); - cpu_x86_load_seg(env, R_SS, tswap16(target_v86->regs.ss)); - cpu_x86_load_seg(env, R_DS, tswap16(target_v86->regs.ds)); - cpu_x86_load_seg(env, R_ES, tswap16(target_v86->regs.es)); - cpu_x86_load_seg(env, R_FS, tswap16(target_v86->regs.fs)); - cpu_x86_load_seg(env, R_GS, tswap16(target_v86->regs.gs)); - ret = tswap32(target_v86->regs.eax); /* eax will be restored at - the end of the syscall */ - /* now the virtual CPU is ready for vm86 execution ! */ - out: - return ret; -} +#endif /* defined(TARGET_I386) */ /* this stack is the equivalent of the kernel stack associated with a thread/process */ @@ -1131,22 +1090,20 @@ int do_vm86(CPUX86State *env, long subfunction, static int clone_func(void *arg) { - CPUX86State *env = arg; + CPUState *env = arg; cpu_loop(env); /* never exits */ return 0; } -int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) +int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) { int ret; TaskState *ts; uint8_t *new_stack; - CPUX86State *new_env; + CPUState *new_env; if (flags & CLONE_VM) { - if (!newsp) - newsp = env->regs[R_ESP]; ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); memset(ts, 0, sizeof(TaskState)); new_stack = ts->stack; @@ -1155,12 +1112,27 @@ int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) ts->next = first_task_state; first_task_state = ts; /* we create a new CPU instance. */ - new_env = cpu_x86_init(); - memcpy(new_env, env, sizeof(CPUX86State)); + 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; +#else +#error unsupported target CPU +#endif new_env->opaque = ts; - ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); +#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) @@ -1170,7 +1142,48 @@ int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) return ret; } -#endif +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; + + default: + ret = fcntl(fd, cmd, arg); + break; + } + return ret; +} + #define high2lowuid(x) (x) #define high2lowgid(x) (x) @@ -1179,11 +1192,43 @@ int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) 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, @@ -1206,13 +1251,14 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 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((const char *)arg1, arg2, arg3)); + ret = get_errno(open(path((const char *)arg1), arg2, arg3)); break; case TARGET_NR_close: ret = get_errno(close(arg1)); @@ -1411,15 +1457,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, ret = do_ioctl(arg1, arg2, arg3); break; case TARGET_NR_fcntl: - switch(arg2) { - case F_GETLK: - case F_SETLK: - case F_SETLKW: - goto unimplemented; - default: - ret = get_errno(fcntl(arg1, arg2, arg3)); - break; - } + ret = get_errno(do_fcntl(arg1, arg2, arg3)); break; case TARGET_NR_mpx: goto unimplemented; @@ -1669,7 +1707,15 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, } break; case TARGET_NR_getrusage: - goto unimplemented; + { + 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; @@ -1689,18 +1735,52 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, } break; case TARGET_NR_getgroups: - goto unimplemented; + { + 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: - goto unimplemented; + { + 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_select: - goto unimplemented; + { + 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; case TARGET_NR_oldlstat: goto unimplemented; case TARGET_NR_readlink: - ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); + ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3)); break; case TARGET_NR_uselib: goto unimplemented; @@ -1711,8 +1791,8 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, goto unimplemented; case TARGET_NR_readdir: goto unimplemented; -#ifdef TARGET_I386 case TARGET_NR_mmap: +#if defined(TARGET_I386) || defined(TARGET_ARM) { uint32_t v1, v2, v3, v4, v5, v6, *vptr; vptr = (uint32_t *)arg1; @@ -1722,25 +1802,31 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, v4 = tswap32(vptr[3]); v5 = tswap32(vptr[4]); v6 = tswap32(vptr[5]); - ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); + ret = get_errno(target_mmap(v1, v2, v3, + target_to_host_bitmask(v4, mmap_flags_tbl), + v5, v6)); } - break; -#endif -#ifdef TARGET_I386 - case TARGET_NR_mmap2: #else - case TARGET_NR_mmap: + ret = get_errno(target_mmap(arg1, arg2, arg3, + target_to_host_bitmask(arg4, mmap_flags_tbl), + arg5, + arg6)); #endif - ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); + break; + case TARGET_NR_mmap2: + ret = get_errno(target_mmap(arg1, arg2, arg3, + target_to_host_bitmask(arg4, mmap_flags_tbl), + arg5, + arg6 << TARGET_PAGE_BITS)); break; case TARGET_NR_munmap: - ret = get_errno(munmap((void *)arg1, arg2)); + ret = get_errno(target_munmap(arg1, arg2)); break; case TARGET_NR_mprotect: - ret = get_errno(mprotect((void *)arg1, arg2, arg3)); + ret = get_errno(target_mprotect(arg1, arg2, arg3)); break; case TARGET_NR_mremap: - ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4)); + ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); break; case TARGET_NR_msync: ret = get_errno(msync((void *)arg1, arg2, arg3)); @@ -1779,7 +1865,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, goto unimplemented; case TARGET_NR_statfs: stfs = (void *)arg2; - ret = get_errno(sys_statfs((const char *)arg1, stfs)); + ret = get_errno(sys_statfs(path((const char *)arg1), stfs)); convert_statfs: if (!is_error(ret)) { tswap32s(&stfs->f_type); @@ -1844,10 +1930,10 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, } break; case TARGET_NR_stat: - ret = get_errno(stat((const char *)arg1, &st)); + ret = get_errno(stat(path((const char *)arg1), &st)); goto do_stat; case TARGET_NR_lstat: - ret = get_errno(lstat((const char *)arg1, &st)); + ret = get_errno(lstat(path((const char *)arg1), &st)); goto do_stat; case TARGET_NR_fstat: { @@ -1857,7 +1943,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, struct target_stat *target_st = (void *)arg2; target_st->st_dev = tswap16(st.st_dev); target_st->st_ino = tswapl(st.st_ino); - target_st->st_mode = tswap32(st.st_mode); + target_st->st_mode = tswap16(st.st_mode); target_st->st_nlink = tswap16(st.st_nlink); target_st->st_uid = tswap16(st.st_uid); target_st->st_gid = tswap16(st.st_gid); @@ -1895,24 +1981,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, if (status_ptr) *status_ptr = tswap32(status); if (target_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); + host_to_target_rusage(target_rusage, &rusage); } } } @@ -1930,6 +1999,12 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 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; @@ -1987,7 +2062,47 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, case TARGET_NR_getdents: #if TARGET_LONG_SIZE != 4 #error not supported -#endif +#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; @@ -2010,6 +2125,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, } } } +#endif break; case TARGET_NR_getdents64: { @@ -2204,9 +2320,12 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, case TARGET_NR_prctl: goto unimplemented; case TARGET_NR_pread: - goto unimplemented; + page_unprotect_range((void *)arg2, arg3); + ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); + break; case TARGET_NR_pwrite: - goto unimplemented; + ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); + break; case TARGET_NR_chown: ret = get_errno(chown((const char *)arg1, arg2, arg3)); break; @@ -2229,16 +2348,25 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); break; case TARGET_NR_ugetrlimit: - goto unimplemented; + { + 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; + } case TARGET_NR_truncate64: goto unimplemented; case TARGET_NR_ftruncate64: goto unimplemented; case TARGET_NR_stat64: - ret = get_errno(stat((const char *)arg1, &st)); + ret = get_errno(stat(path((const char *)arg1), &st)); goto do_stat64; case TARGET_NR_lstat64: - ret = get_errno(lstat((const char *)arg1, &st)); + ret = get_errno(lstat(path((const char *)arg1), &st)); goto do_stat64; case TARGET_NR_fstat64: { @@ -2246,15 +2374,19 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, do_stat64: if (!is_error(ret)) { struct target_stat64 *target_st = (void *)arg2; + memset(target_st, 0, sizeof(struct target_stat64)); target_st->st_dev = tswap16(st.st_dev); - target_st->st_ino = tswapl(st.st_ino); + target_st->st_ino = tswap64(st.st_ino); +#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO + target_st->__st_ino = tswapl(st.st_ino); +#endif target_st->st_mode = tswap32(st.st_mode); - target_st->st_nlink = tswap16(st.st_nlink); - target_st->st_uid = tswap16(st.st_uid); - target_st->st_gid = tswap16(st.st_gid); + target_st->st_nlink = tswap32(st.st_nlink); + target_st->st_uid = tswapl(st.st_uid); + target_st->st_gid = tswapl(st.st_gid); target_st->st_rdev = tswap16(st.st_rdev); /* XXX: better use of kernel struct */ - target_st->st_size = tswapl(st.st_size); + target_st->st_size = tswap64(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); @@ -2343,16 +2475,37 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, goto unimplemented; #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: - goto unimplemented; + 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(fcntl(arg1, arg2, arg3)); + ret = get_errno(do_fcntl(arg1, arg2, arg3)); break; } - break; + break; + } #endif case TARGET_NR_security: goto unimplemented;