Add patchoat tool to Art.

Add a new executable called patchoat to art. This tool takes already
compiled images and oat files and changes their base address, acting as
a cheap form of relocation.

Add a --include-patch-information flag to dex2oat and code to add
required patch information to oat files created with the quick compiler.

Bug: 15358152

Change-Id: Ie0c580db45bb14ec180deb84930def6c3628d97d

1 files changed, 29 insertions, 0 deletions

diff --git a/runtime/utils.h b/runtime/utils.h
index eb79968e21..448c591f2b 100644
--- a/runtime/utils.h
+++ b/runtime/utils.h
@@ -19,6 +19,7 @@
 
 #include <pthread.h>
 
+#include <limits>
 #include <string>
 #include <vector>
 
@@ -50,6 +51,34 @@ enum TimeUnit {
   kTimeUnitSecond,
 };
 
+template <typename T>
+bool ParseUint(const char *in, T* out) {
+  char* end;
+  unsigned long long int result = strtoull(in, &end, 0);  // NOLINT(runtime/int)
+  if (in == end || *end != '\0') {
+    return false;
+  }
+  if (std::numeric_limits<T>::max() < result) {
+    return false;
+  }
+  *out = static_cast<T>(result);
+  return true;
+}
+
+template <typename T>
+bool ParseInt(const char* in, T* out) {
+  char* end;
+  long long int result = strtoll(in, &end, 0);  // NOLINT(runtime/int)
+  if (in == end || *end != '\0') {
+    return false;
+  }
+  if (result < std::numeric_limits<T>::min() || std::numeric_limits<T>::max() < result) {
+    return false;
+  }
+  *out = static_cast<T>(result);
+  return true;
+}
+
 template<typename T>
 static constexpr bool IsPowerOfTwo(T x) {
   return (x & (x - 1)) == 0;