external-csl-toolchain: extract version info from the toolchain

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 107 insertions, 0 deletions

diff --git a/meta/conf/distro/include/csl-versions.inc b/meta/conf/distro/include/csl-versions.inc
new file mode 100644
index 0000000000..22e83946a1
--- /dev/null
+++ b/meta/conf/distro/include/csl-versions.inc
@@ -0,0 +1,105 @@
+def csl_run(d, cmd, *args):
+	import bb.process
+	import subprocess
+
+	topdir = d.getVar('TOPDIR', True)
+	toolchain_path = d.getVar('EXTERNAL_TOOLCHAIN', True)
+	if not toolchain_path:
+		return 'UNKNOWN', 'UNKNOWN'
+
+	target_prefix = d.getVar('TARGET_PREFIX', True)
+	path = os.path.join(toolchain_path, 'bin', target_prefix + cmd)
+	args = [path] + list(args)
+
+	return bb.process.run(args, cwd=topdir, stderr=subprocess.PIPE)
+
+def csl_get_version(d):
+        try:
+		stdout, stderr = csl_run(d, 'gcc', '-v')
+	except bb.process.CmdError as exc:
+		bb.error('Failed to obtain CodeSourcery toolchain version: %s' % exc)
+		return 'UNKNOWN'
+	else:
+		last_line = stderr.splitlines()[-1]
+		return last_line
+
+def csl_get_main_version(d):
+	version = csl_get_version(d)
+	if version != 'UNKNOWN':
+		return version.split()[-1].rstrip(')')
+	else:
+		return version
+
+def csl_get_gcc_version(d):
+	version = csl_get_version(d)
+	if version != 'UNKNOWN':
+		return version.split()[2]
+	else:
+		return version
+
+def csl_get_libc_version(d):
+	import os,bb
+	syspath = bb.data.expand('${EXTERNAL_TOOLCHAIN}/${CSL_TARGET_SYS}', d)
+	if not syspath:
+	        return 'UNKNOWN'
+
+	libpath = syspath + '/libc/lib/'
+	if not os.path.exists(libpath):
+		libpath = syspath + '/libc/sgxx-glibc/lib/'
+
+	if os.path.exists(libpath):
+		for file in os.listdir(libpath):
+			if file.find('libc-') == 0:
+				return file[5:-3]
+	return 'UNKNOWN'
+
+def csl_get_kernel_version(d):
+	import os,bb
+	syspath = bb.data.expand('${EXTERNAL_TOOLCHAIN}/${CSL_TARGET_SYS}', d)
+	if not syspath:
+	        return 'UNKNOWN'
+
+	vf = syspath + '/libc/usr/include/linux/version.h'
+	if not os.path.exists(vf):
+		vf = syspath + '/libc/sgxx-glibc/usr/include/linux/version.h'
+
+	try:
+		f = open(vf, 'r')
+	except (OSError, IOError):
+		return 'UNKNOWN'
+
+	l = f.readlines();
+	f.close();
+	for s in l:
+		if s.find('LINUX_VERSION_CODE') > 0:
+			ver = int(s.split()[2])
+			maj = ver / 65536
+			ver = ver % 65536
+			min = ver / 256
+			ver = ver % 256
+			return str(maj)+'.'+str(min)+'.'+str(ver)
+	return 'UNKNOWN'
+
+def csl_get_gdb_version(d):
+	try:
+		stdout, stderr = csl_run(d, 'gdb', '-v')
+	except CmdError:
+		return 'UNKNOWN'
+	else:
+		first_line = stdout.splitlines()[0]
+		return first_line.split()[-1]
+
+python csl_version_handler () {
+    if not isinstance(e, bb.event.ConfigParsed):
+        return
+    d = e.data
+    ld = d.createCopy()
+    ld.finalize()
+
+    d.setVar('CSL_VER_MAIN', csl_get_main_version(ld))
+    d.setVar('CSL_VER_GCC', csl_get_gcc_version(ld))
+    d.setVar('CSL_VER_LIBC', csl_get_libc_version(ld))
+    d.setVar('CSL_VER_KERNEL', csl_get_kernel_version(ld))
+    d.setVar('CSL_VER_GDB', csl_get_gdb_version(ld))
+}
+addhandler csl_version_handler
diff --git a/meta/conf/distro/include/tcmode-external-csl.inc b/meta/conf/distro/include/tcmode-external-csl.inc
index 0135590060..1ff808d9e7 100644
--- a/meta/conf/distro/include/tcmode-external-csl.inc
+++ b/meta/conf/distro/include/tcmode-external-csl.inc
@@ -108,3 +108,5 @@ def populate_toolchain_links(d):
             if exc.errno == errno.EEXIST:
                 break
             bb.fatal("Unable to populate toolchain binary symlink for %s: %s" % (newpath, exc))
+
+require conf/distro/include/csl-versions.inc