765     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithDetour()  argument
769   uptr header = (uptr)old_func - kDetourHeaderLen;  in OverrideFunctionWithDetour()
773   if (*(u16*)old_func != kDetourInstruction ||  in OverrideFunctionWithDetour()
786   WriteShortJumpInstruction(old_func, header);  in OverrideFunctionWithDetour()
793     *orig_old_func = old_func + kShortJumpInstructionLength;  in OverrideFunctionWithDetour()
800     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithRedirectJump()  argument
802   if (*(u8*)old_func != 0xE9)  in OverrideFunctionWithRedirectJump()
806     sptr relative_offset = *(s32 *)(old_func + 1);  in OverrideFunctionWithRedirectJump()
807     uptr absolute_target = old_func + relative_offset + kJumpInstructionLength;  in OverrideFunctionWithRedirectJump()
813   uptr trampoline = AllocateMemoryForTrampoline(old_func, kDirectBranchLength);  in OverrideFunctionWithRedirectJump()
821   if (!ChangeMemoryProtection(old_func, kJumpInstructionLength, &protection))  in OverrideFunctionWithRedirectJump()
825   WriteJumpInstruction(old_func, FIRST_32_SECOND_64(new_func, trampoline));  in OverrideFunctionWithRedirectJump()
828   if (!RestoreMemoryProtection(old_func, kJumpInstructionLength, protection))  in OverrideFunctionWithRedirectJump()
835     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithHotPatch()  argument
838   uptr header = (uptr)old_func - kHotPatchHeaderLen;  in OverrideFunctionWithHotPatch()
842   size_t instruction_size = GetInstructionSize(old_func);  in OverrideFunctionWithHotPatch()
844       !FunctionHasPadding(old_func, kHotPatchHeaderLen))  in OverrideFunctionWithHotPatch()
850     uptr trampoline = AllocateMemoryForTrampoline(old_func, trampoline_length);  in OverrideFunctionWithHotPatch()
853     if (!CopyInstructions(trampoline, old_func, instruction_size))  in OverrideFunctionWithHotPatch()
856                       old_func + instruction_size);  in OverrideFunctionWithHotPatch()
863   indirect_address = AllocateMemoryForTrampoline(old_func, kAddressLength);  in OverrideFunctionWithHotPatch()
875   WriteShortJumpInstruction(old_func, header);  in OverrideFunctionWithHotPatch()
885     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithTrampoline()  argument
894     instructions_length = RoundUpToInstrBoundary(kBranchLength, old_func);  in OverrideFunctionWithTrampoline()
900     uptr trampoline = AllocateMemoryForTrampoline(old_func, trampoline_length);  in OverrideFunctionWithTrampoline()
903     if (!CopyInstructions(trampoline, old_func, instructions_length))  in OverrideFunctionWithTrampoline()
906                       old_func + instructions_length);  in OverrideFunctionWithTrampoline()
913   if (IsMemoryPadding(old_func - kAddressLength, kAddressLength)) {  in OverrideFunctionWithTrampoline()
914     indirect_address = old_func - kAddressLength;  in OverrideFunctionWithTrampoline()
917     indirect_address = AllocateMemoryForTrampoline(old_func, kAddressLength);  in OverrideFunctionWithTrampoline()
924   uptr patch_address = old_func - padding_length;  in OverrideFunctionWithTrampoline()
931   WriteBranch(old_func, indirect_address, new_func);  in OverrideFunctionWithTrampoline()
941     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunction()  argument
943   if (OverrideFunctionWithDetour(old_func, new_func, orig_old_func))  in OverrideFunction()
946   if (OverrideFunctionWithRedirectJump(old_func, new_func, orig_old_func))  in OverrideFunction()
948   if (OverrideFunctionWithHotPatch(old_func, new_func, orig_old_func))  in OverrideFunction()
950   if (OverrideFunctionWithTrampoline(old_func, new_func, orig_old_func))  in OverrideFunction()