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YAHFA: Support for android 10 

Change-Id: I8d31014abff1ed15919ab10604a90be52d96c3a6
This commit is contained in:
Paulo Costa 2020-02-20 20:24:19 -03:00 committed by Jim Wu
parent 612a2a0fc5
commit 4621b6a485
1 changed files with 9 additions and 12 deletions
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21
edxp-core/src/main/cpp/external/yahfa/src/HookMain.c vendored
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@ -20,6 +20,7 @@ static int OFFSET_access_flags_in_ArtMethod;
static size_t ArtMethodSize;
static int kAccNative = 0x0100;
static int kAccCompileDontBother = 0x01000000;
static int kAccFastInterpreterToInterpreterInvoke = 0x40000000;
static inline uint16_t read16(void *addr) {
return *((uint16_t *) addr);
@ -29,8 +30,8 @@ static inline uint32_t read32(void *addr) {
return *((uint32_t *) addr);
}
static inline uint64_t read64(void *addr) {
return *((uint64_t *) addr);
static inline void write32(void *addr, uint32_t value) {
*((uint32_t *) addr) = value;
}
void Java_lab_galaxy_yahfa_HookMain_init(JNIEnv *env, jclass clazz, jint sdkVersion) {
@ -122,11 +123,7 @@ void setNonCompilable(void *method) {
int access_flags = read32((char *) method + OFFSET_access_flags_in_ArtMethod);
LOGI("setNonCompilable: access flags is 0x%x", access_flags);
access_flags |= kAccCompileDontBother;
memcpy(
(char *) method + OFFSET_access_flags_in_ArtMethod,
&access_flags,
4
);
write32((char *) method + OFFSET_access_flags_in_ArtMethod, access_flags);
}
bool setNativeFlag(void *method, bool isNative) {
@ -135,15 +132,15 @@ bool setNativeFlag(void *method, bool isNative) {
int old_access_flags = access_flags;
if (isNative) {
access_flags |= kAccNative;
if (SDKVersion >= ANDROID_Q) {
// On API 29 whether to use the fast path or not is cached in the ART method structure
access_flags &= ~kAccFastInterpreterToInterpreterInvoke;
}
} else {
access_flags &= ~kAccNative;
}
if (access_flags != old_access_flags) {
memcpy(
(char *) method + OFFSET_access_flags_in_ArtMethod,
&access_flags,
4
);
write32((char *) method + OFFSET_access_flags_in_ArtMethod, access_flags);
return true;
}
return false;