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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: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://patch.msgid.link/20251121095340.464045-10-alexandre.chartre@oracle.com
This commit is contained in:
Alexandre Chartre 2025-11-21 10:53:19 +01:00 committed by Peter Zijlstra
parent a0e5bf9fd6
commit de0248fbbf
1 changed files with 7 additions and 0 deletions
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7
tools/objtool/check.c
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@ -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;