Reviewers: Jakob,
Description:
Merge 10518 into 3.7. This adds an Android-specific version of cacheflush
call.
Please review this at https://chromiumcodereview.appspot.com/9235064/
SVN Base: http://v8.googlecode.com/svn/branches/3.7/
Affected files:
M src/mips/cpu-mips.cc
M src/version.cc
Index: src/mips/cpu-mips.cc
===================================================================
--- src/mips/cpu-mips.cc (revision 10518)
+++ src/mips/cpu-mips.cc (working copy)
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
@@ -64,15 +64,19 @@
}
#if !defined (USE_SIMULATOR)
+#if defined(ANDROID)
+ // Bionic cacheflush can typically run in userland, avoiding kernel call.
+ char *end = reinterpret_cast<char *>(start) + size;
+ cacheflush(
+ reinterpret_cast<intptr_t>(start), reinterpret_cast<intptr_t>(end), 0);
+#else // ANDROID
int res;
-
// See http://www.linux-mips.org/wiki/Cacheflush_Syscall.
res = syscall(__NR_cacheflush, start, size, ICACHE);
-
if (res) {
V8_Fatal(__FILE__, __LINE__, "Failed to flush the instruction cache");
}
-
+#endif // ANDROID
#else // USE_SIMULATOR.
// Not generating mips instructions for C-code. This means that we are
// building a mips emulator based target. We should notify the simulator
Index: src/version.cc
===================================================================
--- src/version.cc (revision 10518)
+++ src/version.cc (working copy)
@@ -35,7 +35,7 @@
#define MAJOR_VERSION 3
#define MINOR_VERSION 7
#define BUILD_NUMBER 12
-#define PATCH_LEVEL 19
+#define PATCH_LEVEL 20
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define IS_CANDIDATE_VERSION 0
--
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