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Author SHA1 Message Date
Dan Gohman
8dbd4b8d7c Start a wast testing harness and add some tests. 
This implements a minimal wast testing harness in tests/wast.rs, which
runs the wast tests under tests/wast.

It also adds tests for trapping in a variety of ways, and fixes several
bugs exposed by those tests.
 2018-12-05 02:25:34 -05:00
Dan Gohman
a6b54330c0 Switch Darwin to use PC-redirection for calling the Unwind function. 2018-12-05 02:25:34 -05:00
Dan Gohman
872f7a10f4 Use MAP_ANON instead of MAP_ANONYMOUS. 2018-12-05 02:25:34 -05:00
Dan Gohman
d5ed424b33 Add tunables.rs. 2018-12-05 02:25:34 -05:00
Dan Gohman
f44fe25f9c Rewrite linear memory handling in terms of simple mmap/VirtualAlloc. 
The memmap crate doesn't make it straightforward to have part of the
region be writeable and part readonly. Since this is a fairly boutique
use case, and we don't need all that much code, just use the low-level
APIs directly.

Also, introduce a concept of "tunables" for adjusting the parameters of
the runtime.
 2018-12-05 02:25:34 -05:00
Dan Gohman
1b98efd979 Add a README.md for lib/obj. 2018-12-04 18:24:50 -06:00
Dan Gohman
0c8348cfc7 Mention that being usable as a library is a goal. 2018-12-04 18:24:50 -06:00
Dan Gohman
4437bd1742 Add a CODE_OF_CONDUCT.nd and CONTRIBUTING.md. 2018-12-04 18:24:50 -06:00
Dan Gohman
0b039b0978 Mention the goal of prototyping syscalls for proposal to reference-sysroot. 2018-12-04 18:24:50 -06:00
Dan Gohman
3e19b13b0b Fix typo. 2018-12-04 18:24:50 -06:00
Dan Gohman
5af15ce9dd Update the README with project status and goals. 2018-12-04 18:24:50 -06:00
Dan Gohman
02a3684a3f Update to bindgen 0.44. 2018-11-30 09:24:33 -08:00
Dan Gohman
4dec8ecfce Check for cargo fmt rather than checking for rustfmt directly. 2018-11-30 10:46:15 -06:00
Frank Rehberger
ec940ee8af Migrating to wabt::wat2wasm (#29) 
* Add test_environ_translate

* Migrating to wabt::wat2wasm
 2018-11-30 10:44:44 -06:00
Dan Gohman
ff25397c9e Fix the type of the heap bound variable. 2018-11-29 19:28:35 -08:00
Dan Gohman
b3d831015c Add basic logging support to the wasmtime binary. 2018-11-29 15:38:12 -08:00
Dan Gohman
b7d43edfd3 Be more careful about integer overflow when computing relocs. 2018-11-29 10:28:18 -08:00
Dan Gohman
f7dc961d2c Fix some clippy warnings. 2018-11-29 10:27:49 -08:00
Dan Gohman
976a5a2e7e Add more trapping testcases. 2018-11-29 06:24:02 -08:00
Dan Gohman
5ae48b06e1 Fix the pthread_detach assert on Darwin. 2018-11-29 06:22:39 -08:00
Dan Gohman
38acc069fa Fix compilation errors on Darwin. 2018-11-29 06:01:25 -08:00
Dan Gohman
adb76ba9f1 Avoid casting to/from greg_t, which doesn't work consistently across platforms. 2018-11-29 05:59:17 -08:00
Dan Gohman
5e05e9628d Enable OSX builds on Travis. 2018-11-29 05:59:17 -08:00
Dan Gohman
216c0ce14e Fix the scope of the ScopeGuard in call_wasm. 2018-11-29 05:59:17 -08:00
Dan Gohman
869ed1b5c5 Add badges for Appveyor CI and Gitter chat. 2018-11-29 05:58:19 -08:00
Dan Gohman
4ef1bac12b Add a basic appveyor config file. 2018-11-29 05:57:53 -08:00
Dan Gohman
862d859587 Add a LICENSE file to each crate. 2018-11-29 05:57:32 -08:00
Frank Rehberger
4ac41213ad Add test_environ_translate 2018-11-28 04:33:14 -08:00
Dan Gohman
2a760ae5e8 Add tests that trap, and fix handling of SIGFPE on x86. 2018-11-27 06:38:28 -08:00
Dan Gohman
35627cf37f Implement wasm trap handlers. (#27) 
* Implement wasm trap handlers.

This adds signal handlers based on SpiderMonkey's signal-handler code.
The functionality for looking up the trap code and wasm bytecode offset
isn't yet implemented, but this is a start.

I considered rewriting this code in Rust, but decided against it for now
as C++ allows us to talk to the relevant OS APIs more directly.

Fixes #15.

* Compile with -std=c++11.

* Refactor InstallState initialization.

* Compile with -fPIC.

* Factor out the code for calling a wasm function with a given index.

* Fix unclear wording in a comment.
 2018-11-27 06:05:58 -08:00
Dan Gohman
8e1e75f1f4 Fix rustfmt diffs. 2018-11-27 05:41:19 -08:00
Geoffroy Couprie
bf5a06bc95 separate the context intialization from the function execution (#21) 
the start function is called from the initialization phase
 2018-11-27 05:33:56 -08:00
Dan Gohman
95fba6a9de Update to Cranelift 0.25. 2018-11-26 22:50:07 -08:00
Dan Gohman
0e19f39831 Temporarily disable the fuzz check in test-all.sh 
We can re-enable it once https://github.com/Amanieu/hashmap_core/pull/8
is merged.
 2018-11-26 05:04:05 -08:00
Dan Gohman
e8201d0f93 Begin work on no_std support. 
This adds no_std support to a bunch of things, but more work is needed.
 2018-11-26 04:52:39 -08:00
Dan Gohman
82c8ef95c4 Update for Cranelift API changes. 2018-11-26 04:11:09 -08:00
Dan Gohman
f823526a42 Update to wasmparser 0.22. 2018-11-26 04:10:50 -08:00
Dan Gohman
df2b610304 Add a Rust version badge. 2018-11-25 07:09:46 -08:00
Dan Gohman
74ccddcd64 Update to Cranelift 0.24. 2018-11-25 05:08:29 -08:00
Dan Gohman
0a0108f959 Update to Cranelift 0.22. 2018-11-25 05:08:29 -08:00
Dan Gohman
9e56ed5aad Bump the minimum Rust version to 1.30.1, following Cranelift's policy. 2018-11-16 12:10:52 -08:00
Geoffroy Couprie
7fca0792dd add a way to provide imported functions during relocation 
They are provided as a closure taking the module (&str) and function name (&str) as arguments,
returning an address (Option<isize>)
 2018-11-16 09:56:36 -08:00
Dan Gohman
d72ebe53d4 Use the correct base address for memories. 2018-11-02 16:18:18 -07:00
Dan Gohman
8e114a2703 Update authors in Cargo.toml. 2018-10-30 13:08:42 -07:00
Dan Gohman
4a41d2d6c6 Delete obsolete clippy scripts. 2018-10-30 13:08:42 -07:00
Dan Gohman
0ff372a6b8 Adjust whitespace to match the upstream exception text. 
This is a whitespace-only change.
 2018-10-30 13:08:42 -07:00
Nathan Froyd
5f11f44482 add a --target option to wasm2obj 2018-10-10 08:10:09 -07:00
Dan Gohman
1f8b7c31a9 Remove obsolete clippy scripts. 
Now that clippy is installable via rustup and is generally more stable,
we no longer need special scripts. `rustup component add clippy-preview` is
sufficient to install clippy, and `cargo clippy` is sufficient to run it.

Also, don't run clippy in test-all.sh. We do generally want to fix things
clippy reports, however it's not a requirement that the code be kept
clippy-warning-free at all times.
 2018-10-09 14:41:07 -07:00
Dan Gohman
5a96e022db Update to the rustfmt in rust 1.29, which is now stable. 2018-10-09 14:36:48 -07:00
Dan Gohman
ecae909b9e Add the "wasm" category in Cargo.toml files. 2018-08-28 21:03:07 -07:00