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Author SHA1 Message Date
Dan Gohman
c0ba4753eb Enable wasi-common by default (#177) 
This removes the --wasi-common, as it's now on by default, and adds a
--wasi-c option to enable the wasi-c implementation.
 2019-06-25 02:05:49 -07:00
Jakub Konka
513429f1b8 Port trace log from wasmtime-wasi-c crate 2019-06-24 22:47:41 +02:00
Jakub Konka
dc05d89a08 Fix path_readlink: with a 0-sized buffer should succeed 2019-06-24 11:54:18 -07:00
Jakub Konka
7fef91c1e4 Fix fd_renumber when trying to renumber a preopen 2019-06-24 11:54:18 -07:00
Jakub Konka
a11f2b1d3a Refactor path_get and fix flags in path_open 2019-06-24 11:54:18 -07:00
Jakub Konka
b35719fe4a Add fixes so that misc-tests pass 2019-06-24 11:54:18 -07:00
Sean Stangl
b9836d4d9c Correctly capitalize Firefox in the README 2019-06-20 16:23:15 -07:00
Jef
2e4d676093 Fix several miscompilations 2019-06-20 15:21:22 +02:00
Van der Auwermeulen Grégoire
d900a5f6ef Update WASI-tutorial.md 
consistent
 2019-06-19 07:13:51 -07:00
Van der Auwermeulen Grégoire
3425553dc6 Update WASI-tutorial.md 
Update README based on feedback
 2019-06-19 07:13:51 -07:00
Van der Auwermeulen Grégoire
15b85dc285 Update WASI-tutorial.md 2019-06-19 07:13:51 -07:00
Jakub Konka
ce8912abf3 Use preopen_dir handlers exposed in wasi-common 2019-06-19 07:12:00 -07:00
Sendil Kumar
ab8f8ef5d8 Adds an explicit way to use the args inside the WebAssembly Module 2019-06-19 07:10:56 -07:00
Jakub Konka
7ac6666fcb Fixes incorrect guest fd encoding 
Surfaced when running sunfishcode/misc-tests. When trying to
truncate the file without the __WASI_RIGHT_PATH_FILESTAT_SET_SIZE
right, error __WASI_ENOTCAPABLE was correctly returned, however,
the guest fd pointer was not encoded to -1 in that case. This
commit fixes it by taking out the guest fd encoding out of the
conditional branch which turns out obsolete.
 2019-06-19 07:09:46 -07:00
Jakub Konka
54a897cf91 Move common functionality into hostcalls mod 2019-06-18 06:00:22 -07:00
Jakub Konka
c113ff32e6 Move preopen_dir handlers from wasmtime to wasi-common 2019-06-17 02:40:42 -07:00
Jef
e2285b543a Fix div (makes the euler example pass!) 2019-06-13 13:24:40 +02:00
Jef
353e6e737b Make not a no-op for condition codes, only emit constants once 2019-06-09 14:55:09 +02:00
Ari Lotter
8dc1d90352 Use try_from replacing cast in wasmtime-runtime. 2019-06-09 12:27:28 +02:00
Ari Lotter
f3f6ab0583 Use try_from replacing cast in wasmtime-wasi-c. 2019-06-09 12:27:28 +02:00
Ari Lotter
1158b5bd6c Use try_from replacing cast in wasmtime-environ. 
`try_from` is stable now, so cast is unnecessary.
 2019-06-09 12:27:28 +02:00
Jakub Konka
e530a582af Fix preopening dirs on Windows 2019-06-03 13:23:07 -07:00
Dan Gohman
635be8a032 Make the wasmtime-wasi-c dependency conditional on Unix. 2019-06-03 13:23:07 -07:00
Dan Gohman
06b6ec42b9 Provide the C WASI implementation as an option. 
This adds the C WASI implementation as a new crate, wasmtime-wasi-c,
and adds a command-line flag to the wasmtime command-line driver to
select which WASI implementation to use.
 2019-06-03 13:23:07 -07:00
Jakub Konka
d57fbc7d0c Sync with wasi-common 2019-06-03 13:23:07 -07:00
Jakub Konka
e44d8e8fe3 Update min rustc to 1.34 as required by wasi-common 2019-06-03 13:23:07 -07:00
Jakub Konka
e8142f076d Migrate to wasi-common crate 2019-06-03 13:23:07 -07:00
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
9a66400cd8 Use try_from instead of the cast crate. 
`try_from` is newly stable in the standard library starting in Rust 1.34.
 2019-05-31 21:09:43 +02:00
Jakub Konka
51fc39e0e6 Backport path_get fix discovered in Win branch 2019-05-31 20:32:42 +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
Jakub Konka
0143ed548d Update README 2019-05-24 11:02:03 -07:00
Jakub Konka
b1764e18eb Add appveyor for automated Win testing 2019-05-24 11:02:03 -07:00
Jakub Konka
9ae766db2f Add convenience batch script for Win 2019-05-24 11:02:03 -07:00
Jakub Konka
c3ff3cf075 Add template for Windows impl 2019-05-24 11:02:03 -07:00
Jakub Konka
7605584691 Move *nix specific implementation to separate module 2019-05-24 11:02:03 -07:00
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
3372e47e5a Fix fd_fdstat_set_rights to set the rights. 
After checking that no new rights are being added, actually set the
rights, which may be a subset of the original rights.
 2019-05-20 10:22:07 +02:00
Dan Gohman
c5bda1f4e1 Fix symlink resolution on Linux and FreeBSD. 
Linux's open returns ENOTDIR when used with O_DIRECTORY|O_NOFOLLOW and
the path is a symlink. Update the code to expect this.

FreeBSD's open returns EMLINK instead of ELOOP when using O_NOFOLLOW on
symlink. Update the code to expect this.
 2019-05-20 10:22:07 +02:00
Dan Gohman
9823bf6196 Change path_open to not create files with execute privleges. 
WASI currently lacks the ability to specify the full UNIX access control
information when creating files and directories, so for now just avoid
creating executable files and rely on the umask.
 2019-05-20 10:22:07 +02:00