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authorWade Farnsworth <wade_farnsworth@mentor.com>2012-02-06 07:49:14 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2012-02-08 00:50:24 +0000
commit98a994acff338bfcb886d55156d3acdaa52601b9 (patch)
treecc1a9dad3752090758a67e1e827b297b69bfed0a /meta/recipes-kernel/systemtap/systemtap-uprobes_git.bb
parentc2c215b8879be45c367c7986825085789c9985ff (diff)
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systemtap: build and install uprobes.ko
SystemTap needs to provide uprobes.ko in order to support user space probing. Build and install the module on systems that support it. Additionally, split off common bits into systemtap_git.inc. (From OE-Core rev: 3cc4ba935444240b93abdc726342658ada803118) Signed-off-by: Wade Farnsworth <wade_farnsworth@mentor.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-kernel/systemtap/systemtap-uprobes_git.bb')
-rw-r--r--meta/recipes-kernel/systemtap/systemtap-uprobes_git.bb42
1 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-kernel/systemtap/systemtap-uprobes_git.bb b/meta/recipes-kernel/systemtap/systemtap-uprobes_git.bb
new file mode 100644
index 0000000000..7fa674853b
--- /dev/null
+++ b/meta/recipes-kernel/systemtap/systemtap-uprobes_git.bb
@@ -0,0 +1,42 @@
+DESCRIPTION = "UProbes kernel module for SystemTap"
+
+require systemtap_git.inc
+
+DEPENDS = "systemtap virtual/kernel"
+
+PR = "r0"
+
+# On systems without CONFIG_UTRACE, this package is empty.
+ALLOW_EMPTY_${PN} = 1
+
+inherit module-base gettext
+
+FILES_${PN} += "${datadir}/systemtap/runtime/uprobes"
+
+EXTRA_OEMAKE = ""
+
+# Compile and install the uprobes kernel module on machines with utrace
+# support. Note that staprun expects it in the systemtap/runtime directory,
+# not in /lib/modules.
+do_compile() {
+ if grep -q "CONFIG_UTRACE=y" ${STAGING_KERNEL_DIR}/.config
+ then
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS CC LD CPP
+ oe_runmake CC="${KERNEL_CC}" LD="${KERNEL_LD}" \
+ AR="${KERNEL_AR}" \
+ -C ${STAGING_KERNEL_DIR} scripts
+ oe_runmake KDIR=${STAGING_KERNEL_DIR} \
+ M="${S}/runtime/uprobes/" \
+ CC="${KERNEL_CC}" LD="${KERNEL_LD}" \
+ AR="${KERNEL_AR}" \
+ -C "${S}/runtime/uprobes/"
+ fi
+}
+
+do_install() {
+ if [ -e "${S}/runtime/uprobes/uprobes.ko" ]
+ then
+ install -d ${D}/usr/share/systemtap/runtime/uprobes/
+ install -m 0644 ${S}/runtime/uprobes/uprobes.ko ${D}/usr/share/systemtap/runtime/uprobes/
+ fi
+}