1UNINATIVE_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)}" 2UNINATIVE_STAGING_DIR ?= "${STAGING_DIR}" 3 4UNINATIVE_URL ?= "unset" 5UNINATIVE_TARBALL ?= "${BUILD_ARCH}-nativesdk-libc-${UNINATIVE_VERSION}.tar.xz" 6# Example checksums 7#UNINATIVE_CHECKSUM[aarch64] = "dead" 8#UNINATIVE_CHECKSUM[i686] = "dead" 9#UNINATIVE_CHECKSUM[x86_64] = "dead" 10UNINATIVE_DLDIR ?= "${DL_DIR}/uninative/" 11 12# Enabling uninative will change the following variables so they need to go the parsing ignored variables list to prevent multiple recipe parsing 13BB_HASHCONFIG_IGNORE_VARS += "NATIVELSBSTRING SSTATEPOSTUNPACKFUNCS BUILD_LDFLAGS" 14 15addhandler uninative_event_fetchloader 16uninative_event_fetchloader[eventmask] = "bb.event.BuildStarted" 17 18addhandler uninative_event_enable 19uninative_event_enable[eventmask] = "bb.event.ConfigParsed" 20 21python uninative_event_fetchloader() { 22 """ 23 This event fires on the parent and will try to fetch the tarball if the 24 loader isn't already present. 25 """ 26 27 chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH")) 28 if not chksum: 29 bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH")) 30 31 loader = d.getVar("UNINATIVE_LOADER") 32 loaderchksum = loader + ".chksum" 33 if os.path.exists(loader) and os.path.exists(loaderchksum): 34 with open(loaderchksum, "r") as f: 35 readchksum = f.read().strip() 36 if readchksum == chksum: 37 return 38 39 import subprocess 40 try: 41 # Save and restore cwd as Fetch.download() does a chdir() 42 olddir = os.getcwd() 43 44 tarball = d.getVar("UNINATIVE_TARBALL") 45 tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR"), chksum) 46 tarballpath = os.path.join(tarballdir, tarball) 47 48 if not os.path.exists(tarballpath + ".done"): 49 bb.utils.mkdirhier(tarballdir) 50 if d.getVar("UNINATIVE_URL") == "unset": 51 bb.fatal("Uninative selected but not configured, please set UNINATIVE_URL") 52 53 localdata = bb.data.createCopy(d) 54 localdata.setVar('FILESPATH', "") 55 localdata.setVar('DL_DIR', tarballdir) 56 # Our games with path manipulation of DL_DIR mean standard PREMIRRORS don't work 57 # and we can't easily put 'chksum' into the url path from a url parameter with 58 # the current fetcher url handling 59 premirrors = bb.fetch2.mirror_from_string(localdata.getVar("PREMIRRORS")) 60 for line in premirrors: 61 try: 62 (find, replace) = line 63 except ValueError: 64 continue 65 if find.startswith("http"): 66 localdata.appendVar("PREMIRRORS", " ${UNINATIVE_URL}${UNINATIVE_TARBALL} %s/uninative/%s/${UNINATIVE_TARBALL}" % (replace, chksum)) 67 68 srcuri = d.expand("${UNINATIVE_URL}${UNINATIVE_TARBALL};sha256sum=%s" % chksum) 69 bb.note("Fetching uninative binary shim %s (will check PREMIRRORS first)" % srcuri) 70 71 fetcher = bb.fetch2.Fetch([srcuri], localdata, cache=False) 72 fetcher.download() 73 localpath = fetcher.localpath(srcuri) 74 if localpath != tarballpath and os.path.exists(localpath) and not os.path.exists(tarballpath): 75 # Follow the symlink behavior from the bitbake fetch2. 76 # This will cover the case where an existing symlink is broken 77 # as well as if there are two processes trying to create it 78 # at the same time. 79 if os.path.islink(tarballpath): 80 # Broken symbolic link 81 os.unlink(tarballpath) 82 83 # Deal with two processes trying to make symlink at once 84 try: 85 os.symlink(localpath, tarballpath) 86 except FileExistsError: 87 pass 88 89 # ldd output is "ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23", extract last option from first line 90 glibcver = subprocess.check_output(["ldd", "--version"]).decode('utf-8').split('\n')[0].split()[-1] 91 if bb.utils.vercmp_string(d.getVar("UNINATIVE_MAXGLIBCVERSION"), glibcver) < 0: 92 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"))) 93 94 cmd = d.expand("\ 95mkdir -p ${UNINATIVE_STAGING_DIR}-uninative; \ 96cd ${UNINATIVE_STAGING_DIR}-uninative; \ 97tar -xJf ${UNINATIVE_DLDIR}/%s/${UNINATIVE_TARBALL}; \ 98${UNINATIVE_STAGING_DIR}-uninative/relocate_sdk.py \ 99 ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux \ 100 ${UNINATIVE_LOADER} \ 101 ${UNINATIVE_LOADER} \ 102 ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/${bindir_native}/patchelf-uninative \ 103 ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${base_libdir_native}/libc*.so*" % chksum) 104 subprocess.check_output(cmd, shell=True) 105 106 with open(loaderchksum, "w") as f: 107 f.write(chksum) 108 109 enable_uninative(d) 110 111 except RuntimeError as e: 112 bb.warn(str(e)) 113 except bb.fetch2.BBFetchException as exc: 114 bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc)) 115 bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.") 116 except subprocess.CalledProcessError as exc: 117 bb.warn("Disabling uninative as unable to install uninative tarball: %s" % str(exc)) 118 bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.") 119 finally: 120 os.chdir(olddir) 121} 122 123python uninative_event_enable() { 124 """ 125 This event handler is called in the workers and is responsible for setting 126 up uninative if a loader is found. 127 """ 128 enable_uninative(d) 129} 130 131def enable_uninative(d): 132 loader = d.getVar("UNINATIVE_LOADER") 133 if os.path.exists(loader): 134 bb.debug(2, "Enabling uninative") 135 d.setVar("NATIVELSBSTRING", "universal%s" % oe.utils.host_gcc_version(d)) 136 d.appendVar("SSTATEPOSTUNPACKFUNCS", " uninative_changeinterp") 137 d.appendVarFlag("SSTATEPOSTUNPACKFUNCS", "vardepvalueexclude", "| uninative_changeinterp") 138 d.appendVar("BUILD_LDFLAGS", " -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER}") 139 d.appendVarFlag("BUILD_LDFLAGS", "vardepvalueexclude", "| -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER}") 140 d.appendVarFlag("BUILD_LDFLAGS", "vardepsexclude", "UNINATIVE_LOADER") 141 d.prependVar("PATH", "${STAGING_DIR}-uninative/${BUILD_ARCH}-linux${bindir_native}:") 142 143python uninative_changeinterp () { 144 import subprocess 145 import stat 146 import oe.qa 147 148 if not (bb.data.inherits_class('native', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross', d)): 149 return 150 151 sstateinst = d.getVar('SSTATE_INSTDIR') 152 for walkroot, dirs, files in os.walk(sstateinst): 153 for file in files: 154 if file.endswith(".so") or ".so." in file: 155 continue 156 f = os.path.join(walkroot, file) 157 if os.path.islink(f): 158 continue 159 s = os.stat(f) 160 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)): 161 continue 162 elf = oe.qa.ELFFile(f) 163 try: 164 elf.open() 165 except oe.qa.NotELFFileError: 166 continue 167 if not elf.isDynamic(): 168 continue 169 170 os.chmod(f, s[stat.ST_MODE] | stat.S_IWUSR) 171 subprocess.check_output(("patchelf-uninative", "--set-interpreter", d.getVar("UNINATIVE_LOADER"), f), stderr=subprocess.STDOUT) 172 os.chmod(f, s[stat.ST_MODE]) 173} 174