Files
rockchip-kernel/scripts/gcc-wrapper.py
Huang, Tao 5f478558d4 Merge branch 'android-4.4'
* android-4.4: (475 commits)
  android: base-cfg: Add CONFIG_IP_MULTICAST
  android: recommended.cfg: enable taskstats
  ANDROID: android: base-cfg: disable CONFIG_SYSVIPC
  android: configs: base: enable configfs gadget functions
  android: add CONFIG_DEBUG_RODATA to recommended config
  android: configs: remove CONFIG_BATTERY_ANDROID=y
  android: configs: base: enable IPV6
  android: configs: Enable SELinux and its dependencies.
  android: base-cfg: disable ALARM_DEV
  android: base-cfg: turn off /dev/mem and /dev/kmem
  android: base-cfg: enable ARMV8_DEPRECATED and subfeatures
  android: base-cfg: enforce the needed XFRM_MODE_TUNNEL (for VPN)
  android: base-cfg: disable LOGGER
  android: base-cfg: enable DM_VERITY (used for secureboot)
  android: configs: add systrace support to recommended configs
  android: configs: update 3.10 options
  android: configs: Add CONFIG_NETFILTER_XT_TARGET_IDLETIMER
  android: configs: add IPV6 ROUTE INFO
  android: configs: add TIMER_STATS back, helps with sysrq t.
  android: configs: Add HIDRAW to recommended set
  ...

Change-Id: I4580a461d0e2845c6aa430861174c83bb6120bb4
2016-02-18 15:18:27 +08:00

109 lines
4.9 KiB
Python
Executable File

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2011-2012, The Linux Foundation. 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 The Linux Foundation 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([
"core.c:142", # drivers/regulator/core.c:142:6: warning: unused variable 'i'
"posix-cpu-timers.c:1268", # kernel/time/posix-cpu-timers.c:1268:13: warning: 'now' may be used uninitialized in this function
"af_unix.c:1036", # net/unix/af_unix.c:1036:20: warning: 'hash' may be used uninitialized in this function
"sunxi_sram.c:214", # drivers/soc/sunxi/sunxi_sram.c:214:24: warning: 'device' may be used uninitialized in this function
"ks8851.c:298", # drivers/net/ethernet/micrel/ks8851.c:298:2: warning: 'rxb[0]' may be used uninitialized in this function
"ks8851.c:421", # drivers/net/ethernet/micrel/ks8851.c:421:20: warning: 'rxb[0]' may be used uninitialized in this function
"compat_binfmt_elf.c:58", # fs/compat_binfmt_elf.c:58:13: warning: 'cputime_to_compat_timeval' defined but not used
"cgroup.c:2132", # kernel/cgroup.c:2132:13: warning: 'root' may be used uninitialized in this function
"lowmemorykiller.c:174", # drivers/staging/android/lowmemorykiller.c:174:3: warning: ISO C90 forbids mixed declarations and code
"inet6_connection_sock.c:89", # net/ipv6/inet6_connection_sock.c:89:32: warning: passing argument 1 of 'sock_i_uid' discards 'const' qualifier from pointer target type
"inet_connection_sock.c:423", # net/ipv4/inet_connection_sock.c:423:283: warning: passing argument 1 of 'sock_i_uid' discards 'const' qualifier from pointer target type
"inet_connection_sock.c:460", # net/ipv4/inet_connection_sock.c:460:283: warning: passing argument 1 of 'sock_i_uid' discards 'const' qualifier from pointer target type
"watchdog.c:122", # kernel/watchdog.c:122:22: warning: 'hardlockup_allcpu_dumped' defined but not used
])
# 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)