Compute checksum for script group generated code

Change-Id: I5f469266fd11b5031d1357f356ac40e00f5c0348

1 files changed, 30 insertions, 28 deletions

diff --git a/cpu_ref/rsCpuScript.cpp b/cpu_ref/rsCpuScript.cpp
index 6099cf4d..fb87dd1a 100644
--- a/cpu_ref/rsCpuScript.cpp
+++ b/cpu_ref/rsCpuScript.cpp
@@ -150,33 +150,6 @@ bool isChecksumNeeded() {
     return (buf[0] == '1');
 }
 
-bool addFileToChecksum(const char *fileName, uint32_t &checksum) {
-    int FD = open(fileName, O_RDONLY);
-    if (FD == -1) {
-        ALOGE("Cannot open file \'%s\' to compute checksum", fileName);
-        return false;
-    }
-
-    char buf[256];
-    while (true) {
-        ssize_t nread = read(FD, buf, sizeof(buf));
-        if (nread < 0) { // bail out on failed read
-            ALOGE("Error while computing checksum for file \'%s\'", fileName);
-            return false;
-        }
-
-        checksum = adler32(checksum, (const unsigned char *) buf, nread);
-        if (static_cast<size_t>(nread) < sizeof(buf)) // EOF
-            break;
-    }
-
-    if (TEMP_FAILURE_RETRY(close(FD)) != 0) {
-        ALOGE("Cannot close file \'%s\' after computing checksum", fileName);
-        return false;
-    }
-    return true;
-}
-
 char *constructBuildChecksum(uint8_t const *bitcode, size_t bitcodeSize,
                              const char *commandLine,
                              const std::vector<const char *> &bccFiles) {
@@ -191,7 +164,7 @@ char *constructBuildChecksum(uint8_t const *bitcode, size_t bitcodeSize,
 
     // include checksum of bccFiles
     for (auto bccFile : bccFiles) {
-        if (!addFileToChecksum(bccFile, checksum)) {
+        if (!android::renderscript::addFileToChecksum(bccFile, checksum)) {
             // return empty checksum instead of something partial/corrupt
             return nullptr;
         }
@@ -208,6 +181,35 @@ char *constructBuildChecksum(uint8_t const *bitcode, size_t bitcodeSize,
 namespace android {
 namespace renderscript {
 
+#ifndef RS_COMPATIBILITY_LIB
+bool addFileToChecksum(const char *fileName, uint32_t &checksum) {
+    int FD = open(fileName, O_RDONLY);
+    if (FD == -1) {
+        ALOGE("Cannot open file \'%s\' to compute checksum", fileName);
+        return false;
+    }
+
+    char buf[256];
+    while (true) {
+        ssize_t nread = read(FD, buf, sizeof(buf));
+        if (nread < 0) { // bail out on failed read
+            ALOGE("Error while computing checksum for file \'%s\'", fileName);
+            return false;
+        }
+
+        checksum = adler32(checksum, (const unsigned char *) buf, nread);
+        if (static_cast<size_t>(nread) < sizeof(buf)) // EOF
+            break;
+    }
+
+    if (TEMP_FAILURE_RETRY(close(FD)) != 0) {
+        ALOGE("Cannot close file \'%s\' after computing checksum", fileName);
+        return false;
+    }
+    return true;
+}
+#endif  // !RS_COMPATIBILITY_LIB
+
 RsdCpuScriptImpl::RsdCpuScriptImpl(RsdCpuReferenceImpl *ctx, const Script *s) {
     mCtx = ctx;
     mScript = s;