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Author SHA1 Message Date
Dan Gohman
3dfeab50ad Don't add the NULL terminator to argv and environ arrays. 
The wasm userspace has been updated to do that instead, in
https://github.com/CraneStation/wasi-sysroot/pull/72.
 2019-06-02 08:54:51 +02:00
Dan Gohman
61eb4738fe wasi-sysroot is now named wasi-libc. (#167) 2019-05-31 10:15:52 +02:00
Dan Gohman
825f1d764a Fix a compiler warning. 
Fix the following warning from Rust 1.35:

warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
   --> wasmtime-runtime/src/instance.rs:473:25
    |
465 |         } else if let Some(start_export) = self.module.exports.get("_start") {
    |                                            ----------- immutable borrow occurs here
...
473 |                         self.invoke_function(*func_index)
    |                         ^^^^                 ----------- immutable borrow later used here
    |                         |
    |                         mutable borrow occurs here
    |
    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
 2019-05-30 18:44:38 -07:00
Dan Gohman
b5f4949597 Avoid using C features which depends on _Generic. 2019-05-27 10:13:33 -07:00
Dan Gohman
1882fc41bb Build sandboxed-system-primitives with -std=gnu99. 2019-05-27 09:14:29 -07:00
Dan Gohman
f486d61629 Make use of static_assert conditional on whether it's available. 2019-05-27 09:07:04 -07:00
Dan Gohman
176538b860 Support GCC and clang versions that lack <stdatomic.h>. 
Add a code path to use the GCC builtins for atomics, which are supported
in older compiler versions, rather than the new <stdatomic.h>.
 2019-05-27 07:48:18 +02:00
Jef
dc3a4d7f4a Fix register cycles, fix a minor issue in pushing 2019-05-24 13:21:52 +02:00
Van der Auwermeulen Grégoire
60807c5e54 Update README.md 2019-05-22 22:42:31 +02:00
Jef
8578a1b07f Merge pull request #23 from afinch7/ctz_clz_fix 
Fix for ctz and clz
 2019-05-22 18:54:31 +02:00
afinch7
9b6abc1497 fmt 2019-05-22 09:47:04 -04:00
afinch7
48b7f8e443 detect lzcnt/tzcnt support and use if available 2019-05-21 10:50:40 -04:00
Van der Auwermeulen Grégoire
658b5aabcc Update WASI-tutorial.md 2019-05-21 06:45:28 -07:00
Dan Gohman
6b2eee21b9 Update the description of Cargo.toml. 2019-05-18 21:01:14 -07:00
Dan Gohman
eb2b51353e Rename the top-level crate from wasmtime-tools to wasmtime. 
This is a binary application crate which contains the wasmtime
command-line application.
 2019-05-18 20:25:08 -07:00
Dan Gohman
106c8c4cb6 Remove the polyfill from the master branch. 
The polyfill now lives on the polyfill branch. Add a README.md file
pointing to the new location.
 2019-05-18 15:40:30 -07:00
Will Scott
1320b111eb fix guest iovs pointer mapping 2019-05-18 15:31:14 -07:00
Dan Gohman
67edb00f29 Use getrandom rather than getentropy on Linux for random_get. 
getentropy is limited to 256 bytes, so switch to getrandom.
 2019-05-15 11:44:45 -07:00
afinch7
2563dc53a1 fixed registry leak and literal casts 2019-05-15 08:20:23 -04:00
afinch7
6e9cff13a2 revert .gitignore changes 2019-05-15 08:01:43 -04:00
Yury Delendik
6740704b74 Expose Module reference from InstanceHandle 2019-05-14 15:02:06 -07:00
afinch7
a5fa03abb2 fix for ctz and clz 2019-05-14 16:14:00 -04:00
Dan Gohman
2b5be77fa5 "wasm32-unknown-wasi" is now "wasm32-wasi". 2019-05-13 21:40:56 -07:00
Jef
680473c50c Fix param names 2019-05-13 15:23:33 +02:00
Alan Foster
1c0efd03b3 Add example of compiling wat and running with wasmtime 2019-05-12 15:12:54 +02:00
Zhuowei Zhang
ca8c8b3370 js-polyfill: support Safari, which doesn't have instantiateStreaming 2019-05-10 14:24:59 -07:00
Jef
b67514bd11 Merge pull request #20 from tiborvass/fix-brif-typo 
microwasm: fix comment typo for BrIf
 2019-05-08 07:29:36 +02:00
Jakub Konka
072b2e8697 Update .rustfmt.toml 2019-05-07 13:56:04 -07:00
Jakub Konka
3e94af81df Add Rust impl of wasmtime_ssp_fd_prestat_dir_name 2019-05-07 13:20:55 -07:00
Jef
30583954eb Add better debugging tools 2019-05-06 10:44:13 +02:00
Till Schneidereit
2549abd671 Merge pull request #133 from kubkon/kubkon/rust-tutorial 
Update WASI tutorial with Rust howto as well
 2019-05-05 15:10:05 +02:00
Jakub Konka
e41d333878 Update WASI tutorial with Rust howto as well 2019-05-02 22:02:19 +02:00
Till Schneidereit
e12f797c2c Merge pull request #132 from kubkon/patch-1 
Add link to Rust version of the WASI tutorial
 2019-05-02 15:56:01 +02:00
Jakub Konka
5c14d1eb6f Add link to Rust version of the WASI tutorial 
I thought it might be useful for future WASI users to have the WASI tutorial written not only in C but also in Rust.

I'm also happy to keep the tutorial up to date with the current state of WASI target in Rust.
 2019-05-02 15:49:30 +02:00
Jakub Konka
d6b2faeeb4 Modify fd_prestat to hold C-str together with its length 2019-05-01 15:32:28 -07:00
Jakub Konka
f7245f40a1 Port host::__wasi_preopentype_t to Rust 2019-05-01 15:32:28 -07:00
Jakub Konka
5c555406ca Add Rust impl of wasmtime_ssp_fd_prestat_get 
In more detail, this commit:
* makes fd_prestat_get safe
* rewrites fd_prestats_get_entry in (safe) Rust
* creates helper macros for rwlock read lock and unlock
 2019-05-01 15:32:28 -07:00
Dan Gohman
b0eab7398d Don't decode the incoming events to poll_oneoff. (#113) 
The events array is an output-only array, so we don't need to decode its
contents.
 2019-04-30 06:42:48 -07:00
Dan Gohman
ce3c0d98d3 Don't rewrite EBUSY to EINVAL in path_rename. 2019-04-29 23:36:21 -07:00
Dan Gohman
049c926e08 Handle set-size rights correctly when truncating a file. 
If a path_open call is requesting __WASI_RIGHT_FD_FILESTAT_SET_SIZE,
interpret that as a request for write privleges. If it is requesting
O_TRUNC, require __WASI_RIGHT_PATH_FILESTAT_SET_SIZE, since this is
a path operation rather than a FD operation.
 2019-04-29 23:34:34 -07:00
Dan Gohman
e62607e552 When path_open fails, set the output fd to -1. 2019-04-29 23:34:13 -07:00
Jakub Konka
86b7a52009 Port host::__wasi_errno_t errors to Rust 
They are now blacklisted in the bindgen.
 2019-04-29 23:33:40 -07:00
Jakub Konka
a51ffb6b6d Add Rust impl of wasmtime_ssp_sched_yield 
Also, add Rust implementation of errno and convert_errno.
 2019-04-29 23:33:40 -07:00
Dan Gohman
26cbbaab41 Clarify that path_open's path is a relative path. 2019-04-29 07:34:28 -07:00
Dan Gohman
29c2616484 Update the documentation about C/C++ toolchain limitations. 
Document that `setjmp`/`longjmp` and C++ exceptions are unsupported, and
update the documentation about the function signature mismatch bug to
reflect that it's now just a warning rather than a fatal error.
 2019-04-28 16:41:58 -07:00
Jakub Konka
69e44caa29 Add Rust impl of wasmtime_ssp_proc_exit 2019-04-27 09:06:41 -07:00
Dan Gohman
e906370661 Make path_open return ELOOP on O_NOFOLLOW|O_DIRECTORY on a symlink. 2019-04-26 14:09:12 -07:00
Dan Gohman
f10cd2f4b1 Don't allow a preopened file descriptor to be renamed over. 
This is consistent with fd_close's behavior, and is likely temporary
until other options are designed.
 2019-04-26 13:06:42 -07:00
Jef
21cdd55cd2 Fix various panics and miscompilations 2019-04-24 15:00:15 +02:00
Jef
745d9ae162 Implement rem in backend - not every backend will act like x86 2019-04-24 12:32:17 +02:00