diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kallsyms.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index bb880ba4e776..b2d21f78e229 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -4,6 +4,7 @@ * Rewritten and vastly simplified by Rusty Russell for in-kernel * module loader: * Copyright 2002 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation + * Stem compression by Andi Kleen. */ #include <linux/kallsyms.h> #include <linux/module.h> @@ -22,7 +23,7 @@ extern char _stext[], _etext[]; const char *kallsyms_lookup(unsigned long addr, unsigned long *symbolsize, unsigned long *offset, - char **modname) + char **modname, char *namebuf) { unsigned long i, best = 0; @@ -30,6 +31,8 @@ const char *kallsyms_lookup(unsigned long addr, if ((void *)kallsyms_addresses == &kallsyms_dummy) BUG(); + namebuf[127] = 0; + if (addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) { unsigned long symbol_end; char *name = kallsyms_names; @@ -42,8 +45,11 @@ const char *kallsyms_lookup(unsigned long addr, } /* Grab name */ - for (i = 0; i < best; i++) + for (i = 0; i < best; i++) { + ++name; + strncpy(namebuf + name[-1], name, 127); name += strlen(name)+1; + } /* Base symbol size on next symbol. */ if (best + 1 < kallsyms_num_syms) @@ -54,7 +60,7 @@ const char *kallsyms_lookup(unsigned long addr, *symbolsize = symbol_end - kallsyms_addresses[best]; *modname = NULL; *offset = addr - kallsyms_addresses[best]; - return name; + return namebuf; } return module_address_lookup(addr, symbolsize, offset, modname); @@ -66,8 +72,9 @@ void __print_symbol(const char *fmt, unsigned long address) char *modname; const char *name; unsigned long offset, size; + char namebuf[128]; - name = kallsyms_lookup(address, &size, &offset, &modname); + name = kallsyms_lookup(address, &size, &offset, &modname, namebuf); if (!name) { char addrstr[sizeof("0x%lx") + (BITS_PER_LONG*3/10)]; |