diff options
Diffstat (limited to 'scripts/checkstack.pl')
| -rwxr-xr-x | scripts/checkstack.pl | 65 |
1 files changed, 36 insertions, 29 deletions
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index d2c38584ece6..14ce31f732ee 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -8,17 +8,17 @@ # Original idea maybe from Keith Owens # s390 port and big speedup by Arnd Bergmann <arnd@bergmann-dalldorf.de> # Mips port by Juan Quintela <quintela@mandrakesoft.com> -# IA64 port via Andreas Dilger # Arm port by Holger Schurig -# sh64 port by Paul Mundt # Random bits by Matt Mackall <mpm@selenic.com> # M68k port by Geert Uytterhoeven and Andreas Schwab # AArch64, PARISC ports by Kyle McMartin # sparc port by Martin Habets <errandir_news@mph.eclipse.co.uk> # ppc64le port by Breno Leitao <leitao@debian.org> +# riscv port by Wadim Mueller <wafgo01@gmail.com> +# loongarch port by Youling Tang <tangyouling@kylinos.cn> # # Usage: -# objdump -d vmlinux | scripts/checkstack.pl [arch] +# objdump -d vmlinux | scripts/checkstack.pl [arch] [min_stack] # # TODO : Port to all architectures (one regex per arch) @@ -47,7 +47,7 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack); $min_stack = shift; if ($min_stack eq "" || $min_stack !~ /^\d+$/) { - $min_stack = 100; + $min_stack = 512; } $x = "[0-9a-f]"; # hex character @@ -56,7 +56,7 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack); if ($arch =~ '^(aarch|arm)64$') { #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]! #a110: d11643ff sub sp, sp, #0x590 - $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o; + $re = qr/^.*stp.*sp, ?\#-([0-9]{1,8})\]\!/o; $dre = qr/^.*sub.*sp, sp, #(0x$x{1,8})/o; } elsif ($arch eq 'arm') { #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 @@ -68,25 +68,22 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack); # 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 - $re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o; } elsif ($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; + $re = qr/.*daddiu.*sp,sp,-([0-9]{1,8})/o; } elsif ($arch eq 'mips') { #88003254: 27bdffe0 addiu sp,sp,-32 - $re = qr/.*addiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o; + $re = qr/.*addiu.*sp,sp,-([0-9]{1,8})/o; } elsif ($arch eq 'nios2') { #25a8: defffb04 addi sp,sp,-20 - $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o; + $re = qr/.*addi.*sp,sp,-([0-9]{1,8})/o; } elsif ($arch eq 'openrisc') { # c000043c: 9c 21 fe f0 l.addi r1,r1,-272 - $re = qr/.*l\.addi.*r1,r1,-(([0-9]{2}|[3-9])[0-9]{2})/o; + $re = qr/.*l\.addi.*r1,r1,-([0-9]{1,8})/o; } elsif ($arch eq 'parisc' || $arch eq 'parisc64') { $re = qr/.*ldo ($x{1,8})\(sp\),sp/o; } elsif ($arch eq 'powerpc' || $arch =~ /^ppc(64)?(le)?$/ ) { @@ -97,17 +94,16 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack); # 11160: a7 fb ff 60 aghi %r15,-160 # 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 - # 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; + $re = qr/.*(?:lay|ag?hi).*\%r15,-([0-9]+)(?:\(\%r15\))?$/o; } elsif ($arch eq 'sparc' || $arch eq 'sparc64') { # f0019d10: 9d e3 bf 90 save %sp, -112, %sp - $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o; + $re = qr/.*save.*%sp, -([0-9]{1,8}), %sp/o; + } elsif ($arch =~ /^riscv(64)?$/) { + #ffffffff8036e868: c2010113 addi sp,sp,-992 + $re = qr/.*addi.*sp,sp,-([0-9]{1,8})/o; + } elsif ($arch =~ /^loongarch(32|64)?$/) { + #9000000000224708: 02ff4063 addi.d $sp, $sp, -48(0xfd0) + $re = qr/.*addi\..*sp, .*sp, -([0-9]{1,8}).*/o; } else { print("wrong or unknown architecture \"$arch\"\n"); exit @@ -142,15 +138,11 @@ $total_size = 0; while (my $line = <STDIN>) { if ($line =~ m/$funcre/) { $func = $1; - next if $line !~ m/^($xs*)/; + next if $line !~ m/^($x*)/; if ($total_size > $min_stack) { push @stack, "$intro$total_size\n"; } - - $addr = $1; - $addr =~ s/ /0/g; - $addr = "0x$addr"; - + $addr = "0x$1"; $intro = "$addr $func [$file]:"; my $padlen = 56 - length($intro); while ($padlen > 0) { @@ -197,5 +189,20 @@ if ($total_size > $min_stack) { push @stack, "$intro$total_size\n"; } -# Sort output by size (last field) -print sort { ($b =~ /:\t*(\d+)$/)[0] <=> ($a =~ /:\t*(\d+)$/)[0] } @stack; +# Sort output by size (last field) and function name if size is the same +sub sort_lines { + my ($a, $b) = @_; + + my $num_a = $1 if $a =~ /:\t*(\d+)$/; + my $num_b = $1 if $b =~ /:\t*(\d+)$/; + my $func_a = $1 if $a =~ / (.*):/; + my $func_b = $1 if $b =~ / (.*):/; + + if ($num_a != $num_b) { + return $num_b <=> $num_a; + } else { + return $func_a cmp $func_b; + } +} + +print sort { sort_lines($a, $b) } @stack; |