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

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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>
This commit is contained in:
Rabin Vincent 2010-11-30 17:36:48 +01:00 • committed by Russell King
parent cd3478f2bd
commit ed60453fa8
3 changed files with 8 additions and 3 deletions
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5
scripts/recordmcount.h
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@ -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);
}