diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:24:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:27:03 +0200 |
| commit | f99e44a7f3352d7131c7526207f153f13ec5acd4 (patch) | |
| tree | 0f448b21128c478053ee7f7765b865954c4eebe8 /lib/vsprintf.c | |
| parent | fd29f424d458118f02e89596505c68a63dcb3007 (diff) | |
| parent | ce857229e0c3adc211944a13a5579ef84fd7b4af (diff) | |
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib/vsprintf.c')
| -rw-r--r-- | lib/vsprintf.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 0d62fd700f68..e149c6416384 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -534,14 +534,21 @@ char *string(char *buf, char *end, const char *s, struct printf_spec spec) static noinline_for_stack char *symbol_string(char *buf, char *end, void *ptr, - struct printf_spec spec, char ext) + struct printf_spec spec, const char *fmt) { - unsigned long value = (unsigned long) ptr; + unsigned long value; #ifdef CONFIG_KALLSYMS char sym[KSYM_SYMBOL_LEN]; - if (ext == 'B') +#endif + + if (fmt[1] == 'R') + ptr = __builtin_extract_return_addr(ptr); + value = (unsigned long)ptr; + +#ifdef CONFIG_KALLSYMS + if (*fmt == 'B') sprint_backtrace(sym, value); - else if (ext != 'f' && ext != 's') + else if (*fmt != 'f' && *fmt != 's') sprint_symbol(sym, value); else sprint_symbol_no_offset(sym, value); @@ -987,6 +994,7 @@ int kptr_restrict __read_mostly; * - 'f' For simple symbolic function names without offset * - 'S' For symbolic direct pointers with offset * - 's' For symbolic direct pointers without offset + * - '[FfSs]R' as above with __builtin_extract_return_addr() translation * - 'B' For backtraced symbolic direct pointers with offset * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201] @@ -1060,7 +1068,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, case 'S': case 's': case 'B': - return symbol_string(buf, end, ptr, spec, *fmt); + return symbol_string(buf, end, ptr, spec, fmt); case 'R': case 'r': return resource_string(buf, end, ptr, spec, fmt); |