In nop_mcount, shdr->sh_offset and welp->r_offset should handle
endianness properly, otherwise it will trigger Segmentation fault
if the recordmcount main and file.o have different endianness.
Cc: <sta...@vger.kernel.org> # 3.0+
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
scripts/recordmcount.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index 49b582a..b9897e2 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -377,7 +377,7 @@ static void nop_mcount(Elf_Shdr const *const relhdr,
if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
if (make_nop)
- ret = make_nop((void *)ehdr, shdr->sh_offset +
relp->r_offset);
+ ret = make_nop((void *)ehdr,
_w(shdr->sh_offset) + _w(relp->r_offset));
if (warn_on_notrace_sect && !once) {
printf("Section %s has mcount callers being
ignored\n",
txtname);
--
1.7.1
--
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