Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 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 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 25 | #if __ARM_EABI__ |
| 26 | # define ARM_EABI_FNALIAS(aeabi_name, name) \ |
| 27 | void __aeabi_##aeabi_name() __attribute__((alias("__" #name))); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 28 | # define COMPILER_RT_ABI __attribute__((pcs("aapcs"))) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 29 | #else |
| 30 | # define ARM_EABI_FNALIAS(aeabi_name, name) |
Pirama Arumuga Nainar | cdce50b | 2015-07-01 12:26:56 -0700 | [diff] [blame] | 31 | # if defined(__arm__) && defined(_WIN32) |
| 32 | # define COMPILER_RT_ABI __attribute__((pcs("aapcs"))) |
| 33 | # else |
| 34 | # define COMPILER_RT_ABI |
| 35 | # endif |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 36 | #endif |
| 37 | |
| 38 | #if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE)) |
| 39 | /* |
| 40 | * Kernel and boot environment can't use normal headers, |
| 41 | * so use the equivalent system headers. |
| 42 | */ |
| 43 | # include <machine/limits.h> |
| 44 | # include <sys/stdint.h> |
| 45 | # include <sys/types.h> |
| 46 | #else |
| 47 | /* Include the standard compiler builtin headers we use functionality from. */ |
| 48 | # include <limits.h> |
| 49 | # include <stdint.h> |
| 50 | # include <stdbool.h> |
| 51 | # include <float.h> |
| 52 | #endif |
| 53 | |
| 54 | /* Include the commonly used internal type definitions. */ |
| 55 | #include "int_types.h" |
| 56 | |
| 57 | /* Include internal utility function declarations. */ |
| 58 | #include "int_util.h" |
| 59 | |
| 60 | COMPILER_RT_ABI si_int __paritysi2(si_int a); |
| 61 | COMPILER_RT_ABI si_int __paritydi2(di_int a); |
| 62 | |
| 63 | COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); |
| 64 | COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); |
| 65 | COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d); |
| 66 | |
| 67 | COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem); |
| 68 | COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem); |
| 69 | #ifdef CRT_HAS_128BIT |
| 70 | COMPILER_RT_ABI si_int __clzti2(ti_int a); |
| 71 | COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); |
| 72 | #endif |
| 73 | |
| 74 | #endif /* INT_LIB_H */ |