vm/compiler/template/armv5te/TEMPLATE_INVOKE_METHOD_NO_OPT.S

   1     /*
   2      * For polymorphic callsites - setup the Dalvik frame and load Dalvik PC
   3      * into rPC then jump to dvmJitToInterpNoChain to dispatch the
   4      * runtime-resolved callee.
   5      */
   6     @ r0 = methodToCall, r1 = returnCell, rPC = dalvikCallsite
   7     ldrh    r7, [r0, #offMethod_registersSize]  @ r7<- methodToCall->regsSize
   8     ldrh    r2, [r0, #offMethod_outsSize]  @ r2<- methodToCall->outsSize
   9     ldr     r9, [rGLUE, #offGlue_interpStackEnd]    @ r9<- interpStackEnd
  10     ldr     r8, [rGLUE, #offGlue_pSelfSuspendCount] @ r8<- &suspendCount
  11     add     r3, r1, #1  @ Thumb addr is odd
  12     SAVEAREA_FROM_FP(r1, rFP)           @ r1<- stack save area
  13     sub     r1, r1, r7, lsl #2          @ r1<- newFp (old savearea - regsSize)
  14     SAVEAREA_FROM_FP(r10, r1)           @ r10<- stack save area
  15     sub     r10, r10, r2, lsl #2        @ r10<- bottom (newsave - outsSize)
  16     ldr     r8, [r8]                    @ r8<- suspendCount (int)
  17     cmp     r10, r9                     @ bottom < interpStackEnd?
  18     bxlt    lr                          @ return to raise stack overflow excep.
  19     @ r1 = newFP, r0 = methodToCall, r3 = returnCell, rPC = dalvikCallsite
  20     ldr     r9, [r0, #offMethod_clazz]      @ r9<- method->clazz
  21     ldr     r10, [r0, #offMethod_accessFlags] @ r10<- methodToCall->accessFlags
  22     str     rPC, [rFP, #(offStackSaveArea_currentPc - sizeofStackSaveArea)]
  23     str     rPC, [r1, #(offStackSaveArea_savedPc - sizeofStackSaveArea)]
  24     ldr     rPC, [r0, #offMethod_insns]     @ rPC<- methodToCall->insns
  25
  26
  27     @ set up newSaveArea
  28     str     rFP, [r1, #(offStackSaveArea_prevFrame - sizeofStackSaveArea)]
  29     str     r3, [r1, #(offStackSaveArea_returnAddr - sizeofStackSaveArea)]
  30     str     r0, [r1, #(offStackSaveArea_method - sizeofStackSaveArea)]
  31     cmp     r8, #0                      @ suspendCount != 0
  32     bxne    lr                          @ bail to the interpreter
  33     tst     r10, #ACC_NATIVE
  34 #if !defined(WITH_SELF_VERIFICATION)
  35     bne     .LinvokeNative
  36 #else
  37     bxne    lr                          @ bail to the interpreter
  38 #endif
  39
  40     ldr     r10, .LdvmJitToInterpTraceSelectNoChain
  41     ldr     r3, [r9, #offClassObject_pDvmDex] @ r3<- method->clazz->pDvmDex
  42     ldr     r2, [rGLUE, #offGlue_self]      @ r2<- glue->self
  43
  44     @ Update "glue" values for the new method
  45     str     r0, [rGLUE, #offGlue_method]    @ glue->method = methodToCall
  46     str     r3, [rGLUE, #offGlue_methodClassDex] @ glue->methodClassDex = ...
  47     mov     rFP, r1                         @ fp = newFp
  48     str     rFP, [r2, #offThread_curFrame]  @ self->curFrame = newFp
  49
  50     @ Start executing the callee
  51 #if defined(EXIT_STATS)
  52     mov     r0, #kInlineCacheMiss
  53 #endif
  54     mov     pc, r10                         @ dvmJitToInterpTraceSelectNoChain