1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _INC_SYSCALL_DEFS_H_ 18 #define _INC_SYSCALL_DEFS_H_ 19 20 #include <cpu/syscallDo.h> 21 22 /* it is always safe to use this, but using syscallDo0P .. syscallDo4P macros may produce faster code for free */ 23 static inline uintptr_t syscallDoGeneric(uint32_t syscallNo, ...) 24 { 25 uintptr_t ret; 26 va_list vl; 27 28 va_start(vl, syscallNo); 29 #ifdef SYSCALL_PARAMS_PASSED_AS_PTRS 30 ret = cpuSyscallDo(syscallNo, &vl); 31 #else 32 ret = cpuSyscallDo(syscallNo, *(uint32_t*)&vl); 33 #endif 34 va_end(vl); 35 36 return ret; 37 } 38 39 #ifdef cpuSyscallDo0P 40 #define syscallDo0P(syscallNo) cpuSyscallDo0P(syscallNo) 41 #else 42 #define syscallDo0P(syscallNo) syscallDoGeneric(syscallNo) 43 #endif 44 45 #ifdef cpuSyscallDo1P 46 #define syscallDo1P(syscallNo,p1) cpuSyscallDo1P(syscallNo,p1) 47 #else 48 #define syscallDo1P(syscallNo,p1) syscallDoGeneric(syscallNo,p1) 49 #endif 50 51 #ifdef cpuSyscallDo2P 52 #define syscallDo2P(syscallNo,p1,p2) cpuSyscallDo2P(syscallNo,p1,p2) 53 #else 54 #define syscallDo2P(syscallNo,p1,p2) syscallDoGeneric(syscallNo,p1,p2) 55 #endif 56 57 #ifdef cpuSyscallDo3P 58 #define syscallDo3P(syscallNo,p1,p2,p3) cpuSyscallDo3P(syscallNo,p1,p2,p3) 59 #else 60 #define syscallDo3P(syscallNo,p1,p2,p3) syscallDoGeneric(syscallNo,p1,p2,p3) 61 #endif 62 63 #ifdef cpuSyscallDo4P 64 #define syscallDo4P(syscallNo,p1,p2,p3,p4) cpuSyscallDo4P(syscallNo,p1,p2,p3,p4) 65 #else 66 #define syscallDo4P(syscallNo,p1,p2,p3,p4) syscallDoGeneric(syscallNo,p1,p2,p3,p4) 67 #endif 68 69 #ifdef cpuSyscallDo5P 70 #define syscallDo5P(syscallNo,p1,p2,p3,p4,p5) cpuSyscallDo5P(syscallNo,p1,p2,p3,p4,p5) 71 #else 72 #define syscallDo5P(syscallNo,p1,p2,p3,p4,p5) syscallDoGeneric(syscallNo,p1,p2,p3,p4,p5) 73 #endif 74 75 #ifdef cpuSyscallDo6P 76 #define syscallDo6P(syscallNo,p1,p2,p3,p4,p5,p6) cpuSyscallDo5P(syscallNo,p1,p2,p3,p4,p5,p6) 77 #else 78 #define syscallDo6P(syscallNo,p1,p2,p3,p4,p5,p6) syscallDoGeneric(syscallNo,p1,p2,p3,p4,p5,p6) 79 #endif 80 81 #endif /* _INC_SYSCALL_DEFS_H_ */ 82
