1 /* ===-- int_lib.h - configuration header for compiler-rt -----------------=== 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 * ===----------------------------------------------------------------------=== 9 * 10 * This file is a configuration header for compiler-rt. 11 * This file is not part of the interface of this library. 12 * 13 * ===----------------------------------------------------------------------=== 14 */ 15 16 #ifndef INT_LIB_H 17 #define INT_LIB_H 18 19 /* Assumption: Signed integral is 2's complement. */ 20 /* Assumption: Right shift of signed negative is arithmetic shift. */ 21 /* Assumption: Endianness is little or big (not mixed). */ 22 23 /* ABI macro definitions */ 24 25 #if __ARM_EABI__ 26 # define ARM_EABI_FNALIAS(aeabi_name, name) \ 27 void __aeabi_##aeabi_name() __attribute__((alias("__" #name))); 28 # define COMPILER_RT_ABI __attribute__((pcs("aapcs"))) 29 #else 30 # define ARM_EABI_FNALIAS(aeabi_name, name) 31 # define COMPILER_RT_ABI 32 #endif 33 34 #if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE)) 35 /* 36 * Kernel and boot environment can't use normal headers, 37 * so use the equivalent system headers. 38 */ 39 # include <machine/limits.h> 40 # include <sys/stdint.h> 41 # include <sys/types.h> 42 #else 43 /* Include the standard compiler builtin headers we use functionality from. */ 44 # include <limits.h> 45 # include <stdint.h> 46 # include <stdbool.h> 47 # include <float.h> 48 #endif 49 50 /* Include the commonly used internal type definitions. */ 51 #include "int_types.h" 52 53 /* Include internal utility function declarations. */ 54 #include "int_util.h" 55 56 COMPILER_RT_ABI si_int __paritysi2(si_int a); 57 COMPILER_RT_ABI si_int __paritydi2(di_int a); 58 59 COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); 60 COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); 61 COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d); 62 63 COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem); 64 COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem); 65 #ifdef CRT_HAS_128BIT 66 COMPILER_RT_ABI si_int __clzti2(ti_int a); 67 COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); 68 #endif 69 70 #endif /* INT_LIB_H */ 71
