Add automatic generation of -dbg packages. These contain the debug symbols that are stripped from binaries and the symbols are linked to the original binaries via the gnu-debuglink section. If the -dbg packages are installed, oprofile and gdb will use them for symbol lookup.

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@546 311d38ba-8fff-0310-9ca6-ca027cbcb966

2 files changed, 21 insertions, 10 deletions

diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
index 9edcc1e5ed..6365748956 100644
--- a/meta/classes/package.bbclass
+++ b/meta/classes/package.bbclass
@@ -177,8 +177,10 @@ runstrip() {
                         ro=1
                         chmod +w "$1"
                 }
+                '${OBJCOPY}' --only-keep-debug "$1" "$1.dbg"
                 '${STRIP}' "$1"
                 st=$?
+                '${OBJCOPY}' --add-gnu-debuglink="$1.dbg" "$1"
                 test -n "$ro" && chmod -w "$1"
                 if test $st -ne 0
                 then
@@ -249,6 +251,21 @@ python populate_packages () {
                         bb.error("%s is listed in PACKAGES mutliple times. Undefined behaviour will result." % pkg)
                 pkgs += pkg
 
+        if (bb.data.getVar('INHIBIT_PACKAGE_STRIP', d, 1) != '1'):
+                stripfunc = ""
+                for root, dirs, files in os.walk(dvar):
+                        for f in files:
+                                file = os.path.join(root, f)
+                                if not os.path.islink(file) and isexec(file):
+                                        stripfunc += "\trunstrip %s || st=1\n" % (file)
+                if not stripfunc == "":
+                        from bb import build
+                        localdata = bb.data.createCopy(d)
+                        # strip
+                        bb.data.setVar('RUNSTRIP', '\tlocal st\n\tst=0\n%s\treturn $st' % stripfunc, localdata)
+                        bb.data.setVarFlag('RUNSTRIP', 'func', 1, localdata)
+                        bb.build.exec_func('RUNSTRIP', localdata)
+
         for pkg in packages.split():
                 localdata = bb.data.createCopy(d)
                 root = os.path.join(workdir, "install", pkg)
@@ -273,7 +290,6 @@ python populate_packages () {
                 bb.mkdirhier(root)
                 filesvar = bb.data.getVar('FILES', localdata, 1) or ""
                 files = filesvar.split()
-                stripfunc = ""
                 for file in files:
                         if os.path.isabs(file):
                                 file = '.' + file
@@ -293,17 +309,9 @@ python populate_packages () {
                         fpath = os.path.join(root,file)
                         dpath = os.path.dirname(fpath)
                         bb.mkdirhier(dpath)
-                        if (bb.data.getVar('INHIBIT_PACKAGE_STRIP', d, 1) != '1') and not os.path.islink(file) and isexec(file):
-                                stripfunc += "\trunstrip %s || st=1\n" % fpath
                         ret = bb.movefile(file,fpath)
                         if ret is None or ret == 0:
                                 raise bb.build.FuncFailed("File population failed")
-                if not stripfunc == "":
-                        from bb import build
-                        # strip
-                        bb.data.setVar('RUNSTRIP', '\tlocal st\n\tst=0\n%s\treturn $st' % stripfunc, localdata)
-                        bb.data.setVarFlag('RUNSTRIP', 'func', 1, localdata)
-                        bb.build.exec_func('RUNSTRIP', localdata)
                 del localdata
         os.chdir(workdir)
 
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 529405a3eb..6c15ef71b4 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -102,7 +102,7 @@ PROVIDES = ""
 PROVIDES_prepend = "${P} ${PF} ${PN} "
 RPROVIDES = ""
 
-PACKAGES = "${PN} ${PN}-doc ${PN}-dev ${PN}-locale"
+PACKAGES = "${PN}-dbg ${PN} ${PN}-doc ${PN}-dev ${PN}-locale"
 FILES = ""
 FILES_${PN} = "${bindir} ${sbindir} ${libexecdir} ${libdir}/lib*.so.* \
             ${sysconfdir} ${sharedstatedir} ${localstatedir} \
@@ -118,6 +118,8 @@ FILES_${PN}-dev = "${includedir} ${libdir}/lib*.so ${libdir}/*.la \
                 ${libdir}/*.a ${libdir}/*.o ${libdir}/pkgconfig \
                 /lib/*.a /lib/*.o ${datadir}/aclocal"
 FILES_${PN}-locale = "${datadir}/locale"
+FILES_${PN}-dbg = "${bindir}/*.dbg ${sbindir}/*.dbg ${libexecdir}/*.dbg ${libdir}/lib*.so.*.dbg \
+            /bin/*.dbg /sbin/*.dbg /lib/*.so*.dbg ${libdir}/${PN}/*.dbg"
 
 # File manifest
 
@@ -222,6 +224,7 @@ export AR = "${HOST_PREFIX}ar"
 export AS = "${HOST_PREFIX}as"
 export RANLIB = "${HOST_PREFIX}ranlib"
 export STRIP = "${HOST_PREFIX}strip"
+export OBJCOPY = "${HOST_PREFIX}objcopy"
 
 export BUILD_CC = "${CCACHE}${BUILD_PREFIX}gcc ${BUILD_CC_ARCH}"
 export BUILD_CXX = "${CCACHE}${BUILD_PREFIX}g++ ${BUILD_CC_ARCH}"