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Add a compile command to Wasmtime.

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This commit adds a `compile` command to the Wasmtime CLI.

The command can be used to Ahead-Of-Time (AOT) compile WebAssembly modules.

With the `all-arch` feature enabled, AOT compilation can be performed for
non-native architectures (i.e. cross-compilation).

The `Module::compile` method has been added to perform AOT compilation.

A few of the CLI flags relating to "on by default" Wasm features have been
changed to be "--disable-XYZ" flags.

A simple example of using the `wasmtime compile` command:

```text
$ wasmtime compile input.wasm
$ wasmtime input.cwasm
```
This commit is contained in:
Peter Huene
2021-03-24 18:49:33 -07:00
parent 90aa5cf49f
commit 29d366db7b
35 changed files with 1618 additions and 278 deletions
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12
cranelift/codegen/src/isa/mod.rs
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@@ -63,8 +63,7 @@ use crate::result::CodegenResult;
use crate::settings;
use crate::settings::SetResult;
use crate::timing;
use alloc::borrow::Cow;
use alloc::boxed::Box;
use alloc::{borrow::Cow, boxed::Box, string::String, vec::Vec};
use core::any::Any;
use core::fmt;
use core::fmt::{Debug, Formatter};
@@ -265,8 +264,13 @@ pub trait TargetIsa: fmt::Display + Send + Sync {
/// Get the ISA-independent flags that were used to make this trait object.
fn flags(&self) -> &settings::Flags;
/// Hashes all flags, both ISA-independent and ISA-specific, into the
/// specified hasher.
/// Get the enabled ISA-dependent flags that were used to make this trait object.
fn enabled_isa_flags(&self) -> Vec<String>;
/// Determines if the given ISA-dependent flag is enabled.
fn is_flag_enabled(&self, flag: &str) -> bool;
/// Hashes all flags, both ISA-independent and ISA-dependent, into the specified hasher.
fn hash_all_flags(&self, hasher: &mut dyn Hasher);
/// Get the default calling convention of this target.