blob: 9b8b4565dd441ee8f5ae32a9829082a5b7dd18e6 [file] [log] [blame]
#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#
UNINATIVE_LOADER ?= "${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/lib/${@bb.utils.contains('BUILD_ARCH', 'x86_64', 'ld-linux-x86-64.so.2', '', d)}${@bb.utils.contains('BUILD_ARCH', 'i686', 'ld-linux.so.2', '', d)}${@bb.utils.contains('BUILD_ARCH', 'aarch64', 'ld-linux-aarch64.so.1', '', d)}${@bb.utils.contains('BUILD_ARCH', 'ppc64le', 'ld64.so.2', '', d)}${@bb.utils.contains('BUILD_ARCH', 'riscv64', 'ld-linux-riscv64-lp64d.so.1', '', d)}"
UNINATIVE_STAGING_DIR ?= "${STAGING_DIR}"
UNINATIVE_URL ?= "unset"
UNINATIVE_TARBALL ?= "${BUILD_ARCH}-nativesdk-libc-${UNINATIVE_VERSION}.tar.xz"
# Example checksums
#UNINATIVE_CHECKSUM[aarch64] = "dead"
#UNINATIVE_CHECKSUM[i686] = "dead"
#UNINATIVE_CHECKSUM[x86_64] = "dead"
UNINATIVE_DLDIR ?= "${DL_DIR}/uninative/"
# Enabling uninative will change the following variables so they need to go the parsing ignored variables list to prevent multiple recipe parsing
BB_HASHCONFIG_IGNORE_VARS += "NATIVELSBSTRING SSTATEPOSTUNPACKFUNCS BUILD_LDFLAGS"
addhandler uninative_event_fetchloader
uninative_event_fetchloader[eventmask] = "bb.event.BuildStarted"
addhandler uninative_event_enable
uninative_event_enable[eventmask] = "bb.event.ConfigParsed"
python uninative_event_fetchloader() {
"""
This event fires on the parent and will try to fetch the tarball if the
loader isn't already present.
"""
chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH"))
if not chksum:
bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH"))
loader = d.getVar("UNINATIVE_LOADER")
loaderchksum = loader + ".chksum"
if os.path.exists(loader) and os.path.exists(loaderchksum):
with open(loaderchksum, "r") as f:
readchksum = f.read().strip()
if readchksum == chksum:
if "uninative" not in d.getVar("SSTATEPOSTUNPACKFUNCS"):
enable_uninative(d)
return
import subprocess
try:
# Save and restore cwd as Fetch.download() does a chdir()
olddir = os.getcwd()
tarball = d.getVar("UNINATIVE_TARBALL")
tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR"), chksum)
tarballpath = os.path.join(tarballdir, tarball)
if not os.path.exists(tarballpath + ".done"):
bb.utils.mkdirhier(tarballdir)
if d.getVar("UNINATIVE_URL") == "unset":
bb.fatal("Uninative selected but not configured, please set UNINATIVE_URL")
localdata = bb.data.createCopy(d)
localdata.setVar('FILESPATH', "")
localdata.setVar('DL_DIR', tarballdir)
# Our games with path manipulation of DL_DIR mean standard PREMIRRORS don't work
# and we can't easily put 'chksum' into the url path from a url parameter with
# the current fetcher url handling
premirrors = bb.fetch2.mirror_from_string(localdata.getVar("PREMIRRORS"))
for line in premirrors:
try:
(find, replace) = line
except ValueError:
continue
if find.startswith("http"):
localdata.appendVar("PREMIRRORS", " ${UNINATIVE_URL}${UNINATIVE_TARBALL} %s/uninative/%s/${UNINATIVE_TARBALL}" % (replace, chksum))
srcuri = d.expand("${UNINATIVE_URL}${UNINATIVE_TARBALL};sha256sum=%s" % chksum)
bb.note("Fetching uninative binary shim %s (will check PREMIRRORS first)" % srcuri)
fetcher = bb.fetch2.Fetch([srcuri], localdata, cache=False)
fetcher.download()
localpath = fetcher.localpath(srcuri)
if localpath != tarballpath and os.path.exists(localpath) and not os.path.exists(tarballpath):
# Follow the symlink behavior from the bitbake fetch2.
# This will cover the case where an existing symlink is broken
# as well as if there are two processes trying to create it
# at the same time.
if os.path.islink(tarballpath):
# Broken symbolic link
os.unlink(tarballpath)
# Deal with two processes trying to make symlink at once
try:
os.symlink(localpath, tarballpath)
except FileExistsError:
pass
# ldd output is "ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23", extract last option from first line
glibcver = subprocess.check_output(["ldd", "--version"]).decode('utf-8').split('\n')[0].split()[-1]
if bb.utils.vercmp_string(d.getVar("UNINATIVE_MAXGLIBCVERSION"), glibcver) < 0:
raise RuntimeError("Your host glibc version (%s) is newer than that in uninative (%s). Disabling uninative so that sstate is not corrupted." % (glibcver, d.getVar("UNINATIVE_MAXGLIBCVERSION")))
cmd = d.expand("\
mkdir -p ${UNINATIVE_STAGING_DIR}-uninative; \
cd ${UNINATIVE_STAGING_DIR}-uninative; \
tar -xJf ${UNINATIVE_DLDIR}/%s/${UNINATIVE_TARBALL}; \
${UNINATIVE_STAGING_DIR}-uninative/relocate_sdk.py \
${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux \
${UNINATIVE_LOADER} \
${UNINATIVE_LOADER} \
${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/${bindir_native}/patchelf-uninative \
${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${base_libdir_native}/libc*.so*" % chksum)
subprocess.check_output(cmd, shell=True)
with open(loaderchksum, "w") as f:
f.write(chksum)
enable_uninative(d)
except RuntimeError as e:
bb.warn(str(e))
except bb.fetch2.BBFetchException as exc:
bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc))
bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.")
except subprocess.CalledProcessError as exc:
bb.warn("Disabling uninative as unable to install uninative tarball: %s" % str(exc))
bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.")
finally:
os.chdir(olddir)
}
python uninative_event_enable() {
"""
This event handler is called in the workers and is responsible for setting
up uninative if a loader is found.
"""
enable_uninative(d)
}
def enable_uninative(d):
loader = d.getVar("UNINATIVE_LOADER")
if os.path.exists(loader):
bb.debug(2, "Enabling uninative")
d.setVar("NATIVELSBSTRING", "universal%s" % oe.utils.host_gcc_version(d))
d.appendVar("SSTATEPOSTUNPACKFUNCS", " uninative_changeinterp")
d.appendVarFlag("SSTATEPOSTUNPACKFUNCS", "vardepvalueexclude", "| uninative_changeinterp")
d.appendVar("BUILD_LDFLAGS", " -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER}")
d.appendVarFlag("BUILD_LDFLAGS", "vardepvalueexclude", "| -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER}")
d.appendVarFlag("BUILD_LDFLAGS", "vardepsexclude", "UNINATIVE_LOADER")
d.prependVar("PATH", "${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${bindir_native}:")
python uninative_changeinterp () {
import subprocess
import stat
import oe.qa
if not (bb.data.inherits_class('native', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross', d)):
return
sstateinst = d.getVar('SSTATE_INSTDIR')
for walkroot, dirs, files in os.walk(sstateinst):
for file in files:
if file.endswith(".so") or ".so." in file:
continue
f = os.path.join(walkroot, file)
if os.path.islink(f):
continue
s = os.stat(f)
if not ((s[stat.ST_MODE] & stat.S_IXUSR) or (s[stat.ST_MODE] & stat.S_IXGRP) or (s[stat.ST_MODE] & stat.S_IXOTH)):
continue
elf = oe.qa.ELFFile(f)
try:
elf.open()
except oe.qa.NotELFFileError:
continue
if not elf.isDynamic():
continue
os.chmod(f, s[stat.ST_MODE] | stat.S_IWUSR)
subprocess.check_output(("patchelf-uninative", "--set-interpreter", d.getVar("UNINATIVE_LOADER"), f), stderr=subprocess.STDOUT)
os.chmod(f, s[stat.ST_MODE])
}