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689 lines
22 KiB
C
689 lines
22 KiB
C
//
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// m3_api_wasi.c
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//
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// Created by Volodymyr Shymanskyy on 11/20/19.
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// Copyright © 2019 Volodymyr Shymanskyy. All rights reserved.
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//
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#define _POSIX_C_SOURCE 200809L
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#include "m3_api_wasi.h"
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#include "m3_api_defs.h"
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#include "m3_env.h"
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#include "m3_exception.h"
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#if defined(d_m3HasWASI)
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typedef uint32_t __wasi_size_t;
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#include "extra/wasi_core.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <errno.h>
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#include <stdio.h>
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#include <fcntl.h>
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#if defined(__wasi__) || defined(__APPLE__) || defined(__ANDROID_API__) || defined(__OpenBSD__) || defined(__linux__)
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# include <unistd.h>
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# include <sys/uio.h>
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# if defined(__APPLE__)
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# include <TargetConditionals.h>
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# if TARGET_OS_MAC
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# include <sys/random.h>
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# else // iOS / Simulator
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# include <Security/Security.h>
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# endif
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# else
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# include <sys/random.h>
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# endif
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# define HAS_IOVEC
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#elif defined(_WIN32)
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# include <Windows.h>
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# include <io.h>
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// See http://msdn.microsoft.com/en-us/library/windows/desktop/aa387694.aspx
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# define SystemFunction036 NTAPI SystemFunction036
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# include <NTSecAPI.h>
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# undef SystemFunction036
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# define ssize_t SSIZE_T
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# define open _open
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# define read _read
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# define write _write
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# define close _close
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#endif
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typedef struct wasi_iovec_t
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{
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__wasi_size_t buf;
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__wasi_size_t buf_len;
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} wasi_iovec_t;
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#define PREOPEN_CNT 5
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typedef struct Preopen {
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int fd;
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char* path;
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} Preopen;
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Preopen preopen[PREOPEN_CNT] = {
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{ 0, "<stdin>" },
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{ 1, "<stdout>" },
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{ 2, "<stderr>" },
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{ -1, "./" },
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{ -1, "../" },
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};
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static
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__wasi_errno_t errno_to_wasi(int errnum) {
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switch (errnum) {
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case EPERM: return __WASI_EPERM; break;
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case ENOENT: return __WASI_ENOENT; break;
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case ESRCH: return __WASI_ESRCH; break;
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case EINTR: return __WASI_EINTR; break;
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case EIO: return __WASI_EIO; break;
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case ENXIO: return __WASI_ENXIO; break;
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case E2BIG: return __WASI_E2BIG; break;
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case ENOEXEC: return __WASI_ENOEXEC; break;
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case EBADF: return __WASI_EBADF; break;
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case ECHILD: return __WASI_ECHILD; break;
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case EAGAIN: return __WASI_EAGAIN; break;
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case ENOMEM: return __WASI_ENOMEM; break;
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case EACCES: return __WASI_EACCES; break;
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case EFAULT: return __WASI_EFAULT; break;
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case EBUSY: return __WASI_EBUSY; break;
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case EEXIST: return __WASI_EEXIST; break;
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case EXDEV: return __WASI_EXDEV; break;
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case ENODEV: return __WASI_ENODEV; break;
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case ENOTDIR: return __WASI_ENOTDIR; break;
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case EISDIR: return __WASI_EISDIR; break;
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case EINVAL: return __WASI_EINVAL; break;
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case ENFILE: return __WASI_ENFILE; break;
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case EMFILE: return __WASI_EMFILE; break;
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case ENOTTY: return __WASI_ENOTTY; break;
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case ETXTBSY: return __WASI_ETXTBSY; break;
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case EFBIG: return __WASI_EFBIG; break;
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case ENOSPC: return __WASI_ENOSPC; break;
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case ESPIPE: return __WASI_ESPIPE; break;
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case EROFS: return __WASI_EROFS; break;
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case EMLINK: return __WASI_EMLINK; break;
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case EPIPE: return __WASI_EPIPE; break;
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case EDOM: return __WASI_EDOM; break;
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case ERANGE: return __WASI_ERANGE; break;
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default: return __WASI_EINVAL;
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}
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}
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#if defined(_WIN32)
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static inline
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int clock_gettime(int clk_id, struct timespec *spec)
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{
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__int64 wintime; GetSystemTimeAsFileTime((FILETIME*)&wintime);
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wintime -= 116444736000000000i64; //1jan1601 to 1jan1970
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spec->tv_sec = wintime / 10000000i64; //seconds
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spec->tv_nsec = wintime % 10000000i64 *100; //nano-seconds
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return 0;
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}
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static inline
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int clock_getres(int clk_id, struct timespec *spec) {
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return -1; // Defaults to 1000000
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}
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static inline
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int convert_clockid(__wasi_clockid_t in) {
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return 0;
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}
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#else // _WIN32
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static inline
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int convert_clockid(__wasi_clockid_t in) {
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switch (in) {
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case __WASI_CLOCK_MONOTONIC: return CLOCK_MONOTONIC;
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case __WASI_CLOCK_PROCESS_CPUTIME_ID: return CLOCK_PROCESS_CPUTIME_ID;
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case __WASI_CLOCK_REALTIME: return CLOCK_REALTIME;
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case __WASI_CLOCK_THREAD_CPUTIME_ID: return CLOCK_THREAD_CPUTIME_ID;
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default: return -1;
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}
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}
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#endif // _WIN32
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static inline
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__wasi_timestamp_t convert_timespec(const struct timespec *ts) {
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if (ts->tv_sec < 0)
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return 0;
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if ((__wasi_timestamp_t)ts->tv_sec >= UINT64_MAX / 1000000000)
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return UINT64_MAX;
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return (__wasi_timestamp_t)ts->tv_sec * 1000000000 + ts->tv_nsec;
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}
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#if defined(HAS_IOVEC)
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static inline
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void copy_iov_to_host(void* _mem, struct iovec* host_iov, wasi_iovec_t* wasi_iov, int32_t iovs_len)
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{
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// Convert wasi memory offsets to host addresses
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for (int i = 0; i < iovs_len; i++) {
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host_iov[i].iov_base = m3ApiOffsetToPtr(wasi_iov[i].buf);
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host_iov[i].iov_len = wasi_iov[i].buf_len;
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}
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}
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#endif
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/*
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* WASI API implementation
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*/
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m3ApiRawFunction(m3_wasi_unstable_args_get)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArgMem (u32* , argv)
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m3ApiGetArgMem (char* , argv_buf)
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if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
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for (u32 i = 0; i < runtime->argc; ++i)
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{
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argv[i] = m3ApiPtrToOffset (argv_buf);
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size_t len = strlen (runtime->argv [i]);
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memcpy (argv_buf, runtime->argv [i], len);
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argv_buf += len;
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* argv_buf++ = 0;
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}
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_args_sizes_get)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArgMem (__wasi_size_t* , argc)
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m3ApiGetArgMem (__wasi_size_t* , argv_buf_size)
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if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
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*argc = runtime->argc;
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*argv_buf_size = 0;
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for (u32 i = 0; i < runtime->argc; ++i)
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{
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* argv_buf_size += strlen (runtime->argv [i]) + 1;
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}
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_environ_get)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArgMem (u32* , env)
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m3ApiGetArgMem (char* , env_buf)
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if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
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// TODO
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_environ_sizes_get)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArgMem (__wasi_size_t* , env_count)
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m3ApiGetArgMem (__wasi_size_t* , env_buf_size)
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if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
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// TODO
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*env_count = 0;
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*env_buf_size = 0;
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_fd_prestat_dir_name)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , fd)
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m3ApiGetArgMem (char* , path)
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m3ApiGetArg (__wasi_size_t , path_len)
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if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
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if (fd < 3 || fd >= PREOPEN_CNT) { m3ApiReturn(__WASI_EBADF); }
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int size = M3_MIN(strlen(preopen[fd].path), path_len);
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memcpy(path, preopen[fd].path, size);
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_fd_prestat_get)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , fd)
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m3ApiGetArgMem (uint32_t* , buf) // TODO: use actual struct
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if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
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if (fd < 3 || fd >= PREOPEN_CNT) { m3ApiReturn(__WASI_EBADF); }
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*(buf) = __WASI_PREOPENTYPE_DIR;
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*(buf+1) = strlen(preopen[fd].path);
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_fd_fdstat_get)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , fd)
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m3ApiGetArgMem (__wasi_fdstat_t* , fdstat)
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if (runtime == NULL || fdstat == NULL) { m3ApiReturn(__WASI_EINVAL); }
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#ifdef _WIN32
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// TODO: This needs a proper implementation
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if (fd < PREOPEN_CNT){
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fdstat->fs_filetype= __WASI_FILETYPE_DIRECTORY;
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}else{
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fdstat->fs_filetype= __WASI_FILETYPE_REGULAR_FILE;
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}
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fdstat->fs_flags = 0;
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fdstat->fs_rights_base = (uint64_t)-1; // all rights
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fdstat->fs_rights_inheriting = (uint64_t)-1; // all rights
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m3ApiReturn(__WASI_ESUCCESS);
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#else
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struct stat fd_stat;
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int fl = fcntl(fd, F_GETFL);
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if (fl < 0) { m3ApiReturn(errno_to_wasi(errno)); }
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fstat(fd, &fd_stat);
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int mode = fd_stat.st_mode;
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fdstat->fs_filetype = (S_ISBLK(mode) ? __WASI_FILETYPE_BLOCK_DEVICE : 0) |
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(S_ISCHR(mode) ? __WASI_FILETYPE_CHARACTER_DEVICE : 0) |
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(S_ISDIR(mode) ? __WASI_FILETYPE_DIRECTORY : 0) |
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(S_ISREG(mode) ? __WASI_FILETYPE_REGULAR_FILE : 0) |
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//(S_ISSOCK(mode) ? __WASI_FILETYPE_SOCKET_STREAM : 0) |
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(S_ISLNK(mode) ? __WASI_FILETYPE_SYMBOLIC_LINK : 0);
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fdstat->fs_flags = ((fl & O_APPEND) ? __WASI_FDFLAG_APPEND : 0) |
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((fl & O_DSYNC) ? __WASI_FDFLAG_DSYNC : 0) |
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((fl & O_NONBLOCK) ? __WASI_FDFLAG_NONBLOCK : 0) |
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//((fl & O_RSYNC) ? __WASI_FDFLAG_RSYNC : 0) |
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((fl & O_SYNC) ? __WASI_FDFLAG_SYNC : 0);
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fdstat->fs_rights_base = (uint64_t)-1; // all rights
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fdstat->fs_rights_inheriting = (uint64_t)-1; // all rights
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m3ApiReturn(__WASI_ESUCCESS);
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#endif
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}
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m3ApiRawFunction(m3_wasi_unstable_fd_fdstat_set_flags)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , fd)
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m3ApiGetArg (__wasi_fdflags_t , flags)
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// TODO
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_fd_seek)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , fd)
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m3ApiGetArg (__wasi_filedelta_t , offset)
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m3ApiGetArg (__wasi_whence_t , whence)
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m3ApiGetArgMem (__wasi_filesize_t* , result)
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if (runtime == NULL || result == NULL) { m3ApiReturn(__WASI_EINVAL); }
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int wasi_whence = whence == __WASI_WHENCE_END ? SEEK_END :
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__WASI_WHENCE_CUR ? SEEK_CUR : 0;
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int64_t ret;
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#if defined(M3_COMPILER_MSVC)
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ret = _lseeki64(fd, offset, wasi_whence);
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#else
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ret = lseek(fd, offset, wasi_whence);
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#endif
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if (ret < 0) { m3ApiReturn(errno_to_wasi(errno)); }
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*result = ret;
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m3ApiReturn(__WASI_ESUCCESS);
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}
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m3ApiRawFunction(m3_wasi_unstable_path_open)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , dirfd)
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m3ApiGetArg (__wasi_lookupflags_t , dirflags)
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m3ApiGetArgMem (const char * , path)
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m3ApiGetArg (uint32_t , path_len)
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m3ApiGetArg (__wasi_oflags_t , oflags)
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m3ApiGetArg (__wasi_rights_t , fs_rights_base)
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m3ApiGetArg (__wasi_rights_t , fs_rights_inheriting)
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m3ApiGetArg (__wasi_fdflags_t , fs_flags)
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m3ApiGetArgMem (__wasi_fd_t * , fd)
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if (path_len >= 512)
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m3ApiReturn(__WASI_EINVAL);
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// copy path so we can ensure it is NULL terminated
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#if defined(M3_COMPILER_MSVC)
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char host_path [512];
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#else
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char host_path [path_len+1];
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#endif
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memcpy (host_path, path, path_len);
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host_path [path_len] = '\0'; // NULL terminator
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//printf ("== path_open: %s\n", host_path);
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#if defined(_WIN32)
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// TODO: This all needs a proper implementation
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int flags = ((oflags & __WASI_O_CREAT) ? _O_CREAT : 0) |
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((oflags & __WASI_O_EXCL) ? _O_EXCL : 0) |
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((oflags & __WASI_O_TRUNC) ? _O_TRUNC : 0) |
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((fs_flags & __WASI_FDFLAG_APPEND) ? _O_APPEND : 0);
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if ((fs_rights_base & __WASI_RIGHT_FD_READ) &&
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(fs_rights_base & __WASI_RIGHT_FD_WRITE)) {
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flags |= _O_RDWR;
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} else if ((fs_rights_base & __WASI_RIGHT_FD_WRITE)) {
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flags |= _O_WRONLY;
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} else if ((fs_rights_base & __WASI_RIGHT_FD_READ)) {
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flags |= _O_RDONLY; // no-op because O_RDONLY is 0
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}
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int mode = 0644;
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int host_fd = open (host_path, flags, mode);
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if (host_fd < 0)
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{
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m3ApiReturn(errno_to_wasi (errno));
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}
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else
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{
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* fd = host_fd;
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m3ApiReturn(__WASI_ESUCCESS);
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}
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#else
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// translate o_flags and fs_flags into flags and mode
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int flags = ((oflags & __WASI_O_CREAT) ? O_CREAT : 0) |
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//((oflags & __WASI_O_DIRECTORY) ? O_DIRECTORY : 0) |
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((oflags & __WASI_O_EXCL) ? O_EXCL : 0) |
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((oflags & __WASI_O_TRUNC) ? O_TRUNC : 0) |
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((fs_flags & __WASI_FDFLAG_APPEND) ? O_APPEND : 0) |
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((fs_flags & __WASI_FDFLAG_DSYNC) ? O_DSYNC : 0) |
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((fs_flags & __WASI_FDFLAG_NONBLOCK) ? O_NONBLOCK : 0) |
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//((fs_flags & __WASI_FDFLAG_RSYNC) ? O_RSYNC : 0) |
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((fs_flags & __WASI_FDFLAG_SYNC) ? O_SYNC : 0);
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if ((fs_rights_base & __WASI_RIGHT_FD_READ) &&
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(fs_rights_base & __WASI_RIGHT_FD_WRITE)) {
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flags |= O_RDWR;
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} else if ((fs_rights_base & __WASI_RIGHT_FD_WRITE)) {
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flags |= O_WRONLY;
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} else if ((fs_rights_base & __WASI_RIGHT_FD_READ)) {
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flags |= O_RDONLY; // no-op because O_RDONLY is 0
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}
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int mode = 0644;
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int host_fd = openat (dirfd, host_path, flags, mode);
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if (host_fd < 0)
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{
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m3ApiReturn(errno_to_wasi (errno));
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}
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else
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{
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* fd = host_fd;
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m3ApiReturn(__WASI_ESUCCESS);
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}
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#endif
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}
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m3ApiRawFunction(m3_wasi_unstable_fd_read)
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{
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m3ApiReturnType (uint32_t)
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m3ApiGetArg (__wasi_fd_t , fd)
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m3ApiGetArgMem (wasi_iovec_t* , wasi_iovs)
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m3ApiGetArg (__wasi_size_t , iovs_len)
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m3ApiGetArgMem (__wasi_size_t* , nread)
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if (runtime == NULL || nread == NULL) { m3ApiReturn(__WASI_EINVAL); }
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|
|
|
#if defined(HAS_IOVEC)
|
|
struct iovec iovs[iovs_len];
|
|
copy_iov_to_host(_mem, iovs, wasi_iovs, iovs_len);
|
|
|
|
ssize_t ret = readv(fd, iovs, iovs_len);
|
|
if (ret < 0) { m3ApiReturn(errno_to_wasi(errno)); }
|
|
*nread = ret;
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
#else
|
|
ssize_t res = 0;
|
|
for (__wasi_size_t i = 0; i < iovs_len; i++) {
|
|
void* addr = m3ApiOffsetToPtr(wasi_iovs[i].buf);
|
|
size_t len = wasi_iovs[i].buf_len;
|
|
if (len == 0) continue;
|
|
|
|
int ret = read (fd, addr, len);
|
|
if (ret < 0) m3ApiReturn(errno_to_wasi(errno));
|
|
res += ret;
|
|
if ((size_t)ret < len) break;
|
|
}
|
|
*nread = res;
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
#endif
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_fd_write)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArg (__wasi_fd_t , fd)
|
|
m3ApiGetArgMem (wasi_iovec_t* , wasi_iovs)
|
|
m3ApiGetArg (__wasi_size_t , iovs_len)
|
|
m3ApiGetArgMem (__wasi_size_t* , nwritten)
|
|
|
|
if (runtime == NULL || nwritten == NULL) { m3ApiReturn(__WASI_EINVAL); }
|
|
|
|
#if defined(HAS_IOVEC)
|
|
struct iovec iovs[iovs_len];
|
|
copy_iov_to_host(_mem, iovs, wasi_iovs, iovs_len);
|
|
|
|
ssize_t ret = writev(fd, iovs, iovs_len);
|
|
if (ret < 0) { m3ApiReturn(errno_to_wasi(errno)); }
|
|
*nwritten = ret;
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
#else
|
|
ssize_t res = 0;
|
|
for (__wasi_size_t i = 0; i < iovs_len; i++) {
|
|
void* addr = m3ApiOffsetToPtr(wasi_iovs[i].buf);
|
|
size_t len = wasi_iovs[i].buf_len;
|
|
if (len == 0) continue;
|
|
|
|
int ret = write (fd, addr, len);
|
|
if (ret < 0) m3ApiReturn(errno_to_wasi(errno));
|
|
res += ret;
|
|
if ((size_t)ret < len) break;
|
|
}
|
|
*nwritten = res;
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
#endif
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_fd_close)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArg (__wasi_fd_t, fd)
|
|
|
|
int ret = close(fd);
|
|
m3ApiReturn(ret == 0 ? __WASI_ESUCCESS : ret);
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_fd_datasync)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArg (__wasi_fd_t, fd)
|
|
|
|
#if defined(_WIN32)
|
|
int ret = _commit(fd);
|
|
#elif defined(__APPLE__)
|
|
int ret = fsync(fd);
|
|
#elif defined(__ANDROID_API__) || defined(__OpenBSD__) || defined(__linux__)
|
|
int ret = fdatasync(fd);
|
|
#else
|
|
int ret = __WASI_ENOSYS;
|
|
#endif
|
|
m3ApiReturn(ret == 0 ? __WASI_ESUCCESS : ret);
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_random_get)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArgMem (uint8_t* , buf)
|
|
m3ApiGetArg (__wasi_size_t , buflen)
|
|
|
|
while (1) {
|
|
ssize_t retlen = 0;
|
|
|
|
#if defined(__wasi__) || defined(__APPLE__) || defined(__ANDROID_API__) || defined(__OpenBSD__)
|
|
size_t reqlen = M3_MIN(buflen, 256);
|
|
# if defined(__APPLE__) && (TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR)
|
|
retlen = SecRandomCopyBytes(kSecRandomDefault, reqlen, buf) < 0 ? -1 : reqlen;
|
|
# else
|
|
retlen = getentropy(buf, reqlen) < 0 ? -1 : reqlen;
|
|
# endif
|
|
#elif defined(__FreeBSD__) || defined(__linux__)
|
|
retlen = getrandom(buf, buflen, 0);
|
|
#elif defined(_WIN32)
|
|
if (RtlGenRandom(buf, buflen) == TRUE) {
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
}
|
|
#else
|
|
m3ApiReturn(__WASI_ENOSYS);
|
|
#endif
|
|
if (retlen < 0) {
|
|
if (errno == EINTR || errno == EAGAIN) {
|
|
continue;
|
|
}
|
|
m3ApiReturn(errno_to_wasi(errno));
|
|
} else if (retlen == buflen) {
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
} else {
|
|
buf += retlen;
|
|
buflen -= retlen;
|
|
}
|
|
}
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_clock_res_get)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArg (__wasi_clockid_t , wasi_clk_id)
|
|
m3ApiGetArgMem (__wasi_timestamp_t* , resolution)
|
|
|
|
if (runtime == NULL || resolution == NULL) { m3ApiReturn(__WASI_EINVAL); }
|
|
|
|
int clk = convert_clockid(wasi_clk_id);
|
|
if (clk < 0) m3ApiReturn(__WASI_EINVAL);
|
|
|
|
struct timespec tp;
|
|
if (clock_getres(clk, &tp) != 0)
|
|
*resolution = 1000000;
|
|
else
|
|
*resolution = convert_timespec(&tp);
|
|
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_clock_time_get)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArg (__wasi_clockid_t , wasi_clk_id)
|
|
m3ApiGetArg (__wasi_timestamp_t , precision)
|
|
m3ApiGetArgMem (__wasi_timestamp_t* , time)
|
|
|
|
if (runtime == NULL || time == NULL) { m3ApiReturn(__WASI_EINVAL); }
|
|
|
|
int clk = convert_clockid(wasi_clk_id);
|
|
if (clk < 0) m3ApiReturn(__WASI_EINVAL);
|
|
|
|
struct timespec tp;
|
|
if (clock_gettime(clk, &tp) != 0) {
|
|
m3ApiReturn(errno_to_wasi(errno));
|
|
}
|
|
|
|
*time = convert_timespec(&tp);
|
|
m3ApiReturn(__WASI_ESUCCESS);
|
|
}
|
|
|
|
m3ApiRawFunction(m3_wasi_unstable_proc_exit)
|
|
{
|
|
m3ApiReturnType (uint32_t)
|
|
m3ApiGetArg (uint32_t, code)
|
|
|
|
if (runtime == NULL) { m3ApiReturn(__WASI_EINVAL); }
|
|
|
|
runtime->exit_code = code;
|
|
|
|
m3ApiTrap(m3Err_trapExit);
|
|
}
|
|
|
|
|
|
static
|
|
M3Result SuppressLookupFailure(M3Result i_result)
|
|
{
|
|
if (i_result == m3Err_functionLookupFailed)
|
|
return m3Err_none;
|
|
else
|
|
return i_result;
|
|
}
|
|
|
|
|
|
M3Result m3_LinkWASI (IM3Module module)
|
|
{
|
|
M3Result result = m3Err_none;
|
|
|
|
const char* wasi = "wasi_unstable";
|
|
|
|
#ifdef _WIN32
|
|
setmode(fileno(stdin), O_BINARY);
|
|
setmode(fileno(stdout), O_BINARY);
|
|
setmode(fileno(stderr), O_BINARY);
|
|
|
|
#else
|
|
// Preopen dirs
|
|
for (int i = 3; i < PREOPEN_CNT; i++) {
|
|
preopen[i].fd = open(preopen[i].path, O_RDONLY);
|
|
}
|
|
#endif
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "args_sizes_get", "i(**)", &m3_wasi_unstable_args_sizes_get)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "environ_sizes_get", "i(**)", &m3_wasi_unstable_environ_sizes_get)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "args_get", "i(**)", &m3_wasi_unstable_args_get)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "environ_get", "i(**)", &m3_wasi_unstable_environ_get)));
|
|
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_prestat_dir_name", "i(i*i)", &m3_wasi_unstable_fd_prestat_dir_name)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_prestat_get", "i(i*)", &m3_wasi_unstable_fd_prestat_get)));
|
|
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "path_open", "i(ii*iiiii*)", &m3_wasi_unstable_path_open)));
|
|
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_fdstat_get", "i(i*)", &m3_wasi_unstable_fd_fdstat_get)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_fdstat_set_flags", "i(ii)", &m3_wasi_unstable_fd_fdstat_set_flags)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_write", "i(iii*)", &m3_wasi_unstable_fd_write)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_read", "i(iii*)", &m3_wasi_unstable_fd_read)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_seek", "i(iii*)", &m3_wasi_unstable_fd_seek)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_datasync", "i(i)", &m3_wasi_unstable_fd_datasync)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "fd_close", "i(i)", &m3_wasi_unstable_fd_close)));
|
|
|
|
//_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "sock_send", "i()", &...)));
|
|
//_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "sock_recv", "i()", &...)));
|
|
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "random_get", "i(*i)", &m3_wasi_unstable_random_get)));
|
|
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "clock_res_get", "i(i*)", &m3_wasi_unstable_clock_res_get)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "clock_time_get", "i(ii*)", &m3_wasi_unstable_clock_time_get)));
|
|
_ (SuppressLookupFailure (m3_LinkRawFunction (module, wasi, "proc_exit", "i(i)", &m3_wasi_unstable_proc_exit)));
|
|
|
|
_catch:
|
|
return result;
|
|
}
|
|
|
|
#endif // d_m3HasWASI
|
|
|