include/linux/libgcc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * include/lib/libgcc.h
   4  */
   5
   6 #ifndef __LIB_LIBGCC_H
   7 #define __LIB_LIBGCC_H
   8
   9 #include <asm/byteorder.h>
  10
  11 typedef int word_type __attribute__ ((mode (__word__)));
  12
  13 #ifdef __BIG_ENDIAN
  14 struct DWstruct {
  15         int high, low;
  16 };
  17 #elif defined(__LITTLE_ENDIAN)
  18 struct DWstruct {
  19         int low, high;
  20 };
  21 #else
  22 #error I feel sick.
  23 #endif
  24
  25 typedef union {
  26         struct DWstruct s;
  27         long long ll;
  28 } DWunion;
  29
  30 long long notrace __ashldi3(long long u, word_type b);
  31 long long notrace __ashrdi3(long long u, word_type b);
  32 word_type notrace __cmpdi2(long long a, long long b);
  33 long long notrace __lshrdi3(long long u, word_type b);
  34 long long notrace __muldi3(long long u, long long v);
  35 word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b);
  36
  37 #endif /* __ASM_LIBGCC_H */