diff options
| -rw-r--r-- | linux-user/syscall.c | 218 |
1 files changed, 24 insertions, 194 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 4151c78622..cdd0c28fff 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -181,29 +181,14 @@ static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ #define __NR_sys_uname __NR_uname -#define __NR_sys_faccessat __NR_faccessat -#define __NR_sys_fchmodat __NR_fchmodat -#define __NR_sys_fchownat __NR_fchownat -#define __NR_sys_fstatat64 __NR_fstatat64 -#define __NR_sys_futimesat __NR_futimesat #define __NR_sys_getcwd1 __NR_getcwd #define __NR_sys_getdents __NR_getdents #define __NR_sys_getdents64 __NR_getdents64 #define __NR_sys_getpriority __NR_getpriority -#define __NR_sys_linkat __NR_linkat -#define __NR_sys_mkdirat __NR_mkdirat -#define __NR_sys_mknodat __NR_mknodat -#define __NR_sys_newfstatat __NR_newfstatat -#define __NR_sys_openat __NR_openat -#define __NR_sys_readlinkat __NR_readlinkat -#define __NR_sys_renameat __NR_renameat #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo -#define __NR_sys_symlinkat __NR_symlinkat #define __NR_sys_syslog __NR_syslog #define __NR_sys_tgkill __NR_tgkill #define __NR_sys_tkill __NR_tkill -#define __NR_sys_unlinkat __NR_unlinkat -#define __NR_sys_utimensat __NR_utimensat #define __NR_sys_futex __NR_futex #define __NR_sys_inotify_init __NR_inotify_init #define __NR_sys_inotify_add_watch __NR_inotify_add_watch @@ -339,72 +324,6 @@ static int sys_getcwd1(char *buf, size_t size) return strlen(buf)+1; } -#ifdef CONFIG_ATFILE -/* - * Host system seems to have atfile syscall stubs available. We - * now enable them one by one as specified by target syscall_nr.h. - */ - -#ifdef TARGET_NR_faccessat -static int sys_faccessat(int dirfd, const char *pathname, int mode) -{ - return (faccessat(dirfd, pathname, mode, 0)); -} -#endif -#ifdef TARGET_NR_fchmodat -static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode) -{ - return (fchmodat(dirfd, pathname, mode, 0)); -} -#endif -#if defined(TARGET_NR_fchownat) -static int sys_fchownat(int dirfd, const char *pathname, uid_t owner, - gid_t group, int flags) -{ - return (fchownat(dirfd, pathname, owner, group, flags)); -} -#endif -#ifdef __NR_fstatat64 -static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf, - int flags) -{ - return (fstatat(dirfd, pathname, buf, flags)); -} -#endif -#ifdef __NR_newfstatat -static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf, - int flags) -{ - return (fstatat(dirfd, pathname, buf, flags)); -} -#endif -#ifdef TARGET_NR_futimesat -static int sys_futimesat(int dirfd, const char *pathname, - const struct timeval times[2]) -{ - return (futimesat(dirfd, pathname, times)); -} -#endif -#ifdef TARGET_NR_linkat -static int sys_linkat(int olddirfd, const char *oldpath, - int newdirfd, const char *newpath, int flags) -{ - return (linkat(olddirfd, oldpath, newdirfd, newpath, flags)); -} -#endif -#ifdef TARGET_NR_mkdirat -static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode) -{ - return (mkdirat(dirfd, pathname, mode)); -} -#endif -#ifdef TARGET_NR_mknodat -static int sys_mknodat(int dirfd, const char *pathname, mode_t mode, - dev_t dev) -{ - return (mknodat(dirfd, pathname, mode, dev)); -} -#endif #ifdef TARGET_NR_openat static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) { @@ -418,91 +337,6 @@ static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) return (openat(dirfd, pathname, flags)); } #endif -#ifdef TARGET_NR_readlinkat -static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) -{ - return (readlinkat(dirfd, pathname, buf, bufsiz)); -} -#endif -#ifdef TARGET_NR_renameat -static int sys_renameat(int olddirfd, const char *oldpath, - int newdirfd, const char *newpath) -{ - return (renameat(olddirfd, oldpath, newdirfd, newpath)); -} -#endif -#ifdef TARGET_NR_symlinkat -static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath) -{ - return (symlinkat(oldpath, newdirfd, newpath)); -} -#endif -#ifdef TARGET_NR_unlinkat -static int sys_unlinkat(int dirfd, const char *pathname, int flags) -{ - return (unlinkat(dirfd, pathname, flags)); -} -#endif -#else /* !CONFIG_ATFILE */ - -/* - * Try direct syscalls instead - */ -#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) -_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode) -#endif -#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) -_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode) -#endif -#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) -_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, - uid_t,owner,gid_t,group,int,flags) -#endif -#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \ - defined(__NR_fstatat64) -_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, - struct stat *,buf,int,flags) -#endif -#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat) -_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, - const struct timeval *,times) -#endif -#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \ - defined(__NR_newfstatat) -_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, - struct stat *,buf,int,flags) -#endif -#if defined(TARGET_NR_linkat) && defined(__NR_linkat) -_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, - int,newdirfd,const char *,newpath,int,flags) -#endif -#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) -_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) -#endif -#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) -_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, - mode_t,mode,dev_t,dev) -#endif -#if defined(TARGET_NR_openat) && defined(__NR_openat) -_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) -#endif -#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) -_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, - char *,buf,size_t,bufsize) -#endif -#if defined(TARGET_NR_renameat) && defined(__NR_renameat) -_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, - int,newdirfd,const char *,newpath) -#endif -#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) -_syscall3(int,sys_symlinkat,const char *,oldpath, - int,newdirfd,const char *,newpath) -#endif -#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) -_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) -#endif - -#endif /* CONFIG_ATFILE */ #ifdef CONFIG_UTIMENSAT static int sys_utimensat(int dirfd, const char *pathname, @@ -5345,7 +5179,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } break; -#if defined(TARGET_NR_linkat) && defined(__NR_linkat) +#if defined(TARGET_NR_linkat) case TARGET_NR_linkat: { void * p2 = NULL; @@ -5356,7 +5190,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!p || !p2) ret = -TARGET_EFAULT; else - ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); + ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); unlock_user(p, arg2, 0); unlock_user(p2, arg4, 0); } @@ -5368,11 +5202,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(unlink(p)); unlock_user(p, arg1, 0); break; -#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) +#if defined(TARGET_NR_unlinkat) case TARGET_NR_unlinkat: if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_unlinkat(arg1, p, arg3)); + ret = get_errno(unlinkat(arg1, p, arg3)); unlock_user(p, arg2, 0); break; #endif @@ -5490,11 +5324,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(mknod(p, arg2, arg3)); unlock_user(p, arg1, 0); break; -#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) +#if defined(TARGET_NR_mknodat) case TARGET_NR_mknodat: if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); + ret = get_errno(mknodat(arg1, p, arg3, arg4)); unlock_user(p, arg2, 0); break; #endif @@ -5625,7 +5459,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } break; -#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat) +#if defined(TARGET_NR_futimesat) case TARGET_NR_futimesat: { struct timeval *tvp, tv[2]; @@ -5640,7 +5474,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_futimesat(arg1, path(p), tvp)); + ret = get_errno(futimesat(arg1, path(p), tvp)); unlock_user(p, arg2, 0); } break; @@ -5663,7 +5497,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_faccessat: if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_faccessat(arg1, p, arg3)); + ret = get_errno(faccessat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); break; #endif @@ -5696,7 +5530,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } break; -#if defined(TARGET_NR_renameat) && defined(__NR_renameat) +#if defined(TARGET_NR_renameat) case TARGET_NR_renameat: { void *p2; @@ -5705,7 +5539,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!p || !p2) ret = -TARGET_EFAULT; else - ret = get_errno(sys_renameat(arg1, p, arg3, p2)); + ret = get_errno(renameat(arg1, p, arg3, p2)); unlock_user(p2, arg4, 0); unlock_user(p, arg2, 0); } @@ -5717,11 +5551,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(mkdir(p, arg2)); unlock_user(p, arg1, 0); break; -#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) +#if defined(TARGET_NR_mkdirat) case TARGET_NR_mkdirat: if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_mkdirat(arg1, p, arg3)); + ret = get_errno(mkdirat(arg1, p, arg3)); unlock_user(p, arg2, 0); break; #endif @@ -6407,7 +6241,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } break; -#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) +#if defined(TARGET_NR_symlinkat) case TARGET_NR_symlinkat: { void *p2; @@ -6416,7 +6250,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!p || !p2) ret = -TARGET_EFAULT; else - ret = get_errno(sys_symlinkat(p, arg2, p2)); + ret = get_errno(symlinkat(p, arg2, p2)); unlock_user(p2, arg3, 0); unlock_user(p, arg1, 0); } @@ -6447,7 +6281,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } break; -#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) +#if defined(TARGET_NR_readlinkat) case TARGET_NR_readlinkat: { void *p2; @@ -6456,7 +6290,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!p || !p2) ret = -TARGET_EFAULT; else - ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); + ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); unlock_user(p2, arg3, ret); unlock_user(p, arg2, 0); } @@ -6591,11 +6425,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_fchmod: ret = get_errno(fchmod(arg1, arg2)); break; -#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) +#if defined(TARGET_NR_fchmodat) case TARGET_NR_fchmodat: if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_fchmodat(arg1, p, arg3)); + ret = get_errno(fchmodat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); break; #endif @@ -7739,8 +7573,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = host_to_target_stat64(cpu_env, arg2, &st); break; #endif -#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \ - (defined(__NR_fstatat64) || defined(__NR_newfstatat)) +#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) #ifdef TARGET_NR_fstatat64 case TARGET_NR_fstatat64: #endif @@ -7749,11 +7582,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #endif if (!(p = lock_user_string(arg2))) goto efault; -#ifdef __NR_fstatat64 - ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); -#else - ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); -#endif + ret = get_errno(fstatat(arg1, path(p), &st, arg4)); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg3, &st); break; @@ -7835,11 +7664,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_fchown: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); break; -#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) +#if defined(TARGET_NR_fchownat) case TARGET_NR_fchownat: if (!(p = lock_user_string(arg2))) goto efault; - ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); + ret = get_errno(fchownat(arg1, p, low2highuid(arg3), + low2highgid(arg4), arg5)); unlock_user(p, arg2, 0); break; #endif |