diff options
Diffstat (limited to 'vm/mterp/armv5te/OP_INVOKE_VIRTUAL.S')
| -rw-r--r-- | vm/mterp/armv5te/OP_INVOKE_VIRTUAL.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/vm/mterp/armv5te/OP_INVOKE_VIRTUAL.S b/vm/mterp/armv5te/OP_INVOKE_VIRTUAL.S new file mode 100644 index 0000000..58b0a42 --- /dev/null +++ b/vm/mterp/armv5te/OP_INVOKE_VIRTUAL.S @@ -0,0 +1,45 @@ +%default { "isrange":"0", "routine":"NoRange" } +%verify "executed" +%verify "unknown method" +%verify "null object" + /* + * Handle a virtual method call. + * + * for: invoke-virtual, invoke-virtual/range + */ + /* op vB, {vD, vE, vF, vG, vA}, class@CCCC */ + /* op vAA, {vCCCC..v(CCCC+AA-1)}, meth@BBBB */ + ldr r3, [rSELF, #offThread_methodClassDex] @ r3<- pDvmDex + FETCH(r1, 1) @ r1<- BBBB + ldr r3, [r3, #offDvmDex_pResMethods] @ r3<- pDvmDex->pResMethods + FETCH(r10, 2) @ r10<- GFED or CCCC + ldr r0, [r3, r1, lsl #2] @ r0<- resolved baseMethod + .if (!$isrange) + and r10, r10, #15 @ r10<- D (or stays CCCC) + .endif + cmp r0, #0 @ already resolved? + EXPORT_PC() @ must export for invoke + bne .L${opcode}_continue @ yes, continue on + ldr r3, [rSELF, #offThread_method] @ r3<- self->method + ldr r0, [r3, #offMethod_clazz] @ r0<- method->clazz + mov r2, #METHOD_VIRTUAL @ resolver method type + bl dvmResolveMethod @ r0<- call(clazz, ref, flags) + cmp r0, #0 @ got null? + bne .L${opcode}_continue @ no, continue + b common_exceptionThrown @ yes, handle exception +%break + + /* + * At this point: + * r0 = resolved base method + * r10 = C or CCCC (index of first arg, which is the "this" ptr) + */ +.L${opcode}_continue: + GET_VREG(r9, r10) @ r9<- "this" ptr + ldrh r2, [r0, #offMethod_methodIndex] @ r2<- baseMethod->methodIndex + cmp r9, #0 @ is "this" null? + beq common_errNullObject @ null "this", throw exception + ldr r3, [r9, #offObject_clazz] @ r3<- thisPtr->clazz + ldr r3, [r3, #offClassObject_vtable] @ r3<- thisPtr->clazz->vtable + ldr r0, [r3, r2, lsl #2] @ r3<- vtable[methodIndex] + bl common_invokeMethod${routine} @ (r0=method, r9="this") |