ARM: 6511/1: ftrace: add ARM support for C version of recordmcount

Depending on the compiler version, ARM GCC calls the mcount function
either __gnu_mcount_nc or mcount.

Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 3 insertions, 2 deletions

diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index 58e933a2054..8087bc8cd2d 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -275,11 +275,12 @@ static uint_t *sift_rel_mcount(uint_t *mlocp,
                         Elf_Sym const *const symp =
                                 &sym0[Elf_r_sym(relp)];
                         char const *symname = &str0[w(symp->st_name)];
+                        char const *mcount = '_' == gpfx ? "_mcount" : "mcount";
 
                         if ('.' == symname[0])
                                 ++symname;  /* ppc64 hack */
-                        if (0 == strcmp((('_' == gpfx) ? "_mcount" : "mcount"),
-                                        symname))
+                        if (0 == strcmp(mcount, symname) ||
+                            (altmcount && 0 == strcmp(altmcount, symname)))
                                 mcountsym = Elf_r_sym(relp);
                 }