/* * =========================================================================== * Common subroutines and data * =========================================================================== */ .section .data.rel.ro .align 4 .LinvokeNative: # Prep for the native call # a1 = newFP, a0 = methodToCall lw t9, offThread_jniLocal_topCookie(rSELF) # t9<- thread->localRef->... sw zero, offThread_inJitCodeCache(rSELF) # not in jit code cache sw a1, offThread_curFrame(rSELF) # self->curFrame = newFp sw t9, (offStackSaveArea_localRefCookie - sizeofStackSaveArea)(a1) # newFp->localRefCookie=top lhu ra, offThread_subMode(rSELF) SAVEAREA_FROM_FP(rBIX, a1) # rBIX<- new stack save area move a2, a0 # a2<- methodToCall move a0, a1 # a0<- newFp add a1, rSELF, offThread_retval # a1<- &retval move a3, rSELF # a3<- self andi ra, kSubModeMethodTrace beqz ra, 121f # a2: methodToCall # preserve a0-a3 SCRATCH_STORE(a0, 0) SCRATCH_STORE(a1, 4) SCRATCH_STORE(a2, 8) SCRATCH_STORE(a3, 12) move rTEMP, a2 # preserve a2 move a0, rTEMP move a1, rSELF la t9, dvmFastMethodTraceEnter JALR(t9) lw gp, STACK_OFFSET_GP(sp) # restore a0-a3 SCRATCH_LOAD(a3, 12) SCRATCH_LOAD(a2, 8) SCRATCH_LOAD(a1, 4) SCRATCH_LOAD(a0, 0) lw t9, offMethod_nativeFunc(a2) JALR(t9) # call methodToCall->nativeFunc lw gp, STACK_OFFSET_GP(sp) move a0, rTEMP move a1, rSELF la t9, dvmFastNativeMethodTraceExit JALR(t9) lw gp, STACK_OFFSET_GP(sp) b 212f 121: lw t9, offMethod_nativeFunc(a2) JALR(t9) # call methodToCall->nativeFunc lw gp, STACK_OFFSET_GP(sp) 212: # native return; rBIX=newSaveArea # equivalent to dvmPopJniLocals lw a2, offStackSaveArea_returnAddr(rBIX) # a2 = chaining cell ret addr lw a0, offStackSaveArea_localRefCookie(rBIX) # a0<- saved->top lw a1, offThread_exception(rSELF) # check for exception sw rFP, offThread_curFrame(rSELF) # self->curFrame = fp sw a0, offThread_jniLocal_topCookie(rSELF) # new top <- old top lw a0, offStackSaveArea_savedPc(rBIX) # reload rPC # a0 = dalvikCallsitePC bnez a1, .LhandleException # handle exception if any sw a2, offThread_inJitCodeCache(rSELF) # set the mode properly beqz a2, 3f jr a2 # go if return chaining cell still exist 3: # continue executing the next instruction through the interpreter la a1, .LdvmJitToInterpTraceSelectNoChain # defined in footer.S lw a1, (a1) add rPC, a0, 3*2 # reconstruct new rPC #if defined(WITH_JIT_TUNING) li a0, kCallsiteInterpreted #endif jr a1 /* * On entry: * a0 Faulting Dalvik PC */ .LhandleException: #if defined(WITH_SELF_VERIFICATION) la t0, .LdeadFood lw t0, (t0) # should not see this under self-verification mode jr t0 .LdeadFood: .word 0xdeadf00d #endif sw zero, offThread_inJitCodeCache(rSELF) # in interpreter land la a1, .LdvmMterpCommonExceptionThrown # PIC way of getting &func lw a1, (a1) la rIBASE, .LdvmAsmInstructionStart # PIC way of getting &func lw rIBASE, (rIBASE) move rPC, a0 # reload the faulting Dalvid address jr a1 # branch to dvmMterpCommonExeceptionThrown .align 4 .LdvmAsmInstructionStart: .word dvmAsmInstructionStart .LdvmJitToInterpNoChainNoProfile: .word dvmJitToInterpNoChainNoProfile .LdvmJitToInterpTraceSelectNoChain: .word dvmJitToInterpTraceSelectNoChain .LdvmJitToInterpNoChain: .word dvmJitToInterpNoChain .LdvmMterpStdBail: .word dvmMterpStdBail .LdvmMterpCommonExceptionThrown: .word dvmMterpCommonExceptionThrown .LdvmLockObject: .word dvmLockObject #if defined(WITH_JIT_TUNING) .LdvmICHitCount: .word gDvmICHitCount #endif #if defined(WITH_SELF_VERIFICATION) .LdvmSelfVerificationMemOpDecode: .word dvmSelfVerificationMemOpDecode #endif .global dmvCompilerTemplateEnd dmvCompilerTemplateEnd: #endif /* WITH_JIT */