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authorSam Ravnborg <sam@mars.ravnborg.org>2006-03-21 01:28:24 -0500
committerSam Ravnborg <sam@mars.ravnborg.org>2006-03-21 01:28:24 -0500
commiteae0f536f640bb95f2ad437a57c40c7d5683d1ac (patch)
tree40e5ca04ecf2390fe75f3efad17f8e51d4aced66
parent6c2133e11b422b7379b5a660c639f7d53d18ca3b (diff)
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>
Diffstat
-rw-r--r--Makefile6
-rw-r--r--scripts/reference_discarded.pl112
-rw-r--r--scripts/reference_init.pl108
3 files changed, 0 insertions, 226 deletions
diff --git a/Makefile b/Makefile
index 0c223dfd3020..6df94f9168c5 100644
--- a/Makefile
+++ b/Makefile
@@ -1028,8 +1028,6 @@ help:
1028 @echo ' kernelversion - Output the version stored in Makefile' 1028 @echo ' kernelversion - Output the version stored in Makefile'
1029 @echo '' 1029 @echo ''
1030 @echo 'Static analysers' 1030 @echo 'Static analysers'
1031 @echo ' buildcheck - List dangling references to vmlinux discarded sections'
1032 @echo ' and init sections from non-init sections'
1033 @echo ' checkstack - Generate a list of stack hogs' 1031 @echo ' checkstack - Generate a list of stack hogs'
1034 @echo ' namespacecheck - Name space analysis on compiled kernel' 1032 @echo ' namespacecheck - Name space analysis on compiled kernel'
1035 @echo '' 1033 @echo ''
@@ -1255,10 +1253,6 @@ versioncheck:
1255 -name '*.[hcS]' -type f -print | sort \ 1253 -name '*.[hcS]' -type f -print | sort \
1256 | xargs $(PERL) -w scripts/checkversion.pl 1254 | xargs $(PERL) -w scripts/checkversion.pl
1257 1255
1258buildcheck:
1259 $(PERL) $(srctree)/scripts/reference_discarded.pl
1260 $(PERL) $(srctree)/scripts/reference_init.pl
1261
1262namespacecheck: 1256namespacecheck:
1263 $(PERL) $(srctree)/scripts/namespace.pl 1257 $(PERL) $(srctree)/scripts/namespace.pl
1264 1258
diff --git a/scripts/reference_discarded.pl b/scripts/reference_discarded.pl
deleted file mode 100644
index 4ee6ab2135b3..000000000000
--- a/scripts/reference_discarded.pl
+++ /dev/null
@@ -1,112 +0,0 @@
1#!/usr/bin/perl -w
2#
3# reference_discarded.pl (C) Keith Owens 2001 <kaos@ocs.com.au>
4#
5# Released under GPL V2.
6#
7# List dangling references to vmlinux discarded sections.
8
9use strict;
10die($0 . " takes no arguments\n") if($#ARGV >= 0);
11
12my %object;
13my $object;
14my $line;
15my $ignore;
16my $errorcount;
17
18$| = 1;
19
20# printf("Finding objects, ");
21open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
22while (defined($line = <OBJDUMP_LIST>)) {
23 chomp($line);
24 if ($line =~ /:\s+file format/) {
25 ($object = $line) =~ s/:.*//;
26 $object{$object}->{'module'} = 0;
27 $object{$object}->{'size'} = 0;
28 $object{$object}->{'off'} = 0;
29 }
30 if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
31 $object{$object}->{'module'} = 1;
32 }
33 if ($line =~ /^\s*\d+\s+\.comment\s+/) {
34 ($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
35 }
36}
37close(OBJDUMP_LIST);
38# printf("%d objects, ", scalar keys(%object));
39$ignore = 0;
40foreach $object (keys(%object)) {
41 if ($object{$object}->{'module'}) {
42 ++$ignore;
43 delete($object{$object});
44 }
45}
46# printf("ignoring %d module(s)\n", $ignore);
47
48# Ignore conglomerate objects, they have been built from multiple objects and we
49# only care about the individual objects. If an object has more than one GCC:
50# string in the comment section then it is conglomerate. This does not filter
51# out conglomerates that consist of exactly one object, can't be helped.
52
53# printf("Finding conglomerates, ");
54$ignore = 0;
55foreach $object (keys(%object)) {
56 if (exists($object{$object}->{'off'})) {
57 my ($off, $size, $comment, $l);
58 $off = hex($object{$object}->{'off'});
59 $size = hex($object{$object}->{'size'});
60 open(OBJECT, "<$object") || die "cannot read $object";
61 seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
62 $l = read(OBJECT, $comment, $size);
63 die "read $size bytes from $object .comment failed" if ($l != $size);
64 close(OBJECT);
65 if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
66 ++$ignore;
67 delete($object{$object});
68 }
69 }
70}
71# printf("ignoring %d conglomerate(s)\n", $ignore);
72
73# printf("Scanning objects\n");
74
75# Keith Ownes <kaos@sgi.com> commented:
76# For our future {in}sanity, add a comment that this is the ppc .opd
77# section, not the ia64 .opd section.
78# ia64 .opd should not point to discarded sections.
79$errorcount = 0;
80foreach $object (keys(%object)) {
81 my $from;
82 open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
83 while (defined($line = <OBJDUMP>)) {
84 chomp($line);
85 if ($line =~ /RELOCATION RECORDS FOR /) {
86 ($from = $line) =~ s/.*\[([^]]*).*/$1/;
87 }
88 if (($line =~ /\.text\.exit$/ ||
89 $line =~ /\.exit\.text$/ ||
90 $line =~ /\.data\.exit$/ ||
91 $line =~ /\.exit\.data$/ ||
92 $line =~ /\.exitcall\.exit$/) &&
93 ($from !~ /\.text\.exit$/ &&
94 $from !~ /\.exit\.text$/ &&
95 $from !~ /\.data\.exit$/ &&
96 $from !~ /\.opd$/ &&
97 $from !~ /\.exit\.data$/ &&
98 $from !~ /\.altinstructions$/ &&
99 $from !~ /\.pdr$/ &&
100 $from !~ /\.debug_.*$/ &&
101 $from !~ /\.exitcall\.exit$/ &&
102 $from !~ /\.eh_frame$/ &&
103 $from !~ /\.stab$/)) {
104 printf("Error: %s %s refers to %s\n", $object, $from, $line);
105 $errorcount = $errorcount + 1;
106 }
107 }
108 close(OBJDUMP);
109}
110# printf("Done\n");
111
112exit(0);
diff --git a/scripts/reference_init.pl b/scripts/reference_init.pl
deleted file mode 100644
index 7f6960b175a2..000000000000
--- a/scripts/reference_init.pl
+++ /dev/null
@@ -1,108 +0,0 @@
1#!/usr/bin/perl -w
2#
3# reference_init.pl (C) Keith Owens 2002 <kaos@ocs.com.au>
4#
5# List references to vmlinux init sections from non-init sections.
6
7# Unfortunately I had to exclude references from read only data to .init
8# sections, almost all of these are false positives, they are created by
9# gcc. The downside of excluding rodata is that there really are some
10# user references from rodata to init code, e.g. drivers/video/vgacon.c
11#
12# const struct consw vga_con = {
13# con_startup: vgacon_startup,
14#
15# where vgacon_startup is __init. If you want to wade through the false
16# positives, take out the check for rodata.
17
18use strict;
19die($0 . " takes no arguments\n") if($#ARGV >= 0);
20
21my %object;
22my $object;
23my $line;
24my $ignore;
25
26$| = 1;
27
28printf("Finding objects, ");
29open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
30while (defined($line = <OBJDUMP_LIST>)) {
31 chomp($line);
32 if ($line =~ /:\s+file format/) {
33 ($object = $line) =~ s/:.*//;
34 $object{$object}->{'module'} = 0;
35 $object{$object}->{'size'} = 0;
36 $object{$object}->{'off'} = 0;
37 }
38 if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
39 $object{$object}->{'module'} = 1;
40 }
41 if ($line =~ /^\s*\d+\s+\.comment\s+/) {
42 ($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
43 }
44}
45close(OBJDUMP_LIST);
46printf("%d objects, ", scalar keys(%object));
47$ignore = 0;
48foreach $object (keys(%object)) {
49 if ($object{$object}->{'module'}) {
50 ++$ignore;
51 delete($object{$object});
52 }
53}
54printf("ignoring %d module(s)\n", $ignore);
55
56# Ignore conglomerate objects, they have been built from multiple objects and we
57# only care about the individual objects. If an object has more than one GCC:
58# string in the comment section then it is conglomerate. This does not filter
59# out conglomerates that consist of exactly one object, can't be helped.
60
61printf("Finding conglomerates, ");
62$ignore = 0;
63foreach $object (keys(%object)) {
64 if (exists($object{$object}->{'off'})) {
65 my ($off, $size, $comment, $l);
66 $off = hex($object{$object}->{'off'});
67 $size = hex($object{$object}->{'size'});
68 open(OBJECT, "<$object") || die "cannot read $object";
69 seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
70 $l = read(OBJECT, $comment, $size);
71 die "read $size bytes from $object .comment failed" if ($l != $size);
72 close(OBJECT);
73 if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
74 ++$ignore;
75 delete($object{$object});
76 }
77 }
78}
79printf("ignoring %d conglomerate(s)\n", $ignore);
80
81printf("Scanning objects\n");
82foreach $object (sort(keys(%object))) {
83 my $from;
84 open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
85 while (defined($line = <OBJDUMP>)) {
86 chomp($line);
87 if ($line =~ /RELOCATION RECORDS FOR /) {
88 ($from = $line) =~ s/.*\[([^]]*).*/$1/;
89 }
90 if (($line =~ /\.init$/ || $line =~ /\.init\./) &&
91 ($from !~ /\.init$/ &&
92 $from !~ /\.init\./ &&
93 $from !~ /\.stab$/ &&
94 $from !~ /\.rodata$/ &&
95 $from !~ /\.text\.lock$/ &&
96 $from !~ /\.pci_fixup_header$/ &&
97 $from !~ /\.pci_fixup_final$/ &&
98 $from !~ /\.pdr$/ &&
99 $from !~ /\__param$/ &&
100 $from !~ /\.altinstructions/ &&
101 $from !~ /\.eh_frame/ &&
102 $from !~ /\.debug_/)) {
103 printf("Error: %s %s refers to %s\n", $object, $from, $line);
104 }
105 }
106 close(OBJDUMP);
107}
108printf("Done\n");
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