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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2008-10-10 21:33:30 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-10-10 21:34:03 +0200 |
| commit | 89d49841e9e7a90b04b036b7dbe7521b55edbe24 (patch) | |
| tree | 6284b071511c4cdd50219a212c24a4ed62f7af4e /scripts/checkstack.pl | |
| parent | 4a672cfa3a7fcbc6f2adc558f34148be1096c561 (diff) | |
| download | lwn-89d49841e9e7a90b04b036b7dbe7521b55edbe24.tar.gz lwn-89d49841e9e7a90b04b036b7dbe7521b55edbe24.zip | |
[S390] Fix checkstack for s390
With -march=z990 and later gcc can use the long displacement facility
insruction lay for stack register handling. This patch adopts checkstack
to catch lay in addition to ahi and aghi.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'scripts/checkstack.pl')
| -rwxr-xr-x | scripts/checkstack.pl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index 3eca62566d6b..f7e8e93ff30d 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -81,7 +81,10 @@ my (@stack, $re, $dre, $x, $xs); $re = qr/.*st[dw]u.*r1,-($x{1,8})\(r1\)/o; } elsif ($arch =~ /^s390x?$/) { # 11160: a7 fb ff 60 aghi %r15,-160 - $re = qr/.*ag?hi.*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})/o; + # or + # 100092: e3 f0 ff c8 ff 71 lay %r15,-56(%r15) + $re = qr/.*(?:lay|ag?hi).*\%r15,-(([0-9]{2}|[3-9])[0-9]{2}) + (?:\(\%r15\))?$/ox; } elsif ($arch =~ /^sh64$/) { #XXX: we only check for the immediate case presently, # though we will want to check for the movi/sub |