-# Translate a commit subject into a valid filename
-trans_valid_chars = string.maketrans("/: ", "---")
-
-
-def Mkdir(dirname):
- """Make a directory if it doesn't already exist.
-
- Args:
- dirname: Directory to create
- """
- try:
- os.mkdir(dirname)
- except OSError as err:
- if err.errno == errno.EEXIST:
- pass
- else:
- raise
-
-class BuilderJob:
- """Holds information about a job to be performed by a thread
-
- Members:
- board: Board object to build
- commits: List of commit options to build.
- """
- def __init__(self):
- self.board = None
- self.commits = []
-
-
-class ResultThread(threading.Thread):
- """This thread processes results from builder threads.
-
- It simply passes the results on to the builder. There is only one
- result thread, and this helps to serialise the build output.
- """
- def __init__(self, builder):
- """Set up a new result thread
-
- Args:
- builder: Builder which will be sent each result
- """
- threading.Thread.__init__(self)
- self.builder = builder
-
- def run(self):
- """Called to start up the result thread.
-
- We collect the next result job and pass it on to the build.
- """
- while True:
- result = self.builder.out_queue.get()
- self.builder.ProcessResult(result)
- self.builder.out_queue.task_done()
-
-
-class BuilderThread(threading.Thread):
- """This thread builds U-Boot for a particular board.
-
- An input queue provides each new job. We run 'make' to build U-Boot
- and then pass the results on to the output queue.
-
- Members:
- builder: The builder which contains information we might need
- thread_num: Our thread number (0-n-1), used to decide on a
- temporary directory
- """
- def __init__(self, builder, thread_num):
- """Set up a new builder thread"""
- threading.Thread.__init__(self)
- self.builder = builder
- self.thread_num = thread_num
-
- def Make(self, commit, brd, stage, cwd, *args, **kwargs):
- """Run 'make' on a particular commit and board.
-
- The source code will already be checked out, so the 'commit'
- argument is only for information.
-
- Args:
- commit: Commit object that is being built
- brd: Board object that is being built
- stage: Stage of the build. Valid stages are:
- distclean - can be called to clean source
- config - called to configure for a board
- build - the main make invocation - it does the build
- args: A list of arguments to pass to 'make'
- kwargs: A list of keyword arguments to pass to command.RunPipe()
-
- Returns:
- CommandResult object
- """
- return self.builder.do_make(commit, brd, stage, cwd, *args,
- **kwargs)
-
- def RunCommit(self, commit_upto, brd, work_dir, do_config, force_build,
- force_build_failures):
- """Build a particular commit.
-
- If the build is already done, and we are not forcing a build, we skip
- the build and just return the previously-saved results.
-
- Args:
- commit_upto: Commit number to build (0...n-1)
- brd: Board object to build
- work_dir: Directory to which the source will be checked out
- do_config: True to run a make <board>_config on the source
- force_build: Force a build even if one was previously done
- force_build_failures: Force a bulid if the previous result showed
- failure
-
- Returns:
- tuple containing:
- - CommandResult object containing the results of the build
- - boolean indicating whether 'make config' is still needed
- """
- # Create a default result - it will be overwritte by the call to
- # self.Make() below, in the event that we do a build.
- result = command.CommandResult()
- result.return_code = 0
- if self.builder.in_tree:
- out_dir = work_dir
- else:
- out_dir = os.path.join(work_dir, 'build')
-
- # Check if the job was already completed last time
- done_file = self.builder.GetDoneFile(commit_upto, brd.target)
- result.already_done = os.path.exists(done_file)
- will_build = (force_build or force_build_failures or
- not result.already_done)
- if result.already_done and will_build:
- # Get the return code from that build and use it
- with open(done_file, 'r') as fd:
- result.return_code = int(fd.readline())
- err_file = self.builder.GetErrFile(commit_upto, brd.target)
- if os.path.exists(err_file) and os.stat(err_file).st_size:
- result.stderr = 'bad'
- elif not force_build:
- # The build passed, so no need to build it again
- will_build = False
-
- if will_build:
- # We are going to have to build it. First, get a toolchain
- if not self.toolchain:
- try:
- self.toolchain = self.builder.toolchains.Select(brd.arch)
- except ValueError as err:
- result.return_code = 10
- result.stdout = ''
- result.stderr = str(err)
- # TODO(sjg@chromium.org): This gets swallowed, but needs
- # to be reported.
-
- if self.toolchain:
- # Checkout the right commit
- if commit_upto is not None:
- commit = self.builder.commits[commit_upto]
- if self.builder.checkout:
- git_dir = os.path.join(work_dir, '.git')
- gitutil.Checkout(commit.hash, git_dir, work_dir,
- force=True)
- else:
- commit = self.builder.commit # Ick, fix this for BuildCommits()
-
- # Set up the environment and command line
- env = self.toolchain.MakeEnvironment()
- Mkdir(out_dir)
- args = []
- if not self.builder.in_tree:
- args.append('O=build')
- args.append('-s')
- if self.builder.num_jobs is not None:
- args.extend(['-j', str(self.builder.num_jobs)])
- config_args = ['%s_config' % brd.target]
- config_out = ''
- args.extend(self.builder.toolchains.GetMakeArguments(brd))
-
- # If we need to reconfigure, do that now
- if do_config:
- result = self.Make(commit, brd, 'distclean', work_dir,
- 'distclean', *args, env=env)
- result = self.Make(commit, brd, 'config', work_dir,
- *(args + config_args), env=env)
- config_out = result.combined
- do_config = False # No need to configure next time
- if result.return_code == 0:
- result = self.Make(commit, brd, 'build', work_dir, *args,
- env=env)
- result.stdout = config_out + result.stdout
- else:
- result.return_code = 1
- result.stderr = 'No tool chain for %s\n' % brd.arch
- result.already_done = False
-
- result.toolchain = self.toolchain
- result.brd = brd
- result.commit_upto = commit_upto
- result.out_dir = out_dir
- return result, do_config
-
- def _WriteResult(self, result, keep_outputs):
- """Write a built result to the output directory.
-
- Args:
- result: CommandResult object containing result to write
- keep_outputs: True to store the output binaries, False
- to delete them
- """
- # Fatal error
- if result.return_code < 0:
- return
-
- # Aborted?
- if result.stderr and 'No child processes' in result.stderr:
- return
-
- if result.already_done:
- return
-
- # Write the output and stderr
- output_dir = self.builder._GetOutputDir(result.commit_upto)
- Mkdir(output_dir)
- build_dir = self.builder.GetBuildDir(result.commit_upto,
- result.brd.target)
- Mkdir(build_dir)
-
- outfile = os.path.join(build_dir, 'log')
- with open(outfile, 'w') as fd:
- if result.stdout:
- fd.write(result.stdout)
-
- errfile = self.builder.GetErrFile(result.commit_upto,
- result.brd.target)
- if result.stderr:
- with open(errfile, 'w') as fd:
- fd.write(result.stderr)
- elif os.path.exists(errfile):
- os.remove(errfile)
-
- if result.toolchain:
- # Write the build result and toolchain information.
- done_file = self.builder.GetDoneFile(result.commit_upto,
- result.brd.target)
- with open(done_file, 'w') as fd:
- fd.write('%s' % result.return_code)
- with open(os.path.join(build_dir, 'toolchain'), 'w') as fd:
- print >>fd, 'gcc', result.toolchain.gcc
- print >>fd, 'path', result.toolchain.path
- print >>fd, 'cross', result.toolchain.cross
- print >>fd, 'arch', result.toolchain.arch
- fd.write('%s' % result.return_code)
-
- with open(os.path.join(build_dir, 'toolchain'), 'w') as fd:
- print >>fd, 'gcc', result.toolchain.gcc
- print >>fd, 'path', result.toolchain.path
-
- # Write out the image and function size information and an objdump
- env = result.toolchain.MakeEnvironment()
- lines = []
- for fname in ['u-boot', 'spl/u-boot-spl']:
- cmd = ['%snm' % self.toolchain.cross, '--size-sort', fname]
- nm_result = command.RunPipe([cmd], capture=True,
- capture_stderr=True, cwd=result.out_dir,
- raise_on_error=False, env=env)
- if nm_result.stdout:
- nm = self.builder.GetFuncSizesFile(result.commit_upto,
- result.brd.target, fname)
- with open(nm, 'w') as fd:
- print >>fd, nm_result.stdout,
-
- cmd = ['%sobjdump' % self.toolchain.cross, '-h', fname]
- dump_result = command.RunPipe([cmd], capture=True,
- capture_stderr=True, cwd=result.out_dir,
- raise_on_error=False, env=env)
- rodata_size = ''
- if dump_result.stdout:
- objdump = self.builder.GetObjdumpFile(result.commit_upto,
- result.brd.target, fname)
- with open(objdump, 'w') as fd:
- print >>fd, dump_result.stdout,
- for line in dump_result.stdout.splitlines():
- fields = line.split()
- if len(fields) > 5 and fields[1] == '.rodata':
- rodata_size = fields[2]
-
- cmd = ['%ssize' % self.toolchain.cross, fname]
- size_result = command.RunPipe([cmd], capture=True,
- capture_stderr=True, cwd=result.out_dir,
- raise_on_error=False, env=env)
- if size_result.stdout:
- lines.append(size_result.stdout.splitlines()[1] + ' ' +
- rodata_size)
-
- # Write out the image sizes file. This is similar to the output
- # of binutil's 'size' utility, but it omits the header line and
- # adds an additional hex value at the end of each line for the
- # rodata size
- if len(lines):
- sizes = self.builder.GetSizesFile(result.commit_upto,
- result.brd.target)
- with open(sizes, 'w') as fd:
- print >>fd, '\n'.join(lines)
-
- # Now write the actual build output
- if keep_outputs:
- patterns = ['u-boot', '*.bin', 'u-boot.dtb', '*.map',
- 'include/autoconf.mk', 'spl/u-boot-spl',
- 'spl/u-boot-spl.bin']
- for pattern in patterns:
- file_list = glob.glob(os.path.join(result.out_dir, pattern))
- for fname in file_list:
- shutil.copy(fname, build_dir)
-
-
- def RunJob(self, job):
- """Run a single job
-
- A job consists of a building a list of commits for a particular board.
-
- Args:
- job: Job to build
- """
- brd = job.board
- work_dir = self.builder.GetThreadDir(self.thread_num)
- self.toolchain = None
- if job.commits:
- # Run 'make board_config' on the first commit
- do_config = True
- commit_upto = 0
- force_build = False
- for commit_upto in range(0, len(job.commits), job.step):
- result, request_config = self.RunCommit(commit_upto, brd,
- work_dir, do_config,
- force_build or self.builder.force_build,
- self.builder.force_build_failures)
- failed = result.return_code or result.stderr
- did_config = do_config
- if failed and not do_config:
- # If our incremental build failed, try building again
- # with a reconfig.
- if self.builder.force_config_on_failure:
- result, request_config = self.RunCommit(commit_upto,
- brd, work_dir, True, True, False)
- did_config = True
- if not self.builder.force_reconfig:
- do_config = request_config
-
- # If we built that commit, then config is done. But if we got
- # an warning, reconfig next time to force it to build the same
- # files that created warnings this time. Otherwise an
- # incremental build may not build the same file, and we will
- # think that the warning has gone away.
- # We could avoid this by using -Werror everywhere...
- # For errors, the problem doesn't happen, since presumably
- # the build stopped and didn't generate output, so will retry
- # that file next time. So we could detect warnings and deal
- # with them specially here. For now, we just reconfigure if
- # anything goes work.
- # Of course this is substantially slower if there are build
- # errors/warnings (e.g. 2-3x slower even if only 10% of builds
- # have problems).
- if (failed and not result.already_done and not did_config and
- self.builder.force_config_on_failure):
- # If this build failed, try the next one with a
- # reconfigure.
- # Sometimes if the board_config.h file changes it can mess
- # with dependencies, and we get:
- # make: *** No rule to make target `include/autoconf.mk',
- # needed by `depend'.
- do_config = True
- force_build = True
- else:
- force_build = False
- if self.builder.force_config_on_failure:
- if failed:
- do_config = True
- result.commit_upto = commit_upto
- if result.return_code < 0:
- raise ValueError('Interrupt')
-
- # We have the build results, so output the result
- self._WriteResult(result, job.keep_outputs)
- self.builder.out_queue.put(result)
- else:
- # Just build the currently checked-out build
- result = self.RunCommit(None, True)
- result.commit_upto = self.builder.upto
- self.builder.out_queue.put(result)
-
- def run(self):
- """Our thread's run function
-
- This thread picks a job from the queue, runs it, and then goes to the
- next job.
- """
- alive = True
- while True:
- job = self.builder.queue.get()
- try:
- if self.builder.active and alive:
- self.RunJob(job)
- except Exception as err:
- alive = False
- print err
- self.builder.queue.task_done()
-
projects / oweals / u-boot.git / blobdiff