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Fix possible crash

This commit is contained in:
kotori0 2020-12-20 23:24:37 +08:00
parent 2428fd2ffc
commit ac5389e21f
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GPG Key ID: 3FEE57ED0385A6B2
2 changed files with 5 additions and 4 deletions
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2
edxp-core/src/main/cpp/external/yahfa/src/HookMain.cpp vendored
View File

@ -130,7 +130,7 @@ static int replaceMethod(void *fromMethod, void *toMethod, int isBackup) {
void *originEntrypoint = readAddr((char *) toMethod + OFFSET_entry_point_from_quick_compiled_code_in_ArtMethod);
// entry point hardcoded
newEntrypoint = genTrampoline(toMethod, originEntrypoint);
replaced_entrypoint[fromMethod] = newEntrypoint;
replaced_entrypoint[toMethod] = originEntrypoint;
}
else {
// entry point from ArtMethod struct

7
edxp-core/src/main/cpp/main/include/art/runtime/art_method.h
View File

@ -38,8 +38,8 @@ namespace art {
CREATE_HOOK_STUB_ENTRIES(void *, GetOatQuickMethodHeader, void *thiz, uintptr_t pc) {
// This is a partial copy from AOSP. We only touch them if they are hooked.
if (UNLIKELY(edxp::isHooked(thiz))) {
uintptr_t original_ep = reinterpret_cast<uintptr_t>(getOriginalEntryPointFromTargetMethod(
thiz));
uintptr_t original_ep = reinterpret_cast<uintptr_t>(
getOriginalEntryPointFromTargetMethod(thiz));
if (original_ep) {
char *code_length_loc =
reinterpret_cast<char *>(original_ep) + oat_header_code_length_offset;
@ -53,7 +53,8 @@ namespace art {
LOGD("art_method::GetOatQuickMethodHeader: PC not found in current method.");
return nullptr;
} else {
LOGD("art_method::GetOatQuickMethodHeader: isHooked but not backup, fallback to system");
LOGD("art_method::GetOatQuickMethodHeader: ArtMethod=%p (%s), isHooked=true, pc=0x%x, isHooked but not backup, fallback to system",
thiz, PrettyMethod(thiz).c_str(), pc);
}
}
return GetOatQuickMethodHeaderBackup(thiz, pc);