diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/lib/oe/package.py')
| -rw-r--r-- | import-layers/yocto-poky/meta/lib/oe/package.py | 120 |
1 files changed, 112 insertions, 8 deletions
diff --git a/import-layers/yocto-poky/meta/lib/oe/package.py b/import-layers/yocto-poky/meta/lib/oe/package.py index 4797e7d65a..1e5c3aa8e1 100644 --- a/import-layers/yocto-poky/meta/lib/oe/package.py +++ b/import-layers/yocto-poky/meta/lib/oe/package.py @@ -45,6 +45,115 @@ def runstrip(arg): return +def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, qa_already_stripped=False): + """ + Strip executable code (like executables, shared libraries) _in_place_ + - Based on sysroot_strip in staging.bbclass + :param dstdir: directory in which to strip files + :param strip_cmd: Strip command (usually ${STRIP}) + :param libdir: ${libdir} - strip .so files in this directory + :param base_libdir: ${base_libdir} - strip .so files in this directory + :param qa_already_stripped: Set to True if already-stripped' in ${INSANE_SKIP} + This is for proper logging and messages only. + """ + import stat, errno, oe.path, oe.utils, mmap + + # Detect .ko module by searching for "vermagic=" string + def is_kernel_module(path): + with open(path) as f: + return mmap.mmap(f.fileno(), 0, prot=mmap.PROT_READ).find(b"vermagic=") >= 0 + + # Return type (bits): + # 0 - not elf + # 1 - ELF + # 2 - stripped + # 4 - executable + # 8 - shared library + # 16 - kernel module + def is_elf(path): + exec_type = 0 + ret, result = oe.utils.getstatusoutput( + "file \"%s\"" % path.replace("\"", "\\\"")) + + if ret: + bb.error("split_and_strip_files: 'file %s' failed" % path) + return exec_type + + if "ELF" in result: + exec_type |= 1 + if "not stripped" not in result: + exec_type |= 2 + if "executable" in result: + exec_type |= 4 + if "shared" in result: + exec_type |= 8 + if "relocatable" in result and is_kernel_module(path): + exec_type |= 16 + return exec_type + + elffiles = {} + inodes = {} + libdir = os.path.abspath(dstdir + os.sep + libdir) + base_libdir = os.path.abspath(dstdir + os.sep + base_libdir) + exec_mask = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH + # + # First lets figure out all of the files we may have to process + # + for root, dirs, files in os.walk(dstdir): + for f in files: + file = os.path.join(root, f) + + try: + ltarget = oe.path.realpath(file, dstdir, False) + s = os.lstat(ltarget) + except OSError as e: + (err, strerror) = e.args + if err != errno.ENOENT: + raise + # Skip broken symlinks + continue + if not s: + continue + # Check its an excutable + if s[stat.ST_MODE] & exec_mask \ + or ((file.startswith(libdir) or file.startswith(base_libdir)) and ".so" in f) \ + or file.endswith('.ko'): + # If it's a symlink, and points to an ELF file, we capture the readlink target + if os.path.islink(file): + continue + + # It's a file (or hardlink), not a link + # ...but is it ELF, and is it already stripped? + elf_file = is_elf(file) + if elf_file & 1: + if elf_file & 2: + if qa_already_stripped: + bb.note("Skipping file %s from %s for already-stripped QA test" % (file[len(dstdir):], pn)) + else: + bb.warn("File '%s' from %s was already stripped, this will prevent future debugging!" % (file[len(dstdir):], pn)) + continue + + if s.st_ino in inodes: + os.unlink(file) + os.link(inodes[s.st_ino], file) + else: + # break hardlinks so that we do not strip the original. + inodes[s.st_ino] = file + bb.utils.copyfile(file, file) + elffiles[file] = elf_file + + # + # Now strip them (in parallel) + # + sfiles = [] + for file in elffiles: + elf_file = int(elffiles[file]) + sfiles.append((file, elf_file, strip_cmd)) + + oe.utils.multiprocess_exec(sfiles, runstrip) + + + def file_translate(file): ft = file.replace("@", "@at@") ft = ft.replace(" ", "@space@") @@ -67,8 +176,7 @@ def filedeprunner(arg): def process_deps(pipe, pkg, pkgdest, provides, requires): file = None - for line in pipe: - line = line.decode("utf-8") + for line in pipe.split("\n"): m = file_re.match(line) if m: @@ -117,12 +225,8 @@ def filedeprunner(arg): return provides, requires - try: - dep_popen = subprocess.Popen(shlex.split(rpmdeps) + pkgfiles, stdout=subprocess.PIPE) - provides, requires = process_deps(dep_popen.stdout, pkg, pkgdest, provides, requires) - except OSError as e: - bb.error("rpmdeps: '%s' command failed, '%s'" % (shlex.split(rpmdeps) + pkgfiles, e)) - raise e + output = subprocess.check_output(shlex.split(rpmdeps) + pkgfiles, stderr=subprocess.STDOUT).decode("utf-8") + provides, requires = process_deps(output, pkg, pkgdest, provides, requires) return (pkg, provides, requires) |