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cpu.h
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27 
28 // This module contains the architecture-specific code. This make the rest of
29 // the code less dependent on differences between different processor
30 // architecture.
31 // The classes have the same definition for all architectures. The
32 // implementation for a particular architecture is put in cpu_<arch>.cc.
33 // The build system then uses the implementation for the target architecture.
34 //
35 
36 #ifndef V8_CPU_H_
37 #define V8_CPU_H_
38 
39 #include "allocation.h"
40 
41 namespace v8 {
42 namespace internal {
43 
44 // ----------------------------------------------------------------------------
45 // CPU
46 //
47 // This class has static methods for the architecture specific functions. Add
48 // methods here to cope with differences between the supported architectures.
49 //
50 // For each architecture the file cpu_<arch>.cc contains the implementation of
51 // these functions.
52 
53 class CPU : public AllStatic {
54  public:
55  // Initializes the cpu architecture support. Called once at VM startup.
56  static void SetUp();
57 
58  static bool SupportsCrankshaft();
59 
60  // Flush instruction cache.
61  static void FlushICache(void* start, size_t size);
62 
63  // Try to activate a system level debugger.
64  static void DebugBreak();
65 };
66 
67 } } // namespace v8::internal
68 
69 #endif // V8_CPU_H_
static bool SupportsCrankshaft()
static void FlushICache(void *start, size_t size)
static void DebugBreak()
static void SetUp()