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Get ClassLinker instance from art::Runtime

This commit is contained in:
kotori0 2020-11-05 20:44:17 +08:00 committed by solohsu
parent 1ea3c22e1c
commit 15c1aa51d3
2 changed files with 19 additions and 0 deletions
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16
edxp-core/src/main/cpp/main/include/art/runtime/class_linker.h
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@ -23,6 +23,7 @@ namespace art {
} }
CREATE_HOOK_STUB_ENTRIES(void *, Constructor, void *thiz, void *intern_table) { CREATE_HOOK_STUB_ENTRIES(void *, Constructor, void *thiz, void *intern_table) {
LOGI("ConstructorReplace called");
if (LIKELY(instance_)) if (LIKELY(instance_))
instance_->Reset(thiz); instance_->Reset(thiz);
else else
@ -62,6 +63,20 @@ namespace art {
// @ApiSensitive(Level.MIDDLE) // @ApiSensitive(Level.MIDDLE)
static void Setup(void *handle, HookFunType hook_func) { static void Setup(void *handle, HookFunType hook_func) {
LOGD("Classlinker hook setup, handle=%p", handle);
// TODO: Maybe not compatible with Android 10-
#ifdef __LP64__
size_t OFFSET_classlinker = 472 / 8;
#else
size_t OFFSET_classlinker = 276 / 4;
#endif
// ClassLinker* GetClassLinker() but inlined
void* cl = reinterpret_cast<void*>(
reinterpret_cast<size_t*>(Runtime::Current()->Get()) + OFFSET_classlinker
);
LOGD("Classlinker object: %p", cl);
instance_ = new ClassLinker(cl);
HOOK_FUNC(Constructor, "_ZN3art11ClassLinkerC2EPNS_11InternTableE", HOOK_FUNC(Constructor, "_ZN3art11ClassLinkerC2EPNS_11InternTableE",
"_ZN3art11ClassLinkerC2EPNS_11InternTableEb"); // 10.0 "_ZN3art11ClassLinkerC2EPNS_11InternTableEb"); // 10.0
RETRIEVE_FUNC_SYMBOL(SetEntryPointsToInterpreter, RETRIEVE_FUNC_SYMBOL(SetEntryPointsToInterpreter,
@ -76,6 +91,7 @@ namespace art {
} }
ALWAYS_INLINE void SetEntryPointsToInterpreter(void *art_method) const { ALWAYS_INLINE void SetEntryPointsToInterpreter(void *art_method) const {
LOGD("SetEntryPointsToInterpreter start, thiz=%p, art_method=%p", thiz_, art_method);
if (LIKELY(thiz_)) if (LIKELY(thiz_))
SetEntryPointsToInterpreter(thiz_, art_method); SetEntryPointsToInterpreter(thiz_, art_method);
} }

3
edxp-core/src/main/cpp/main/include/art/runtime/runtime.h
View File

@ -41,6 +41,9 @@ namespace art {
HOOK_FUNC(Init, "_ZN3art7Runtime4InitEONS_18RuntimeArgumentMapE"); HOOK_FUNC(Init, "_ZN3art7Runtime4InitEONS_18RuntimeArgumentMapE");
RETRIEVE_FUNC_SYMBOL(DeoptimizeBootImage, RETRIEVE_FUNC_SYMBOL(DeoptimizeBootImage,
"_ZN3art7Runtime19DeoptimizeBootImageEv"); "_ZN3art7Runtime19DeoptimizeBootImageEv");
RETRIEVE_FIELD_SYMBOL(thiz, "_ZN3art7Runtime9instance_E");
LOGD("_ZN3art7Runtime9instance_E = %p", thiz);
instance_ = new Runtime(thiz);
} }
ALWAYS_INLINE void DeoptimizeBootImage() const { ALWAYS_INLINE void DeoptimizeBootImage() const {