From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 79661 invoked by alias); 31 Dec 2019 10:50:27 -0000 Mailing-List: contact glibc-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: , Sender: glibc-cvs-owner@sourceware.org List-Subscribe: Received: (qmail 79643 invoked by uid 9299); 31 Dec 2019 10:50:27 -0000 Date: Tue, 31 Dec 2019 10:50:00 -0000 Message-ID: <20191231105027.79642.qmail@sourceware.org> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Florian Weimer To: glibc-cvs@sourceware.org Subject: [glibc/fw/builtin-syscalls-4] build-many-glibcs.py: Implement update-syscalls command X-Act-Checkin: glibc X-Git-Author: Florian Weimer X-Git-Refname: refs/heads/fw/builtin-syscalls-4 X-Git-Oldrev: 465bda156727907db19b88f284d54d9db9356b6b X-Git-Newrev: e50ca00adf26e532226ba117ef7cbe4ed07bffd2 X-SW-Source: 2019-q4/txt/msg00717.txt.bz2 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e50ca00adf26e532226ba117ef7cbe4ed07bffd2 commit e50ca00adf26e532226ba117ef7cbe4ed07bffd2 Author: Florian Weimer Date: Mon Dec 16 18:42:52 2019 +0100 build-many-glibcs.py: Implement update-syscalls command This command uses pre-built compilers to re-install the Linux headers from the current sources into a temporary location and runs glibc's “make update-syscalls-lists” against that. This updates the glibc source tree with the current system call numbers. Diff: --- scripts/build-many-glibcs.py | 65 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 62 insertions(+), 3 deletions(-) diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py index a91388f..e898f97 100755 --- a/scripts/build-many-glibcs.py +++ b/scripts/build-many-glibcs.py @@ -498,7 +498,10 @@ class Context(object): old_components = ('gmp', 'mpfr', 'mpc', 'binutils', 'gcc', 'linux', 'mig', 'gnumach', 'hurd') old_versions = self.build_state['compilers']['build-versions'] - self.build_glibcs(configs) + if action == 'update-syscalls': + self.update_syscalls(configs) + else: + self.build_glibcs(configs) self.write_files() self.do_build() if configs: @@ -689,6 +692,15 @@ class Context(object): for c in configs: self.glibc_configs[c].build() + def update_syscalls(self, configs): + """Update the glibc syscall lists.""" + if not configs: + self.remove_dirs(os.path.join(self.builddir, 'update-syscalls')) + self.remove_dirs(os.path.join(self.logsdir, 'update-syscalls')) + configs = sorted(self.glibc_configs.keys()) + for c in configs: + self.glibc_configs[c].update_syscalls() + def load_versions_json(self): """Load information about source directory versions.""" if not os.access(self.versions_json, os.F_OK): @@ -921,7 +933,7 @@ class Context(object): self.build_state = json.load(f) else: self.build_state = {} - for k in ('host-libraries', 'compilers', 'glibcs'): + for k in ('host-libraries', 'compilers', 'glibcs', 'update-syscalls'): if k not in self.build_state: self.build_state[k] = {} if 'build-time' not in self.build_state[k]: @@ -1169,6 +1181,16 @@ class LinuxHeadersPolicyForBuild(object): self.builddir = config.component_builddir('linux') self.headers_dir = os.path.join(config.sysroot, 'usr') +class LinuxHeadersPolicyForUpdateSyscalls(object): + """Names and directories for Linux headers. update-syscalls variant.""" + + def __init__(self, glibc, headers_dir): + self.arch = glibc.compiler.arch + self.srcdir = glibc.compiler.ctx.component_srcdir('linux') + self.builddir = glibc.ctx.component_builddir( + 'update-syscalls', glibc.name, 'build-linux') + self.headers_dir = headers_dir + def install_linux_headers(policy, cmdlist): """Install Linux kernel headers.""" arch_map = {'aarch64': 'arm64', @@ -1468,6 +1490,20 @@ class GlibcPolicyForBuild(GlibcPolicyDefault): cmdlist.add_command('check', ['make', 'check']) cmdlist.add_command('save-logs', [self.save_logs], always_run=True) +class GlibcPolicyForUpdateSyscalls(GlibcPolicyDefault): + """Build policy for glibc during update-syscalls.""" + + def __init__(self, glibc): + super().__init__(glibc) + self.builddir = glibc.ctx.component_builddir( + 'update-syscalls', glibc.name, 'glibc') + self.linuxdir = glibc.ctx.component_builddir( + 'update-syscalls', glibc.name, 'linux') + self.linux_policy = LinuxHeadersPolicyForUpdateSyscalls( + glibc, self.linuxdir) + self.configure_args.insert( + 0, '--with-headers=%s' % os.path.join(self.linuxdir, 'include')) + # self.installdir not set because installation is not supported class Glibc(object): """A configuration for building glibc.""" @@ -1538,6 +1574,28 @@ class Glibc(object): policy.extra_commands(cmdlist) cmdlist.cleanup_dir() + def update_syscalls(self): + if self.os == 'gnu': + # Hurd does not have system call tables that need updating. + return + + policy = GlibcPolicyForUpdateSyscalls(self) + logsdir = os.path.join(self.ctx.logsdir, 'update-syscalls', self.name) + self.ctx.remove_recreate_dirs(policy.builddir, logsdir) + cmdlist = CommandList('update-syscalls-%s' % self.name, self.ctx.keep) + cmdlist.add_command('check-compilers', + ['test', '-f', + os.path.join(self.compiler.installdir, 'ok')]) + cmdlist.use_path(self.compiler.bindir) + + install_linux_headers(policy.linux_policy, cmdlist) + + cmdlist.create_use_dir(policy.builddir) + policy.configure(cmdlist) + cmdlist.add_command('build', ['make', 'update-syscall-lists']) + cmdlist.cleanup_dir() + self.ctx.add_makefile_cmdlist('update-syscalls-%s' % self.name, + cmdlist, logsdir) class Command(object): """A command run in the build process.""" @@ -1705,7 +1763,8 @@ def get_parser(): parser.add_argument('action', help='What to do', choices=('checkout', 'bot-cycle', 'bot', - 'host-libraries', 'compilers', 'glibcs')) + 'host-libraries', 'compilers', 'glibcs', + 'update-syscalls')) parser.add_argument('configs', help='Versions to check out or configurations to build', nargs='*')