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 <yorksun@freescale.com>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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 <mpm@selenic.com>
# M68k port by Geert Uytterhoeven and Andreas Schwab
# AVR32 port by Haavard Skinnemoen (Atmel)
-# PARISC port by Kyle McMartin <kyle@parisc-linux.org>
+# AArch64, PARISC ports by Kyle McMartin
# sparc port by Martin Habets <errandir_news@mph.eclipse.co.uk>
#
# Usage:
@@ -34,7 +34,7 @@
# $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 @@
$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') {
+ #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp,#-80]!
+ $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+ } elsif ($arch eq 'arm') {
#c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64
$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
} elsif ($arch eq 'avr32') {
#8000008a: 20 1d sub sp,4
#80000ca8: 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 00 sub $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') {
#e0000000044011fc: 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 @@
# 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: 67bdfff0 daddiu sp,sp,-16
$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
@@ -109,7 +115,6 @@
#
# main()
#
-my $funcre = qr/^$x* <(.*)>:$/;
my ($func, $file, $lastslash);
while (my $line = <STDIN>) {