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[mono] UnsafeAccessor: Add support for generic method instance #101442

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merged 5 commits into from
Apr 27, 2024
Merged

[mono] UnsafeAccessor: Add support for generic method instance #101442

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8168b80
Support non generic instance
fanyang-mono Apr 23, 2024
0531ed9
Merge branch 'main' into unsafe_accessor_generic_2
lewing Apr 26, 2024
a46b375
Create helper function for shared code
fanyang-mono Apr 26, 2024
a380cde
Use an existing API
fanyang-mono Apr 26, 2024
468d481
Add an assert
fanyang-mono Apr 26, 2024
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41 changes: 25 additions & 16 deletions src/mono/mono/metadata/marshal-lightweight.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2393,6 +2393,27 @@ update_signature (MonoMethod *accessor_method)
g_assert_not_reached ();
}

static MonoClass *
get_container_class (MonoClass *klass)
{
return mono_class_is_ginst (klass) ? mono_class_get_generic_class (klass)->container_class : klass;
}

static MonoMethod *
inflate_method (MonoClass *klass, MonoMethod *method, MonoMethod *accessor_method, MonoError *error)
{
MonoMethod *result = method;
MonoGenericContext context = { NULL, NULL };
if (mono_class_is_ginst (klass))
context.class_inst = mono_class_get_generic_class (klass)->context.class_inst;
if (accessor_method->is_inflated)
context.method_inst = mono_method_get_context (accessor_method)->method_inst;
if ((context.class_inst != NULL) || (context.method_inst != NULL))
result = mono_class_inflate_generic_method_checked (method, &context, error);

return result;
}

static void
emit_unsafe_accessor_ctor_wrapper (MonoMethodBuilder *mb, MonoMethod *accessor_method, MonoMethodSignature *sig, MonoGenericContext *ctx, MonoUnsafeAccessorKind kind, const char *member_name)
{
Expand Down Expand Up @@ -2420,7 +2441,7 @@ emit_unsafe_accessor_ctor_wrapper (MonoMethodBuilder *mb, MonoMethod *accessor_m

MonoMethodSignature *member_sig = ctor_sig_from_accessor_sig (mb, sig, ctx);

MonoClass *in_class = mono_class_is_ginst (target_class) ? mono_class_get_generic_class (target_class)->container_class : target_class;
MonoClass *in_class = get_container_class (target_class);

MonoMethod *target_method = mono_unsafe_accessor_find_ctor (in_class, member_sig, target_class, find_method_error);
if (!is_ok (find_method_error) || target_method == NULL) {
Expand All @@ -2432,13 +2453,7 @@ emit_unsafe_accessor_ctor_wrapper (MonoMethodBuilder *mb, MonoMethod *accessor_m
return;
}

MonoGenericContext context = { NULL, NULL };
if (mono_class_is_ginst (target_class))
context.class_inst = mono_class_get_generic_class (target_class)->context.class_inst;
if (accessor_method->is_inflated)
context.method_inst = mono_method_get_context (accessor_method)->method_inst;
if ((context.class_inst != NULL) || (context.method_inst != NULL))
target_method = mono_class_inflate_generic_method_checked (target_method, &context, find_method_error);
target_method = inflate_method (target_class, target_method, accessor_method, find_method_error);

g_assert (target_method->klass == target_class);

Expand Down Expand Up @@ -2478,7 +2493,7 @@ emit_unsafe_accessor_method_wrapper (MonoMethodBuilder *mb, MonoMethod *accessor

MonoMethodSignature *member_sig = method_sig_from_accessor_sig (mb, hasthis, sig, ctx);

MonoClass *in_class = mono_class_is_ginst (target_class) ? mono_class_get_generic_class (target_class)->container_class : target_class;
MonoClass *in_class = get_container_class (target_class);

MonoMethod *target_method = NULL;
if (!ctor_as_method)
Expand All @@ -2494,13 +2509,7 @@ emit_unsafe_accessor_method_wrapper (MonoMethodBuilder *mb, MonoMethod *accessor
return;
}

MonoGenericContext context = { NULL, NULL };
if (mono_class_is_ginst (target_class))
context.class_inst = mono_class_get_generic_class (target_class)->context.class_inst;
if (accessor_method->is_inflated)
context.method_inst = mono_method_get_context (accessor_method)->method_inst;
if ((context.class_inst != NULL) || (context.method_inst != NULL))
target_method = mono_class_inflate_generic_method_checked (target_method, &context, find_method_error);
target_method = inflate_method (target_class, target_method, accessor_method, find_method_error);

if (!hasthis && target_method->klass != target_class) {
emit_missing_method_error (mb, find_method_error, member_name);
Expand Down
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