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authorTobias Hagelborn <tobias.hagelborn@axis.com>2017-06-20 09:42:42 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-06-28 20:54:52 +0100
commita350bfc41e8a19dfdc5b16e5fb8f2b198e7c55c1 (patch)
tree12037314263d2e1a4783ceb51931c057de962ea3 /meta/lib
parent4030274eceaf0b95cac5c54c55c3f91ef45fa9b4 (diff)
downloadopenembedded-core-a350bfc41e8a19dfdc5b16e5fb8f2b198e7c55c1.tar.gz
package.py: Add function strip_execs
Strip all executables in a directory. Utility function placed in oe-package together with run_strip. strip_execs is based on strip_sysroot from staging.bbclass Moving out datastore references in favor of function parameters. Signed-off-by: Tobias Hagelborn <tobiasha@axis.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/lib')
-rw-r--r--meta/lib/oe/package.py105
1 files changed, 105 insertions, 0 deletions
diff --git a/meta/lib/oe/package.py b/meta/lib/oe/package.py
index 52c5f16cf8..43748b277c 100644
--- a/meta/lib/oe/package.py
+++ b/meta/lib/oe/package.py
@@ -45,6 +45,111 @@ 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
+
+ os.chdir(dstdir)
+
+ # Return type (bits):
+ # 0 - not elf
+ # 1 - ELF
+ # 2 - stripped
+ # 4 - executable
+ # 8 - shared library
+ # 16 - kernel module
+ def isELF(path):
+ 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
+
+ # Not stripped
+ if "ELF" in result:
+ type |= 1
+ if "not stripped" not in result:
+ type |= 2
+ if "executable" in result:
+ type |= 4
+ if "shared" in result:
+ type |= 8
+ return type
+
+
+ elffiles = {}
+ inodes = {}
+ libdir = os.path.abspath(dstdir + os.sep + libdir)
+ base_libdir = os.path.abspath(dstdir + os.sep + base_libdir)
+
+ #
+ # 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] & 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 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)
+ 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:
+ inodes[s.st_ino] = file
+ # break hardlink
+ bb.utils.copyfile(file, file)
+ elffiles[file] = elf_file
+
+ #
+ # Now strip them (in parallel)
+ #
+ 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)
+
+
+
def file_translate(file):
ft = file.replace("@", "@at@")
ft = ft.replace(" ", "@space@")