diff options
Diffstat (limited to 'target/linux/generic/patches-3.18/205-backtrace_module_info.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/205-backtrace_module_info.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/205-backtrace_module_info.patch b/target/linux/generic/patches-3.18/205-backtrace_module_info.patch new file mode 100644 index 0000000..f83b21e --- /dev/null +++ b/target/linux/generic/patches-3.18/205-backtrace_module_info.patch @@ -0,0 +1,36 @@ +--- a/lib/vsprintf.c ++++ b/lib/vsprintf.c +@@ -614,8 +614,10 @@ char *symbol_string(char *buf, char *end + struct printf_spec spec, const char *fmt) + { + unsigned long value; +-#ifdef CONFIG_KALLSYMS + char sym[KSYM_SYMBOL_LEN]; ++#ifndef CONFIG_KALLSYMS ++ struct module *mod; ++ int len; + #endif + + if (fmt[1] == 'R') +@@ -629,15 +631,15 @@ char *symbol_string(char *buf, char *end + sprint_symbol(sym, value); + else + sprint_symbol_no_offset(sym, value); +- +- return string(buf, end, sym, spec); + #else +- spec.field_width = 2 * sizeof(void *); +- spec.flags |= SPECIAL | SMALL | ZEROPAD; +- spec.base = 16; ++ len = snprintf(sym, sizeof(sym), "0x%lx", value); + +- return number(buf, end, value, spec); ++ mod = __module_address(value); ++ if (mod) ++ snprintf(sym + len, sizeof(sym) - len, " [%s@%p+0x%x]", ++ mod->name, mod->module_core, mod->core_size); + #endif ++ return string(buf, end, sym, spec); + } + + static noinline_for_stack |