<commit_before>#!/usr/bin/perl

#	Check the stack usage of functions
#
#	Copyright <NAME> <<EMAIL>>
#	Inspired by <NAME>
#	Original idea maybe from Keith Owens
#	s390 port and big speedup by <NAME> <<EMAIL>>
#	Mips port by <NAME> <<EMAIL>>
#	IA64 port via Andreas Dilger
#	Arm port by <NAME>
#	sh64 port by <NAME>
#	Random bits by <NAME> <<EMAIL>>
#	M68k port by <NAME> and <NAME>
#	AVR32 port by <NAME> <<EMAIL>>
#	PARISC port by <NAME> <<EMAIL>>
#
#	Usage:
#	objdump -d vmlinux | scripts/checkstack.pl [arch]
#
#	TODO :	Port to all architectures (one regex per arch)

# check for arch
#
# $re is used for two matches:
# $& (whole re) matches the complete objdump line with the stack growth
# $1 (first bracket) matches the size of the stack growth
#
# $dre is similar, but for dynamic stack redutions:
# $& (whole re) matches the complete objdump line with the stack growth
# $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 $arch = shift;
	if ($arch eq "") {
		$arch = `uname -m`;
	}

	$x	= "[0-9a-f]";	# hex character
	$xs	= "[0-9a-f ]";	# hex character or space
	if ($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$/) {
		#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;
	} elsif ($arch eq 'ia64') {
		#e0000000044011fc:       01 0f fc 8c     adds r12=-384,r12
		$re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o;
	} elsif ($arch eq 'm68k') {
		#    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 'mips64') {
		#8800402c:       67bdfff0        daddiu  sp,sp,-16
		$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
	} elsif ($arch eq 'mips') {
		#88003254:       27bdffe0        addiu   sp,sp,-32
		$re = qr/.*addiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
	} elsif ($arch eq 'parisc' || $arch eq 'parisc64') {
		$re = qr/.*ldo ($x{1,8})\(sp\),sp/o;
	} elsif ($arch eq 'ppc') {
		#c00029f4:       94 21 ff 30     stwu    r1,-208(r1)
		$re = qr/.*stwu.*r1,-($x{1,8})\(r1\)/o;
	} elsif ($arch eq 'ppc64') {
		#XXX
		$re = qr/.*stdu.*r1,-($x{1,8})\(r1\)/o;
	} elsif ($arch eq 'powerpc') {
		$re = qr/.*st[dw]u.*r1,-($x{1,8})\(r1\)/o;
	} elsif ($arch =~ /^s390x?$/) {
		#   11160:       a7 fb ff 60             aghi   %r15,-160
		$re = qr/.*ag?hi.*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})/o;
	} elsif ($arch =~ /^sh64$/) {
		#XXX: we only check for the immediate case presently,
		#     though we will want to check for the movi/sub
		#     pair for larger users. -- PFM.
		#a00048e0:       d4fc40f0        addi.l  r15,-240,r15
		$re = qr/.*addi\.l.*r15,-(([0-9]{2}|[3-9])[0-9]{2}),r15/o;
	} elsif ($arch =~ /^blackfin$/) {
		#   0:   00 e8 38 01     LINK 0x4e0;
		$re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
	} else {
		print("wrong or unknown architecture\n");
		exit
	}
}

sub bysize($) {
	my ($asize, $bsize);
	($asize = $a) =~ s/.*:	*(.*)$/$1/;
	($bsize = $b) =~ s/.*:	*(.*)$/$1/;
	$bsize <=> $asize
}

#
# main()
#
my $funcre = qr/^$x* <(.*)>:$/;<commit_msg>fix checkstack.pl arch detection<commit_after>#!/usr/bin/perl

#	Check the stack usage of functions
#
#	Copyright <NAME> <<EMAIL>>
#	Inspired by <NAME>
#	Original idea maybe from Keith Owens
#	s390 port and big speedup by <NAME> <<EMAIL>>
#	Mips port by <NAME> <<EMAIL>>
#	IA64 port via Andreas Dilger
#	Arm port by <NAME>
#	sh64 port by <NAME>
#	Random bits by <NAME> <<EMAIL>>
#	M68k port by <NAME> and <NAME>
#	AVR32 port by <NAME> <<EMAIL>>
#	PARISC port by <NAME> <<EMAIL>>
#
#	Usage:
#	objdump -d vmlinux | scripts/checkstack.pl [arch]
#
#	TODO :	Port to all architectures (one regex per arch)

# check for arch
#
# $re is used for two matches:
# $& (whole re) matches the complete objdump line with the stack growth
# $1 (first bracket) matches the size of the stack growth
#
# $dre is similar, but for dynamic stack redutions:
# $& (whole re) matches the complete objdump line with the stack growth
# $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 $arch = shift;
	if ($arch eq "") {
		$arch = `uname -m`;
		chomp($arch);
	}

	$x	= "[0-9a-f]";	# hex character
	$xs	= "[0-9a-f ]";	# hex character or space
	if ($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$/) {
		#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;
	} elsif ($arch eq 'ia64') {
		#e0000000044011fc:       01 0f fc 8c     adds r12=-384,r12
		$re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o;
	} elsif ($arch eq 'm68k') {
		#    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 'mips64') {
		#8800402c:       67bdfff0        daddiu  sp,sp,-16
		$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
	} elsif ($arch eq 'mips') {
		#88003254:       27bdffe0        addiu   sp,sp,-32
		$re = qr/.*addiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
	} elsif ($arch eq 'parisc' || $arch eq 'parisc64') {
		$re = qr/.*ldo ($x{1,8})\(sp\),sp/o;
	} elsif ($arch eq 'ppc') {
		#c00029f4:       94 21 ff 30     stwu    r1,-208(r1)
		$re = qr/.*stwu.*r1,-($x{1,8})\(r1\)/o;
	} elsif ($arch eq 'ppc64') {
		#XXX
		$re = qr/.*stdu.*r1,-($x{1,8})\(r1\)/o;
	} elsif ($arch eq 'powerpc') {
		$re = qr/.*st[dw]u.*r1,-($x{1,8})\(r1\)/o;
	} elsif ($arch =~ /^s390x?$/) {
		#   11160:       a7 fb ff 60             aghi   %r15,-160
		$re = qr/.*ag?hi.*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})/o;
	} elsif ($arch =~ /^sh64$/) {
		#XXX: we only check for the immediate case presently,
		#     though we will want to check for the movi/sub
		#     pair for larger users. -- PFM.
		#a00048e0:       d4fc40f0        addi.l  r15,-240,r15
		$re = qr/.*addi\.l.*r15,-(([0-9]{2}|[3-9])[0-9]{2}),r15/o;
	} elsif ($arch =~ /^blackfin$/) {
		#   0:   00 e8 38 01     LINK 0x4e0;
		$re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
	} else {
		print("wrong or unknown architecture \"$arch\"\n");
		exit
	}
}

sub bysize($) {
	my ($asize, $bsize);
	($asize = $a) =~ s/.*:	*(.*)$/$1/;
	($bsize = $b) =~ s/.*:	*(.*)$/$1/;
	$bsize <=> $asize
}

#
# main()
#
my $funcre = qr/^$x* <(.*)>:$/;
{'fraction_non_alphanumeric': 0.24705404307192197, 'fraction_numerical': 0.09020723283218204, 'mean_word_length': 2.7086891009542944, 'pattern_counts': {'":': 0, '<': 53, '<?xml version=': 0, '>': 53, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 2, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6053179', 'n_tokens_mistral': 3927, 'n_tokens_neox': 3524, 'n_words': 829}