commit 1f3da0b96578b9d9e4f9e38577d3365b7a49147b
author Ben Cheng <bccheng@android.com> Thu Jun 03 13:52:42 2010 -0700
committer Ben Cheng <bccheng@android.com> Thu Jun 03 13:52:42 2010 -0700
tree 8a8bb06235794aa7674aebfbcabf4f78bf7b228c
parent d44faf5ca0afd3aee4e25284d0d86bd4e734b423

Check the mprotect() result when initializing the JIT code cache.

Bug: 2690371
Change-Id: I48cb6498d1cdddcbf8386649d02467db5a1306e8

vm/compiler/Compiler.c

diff --git a/vm/compiler/Compiler.c b/vm/compiler/Compiler.c
index 9b32703..2368dae 100644
--- a/vm/compiler/Compiler.c
+++ b/vm/compiler/Compiler.c
@@ -180,8 +180,13 @@
     cacheflush((intptr_t) gDvmJit.codeCache,
                (intptr_t) gDvmJit.codeCache + templateSize, 0);
 
-    mprotect(gDvmJit.codeCache, gDvmJit.codeCacheSize,
-             PROTECT_CODE_CACHE_ATTRS);
+    int result = mprotect(gDvmJit.codeCache, gDvmJit.codeCacheSize,
+                          PROTECT_CODE_CACHE_ATTRS);
+
+    if (result == -1) {
+        LOGE("Failed to remove the write permission for the code cache");
+        dvmAbort();
+    }
 
     return true;
 }