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kbuild: remove obsoleted scripts/reference_* files
The checks performed by scripts/reference_* has been moved to modpost. Remove the files and their reference in top-level Makefile. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg
parent
6c2133e11b
commit
eae0f536f6
6
Makefile
6
Makefile
@ -1028,8 +1028,6 @@ help:
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@echo ' kernelversion - Output the version stored in Makefile'
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@echo ''
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@echo 'Static analysers'
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@echo ' buildcheck - List dangling references to vmlinux discarded sections'
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@echo ' and init sections from non-init sections'
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@echo ' checkstack - Generate a list of stack hogs'
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@echo ' namespacecheck - Name space analysis on compiled kernel'
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@echo ''
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@ -1255,10 +1253,6 @@ versioncheck:
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-name '*.[hcS]' -type f -print | sort \
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| xargs $(PERL) -w scripts/checkversion.pl
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buildcheck:
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$(PERL) $(srctree)/scripts/reference_discarded.pl
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$(PERL) $(srctree)/scripts/reference_init.pl
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namespacecheck:
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$(PERL) $(srctree)/scripts/namespace.pl
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@ -1,112 +0,0 @@
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#!/usr/bin/perl -w
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#
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# reference_discarded.pl (C) Keith Owens 2001 <kaos@ocs.com.au>
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#
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# Released under GPL V2.
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#
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# List dangling references to vmlinux discarded sections.
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use strict;
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die($0 . " takes no arguments\n") if($#ARGV >= 0);
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my %object;
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my $object;
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my $line;
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my $ignore;
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my $errorcount;
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$| = 1;
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# printf("Finding objects, ");
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open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
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while (defined($line = <OBJDUMP_LIST>)) {
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chomp($line);
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if ($line =~ /:\s+file format/) {
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($object = $line) =~ s/:.*//;
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$object{$object}->{'module'} = 0;
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$object{$object}->{'size'} = 0;
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$object{$object}->{'off'} = 0;
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}
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if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
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$object{$object}->{'module'} = 1;
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}
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if ($line =~ /^\s*\d+\s+\.comment\s+/) {
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($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
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}
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}
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close(OBJDUMP_LIST);
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# printf("%d objects, ", scalar keys(%object));
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$ignore = 0;
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foreach $object (keys(%object)) {
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if ($object{$object}->{'module'}) {
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++$ignore;
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delete($object{$object});
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}
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}
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# printf("ignoring %d module(s)\n", $ignore);
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# Ignore conglomerate objects, they have been built from multiple objects and we
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# only care about the individual objects. If an object has more than one GCC:
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# string in the comment section then it is conglomerate. This does not filter
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# out conglomerates that consist of exactly one object, can't be helped.
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# printf("Finding conglomerates, ");
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$ignore = 0;
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foreach $object (keys(%object)) {
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if (exists($object{$object}->{'off'})) {
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my ($off, $size, $comment, $l);
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$off = hex($object{$object}->{'off'});
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$size = hex($object{$object}->{'size'});
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open(OBJECT, "<$object") || die "cannot read $object";
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seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
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$l = read(OBJECT, $comment, $size);
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die "read $size bytes from $object .comment failed" if ($l != $size);
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close(OBJECT);
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if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
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++$ignore;
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delete($object{$object});
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}
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}
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}
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# printf("ignoring %d conglomerate(s)\n", $ignore);
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# printf("Scanning objects\n");
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# Keith Ownes <kaos@sgi.com> commented:
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# For our future {in}sanity, add a comment that this is the ppc .opd
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# section, not the ia64 .opd section.
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# ia64 .opd should not point to discarded sections.
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$errorcount = 0;
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foreach $object (keys(%object)) {
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my $from;
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open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
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while (defined($line = <OBJDUMP>)) {
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chomp($line);
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if ($line =~ /RELOCATION RECORDS FOR /) {
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($from = $line) =~ s/.*\[([^]]*).*/$1/;
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}
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if (($line =~ /\.text\.exit$/ ||
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$line =~ /\.exit\.text$/ ||
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$line =~ /\.data\.exit$/ ||
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$line =~ /\.exit\.data$/ ||
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$line =~ /\.exitcall\.exit$/) &&
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($from !~ /\.text\.exit$/ &&
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$from !~ /\.exit\.text$/ &&
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$from !~ /\.data\.exit$/ &&
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$from !~ /\.opd$/ &&
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$from !~ /\.exit\.data$/ &&
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$from !~ /\.altinstructions$/ &&
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$from !~ /\.pdr$/ &&
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$from !~ /\.debug_.*$/ &&
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$from !~ /\.exitcall\.exit$/ &&
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$from !~ /\.eh_frame$/ &&
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$from !~ /\.stab$/)) {
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printf("Error: %s %s refers to %s\n", $object, $from, $line);
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$errorcount = $errorcount + 1;
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}
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}
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close(OBJDUMP);
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}
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# printf("Done\n");
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exit(0);
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@ -1,108 +0,0 @@
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#!/usr/bin/perl -w
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#
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# reference_init.pl (C) Keith Owens 2002 <kaos@ocs.com.au>
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#
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# List references to vmlinux init sections from non-init sections.
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# Unfortunately I had to exclude references from read only data to .init
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# sections, almost all of these are false positives, they are created by
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# gcc. The downside of excluding rodata is that there really are some
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# user references from rodata to init code, e.g. drivers/video/vgacon.c
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#
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# const struct consw vga_con = {
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# con_startup: vgacon_startup,
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#
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# where vgacon_startup is __init. If you want to wade through the false
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# positives, take out the check for rodata.
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use strict;
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die($0 . " takes no arguments\n") if($#ARGV >= 0);
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my %object;
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my $object;
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my $line;
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my $ignore;
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$| = 1;
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printf("Finding objects, ");
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open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
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while (defined($line = <OBJDUMP_LIST>)) {
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chomp($line);
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if ($line =~ /:\s+file format/) {
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($object = $line) =~ s/:.*//;
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$object{$object}->{'module'} = 0;
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$object{$object}->{'size'} = 0;
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$object{$object}->{'off'} = 0;
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}
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if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
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$object{$object}->{'module'} = 1;
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}
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if ($line =~ /^\s*\d+\s+\.comment\s+/) {
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($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
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}
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}
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close(OBJDUMP_LIST);
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printf("%d objects, ", scalar keys(%object));
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$ignore = 0;
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foreach $object (keys(%object)) {
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if ($object{$object}->{'module'}) {
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++$ignore;
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delete($object{$object});
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}
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}
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printf("ignoring %d module(s)\n", $ignore);
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# Ignore conglomerate objects, they have been built from multiple objects and we
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# only care about the individual objects. If an object has more than one GCC:
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# string in the comment section then it is conglomerate. This does not filter
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# out conglomerates that consist of exactly one object, can't be helped.
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printf("Finding conglomerates, ");
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$ignore = 0;
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foreach $object (keys(%object)) {
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if (exists($object{$object}->{'off'})) {
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my ($off, $size, $comment, $l);
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$off = hex($object{$object}->{'off'});
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$size = hex($object{$object}->{'size'});
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open(OBJECT, "<$object") || die "cannot read $object";
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seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
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$l = read(OBJECT, $comment, $size);
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die "read $size bytes from $object .comment failed" if ($l != $size);
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close(OBJECT);
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if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
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++$ignore;
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delete($object{$object});
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}
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}
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}
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printf("ignoring %d conglomerate(s)\n", $ignore);
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printf("Scanning objects\n");
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foreach $object (sort(keys(%object))) {
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my $from;
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open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
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while (defined($line = <OBJDUMP>)) {
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chomp($line);
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if ($line =~ /RELOCATION RECORDS FOR /) {
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($from = $line) =~ s/.*\[([^]]*).*/$1/;
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}
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if (($line =~ /\.init$/ || $line =~ /\.init\./) &&
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($from !~ /\.init$/ &&
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$from !~ /\.init\./ &&
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$from !~ /\.stab$/ &&
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$from !~ /\.rodata$/ &&
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$from !~ /\.text\.lock$/ &&
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$from !~ /\.pci_fixup_header$/ &&
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$from !~ /\.pci_fixup_final$/ &&
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$from !~ /\.pdr$/ &&
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$from !~ /\__param$/ &&
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$from !~ /\.altinstructions/ &&
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$from !~ /\.eh_frame/ &&
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$from !~ /\.debug_/)) {
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printf("Error: %s %s refers to %s\n", $object, $from, $line);
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}
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}
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close(OBJDUMP);
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}
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printf("Done\n");
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