| %default { "chaintgt" : ".LinvokeChain" } |
| /* |
| * For monomorphic callsite, setup the Dalvik frame and return to the |
| * Thumb code through the link register to transfer control to the callee |
| * method through a dedicated chaining cell. |
| */ |
| @ r0 = methodToCall, r1 = returnCell, r2 = methodToCall->outsSize |
| @ rPC = dalvikCallsite, r7 = methodToCall->registersSize |
| @ methodToCall is guaranteed to be non-native |
| $chaintgt: |
| ldr r9, [rSELF, #offThread_interpStackEnd] @ r9<- interpStackEnd |
| ldrb r8, [rSELF, #offThread_breakFlags] @ r8<- breakFlags |
| add r3, r1, #1 @ Thumb addr is odd |
| SAVEAREA_FROM_FP(r1, rFP) @ r1<- stack save area |
| sub r1, r1, r7, lsl #2 @ r1<- newFp (old savearea - regsSize) |
| SAVEAREA_FROM_FP(r10, r1) @ r10<- stack save area |
| add r12, lr, #2 @ setup the punt-to-interp address |
| sub r10, r10, r2, lsl #2 @ r10<- bottom (newsave - outsSize) |
| cmp r10, r9 @ bottom < interpStackEnd? |
| bxlo r12 @ return to raise stack overflow excep. |
| @ r1 = newFP, r0 = methodToCall, r3 = returnCell, rPC = dalvikCallsite |
| ldr r9, [r0, #offMethod_clazz] @ r9<- method->clazz |
| str rPC, [rFP, #(offStackSaveArea_currentPc - sizeofStackSaveArea)] |
| str rPC, [r1, #(offStackSaveArea_savedPc - sizeofStackSaveArea)] |
| |
| @ set up newSaveArea |
| str rFP, [r1, #(offStackSaveArea_prevFrame - sizeofStackSaveArea)] |
| str r3, [r1, #(offStackSaveArea_returnAddr - sizeofStackSaveArea)] |
| str r0, [r1, #(offStackSaveArea_method - sizeofStackSaveArea)] |
| cmp r8, #0 @ breakFlags != 0 |
| bxne r12 @ bail to the interpreter |
| |
| ldr r3, [r9, #offClassObject_pDvmDex] @ r3<- method->clazz->pDvmDex |
| |
| @ Update "thread" values for the new method |
| str r0, [rSELF, #offThread_method] @ self->method = methodToCall |
| str r3, [rSELF, #offThread_methodClassDex] @ self->methodClassDex = ... |
| mov rFP, r1 @ fp = newFp |
| str rFP, [rSELF, #offThread_curFrame] @ curFrame = newFp |
| #if defined(TEMPLATE_INLINE_PROFILING) |
| stmfd sp!, {r0-r2,lr} @ preserve clobbered live registers |
| mov r1, r6 |
| @ r0=methodToCall, r1=rSELF |
| ldr ip, .LdvmFastMethodTraceEnter |
| blx ip |
| ldmfd sp!, {r0-r2,lr} @ restore registers |
| #endif |
| |
| bx lr @ return to the callee-chaining cell |