Hello.
On 10/30/2015 11:31 AM, Li Bin wrote:
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: <[email protected]> # 3.0+
Signed-off-by: Li Bin <[email protected]>
---
scripts/recordmcount.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index 49b582a..dda9dba 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -376,8 +376,9 @@ static void nop_mcount(Elf_Shdr const *const relhdr,
mcountsym = get_mcountsym(sym0, relp, str0);
if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
- if (make_nop)
- ret = make_nop((void *)ehdr, shdr->sh_offset +
relp->r_offset);
+ if (make_nop) {
+ ret = make_nop((void *)ehdr, _w(shdr->sh_offset) +
_w(relp->r_offset));
+ }
{} not needed here.
MBR, Sergei
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