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Diffstat (limited to 'meta/classes/qemu.bbclass')
| -rw-r--r-- | meta/classes/qemu.bbclass | 17 |
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 |