commit 51b69d37a34a44e045a87d0950a0602be415c126
author Narayan Kamath <narayan@google.com> Tue Jul 08 17:12:54 2014 +0100
committer Narayan Kamath <narayan@google.com> Mon Jul 14 09:58:25 2014 +0100
tree 2632853a484b34d2c8642ebddfcf3bb3ebc5113d
parent 097fdde0002d792f86137405c4e3c94fbee1a09a

API to query whether a given instruction set / abi is 64bit.

This is required to implement some aspects of the multi
lib installation process.

(cherry picked from commit 32f32721e65c93a3aaf8a792b7742aabe7e29e7e)

Change-Id: I10fedcbee1318d132d2ac517ddf8cdca02a51cda

libart/src/main/java/dalvik/system/VMRuntime.java

diff --git a/libart/src/main/java/dalvik/system/VMRuntime.java b/libart/src/main/java/dalvik/system/VMRuntime.java
index 48b2dfa..a905c71 100644
--- a/libart/src/main/java/dalvik/system/VMRuntime.java
+++ b/libart/src/main/java/dalvik/system/VMRuntime.java
@@ -39,6 +39,7 @@
         ABI_TO_INSTRUCTION_SET_MAP.put("armeabi", "arm");
         ABI_TO_INSTRUCTION_SET_MAP.put("armeabi-v7a", "arm");
         ABI_TO_INSTRUCTION_SET_MAP.put("mips", "mips");
+        ABI_TO_INSTRUCTION_SET_MAP.put("mips64", "mips64");
         ABI_TO_INSTRUCTION_SET_MAP.put("x86", "x86");
         ABI_TO_INSTRUCTION_SET_MAP.put("x86_64", "x86_64");
         ABI_TO_INSTRUCTION_SET_MAP.put("arm64-v8a", "arm64");
@@ -325,4 +326,14 @@
 
         return instructionSet;
     }
+
+    public static boolean is64BitInstructionSet(String instructionSet) {
+        return "arm64".equals(instructionSet) ||
+                "x86_64".equals(instructionSet) ||
+                "mips64".equals(instructionSet);
+    }
+
+    public static boolean is64BitAbi(String abi) {
+        return is64BitInstructionSet(getInstructionSet(abi));
+    }
 }