* Support stripping of .ko modules verifying file extension and check of content "vermagic=" * Minor refactoring (removing lint errors)
Signed-off-by: Tobias Hagelborn <tobia...@axis.com> --- meta/lib/oe/package.py | 44 +++++++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 19 deletions(-) diff --git a/meta/lib/oe/package.py b/meta/lib/oe/package.py index a79c668..4daee59 100644 --- a/meta/lib/oe/package.py +++ b/meta/lib/oe/package.py @@ -56,9 +56,12 @@ def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, qa_already_stripped= :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 + import stat, errno, oe.path, oe.utils, mmap - os.chdir(dstdir) + # 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 @@ -67,31 +70,33 @@ def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, qa_already_stripped= # 4 - executable # 8 - shared library # 16 - kernel module - def isELF(path): - type = 0 - ret, result = oe.utils.getstatusoutput("file \"%s\"" % path.replace("\"", "\\\"")) + 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 type + return exec_type # Not stripped if "ELF" in result: - type |= 1 + exec_type |= 1 if "not stripped" not in result: - type |= 2 + exec_type |= 2 if "executable" in result: - type |= 4 + exec_type |= 4 if "shared" in result: - type |= 8 - return type - + 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) - + libdir = os.path.abspath(os.path.join(dstdir, libdir.lstrip(os.sep))) + base_libdir = os.path.abspath(os.path.join(dstdir, base_libdir.lstrip(os.sep))) + exec_mask = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH # # First lets figure out all of the files we may have to process # @@ -111,15 +116,16 @@ def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, qa_already_stripped= if not s: continue # Check its an excutable - if (s[stat.ST_MODE] & stat.S_IXUSR) or (s[stat.ST_MODE] & stat.S_IXGRP) or (s[stat.ST_MODE] & stat.S_IXOTH) \ - or ((file.startswith(libdir) or file.startswith(base_libdir)) and ".so" in f): + 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 = isELF(file) + elf_file = is_elf(file) if elf_file & 1: if elf_file & 2: if qa_already_stripped: @@ -132,6 +138,7 @@ def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, qa_already_stripped= 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 # break hardlink bb.utils.copyfile(file, file) @@ -143,7 +150,6 @@ def strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, qa_already_stripped= sfiles = [] for file in elffiles: elf_file = int(elffiles[file]) - #bb.note("Strip %s" % file) sfiles.append((file, elf_file, strip_cmd)) oe.utils.multiprocess_exec(sfiles, runstrip) -- 2.1.4 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core