1# 2# Copyright OpenEmbedded Contributors 3# 4# SPDX-License-Identifier: MIT 5# 6 7UNINATIVE_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)}${@bb.utils.contains('BUILD_ARCH', 'riscv64', 'ld-linux-riscv64-lp64d.so.1', '', d)}" 8UNINATIVE_STAGING_DIR ?= "${STAGING_DIR}" 9 10UNINATIVE_URL ?= "unset" 11UNINATIVE_TARBALL ?= "${BUILD_ARCH}-nativesdk-libc-${UNINATIVE_VERSION}.tar.xz" 12# Example checksums 13#UNINATIVE_CHECKSUM[aarch64] = "dead" 14#UNINATIVE_CHECKSUM[i686] = "dead" 15#UNINATIVE_CHECKSUM[x86_64] = "dead" 16UNINATIVE_DLDIR ?= "${DL_DIR}/uninative/" 17 18# Enabling uninative will change the following variables so they need to go the parsing ignored variables list to prevent multiple recipe parsing 19BB_HASHCONFIG_IGNORE_VARS += "NATIVELSBSTRING SSTATEPOSTUNPACKFUNCS BUILD_LDFLAGS" 20 21addhandler uninative_event_fetchloader 22uninative_event_fetchloader[eventmask] = "bb.event.BuildStarted" 23 24addhandler uninative_event_enable 25uninative_event_enable[eventmask] = "bb.event.ConfigParsed" 26 27python uninative_event_fetchloader() { 28 """ 29 This event fires on the parent and will try to fetch the tarball if the 30 loader isn't already present. 31 """ 32 33 chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH")) 34 if not chksum: 35 bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH")) 36 37 loader = d.getVar("UNINATIVE_LOADER") 38 loaderchksum = loader + ".chksum" 39 if os.path.exists(loader) and os.path.exists(loaderchksum): 40 with open(loaderchksum, "r") as f: 41 readchksum = f.read().strip() 42 if readchksum == chksum: 43 if "uninative" not in d.getVar("SSTATEPOSTUNPACKFUNCS"): 44 enable_uninative(d) 45 return 46 47 import subprocess 48 try: 49 # Save and restore cwd as Fetch.download() does a chdir() 50 olddir = os.getcwd() 51 52 tarball = d.getVar("UNINATIVE_TARBALL") 53 tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR"), chksum) 54 tarballpath = os.path.join(tarballdir, tarball) 55 56 if not os.path.exists(tarballpath + ".done"): 57 bb.utils.mkdirhier(tarballdir) 58 if d.getVar("UNINATIVE_URL") == "unset": 59 bb.fatal("Uninative selected but not configured, please set UNINATIVE_URL") 60 61 localdata = bb.data.createCopy(d) 62 localdata.setVar('FILESPATH', "") 63 localdata.setVar('DL_DIR', tarballdir) 64 # Our games with path manipulation of DL_DIR mean standard PREMIRRORS don't work 65 # and we can't easily put 'chksum' into the url path from a url parameter with 66 # the current fetcher url handling 67 premirrors = bb.fetch2.mirror_from_string(localdata.getVar("PREMIRRORS")) 68 for line in premirrors: 69 try: 70 (find, replace) = line 71 except ValueError: 72 continue 73 if find.startswith("http"): 74 localdata.appendVar("PREMIRRORS", " ${UNINATIVE_URL}${UNINATIVE_TARBALL} %s/uninative/%s/${UNINATIVE_TARBALL}" % (replace, chksum)) 75 76 srcuri = d.expand("${UNINATIVE_URL}${UNINATIVE_TARBALL};sha256sum=%s" % chksum) 77 bb.note("Fetching uninative binary shim %s (will check PREMIRRORS first)" % srcuri) 78 79 fetcher = bb.fetch2.Fetch([srcuri], localdata, cache=False) 80 fetcher.download() 81 localpath = fetcher.localpath(srcuri) 82 if localpath != tarballpath and os.path.exists(localpath) and not os.path.exists(tarballpath): 83 # Follow the symlink behavior from the bitbake fetch2. 84 # This will cover the case where an existing symlink is broken 85 # as well as if there are two processes trying to create it 86 # at the same time. 87 if os.path.islink(tarballpath): 88 # Broken symbolic link 89 os.unlink(tarballpath) 90 91 # Deal with two processes trying to make symlink at once 92 try: 93 os.symlink(localpath, tarballpath) 94 except FileExistsError: 95 pass 96 97 # ldd output is "ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23", extract last option from first line 98 glibcver = subprocess.check_output(["ldd", "--version"]).decode('utf-8').split('\n')[0].split()[-1] 99 if bb.utils.vercmp_string(d.getVar("UNINATIVE_MAXGLIBCVERSION"), glibcver) < 0: 100 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"))) 101 102 cmd = d.expand("\ 103mkdir -p ${UNINATIVE_STAGING_DIR}-uninative; \ 104cd ${UNINATIVE_STAGING_DIR}-uninative; \ 105tar -xJf ${UNINATIVE_DLDIR}/%s/${UNINATIVE_TARBALL}; \ 106${UNINATIVE_STAGING_DIR}-uninative/relocate_sdk.py \ 107 ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux \ 108 ${UNINATIVE_LOADER} \ 109 ${UNINATIVE_LOADER} \ 110 ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/${bindir_native}/patchelf-uninative \ 111 ${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${base_libdir_native}/libc*.so*" % chksum) 112 subprocess.check_output(cmd, shell=True) 113 114 with open(loaderchksum, "w") as f: 115 f.write(chksum) 116 117 enable_uninative(d) 118 119 except RuntimeError as e: 120 bb.warn(str(e)) 121 except bb.fetch2.BBFetchException as exc: 122 bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc)) 123 bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.") 124 except subprocess.CalledProcessError as exc: 125 bb.warn("Disabling uninative as unable to install uninative tarball: %s" % str(exc)) 126 bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.") 127 finally: 128 os.chdir(olddir) 129} 130 131python uninative_event_enable() { 132 """ 133 This event handler is called in the workers and is responsible for setting 134 up uninative if a loader is found. 135 """ 136 enable_uninative(d) 137} 138 139def enable_uninative(d): 140 loader = d.getVar("UNINATIVE_LOADER") 141 if os.path.exists(loader): 142 bb.debug(2, "Enabling uninative") 143 d.setVar("NATIVELSBSTRING", "universal%s" % oe.utils.host_gcc_version(d)) 144 d.appendVar("SSTATEPOSTUNPACKFUNCS", " uninative_changeinterp") 145 d.appendVarFlag("SSTATEPOSTUNPACKFUNCS", "vardepvalueexclude", "| uninative_changeinterp") 146 d.appendVar("BUILD_LDFLAGS", " -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER} -pthread") 147 d.appendVarFlag("BUILD_LDFLAGS", "vardepvalueexclude", "| -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER} -pthread") 148 d.appendVarFlag("BUILD_LDFLAGS", "vardepsexclude", "UNINATIVE_LOADER") 149 d.prependVar("PATH", "${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${bindir_native}:") 150 151python uninative_changeinterp () { 152 import subprocess 153 import stat 154 import oe.qa 155 156 if not (bb.data.inherits_class('native', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross', d)): 157 return 158 159 sstateinst = d.getVar('SSTATE_INSTDIR') 160 for walkroot, dirs, files in os.walk(sstateinst): 161 for file in files: 162 if file.endswith(".so") or ".so." in file: 163 continue 164 f = os.path.join(walkroot, file) 165 if os.path.islink(f): 166 continue 167 s = os.stat(f) 168 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)): 169 continue 170 elf = oe.qa.ELFFile(f) 171 try: 172 elf.open() 173 except oe.qa.NotELFFileError: 174 continue 175 if not elf.isDynamic(): 176 continue 177 178 os.chmod(f, s[stat.ST_MODE] | stat.S_IWUSR) 179 subprocess.check_output(("patchelf-uninative", "--set-interpreter", d.getVar("UNINATIVE_LOADER"), f), stderr=subprocess.STDOUT) 180 os.chmod(f, s[stat.ST_MODE]) 181} 182