// Create a conflict resolution stub for the set of interface method signatures l. // public static ArchitectureSpecific.VM_CodeArray createStub(int[] sigIds, VM_Method[] targets) { // (1) Create an assembler. int numEntries = sigIds.length; VM_Assembler asm = new ArchitectureSpecific.VM_Assembler(numEntries); // pretend each entry is a bytecode // (2) signatures must be in ascending order (to build binary search tree). if (VM.VerifyAssertions) { for (int i = 1; i < sigIds.length; i++) { VM._assert(sigIds[i - 1] < sigIds[i]); } } // (3) Assign synthetic bytecode numbers to each switch such that we'll generate them // in ascending order. This lets us use the general forward branching mechanisms // of the VM_Assembler. int[] bcIndices = new int[numEntries]; assignBytecodeIndices(0, bcIndices, 0, numEntries - 1); // (4) Generate the stub. insertStubPrologue(asm); insertStubCase(asm, sigIds, targets, bcIndices, 0, numEntries - 1); ArchitectureSpecific.VM_CodeArray stub = asm.makeMachineCode().getInstructions(); // (5) synchronize icache with generated machine code that was written through dcache if (VM.runningVM) VM_Memory.sync(VM_Magic.objectAsAddress(stub), stub.length() << LG_INSTRUCTION_WIDTH); return stub; }