xref: /openbmc/openbmc-tools/bbdbg/bbdbg (revision e310dd91) 
1#!/bin/sh
2
3set -eu
4
5bbdbg_help() {
6    /bin/echo -e "NAME"
7    /bin/echo -e "\tbbdbg - debug applications in a target environment built by bitbake"
8    /bin/echo -e
9    /bin/echo -e "SYNOPSIS"
10    /bin/echo -e "\tbbdbg PATH FILE CORE PACKAGES"
11    /bin/echo -e
12    /bin/echo -e "DESCRIPTION"
13    /bin/echo -e "\tPATH is the path to the root of a bitbake build directory"
14    /bin/echo -e "\tFILE is the absolute path to the binary of interest in the target environment"
15    /bin/echo -e "\tCORE is an optional core file generated by FILE. Pass '-' for no core file"
16    /bin/echo -e "\tPACKAGES will be used to populate a temporary rootfs for debugging FILE"
17    /bin/echo -e
18    /bin/echo -e "EXAMPLE"
19    /bin/echo -e "\tbbdbg ~/src/openbmc/openbmc/build/p10bmc \\"
20    /bin/echo -e "\t\t/usr/bin/nvmesensor - \\"
21    /bin/echo -e "\t\tdbus-sensors dbus-sensors-dbg"
22}
23
24trap bbdbg_help EXIT
25
26BBDBG_PATH=$1; shift
27BBDBG_FILE=$1; shift
28BBDBG_CORE=$1; shift
29BBDBG_PKGS=$@
30
31BBDBG_ROOT=$(mktemp -t --directory bbdbg.XXX)
32BBDBG_LIBS=${BBDBG_PATH}/tmp/sysroots-components/$(uname -m)/libsolv-native/usr/lib:${BBDBG_PATH}/tmp/sysroots-components/$(uname -m)/libarchive-native/usr/lib
33BBDBG_OPKG=${BBDBG_PATH}/tmp/sysroots-components/$(uname -m)/opkg-native/usr/bin/opkg
34BBDBG_CONF=$(find ${BBDBG_PATH}/tmp/work/*/obmc-phosphor-image -name opkg.conf -exec grep -lE ^src \{\} \;)
35
36bbdbg_cleanup() {
37    rm -rf "$BBDBG_ROOT"
38}
39
40trap bbdbg_cleanup EXIT
41
42bbdbg_opkg() {
43    LD_LIBRARY_PATH=${BBDBG_LIBS} $BBDBG_OPKG -V0 -f $BBDBG_CONF -o $BBDBG_ROOT $@
44}
45
46set -x
47bbdbg_opkg update
48bbdbg_opkg install $BBDBG_PKGS
49gdb-multiarch -q \
50    -iex "set solib-absolute-prefix $BBDBG_ROOT" \
51    -iex "add-auto-load-safe-path $BBDBG_ROOT" \
52    -iex "set directories $BBDBG_ROOT" \
53    ${BBDBG_ROOT}${BBDBG_FILE} \
54    $([ '-' = "${BBDBG_CORE}" ] || echo ${BBDBG_CORE})
55set +x
56