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authorLaurentiu Palcu <laurentiu.palcu@intel.com>2012-12-20 15:15:38 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2013-01-10 23:43:15 +0000
commitaab3c1306ff99d593966a192ad7c4678b605b8bd (patch)
treef4189d365c9daef31a20467619f523899c0005c0 /meta/classes/qemu.bbclass
parentf1b530fb2fa7367e461a54e78003590a52c956f2 (diff)
downloadopenembedded-core-contrib-aab3c1306ff99d593966a192ad7c4678b605b8bd.tar.gz
qemu.bbclass: add qemu_run_binary() function
[YOCTO #3602] (From OE-Core rev: 2cfbe0bd9d02ab8c054e5bc879a2181c6a7e3719) Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/qemu.bbclass')
-rw-r--r--meta/classes/qemu.bbclass17
1 files changed, 17 insertions, 0 deletions
diff --git a/meta/classes/qemu.bbclass b/meta/classes/qemu.bbclass
index aead8e2809..13af3390aa 100644
--- a/meta/classes/qemu.bbclass
+++ b/meta/classes/qemu.bbclass
@@ -13,3 +13,20 @@ def qemu_target_binary(data):
target_arch = "ppc64"
return "qemu-" + target_arch
+#
+# Next function will return a string containing the command that is needed to
+# to run a certain binary through qemu. For example, in order to make a certain
+# postinstall scriptlet run at do_rootfs time and running the postinstall is
+# architecture dependent, we can run it through qemu. For example, in the
+# postinstall scriptlet, we could use the following:
+#
+# ${@qemu_run_binary(d, '$D', '/usr/bin/test_app')} [test_app arguments]
+#
+def qemu_run_binary(data, rootfs_path, binary):
+ dynamic_loader = rootfs_path + '$(readelf -l ' + rootfs_path + \
+ binary + '| grep "Requesting program interpreter"|sed -e \'s/^.*\[.*: \(.*\)\]/\\1/\')'
+ library_path = rootfs_path + data.getVar("base_libdir", True) + ":" + \
+ rootfs_path + data.getVar("libdir", True)
+
+ return qemu_target_binary(data) + " " + dynamic_loader + " --library-path " + library_path \
+ + " " + rootfs_path + binary