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Author SHA1 Message Date
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
bjorn3
abf0048972 Merge data alignment 2019-04-30 14:06:34 +02:00
bjorn3
8216b83c65 Make alignment magic number constants 2019-04-30 14:06:34 +02:00
bjorn3
556d5d45e9 Rustfmt 2019-04-30 14:06:34 +02:00
bjorn3
cb6268118c Make it possible to define data alignment 2019-04-30 14:06:34 +02:00
Benjamin Bouvier
443e48aee1 [wasm] Raise an error instead of panicking for unhandled function local types; 2019-04-30 13:58:18 +02:00
Benjamin Bouvier
3ce5d2057d [wasm] Add the ability to provide a user-defined error; 2019-04-30 13:58:18 +02:00
Benjamin Bouvier
02e114cf3d [wasm] Make FuncEnvironment functions fallible (fixes #752); 2019-04-30 13:58:18 +02:00
Benjamin Bouvier
efdb7d86b3 Fixes #607: Use a wrapping multiply when computing div/rem magic numbers; (#757) 2019-04-30 11:46:54 +02:00
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
antoyo
79d6978e29 cranelift-simplejit: add a translation mechanism for LibCalls (#747) 2019-04-29 16:58:39 +02:00
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
Antoni Boucher
d8d573208b Remove unwrap() for branch folding 2019-04-28 16:32:01 -07:00
Antoni Boucher
4ee2747c5b Fix cranelift_preopt panic 
Fix #611
 2019-04-28 16:32:01 -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
Pat Hickey
75ec950a12 Merge pull request #743 from CraneStation/expose-function-definitions 
Expose function definitions, populate FaerieCompiledFunction
 2019-04-25 14:58:36 -07:00
Benjamin Bouvier
95e6fc9efc Avoid inserting checks during div/rem legalization when the input is a constant immediate; 2019-04-25 16:58:41 +02:00
Benjamin Bouvier
e3e66acfb1 [meta] Generate legalizations in the Rust crate; 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
1f21349c4b [meta] Add CPU modes to the meta crate; 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
d00e42ede3 [meta] Port shared and x86 legalizations to the Rust crate; 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
494f3abf1d [meta] Add type inference, transforms and AST helpers for legalization; 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
dfb27c3402 [meta] Make TypeVar shareable and mutable; 
... since its type set can change over time during type inference. Use a
Rc<RefCell> to achieve this.
 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
b85146e945 [meta] Add helper methods and tests to TypeSet; 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
e71ae7b02f [meta] Add instruction predicates; 2019-04-25 11:44:56 +02:00
Benjamin Bouvier
d92778a19e [meta] Add Instruction helpers and change its representation to make it easily copiable; 
- adds helpers used by other parts of the code
- allows cheap copies by having Instruction be a lightweight ref-cloned
wrapper of the actual instruction's content.
 2019-04-25 11:44:56 +02:00
iximeow
45013a1d2b Expose function definitions and populate FaerieCompiledFunction with function lengths 2019-04-24 14:54:29 -07:00
Jef
21cdd55cd2 Fix various panics and miscompilations 2019-04-24 15:00:15 +02:00
Benjamin Bouvier
6acf9be540 Refactor simple-preopt to make it slightly simpler to read; 
- don't use camel case but snake casing;
- longer variable names;
- more whitespace;
- add/wrap comments;
 2019-04-24 14:14:44 +02:00
Jef
745d9ae162 Implement rem in backend - not every backend will act like x86 2019-04-24 12:32:17 +02:00
Benjamin Bouvier
00429ebe99 [meta] Fix outdented_line in srcgen; 2019-04-24 10:47:26 +02:00
Benjamin Bouvier
d2d2cdcd78 [meta] Rejigger comments in cdsl/formats; 2019-04-24 10:47:26 +02:00
Benjamin Bouvier
faa9b25691 [meta-python] Simplify Var ctor since it never is given a typevar argument; 2019-04-24 10:47:26 +02:00
Benjamin Bouvier
b3a950b589 [meta] Fix condition codes in immediates; 2019-04-24 10:47:26 +02:00
Jef
ea1ec9491e Don't use cmov (no need) 2019-04-24 09:16:38 +02:00
Dan Gohman
7813cc9d2d Fix a trace logging message. 2019-04-23 12:08:06 -07:00
Jake Lang
a2eafd400f Document using wasmtime as a dependency in the README 2019-04-19 15:09:59 -07:00
Joel Martin
b8fbae29e1 WASI-api.md: fix fsync -> fcntl 2019-04-18 13:25:40 -07:00
Jef
a2ef962ed7 Fix shift's incorrect register freeing logic 2019-04-17 16:06:51 +02:00
Jef
82e810c8d2 Avoid emitting tests on select 2019-04-17 15:47:22 +02:00
Benjamin Bouvier
274415d5ee Fixes #738: Check ebbs used in jump tables in the verifier; 2019-04-17 15:37:27 +02:00
Jef
ced654f907 Allow register allocation to fail 2019-04-17 15:13:38 +02:00
Tyler McMullen
3b1583ebb7 Style changes in response to code review. 2019-04-17 13:15:41 +02:00