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-rw-r--r--meta/classes/uninative.bbclass171
1 files changed, 0 insertions, 171 deletions
diff --git a/meta/classes/uninative.bbclass b/meta/classes/uninative.bbclass
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index 1e19917a97..0000000000
--- a/meta/classes/uninative.bbclass
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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.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 white list to prevent multiple recipe parsing
13BB_HASHCONFIG_WHITELIST += "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 subprocess.check_output(("patchelf-uninative", "--set-interpreter", d.getVar("UNINATIVE_LOADER"), f), stderr=subprocess.STDOUT)
171}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-05-12 17:00:43 +0000