Create runtime stubs for compute driver.

Change-Id: I8e0250a642844a2ad3ff6efc38e385445b7da032

8 files changed, 1188 insertions, 20 deletions

diff --git a/driver/rsdBcc.cpp b/driver/rsdBcc.cpp
index 20aef493..2c6840b9 100644
--- a/driver/rsdBcc.cpp
+++ b/driver/rsdBcc.cpp
@@ -17,6 +17,7 @@
 
 #include "rsdCore.h"
 #include "rsdBcc.h"
+#include "rsdRuntime.h"
 
 #include "rsContext.h"
 #include "rsScriptC.h"
@@ -129,8 +130,7 @@ bool rsdScriptInit(const Context *rsc,
                      char const *cacheDir,
                      uint8_t const *bitcode,
                      size_t bitcodeSize,
-                     uint32_t flags,
-                     RsHalSymbolLookupFunc lookupFunc) {
+                     uint32_t flags) {
     //LOGE("rsdScriptCreate %p %p %p %p %i %i %p", rsc, resName, cacheDir, bitcode, bitcodeSize, flags, lookupFunc);
 
     char *cachePath = NULL;
@@ -149,7 +149,7 @@ bool rsdScriptInit(const Context *rsc,
 
     //LOGE("mBccScript %p", script->mBccScript);
 
-    if (bccRegisterSymbolCallback(drv->mBccScript, lookupFunc, script) != 0) {
+    if (bccRegisterSymbolCallback(drv->mBccScript, &rsdLookupRuntimeStub, script) != 0) {
         LOGE("bcc: FAILS to register symbol callback");
         goto error;
     }
@@ -334,7 +334,7 @@ void rsdScriptInvokeForEach(const Context *rsc,
                             uint32_t usrLen,
                             const RsScriptCall *sc) {
 
-    RsHal * dc = (RsHal *)rsc->mHal.drv;
+    RsdHal * dc = (RsdHal *)rsc->mHal.drv;
 
     MTLaunchStruct mtls;
     memset(&mtls, 0, sizeof(mtls));
@@ -513,7 +513,7 @@ void rsdScriptSetGlobalObj(const Context *dc, const Script *script, uint32_t slo
         return;
     }
 
-    rsiSetObject((ObjectBase **)destPtr, data);
+    rsrSetObject(dc, script, (ObjectBase **)destPtr, data);
 }
 
 void rsdScriptDestroy(const Context *dc, Script *script) {
@@ -525,7 +525,7 @@ void rsdScriptDestroy(const Context *dc, Script *script) {
                 // The field address can be NULL if the script-side has
                 // optimized the corresponding global variable away.
                 if (drv->mFieldAddress[ct]) {
-                    rsiClearObject((ObjectBase **)drv->mFieldAddress[ct]);
+                    rsrClearObject(dc, script, (ObjectBase **)drv->mFieldAddress[ct]);
                 }
             }
         }
diff --git a/driver/rsdBcc.h b/driver/rsdBcc.h
index ae7a7af3..62b50f47 100644
--- a/driver/rsdBcc.h
+++ b/driver/rsdBcc.h
@@ -18,12 +18,12 @@
 #define RSD_BCC_H
 
 #include <rs_hal.h>
+#include <rsRuntime.h>
 
 
 bool rsdScriptInit(const android::renderscript::Context *, android::renderscript::ScriptC *,
                    char const *resName, char const *cacheDir,
-                   uint8_t const *bitcode, size_t bitcodeSize,
-                   uint32_t flags, android::renderscript::RsHalSymbolLookupFunc lookupFunc);
+                   uint8_t const *bitcode, size_t bitcodeSize, uint32_t flags);
 void rsdScriptInvokeFunction(const android::renderscript::Context *dc,
                              android::renderscript::Script *script,
                              uint32_t slot,
diff --git a/driver/rsdCore.cpp b/driver/rsdCore.cpp
index 75f4d6b0..c01e5ab5 100644
--- a/driver/rsdCore.cpp
+++ b/driver/rsdCore.cpp
@@ -77,7 +77,7 @@ static RsdHalFunctions FunctionTable = {
 
 static void * HelperThreadProc(void *vrsc) {
     Context *rsc = static_cast<Context *>(vrsc);
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
 
 
     uint32_t idx = (uint32_t)android_atomic_inc(&dc->mWorkers.mLaunchCount);
@@ -116,7 +116,7 @@ static void * HelperThreadProc(void *vrsc) {
 }
 
 void rsdLaunchThreads(Context *rsc, WorkerCallback_t cbk, void *data) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
 
     dc->mWorkers.mLaunchData = data;
     dc->mWorkers.mLaunchCallback = cbk;
@@ -132,7 +132,7 @@ void rsdLaunchThreads(Context *rsc, WorkerCallback_t cbk, void *data) {
 bool rsdHalInit(Context *rsc, uint32_t version_major, uint32_t version_minor) {
     rsc->mHal.funcs = FunctionTable;
 
-    RsHal *dc = (RsHal *)calloc(1, sizeof(RsHal));
+    RsdHal *dc = (RsdHal *)calloc(1, sizeof(RsdHal));
     if (!dc) {
         LOGE("Calloc for driver hal failed.");
         return false;
@@ -181,14 +181,14 @@ bool rsdHalInit(Context *rsc, uint32_t version_major, uint32_t version_minor) {
 
 
 void SetPriority(const Context *rsc, int32_t priority) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
     for (uint32_t ct=0; ct < dc->mWorkers.mCount; ct++) {
         setpriority(PRIO_PROCESS, dc->mWorkers.mNativeThreadId[ct], priority);
     }
 }
 
 void Shutdown(Context *rsc) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
 
     dc->mExit = true;
     dc->mWorkers.mLaunchData = NULL;
diff --git a/driver/rsdCore.h b/driver/rsdCore.h
index e37698b7..c8df5753 100644
--- a/driver/rsdCore.h
+++ b/driver/rsdCore.h
@@ -28,7 +28,13 @@
 typedef void (* InvokeFunc_t)(void);
 typedef void (*WorkerCallback_t)(void *usr, uint32_t idx);
 
-typedef struct RsHalRec {
+typedef struct RsdSymbolTableRec {
+    const char * mName;
+    void * mPtr;
+    bool threadable;
+} RsdSymbolTable;
+
+typedef struct RsdHalRec {
     uint32_t version_major;
     uint32_t version_minor;
 
@@ -48,7 +54,7 @@ typedef struct RsHalRec {
     bool mExit;
 
     RsdGL gl;
-} RsHal;
+} RsdHal;
 
 
 
diff --git a/driver/rsdGL.cpp b/driver/rsdGL.cpp
index 86dfa0fa..6238edd6 100644
--- a/driver/rsdGL.cpp
+++ b/driver/rsdGL.cpp
@@ -107,7 +107,7 @@ static void printEGLConfiguration(EGLDisplay dpy, EGLConfig config) {
     }
 }
 
-static void DumpDebug(RsHal *dc) {
+static void DumpDebug(RsdHal *dc) {
     LOGE(" EGL ver %i %i", dc->gl.egl.majorVersion, dc->gl.egl.minorVersion);
     LOGE(" EGL context %p  surface %p,  Display=%p", dc->gl.egl.context, dc->gl.egl.surface,
          dc->gl.egl.display);
@@ -126,7 +126,7 @@ static void DumpDebug(RsHal *dc) {
 }
 
 void rsdGLShutdown(const Context *rsc) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
 
     LOGV("%p, deinitEGL", rsc);
 
@@ -147,7 +147,7 @@ void rsdGLShutdown(const Context *rsc) {
 }
 
 bool rsdGLInit(const Context *rsc) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
 
     dc->gl.egl.numConfigs = -1;
     EGLint configAttribs[128];
@@ -289,7 +289,7 @@ bool rsdGLInit(const Context *rsc) {
 
 
 bool rsdGLSetSurface(const Context *rsc, uint32_t w, uint32_t h, ANativeWindow *sur) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
 
     EGLBoolean ret;
     // WAR: Some drivers fail to handle 0 size surfaces correcntly.
@@ -327,7 +327,7 @@ bool rsdGLSetSurface(const Context *rsc, uint32_t w, uint32_t h, ANativeWindow *
 }
 
 void rsdGLSwap(const android::renderscript::Context *rsc) {
-    RsHal *dc = (RsHal *)rsc->mHal.drv;
+    RsdHal *dc = (RsdHal *)rsc->mHal.drv;
     eglSwapBuffers(dc->gl.egl.display, dc->gl.egl.surface);
 }
 
diff --git a/driver/rsdRuntime.h b/driver/rsdRuntime.h
new file mode 100644
index 00000000..840eced7
--- /dev/null
+++ b/driver/rsdRuntime.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2011 The Android Open Source 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.
+ */
+
+#ifndef RSD_RUNTIME_STUBS_H
+#define RSD_RUNTIME_STUBS_H
+
+#include <rs_hal.h>
+#include <bcc/bcc.h>
+
+#include "rsMutex.h"
+
+const RsdSymbolTable * rsdLookupSymbolMath(const char *sym);
+
+void* rsdLookupRuntimeStub(void* pContext, char const* name);
+
+#endif
diff --git a/driver/rsdRuntimeMath.cpp b/driver/rsdRuntimeMath.cpp
new file mode 100644
index 00000000..bd1fd0e8
--- /dev/null
+++ b/driver/rsdRuntimeMath.cpp
@@ -0,0 +1,440 @@
+/*
+ * Copyright (C) 2009 The Android Open Source 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 "rsContext.h"
+#include "rsScriptC.h"
+#include "rsMatrix4x4.h"
+#include "rsMatrix3x3.h"
+#include "rsMatrix2x2.h"
+
+#include "rsdCore.h"
+#include "rsdRuntime.h"
+
+
+using namespace android;
+using namespace android::renderscript;
+
+
+static float SC_exp10(float v) {
+    return pow(10.f, v);
+}
+
+static float SC_fract(float v, int *iptr) {
+    int i = (int)floor(v);
+    iptr[0] = i;
+    return fmin(v - i, 0x1.fffffep-1f);
+}
+
+static float SC_log2(float v) {
+    return log10(v) / log10(2.f);
+}
+
+static float SC_mad(float v1, float v2, float v3) {
+    return v1 * v2 + v3;
+}
+
+#if 0
+static float SC_pown(float v, int p) {
+    return powf(v, (float)p);
+}
+
+static float SC_powr(float v, float p) {
+    return powf(v, p);
+}
+#endif
+
+float SC_rootn(float v, int r) {
+    return pow(v, 1.f / r);
+}
+
+float SC_rsqrt(float v) {
+    return 1.f / sqrtf(v);
+}
+
+float SC_sincos(float v, float *cosptr) {
+    *cosptr = cosf(v);
+    return sinf(v);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// Integer
+//////////////////////////////////////////////////////////////////////////////
+
+
+static uint32_t SC_abs_i32(int32_t v) {return abs(v);}
+static uint16_t SC_abs_i16(int16_t v) {return (uint16_t)abs(v);}
+static uint8_t SC_abs_i8(int8_t v) {return (uint8_t)abs(v);}
+
+static uint32_t SC_clz_u32(uint32_t v) {return __builtin_clz(v);}
+static uint16_t SC_clz_u16(uint16_t v) {return (uint16_t)__builtin_clz(v);}
+static uint8_t SC_clz_u8(uint8_t v) {return (uint8_t)__builtin_clz(v);}
+static int32_t SC_clz_i32(int32_t v) {return (int32_t)__builtin_clz((uint32_t)v);}
+static int16_t SC_clz_i16(int16_t v) {return (int16_t)__builtin_clz(v);}
+static int8_t SC_clz_i8(int8_t v) {return (int8_t)__builtin_clz(v);}
+
+static uint32_t SC_max_u32(uint32_t v, uint32_t v2) {return rsMax(v, v2);}
+static uint16_t SC_max_u16(uint16_t v, uint16_t v2) {return rsMax(v, v2);}
+static uint8_t SC_max_u8(uint8_t v, uint8_t v2) {return rsMax(v, v2);}
+static int32_t SC_max_i32(int32_t v, int32_t v2) {return rsMax(v, v2);}
+static int16_t SC_max_i16(int16_t v, int16_t v2) {return rsMax(v, v2);}
+static int8_t SC_max_i8(int8_t v, int8_t v2) {return rsMax(v, v2);}
+
+static uint32_t SC_min_u32(uint32_t v, uint32_t v2) {return rsMin(v, v2);}
+static uint16_t SC_min_u16(uint16_t v, uint16_t v2) {return rsMin(v, v2);}
+static uint8_t SC_min_u8(uint8_t v, uint8_t v2) {return rsMin(v, v2);}
+static int32_t SC_min_i32(int32_t v, int32_t v2) {return rsMin(v, v2);}
+static int16_t SC_min_i16(int16_t v, int16_t v2) {return rsMin(v, v2);}
+static int8_t SC_min_i8(int8_t v, int8_t v2) {return rsMin(v, v2);}
+
+//////////////////////////////////////////////////////////////////////////////
+// Float util
+//////////////////////////////////////////////////////////////////////////////
+
+static float SC_clamp_f32(float amount, float low, float high) {
+    return amount < low ? low : (amount > high ? high : amount);
+}
+
+static float SC_degrees(float radians) {
+    return radians * (180.f / M_PI);
+}
+
+static float SC_max_f32(float v, float v2) {
+    return rsMax(v, v2);
+}
+
+static float SC_min_f32(float v, float v2) {
+    return rsMin(v, v2);
+}
+
+static float SC_mix_f32(float start, float stop, float amount) {
+    //LOGE("lerpf %f  %f  %f", start, stop, amount);
+    return start + (stop - start) * amount;
+}
+
+static float SC_radians(float degrees) {
+    return degrees * (M_PI / 180.f);
+}
+
+static float SC_step_f32(float edge, float v) {
+    if (v < edge) return 0.f;
+    return 1.f;
+}
+
+static float SC_sign_f32(float value) {
+    if (value > 0) return 1.f;
+    if (value < 0) return -1.f;
+    return value;
+}
+
+static void SC_MatrixLoadIdentity_4x4(Matrix4x4 *m) {
+    m->loadIdentity();
+}
+static void SC_MatrixLoadIdentity_3x3(Matrix3x3 *m) {
+    m->loadIdentity();
+}
+static void SC_MatrixLoadIdentity_2x2(Matrix2x2 *m) {
+    m->loadIdentity();
+}
+
+static void SC_MatrixLoad_4x4_f(Matrix4x4 *m, const float *f) {
+    m->load(f);
+}
+static void SC_MatrixLoad_3x3_f(Matrix3x3 *m, const float *f) {
+    m->load(f);
+}
+static void SC_MatrixLoad_2x2_f(Matrix2x2 *m, const float *f) {
+    m->load(f);
+}
+
+static void SC_MatrixLoad_4x4_4x4(Matrix4x4 *m, const Matrix4x4 *s) {
+    m->load(s);
+}
+static void SC_MatrixLoad_4x4_3x3(Matrix4x4 *m, const Matrix3x3 *s) {
+    m->load(s);
+}
+static void SC_MatrixLoad_4x4_2x2(Matrix4x4 *m, const Matrix2x2 *s) {
+    m->load(s);
+}
+static void SC_MatrixLoad_3x3_3x3(Matrix3x3 *m, const Matrix3x3 *s) {
+    m->load(s);
+}
+static void SC_MatrixLoad_2x2_2x2(Matrix2x2 *m, const Matrix2x2 *s) {
+    m->load(s);
+}
+
+static void SC_MatrixLoadRotate(Matrix4x4 *m, float rot, float x, float y, float z) {
+    m->loadRotate(rot, x, y, z);
+}
+static void SC_MatrixLoadScale(Matrix4x4 *m, float x, float y, float z) {
+    m->loadScale(x, y, z);
+}
+static void SC_MatrixLoadTranslate(Matrix4x4 *m, float x, float y, float z) {
+    m->loadTranslate(x, y, z);
+}
+static void SC_MatrixRotate(Matrix4x4 *m, float rot, float x, float y, float z) {
+    m->rotate(rot, x, y, z);
+}
+static void SC_MatrixScale(Matrix4x4 *m, float x, float y, float z) {
+    m->scale(x, y, z);
+}
+static void SC_MatrixTranslate(Matrix4x4 *m, float x, float y, float z) {
+    m->translate(x, y, z);
+}
+
+static void SC_MatrixLoadMultiply_4x4_4x4_4x4(Matrix4x4 *m, const Matrix4x4 *lhs, const Matrix4x4 *rhs) {
+    m->loadMultiply(lhs, rhs);
+}
+static void SC_MatrixLoadMultiply_3x3_3x3_3x3(Matrix3x3 *m, const Matrix3x3 *lhs, const Matrix3x3 *rhs) {
+    m->loadMultiply(lhs, rhs);
+}
+static void SC_MatrixLoadMultiply_2x2_2x2_2x2(Matrix2x2 *m, const Matrix2x2 *lhs, const Matrix2x2 *rhs) {
+    m->loadMultiply(lhs, rhs);
+}
+
+static void SC_MatrixMultiply_4x4_4x4(Matrix4x4 *m, const Matrix4x4 *rhs) {
+    m->multiply(rhs);
+}
+static void SC_MatrixMultiply_3x3_3x3(Matrix3x3 *m, const Matrix3x3 *rhs) {
+    m->multiply(rhs);
+}
+static void SC_MatrixMultiply_2x2_2x2(Matrix2x2 *m, const Matrix2x2 *rhs) {
+    m->multiply(rhs);
+}
+
+static void SC_MatrixLoadOrtho(Matrix4x4 *m, float l, float r, float b, float t, float n, float f) {
+    m->loadOrtho(l, r, b, t, n, f);
+}
+static void SC_MatrixLoadFrustum(Matrix4x4 *m, float l, float r, float b, float t, float n, float f) {
+    m->loadFrustum(l, r, b, t, n, f);
+}
+static void SC_MatrixLoadPerspective(Matrix4x4 *m, float fovy, float aspect, float near, float far) {
+    m->loadPerspective(fovy, aspect, near, far);
+}
+
+static bool SC_MatrixInverse_4x4(Matrix4x4 *m) {
+    return m->inverse();
+}
+static bool SC_MatrixInverseTranspose_4x4(Matrix4x4 *m) {
+    return m->inverseTranspose();
+}
+static void SC_MatrixTranspose_4x4(Matrix4x4 *m) {
+    m->transpose();
+}
+static void SC_MatrixTranspose_3x3(Matrix3x3 *m) {
+    m->transpose();
+}
+static void SC_MatrixTranspose_2x2(Matrix2x2 *m) {
+    m->transpose();
+}
+
+static float SC_randf(float max) {
+    float r = (float)rand();
+    r *= max;
+    return r / RAND_MAX;
+}
+
+static float SC_randf2(float min, float max) {
+    float r = (float)rand();
+    r = r * (max - min) + min;
+    return r / RAND_MAX;
+}
+
+static int SC_randi(int max) {
+    return (int)SC_randf(max);
+}
+
+static int SC_randi2(int min, int max) {
+    return (int)SC_randf2(min, max);
+}
+
+static float SC_frac(float v) {
+    int i = (int)floor(v);
+    return fmin(v - i, 0x1.fffffep-1f);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Class implementation
+//////////////////////////////////////////////////////////////////////////////
+
+// llvm name mangling ref
+//  <builtin-type> ::= v  # void
+//                 ::= b  # bool
+//                 ::= c  # char
+//                 ::= a  # signed char
+//                 ::= h  # unsigned char
+//                 ::= s  # short
+//                 ::= t  # unsigned short
+//                 ::= i  # int
+//                 ::= j  # unsigned int
+//                 ::= l  # long
+//                 ::= m  # unsigned long
+//                 ::= x  # long long, __int64
+//                 ::= y  # unsigned long long, __int64
+//                 ::= f  # float
+//                 ::= d  # double
+
+static RsdSymbolTable gSyms[] = {
+    { "_Z4acosf", (void *)&acosf, true },
+    { "_Z5acoshf", (void *)&acoshf, true },
+    { "_Z4asinf", (void *)&asinf, true },
+    { "_Z5asinhf", (void *)&asinhf, true },
+    { "_Z4atanf", (void *)&atanf, true },
+    { "_Z5atan2ff", (void *)&atan2f, true },
+    { "_Z5atanhf", (void *)&atanhf, true },
+    { "_Z4cbrtf", (void *)&cbrtf, true },
+    { "_Z4ceilf", (void *)&ceilf, true },
+    { "_Z8copysignff", (void *)&copysignf, true },
+    { "_Z3cosf", (void *)&cosf, true },
+    { "_Z4coshf", (void *)&coshf, true },
+    { "_Z4erfcf", (void *)&erfcf, true },
+    { "_Z3erff", (void *)&erff, true },
+    { "_Z3expf", (void *)&expf, true },
+    { "_Z4exp2f", (void *)&exp2f, true },
+    { "_Z5exp10f", (void *)&SC_exp10, true },
+    { "_Z5expm1f", (void *)&expm1f, true },
+    { "_Z4fabsf", (void *)&fabsf, true },
+    { "_Z4fdimff", (void *)&fdimf, true },
+    { "_Z5floorf", (void *)&floorf, true },
+    { "_Z3fmafff", (void *)&fmaf, true },
+    { "_Z4fmaxff", (void *)&fmaxf, true },
+    { "_Z4fminff", (void *)&fminf, true },  // float fmin(float, float)
+    { "_Z4fmodff", (void *)&fmodf, true },
+    { "_Z5fractfPf", (void *)&SC_fract, true },
+    { "_Z5frexpfPi", (void *)&frexpf, true },
+    { "_Z5hypotff", (void *)&hypotf, true },
+    { "_Z5ilogbf", (void *)&ilogbf, true },
+    { "_Z5ldexpfi", (void *)&ldexpf, true },
+    { "_Z6lgammaf", (void *)&lgammaf, true },
+    { "_Z6lgammafPi", (void *)&lgammaf_r, true },
+    { "_Z3logf", (void *)&logf, true },
+    { "_Z4log2f", (void *)&SC_log2, true },
+    { "_Z5log10f", (void *)&log10f, true },
+    { "_Z5log1pf", (void *)&log1pf, true },
+    { "_Z4logbf", (void *)&logbf, true },
+    { "_Z3madfff", (void *)&SC_mad, true },
+    { "_Z4modffPf", (void *)&modff, true },
+    //{ "_Z3nanj", (void *)&SC_nan, true },
+    { "_Z9nextafterff", (void *)&nextafterf, true },
+    { "_Z3powff", (void *)&powf, true },
+    { "_Z9remainderff", (void *)&remainderf, true },
+    { "_Z6remquoffPi", (void *)&remquof, true },
+    { "_Z4rintf", (void *)&rintf, true },
+    { "_Z5rootnfi", (void *)&SC_rootn, true },
+    { "_Z5roundf", (void *)&roundf, true },
+    { "_Z5rsqrtf", (void *)&SC_rsqrt, true },
+    { "_Z3sinf", (void *)&sinf, true },
+    { "_Z6sincosfPf", (void *)&SC_sincos, true },
+    { "_Z4sinhf", (void *)&sinhf, true },
+    { "_Z4sqrtf", (void *)&sqrtf, true },
+    { "_Z3tanf", (void *)&tanf, true },
+    { "_Z4tanhf", (void *)&tanhf, true },
+    { "_Z6tgammaf", (void *)&tgammaf, true },
+    { "_Z5truncf", (void *)&truncf, true },
+
+    { "_Z3absi", (void *)&SC_abs_i32, true },
+    { "_Z3abss", (void *)&SC_abs_i16, true },
+    { "_Z3absc", (void *)&SC_abs_i8, true },
+    { "_Z3clzj", (void *)&SC_clz_u32, true },
+    { "_Z3clzt", (void *)&SC_clz_u16, true },
+    { "_Z3clzh", (void *)&SC_clz_u8, true },
+    { "_Z3clzi", (void *)&SC_clz_i32, true },
+    { "_Z3clzs", (void *)&SC_clz_i16, true },
+    { "_Z3clzc", (void *)&SC_clz_i8, true },
+    { "_Z3maxjj", (void *)&SC_max_u32, true },
+    { "_Z3maxtt", (void *)&SC_max_u16, true },
+    { "_Z3maxhh", (void *)&SC_max_u8, true },
+    { "_Z3maxii", (void *)&SC_max_i32, true },
+    { "_Z3maxss", (void *)&SC_max_i16, true },
+    { "_Z3maxcc", (void *)&SC_max_i8, true },
+    { "_Z3minjj", (void *)&SC_min_u32, true },
+    { "_Z3mintt", (void *)&SC_min_u16, true },
+    { "_Z3minhh", (void *)&SC_min_u8, true },
+    { "_Z3minii", (void *)&SC_min_i32, true },
+    { "_Z3minss", (void *)&SC_min_i16, true },
+    { "_Z3mincc", (void *)&SC_min_i8, true },
+
+    { "_Z5clampfff", (void *)&SC_clamp_f32, true },
+    { "_Z7degreesf", (void *)&SC_degrees, true },
+    { "_Z3maxff", (void *)&SC_max_f32, true },
+    { "_Z3minff", (void *)&SC_min_f32, true },
+    { "_Z3mixfff", (void *)&SC_mix_f32, true },
+    { "_Z7radiansf", (void *)&SC_radians, true },
+    { "_Z4stepff", (void *)&SC_step_f32, true },
+    //{ "smoothstep", (void *)&, true },
+    { "_Z4signf", (void *)&SC_sign_f32, true },
+
+    // matrix
+    { "_Z20rsMatrixLoadIdentityP12rs_matrix4x4", (void *)&SC_MatrixLoadIdentity_4x4, true },
+    { "_Z20rsMatrixLoadIdentityP12rs_matrix3x3", (void *)&SC_MatrixLoadIdentity_3x3, true },
+    { "_Z20rsMatrixLoadIdentityP12rs_matrix2x2", (void *)&SC_MatrixLoadIdentity_2x2, true },
+
+    { "_Z12rsMatrixLoadP12rs_matrix4x4PKf", (void *)&SC_MatrixLoad_4x4_f, true },
+    { "_Z12rsMatrixLoadP12rs_matrix3x3PKf", (void *)&SC_MatrixLoad_3x3_f, true },
+    { "_Z12rsMatrixLoadP12rs_matrix2x2PKf", (void *)&SC_MatrixLoad_2x2_f, true },
+
+    { "_Z12rsMatrixLoadP12rs_matrix4x4PKS_", (void *)&SC_MatrixLoad_4x4_4x4, true },
+    { "_Z12rsMatrixLoadP12rs_matrix4x4PK12rs_matrix3x3", (void *)&SC_MatrixLoad_4x4_3x3, true },
+    { "_Z12rsMatrixLoadP12rs_matrix4x4PK12rs_matrix2x2", (void *)&SC_MatrixLoad_4x4_2x2, true },
+    { "_Z12rsMatrixLoadP12rs_matrix3x3PKS_", (void *)&SC_MatrixLoad_3x3_3x3, true },
+    { "_Z12rsMatrixLoadP12rs_matrix2x2PKS_", (void *)&SC_MatrixLoad_2x2_2x2, true },
+
+    { "_Z18rsMatrixLoadRotateP12rs_matrix4x4ffff", (void *)&SC_MatrixLoadRotate, true },
+    { "_Z17rsMatrixLoadScaleP12rs_matrix4x4fff", (void *)&SC_MatrixLoadScale, true },
+    { "_Z21rsMatrixLoadTranslateP12rs_matrix4x4fff", (void *)&SC_MatrixLoadTranslate, true },
+    { "_Z14rsMatrixRotateP12rs_matrix4x4ffff", (void *)&SC_MatrixRotate, true },
+    { "_Z13rsMatrixScaleP12rs_matrix4x4fff", (void *)&SC_MatrixScale, true },
+    { "_Z17rsMatrixTranslateP12rs_matrix4x4fff", (void *)&SC_MatrixTranslate, true },
+
+    { "_Z20rsMatrixLoadMultiplyP12rs_matrix4x4PKS_S2_", (void *)&SC_MatrixLoadMultiply_4x4_4x4_4x4, true },
+    { "_Z16rsMatrixMultiplyP12rs_matrix4x4PKS_", (void *)&SC_MatrixMultiply_4x4_4x4, true },
+    { "_Z20rsMatrixLoadMultiplyP12rs_matrix3x3PKS_S2_", (void *)&SC_MatrixLoadMultiply_3x3_3x3_3x3, true },
+    { "_Z16rsMatrixMultiplyP12rs_matrix3x3PKS_", (void *)&SC_MatrixMultiply_3x3_3x3, true },
+    { "_Z20rsMatrixLoadMultiplyP12rs_matrix2x2PKS_S2_", (void *)&SC_MatrixLoadMultiply_2x2_2x2_2x2, true },
+    { "_Z16rsMatrixMultiplyP12rs_matrix2x2PKS_", (void *)&SC_MatrixMultiply_2x2_2x2, true },
+
+    { "_Z17rsMatrixLoadOrthoP12rs_matrix4x4ffffff", (void *)&SC_MatrixLoadOrtho, true },
+    { "_Z19rsMatrixLoadFrustumP12rs_matrix4x4ffffff", (void *)&SC_MatrixLoadFrustum, true },
+    { "_Z23rsMatrixLoadPerspectiveP12rs_matrix4x4ffff", (void *)&SC_MatrixLoadPerspective, true },
+
+    { "_Z15rsMatrixInverseP12rs_matrix4x4", (void *)&SC_MatrixInverse_4x4, true },
+    { "_Z24rsMatrixInverseTransposeP12rs_matrix4x4", (void *)&SC_MatrixInverseTranspose_4x4, true },
+    { "_Z17rsMatrixTransposeP12rs_matrix4x4", (void *)&SC_MatrixTranspose_4x4, true },
+    { "_Z17rsMatrixTransposeP12rs_matrix4x4", (void *)&SC_MatrixTranspose_3x3, true },
+    { "_Z17rsMatrixTransposeP12rs_matrix4x4", (void *)&SC_MatrixTranspose_2x2, true },
+
+    // RS Math
+    { "_Z6rsRandi", (void *)&SC_randi, true },
+    { "_Z6rsRandii", (void *)&SC_randi2, true },
+    { "_Z6rsRandf", (void *)&SC_randf, true },
+    { "_Z6rsRandff", (void *)&SC_randf2, true },
+    { "_Z6rsFracf", (void *)&SC_frac, true },
+
+    { NULL, NULL, false }
+};
+
+const RsdSymbolTable * rsdLookupSymbolMath(const char *sym) {
+    const RsdSymbolTable *syms = gSyms;
+
+    while (syms->mPtr) {
+        if (!strcmp(syms->mName, sym)) {
+            return syms;
+        }
+        syms++;
+    }
+    return NULL;
+}
+
diff --git a/driver/rsdRuntimeStubs.cpp b/driver/rsdRuntimeStubs.cpp
new file mode 100644
index 00000000..c16dd314
--- /dev/null
+++ b/driver/rsdRuntimeStubs.cpp
@@ -0,0 +1,693 @@
+/*
+ * Copyright (C) 2009 The Android Open Source 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 "rsContext.h"
+#include "rsScriptC.h"
+#include "rsMatrix4x4.h"
+#include "rsMatrix3x3.h"
+#include "rsMatrix2x2.h"
+#include "rsRuntime.h"
+
+#include "utils/Timers.h"
+#include "rsdCore.h"
+
+#include "rsdRuntime.h"
+
+#include <time.h>
+
+using namespace android;
+using namespace android::renderscript;
+
+#define GET_TLS()  ScriptTLSStruct * tls = \
+    (ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey); \
+    Context * rsc = tls->mContext; \
+    ScriptC * sc = (ScriptC *) tls->mScript
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Allocation
+//////////////////////////////////////////////////////////////////////////////
+
+static uint32_t SC_allocGetDimX(Allocation *a) {
+    LOGE("SC_allocGetDimX %p", a);
+    return a->mHal.state.dimensionX;
+}
+
+static uint32_t SC_allocGetDimY(Allocation *a) {
+    return a->mHal.state.dimensionY;
+}
+
+static uint32_t SC_allocGetDimZ(Allocation *a) {
+    return a->mHal.state.dimensionZ;
+}
+
+static uint32_t SC_allocGetDimLOD(Allocation *a) {
+    return a->mHal.state.hasMipmaps;
+}
+
+static uint32_t SC_allocGetDimFaces(Allocation *a) {
+    return a->mHal.state.hasFaces;
+}
+
+static const void * SC_getElementAtX(Allocation *a, uint32_t x) {
+    const uint8_t *p = (const uint8_t *)a->getPtr();
+    return &p[a->mHal.state.elementSizeBytes * x];
+}
+
+static const void * SC_getElementAtXY(Allocation *a, uint32_t x, uint32_t y) {
+    const uint8_t *p = (const uint8_t *)a->getPtr();
+    return &p[a->mHal.state.elementSizeBytes * (x + y * a->mHal.state.dimensionX)];
+}
+
+static const void * SC_getElementAtXYZ(Allocation *a, uint32_t x, uint32_t y, uint32_t z) {
+    const uint8_t *p = (const uint8_t *)a->getPtr();
+    return &p[a->mHal.state.elementSizeBytes * (x + y * a->mHal.state.dimensionX +
+              z * a->mHal.state.dimensionX * a->mHal.state.dimensionY)];
+}
+
+static void SC_AllocationSyncAll2(Allocation *a, RsAllocationUsageType source) {
+    GET_TLS();
+    rsrAllocationSyncAll(rsc, sc, a, source);
+}
+
+static void SC_AllocationSyncAll(Allocation *a) {
+    GET_TLS();
+    rsrAllocationSyncAll(rsc, sc, a, RS_ALLOCATION_USAGE_SCRIPT);
+}
+
+const Allocation * SC_getAllocation(const void *ptr) {
+    GET_TLS();
+    return rsrGetAllocation(rsc, sc, ptr);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Context
+//////////////////////////////////////////////////////////////////////////////
+
+static void SC_BindTexture(ProgramFragment *pf, uint32_t slot, Allocation *a) {
+    GET_TLS();
+    rsrBindTexture(rsc, sc, pf, slot, a);
+}
+
+static void SC_BindSampler(ProgramFragment *pf, uint32_t slot, Sampler *s) {
+    GET_TLS();
+    rsrBindSampler(rsc, sc, pf, slot, s);
+}
+
+static void SC_BindProgramStore(ProgramStore *ps) {
+    GET_TLS();
+    rsrBindProgramStore(rsc, sc, ps);
+}
+
+static void SC_BindProgramFragment(ProgramFragment *pf) {
+    GET_TLS();
+    rsrBindProgramFragment(rsc, sc, pf);
+}
+
+static void SC_BindProgramVertex(ProgramVertex *pv) {
+    GET_TLS();
+    rsrBindProgramVertex(rsc, sc, pv);
+}
+
+static void SC_BindProgramRaster(ProgramRaster *pr) {
+    GET_TLS();
+    rsrBindProgramRaster(rsc, sc, pr);
+}
+
+static void SC_BindFrameBufferObjectColorTarget(Allocation *a, uint32_t slot) {
+    GET_TLS();
+    rsrBindFrameBufferObjectColorTarget(rsc, sc, a, slot);
+}
+
+static void SC_BindFrameBufferObjectDepthTarget(Allocation *a) {
+    GET_TLS();
+    rsrBindFrameBufferObjectDepthTarget(rsc, sc, a);
+}
+
+static void SC_ClearFrameBufferObjectColorTarget(uint32_t slot) {
+    GET_TLS();
+    rsrClearFrameBufferObjectColorTarget(rsc, sc, slot);
+}
+
+static void SC_ClearFrameBufferObjectDepthTarget(Context *, Script *) {
+    GET_TLS();
+    rsrClearFrameBufferObjectDepthTarget(rsc, sc);
+}
+
+static void SC_ClearFrameBufferObjectTargets(Context *, Script *) {
+    GET_TLS();
+    rsrClearFrameBufferObjectTargets(rsc, sc);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+// VP
+//////////////////////////////////////////////////////////////////////////////
+
+static void SC_VpLoadProjectionMatrix(const rsc_Matrix *m) {
+    GET_TLS();
+    rsrVpLoadProjectionMatrix(rsc, sc, m);
+}
+
+static void SC_VpLoadModelMatrix(const rsc_Matrix *m) {
+    GET_TLS();
+    rsrVpLoadModelMatrix(rsc, sc, m);
+}
+
+static void SC_VpLoadTextureMatrix(const rsc_Matrix *m) {
+    GET_TLS();
+    rsrVpLoadTextureMatrix(rsc, sc, m);
+}
+
+static void SC_PfConstantColor(ProgramFragment *pf, float r, float g, float b, float a) {
+    GET_TLS();
+    rsrPfConstantColor(rsc, sc, pf, r, g, b, a);
+}
+
+static void SC_VpGetProjectionMatrix(rsc_Matrix *m) {
+    GET_TLS();
+    rsrVpGetProjectionMatrix(rsc, sc, m);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Drawing
+//////////////////////////////////////////////////////////////////////////////
+
+static void SC_DrawQuadTexCoords(float x1, float y1, float z1, float u1, float v1,
+                                 float x2, float y2, float z2, float u2, float v2,
+                                 float x3, float y3, float z3, float u3, float v3,
+                                 float x4, float y4, float z4, float u4, float v4) {
+    GET_TLS();
+    rsrDrawQuadTexCoords(rsc, sc,
+                         x1, y1, z1, u1, v1,
+                         x2, y2, z2, u2, v2,
+                         x3, y3, z3, u3, v3,
+                         x4, y4, z4, u4, v4);
+}
+
+static void SC_DrawQuad(float x1, float y1, float z1,
+                        float x2, float y2, float z2,
+                        float x3, float y3, float z3,
+                        float x4, float y4, float z4) {
+    GET_TLS();
+    rsrDrawQuad(rsc, sc, x1, y1, z1, x2, y2, z2, x3, y3, z3, x4, y4, z4);
+}
+
+static void SC_DrawSpriteScreenspace(float x, float y, float z, float w, float h) {
+    GET_TLS();
+    rsrDrawSpriteScreenspace(rsc, sc, x, y, z, w, h);
+}
+
+static void SC_DrawRect(float x1, float y1, float x2, float y2, float z) {
+    GET_TLS();
+    rsrDrawRect(rsc, sc, x1, y1, x2, y2, z);
+}
+
+static void SC_DrawMesh(Mesh *m) {
+    GET_TLS();
+    rsrDrawMesh(rsc, sc, m);
+}
+
+static void SC_DrawMeshPrimitive(Mesh *m, uint32_t primIndex) {
+    GET_TLS();
+    rsrDrawMeshPrimitive(rsc, sc, m, primIndex);
+}
+
+static void SC_DrawMeshPrimitiveRange(Mesh *m, uint32_t primIndex, uint32_t start, uint32_t len) {
+    GET_TLS();
+    rsrDrawMeshPrimitiveRange(rsc, sc, m, primIndex, start, len);
+}
+
+static void SC_MeshComputeBoundingBox(Mesh *m,
+                               float *minX, float *minY, float *minZ,
+                               float *maxX, float *maxY, float *maxZ) {
+    GET_TLS();
+    rsrMeshComputeBoundingBox(rsc, sc, m, minX, minY, minZ, maxX, maxY, maxZ);
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+static void SC_Color(float r, float g, float b, float a) {
+    GET_TLS();
+    rsrColor(rsc, sc, r, g, b, a);
+}
+
+static void SC_Finish() {
+    GET_TLS();
+    rsrFinish(rsc, sc);
+}
+
+static void SC_ClearColor(float r, float g, float b, float a) {
+    GET_TLS();
+    rsrClearColor(rsc, sc, r, g, b, a);
+}
+
+static void SC_ClearDepth(float v) {
+    GET_TLS();
+    rsrClearDepth(rsc, sc, v);
+}
+
+static uint32_t SC_GetWidth() {
+    GET_TLS();
+    return rsrGetWidth(rsc, sc);
+}
+
+static uint32_t SC_GetHeight() {
+    GET_TLS();
+    return rsrGetHeight(rsc, sc);
+}
+
+static void SC_DrawTextAlloc(Allocation *a, int x, int y) {
+    GET_TLS();
+    rsrDrawTextAlloc(rsc, sc, a, x, y);
+}
+
+static void SC_DrawText(const char *text, int x, int y) {
+    GET_TLS();
+    rsrDrawText(rsc, sc, text, x, y);
+}
+
+static void SC_MeasureTextAlloc(Allocation *a,
+                         int32_t *left, int32_t *right, int32_t *top, int32_t *bottom) {
+    GET_TLS();
+    rsrMeasureTextAlloc(rsc, sc, a, left, right, top, bottom);
+}
+
+static void SC_MeasureText(const char *text,
+                    int32_t *left, int32_t *right, int32_t *top, int32_t *bottom) {
+    GET_TLS();
+    rsrMeasureText(rsc, sc, text, left, right, top, bottom);
+}
+
+static void SC_BindFont(Font *f) {
+    GET_TLS();
+    rsrBindFont(rsc, sc, f);
+}
+
+static void SC_FontColor(float r, float g, float b, float a) {
+    GET_TLS();
+    rsrFontColor(rsc, sc, r, g, b, a);
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//////////////////////////////////////////////////////////////////////////////
+
+static void SC_SetObject(ObjectBase **dst, ObjectBase * src) {
+    GET_TLS();
+    rsrSetObject(rsc, sc, dst, src);
+}
+
+static void SC_ClearObject(ObjectBase **dst) {
+    GET_TLS();
+    rsrClearObject(rsc, sc, dst);
+}
+
+static bool SC_IsObject(const ObjectBase *src) {
+    GET_TLS();
+    return rsrIsObject(rsc, sc, src);
+}
+
+
+
+
+static const Allocation * SC_GetAllocation(const void *ptr) {
+    GET_TLS();
+    return rsrGetAllocation(rsc, sc, ptr);
+}
+
+static void SC_ForEach(Script *target,
+                Allocation *in,
+                Allocation *out,
+                const void *usr,
+                const RsScriptCall *call) {
+    GET_TLS();
+    rsrForEach(rsc, sc, target, in, out, usr, 0, NULL);
+}
+
+static void SC_ForEach2(Script *target,
+                 Allocation *in,
+                 Allocation *out,
+                 const void *usr,
+                 const RsScriptCall *call) {
+    GET_TLS();
+    rsrForEach(rsc, sc, target, in, out, usr, 0, call);
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Time routines
+//////////////////////////////////////////////////////////////////////////////
+
+static float SC_GetDt() {
+    GET_TLS();
+    return rsrGetDt(rsc, sc);
+}
+
+time_t SC_Time(time_t *timer) {
+    GET_TLS();
+    return rsrTime(rsc, sc, timer);
+}
+
+tm* SC_LocalTime(tm *local, time_t *timer) {
+    GET_TLS();
+    return rsrLocalTime(rsc, sc, local, timer);
+}
+
+int64_t SC_UptimeMillis() {
+    GET_TLS();
+    return rsrUptimeMillis(rsc, sc);
+}
+
+int64_t SC_UptimeNanos() {
+    GET_TLS();
+    return rsrUptimeNanos(rsc, sc);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// Message routines
+//////////////////////////////////////////////////////////////////////////////
+
+static uint32_t SC_ToClient2(int cmdID, void *data, int len) {
+    GET_TLS();
+    return rsrToClient(rsc, sc, cmdID, data, len);
+}
+
+static uint32_t SC_ToClient(int cmdID) {
+    GET_TLS();
+    return rsrToClient(rsc, sc, cmdID, NULL, 0);
+}
+
+static uint32_t SC_ToClientBlocking2(int cmdID, void *data, int len) {
+    GET_TLS();
+    return rsrToClientBlocking(rsc, sc, cmdID, data, len);
+}
+
+static uint32_t SC_ToClientBlocking(int cmdID) {
+    GET_TLS();
+    return rsrToClientBlocking(rsc, sc, cmdID, NULL, 0);
+}
+
+int SC_divsi3(int a, int b) {
+    return a / b;
+}
+
+int SC_modsi3(int a, int b) {
+    return a % b;
+}
+
+unsigned int SC_udivsi3(unsigned int a, unsigned int b) {
+    return a / b;
+}
+
+unsigned int SC_umodsi3(unsigned int a, unsigned int b) {
+    return a % b;
+}
+
+static void SC_debugF(const char *s, float f) {
+    LOGD("%s %f, 0x%08x", s, f, *((int *) (&f)));
+}
+static void SC_debugFv2(const char *s, float f1, float f2) {
+    LOGD("%s {%f, %f}", s, f1, f2);
+}
+static void SC_debugFv3(const char *s, float f1, float f2, float f3) {
+    LOGD("%s {%f, %f, %f}", s, f1, f2, f3);
+}
+static void SC_debugFv4(const char *s, float f1, float f2, float f3, float f4) {
+    LOGD("%s {%f, %f, %f, %f}", s, f1, f2, f3, f4);
+}
+static void SC_debugD(const char *s, double d) {
+    LOGD("%s %f, 0x%08llx", s, d, *((long long *) (&d)));
+}
+static void SC_debugFM4v4(const char *s, const float *f) {
+    LOGD("%s {%f, %f, %f, %f", s, f[0], f[4], f[8], f[12]);
+    LOGD("%s  %f, %f, %f, %f", s, f[1], f[5], f[9], f[13]);
+    LOGD("%s  %f, %f, %f, %f", s, f[2], f[6], f[10], f[14]);
+    LOGD("%s  %f, %f, %f, %f}", s, f[3], f[7], f[11], f[15]);
+}
+static void SC_debugFM3v3(const char *s, const float *f) {
+    LOGD("%s {%f, %f, %f", s, f[0], f[3], f[6]);
+    LOGD("%s  %f, %f, %f", s, f[1], f[4], f[7]);
+    LOGD("%s  %f, %f, %f}",s, f[2], f[5], f[8]);
+}
+static void SC_debugFM2v2(const char *s, const float *f) {
+    LOGD("%s {%f, %f", s, f[0], f[2]);
+    LOGD("%s  %f, %f}",s, f[1], f[3]);
+}
+
+static void SC_debugI32(const char *s, int32_t i) {
+    LOGD("%s %i  0x%x", s, i, i);
+}
+static void SC_debugU32(const char *s, uint32_t i) {
+    LOGD("%s %u  0x%x", s, i, i);
+}
+static void SC_debugLL64(const char *s, long long ll) {
+    LOGD("%s %lld  0x%llx", s, ll, ll);
+}
+static void SC_debugULL64(const char *s, unsigned long long ll) {
+    LOGD("%s %llu  0x%llx", s, ll, ll);
+}
+
+static void SC_debugP(const char *s, const void *p) {
+    LOGD("%s %p", s, p);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Stub implementation
+//////////////////////////////////////////////////////////////////////////////
+
+// llvm name mangling ref
+//  <builtin-type> ::= v  # void
+//                 ::= b  # bool
+//                 ::= c  # char
+//                 ::= a  # signed char
+//                 ::= h  # unsigned char
+//                 ::= s  # short
+//                 ::= t  # unsigned short
+//                 ::= i  # int
+//                 ::= j  # unsigned int
+//                 ::= l  # long
+//                 ::= m  # unsigned long
+//                 ::= x  # long long, __int64
+//                 ::= y  # unsigned long long, __int64
+//                 ::= f  # float
+//                 ::= d  # double
+
+static RsdSymbolTable gSyms[] = {
+    { "__divsi3", (void *)&SC_divsi3, true },
+    { "__modsi3", (void *)&SC_modsi3, true },
+    { "__udivsi3", (void *)&SC_udivsi3, true },
+    { "__umodsi3", (void *)&SC_umodsi3, true },
+    { "memset", (void *)&memset, true },
+    { "memcpy", (void *)&memcpy, true },
+
+    // Refcounting
+    { "_Z11rsSetObjectP10rs_elementS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP10rs_element", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject10rs_element", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP7rs_typeS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP7rs_type", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject7rs_type", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP13rs_allocationS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP13rs_allocation", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject13rs_allocation", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP10rs_samplerS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP10rs_sampler", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject10rs_sampler", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP9rs_scriptS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP9rs_script", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject9rs_script", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP7rs_meshS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP7rs_mesh", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject7rs_mesh", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP19rs_program_fragmentS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP19rs_program_fragment", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject19rs_program_fragment", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP17rs_program_vertexS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP17rs_program_vertex", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject17rs_program_vertex", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP17rs_program_rasterS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP17rs_program_raster", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject17rs_program_raster", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP16rs_program_storeS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP16rs_program_store", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject16rs_program_store", (void *)&SC_IsObject, true },
+
+    { "_Z11rsSetObjectP7rs_fontS_", (void *)&SC_SetObject, true },
+    { "_Z13rsClearObjectP7rs_font", (void *)&SC_ClearObject, true },
+    { "_Z10rsIsObject7rs_font", (void *)&SC_IsObject, true },
+
+    // Allocation ops
+    { "_Z19rsAllocationGetDimX13rs_allocation", (void *)&SC_allocGetDimX, true },
+    { "_Z19rsAllocationGetDimY13rs_allocation", (void *)&SC_allocGetDimY, true },
+    { "_Z19rsAllocationGetDimZ13rs_allocation", (void *)&SC_allocGetDimZ, true },
+    { "_Z21rsAllocationGetDimLOD13rs_allocation", (void *)&SC_allocGetDimLOD, true },
+    { "_Z23rsAllocationGetDimFaces13rs_allocation", (void *)&SC_allocGetDimFaces, true },
+
+    { "_Z14rsGetElementAt13rs_allocationj", (void *)&SC_getElementAtX, true },
+    { "_Z14rsGetElementAt13rs_allocationjj", (void *)&SC_getElementAtXY, true },
+    { "_Z14rsGetElementAt13rs_allocationjjj", (void *)&SC_getElementAtXYZ, true },
+
+    { "_Z15rsGetAllocationPKv", (void *)&SC_getAllocation, true },
+
+    { "_Z21rsAllocationMarkDirty13rs_allocation", (void *)&SC_AllocationSyncAll, true },
+    { "_Z20rsgAllocationSyncAll13rs_allocation", (void *)&SC_AllocationSyncAll, false },
+    { "_Z20rsgAllocationSyncAll13rs_allocationj", (void *)&SC_AllocationSyncAll2, false },
+    { "_Z15rsGetAllocationPKv", (void *)&SC_GetAllocation, true },
+
+
+    // Messaging
+
+    { "_Z14rsSendToClienti", (void *)&SC_ToClient, false },
+    { "_Z14rsSendToClientiPKvj", (void *)&SC_ToClient2, false },
+    { "_Z22rsSendToClientBlockingi", (void *)&SC_ToClientBlocking, false },
+    { "_Z22rsSendToClientBlockingiPKvj", (void *)&SC_ToClientBlocking2, false },
+
+    { "_Z22rsgBindProgramFragment19rs_program_fragment", (void *)&SC_BindProgramFragment, false },
+    { "_Z19rsgBindProgramStore16rs_program_store", (void *)&SC_BindProgramStore, false },
+    { "_Z20rsgBindProgramVertex17rs_program_vertex", (void *)&SC_BindProgramVertex, false },
+    { "_Z20rsgBindProgramRaster17rs_program_raster", (void *)&SC_BindProgramRaster, false },
+    { "_Z14rsgBindSampler19rs_program_fragmentj10rs_sampler", (void *)&SC_BindSampler, false },
+    { "_Z14rsgBindTexture19rs_program_fragmentj13rs_allocation", (void *)&SC_BindTexture, false },
+
+    { "_Z36rsgProgramVertexLoadProjectionMatrixPK12rs_matrix4x4", (void *)&SC_VpLoadProjectionMatrix, false },
+    { "_Z31rsgProgramVertexLoadModelMatrixPK12rs_matrix4x4", (void *)&SC_VpLoadModelMatrix, false },
+    { "_Z33rsgProgramVertexLoadTextureMatrixPK12rs_matrix4x4", (void *)&SC_VpLoadTextureMatrix, false },
+
+    { "_Z35rsgProgramVertexGetProjectionMatrixP12rs_matrix4x4", (void *)&SC_VpGetProjectionMatrix, false },
+
+    { "_Z31rsgProgramFragmentConstantColor19rs_program_fragmentffff", (void *)&SC_PfConstantColor, false },
+
+    { "_Z11rsgGetWidthv", (void *)&SC_GetWidth, false },
+    { "_Z12rsgGetHeightv", (void *)&SC_GetHeight, false },
+
+
+    { "_Z11rsgDrawRectfffff", (void *)&SC_DrawRect, false },
+    { "_Z11rsgDrawQuadffffffffffff", (void *)&SC_DrawQuad, false },
+    { "_Z20rsgDrawQuadTexCoordsffffffffffffffffffff", (void *)&SC_DrawQuadTexCoords, false },
+    { "_Z24rsgDrawSpriteScreenspacefffff", (void *)&SC_DrawSpriteScreenspace, false },
+
+    { "_Z11rsgDrawMesh7rs_mesh", (void *)&SC_DrawMesh, false },
+    { "_Z11rsgDrawMesh7rs_meshj", (void *)&SC_DrawMeshPrimitive, false },
+    { "_Z11rsgDrawMesh7rs_meshjjj", (void *)&SC_DrawMeshPrimitiveRange, false },
+    { "_Z25rsgMeshComputeBoundingBox7rs_meshPfS0_S0_S0_S0_S0_", (void *)&SC_MeshComputeBoundingBox, false },
+
+    { "_Z13rsgClearColorffff", (void *)&SC_ClearColor, false },
+    { "_Z13rsgClearDepthf", (void *)&SC_ClearDepth, false },
+
+    { "_Z11rsgDrawTextPKcii", (void *)&SC_DrawText, false },
+    { "_Z11rsgDrawText13rs_allocationii", (void *)&SC_DrawTextAlloc, false },
+    { "_Z14rsgMeasureTextPKcPiS1_S1_S1_", (void *)&SC_MeasureText, false },
+    { "_Z14rsgMeasureText13rs_allocationPiS0_S0_S0_", (void *)&SC_MeasureTextAlloc, false },
+
+    { "_Z11rsgBindFont7rs_font", (void *)&SC_BindFont, false },
+    { "_Z12rsgFontColorffff", (void *)&SC_FontColor, false },
+
+    { "_Z18rsgBindColorTarget13rs_allocationj", (void *)&SC_BindFrameBufferObjectColorTarget, false },
+    { "_Z18rsgBindDepthTarget13rs_allocation", (void *)&SC_BindFrameBufferObjectDepthTarget, false },
+    { "_Z19rsgClearColorTargetj", (void *)&SC_ClearFrameBufferObjectColorTarget, false },
+    { "_Z19rsgClearDepthTargetv", (void *)&SC_ClearFrameBufferObjectDepthTarget, false },
+    { "_Z24rsgClearAllRenderTargetsv", (void *)&SC_ClearFrameBufferObjectTargets, false },
+
+    { "_Z9rsForEach9rs_script13rs_allocationS0_PKv", (void *)&SC_ForEach, false },
+    { "_Z9rsForEach9rs_script13rs_allocationS0_PKvj", (void *)&SC_ForEach2, false },
+
+    // time
+    { "_Z6rsTimePi", (void *)&SC_Time, true },
+    { "_Z11rsLocaltimeP5rs_tmPKi", (void *)&SC_LocalTime, true },
+    { "_Z14rsUptimeMillisv", (void*)&SC_UptimeMillis, true },
+    { "_Z13rsUptimeNanosv", (void*)&SC_UptimeNanos, true },
+    { "_Z7rsGetDtv", (void*)&SC_GetDt, false },
+
+    // misc
+    { "_Z5colorffff", (void *)&SC_Color, false },
+    { "_Z9rsgFinishv", (void *)&SC_Finish, false },
+
+    // Debug
+    { "_Z7rsDebugPKcf", (void *)&SC_debugF, true },
+    { "_Z7rsDebugPKcff", (void *)&SC_debugFv2, true },
+    { "_Z7rsDebugPKcfff", (void *)&SC_debugFv3, true },
+    { "_Z7rsDebugPKcffff", (void *)&SC_debugFv4, true },
+    { "_Z7rsDebugPKcd", (void *)&SC_debugD, true },
+    { "_Z7rsDebugPKcPK12rs_matrix4x4", (void *)&SC_debugFM4v4, true },
+    { "_Z7rsDebugPKcPK12rs_matrix3x3", (void *)&SC_debugFM3v3, true },
+    { "_Z7rsDebugPKcPK12rs_matrix2x2", (void *)&SC_debugFM2v2, true },
+    { "_Z7rsDebugPKci", (void *)&SC_debugI32, true },
+    { "_Z7rsDebugPKcj", (void *)&SC_debugU32, true },
+    // Both "long" and "unsigned long" need to be redirected to their
+    // 64-bit counterparts, since we have hacked Slang to use 64-bit
+    // for "long" on Arm (to be similar to Java).
+    { "_Z7rsDebugPKcl", (void *)&SC_debugLL64, true },
+    { "_Z7rsDebugPKcm", (void *)&SC_debugULL64, true },
+    { "_Z7rsDebugPKcx", (void *)&SC_debugLL64, true },
+    { "_Z7rsDebugPKcy", (void *)&SC_debugULL64, true },
+    { "_Z7rsDebugPKcPKv", (void *)&SC_debugP, true },
+
+    { NULL, NULL, false }
+};
+
+
+void* rsdLookupRuntimeStub(void* pContext, char const* name) {
+    ScriptC *s = (ScriptC *)pContext;
+    if (!strcmp(name, "__isThreadable")) {
+      return (void*) s->mHal.info.isThreadable;
+    } else if (!strcmp(name, "__clearThreadable")) {
+      s->mHal.info.isThreadable = false;
+      return NULL;
+    }
+
+    RsdSymbolTable *syms = gSyms;
+    const RsdSymbolTable *sym = rsdLookupSymbolMath(name);
+
+    if (!sym) {
+        while (syms->mPtr) {
+            if (!strcmp(syms->mName, name)) {
+                sym = syms;
+            }
+            syms++;
+        }
+    }
+
+    if (sym) {
+        s->mHal.info.isThreadable &= sym->threadable;
+        return sym->mPtr;
+    }
+    LOGE("ScriptC sym lookup failed for %s", name);
+    return NULL;
+}
+
+