js/src/nanojit/Native.h

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  38
  39
  40 #ifndef __nanojit_Native__
  41 #define __nanojit_Native__
  42
  43
  44 #ifdef NANOJIT_IA32
  45 #include "Nativei386.h"
  46 #elif defined(NANOJIT_ARM)
  47 #ifdef THUMB
  48 #include "NativeThumb.h"
  49 #else
  50 #include "NativeARM.h"
  51 #endif
  52 #elif defined(NANOJIT_PPC)
  53 #include "NativePpc.h"
  54 #elif defined(NANOJIT_AMD64)
  55 #include "NativeAMD64.h"
  56 #else
  57 #error "unknown nanojit architecture"
  58 #endif
  59
  60 namespace nanojit {
  61         const uint32_t NJ_PAGE_SIZE = 1 << NJ_LOG2_PAGE_SIZE;
  62
  63     class Fragment;
  64     struct SideExit;
  65
  66     struct GuardRecord
  67     {
  68         void* jmp;
  69         GuardRecord* next;
  70         SideExit* exit;
  71     };
  72
  73     struct SideExit
  74     {
  75         GuardRecord* guards;
  76         Fragment* from;
  77         Fragment* target;
  78
  79         void addGuard(GuardRecord* lr)
  80         {
  81             lr->next = guards;
  82             guards = lr;
  83         }
  84     };
  85 }
  86
  87         #ifdef NJ_STACK_GROWTH_UP
  88                 #define stack_direction(n)   n
  89         #else
  90                 #define stack_direction(n)  -n
  91         #endif
  92
  93         #define isSPorFP(r)             ( (r)==SP || (r)==FP )
  94
  95         #if defined(_MSC_VER) && _MSC_VER < 1400
  96                 static void asm_output(const char *f, ...) {}
  97                 #define gpn(r)                                  regNames[(r)]
  98                 #define fpn(r)                                  regNames[(r)]
  99         #elif defined(NJ_VERBOSE)
 100                 #define asm_output(...) do {\
 101                         counter_increment(native);\
 102                         if (verbose_enabled()) {\
 103                                 outline[0]='\0';\
 104                                 if (outputAddr) sprintf(outline, "  %10p  ",_nIns);\
 105                                 else sprintf(outline, "              ");\
 106                                 sprintf(&outline[14], ##__VA_ARGS__);\
 107                                 Assembler::outputAlign(outline, 45);\
 108                                 RegAlloc::formatRegisters(_allocator, outline, _thisfrag);\
 109                                 Assembler::output_asm(outline);\
 110                                 outputAddr=false; /* set =true if you like to see addresses for each native instruction */ \
 111                         }\
 112                 } while (0) /* no semi */
 113                 #define gpn(r)                                  regNames[(r)]
 114                 #define fpn(r)                                  regNames[(r)]
 115         #else
 116                 #define asm_output(f, ...)
 117                 #define gpn(r)
 118                 #define fpn(r)
 119         #endif /* NJ_VERBOSE */
 120
 121 #endif // __nanojit_Native__