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android: disable JIT in SM to workaround #31134 (#31270)

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The crash when loading servo.org happens in the JIT code
emitted by SM's CacheIRCompiler to invoke the VM function
`ProxyGetPropertyByValue`.

To disable this code path, it is not sufficient to disable
just the baseline JIT (which exposed in servo under the
pref `js.baseline.enabled`) but also the baseline
interpreter which is controlled by a different flag in SM.

This PR disables renames the `js.baseline.enabled` pref in
Servo to `js.baseline_jit.enabled` and introduces a new
pref `js.baseline_interpreter.enabled` that controls the
baseline interpreter.

Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com>
This commit is contained in:
Mukilan Thiyagarajan 2024-02-07 09:29:28 +05:30 • committed by GitHub
parent 64116eff20
commit d8958f9693
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GPG key ID: B5690EEEBB952194
4 changed files with 23 additions and 6 deletions
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10
ports/jniapi/src/lib.rs
View file

@ -7,6 +7,7 @@
mod gl_glue;
mod simpleservo;
use std::collections::HashMap;
use std::os::raw::{c_char, c_int, c_void};
use std::sync::Arc;
use std::thread;
@ -845,13 +846,20 @@ fn get_options(
};
let native_window = unsafe { ANativeWindow_fromSurface(env.get_native_interface(), surface) };
// FIXME: enable JIT compilation on Android after the startup crash issue (#31134) is fixed.
let mut prefs = HashMap::new();
prefs.insert("js.baseline_interpreter.enabled".to_string(), false.into());
prefs.insert("js.baseline_jit.enabled".to_string(), false.into());
prefs.insert("js.ion.enabled".to_string(), false.into());
let opts = InitOptions {
args: args.unwrap_or(vec![]),
coordinates,
density,
xr_discovery: None,
surfman_integration: simpleservo::SurfmanIntegration::Widget(native_window),
prefs: None,
prefs: Some(prefs),
};
Ok((opts, log, log_str, gst_debug_str))
}