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Set entrypoint from interpreter for M

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This commit is contained in:
LoveSy 2022-03-09 14:59:49 +08:00
parent fea5dd6e03
commit 724245f2e7
1 changed files with 19 additions and 2 deletions
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21
lsplant/src/main/jni/art/runtime/art_method.hpp
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@ -26,6 +26,8 @@ class ArtMethod {
return nullptr;
}
CREATE_FUNC_SYMBOL_ENTRY(void, art_interpreter_to_compiled_code_bridge) {}
inline void ThrowInvocationTimeError() { ThrowInvocationTimeError(this); }
public:
@ -89,6 +91,11 @@ public:
void SetEntryPoint(void *entry_point) {
*reinterpret_cast<void **>(reinterpret_cast<uintptr_t>(this) + entry_point_offset) =
entry_point;
if (interpreter_entry_point_offset) [[unlikely]] {
*reinterpret_cast<void **>(reinterpret_cast<uintptr_t>(this) +
interpreter_entry_point_offset) =
reinterpret_cast<void *>(art_interpreter_to_compiled_code_bridgeSym);
}
}
void *GetEntryPoint() {
@ -169,10 +176,10 @@ public:
LOGW("ArtMethod size exceeds maximum assume. There may be something wrong.");
}
entry_point_offset = art_method_size - sizeof(void *);
entry_point_offset = art_method_size - kPointerSize;
LOGD("ArtMethod::entrypoint offset: %zu", entry_point_offset);
data_offset = entry_point_offset - sizeof(void *);
data_offset = entry_point_offset - kPointerSize;
LOGD("ArtMethod::data offset: %zu", data_offset);
if (auto access_flags_field = JNI_GetFieldID(env, executable, "accessFlags", "I");
@ -235,6 +242,15 @@ public:
if (sdk_int <= __ANDROID_API_N__) {
kAccCompileDontBother = 0;
}
if (sdk_int <= __ANDROID_API_M__) {
if (!RETRIEVE_FUNC_SYMBOL(art_interpreter_to_compiled_code_bridge,
"artInterpreterToCompiledCodeBridge")) {
return false;
}
if (sdk_int == __ANDROID_API_M__) [[unlikely]] {
interpreter_entry_point_offset = entry_point_offset - 2 * kPointerSize;
}
}
return true;
}
@ -253,6 +269,7 @@ private:
inline static jfieldID art_method_field = nullptr;
inline static size_t art_method_size = 0;
inline static size_t entry_point_offset = 0;
inline static size_t interpreter_entry_point_offset = 0;
inline static size_t data_offset = 0;
inline static size_t access_flags_offset = 0;
inline static uint32_t kAccFastInterpreterToInterpreterInvoke = 0x40000000;