libshim: add '__pthread_gettid' shim for MM/3.18-based mediatek devices

Based off https://github.com/ashwinr64/android_device_motorola_taido
shim

4 files changed, 41 insertions, 1 deletions

diff --git a/README.md b/README.md
index 5c3f2e4..2155ceb 100644
--- a/README.md
+++ b/README.md
@@ -29,8 +29,9 @@ The only configuration libshim needs is the following flags :
 `#LIBSHIM_UI_SYMBOLS := true`  
 `#LIBSHIM_GUI_SYMBOLS := true`  
 `#LIBSHIM_OMX_SYMBOLS := true`  
+`#LIBSHIM_BIONIC_SYMBOLS := true`
 `#LIBSHIM_AGPS_SYMBOLS := true`  
-`#LIBSHIM_ATOMIC_SYMBOLS := true`
+`#LIBSHIM_ATOMIC_SYMBOLS := true`  
 (copy/paste in `BoardConfig.mk` & uncomment the flags you need)
 
 # Optional :
diff --git a/libshims/Android.mk b/libshims/Android.mk
index b5c764e..0fab3ed 100644
--- a/libshims/Android.mk
+++ b/libshims/Android.mk
@@ -29,6 +29,17 @@ LOCAL_CFLAGS := -O3 -Wno-unused-variable -Wno-unused-parameter
 LOCAL_PROPRIETARY_MODULE := true
 include $(BUILD_SHARED_LIBRARY)
 
+
+## libshim_bionic
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := bionic.cpp
+LOCAL_MODULE := libshims_bionic
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+LOCAL_SHARED_LIBRARIES := libc
+include $(BUILD_SHARED_LIBRARY)
+
+
 ## libshim_omx
 include $(CLEAR_VARS)
 
diff --git a/libshims/misc/bionic.cpp b/libshims/misc/bionic.cpp
new file mode 100644
index 0000000..f92ec52
--- /dev/null
+++ b/libshims/misc/bionic.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2017 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <pthread.h>
+
+extern "C" {
+pid_t __pthread_gettid(pthread_t t) {
+    return pthread_gettid_np(t);
+  }
+}
+
diff --git a/product/libshims.mk b/product/libshims.mk
index 674b04b..211489a 100644
--- a/product/libshims.mk
+++ b/product/libshims.mk
@@ -19,6 +19,10 @@ ifeq ($(LIBSHIM_OMX_SYMBOLS),true)
 PRODUCT_PACKAGES += libshim_omx
 LINKER_FORCED_SHIM_LIBS := $(LINKER_FORCED_SHIM_LIBS):/vendor/lib/libMtkOmxVdec.so|libshim_omx.so
 endif
+ifeq ($(LIBSHIM_BIONIC_SYMBOLS),true)
+PRODUCT_PACKAGES += libshim_bionic
+LINKER_FORCED_SHIM_LIBS := $(LINKER_FORCED_SHIM_LIBS):/system/lib/libc.so|libshims_bionic.so:/system/lib64/libc.so|libshims_bionic.so
+endif
 ifeq ($(LIBSHIM_AGPS_SYMBOLS),true)
 PRODUCT_PACKAGES += libshim_agps
 LINKER_FORCED_SHIM_LIBS := $(LINKER_FORCED_SHIM_LIBS):/vendor/bin/mtk_agpsd|libshim_agps.so