diff options
Diffstat (limited to 'runtime/oat_file_assistant.h')
| -rw-r--r-- | runtime/oat_file_assistant.h | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/runtime/oat_file_assistant.h b/runtime/oat_file_assistant.h index 893aea2ab9..452cd84728 100644 --- a/runtime/oat_file_assistant.h +++ b/runtime/oat_file_assistant.h @@ -24,6 +24,7 @@ #include "arch/instruction_set.h" #include "base/scoped_flock.h" #include "base/unix_file/fd_file.h" +#include "compiler_filter.h" #include "oat_file.h" #include "os.h" #include "profiler.h" @@ -85,20 +86,6 @@ class OatFileAssistant { kOatUpToDate, }; - // Represents the different compilation types of oat files that OatFileAssitant - // and external GetDexOptNeeded callers care about. - // Note: these should be able to be used as part of a mask. - enum CompilationType { - // Matches Java: dalvik.system.DexFile.COMPILATION_TYPE_FULL = 1 - kFullCompilation = 1, - - // Matches Java: dalvik.system.DexFile.COMPILATION_TYPE_PROFILE_GUIDE = 2 - kProfileGuideCompilation = 2, - - // Matches Java: dalvik.system.DexFile.COMPILATION_TYPE_EXTRACT_ONLY = 4 - kExtractOnly = 4, - }; - // Constructs an OatFileAssistant object to assist the oat file // corresponding to the given dex location with the target instruction set. // @@ -110,27 +97,26 @@ class OatFileAssistant { // Note: Currently the dex_location must have an extension. // TODO: Relax this restriction? // - // The target compilation type specifies a set of CompilationTypes that - // should be considered up to date. An oat file compiled in a way not - // included in the set is considered out of date. For example, to consider - // otherwise up-to-date fully compiled and profile-guide compiled oat - // files as up to date, but to consider extract-only files as out of date, - // specify: (kFullCompilation | kProfileGuideCompilation). - // // The isa should be either the 32 bit or 64 bit variant for the current // device. For example, on an arm device, use arm or arm64. An oat file can // be loaded executable only if the ISA matches the current runtime. + // + // profile_changed should be true if the profile has recently changed + // for this dex location. + // + // load_executable should be true if the caller intends to try and load + // executable code for this dex location. OatFileAssistant(const char* dex_location, - int target_compilation_type_mask, const InstructionSet isa, + bool profile_changed, bool load_executable); // Constructs an OatFileAssistant, providing an explicit target oat_location // to use instead of the standard oat location. OatFileAssistant(const char* dex_location, const char* oat_location, - int target_compilation_type_mask, const InstructionSet isa, + bool profile_changed, bool load_executable); ~OatFileAssistant(); @@ -158,16 +144,18 @@ class OatFileAssistant { bool Lock(std::string* error_msg); // Return what action needs to be taken to produce up-to-date code for this - // dex location. - DexOptNeeded GetDexOptNeeded(); + // dex location that is at least as good as an oat file generated with the + // given compiler filter. + DexOptNeeded GetDexOptNeeded(CompilerFilter::Filter target_compiler_filter); // Attempts to generate or relocate the oat file as needed to make it up to - // date. + // date with in a way that is at least as good as an oat file generated with + // the given compiler filter. // Returns true on success. // // If there is a failure, the value of error_msg will be set to a string // describing why there was failure. error_msg must not be null. - bool MakeUpToDate(std::string* error_msg); + bool MakeUpToDate(CompilerFilter::Filter target_compiler_filter, std::string* error_msg); // Returns an oat file that can be used for loading dex files. // Returns null if no suitable oat file was found. @@ -251,7 +239,7 @@ class OatFileAssistant { // describing why there was failure. error_msg must not be null. bool RelocateOatFile(const std::string* input_file, std::string* error_msg); - // Generate the oat file from the dex file. + // Generate the oat file from the dex file using the given compiler filter. // This does not check the current status before attempting to generate the // oat file. // Returns true on success. @@ -259,7 +247,7 @@ class OatFileAssistant { // // If there is a failure, the value of error_msg will be set to a string // describing why there was failure. error_msg must not be null. - bool GenerateOatFile(std::string* error_msg); + bool GenerateOatFile(CompilerFilter::Filter filter, std::string* error_msg); // Executes dex2oat using the current runtime configuration overridden with // the given arguments. This does not check to see if dex2oat is enabled in @@ -315,6 +303,10 @@ class OatFileAssistant { // The caller shouldn't clean up or free the returned pointer. const OatFile* GetOdexFile(); + // Returns true if the compiler filter used to generate the odex file is at + // least as good as the given target filter. + bool OdexFileCompilerFilterIsOkay(CompilerFilter::Filter target); + // Returns true if the odex file is opened executable. bool OdexFileIsExecutable(); @@ -327,6 +319,10 @@ class OatFileAssistant { // The caller shouldn't clean up or free the returned pointer. const OatFile* GetOatFile(); + // Returns true if the compiler filter used to generate the oat file is at + // least as good as the given target filter. + bool OatFileCompilerFilterIsOkay(CompilerFilter::Filter target); + // Returns true if the oat file is opened executable. bool OatFileIsExecutable(); @@ -346,12 +342,14 @@ class OatFileAssistant { ScopedFlock flock_; std::string dex_location_; - const int target_compilation_type_mask_; // In a properly constructed OatFileAssistant object, isa_ should be either // the 32 or 64 bit variant for the current device. const InstructionSet isa_ = kNone; + // Whether the profile has recently changed. + bool profile_changed_ = false; + // Whether we will attempt to load oat files executable. bool load_executable_ = false; |