1 /** 2 University of Illinois/NCSA 3 Open Source License 4 5 Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT 6 7 All rights reserved. 8 9 Developed by: 10 11 LLVM Team 12 13 University of Illinois at Urbana-Champaign 14 15 http://llvm.org 16 17 Permission is hereby granted, free of charge, to any person obtaining a copy of 18 this software and associated documentation files (the "Software"), to deal with 19 the Software without restriction, including without limitation the rights to 20 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 21 of the Software, and to permit persons to whom the Software is furnished to do 22 so, subject to the following conditions: 23 24 * Redistributions of source code must retain the above copyright notice, 25 this list of conditions and the following disclaimers. 26 27 * Redistributions in binary form must reproduce the above copyright notice, 28 this list of conditions and the following disclaimers in the 29 documentation and/or other materials provided with the distribution. 30 31 * Neither the names of the LLVM Team, University of Illinois at 32 Urbana-Champaign, nor the names of its contributors may be used to 33 endorse or promote products derived from this Software without specific 34 prior written permission. 35 36 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 37 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 38 FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 39 CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 40 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 41 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE 42 SOFTWARE. 43 **/ 44 45 #ifndef INT_LIB_H 46 #define INT_LIB_H 47 48 /* Assumption: Signed integral is 2's complement. */ 49 /* Assumption: Right shift of signed negative is arithmetic shift. */ 50 /* Assumption: Endianness is little or big (not mixed). */ 51 52 /* ABI macro definitions */ 53 54 /* 55 * TODO define this appropriately for targets that require explicit export 56 * declarations (i.e. Windows) 57 */ 58 #define COMPILER_RT_EXPORT 59 60 #if __ARM_EABI__ 61 # define ARM_EABI_FNALIAS(aeabi_name, name) \ 62 void __aeabi_##aeabi_name() __attribute__((alias("__" #name))); 63 # define COMPILER_RT_ABI COMPILER_RT_EXPORT __attribute__((pcs("aapcs"))) 64 #else 65 # define ARM_EABI_FNALIAS(aeabi_name, name) 66 # define COMPILER_RT_ABI COMPILER_RT_EXPORT 67 #endif 68 69 #if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE)) 70 /* 71 * Kernel and boot environment can't use normal headers, 72 * so use the equivalent system headers. 73 */ 74 # include <machine/limits.h> 75 # include <sys/stdint.h> 76 # include <sys/types.h> 77 #else 78 /* Include the standard compiler builtin headers we use functionality from. */ 79 # include <limits.h> 80 # include <stdint.h> 81 # include <stdbool.h> 82 # include <float.h> 83 #endif 84 85 /* Include the commonly used internal type definitions. */ 86 #include "int_types.h" 87 88 /* Include internal utility function declarations. */ 89 #include "int_util.h" 90 91 COMPILER_RT_ABI si_int __paritysi2(si_int a); 92 COMPILER_RT_ABI si_int __paritydi2(di_int a); 93 94 COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); 95 COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); 96 COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d); 97 98 COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem); 99 COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem); 100 #ifdef CRT_HAS_128BIT 101 COMPILER_RT_ABI si_int __clzti2(ti_int a); 102 COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); 103 #endif 104 105 #endif /* INT_LIB_H */ 106