/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Helper file for declaring TCG helper functions. * This one expands prototypes for the helper functions. * Define HELPER_H for the header file to be expanded. */ #include "exec/helper-head.h.inc" /* * Work around an issue with --enable-lto, in which GCC's ipa-split pass * decides to split out the noreturn code paths that raise an exception, * taking the __builtin_return_address() along into the new function, * where it no longer computes a value that returns to TCG generated code. * Despite the name, the noinline attribute affects splitter, so this * prevents the optimization in question. Given that helpers should not * otherwise be called directly, this should not have any other visible effect. * * See https://gitlab.com/qemu-project/qemu/-/issues/1454 */ #define DEF_HELPER_ATTR __attribute__((noinline)) #define DEF_HELPER_FLAGS_0(name, flags, ret) \ dh_ctype(ret) HELPER(name) (void) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1)) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2)) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), \ dh_ctype(t3)) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ dh_ctype(t4)) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ dh_ctype(t4), dh_ctype(t5)) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ dh_ctype(t4), dh_ctype(t5), \ dh_ctype(t6)) DEF_HELPER_ATTR; #define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7) \ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ dh_ctype(t4), dh_ctype(t5), dh_ctype(t6), \ dh_ctype(t7)) DEF_HELPER_ATTR; #define IN_HELPER_PROTO #include HELPER_H #undef IN_HELPER_PROTO #undef DEF_HELPER_FLAGS_0 #undef DEF_HELPER_FLAGS_1 #undef DEF_HELPER_FLAGS_2 #undef DEF_HELPER_FLAGS_3 #undef DEF_HELPER_FLAGS_4 #undef DEF_HELPER_FLAGS_5 #undef DEF_HELPER_FLAGS_6 #undef DEF_HELPER_FLAGS_7 #undef DEF_HELPER_ATTR