From 42512a3fe6f2434cfc9381328d2a4755ebe6d051 Mon Sep 17 00:00:00 2001
From: Kim Phillips kim.phill...@freescale.com
Date: Wed, 28 Jan 2015 13:15:01 -0600
Subject: [PATCH] scripts/checkstack.pl: update to get AArch64 port from Linux
Bring checkstack.pl up to date from its upstream Linux development.
Effectively, the following linux commits:
208ad00 checkstack.pl: port to AArch64
fda9f99 scripts/checkstack.pl: automatically handle 32-bit and 64-bit mode for
ARCH=x86
7eb6e34 kbuild: trivial - remove trailing empty lines
690998b scripts/checkstack.pl: Add metag support
Reported-by: York Sun york...@freescale.com
Cc: Masahiro Yamada yamad...@jp.panasonic.com
Signed-off-by: Kim Phillips kim.phill...@freescale.com
---
scripts/checkstack.pl | 27 ---
1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index c1cdc0a..dd83978 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -13,7 +13,7 @@
# Random bits by Matt Mackall m...@selenic.com
# M68k port by Geert Uytterhoeven and Andreas Schwab
# AVR32 port by Haavard Skinnemoen (Atmel)
-# PARISC port by Kyle McMartin k...@parisc-linux.org
+# AArch64, PARISC ports by Kyle McMartin
# sparc port by Martin Habets errandir_n...@mph.eclipse.co.uk
#
# Usage:
@@ -34,7 +34,7 @@ use strict;
# $1 (first bracket) matches the dynamic amount of the stack growth
#
# use anything else and feel the pain ;)
-my (@stack, $re, $dre, $x, $xs);
+my (@stack, $re, $dre, $x, $xs, $funcre);
{
my $arch = shift;
if ($arch eq ) {
@@ -44,21 +44,23 @@ my (@stack, $re, $dre, $x, $xs);
$x = [0-9a-f]; # hex character
$xs = [0-9a-f ]; # hex character or space
- if ($arch eq 'arm') {
+ $funcre = qr/^$x* (.*):$/;
+ if ($arch eq 'aarch64') {
+ #ffc0006325cc: a9bb7bfdstp x29, x30,
[sp,#-80]!
+ $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+ } elsif ($arch eq 'arm') {
#c0008ffc: e24dd064sub sp, sp, #100; 0x64
$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
} elsif ($arch eq 'avr32') {
#808a: 20 1d sub sp,4
#8ca8: fa cd 05 b0 sub sp,sp,1456
$re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
- } elsif ($arch =~ /^i[3456]86$/) {
+ } elsif ($arch =~ /^x86(_64)?$/ || $arch =~ /^i[3456]86$/) {
#c0105234: 81 ec ac 05 00 00 sub$0x5ac,%esp
- $re = qr/^.*[as][du][db]\$(0x$x{1,8}),\%esp$/o;
- $dre = qr/^.*[as][du][db](%.*),\%esp$/o;
- } elsif ($arch eq 'x86_64') {
- #2f60: 48 81 ec e8 05 00 00sub$0x5e8,%rsp
- $re = qr/^.*[as][du][db]\$(0x$x{1,8}),\%rsp$/o;
- $dre = qr/^.*[as][du][db](\%.*),\%rsp$/o;
+ # or
+ #2f60:48 81 ec e8 05 00 00 sub$0x5e8,%rsp
+ $re = qr/^.*[as][du][db]\$(0x$x{1,8}),\%(e|r)sp$/o;
+ $dre = qr/^.*[as][du][db](%.*),\%(e|r)sp$/o;
} elsif ($arch eq 'ia64') {
#e44011fc: 01 0f fc 8c adds r12=-384,r12
$re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o;
@@ -66,6 +68,10 @@ my (@stack, $re, $dre, $x, $xs);
#2b6c: 4e56 fb70 linkw %fp,#-1168
# 1df770: defc ffe4 addaw #-28,%sp
$re = qr/.*(?:linkw %fp,|addaw )#-([0-9]{1,4})(?:,%sp)?$/o;
+ } elsif ($arch eq 'metag') {
+ #400026fc: 40 00 00 82 ADD A0StP,A0StP,#0x8
+ $re = qr/.*ADD.*A0StP,A0StP,\#(0x$x{1,8})/o;
+ $funcre = qr/^$x* [^\$](.*):$/;
} elsif ($arch eq 'mips64') {
#8800402c: 67bdfff0daddiu sp,sp,-16
$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
@@ -109,7 +115,6 @@ my (@stack, $re, $dre, $x, $xs);
#
# main()
#
-my $funcre = qr/^$x* (.*):$/;
my ($func, $file, $lastslash);
while (my $line = STDIN) {
--
2.2.2
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