diff options
Diffstat (limited to 'vm/mterp/x86/OP_INVOKE_VIRTUAL_JUMBO.S')
| -rw-r--r-- | vm/mterp/x86/OP_INVOKE_VIRTUAL_JUMBO.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/vm/mterp/x86/OP_INVOKE_VIRTUAL_JUMBO.S b/vm/mterp/x86/OP_INVOKE_VIRTUAL_JUMBO.S new file mode 100644 index 0000000..085b591 --- /dev/null +++ b/vm/mterp/x86/OP_INVOKE_VIRTUAL_JUMBO.S @@ -0,0 +1,40 @@ +%verify "executed" +%verify "unknown method" +%verify "null object" + /* + * Handle a jumbo virtual method call. + */ + /* invoke-virtual/jumbo vBBBB, {vCCCC..v(CCCC+BBBB-1)}, meth@AAAAAAAA */ + movl rSELF,%eax + movl 2(rPC),%ecx # ecx<- AAAAAAAA + movl offThread_methodClassDex(%eax),%eax # eax<- pDvmDex + EXPORT_PC + movl offDvmDex_pResMethods(%eax),%eax # eax<- pDvmDex->pResMethods + movl (%eax,%ecx,4),%eax # eax<- resolved baseMethod + testl %eax,%eax # already resolved? + jne .L${opcode}_continue # yes, continue + movl rSELF,%eax + movl %ecx,OUT_ARG1(%esp) # arg1<- ref + movl offThread_method(%eax),%eax # eax<- self->method + movl offMethod_clazz(%eax),%eax # ecx<- method->clazz + movl %eax,OUT_ARG0(%esp) # arg0<- clazz + movl $$METHOD_VIRTUAL,OUT_ARG2(%esp) # arg2<- flags + call dvmResolveMethod # eax<- call(clazz, ref, flags) + testl %eax,%eax # got null? + jne .L${opcode}_continue # no, continue + jmp common_exceptionThrown # yes, handle exception + + /* At this point: + * eax = resolved base method + * ecx = scratch + */ +.L${opcode}_continue: + movzwl 8(rPC),%ecx # ecx<- CCCC + GET_VREG_R %ecx %ecx # ecx<- "this" + movzwl offMethod_methodIndex(%eax),%eax # eax<- baseMethod->methodIndex + testl %ecx,%ecx # null this? + je common_errNullObject # go if so + movl offObject_clazz(%ecx),%ecx # ecx<- thisPtr->clazz + movl offClassObject_vtable(%ecx),%ecx # ecx<- thisPtr->clazz->vtable + movl (%ecx,%eax,4),%eax # eax<- vtable[methodIndex] + jmp common_invokeMethodJumbo |