From: Jerome Marchand jmarchan@redhat.com
commit 85bf17b28f97ca2749968d8786dc423db320d9c2 upstream.
On s390, recordmcount.pl is looking for "bcrl 0,<xxx>" instructions in the objdump -d outpout. However since binutils 2.37, objdump -d display "jgnop <xxx>" for the same instruction. Update the mcount_regex so that it accepts both.
Signed-off-by: Jerome Marchand jmarchan@redhat.com Reviewed-by: Miroslav Benes mbenes@suse.cz Acked-by: Steven Rostedt (VMware) rostedt@goodmis.org Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20211210093827.1623286-1-jmarchan@redhat.com Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- scripts/recordmcount.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -252,7 +252,7 @@ if ($arch eq "x86_64") {
} elsif ($arch eq "s390" && $bits == 64) { if ($cc =~ /-DCC_USING_HOTPATCH/) { - $mcount_regex = "^\s*([0-9a-fA-F]+):\s*c0 04 00 00 00 00\s*brcl\s*0,[0-9a-f]+ <([^+]*)>$"; + $mcount_regex = "^\s*([0-9a-fA-F]+):\s*c0 04 00 00 00 00\s*(bcrl\s*0,|jgnop\s*)[0-9a-f]+ <([^+]*)>$"; $mcount_adjust = 0; } else { $mcount_regex = "^\s*([0-9a-fA-F]+):\s*R_390_(PC|PLT)32DBL\s+_mcount\+0x2$";