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422 Commits

Author SHA1 Message Date
Dan Gohman
b2fefe7714 WASI prototype design, implementation, and documentation. 
This adds documents describing the WASI Core API, and an implementation in
Wasmtime.
 2019-03-27 10:58:43 -07:00
Yury Delendik
ddbc00752e Generate debug info for LLDB/GDB (#50) 
* Transform DWARF sections into native format for wasm2obj and wasmtime.

Generate DWARF sections based on WASM DWARF.
Ignore some of debug_info/debug_line for dead code.

* Fix test
 2019-03-06 16:03:32 -08:00
Dan Gohman
04d4b20df4 Fix clippy.toml paths and a few clippy lints. 2019-03-01 15:49:29 -08:00
Dan Gohman
5f201f6d73 Rename Instance to InstanceHandle. 2019-02-26 08:54:36 -08:00
Dan Gohman
077ee717a8 Make Instance a refcounting handle around InstanceContents. 2019-02-26 08:54:36 -08:00
Dan Gohman
602e81a895 Minor code reorganization. 2019-02-01 18:20:59 -08:00
Dan Gohman
ddb8453b0d Move wasmtime's instantiation test into a separate file. 2019-02-01 18:20:59 -08:00
Dan Gohman
72ee874986 Factor out a function for reading a wasm file. 2019-02-01 18:20:59 -08:00
Dan Gohman
8b140cc748 Create a Context class to group together various state objects. 2019-02-01 18:20:59 -08:00
Dan Gohman
00a4e93bcd Add a concept of "global exports". 
This adds a feature which allows one to look up an export by name
without knowing what module it's in -- `lookup_global_export` on an
`InstanceContents`.

The main expected use for this is to support APIs where module A
imports a function from module B, and module B needs to access module
A's memory. B can't import it from A in the normal way, because that
would create a dependency cycle. So for now, allow B to look up A's
exported memory dynamically with `lookup_global_export`.

In the future, with reference types and possibly host bindings, we'll be
able to pass references to memory as arguments, which will obviate the
need for this mechanism.
 2019-01-22 16:32:07 -08:00
Dan Gohman
35d7f78a11 Handle errors cleanly in the wast runner. 2019-01-03 14:16:48 -08:00
Dan Gohman
f6c2fe7d2d Update to Rust 2018 Edition. 2019-01-03 12:58:11 -08:00
Dan Gohman
529de7ca60 Tidy up unneeded '&'s. 2019-01-03 12:03:52 -08:00
Dan Gohman
7592c99f3b Refactor the compilation and instantiation pipeline. 
wasmtime-execute is now wasmtime-jit. Move `JITCode` and the TargetIsa
into a new `Compiler` type. `InstancePlus` is no more, with trampoline
functionality now handled by `Compiler`.
 2019-01-03 11:47:55 -08:00
Dan Gohman
450a279e18 Rename wasmtime's logfile names. 2019-01-03 11:47:40 -08:00
Dan Gohman
a5a23d8c4a Factor WasmNamespace out of lib/wast and into lib/execute as Namespace. 
This makes it usable for things other than just wast tests.
 2018-12-24 22:08:36 -08:00
Dan Gohman
3f24098edc Implement the remaining valid spec tests. 
And lots of other miscellaneous changes. Rename InstanceWorld to
InstancePlus and reorganize its contents. This still isn't a great name,
but at least now it has a clear purpose.
 2018-12-12 11:49:02 -08:00
Dan Gohman
56850d481d Initial support for function, table, memory, and global imports. 2018-12-11 12:49:14 -08:00
Dan Gohman
7dcca6be5b Improve error handling, and start refactoring Instance. 
Introduce proper error handling in several places, and perform a first
pass at refactoring Instance to make it easier to use.
 2018-12-07 23:51:23 -05:00
Dan Gohman
fe562297a7 Rename wasmtime's --function to --invoke. 
This highlights the similarity with the `invoke` command in `wast` files.
 2018-12-07 06:25:23 -05:00
Dan Gohman
a635861425 Report traps in functions invoked from the command line. 2018-12-06 23:56:45 -05:00
Dan Gohman
dca7729313 Improve error handling and misc cleanups. 2018-12-06 23:03:12 -05:00
Dan Gohman
08488591a9 Fix clippy warning namespaces. 2018-12-06 23:02:42 -05:00
Dan Gohman
d9b4bd1de8 Support imports. 2018-12-06 23:02:19 -05:00
Dan Gohman
8170a9db79 Update to the rustfmt in rust 1.31, which is now stable. 2018-12-06 22:59:46 -05:00
Dan Gohman
57635eb62b Implement minimal call_indirect signature checking. 2018-12-05 11:32:28 -05:00
Dan Gohman
04b7f0c0df Fix the description of the wasmtime program. 2018-12-05 02:25:34 -05:00
Dan Gohman
7faa15d7ac More infrastructure. 
Improve handling of memory.grow/size, add a standalone wast runner,
test harness improvements.
 2018-12-05 02:25:34 -05:00
Dan Gohman
bd69768e0d Improve infrastructure. 
Do more encapsulation of raw pointers, use more PrimaryMaps instead of
Vecs, add a table.rs for managing table storage.
 2018-12-05 02:25:34 -05:00
Dan Gohman
099f85f821 Rename main.rs to wasmtime.rs. 2018-12-05 02:25:34 -05:00
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
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
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
b3d831015c Add basic logging support to the wasmtime binary. 2018-11-29 15:38:12 -08:00
Frank Rehberger
4ac41213ad Add test_environ_translate 2018-11-28 04:33:14 -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
74ccddcd64 Update to Cranelift 0.24. 2018-11-25 05:08:29 -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
Nathan Froyd
5f11f44482 add a --target option to wasm2obj 2018-10-10 08:10:09 -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
Sergey Pepyakin
7b222190f5 Implement tables and call_indirect (#12) 
* Implement tables and call_indirect

* Restore comment about sig checking.

* Widen callee index on 64bit platforms.
 2018-08-15 16:25:49 -07:00
Dan Gohman
4992162fab Format with rustfmt. 2018-08-03 15:37:57 -07:00
Dan Gohman
548c45c604 Rename wasmtime-runtime to wasmtime-environ. 
This mirrors changes in cranelift.
 2018-08-03 15:20:19 -07:00
Dan Gohman
ef5254c0da More code reorganization and cleanups. 2018-08-03 15:06:59 -07:00
Dan Gohman
831b481f13 More code reorganization. 2018-08-03 14:18:23 -07:00
Dan Gohman
6659ef7018 More code reorganization. 2018-08-03 13:35:25 -07:00
Dan Gohman
2608dd0c47 Update to cranelift 0.16.1, target-lexicon 0.0.3, faerie 0.4.4. 2018-07-21 06:46:19 -07:00
Dan Gohman
c612d48b33 Rename to wasmtime. It's wasmtime! 
Also, update to Cretonne 0.13.0.
 2018-07-02 16:20:22 -07:00
Dan Gohman
73639e4557 Update to cretonne 0.9.0 and faerie 0.4.1. 2018-06-07 14:37:36 -07:00
Dan Gohman
99ee96ca16 Update to latest stable rustfmt-preview. 2018-06-07 14:17:56 -07:00