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Load libRS_internal.so from the rs namespace

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Bug: 64747884
Test: VtsHalRenderscriptV1_0TargetTest successful on the device built
with BOARD_VNDK_VERSION=current and [system] namespace config is applied
to /data/nativetest[64]/* processes.

Merged-In: I9e967c80ac2dba718cd47e1f378bcbf18abe9ad2
Change-Id: I9e967c80ac2dba718cd47e1f378bcbf18abe9ad2
(cherry picked from commit a7ef697a0a)
This commit is contained in:
Jiyong Park 2017-08-16 23:30:42 +09:00 committed by Jae Shin
parent cd76985909
commit 0f70905b7d
1 changed files with 22 additions and 1 deletions
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23
renderscript/1.0/default/Device.cpp
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@ -1,6 +1,9 @@
#include "Context.h"
#include "Device.h"
#include <android/dlext.h>
#include <dlfcn.h>
namespace android {
namespace hardware {
namespace renderscript {
@ -39,7 +42,25 @@ dispatchTable loadHAL() {
static_assert(sizeof(size_t) <= sizeof(uint64_t), "RenderScript HIDL Error: sizeof(size_t) > sizeof(uint64_t)");
const char* filename = "libRS_internal.so";
void* handle = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
// Try to load libRS_internal.so from the "rs" namespace directly.
typedef struct android_namespace_t* (*GetExportedNamespaceFnPtr)(const char*);
GetExportedNamespaceFnPtr getExportedNamespace =
(GetExportedNamespaceFnPtr)dlsym(RTLD_DEFAULT, "android_get_exported_namespace");
void* handle = nullptr;
if (getExportedNamespace != nullptr) {
android_namespace_t* rs_namespace = getExportedNamespace("rs");
if (rs_namespace != nullptr) {
const android_dlextinfo dlextinfo = {
.flags = ANDROID_DLEXT_USE_NAMESPACE, .library_namespace = rs_namespace,
};
handle = android_dlopen_ext(filename, RTLD_LAZY | RTLD_LOCAL, &dlextinfo);
}
}
if (handle == nullptr) {
// if there is no "rs" namespace (in case when this HAL impl is loaded
// into a vendor process), then use the plain dlopen.
handle = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
}
dispatchTable dispatchHal = {
.SetNativeLibDir = (SetNativeLibDirFnPtr) nullptr,