| Date | Wed, 18 May 2011 18:32:26 GMT | From | tip-bot for Steven Rostedt <> | Subject | [tip:perf/core] ftrace/recordmcount: Modify only executable sections |
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Commit-ID: 8abd5724a7f1631ab2276954156c629d4d17149a Gitweb: http://git.kernel.org/tip/8abd5724a7f1631ab2276954156c629d4d17149a Author: Steven Rostedt <srostedt@redhat.com> AuthorDate: Wed, 13 Apr 2011 13:31:08 -0400 Committer: Steven Rostedt <rostedt@goodmis.org> CommitDate: Mon, 16 May 2011 14:42:56 -0400
ftrace/recordmcount: Modify only executable sections
PROGBITS is not enough to determine if the section should be modified or not. Only process sections that are marked as executable.
Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023737.991485123@goodmis.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- scripts/recordmcount.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h index ac7b330..7f8d5c4 100644 --- a/scripts/recordmcount.h +++ b/scripts/recordmcount.h @@ -360,6 +360,7 @@ __has_rel_mcount(Elf_Shdr const *const relhdr, /* is SHT_REL or SHT_RELA */ succeed_file(); } if (w(txthdr->sh_type) != SHT_PROGBITS || + !(w(txthdr->sh_flags) & SHF_EXECINSTR) || !is_mcounted_section_name(txtname)) return NULL; return txtname;
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