1*0a6a1f1dSLionel Sambuc /* ===-- int_lib.h - configuration header for compiler-rt -----------------=== 2*0a6a1f1dSLionel Sambuc * 3*0a6a1f1dSLionel Sambuc * The LLVM Compiler Infrastructure 4*0a6a1f1dSLionel Sambuc * 5*0a6a1f1dSLionel Sambuc * This file is dual licensed under the MIT and the University of Illinois Open 6*0a6a1f1dSLionel Sambuc * Source Licenses. See LICENSE.TXT for details. 7*0a6a1f1dSLionel Sambuc * 8*0a6a1f1dSLionel Sambuc * ===----------------------------------------------------------------------=== 9*0a6a1f1dSLionel Sambuc * 10*0a6a1f1dSLionel Sambuc * This file is a configuration header for compiler-rt. 11*0a6a1f1dSLionel Sambuc * This file is not part of the interface of this library. 12*0a6a1f1dSLionel Sambuc * 13*0a6a1f1dSLionel Sambuc * ===----------------------------------------------------------------------=== 14*0a6a1f1dSLionel Sambuc */ 15*0a6a1f1dSLionel Sambuc 16*0a6a1f1dSLionel Sambuc #ifndef INT_LIB_H 17*0a6a1f1dSLionel Sambuc #define INT_LIB_H 18*0a6a1f1dSLionel Sambuc 19*0a6a1f1dSLionel Sambuc /* Assumption: Signed integral is 2's complement. */ 20*0a6a1f1dSLionel Sambuc /* Assumption: Right shift of signed negative is arithmetic shift. */ 21*0a6a1f1dSLionel Sambuc /* Assumption: Endianness is little or big (not mixed). */ 22*0a6a1f1dSLionel Sambuc 23*0a6a1f1dSLionel Sambuc /* ABI macro definitions */ 24*0a6a1f1dSLionel Sambuc 25*0a6a1f1dSLionel Sambuc /* 26*0a6a1f1dSLionel Sambuc * TODO define this appropriately for targets that require explicit export 27*0a6a1f1dSLionel Sambuc * declarations (i.e. Windows) 28*0a6a1f1dSLionel Sambuc */ 29*0a6a1f1dSLionel Sambuc #define COMPILER_RT_EXPORT 30*0a6a1f1dSLionel Sambuc 31*0a6a1f1dSLionel Sambuc #if __ARM_EABI__ 32*0a6a1f1dSLionel Sambuc # define ARM_EABI_FNALIAS(aeabi_name, name) \ 33*0a6a1f1dSLionel Sambuc void __aeabi_##aeabi_name() __attribute__((alias("__" #name))); 34*0a6a1f1dSLionel Sambuc # define COMPILER_RT_ABI COMPILER_RT_EXPORT __attribute__((pcs("aapcs"))) 35*0a6a1f1dSLionel Sambuc #else 36*0a6a1f1dSLionel Sambuc # define ARM_EABI_FNALIAS(aeabi_name, name) 37*0a6a1f1dSLionel Sambuc # define COMPILER_RT_ABI COMPILER_RT_EXPORT 38*0a6a1f1dSLionel Sambuc #endif 39*0a6a1f1dSLionel Sambuc 40*0a6a1f1dSLionel Sambuc #if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE)) 41*0a6a1f1dSLionel Sambuc /* 42*0a6a1f1dSLionel Sambuc * Kernel and boot environment can't use normal headers, 43*0a6a1f1dSLionel Sambuc * so use the equivalent system headers. 44*0a6a1f1dSLionel Sambuc */ 45*0a6a1f1dSLionel Sambuc # include <machine/limits.h> 46*0a6a1f1dSLionel Sambuc # include <sys/stdint.h> 47*0a6a1f1dSLionel Sambuc # include <sys/types.h> 48*0a6a1f1dSLionel Sambuc #else 49*0a6a1f1dSLionel Sambuc /* Include the standard compiler builtin headers we use functionality from. */ 50*0a6a1f1dSLionel Sambuc # include <limits.h> 51*0a6a1f1dSLionel Sambuc # include <stdint.h> 52*0a6a1f1dSLionel Sambuc # include <stdbool.h> 53*0a6a1f1dSLionel Sambuc # include <float.h> 54*0a6a1f1dSLionel Sambuc #endif 55*0a6a1f1dSLionel Sambuc 56*0a6a1f1dSLionel Sambuc /* Include the commonly used internal type definitions. */ 57*0a6a1f1dSLionel Sambuc #include "int_types.h" 58*0a6a1f1dSLionel Sambuc 59*0a6a1f1dSLionel Sambuc /* Include internal utility function declarations. */ 60*0a6a1f1dSLionel Sambuc #include "int_util.h" 61*0a6a1f1dSLionel Sambuc 62*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI si_int __paritysi2(si_int a); 63*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI si_int __paritydi2(di_int a); 64*0a6a1f1dSLionel Sambuc 65*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); 66*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); 67*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d); 68*0a6a1f1dSLionel Sambuc 69*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem); 70*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem); 71*0a6a1f1dSLionel Sambuc #ifdef CRT_HAS_128BIT 72*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI si_int __clzti2(ti_int a); 73*0a6a1f1dSLionel Sambuc COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); 74*0a6a1f1dSLionel Sambuc #endif 75*0a6a1f1dSLionel Sambuc 76*0a6a1f1dSLionel Sambuc #endif /* INT_LIB_H */ 77