const struct size_overflow_hash *get_size_overflow_hash_entry_tree(struct fn_raw_data *raw_data, bool hash_table)
{
const_tree orig_decl;
gcc_assert(raw_data->decl != NULL_TREE);
if (made_by_compiler(raw_data->decl)) {
orig_decl = get_orig_fndecl(raw_data->decl);
if (raw_data->orig_num == NONE_ARGNUM)
raw_data->orig_num = get_correct_argnum(raw_data->decl, orig_decl, raw_data->num);
} else {
orig_decl = raw_data->decl;
raw_data->orig_num = raw_data->num;
}
if (raw_data->orig_num == CANNOT_FIND_ARG)
return NULL;
if (!raw_data->orig_decl_str)
raw_data->orig_decl_str = get_orig_decl_name(orig_decl);
raw_data->hash = get_decl_hash(orig_decl, raw_data->orig_decl_str);
if (raw_data->hash == NO_HASH)
return NULL;
if (!raw_data->context)
raw_data->context = get_decl_context(orig_decl);
if (!raw_data->context)
return NULL;
if (hash_table == SIZE_OVERFLOW)
return get_size_overflow_hash_entry(raw_data);
return get_disable_size_overflow_hash_entry(raw_data);
}
const char *get_orig_decl_name(const_tree decl)
{
const char *name;
unsigned int len;
const void *end;
const_tree orig_decl;
if (TREE_CODE(decl) == FUNCTION_DECL)
orig_decl = DECL_ORIGIN(decl);
else
orig_decl = decl;
len = DECL_NAME_LENGTH(orig_decl);
name = DECL_NAME_POINTER(orig_decl);
/* Sometimes gcc loses the original cgraph node leaving only clones behind.
* In such cases we will extract the name from the clone and use it in the hash table
* without checking the parameter number on the original (unavailable) decl.
*/
if (made_by_compiler(orig_decl)) {
end = memchr(name, '.', len);
if (!end)
return xstrndup(name, len);
len = (long)end - (long)name;
gcc_assert(len > 0);
}
return xstrndup(name, len);
}
static bool is_interesting_function(const_tree decl, unsigned int num)
{
const struct size_overflow_hash *so_hash;
if (get_global_next_interesting_function_entry_with_hash(decl, DECL_NAME_POINTER(decl), num, YES_SO_MARK))
return true;
if (made_by_compiler(decl))
return false;
so_hash = get_size_overflow_hash_entry_tree(decl, num);
return so_hash != NULL;
}
