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msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
This commit is contained in:
Bryan Huntsman
2011-08-16 17:27:22 -07:00
parent f06154cc47
commit 3f2bc4d6eb
1851 changed files with 780136 additions and 12902 deletions
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1
scripts/Makefile.modpost
View File

@@ -80,6 +80,7 @@ modpost = scripts/mod/modpost \
$(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
$(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \
$(if $(CONFIG_NO_ERROR_ON_MISMATCH),,-E) \
$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) \
$(if $(cross_build),-c)

266
scripts/build-all.py Executable file
View File

@@ -0,0 +1,266 @@
#! /usr/bin/env python
# Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Code Aurora nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Build the kernel for all targets using the Android build environment.
#
# TODO: Accept arguments to indicate what to build.
import glob
from optparse import OptionParser
import subprocess
import os
import os.path
import shutil
import sys
version = 'build-all.py, version 0.01'
build_dir = '../all-kernels'
make_command = ["vmlinux", "modules"]
make_env = os.environ
make_env.update({
'ARCH': 'arm',
'CROSS_COMPILE': 'arm-none-linux-gnueabi-',
'KCONFIG_NOTIMESTAMP': 'true' })
all_options = {}
def error(msg):
sys.stderr.write("error: %s\n" % msg)
def fail(msg):
"""Fail with a user-printed message"""
error(msg)
sys.exit(1)
def check_kernel():
"""Ensure that PWD is a kernel directory"""
if (not os.path.isfile('MAINTAINERS') or
not os.path.isfile('arch/arm/mach-msm/Kconfig')):
fail("This doesn't seem to be an MSM kernel dir")
def check_build():
"""Ensure that the build directory is present."""
if not os.path.isdir(build_dir):
try:
os.makedirs(build_dir)
except OSError as exc:
if exc.errno == errno.EEXIST:
pass
else:
raise
def update_config(file, str):
print 'Updating %s with \'%s\'\n' % (file, str)
defconfig = open(file, 'a')
defconfig.write(str + '\n')
defconfig.close()
def scan_configs():
"""Get the full list of defconfigs appropriate for this tree."""
names = {}
for n in glob.glob('arch/arm/configs/msm[0-9]*_defconfig'):
names[os.path.basename(n)[:-10]] = n
for n in glob.glob('arch/arm/configs/qsd*_defconfig'):
names[os.path.basename(n)[:-10]] = n
return names
class Builder:
def __init__(self, logname):
self.logname = logname
self.fd = open(logname, 'w')
def run(self, args):
devnull = open('/dev/null', 'r')
proc = subprocess.Popen(args, stdin=devnull,
env=make_env,
bufsize=0,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
count = 0
# for line in proc.stdout:
rawfd = proc.stdout.fileno()
while True:
line = os.read(rawfd, 1024)
if not line:
break
self.fd.write(line)
self.fd.flush()
if all_options.verbose:
sys.stdout.write(line)
sys.stdout.flush()
else:
for i in range(line.count('\n')):
count += 1
if count == 64:
count = 0
print
sys.stdout.write('.')
sys.stdout.flush()
print
result = proc.wait()
self.fd.close()
return result
failed_targets = []
def build(target):
dest_dir = os.path.join(build_dir, target)
log_name = '%s/log-%s.log' % (build_dir, target)
print 'Building %s in %s log %s' % (target, dest_dir, log_name)
if not os.path.isdir(dest_dir):
os.mkdir(dest_dir)
defconfig = 'arch/arm/configs/%s_defconfig' % target
dotconfig = '%s/.config' % dest_dir
savedefconfig = '%s/defconfig' % dest_dir
shutil.copyfile(defconfig, dotconfig)
devnull = open('/dev/null', 'r')
subprocess.check_call(['make', 'O=%s' % dest_dir,
'%s_defconfig' % target], env=make_env, stdin=devnull)
devnull.close()
if not all_options.updateconfigs:
build = Builder(log_name)
result = build.run(['make', 'O=%s' % dest_dir] + make_command)
if result != 0:
if all_options.keep_going:
failed_targets.append(target)
fail_or_error = error
else:
fail_or_error = fail
fail_or_error("Failed to build %s, see %s" % (target, build.logname))
# Copy the defconfig back.
if all_options.configs or all_options.updateconfigs:
devnull = open('/dev/null', 'r')
subprocess.check_call(['make', 'O=%s' % dest_dir,
'savedefconfig'], env=make_env, stdin=devnull)
devnull.close()
shutil.copyfile(savedefconfig, defconfig)
def build_many(allconf, targets):
print "Building %d target(s)" % len(targets)
for target in targets:
if all_options.updateconfigs:
update_config(allconf[target], all_options.updateconfigs)
build(target)
if failed_targets:
fail('\n '.join(["Failed targets:"] +
[target for target in failed_targets]))
def main():
global make_command
check_kernel()
check_build()
configs = scan_configs()
usage = ("""
%prog [options] all -- Build all targets
%prog [options] target target ... -- List specific targets
%prog [options] perf -- Build all perf targets
%prog [options] noperf -- Build all non-perf targets""")
parser = OptionParser(usage=usage, version=version)
parser.add_option('--configs', action='store_true',
dest='configs',
help="Copy configs back into tree")
parser.add_option('--list', action='store_true',
dest='list',
help='List available targets')
parser.add_option('-v', '--verbose', action='store_true',
dest='verbose',
help='Output to stdout in addition to log file')
parser.add_option('--oldconfig', action='store_true',
dest='oldconfig',
help='Only process "make oldconfig"')
parser.add_option('--updateconfigs',
dest='updateconfigs',
help="Update defconfigs with provided option setting, "
"e.g. --updateconfigs=\'CONFIG_USE_THING=y\'")
parser.add_option('-j', '--jobs', type='int', dest="jobs",
help="Number of simultaneous jobs")
parser.add_option('-l', '--load-average', type='int',
dest='load_average',
help="Don't start multiple jobs unless load is below LOAD_AVERAGE")
parser.add_option('-k', '--keep-going', action='store_true',
dest='keep_going', default=False,
help="Keep building other targets if a target fails")
parser.add_option('-m', '--make-target', action='append',
help='Build the indicated make target (default: %s)' %
' '.join(make_command))
(options, args) = parser.parse_args()
global all_options
all_options = options
if options.list:
print "Available targets:"
for target in configs.keys():
print " %s" % target
sys.exit(0)
if options.oldconfig:
make_command = ["oldconfig"]
elif options.make_target:
make_command = options.make_target
if options.jobs:
make_command.append("-j%d" % options.jobs)
if options.load_average:
make_command.append("-l%d" % options.load_average)
if args == ['all']:
build_many(configs, configs.keys())
elif args == ['perf']:
targets = []
for t in configs.keys():
if "perf" in t:
targets.append(t)
build_many(configs, targets)
elif args == ['noperf']:
targets = []
for t in configs.keys():
if "perf" not in t:
targets.append(t)
build_many(configs, targets)
elif len(args) > 0:
targets = []
for t in args:
if t not in configs.keys():
parser.error("Target '%s' not one of %s" % (t, configs.keys()))
targets.append(t)
build_many(configs, targets)
else:
parser.error("Must specify a target to build, or 'all'")
if __name__ == "__main__":
main()

232
scripts/checkpatch.pl
View File

@@ -7,6 +7,12 @@
use strict;
use constant BEFORE_SHORTTEXT => 0;
use constant IN_SHORTTEXT => 1;
use constant AFTER_SHORTTEXT => 2;
use constant CHECK_NEXT_SHORTTEXT => 3;
use constant SHORTTEXT_LIMIT => 75;
my $P = $0;
$P =~ s@.*/@@g;
@@ -1155,6 +1161,8 @@ sub process {
my $prevrawline="";
my $stashline="";
my $stashrawline="";
my $subjectline="";
my $sublinenr="";
my $length;
my $indent;
@@ -1194,8 +1202,36 @@ sub process {
my @setup_docs = ();
my $setup_docs = 0;
my $in_code_block = 0;
my $exec_file = "";
my $shorttext = BEFORE_SHORTTEXT;
my $shorttext_exspc = 0;
sanitise_line_reset();
my $line;
# Before sanitizing the rawlines, collapse any header-continuation
# lines into a single line so they can be parsed meaningfully.
my $end_of_hdrs = 0;
foreach my $rawline (@rawlines) {
if ($rawline=~/^\s*$/) {
last;
} else {
$end_of_hdrs++;
}
}
my @continuation_hdrs;
foreach my $n (0 .. $end_of_hdrs) {
if ($rawlines[$n]=~/^\s+/) {
push @continuation_hdrs, $n;
}
}
while (my $n = pop @continuation_hdrs) {
$line = splice @rawlines, $n, 1;
$line=~s/^\s+/ /;
$rawlines[$n - 1] .= $line;
}
foreach my $rawline (@rawlines) {
$linenr++;
$line = $rawline;
@@ -1346,15 +1382,84 @@ sub process {
if ($realfile =~ m@^include/asm/@) {
ERROR("do not modify files in include/asm, change architecture specific files in include/asm-<architecture>\n" . "$here$rawline\n");
}
$in_code_block = 1;
next;
}
elsif ($rawline =~ /^diff.+a\/(.+)\sb\/.+$/) {
$exec_file = $1;
$in_code_block = 0;
}
#Check state to make sure we aren't in code block.
elsif (!$in_code_block &&
($exec_file =~ /^.+\.[chS]$/ or
$exec_file =~ /^.+\.txt$/ or
$exec_file =~ /^.+\.ihex$/ or
$exec_file =~ /^.+\.hex$/ or
$exec_file =~ /^.+\.HEX$/ or
$exec_file =~ /^.+defconfig$/ or
$exec_file =~ /^Makefile$/ or
$exec_file =~ /^Kconfig$/) &&
$rawline =~ /^new (file )?mode\s([0-9]+)$/ &&
(oct($2) & 0111)) {
ERROR("Source file has +x permissions: " .
"$exec_file\n");
}
$here .= "FILE: $realfile:$realline:" if ($realcnt != 0);
my $hereline = "$here\n$rawline\n";
my $herecurr = "$here\n$rawline\n";
my $hereprev = "$here\n$prevrawline\n$rawline\n";
if ($shorttext != AFTER_SHORTTEXT) {
if ($shorttext == IN_SHORTTEXT) {
if ($line=~/^---/ || $line=~/^diff.*/) {
$shorttext = AFTER_SHORTTEXT;
} elsif (length($line) > (SHORTTEXT_LIMIT +
$shorttext_exspc)
&& $line !~ /^:([0-7]{6}\s){2}
([[:xdigit:]]+\.*
\s){2}\w+\s\w+/xms) {
WARN("commit text line over " .
SHORTTEXT_LIMIT .
" characters\n" . $herecurr);
}
} elsif ($shorttext == CHECK_NEXT_SHORTTEXT) {
# The Subject line doesn't have to be the last header in the patch.
# Avoid moving to the IN_SHORTTEXT state until clear of all headers.
# Per RFC5322, continuation lines must be folded, so any left-justified
# text which looks like a header is definitely a header.
if ($line!~/^[\x21-\x39\x3b-\x7e]+:/) {
$shorttext = IN_SHORTTEXT;
# Check for Subject line followed by a blank line.
if (length($line) != 0) {
WARN("non-blank line after " .
"summary line\n" .
$sublinenr . $here .
"\n" . $subjectline .
"\n" . $line . "\n");
}
}
} elsif ($line=~/^Subject: \[[^\]]*\] (.*)/) {
$shorttext = CHECK_NEXT_SHORTTEXT;
$subjectline = $line;
$sublinenr = "#$linenr & ";
# Check for Subject line less than line limit
if (length($1) > SHORTTEXT_LIMIT) {
WARN("summary line over " .
SHORTTEXT_LIMIT .
" characters\n" . $herecurr);
}
} elsif ($line=~/^ (.*)/) {
$shorttext = IN_SHORTTEXT;
$shorttext_exspc = 4;
if (length($1) > SHORTTEXT_LIMIT) {
WARN("summary line over " .
SHORTTEXT_LIMIT .
" characters\n" . $herecurr);
}
}
}
$cnt_lines++ if ($realcnt != 0);
# Check for incorrect file permissions
@@ -1377,6 +1482,14 @@ sub process {
WARN("space required after Signed-off-by:\n" .
$herecurr);
}
if ($line =~ /^\s*signed-off-by:.*(quicinc|qualcomm)\.com/i) {
WARN("invalid Signed-off-by identity\n" . $line );
}
}
#check the patch for invalid author credentials
if ($line =~ /^From:.*(quicinc|qualcomm)\.com/) {
WARN("invalid author identity\n" . $line );
}
# Check for wrappage within a valid hunk of the file
@@ -1425,37 +1538,6 @@ sub process {
$rpt_cleaners = 1;
}
# check for Kconfig help text having a real description
# Only applies when adding the entry originally, after that we do not have
# sufficient context to determine whether it is indeed long enough.
if ($realfile =~ /Kconfig/ &&
$line =~ /\+\s*(?:---)?help(?:---)?$/) {
my $length = 0;
my $cnt = $realcnt;
my $ln = $linenr + 1;
my $f;
my $is_end = 0;
while ($cnt > 0 && defined $lines[$ln - 1]) {
$f = $lines[$ln - 1];
$cnt-- if ($lines[$ln - 1] !~ /^-/);
$is_end = $lines[$ln - 1] =~ /^\+/;
$ln++;
next if ($f =~ /^-/);
$f =~ s/^.//;
$f =~ s/#.*//;
$f =~ s/^\s+//;
next if ($f =~ /^$/);
if ($f =~ /^\s*config\s/) {
$is_end = 1;
last;
}
$length++;
}
WARN("please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($is_end && $length < 4);
#print "is_end<$is_end> length<$length>\n";
}
# check we are in a valid source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);
@@ -1464,6 +1546,7 @@ sub process {
$rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
!($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:|,|\)\s*;)\s*$/ ||
$line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
$realfile ne "scripts/checkpatch.pl" &&
$length > 80)
{
WARN("line over 80 characters\n" . $herecurr);
@@ -2245,7 +2328,7 @@ sub process {
# check spacing on parentheses
if ($line =~ /\(\s/ && $line !~ /\(\s*(?:\\)?$/ &&
$line !~ /for\s*\(\s+;/) {
$line !~ /for\s*\(\s+;/ && $line !~ /^\+\s*[A-Z_][A-Z\d_]*\(\s*\d+(\,.*)?\)\,?$/) {
ERROR("space prohibited after that open parenthesis '('\n" . $herecurr);
}
if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ &&
@@ -2439,7 +2522,7 @@ sub process {
if ($realfile !~ m@/vmlinux.lds.h$@ &&
$line =~ /^.\s*\#\s*define\s*$Ident(\()?/) {
my $ln = $linenr;
my $cnt = $realcnt;
my $cnt = $realcnt - 1;
my ($off, $dstat, $dcond, $rest);
my $ctx = '';
@@ -2495,12 +2578,19 @@ sub process {
{
}
# Extremely long macros may fall off the end of the
# available context without closing. Give a dangling
# backslash the benefit of the doubt and allow it
# to gobble any hanging open-parens.
$dstat =~ s/\(.+\\$/1/;
my $exceptions = qr{
$Declare|
module_param_named|
MODULE_PARAM_DESC|
DECLARE_PER_CPU|
DEFINE_PER_CPU|
CLK_[A-Z\d_]+|
__typeof__\(|
union|
struct|
@@ -2659,10 +2749,70 @@ sub process {
WARN("Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
}
# sys_open/read/write/close are not allowed in the kernel
if ($line =~ /\b(sys_(?:open|read|write|close))\b/) {
ERROR("$1 is inappropriate in kernel code.\n" .
$herecurr);
}
# filp_open is a backdoor for sys_open
if ($line =~ /\b(filp_open)\b/) {
ERROR("$1 is inappropriate in kernel code.\n" .
$herecurr);
}
# read[bwl] & write[bwl] use too many barriers, use the _relaxed variants
if ($line =~ /\b((?:read|write)[bwl])\b/) {
ERROR("Use of $1 is deprecated: use $1_relaxed\n\t" .
"with appropriate memory barriers instead.\n" .
$herecurr);
}
# likewise, in/out[bwl] should be __raw_read/write[bwl]...
if ($line =~ /\b((in|out)([bwl]))\b/) {
my ($all, $pref, $suf) = ($1, $2, $3);
$pref =~ s/in/read/;
$pref =~ s/out/write/;
ERROR("Use of $all is deprecated: use " .
"__raw_$pref$suf\n\t" .
"with appropriate memory barriers instead.\n" .
$herecurr);
}
# dsb is too ARMish, and should usually be mb.
if ($line =~ /\bdsb\b/) {
WARN("Use of dsb is discouranged: prefer mb.\n" .
$herecurr);
}
# unbounded string functions are overflow risks
my %str_fns = (
"sprintf" => "snprintf",
"strcpy" => "strncpy",
"strcat" => "strncat",
"strcmp" => "strncmp",
"strcasecmp" => "strncasecmp",
"strchr" => "strnchr",
"strstr" => "strnstr",
"strlen" => "strnlen",
);
foreach my $k (keys %str_fns) {
if ($line =~ /\b$k\b/) {
ERROR("Use of $k is deprecated: " .
"use $str_fns{$k} instead.\n" .
$herecurr);
}
}
# warn about #if 0
if ($line =~ /^.\s*\#\s*if\s+0\b/) {
CHK("if this code is redundant consider removing it\n" .
$herecurr);
WARN("if this code is redundant consider removing it\n"
. $herecurr);
}
# warn about #if 1
if ($line =~ /^.\s*\#\s*if\s+1\b/) {
WARN("if this code is required consider removing"
. " #if 1\n" . $herecurr);
}
# check for needless kfree() checks
@@ -2695,6 +2845,11 @@ sub process {
}
}
# check the patch for use of mdelay
if ($line =~ /\bmdelay\s*\(/) {
WARN("use of mdelay() found: msleep() is the preferred API.\n" . $line );
}
# warn about #ifdefs in C files
# if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
# print "#ifdef in C files should be avoided\n";
@@ -2804,6 +2959,11 @@ sub process {
WARN("Statements terminations use 1 semicolon\n" . $herecurr);
}
# check for return codes on error paths
if ($line =~ /\breturn\s+-\d+/) {
ERROR("illegal return value, please use an error code\n" . $herecurr);
}
# check for gcc specific __FUNCTION__
if ($line =~ /__FUNCTION__/) {
WARN("__func__ should be used instead of gcc specific __FUNCTION__\n" . $herecurr);

117
scripts/gcc-wrapper.py Executable file
View File

@@ -0,0 +1,117 @@
#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2011, Code Aurora Forum. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Code Aurora nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Invoke gcc, looking for warnings, and causing a failure if there are
# non-whitelisted warnings.
import errno
import re
import os
import sys
import subprocess
# Note that gcc uses unicode, which may depend on the locale. TODO:
# force LANG to be set to en_US.UTF-8 to get consistent warnings.
allowed_warnings = set([
"alignment.c:720",
"async.c:122",
"async.c:270",
"dir.c:43",
"dm.c:1053",
"dm.c:1080",
"dm-table.c:1120",
"dm-table.c:1126",
"drm_edid.c:1303",
"eventpoll.c:1143",
"f_mass_storage.c:3368",
"inode.c:72",
"inode.c:73",
"inode.c:74",
"msm_sdcc.c:126",
"msm_sdcc.c:128",
"nf_conntrack_netlink.c:790",
"nf_nat_standalone.c:118",
"return_address.c:62",
"soc-core.c:1719",
"xt_log.h:50",
"vx6953.c:3124",
])
# Capture the name of the object file, can find it.
ofile = None
warning_re = re.compile(r'''(.*/|)([^/]+\.[a-z]+:\d+):(\d+:)? warning:''')
def interpret_warning(line):
"""Decode the message from gcc. The messages we care about have a filename, and a warning"""
line = line.rstrip('\n')
m = warning_re.match(line)
if m and m.group(2) not in allowed_warnings:
print "error, forbidden warning:", m.group(2)
# If there is a warning, remove any object if it exists.
if ofile:
try:
os.remove(ofile)
except OSError:
pass
sys.exit(1)
def run_gcc():
args = sys.argv[1:]
# Look for -o
try:
i = args.index('-o')
global ofile
ofile = args[i+1]
except (ValueError, IndexError):
pass
compiler = sys.argv[0]
try:
proc = subprocess.Popen(args, stderr=subprocess.PIPE)
for line in proc.stderr:
print line,
interpret_warning(line)
result = proc.wait()
except OSError as e:
result = e.errno
if result == errno.ENOENT:
print args[0] + ':',e.strerror
print 'Is your PATH set correctly?'
else:
print ' '.join(args), str(e)
return result
if __name__ == '__main__':
status = run_gcc()
sys.exit(status)

29
scripts/mod/modpost.c
View File

@@ -37,6 +37,8 @@ static int all_versions = 0;
static int external_module = 0;
/* Warn about section mismatch in vmlinux if set to 1 */
static int vmlinux_section_warnings = 1;
/* Exit with an error when there is a section mismatch if set to 1 */
static int section_error_on_mismatch;
/* Only warn about unresolved symbols */
static int warn_unresolved = 0;
/* How a symbol is exported */
@@ -2068,7 +2070,7 @@ int main(int argc, char **argv)
struct ext_sym_list *extsym_iter;
struct ext_sym_list *extsym_start = NULL;
while ((opt = getopt(argc, argv, "i:I:e:cmsSo:awM:K:")) != -1) {
while ((opt = getopt(argc, argv, "i:I:e:cmsSo:awM:K:E")) != -1) {
switch (opt) {
case 'i':
kernel_read = optarg;
@@ -2106,6 +2108,9 @@ int main(int argc, char **argv)
case 'w':
warn_unresolved = 1;
break;
case 'E':
section_error_on_mismatch = 1;
break;
default:
exit(1);
}
@@ -2154,11 +2159,23 @@ int main(int argc, char **argv)
if (dump_write)
write_dump(dump_write);
if (sec_mismatch_count && !sec_mismatch_verbose)
warn("modpost: Found %d section mismatch(es).\n"
"To see full details build your kernel with:\n"
"'make CONFIG_DEBUG_SECTION_MISMATCH=y'\n",
sec_mismatch_count);
if (sec_mismatch_count && !sec_mismatch_verbose) {
merror(
"modpost: Found %d section mismatch(es).\n"
"To see full details build your kernel with:\n"
"'make CONFIG_DEBUG_SECTION_MISMATCH=y'\n",
sec_mismatch_count);
}
if (sec_mismatch_count && section_error_on_mismatch) {
err |= 1;
printf(
"To build the kernel despite the mismatches, "
"build with:\n'make CONFIG_NO_ERROR_ON_MISMATCH=y'\n"
"(NOTE: This is not recommended)\n");
}
return err;
}