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Commit Graph

56 Commits

Author SHA1 Message Date
Richard Musiol
db91ee3651 misc/wasm: pollute global JS namespace less
This commit changes wasm_exec.js so it only puts the single
name "go" into the global namespace. Other names became private
or were turned into a property/method of "go".

Change-Id: I633829dfd3c06936f092c0a14b9978bf855e41fe
Reviewed-on: https://go-review.googlesource.com/112980
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Agniva De Sarker <agniva.quicksilver@gmail.com>
2018-05-15 14:15:07 +00:00
Richard Musiol
35ea62468b runtime: add js/wasm architecture
This commit adds the js/wasm architecture to the runtime package.
Currently WebAssembly has no support for threads yet, see
https://github.com/WebAssembly/design/issues/1073. Because of that,
there is no preemption of goroutines and no sysmon goroutine.

Design doc: https://docs.google.com/document/d/131vjr4DH6JFnb-blm_uRdaC0_Nv3OUwjEY5qVCxCup4
About WebAssembly assembly files: https://docs.google.com/document/d/1GRmy3rA4DiYtBlX-I1Jr_iHykbX8EixC3Mq0TCYqbKc

Updates #18892

Change-Id: I7f12d21b5180500d55ae9fd2f7e926a1731db391
Reviewed-on: https://go-review.googlesource.com/103877
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2018-05-08 00:17:34 +00:00
Richard Musiol
f41dc711d8 cmd/link: add wasm architecture
This commit adds the wasm architecture to the link command.

Design doc: https://docs.google.com/document/d/131vjr4DH6JFnb-blm_uRdaC0_Nv3OUwjEY5qVCxCup4

Updates #18892

Change-Id: I5aef29954984537f2979679b5d393209e462f564
Reviewed-on: https://go-review.googlesource.com/103795
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2018-05-07 23:29:33 +00:00
Richard Musiol
7b83636800 syscall/js: add package
This commit adds the syscall/js package, which is used by the wasm
architecture to access the WebAssembly host environment (and the
operating system through it). Currently, web browsers and Node.js
are supported hosts, which is why the API is based on JavaScript APIs.
There is no common API standardized in the WebAssembly ecosystem yet.

This package is experimental. Its current scope is only to allow
tests to run, but not yet to provide a comprehensive API for users.

Updates #18892

Change-Id: I236ea10a70d95cdd50562212f2c18c3db5009230
Reviewed-on: https://go-review.googlesource.com/109195
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-03 18:00:07 +00:00
Richard Musiol
adb52cff58 misc/wasm: wasm_exec: non-zero exit code on compile error
Return a non-zero exit code if the WebAssembly host fails to compile
the WebAssmbly bytecode to machine code.

Change-Id: I774309db2872b6a2de77a1b0392608058414160d
Reviewed-on: https://go-review.googlesource.com/110097
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-04-27 20:57:51 +00:00
Richard Musiol
f63250238b misc/wasm: add scripts for running WebAssembly binaries
This commit adds scripts for running the WebAssembly binaries that the
Go compiler will produce.

The script go_js_wasm_exec uses Node.js to run the binaries. Adding it
to PATH will enable "go run" and "go test" to work for js/wasm
without having to manually provide the -exec flag.
See https://golang.org/cmd/go/#hdr-Compile_and_run_Go_program
for more information.

The web page wasm_exec.html is an example on how to run the same
binaries in a web browser.

Both scripts use wasm_exec.js as a shared library.

Updates #18892

Change-Id: Ia4d9bea025957750baa0d0651243dc88f156f85d
Reviewed-on: https://go-review.googlesource.com/103255
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-03-30 05:13:31 +00:00