diff options
Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/untrusted/file.c')
-rw-r--r-- | fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/untrusted/file.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/untrusted/file.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/untrusted/file.c new file mode 100644 index 000000000..cb9bf6a21 --- /dev/null +++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/untrusted/file.c @@ -0,0 +1,321 @@ +/* + * Copyright (C) 2019 Intel Corporation. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception + */ + +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/uio.h> +#include <fcntl.h> +#include <unistd.h> +#include <dirent.h> +#include <sched.h> +#include <poll.h> +#include <errno.h> + +int +ocall_open(const char *pathname, int flags, bool has_mode, unsigned mode) +{ + if (has_mode) { + return open(pathname, flags, (mode_t)mode); + } + else { + return open(pathname, flags); + } +} + +int +ocall_openat(int dirfd, const char *pathname, int flags, bool has_mode, + unsigned mode) +{ + if (has_mode) { + return openat(dirfd, pathname, flags, (mode_t)mode); + } + else { + return openat(dirfd, pathname, flags); + } +} + +int +ocall_close(int fd) +{ + return close(fd); +} + +ssize_t +ocall_read(int fd, void *buf, size_t read_size) +{ + if (buf != NULL) { + return read(fd, buf, read_size); + } + else { + return -1; + } +} + +off_t +ocall_lseek(int fd, off_t offset, int whence) +{ + return lseek(fd, offset, whence); +} + +int +ocall_ftruncate(int fd, off_t length) +{ + return ftruncate(fd, length); +} + +int +ocall_fsync(int fd) +{ + return fsync(fd); +} + +int +ocall_fdatasync(int fd) +{ + return fdatasync(fd); +} + +int +ocall_isatty(int fd) +{ + return isatty(fd); +} + +void +ocall_fdopendir(int fd, void **dirp) +{ + if (dirp) { + *(DIR **)dirp = fdopendir(fd); + } +} + +void * +ocall_readdir(void *dirp) +{ + DIR *p_dirp = (DIR *)dirp; + return readdir(p_dirp); +} + +void +ocall_rewinddir(void *dirp) +{ + DIR *p_dirp = (DIR *)dirp; + if (p_dirp) { + rewinddir(p_dirp); + } +} + +void +ocall_seekdir(void *dirp, long loc) +{ + DIR *p_dirp = (DIR *)dirp; + + if (p_dirp) { + seekdir(p_dirp, loc); + } +} + +long +ocall_telldir(void *dirp) +{ + DIR *p_dirp = (DIR *)dirp; + if (p_dirp) { + return telldir(p_dirp); + } + return -1; +} + +int +ocall_closedir(void *dirp) +{ + DIR *p_dirp = (DIR *)dirp; + if (p_dirp) { + return closedir(p_dirp); + } + return -1; +} + +int +ocall_stat(const char *pathname, void *buf, unsigned int buf_len) +{ + return stat(pathname, (struct stat *)buf); +} + +int +ocall_fstat(int fd, void *buf, unsigned int buf_len) +{ + return fstat(fd, (struct stat *)buf); +} + +int +ocall_fstatat(int dirfd, const char *pathname, void *buf, unsigned int buf_len, + int flags) +{ + return fstatat(dirfd, pathname, (struct stat *)buf, flags); +} + +int +ocall_mkdirat(int dirfd, const char *pathname, unsigned mode) +{ + return mkdirat(dirfd, pathname, (mode_t)mode); +} + +int +ocall_link(const char *oldpath, const char *newpath) +{ + return link(oldpath, newpath); +} + +int +ocall_linkat(int olddirfd, const char *oldpath, int newdirfd, + const char *newpath, int flags) +{ + return linkat(olddirfd, oldpath, newdirfd, newpath, flags); +} + +int +ocall_unlinkat(int dirfd, const char *pathname, int flags) +{ + return unlinkat(dirfd, pathname, flags); +} + +ssize_t +ocall_readlink(const char *pathname, char *buf, size_t bufsiz) +{ + return readlink(pathname, buf, bufsiz); +} + +ssize_t +ocall_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) +{ + return readlinkat(dirfd, pathname, buf, bufsiz); +} + +int +ocall_renameat(int olddirfd, const char *oldpath, int newdirfd, + const char *newpath) +{ + return renameat(olddirfd, oldpath, newdirfd, newpath); +} + +int +ocall_symlinkat(const char *target, int newdirfd, const char *linkpath) +{ + return symlinkat(target, newdirfd, linkpath); +} + +int +ocall_ioctl(int fd, unsigned long request, void *arg, unsigned int arg_len) +{ + /* support just int *arg temporally */ + return ioctl(fd, request, (int *)arg); +} + +int +ocall_fcntl(int fd, int cmd) +{ + return fcntl(fd, cmd); +} + +int +ocall_fcntl_long(int fd, int cmd, long arg) +{ + return fcntl(fd, cmd, arg); +} + +ssize_t +ocall_readv(int fd, char *iov_buf, unsigned int buf_size, int iovcnt, + bool has_offset, off_t offset) +{ + struct iovec *iov = (struct iovec *)iov_buf; + ssize_t ret; + int i; + + for (i = 0; i < iovcnt; i++) { + iov[i].iov_base = iov_buf + (unsigned)(uintptr_t)iov[i].iov_base; + } + + if (has_offset) + ret = preadv(fd, iov, iovcnt, offset); + else + ret = readv(fd, iov, iovcnt); + + return ret; +} + +ssize_t +ocall_writev(int fd, char *iov_buf, unsigned int buf_size, int iovcnt, + bool has_offset, off_t offset) +{ + struct iovec *iov = (struct iovec *)iov_buf; + int i; + ssize_t ret; + + for (i = 0; i < iovcnt; i++) { + iov[i].iov_base = iov_buf + (unsigned)(uintptr_t)iov[i].iov_base; + } + + if (has_offset) + ret = pwritev(fd, iov, iovcnt, offset); + else + ret = writev(fd, iov, iovcnt); + + return ret; +} + +int +ocall_realpath(const char *path, char *buf, unsigned int buf_len) +{ + char *val = NULL; + val = realpath(path, buf); + if (val != NULL) { + return 0; + } + return -1; +} + +int +ocall_posix_fallocate(int fd, off_t offset, off_t len) +{ + return posix_fallocate(fd, offset, len); +} + +int +ocall_poll(void *fds, unsigned nfds, int timeout, unsigned int fds_len) +{ + return poll((struct pollfd *)fds, (nfds_t)nfds, timeout); +} + +int +ocall_getopt(int argc, char *argv_buf, unsigned int argv_buf_len, + const char *optstring) +{ + int ret; + int i; + char **argv = (char **)argv_buf; + + for (i = 0; i < argc; i++) { + argv[i] = argv_buf + (uintptr_t)argv[i]; + } + + return getopt(argc, argv, optstring); +} + +int +ocall_sched_yield() +{ + return sched_yield(); +} + +int +ocall_get_errno() +{ + return errno; +} |