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[monodroid] Use MONO_AOT_MODE_INTERP_ONLY when available #5635

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merged 4 commits into from
Mar 3, 2021
Merged

[monodroid] Use MONO_AOT_MODE_INTERP_ONLY when available #5635

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fa12e80
[net6] use MONO_AOT_MODE_INTERP_ONLY
lambdageek Feb 17, 2021
bc35809
comments on #endif
jonpryor Mar 3, 2021
56c50bf
Comments on #endif
jonpryor Mar 3, 2021
cbadda2
comments on #endif
jonpryor Mar 3, 2021
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4 changes: 4 additions & 0 deletions src/monodroid/jni/android-system.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -657,8 +657,12 @@ AndroidSystem::setup_environment ()
break;

case 'i':
#if !defined (NET6)
aotMode = MonoAotMode::MONO_AOT_MODE_LAST;
aot_mode_last_is_interpreter = true;
#else
aotMode = MonoAotMode::MONO_AOT_MODE_INTERP_ONLY;
#endif
break;

default:
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10 changes: 10 additions & 0 deletions src/monodroid/jni/android-system.hh
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Expand Up @@ -101,14 +101,22 @@ namespace xamarin::android::internal

bool is_interpreter_enabled () const
{
#if !defined (NET6)
// HACK! See below
return get_mono_aot_mode () == MonoAotMode::MONO_AOT_MODE_LAST && is_aot_mode_last_really_interpreter_mode ();
#else
return get_mono_aot_mode () == MonoAotMode::MONO_AOT_MODE_INTERP_ONLY;
#endif
}

// Hack, see comment for `aot_mode_last_is_interpreter` at the bottom of the class declaration
bool is_aot_mode_last_really_interpreter_mode () const
{
#if !defined(NET6)
return aot_mode_last_is_interpreter;
#else
return false;
#endif
}

void set_running_in_emulator (bool yesno)
Expand Down Expand Up @@ -151,6 +159,7 @@ namespace xamarin::android::internal
MonoAotMode aotMode = MonoAotMode::MONO_AOT_MODE_NONE;
bool running_in_emulator = false;

#if !defined (NET6)
// This is a hack because of the way Mono currently switches the full interpreter (no JIT) mode. In Mono
// **internal** headers there's an AOT mode macro, `MONO_EE_MODE_INTERP`, whose value is exactly the same as
// MonoAotMode::MONO_AOT_MODE_LAST. However, we use `MonoAotMode::MONO_AOT_MODE_LAST` as a sentinel to indicate
Expand All @@ -161,6 +170,7 @@ namespace xamarin::android::internal
// See also: https://github.com/mono/mono/issues/18893
//
bool aot_mode_last_is_interpreter = false;
#endif
};
}
#endif // !__ANDROID_SYSTEM_H
8 changes: 8 additions & 0 deletions src/monodroid/jni/monodroid-glue.cc
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Expand Up @@ -1807,6 +1807,7 @@ MonodroidRuntime::Java_mono_android_Runtime_initInternal (JNIEnv *env, jclass kl
MonoAotMode mode = MonoAotMode::MONO_AOT_MODE_NONE;
if (androidSystem.is_mono_aot_enabled ()) {
mode = androidSystem.get_mono_aot_mode ();
#if !defined (NET6)
if (mode == MonoAotMode::MONO_AOT_MODE_LAST) {
// Hack. See comments in android-system.hh
if (!androidSystem.is_interpreter_enabled ()) {
Expand All @@ -1821,6 +1822,13 @@ MonodroidRuntime::Java_mono_android_Runtime_initInternal (JNIEnv *env, jclass kl
log_info (LOG_DEFAULT, "Enabling Mono Interpreter");
}
}
#else
if (mode != MonoAotMode::MONO_AOT_MODE_INTERP_ONLY) {
log_info (LOG_DEFAULT, "Enabling AOT mode in Mono");
} else {
log_info (LOG_DEFAULT, "Enabling Mono Interpreter");
}
#endif
}
mono_jit_set_aot_mode (mode);

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