Commit de0248fb authored by Alexandre Chartre's avatar Alexandre Chartre Committed by Peter Zijlstra
Browse files

objtool: Record symbol name max length 



Keep track of the maximum length of symbol names. This will help
formatting the code flow between different functions.

Signed-off-by: default avatarAlexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarJosh Poimboeuf <jpoimboe@kernel.org>
Link: https://patch.msgid.link/20251121095340.464045-10-alexandre.chartre@oracle.com
parent a0e5bf9f

tools/objtool/check.c

+7 −0
Original line number Diff line number Diff line
@@ -37,6 +37,8 @@ static struct cfi_state init_cfi; 
static struct cfi_state func_cfi;

static struct cfi_state force_undefined_cfi;



static size_t sym_name_max_len;



struct instruction *find_insn(struct objtool_file *file,

			      struct section *sec, unsigned long offset)

{
@@ -2463,6 +2465,7 @@ static bool is_profiling_func(const char *name) 
static int classify_symbols(struct objtool_file *file)

{

	struct symbol *func;

	size_t len;



	for_each_sym(file->elf, func) {

		if (is_notype_sym(func) && strstarts(func->name, ".L"))
@@ -2489,6 +2492,10 @@ static int classify_symbols(struct objtool_file *file) 


		if (is_profiling_func(func->name))

			func->profiling_func = true;



		len = strlen(func->name);

		if (len > sym_name_max_len)

			sym_name_max_len = len;

	}



	return 0;