651     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithDetour()  argument
655   uptr header = (uptr)old_func - kDetourHeaderLen;  in OverrideFunctionWithDetour()
659   if (*(u16*)old_func != kDetourInstruction ||  in OverrideFunctionWithDetour()
672   WriteShortJumpInstruction(old_func, header);  in OverrideFunctionWithDetour()
679     *orig_old_func = old_func + kShortJumpInstructionLength;  in OverrideFunctionWithDetour()
686     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithRedirectJump()  argument
688   if (*(u8*)old_func != 0xE9)  in OverrideFunctionWithRedirectJump()
692     uptr relative_offset = *(u32*)(old_func + 1);  in OverrideFunctionWithRedirectJump()
693     uptr absolute_target = old_func + relative_offset + kJumpInstructionLength;  in OverrideFunctionWithRedirectJump()
699   uptr trampoline = AllocateMemoryForTrampoline(old_func, kDirectBranchLength);  in OverrideFunctionWithRedirectJump()
707   if (!ChangeMemoryProtection(old_func, kJumpInstructionLength, &protection))  in OverrideFunctionWithRedirectJump()
711   WriteJumpInstruction(old_func, FIRST_32_SECOND_64(new_func, trampoline));  in OverrideFunctionWithRedirectJump()
714   if (!RestoreMemoryProtection(old_func, kJumpInstructionLength, protection))  in OverrideFunctionWithRedirectJump()
721     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithHotPatch()  argument
724   uptr header = (uptr)old_func - kHotPatchHeaderLen;  in OverrideFunctionWithHotPatch()
728   size_t instruction_size = GetInstructionSize(old_func);  in OverrideFunctionWithHotPatch()
730       !FunctionHasPadding(old_func, kHotPatchHeaderLen))  in OverrideFunctionWithHotPatch()
736     uptr trampoline = AllocateMemoryForTrampoline(old_func, trampoline_length);  in OverrideFunctionWithHotPatch()
739     if (!CopyInstructions(trampoline, old_func, instruction_size))  in OverrideFunctionWithHotPatch()
742                       old_func + instruction_size);  in OverrideFunctionWithHotPatch()
749   indirect_address = AllocateMemoryForTrampoline(old_func, kAddressLength);  in OverrideFunctionWithHotPatch()
761   WriteShortJumpInstruction(old_func, header);  in OverrideFunctionWithHotPatch()
771     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithTrampoline()  argument
780     instructions_length = RoundUpToInstrBoundary(kBranchLength, old_func);  in OverrideFunctionWithTrampoline()
786     uptr trampoline = AllocateMemoryForTrampoline(old_func, trampoline_length);  in OverrideFunctionWithTrampoline()
789     if (!CopyInstructions(trampoline, old_func, instructions_length))  in OverrideFunctionWithTrampoline()
792                       old_func + instructions_length);  in OverrideFunctionWithTrampoline()
799   if (IsMemoryPadding(old_func - kAddressLength, kAddressLength)) {  in OverrideFunctionWithTrampoline()
800     indirect_address = old_func - kAddressLength;  in OverrideFunctionWithTrampoline()
803     indirect_address = AllocateMemoryForTrampoline(old_func, kAddressLength);  in OverrideFunctionWithTrampoline()
810   uptr patch_address = old_func - padding_length;  in OverrideFunctionWithTrampoline()
817   WriteBranch(old_func, indirect_address, new_func);  in OverrideFunctionWithTrampoline()
827     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunction()  argument
829   if (OverrideFunctionWithDetour(old_func, new_func, orig_old_func))  in OverrideFunction()
832   if (OverrideFunctionWithRedirectJump(old_func, new_func, orig_old_func))  in OverrideFunction()
834   if (OverrideFunctionWithHotPatch(old_func, new_func, orig_old_func))  in OverrideFunction()
836   if (OverrideFunctionWithTrampoline(old_func, new_func, orig_old_func))  in OverrideFunction()