summaryrefslogtreecommitdiff
path: root/scripts
diff options
context:
space:
mode:
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.ubsan5
-rwxr-xr-xscripts/checkkconfigsymbols.py338
-rwxr-xr-xscripts/checkpatch.pl9
-rwxr-xr-xscripts/faddr2line177
-rwxr-xr-xscripts/kernel-doc48
-rwxr-xr-xscripts/package/builddeb4
-rw-r--r--scripts/recordmcount.c1
-rwxr-xr-xscripts/recordmcount.pl1
-rwxr-xr-xscripts/tags.sh1
-rwxr-xr-xscripts/ver_linux260
10 files changed, 470 insertions, 374 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/checkpatch.pl b/scripts/checkpatch.pl
index 4de3cc42fc50..206a6b346a8d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3570,15 +3570,6 @@ sub process {
}
}
-# check for uses of DEFINE_PCI_DEVICE_TABLE
- if ($line =~ /\bDEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=/) {
- if (WARN("DEFINE_PCI_DEVICE_TABLE",
- "Prefer struct pci_device_id over deprecated DEFINE_PCI_DEVICE_TABLE\n" . $herecurr) &&
- $fix) {
- $fixed[$fixlinenr] =~ s/\b(?:static\s+|)DEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=\s*/static const struct pci_device_id $1\[\] = /;
- }
- }
-
# check for new typedefs, only function parameters and sparse annotations
# make sense.
if ($line =~ /\btypedef\s/ &&
diff --git a/scripts/faddr2line b/scripts/faddr2line
new file mode 100755
index 000000000000..450b33257339
--- /dev/null
+++ b/scripts/faddr2line
@@ -0,0 +1,177 @@
+#!/bin/bash
+#
+# Translate stack dump function offsets.
+#
+# addr2line doesn't work with KASLR addresses. This works similarly to
+# addr2line, but instead takes the 'func+0x123' format as input:
+#
+# $ ./scripts/faddr2line ~/k/vmlinux meminfo_proc_show+0x5/0x568
+# meminfo_proc_show+0x5/0x568:
+# meminfo_proc_show at fs/proc/meminfo.c:27
+#
+# If the address is part of an inlined function, the full inline call chain is
+# printed:
+#
+# $ ./scripts/faddr2line ~/k/vmlinux native_write_msr+0x6/0x27
+# native_write_msr+0x6/0x27:
+# arch_static_branch at arch/x86/include/asm/msr.h:121
+# (inlined by) static_key_false at include/linux/jump_label.h:125
+# (inlined by) native_write_msr at arch/x86/include/asm/msr.h:125
+#
+# The function size after the '/' in the input is optional, but recommended.
+# It's used to help disambiguate any duplicate symbol names, which can occur
+# rarely. If the size is omitted for a duplicate symbol then it's possible for
+# multiple code sites to be printed:
+#
+# $ ./scripts/faddr2line ~/k/vmlinux raw_ioctl+0x5
+# raw_ioctl+0x5/0x20:
+# raw_ioctl at drivers/char/raw.c:122
+#
+# raw_ioctl+0x5/0xb1:
+# raw_ioctl at net/ipv4/raw.c:876
+#
+# Multiple addresses can be specified on a single command line:
+#
+# $ ./scripts/faddr2line ~/k/vmlinux type_show+0x10/45 free_reserved_area+0x90
+# type_show+0x10/0x2d:
+# type_show at drivers/video/backlight/backlight.c:213
+#
+# free_reserved_area+0x90/0x123:
+# free_reserved_area at mm/page_alloc.c:6429 (discriminator 2)
+
+
+set -o errexit
+set -o nounset
+
+command -v awk >/dev/null 2>&1 || die "awk isn't installed"
+command -v readelf >/dev/null 2>&1 || die "readelf isn't installed"
+command -v addr2line >/dev/null 2>&1 || die "addr2line isn't installed"
+
+usage() {
+ echo "usage: faddr2line <object file> <func+offset> <func+offset>..." >&2
+ exit 1
+}
+
+warn() {
+ echo "$1" >&2
+}
+
+die() {
+ echo "ERROR: $1" >&2
+ exit 1
+}
+
+# Try to figure out the source directory prefix so we can remove it from the
+# addr2line output. HACK ALERT: This assumes that start_kernel() is in
+# kernel/init.c! This only works for vmlinux. Otherwise it falls back to
+# printing the absolute path.
+find_dir_prefix() {
+ local objfile=$1
+
+ local start_kernel_addr=$(readelf -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}')
+ [[ -z $start_kernel_addr ]] && return
+
+ local file_line=$(addr2line -e $objfile $start_kernel_addr)
+ [[ -z $file_line ]] && return
+
+ local prefix=${file_line%init/main.c:*}
+ if [[ -z $prefix ]] || [[ $prefix = $file_line ]]; then
+ return
+ fi
+
+ DIR_PREFIX=$prefix
+ return 0
+}
+
+__faddr2line() {
+ local objfile=$1
+ local func_addr=$2
+ local dir_prefix=$3
+ local print_warnings=$4
+
+ local func=${func_addr%+*}
+ local offset=${func_addr#*+}
+ offset=${offset%/*}
+ local size=
+ [[ $func_addr =~ "/" ]] && size=${func_addr#*/}
+
+ if [[ -z $func ]] || [[ -z $offset ]] || [[ $func = $func_addr ]]; then
+ warn "bad func+offset $func_addr"
+ DONE=1
+ return
+ fi
+
+ # Go through each of the object's symbols which match the func name.
+ # In rare cases there might be duplicates.
+ while read symbol; do
+ local fields=($symbol)
+ local sym_base=0x${fields[1]}
+ local sym_size=${fields[2]}
+ local sym_type=${fields[3]}
+
+ # calculate the address
+ local addr=$(($sym_base + $offset))
+ if [[ -z $addr ]] || [[ $addr = 0 ]]; then
+ warn "bad address: $sym_base + $offset"
+ DONE=1
+ return
+ fi
+ local hexaddr=0x$(printf %x $addr)
+
+ # weed out non-function symbols
+ if [[ $sym_type != "FUNC" ]]; then
+ [[ $print_warnings = 1 ]] &&
+ echo "skipping $func address at $hexaddr due to non-function symbol"
+ continue
+ fi
+
+ # if the user provided a size, make sure it matches the symbol's size
+ if [[ -n $size ]] && [[ $size -ne $sym_size ]]; then
+ [[ $print_warnings = 1 ]] &&
+ echo "skipping $func address at $hexaddr due to size mismatch ($size != $sym_size)"
+ continue;
+ fi
+
+ # make sure the provided offset is within the symbol's range
+ if [[ $offset -gt $sym_size ]]; then
+ [[ $print_warnings = 1 ]] &&
+ echo "skipping $func address at $hexaddr due to size mismatch ($offset > $sym_size)"
+ continue
+ fi
+
+ # separate multiple entries with a blank line
+ [[ $FIRST = 0 ]] && echo
+ FIRST=0
+
+ local hexsize=0x$(printf %x $sym_size)
+ echo "$func+$offset/$hexsize:"
+ addr2line -fpie $objfile $hexaddr | sed "s; $dir_prefix\(\./\)*; ;"
+ DONE=1
+
+ done < <(readelf -sW $objfile | awk -v f=$func '$8 == f {print}')
+}
+
+[[ $# -lt 2 ]] && usage
+
+objfile=$1
+[[ ! -f $objfile ]] && die "can't find objfile $objfile"
+shift
+
+DIR_PREFIX=supercalifragilisticexpialidocious
+find_dir_prefix $objfile
+
+FIRST=1
+while [[ $# -gt 0 ]]; do
+ func_addr=$1
+ shift
+
+ # print any matches found
+ DONE=0
+ __faddr2line $objfile $func_addr $DIR_PREFIX 0
+
+ # if no match was found, print warnings
+ if [[ $DONE = 0 ]]; then
+ __faddr2line $objfile $func_addr $DIR_PREFIX 1
+ warn "no match for $func_addr"
+ fi
+done
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 = '\\&amp;((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/package/builddeb b/scripts/package/builddeb
index e1c09e2f9be7..8ea9fd2b6573 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -332,7 +332,9 @@ if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
(cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
fi
(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
-(cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
+if grep -q '^CONFIG_GCC_PLUGINS=y' $KCONFIG_CONFIG ; then
+ (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
+fi
destdir=$kernel_headers_dir/usr/src/linux-headers-$version
mkdir -p "$destdir"
(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 42396a74405d..a68f03133df9 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -363,6 +363,7 @@ 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(".text.unlikely", txtname) == 0;
}
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 96e2486a6fc4..2d48011bc362 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -134,6 +134,7 @@ my %text_sections = (
".sched.text" => 1,
".spinlock.text" => 1,
".irqentry.text" => 1,
+ ".softirqentry.text" => 1,
".kprobes.text" => 1,
".text.unlikely" => 1,
);
diff --git a/scripts/tags.sh b/scripts/tags.sh
index ed7eef24ef89..b3775a9604ea 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -206,7 +206,6 @@ regex_c=(
'/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
'/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
'/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
- '/\<DEFINE_PCI_DEVICE_TABLE(\([[:alnum:]_]*\)/\1/v/'
'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
'/\<DEFINE_HASHTABLE(\([[:alnum:]_]*\)/\1/v/'
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
-'