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Enable wasi-common by default (#177)

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This removes the --wasi-common, as it's now on by default, and adds a
--wasi-c option to enable the wasi-c implementation.
This commit is contained in:
Dan Gohman
2019-06-25 02:05:49 -07:00
committed by Till Schneidereit
parent d900a5f6ef
commit c0ba4753eb
2 changed files with 13 additions and 14 deletions
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5
Cargo.toml
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@@ -31,6 +31,7 @@ wasmtime-jit = { path = "wasmtime-jit" }
wasmtime-obj = { path = "wasmtime-obj" }
wasmtime-wast = { path = "wasmtime-wast" }
wasmtime-wasi = { path = "wasmtime-wasi" }
wasmtime-wasi-c = { path = "wasmtime-wasi-c", optional = true }
wasi-common = { git = "https://github.com/CraneStation/wasi-common" }
docopt = "1.0.1"
serde = "1.0.75"
@@ -43,10 +44,8 @@ wabt = "0.7"
libc = "0.2.50"
errno = "0.2.4"
[target.'cfg(unix)'.dependencies]
wasmtime-wasi-c = { path = "wasmtime-wasi-c" }
[workspace]
[features]
lightbeam = ["wasmtime-environ/lightbeam", "wasmtime-jit/lightbeam"]
wasi-c = ["wasmtime-wasi-c"]

22
src/wasmtime.rs
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@@ -53,7 +53,7 @@ use wasmtime_jit::{ActionOutcome, Context};
use wasmtime_wasi::instantiate_wasi;
use wasmtime_wast::instantiate_spectest;
#[cfg(unix)]
#[cfg(feature = "wasi-c")]
use wasmtime_wasi_c::instantiate_wasi_c;
static LOG_FILENAME_PREFIX: &str = "wasmtime.dbg.";
@@ -66,8 +66,8 @@ including calling the start function if one is present. Additional functions
given with --invoke are then called.
Usage:
wasmtime [-odg] [--wasi-common] [--preload=<wasm>...] [--env=<env>...] [--dir=<dir>...] [--mapdir=<mapping>...] <file> [<arg>...]
wasmtime [-odg] [--wasi-common] [--preload=<wasm>...] [--env=<env>...] [--dir=<dir>...] [--mapdir=<mapping>...] --invoke=<fn> <file> [<arg>...]
wasmtime [-odg] [--wasi-c] [--preload=<wasm>...] [--env=<env>...] [--dir=<dir>...] [--mapdir=<mapping>...] <file> [<arg>...]
wasmtime [-odg] [--wasi-c] [--preload=<wasm>...] [--env=<env>...] [--dir=<dir>...] [--mapdir=<mapping>...] --invoke=<fn> <file> [<arg>...]
wasmtime --help | --version
Options:
@@ -75,7 +75,7 @@ Options:
-o, --optimize runs optimization passes on the translated functions
-g generate debug information
-d, --debug enable debug output on stderr/stdout
--wasi-common enable the wasi-common implementation of WASI
--wasi-c enable the wasi-c implementation of WASI
--preload=<wasm> load an additional wasm module before loading the main module
--env=<env> pass an environment variable (\"key=value\") to the program
--dir=<dir> grant access to the given host directory
@@ -97,7 +97,7 @@ struct Args {
flag_env: Vec<String>,
flag_dir: Vec<String>,
flag_mapdir: Vec<String>,
flag_wasi_common: bool,
flag_wasi_c: bool,
}
fn read_to_end(path: PathBuf) -> Result<Vec<u8>, io::Error> {
@@ -235,17 +235,17 @@ fn main() {
let argv = compute_argv(&args.arg_file, &args.arg_arg);
let environ = compute_environ(&args.flag_env);
let wasi = if args.flag_wasi_common {
instantiate_wasi("", global_exports, &preopen_dirs, &argv, &environ)
} else {
#[cfg(unix)]
let wasi = if args.flag_wasi_c {
#[cfg(feature = "wasi-c")]
{
instantiate_wasi_c("", global_exports, &preopen_dirs, &argv, &environ)
}
#[cfg(not(unix))]
#[cfg(not(feature = "wasi-c"))]
{
unimplemented!("wasmtime-wasi-c requires a *nix")
panic!("wasi-c feature not enabled at build time")
}
} else {
instantiate_wasi("", global_exports, &preopen_dirs, &argv, &environ)
}
.expect("instantiating wasi");