1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <arch/cpu.h> 4 5 /* GCC's libgcc handling is quite broken. While the libgcc functions 6 * are always regparm(0) the code that calls them uses whatever the 7 * compiler call specifies. Therefore we need a wrapper around those 8 * functions. See gcc bug PR41055 for more information. 9 */ 10 11 /* TODO: maybe this code should move to arch/x86 as architecture 12 * specific implementations may vary 13 */ 14 #define WRAP_LIBGCC_CALL(type, name) \ 15 asmlinkage type __real_##name(type a, type b); \ 16 type __wrap_##name(type a, type b); \ 17 type __wrap_##name(type a, type b) { return __real_##name(a, b); } 18 19 WRAP_LIBGCC_CALL(long long, __divdi3) 20 WRAP_LIBGCC_CALL(unsigned long long, __udivdi3) 21 WRAP_LIBGCC_CALL(long long, __moddi3) 22 WRAP_LIBGCC_CALL(unsigned long long, __umoddi3) 23