diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.ubsan | 5 | ||||
| -rwxr-xr-x | scripts/checkkconfigsymbols.py | 338 | ||||
| -rwxr-xr-x | scripts/kernel-doc | 48 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 2 | ||||
| -rw-r--r-- | scripts/recordmcount.c | 2 | ||||
| -rwxr-xr-x | scripts/recordmcount.pl | 2 | ||||
| -rw-r--r-- | scripts/spelling.txt | 1 | ||||
| -rwxr-xr-x | scripts/tracing/ftrace-bisect.sh | 115 | ||||
| -rwxr-xr-x | scripts/ver_linux | 260 |
9 files changed, 408 insertions, 365 deletions
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index 8ab68679cfb5..dd779c40c8e6 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -3,7 +3,6 @@ ifdef CONFIG_UBSAN CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero) CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable) CFLAGS_UBSAN += $(call cc-option, -fsanitize=vla-bound) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=null) CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow) CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds) CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size) @@ -14,4 +13,8 @@ ifdef CONFIG_UBSAN ifdef CONFIG_UBSAN_ALIGNMENT CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment) endif + +ifdef CONFIG_UBSAN_NULL + CFLAGS_UBSAN += $(call cc-option, -fsanitize=null) +endif endif diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py index df643f60bb41..a32e4da4c117 100755 --- a/scripts/checkkconfigsymbols.py +++ b/scripts/checkkconfigsymbols.py @@ -1,98 +1,99 @@ -#!/usr/bin/env python2 +#!/usr/bin/env python3 """Find Kconfig symbols that are referenced but not defined.""" -# (c) 2014-2015 Valentin Rothberg <valentinrothberg@gmail.com> +# (c) 2014-2016 Valentin Rothberg <valentinrothberg@gmail.com> # (c) 2014 Stefan Hengelein <stefan.hengelein@fau.de> # # Licensed under the terms of the GNU GPL License version 2 +import argparse import difflib import os import re import signal +import subprocess import sys from multiprocessing import Pool, cpu_count -from optparse import OptionParser -from subprocess import Popen, PIPE, STDOUT # regex expressions OPERATORS = r"&|\(|\)|\||\!" -FEATURE = r"(?:\w*[A-Z0-9]\w*){2,}" -DEF = r"^\s*(?:menu){,1}config\s+(" + FEATURE + r")\s*" -EXPR = r"(?:" + OPERATORS + r"|\s|" + FEATURE + r")+" +SYMBOL = r"(?:\w*[A-Z0-9]\w*){2,}" +DEF = r"^\s*(?:menu){,1}config\s+(" + SYMBOL + r")\s*" +EXPR = r"(?:" + OPERATORS + r"|\s|" + SYMBOL + r")+" DEFAULT = r"default\s+.*?(?:if\s.+){,1}" STMT = r"^\s*(?:if|select|depends\s+on|(?:" + DEFAULT + r"))\s+" + EXPR -SOURCE_FEATURE = r"(?:\W|\b)+[D]{,1}CONFIG_(" + FEATURE + r")" +SOURCE_SYMBOL = r"(?:\W|\b)+[D]{,1}CONFIG_(" + SYMBOL + r")" # regex objects REGEX_FILE_KCONFIG = re.compile(r".*Kconfig[\.\w+\-]*$") -REGEX_FEATURE = re.compile(r'(?!\B)' + FEATURE + r'(?!\B)') -REGEX_SOURCE_FEATURE = re.compile(SOURCE_FEATURE) +REGEX_SYMBOL = re.compile(r'(?!\B)' + SYMBOL + r'(?!\B)') +REGEX_SOURCE_SYMBOL = re.compile(SOURCE_SYMBOL) REGEX_KCONFIG_DEF = re.compile(DEF) REGEX_KCONFIG_EXPR = re.compile(EXPR) REGEX_KCONFIG_STMT = re.compile(STMT) REGEX_KCONFIG_HELP = re.compile(r"^\s+(help|---help---)\s*$") -REGEX_FILTER_FEATURES = re.compile(r"[A-Za-z0-9]$") +REGEX_FILTER_SYMBOLS = re.compile(r"[A-Za-z0-9]$") REGEX_NUMERIC = re.compile(r"0[xX][0-9a-fA-F]+|[0-9]+") REGEX_QUOTES = re.compile("(\"(.*?)\")") def parse_options(): """The user interface of this module.""" - usage = "%prog [options]\n\n" \ - "Run this tool to detect Kconfig symbols that are referenced but " \ - "not defined in\nKconfig. The output of this tool has the " \ - "format \'Undefined symbol\\tFile list\'\n\n" \ - "If no option is specified, %prog will default to check your\n" \ - "current tree. Please note that specifying commits will " \ - "\'git reset --hard\'\nyour current tree! You may save " \ - "uncommitted changes to avoid losing data." - - parser = OptionParser(usage=usage) - - parser.add_option('-c', '--commit', dest='commit', action='store', - default="", - help="Check if the specified commit (hash) introduces " - "undefined Kconfig symbols.") - - parser.add_option('-d', '--diff', dest='diff', action='store', - default="", - help="Diff undefined symbols between two commits. The " - "input format bases on Git log's " - "\'commmit1..commit2\'.") - - parser.add_option('-f', '--find', dest='find', action='store_true', - default=False, - help="Find and show commits that may cause symbols to be " - "missing. Required to run with --diff.") - - parser.add_option('-i', '--ignore', dest='ignore', action='store', - default="", - help="Ignore files matching this pattern. Note that " - "the pattern needs to be a Python regex. To " - "ignore defconfigs, specify -i '.*defconfig'.") - - parser.add_option('-s', '--sim', dest='sim', action='store', default="", - help="Print a list of maximum 10 string-similar symbols.") - - parser.add_option('', '--force', dest='force', action='store_true', - default=False, - help="Reset current Git tree even when it's dirty.") - - (opts, _) = parser.parse_args() - - if opts.commit and opts.diff: + usage = "Run this tool to detect Kconfig symbols that are referenced but " \ + "not defined in Kconfig. If no option is specified, " \ + "checkkconfigsymbols defaults to check your current tree. " \ + "Please note that specifying commits will 'git reset --hard\' " \ + "your current tree! You may save uncommitted changes to avoid " \ + "losing data." + + parser = argparse.ArgumentParser(description=usage) + + parser.add_argument('-c', '--commit', dest='commit', action='store', + default="", + help="check if the specified commit (hash) introduces " + "undefined Kconfig symbols") + + parser.add_argument('-d', '--diff', dest='diff', action='store', + default="", + help="diff undefined symbols between two commits " + "(e.g., -d commmit1..commit2)") + + parser.add_argument('-f', '--find', dest='find', action='store_true', + default=False, + help="find and show commits that may cause symbols to be " + "missing (required to run with --diff)") + + parser.add_argument('-i', '--ignore', dest='ignore', action='store', + default="", + help="ignore files matching this Python regex " + "(e.g., -i '.*defconfig')") + + parser.add_argument('-s', '--sim', dest='sim', action='store', default="", + help="print a list of max. 10 string-similar symbols") + + parser.add_argument('--force', dest='force', action='store_true', + default=False, + help="reset current Git tree even when it's dirty") + + parser.add_argument('--no-color', dest='color', action='store_false', + default=True, + help="don't print colored output (default when not " + "outputting to a terminal)") + + args = parser.parse_args() + + if args.commit and args.diff: sys.exit("Please specify only one option at once.") - if opts.diff and not re.match(r"^[\w\-\.]+\.\.[\w\-\.]+$", opts.diff): + if args.diff and not re.match(r"^[\w\-\.]+\.\.[\w\-\.]+$", args.diff): sys.exit("Please specify valid input in the following format: " "\'commit1..commit2\'") - if opts.commit or opts.diff: - if not opts.force and tree_is_dirty(): + if args.commit or args.diff: + if not args.force and tree_is_dirty(): sys.exit("The current Git tree is dirty (see 'git status'). " "Running this script may\ndelete important data since it " "calls 'git reset --hard' for some performance\nreasons. " @@ -100,138 +101,148 @@ def parse_options(): "'--force' if you\nwant to ignore this warning and " "continue.") - if opts.commit: - opts.find = False + if args.commit: + args.find = False - if opts.ignore: + if args.ignore: try: - re.match(opts.ignore, "this/is/just/a/test.c") + re.match(args.ignore, "this/is/just/a/test.c") except: sys.exit("Please specify a valid Python regex.") - return opts + return args def main(): """Main function of this module.""" - opts = parse_options() + args = parse_options() - if opts.sim and not opts.commit and not opts.diff: - sims = find_sims(opts.sim, opts.ignore) + global COLOR + COLOR = args.color and sys.stdout.isatty() + + if args.sim and not args.commit and not args.diff: + sims = find_sims(args.sim, args.ignore) if sims: - print "%s: %s" % (yel("Similar symbols"), ', '.join(sims)) + print("%s: %s" % (yel("Similar symbols"), ', '.join(sims))) else: - print "%s: no similar symbols found" % yel("Similar symbols") + print("%s: no similar symbols found" % yel("Similar symbols")) sys.exit(0) # dictionary of (un)defined symbols defined = {} undefined = {} - if opts.commit or opts.diff: + if args.commit or args.diff: head = get_head() # get commit range commit_a = None commit_b = None - if opts.commit: - commit_a = opts.commit + "~" - commit_b = opts.commit - elif opts.diff: - split = opts.diff.split("..") + if args.commit: + commit_a = args.commit + "~" + commit_b = args.commit + elif args.diff: + split = args.diff.split("..") commit_a = split[0] commit_b = split[1] undefined_a = {} undefined_b = {} # get undefined items before the commit - execute("git reset --hard %s" % commit_a) - undefined_a, _ = check_symbols(opts.ignore) + reset(commit_a) + undefined_a, _ = check_symbols(args.ignore) # get undefined items for the commit - execute("git reset --hard %s" % commit_b) - undefined_b, defined = check_symbols(opts.ignore) + reset(commit_b) + undefined_b, defined = check_symbols(args.ignore) # report cases that are present for the commit but not before - for feature in sorted(undefined_b): - # feature has not been undefined before - if not feature in undefined_a: - files = sorted(undefined_b.get(feature)) - undefined[feature] = files - # check if there are new files that reference the undefined feature + for symbol in sorted(undefined_b): + # symbol has not been undefined before + if symbol not in undefined_a: + files = sorted(undefined_b.get(symbol)) + undefined[symbol] = files + # check if there are new files that reference the undefined symbol else: - files = sorted(undefined_b.get(feature) - - undefined_a.get(feature)) + files = sorted(undefined_b.get(symbol) - + undefined_a.get(symbol)) if files: - undefined[feature] = files + undefined[symbol] = files # reset to head - execute("git reset --hard %s" % head) + reset(head) # default to check the entire tree else: - undefined, defined = check_symbols(opts.ignore) + undefined, defined = check_symbols(args.ignore) # now print the output - for feature in sorted(undefined): - print red(feature) + for symbol in sorted(undefined): + print(red(symbol)) - files = sorted(undefined.get(feature)) - print "%s: %s" % (yel("Referencing files"), ", ".join(files)) + files = sorted(undefined.get(symbol)) + print("%s: %s" % (yel("Referencing files"), ", ".join(files))) - sims = find_sims(feature, opts.ignore, defined) + sims = find_sims(symbol, args.ignore, defined) sims_out = yel("Similar symbols") if sims: - print "%s: %s" % (sims_out, ', '.join(sims)) + print("%s: %s" % (sims_out, ', '.join(sims))) else: - print "%s: %s" % (sims_out, "no similar symbols found") + print("%s: %s" % (sims_out, "no similar symbols found")) - if opts.find: - print "%s:" % yel("Commits changing symbol") - commits = find_commits(feature, opts.diff) + if args.find: + print("%s:" % yel("Commits changing symbol")) + commits = find_commits(symbol, args.diff) if commits: for commit in commits: commit = commit.split(" ", 1) - print "\t- %s (\"%s\")" % (yel(commit[0]), commit[1]) + print("\t- %s (\"%s\")" % (yel(commit[0]), commit[1])) else: - print "\t- no commit found" - print # new line + print("\t- no commit found") + print() # new line + + +def reset(commit): + """Reset current git tree to %commit.""" + execute(["git", "reset", "--hard", commit]) def yel(string): """ Color %string yellow. """ - return "\033[33m%s\033[0m" % string + return "\033[33m%s\033[0m" % string if COLOR else string def red(string): """ Color %string red. """ - return "\033[31m%s\033[0m" % string + return "\033[31m%s\033[0m" % string if COLOR else string def execute(cmd): """Execute %cmd and return stdout. Exit in case of error.""" - pop = Popen(cmd, stdout=PIPE, stderr=STDOUT, shell=True) - (stdout, _) = pop.communicate() # wait until finished - if pop.returncode != 0: - sys.exit(stdout) + try: + stdout = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=False) + stdout = stdout.decode(errors='replace') + except subprocess.CalledProcessError as fail: + exit(fail) return stdout def find_commits(symbol, diff): """Find commits changing %symbol in the given range of %diff.""" - commits = execute("git log --pretty=oneline --abbrev-commit -G %s %s" - % (symbol, diff)) + commits = execute(["git", "log", "--pretty=oneline", + "--abbrev-commit", "-G", + symbol, diff]) return [x for x in commits.split("\n") if x] def tree_is_dirty(): """Return true if the current working tree is dirty (i.e., if any file has been added, deleted, modified, renamed or copied but not committed).""" - stdout = execute("git status --porcelain") + stdout = execute(["git", "status", "--porcelain"]) for line in stdout: if re.findall(r"[URMADC]{1}", line[:2]): return True @@ -240,13 +251,13 @@ def tree_is_dirty(): def get_head(): """Return commit hash of current HEAD.""" - stdout = execute("git rev-parse HEAD") + stdout = execute(["git", "rev-parse", "HEAD"]) return stdout.strip('\n') def partition(lst, size): """Partition list @lst into eveni-sized lists of size @size.""" - return [lst[i::size] for i in xrange(size)] + return [lst[i::size] for i in range(size)] def init_worker(): @@ -254,7 +265,7 @@ def init_worker(): signal.signal(signal.SIGINT, signal.SIG_IGN) -def find_sims(symbol, ignore, defined = []): +def find_sims(symbol, ignore, defined=[]): """Return a list of max. ten Kconfig symbols that are string-similar to @symbol.""" if defined: @@ -279,7 +290,7 @@ def find_sims(symbol, ignore, defined = []): def get_files(): """Return a list of all files in the current git directory.""" # use 'git ls-files' to get the worklist - stdout = execute("git ls-files") + stdout = execute(["git", "ls-files"]) if len(stdout) > 0 and stdout[-1] == "\n": stdout = stdout[:-1] @@ -311,8 +322,8 @@ def check_symbols_helper(pool, ignore): check_symbols() in order to properly terminate running worker processes.""" source_files = [] kconfig_files = [] - defined_features = [] - referenced_features = dict() # {file: [features]} + defined_symbols = [] + referenced_symbols = dict() # {file: [symbols]} for gitfile in get_files(): if REGEX_FILE_KCONFIG.match(gitfile): @@ -326,76 +337,75 @@ def check_symbols_helper(pool, ignore): # parse source files arglist = partition(source_files, cpu_count()) for res in pool.map(parse_source_files, arglist): - referenced_features.update(res) - + referenced_symbols.update(res) # parse kconfig files arglist = [] for part in partition(kconfig_files, cpu_count()): arglist.append((part, ignore)) for res in pool.map(parse_kconfig_files, arglist): - defined_features.extend(res[0]) - referenced_features.update(res[1]) - defined_features = set(defined_features) + defined_symbols.extend(res[0]) + referenced_symbols.update(res[1]) + defined_symbols = set(defined_symbols) - # inverse mapping of referenced_features to dict(feature: [files]) + # inverse mapping of referenced_symbols to dict(symbol: [files]) inv_map = dict() - for _file, features in referenced_features.iteritems(): - for feature in features: - inv_map[feature] = inv_map.get(feature, set()) - inv_map[feature].add(_file) - referenced_features = inv_map - - undefined = {} # {feature: [files]} - for feature in sorted(referenced_features): + for _file, symbols in referenced_symbols.items(): + for symbol in symbols: + inv_map[symbol] = inv_map.get(symbol, set()) + inv_map[symbol].add(_file) + referenced_symbols = inv_map + + undefined = {} # {symbol: [files]} + for symbol in sorted(referenced_symbols): # filter some false positives - if feature == "FOO" or feature == "BAR" or \ - feature == "FOO_BAR" or feature == "XXX": + if symbol == "FOO" or symbol == "BAR" or \ + symbol == "FOO_BAR" or symbol == "XXX": continue - if feature not in defined_features: - if feature.endswith("_MODULE"): + if symbol not in defined_symbols: + if symbol.endswith("_MODULE"): # avoid false positives for kernel modules - if feature[:-len("_MODULE")] in defined_features: + if symbol[:-len("_MODULE")] in defined_symbols: continue - undefined[feature] = referenced_features.get(feature) - return undefined, defined_features + undefined[symbol] = referenced_symbols.get(symbol) + return undefined, defined_symbols def parse_source_files(source_files): """Parse each source file in @source_files and return dictionary with source files as keys and lists of references Kconfig symbols as values.""" - referenced_features = dict() + referenced_symbols = dict() for sfile in source_files: - referenced_features[sfile] = parse_source_file(sfile) - return referenced_features + referenced_symbols[sfile] = parse_source_file(sfile) + return referenced_symbols def parse_source_file(sfile): - """Parse @sfile and return a list of referenced Kconfig features.""" + """Parse @sfile and return a list of referenced Kconfig symbols.""" lines = [] references = [] if not os.path.exists(sfile): return references - with open(sfile, "r") as stream: + with open(sfile, "r", encoding='utf-8', errors='replace') as stream: lines = stream.readlines() for line in lines: - if not "CONFIG_" in line: + if "CONFIG_" not in line: continue - features = REGEX_SOURCE_FEATURE.findall(line) - for feature in features: - if not REGEX_FILTER_FEATURES.search(feature): + symbols = REGEX_SOURCE_SYMBOL.findall(line) + for symbol in symbols: + if not REGEX_FILTER_SYMBOLS.search(symbol): continue - references.append(feature) + references.append(symbol) return references -def get_features_in_line(line): - """Return mentioned Kconfig features in @line.""" - return REGEX_FEATURE.findall(line) +def get_symbols_in_line(line): + """Return mentioned Kconfig symbols in @line.""" + return REGEX_SYMBOL.findall(line) def parse_kconfig_files(args): @@ -404,21 +414,21 @@ def parse_kconfig_files(args): pattern.""" kconfig_files = args[0] ignore = args[1] - defined_features = [] - referenced_features = dict() + defined_symbols = [] + referenced_symbols = dict() for kfile in kconfig_files: defined, references = parse_kconfig_file(kfile) - defined_features.extend(defined) + defined_symbols.extend(defined) if ignore and re.match(ignore, kfile): # do not collect references for files that match the ignore pattern continue - referenced_features[kfile] = references - return (defined_features, referenced_features) + referenced_symbols[kfile] = references + return (defined_symbols, referenced_symbols) def parse_kconfig_file(kfile): - """Parse @kfile and update feature definitions and references.""" + """Parse @kfile and update symbol definitions and references.""" lines = [] defined = [] references = [] @@ -427,7 +437,7 @@ def parse_kconfig_file(kfile): if not os.path.exists(kfile): return defined, references - with open(kfile, "r") as stream: + with open(kfile, "r", encoding='utf-8', errors='replace') as stream: lines = stream.readlines() for i in range(len(lines)): @@ -436,8 +446,8 @@ def parse_kconfig_file(kfile): line = line.split("#")[0] # ignore comments if REGEX_KCONFIG_DEF.match(line): - feature_def = REGEX_KCONFIG_DEF.findall(line) - defined.append(feature_def[0]) + symbol_def = REGEX_KCONFIG_DEF.findall(line) + defined.append(symbol_def[0]) skip = False elif REGEX_KCONFIG_HELP.match(line): skip = True @@ -446,18 +456,18 @@ def parse_kconfig_file(kfile): pass elif REGEX_KCONFIG_STMT.match(line): line = REGEX_QUOTES.sub("", line) - features = get_features_in_line(line) + symbols = get_symbols_in_line(line) # multi-line statements while line.endswith("\\"): i += 1 line = lines[i] line = line.strip('\n') - features.extend(get_features_in_line(line)) - for feature in set(features): - if REGEX_NUMERIC.match(feature): + symbols.extend(get_symbols_in_line(line)) + for symbol in set(symbols): + if REGEX_NUMERIC.match(symbol): # ignore numeric values continue - references.append(feature) + references.append(symbol) return defined, references diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 4f2e9049e8fa..93721f3c91bf 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -212,6 +212,7 @@ my $anon_struct_union = 0; my $type_constant = '\%([-_\w]+)'; my $type_func = '(\w+)\(\)'; my $type_param = '\@(\w+)'; +my $type_fp_param = '\@(\w+)\(\)'; # Special RST handling for func ptr params my $type_struct = '\&((struct\s*)*[_\w]+)'; my $type_struct_xml = '\\&((struct\s*)*[_\w]+)'; my $type_env = '(\$\w+)'; @@ -292,6 +293,7 @@ my @highlights_rst = ( # Note: need to escape () to avoid func matching later [$type_member_func, "\\:c\\:type\\:`\$1\$2\\\\(\\\\) <\$1>`"], [$type_member, "\\:c\\:type\\:`\$1\$2 <\$1>`"], + [$type_fp_param, "**\$1\\\\(\\\\)**"], [$type_func, "\\:c\\:func\\:`\$1()`"], [$type_struct_full, "\\:c\\:type\\:`\$1 \$2 <\$2>`"], [$type_enum_full, "\\:c\\:type\\:`\$1 \$2 <\$2>`"], @@ -412,7 +414,7 @@ my $doc_com_body = '\s*\* ?'; my $doc_decl = $doc_com . '(\w+)'; # @params and a strictly limited set of supported section names my $doc_sect = $doc_com . - '\s*(\@\w+|description|context|returns?|notes?|examples?)\s*:(.*)'; + '\s*(\@[.\w]+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:(.*)'; my $doc_content = $doc_com_body . '(.*)'; my $doc_block = $doc_com . 'DOC:\s*(.*)?'; my $doc_inline_start = '^\s*/\*\*\s*$'; @@ -1831,13 +1833,22 @@ sub output_function_rst(%) { my %args = %{$_[0]}; my ($parameter, $section); my $oldprefix = $lineprefix; - my $start; - - print ".. c:function:: "; + my $start = ""; + + if ($args{'typedef'}) { + print ".. c:type:: ". $args{'function'} . "\n\n"; + print_lineno($declaration_start_line); + print " **Typedef**: "; + $lineprefix = ""; + output_highlight_rst($args{'purpose'}); + $start = "\n\n**Syntax**\n\n ``"; + } else { + print ".. c:function:: "; + } if ($args{'functiontype'} ne "") { - $start = $args{'functiontype'} . " " . $args{'function'} . " ("; + $start .= $args{'functiontype'} . " " . $args{'function'} . " ("; } else { - $start = $args{'function'} . " ("; + $start .= $args{'function'} . " ("; } print $start; @@ -1849,9 +1860,6 @@ sub output_function_rst(%) { $count++; $type = $args{'parametertypes'}{$parameter}; - # RST doesn't like address_space tags at function prototypes - $type =~ s/__(user|kernel|iomem|percpu|pmem|rcu)\s*//; - if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { # pointer-to-function print $1 . $parameter . ") (" . $2; @@ -1859,11 +1867,15 @@ sub output_function_rst(%) { print $type . " " . $parameter; } } - print ")\n\n"; - print_lineno($declaration_start_line); - $lineprefix = " "; - output_highlight_rst($args{'purpose'}); - print "\n"; + if ($args{'typedef'}) { + print ");``\n\n"; + } else { + print ")\n\n"; + print_lineno($declaration_start_line); + $lineprefix = " "; + output_highlight_rst($args{'purpose'}); + print "\n"; + } print "**Parameters**\n\n"; $lineprefix = " "; @@ -2003,7 +2015,7 @@ sub output_struct_rst(%) { ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; $type = $args{'parametertypes'}{$parameter}; print_lineno($parameterdesc_start_lines{$parameter_name}); - print "``$type $parameter``\n"; + print "``" . $parameter . "``\n"; output_highlight_rst($args{'parameterdescs'}{$parameter_name}); print "\n"; } @@ -2193,7 +2205,9 @@ sub dump_typedef($$) { $x =~ s@/\*.*?\*/@@gos; # strip comments. # Parse function prototypes - if ($x =~ /typedef\s+(\w+)\s*\(\*\s*(\w\S+)\s*\)\s*\((.*)\);/) { + if ($x =~ /typedef\s+(\w+)\s*\(\*\s*(\w\S+)\s*\)\s*\((.*)\);/ || + $x =~ /typedef\s+(\w+)\s*(\w\S+)\s*\s*\((.*)\);/) { + # Function typedefs $return_type = $1; $declaration_name = $2; @@ -2204,6 +2218,7 @@ sub dump_typedef($$) { output_declaration($declaration_name, 'function', {'function' => $declaration_name, + 'typedef' => 1, 'module' => $modulename, 'functiontype' => $return_type, 'parameterlist' => \@parameterlist, @@ -2338,6 +2353,7 @@ sub push_parameter($$$) { if ($type eq "" && $param =~ /\.\.\.$/) { + $param = "..."; if (!defined $parameterdescs{$param} || $parameterdescs{$param} eq "") { $parameterdescs{$param} = "variable arguments"; } diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 48958d3cec9e..bd8349759095 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -888,7 +888,7 @@ static void check_section(const char *modname, struct elf_info *elf, #define DATA_SECTIONS ".data", ".data.rel" #define TEXT_SECTIONS ".text", ".text.unlikely", ".sched.text", \ - ".kprobes.text" + ".kprobes.text", ".cpuidle.text" #define OTHER_TEXT_SECTIONS ".ref.text", ".head.text", ".spinlock.text", \ ".fixup", ".entry.text", ".exception.text", ".text.*", \ ".coldtext" diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index 42396a74405d..5423a58d1b06 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -363,7 +363,9 @@ is_mcounted_section_name(char const *const txtname) strcmp(".sched.text", txtname) == 0 || strcmp(".spinlock.text", txtname) == 0 || strcmp(".irqentry.text", txtname) == 0 || + strcmp(".softirqentry.text", txtname) == 0 || strcmp(".kprobes.text", txtname) == 0 || + strcmp(".cpuidle.text", txtname) == 0 || strcmp(".text.unlikely", txtname) == 0; } diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 96e2486a6fc4..faac4b10d8ea 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -134,7 +134,9 @@ my %text_sections = ( ".sched.text" => 1, ".spinlock.text" => 1, ".irqentry.text" => 1, + ".softirqentry.text" => 1, ".kprobes.text" => 1, + ".cpuidle.text" => 1, ".text.unlikely" => 1, ); diff --git a/scripts/spelling.txt b/scripts/spelling.txt index fa79c6d2a5b8..163c720d3f2b 100644 --- a/scripts/spelling.txt +++ b/scripts/spelling.txt @@ -629,7 +629,6 @@ mispelt||misspelt miximum||maximum mmnemonic||mnemonic mnay||many -modeled||modelled modulues||modules monochorome||monochrome monochromo||monochrome diff --git a/scripts/tracing/ftrace-bisect.sh b/scripts/tracing/ftrace-bisect.sh new file mode 100755 index 000000000000..9ff8ac5fc53c --- /dev/null +++ b/scripts/tracing/ftrace-bisect.sh @@ -0,0 +1,115 @@ +#!/bin/bash +# +# Here's how to use this: +# +# This script is used to help find functions that are being traced by function +# tracer or function graph tracing that causes the machine to reboot, hang, or +# crash. Here's the steps to take. +# +# First, determine if function tracing is working with a single function: +# +# (note, if this is a problem with function_graph tracing, then simply +# replace "function" with "function_graph" in the following steps). +# +# # cd /sys/kernel/debug/tracing +# # echo schedule > set_ftrace_filter +# # echo function > current_tracer +# +# If this works, then we know that something is being traced that shouldn't be. +# +# # echo nop > current_tracer +# +# # cat available_filter_functions > ~/full-file +# # ftrace-bisect ~/full-file ~/test-file ~/non-test-file +# # cat ~/test-file > set_ftrace_filter +# +# *** Note *** this will take several minutes. Setting multiple functions is +# an O(n^2) operation, and we are dealing with thousands of functions. So go +# have coffee, talk with your coworkers, read facebook. And eventually, this +# operation will end. +# +# # echo function > current_tracer +# +# If it crashes, we know that ~/test-file has a bad function. +# +# Reboot back to test kernel. +# +# # cd /sys/kernel/debug/tracing +# # mv ~/test-file ~/full-file +# +# If it didn't crash. +# +# # echo nop > current_tracer +# # mv ~/non-test-file ~/full-file +# +# Get rid of the other test file from previous run (or save them off somewhere). +# # rm -f ~/test-file ~/non-test-file +# +# And start again: +# +# # ftrace-bisect ~/full-file ~/test-file ~/non-test-file +# +# The good thing is, because this cuts the number of functions in ~/test-file +# by half, the cat of it into set_ftrace_filter takes half as long each +# iteration, so don't talk so much at the water cooler the second time. +# +# Eventually, if you did this correctly, you will get down to the problem +# function, and all we need to do is to notrace it. +# +# The way to figure out if the problem function is bad, just do: +# +# # echo <problem-function> > set_ftrace_notrace +# # echo > set_ftrace_filter +# # echo function > current_tracer +# +# And if it doesn't crash, we are done. +# +# If it does crash, do this again (there's more than one problem function) +# but you need to echo the problem function(s) into set_ftrace_notrace before +# enabling function tracing in the above steps. Or if you can compile the +# kernel, annotate the problem functions with "notrace" and start again. +# + + +if [ $# -ne 3 ]; then + echo 'usage: ftrace-bisect full-file test-file non-test-file' + exit +fi + +full=$1 +test=$2 +nontest=$3 + +x=`cat $full | wc -l` +if [ $x -eq 1 ]; then + echo "There's only one function left, must be the bad one" + cat $full + exit 0 +fi + +let x=$x/2 +let y=$x+1 + +if [ ! -f $full ]; then + echo "$full does not exist" + exit 1 +fi + +if [ -f $test ]; then + echo -n "$test exists, delete it? [y/N]" + read a + if [ "$a" != "y" -a "$a" != "Y" ]; then + exit 1 + fi +fi + +if [ -f $nontest ]; then + echo -n "$nontest exists, delete it? [y/N]" + read a + if [ "$a" != "y" -a "$a" != "Y" ]; then + exit 1 + fi +fi + +sed -ne "1,${x}p" $full > $test +sed -ne "$y,\$p" $full > $nontest diff --git a/scripts/ver_linux b/scripts/ver_linux index 0d8bd29b1bd6..430b201f3e25 100755 --- a/scripts/ver_linux +++ b/scripts/ver_linux @@ -1,193 +1,89 @@ -#!/bin/sh +#!/bin/awk -f # Before running this script please ensure that your PATH is # typical as you use for compilation/installation. I use # /bin /sbin /usr/bin /usr/sbin /usr/local/bin, but it may # differ on your system. -# -echo 'If some fields are empty or look unusual you may have an old version.' -echo 'Compare to the current minimal requirements in Documentation/Changes.' -echo ' ' -uname -a -echo ' ' - -gcc -dumpversion 2>&1 | -awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("GNU C\t\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -make --version 2>&1 | -awk '/GNU Make/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("GNU Make\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -ld -v 2>&1 | -awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Binutils\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -mount --version 2>&1 | -awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - $0 = substr($0,RSTART,RLENGTH) - printf("Util-linux\t\t%s\nMount\t\t\t%s\n",$0,$0) -}' - -depmod -V 2>&1 | -awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Module-init-tools\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -tune2fs 2>&1 | -awk '/^tune2fs/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("E2fsprogs\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -fsck.jfs -V 2>&1 | -awk '/version/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Jfsutils\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -reiserfsck -V 2>&1 | -awk '/^reiserfsck/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Reiserfsprogs\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -fsck.reiser4 -V 2>&1 | grep ^fsck.reiser4 | awk \ -'NR==1{print "reiser4progs ", $2}' - -xfs_db -V 2>&1 | -awk '/version/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Xfsprogs\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -pccardctl -V 2>&1 | -awk '/pcmciautils/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Pcmciautils\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -cardmgr -V 2>&1| grep version | awk \ -'NR==1{print "pcmcia-cs ", $3}' - -quota -V 2>&1 | -awk '/version/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Quota-tools\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -pppd --version 2>&1 | -awk '/version/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("PPP\t\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -isdnctrl 2>&1 | grep version | awk \ -'NR==1{print "isdn4k-utils ", $NF}' - -showmount --version 2>&1 | grep nfs-utils | awk \ -'NR==1{print "nfs-utils ", $NF}' - -test -r /proc/self/maps && -sed ' - /.*libc-\(.*\)\.so$/!d - s//Linux C Library\t\t\1/ - q -' /proc/self/maps - -ldd --version 2>&1 | -awk '/^ldd/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Dynamic linker (ldd)\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -libcpp=`ldconfig -p 2>/dev/null | - awk '/(libg|stdc)[+]+\.so/ { - print $NF - exit +BEGIN { + usage = "If some fields are empty or look unusual you may have an old version.\n" + usage = usage "Compare to the current minimal requirements in Documentation/Changes.\n" + print usage + + system("uname -a") + printf("\n") + + printversion("GNU C", version("gcc -dumpversion 2>&1")) + printversion("GNU Make", version("make --version 2>&1")) + printversion("Binutils", version("ld -v 2>&1")) + printversion("Util-linux", version("mount --version 2>&1")) + printversion("Mount", version("mount --version 2>&1")) + printversion("Module-init-tools", version("depmod -V 2>&1")) + printversion("E2fsprogs", version("tune2fs 2>&1")) + printversion("Jfsutils", version("fsck.jfs -V 2>&1")) + printversion("Reiserfsprogs", version("reiserfsck -V 2>&1")) + printversion("Reiser4fsprogs", version("fsck.reiser4 -V 2>&1")) + printversion("Xfsprogs", version("xfs_db -V 2>&1")) + printversion("Pcmciautils", version("pccardctl -V 2>&1")) + printversion("Pcmcia-cs", version("cardmgr -V 2>&1")) + printversion("Quota-tools", version("quota -V 2>&1")) + printversion("PPP", version("pppd --version 2>&1")) + printversion("Isdn4k-utils", version("isdnctrl 2>&1")) + printversion("Nfs-utils", version("showmount --version 2>&1")) + + if (system("test -r /proc/self/maps") == 0) { + while (getline <"/proc/self/maps" > 0) { + n = split($0, procmaps, "/") + if (/libc.*so$/ && match(procmaps[n], /[0-9]+([.]?[0-9]+)+/)) { + ver = substr(procmaps[n], RSTART, RLENGTH) + printversion("Linux C Library", ver) + break + } + } } -'` -test -r "$libcpp" && -ls -l $libcpp | -sed ' - s!.*so\.!! - s!^!Linux C++ Library\t! -' -ps --version 2>&1 | -awk '/version/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Procps\t\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -ifconfig --version 2>&1 | -awk '/tools/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Net-tools\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -loadkeys -V 2>&1 | -awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - $0 = substr($0,RSTART,RLENGTH) - printf("Kbd\t\t\t%s\nConsole-tools\t\t%s\n",$0,$0) -}' -oprofiled --version 2>&1 | awk \ -'(NR==1 && ($2 == "oprofile")) {print "oprofile ", $3}' + printversion("Dynamic linker (ldd)", version("ldd --version 2>&1")) -expr --v 2>&1 | -awk '/^expr/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Sh-utils\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' - -udevadm --version 2>&1 | -awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Udev\t\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' + while ("ldconfig -p 2>/dev/null" | getline > 0) { + if (/(libg|stdc)[+]+\.so/) { + libcpp = $NF + break + } + } + if (system("test -r " libcpp) == 0) + printversion("Linux C++ Library", version("readlink " libcpp)) + + printversion("Procps", version("ps --version 2>&1")) + printversion("Net-tools", version("ifconfig --version 2>&1")) + printversion("Kbd", version("loadkeys -V 2>&1")) + printversion("Console-tools", version("loadkeys -V 2>&1")) + printversion("Oprofile", version("oprofiled --version 2>&1")) + printversion("Sh-utils", version("expr --v 2>&1")) + printversion("Udev", version("udevadm --version 2>&1")) + printversion("Wireless-tools", version("iwconfig --version 2>&1")) + + if (system("test -r /proc/modules") == 0) { + while ("sort /proc/modules" | getline > 0) { + mods = mods sep $1 + sep = " " + } + printversion("Modules Loaded", mods) + } +} -iwconfig --version 2>&1 | -awk '/version/{ - match($0, /[0-9]+([.]?[0-9]+)+/) - printf("Wireless-tools\t\t%s\n", - substr($0,RSTART,RLENGTH)) -}' +function version(cmd, ver) { + while (cmd | getline > 0) { + if (!/ver_linux/ && match($0, /[0-9]+([.]?[0-9]+)+/)) { + ver = substr($0, RSTART, RLENGTH) + break + } + } + close(cmd) + return ver +} -test -e /proc/modules && -sort /proc/modules | -sed ' - s/ .*// - H -${ - g - s/^\n/Modules Loaded\t\t/ - y/\n/ / - q +function printversion(name, value, ofmt) { + if (value != "") { + ofmt = "%-20s\t%s\n" + printf(ofmt, name, value) + } } - d -' |