8  * Usage: nm -n vmlinux | scripts/kallsyms [--all-symbols] > symbols.S
55 	"__per_cpu_start", "__per_cpu_end", -1ULL, 0
73 	fprintf(stderr, "Usage: kallsyms [--all-symbols] "  in usage()
74 			"[--base-relative] < in.map > out.S\n");  in usage()
80 	return (char *)s->sym + 1;  in sym_name()
91 		 * when --all-symbols is specified so exclude them to get a  in is_ignored_symbol()
114 		"__kvm_nvhe_",		/* arm64 non-VHE KVM namespace */  in is_ignored_symbol()
150 		int l = strlen(name) - strlen(*p);  in is_ignored_symbol()
188 		if (strcmp(sym, ar->start_sym) == 0) {  in check_symbol_range()
189 			ar->start = addr;  in check_symbol_range()
191 		} else if (strcmp(sym, ar->end_sym) == 0) {  in check_symbol_range()
192 			ar->end = addr;  in check_symbol_range()
240 	sym->addr = addr;  in read_symbol()
241 	sym->len = len;  in read_symbol()
242 	sym->sym[0] = type;  in read_symbol()
244 	sym->percpu_absolute = 0;  in read_symbol()
258 		if (s->addr >= ar->start && s->addr <= ar->end)  in symbol_in_range()
269 	/* if --all-symbols is not specified, then symbols outside the text  in symbol_valid()
281 		if ((s->addr == text_range_text->end &&  in symbol_valid()
282 		     strcmp(name, text_range_text->end_sym)) ||  in symbol_valid()
283 		    (s->addr == text_range_inittext->end &&  in symbol_valid()
284 		     strcmp(name, text_range_inittext->end_sym)))  in symbol_valid()
324 		sym->start_pos = table_cnt;  in read_map()
350 		printf("\tPTR\t_text + %#llx\n", addr - _text);  in output_address()
352 		printf("\tPTR\t_text - %#llx\n", _text - addr);  in output_address()
375 		len--;  in expand_symbol()
384 	return s->percpu_absolute;  in symbol_absolute()
396 	printf("#define PTR .quad\n");  in write_src()
415 			 * non-relocatable fixed offsets that will be fixed  in write_src()
423 				offset = table[i]->addr - relative_base;  in write_src()
426 				offset = table[i]->addr;  in write_src()
429 				offset = relative_base - table[i]->addr - 1;  in write_src()
434 					"%s symbol value %#llx out of range in relative mode\n",  in write_src()
436 					table[i]->addr);  in write_src()
441 			output_address(table[i]->addr);  in write_src()
443 			printf("\tPTR\t%#llx\n", table[i]->addr);  in write_src()
473 		printf("\t.byte 0x%02x", table[i]->len);  in write_src()
474 		for (k = 0; k < table[i]->len; k++)  in write_src()
475 			printf(", 0x%02x", table[i]->sym[k]);  in write_src()
478 		off += table[i]->len + 1;  in write_src()
513 	for (i = 0; i < len - 1; i++)  in learn_symbol()
522 	for (i = 0; i < len - 1; i++)  in forget_symbol()
523 		token_profit[ symbol[i] + (symbol[i + 1] << 8) ]--;  in forget_symbol()
532 		learn_symbol(table[i]->sym, table[i]->len);  in build_initial_tok_table()
540 	for (i = 0; i < len - 1; i++) {  in find_token()
556 		len = table[i]->len;  in compress_symbols()
557 		p1 = table[i]->sym;  in compress_symbols()
564 		forget_symbol(table[i]->sym, len);  in compress_symbols()
571 			size -= (p2 - p1);  in compress_symbols()
574 			len--;  in compress_symbols()
583 		table[i]->len = len;  in compress_symbols()
586 		learn_symbol(table[i]->sym, len);  in compress_symbols()
595 	bestprofit=-10000;  in find_best_token()
614 	for (i = 255; i >= 0; i--) {  in optimize_result()
642 		for (j = 0; j < table[i]->len; j++) {  in insert_real_symbols_in_table()
643 			c = table[i]->sym[j];  in insert_real_symbols_in_table()
660 static int may_be_linker_script_provide_symbol(const struct sym_entry *se)  in may_be_linker_script_provide_symbol()  argument
662 	const char *symbol = sym_name(se);  in may_be_linker_script_provide_symbol()
663 	int len = se->len - 1;  in may_be_linker_script_provide_symbol()
684 	if (!memcmp(symbol + len - 6, "_start", 6))  in may_be_linker_script_provide_symbol()
688 	if (!memcmp(symbol + len - 4, "_end", 4))  in may_be_linker_script_provide_symbol()
701 	if (sa->addr > sb->addr)  in compare_symbols()
703 	if (sa->addr < sb->addr)  in compare_symbols()
704 		return -1;  in compare_symbols()
707 	wa = (sa->sym[0] == 'w') || (sa->sym[0] == 'W');  in compare_symbols()
708 	wb = (sb->sym[0] == 'w') || (sb->sym[0] == 'W');  in compare_symbols()
710 		return wa - wb;  in compare_symbols()
716 		return wa - wb;  in compare_symbols()
722 		return wa - wb;  in compare_symbols()
725 	return sa->start_pos - sb->start_pos;  in compare_symbols()
744 			table[i]->sym[0] = 'A';  in make_percpus_absolute()
745 			table[i]->percpu_absolute = 1;  in make_percpus_absolute()
749 /* find the minimum non-absolute symbol address */
758 			 * Take the first non-absolute symbol value.  in record_relative_base()
760 			relative_base = table[i]->addr;  in record_relative_base()
770 			if(strcmp(argv[i], "--all-symbols") == 0)  in main()
772 			else if (strcmp(argv[i], "--absolute-percpu") == 0)  in main()
774 			else if (strcmp(argv[i], "--base-relative") == 0)  in main()