[RFC PATCH v2 10/17] objtool: Record symbol name max length
From: Alexandre Chartre
Date: Thu Jun 19 2025 - 11:00:53 EST
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@xxxxxxxxxx>
---
tools/objtool/check.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 947fe57e9a6d..413860f2d7fa 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -35,6 +35,8 @@ 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)
{
@@ -2459,6 +2461,7 @@ 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, func) {
if (func->type == STT_NOTYPE && strstarts(func->name, ".L"))
@@ -2485,6 +2488,10 @@ 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;
--
2.43.5