2266 static void add_header(struct buffer *b, struct module *mod)  in add_header()  argument
2268 	buf_printf(b, "#include <linux/build-salt.h>\n");  in add_header()
2269 	buf_printf(b, "#include <linux/module.h>\n");  in add_header()
2270 	buf_printf(b, "#include <linux/vermagic.h>\n");  in add_header()
2271 	buf_printf(b, "#include <linux/compiler.h>\n");  in add_header()
2272 	buf_printf(b, "\n");  in add_header()
2273 	buf_printf(b, "BUILD_SALT;\n");  in add_header()
2274 	buf_printf(b, "\n");  in add_header()
2275 	buf_printf(b, "MODULE_INFO(vermagic, VERMAGIC_STRING);\n");  in add_header()
2276 	buf_printf(b, "MODULE_INFO(name, KBUILD_MODNAME);\n");  in add_header()
2277 	buf_printf(b, "\n");  in add_header()
2278 	buf_printf(b, "__visible struct module __this_module\n");  in add_header()
2279 	buf_printf(b, "__section(.gnu.linkonce.this_module) = {\n");  in add_header()
2280 	buf_printf(b, "\t.name = KBUILD_MODNAME,\n");  in add_header()
2282 		buf_printf(b, "\t.init = init_module,\n");  in add_header()
2284 		buf_printf(b, "#ifdef CONFIG_MODULE_UNLOAD\n"  in add_header()
2287 	buf_printf(b, "\t.arch = MODULE_ARCH_INIT,\n");  in add_header()
2288 	buf_printf(b, "};\n");  in add_header()
2291 static void add_intree_flag(struct buffer *b, int is_intree)  in add_intree_flag()  argument
2294 		buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");  in add_intree_flag()
2298 static void add_retpoline(struct buffer *b)  in add_retpoline()  argument
2300 	buf_printf(b, "\n#ifdef CONFIG_RETPOLINE\n");  in add_retpoline()
2301 	buf_printf(b, "MODULE_INFO(retpoline, \"Y\");\n");  in add_retpoline()
2302 	buf_printf(b, "#endif\n");  in add_retpoline()
2305 static void add_staging_flag(struct buffer *b, const char *name)  in add_staging_flag()  argument
2308 		buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n");  in add_staging_flag()
2314 static int add_versions(struct buffer *b, struct module *mod)  in add_versions()  argument
2331 	buf_printf(b, "\n");  in add_versions()
2332 	buf_printf(b, "static const struct modversion_info ____versions[]\n");  in add_versions()
2333 	buf_printf(b, "__used __section(__versions) = {\n");  in add_versions()
2349 		buf_printf(b, "\t{ %#8x, \"%s\" },\n",  in add_versions()
2353 	buf_printf(b, "};\n");  in add_versions()
2358 static void add_depends(struct buffer *b, struct module *mod)  in add_depends()  argument
2368 	buf_printf(b, "\n");  in add_depends()
2369 	buf_printf(b, "MODULE_INFO(depends, \"");  in add_depends()
2384 		buf_printf(b, "%s%s", first ? "" : ",", p);  in add_depends()
2387 	buf_printf(b, "\");\n");  in add_depends()
2390 static void add_srcversion(struct buffer *b, struct module *mod)  in add_srcversion()  argument
2393 		buf_printf(b, "\n");  in add_srcversion()
2394 		buf_printf(b, "MODULE_INFO(srcversion, \"%s\");\n",  in add_srcversion()
2399 static void write_if_changed(struct buffer *b, const char *fname)  in write_if_changed()  argument
2412 	if (st.st_size != b->pos)  in write_if_changed()
2415 	tmp = NOFAIL(malloc(b->pos));  in write_if_changed()
2416 	if (fread(tmp, 1, b->pos, file) != b->pos)  in write_if_changed()
2419 	if (memcmp(tmp, b->p, b->pos) != 0)  in write_if_changed()
2436 	if (fwrite(b->p, 1, b->pos, file) != b->pos) {  in write_if_changed()