Harish Sadineni cdf9d099b9
bcc: Add riscv syscall prefix detection in C++ API
Fixes issue where bpf.get_syscall_fnname() on riscv64 returns bare syscall
name instead of the prefixed _riscv_sys variant, causing kprobe
attachment failures.

Upstream-Status: Submitted [https://github.com/iovisor/bcc/pull/5490]

Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
2026-03-17 13:25:15 -07:00

96 lines
4.2 KiB
BlitzBasic

SUMMARY = "BPF Compiler Collection (BCC)"
HOMEPAGE = "https://github.com/iovisor/bcc"
LICENSE = "Apache-2.0"
LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=e3fc50a88d0a364313df4b21ef20c29e"
inherit cmake python3native manpages ptest
DEPENDS += "bison-native \
flex-native \
zip-native \
flex \
elfutils \
clang \
libbpf \
python3-setuptools-native \
"
RDEPENDS:${PN} += "bash python3 python3-core python3-setuptools xz"
RDEPENDS:${PN}-ptest = "kernel-devsrc packagegroup-core-buildessential cmake bash python3 python3-netaddr python3-pyroute2"
SRC_URI = "gitsm://github.com/iovisor/bcc;branch=master;protocol=https;tag=v${PV} \
file://0001-CMakeLists.txt-override-the-PY_CMD_ESCAPED.patch \
file://0001-Vendor-just-enough-extra-headers-to-allow-libbpf-to-.patch \
file://0001-Fix-a-build-failure-with-clang21-5369.patch \
file://0001-Add-ARM64-syscall-prefix-detection-in-C-API.patch \
file://0002-Add-riscv-syscall-prefix-detection-in-C-API.patch \
file://run-ptest \
file://ptest_wrapper.sh \
file://fix_for_memleak.patch \
"
SRCREV = "c31a1ca305f787ba53e001ead45ebf65233a32cf"
PACKAGECONFIG ??= "examples"
PACKAGECONFIG:remove:libc-musl = "examples"
PACKAGECONFIG[manpages] = "-DENABLE_MAN=ON,-DENABLE_MAN=OFF,"
PACKAGECONFIG[examples] = "-DENABLE_EXAMPLES=ON,-DENABLE_EXAMPLES=OFF,"
EXTRA_OECMAKE = " \
-DREVISION='${PV}' \
-DCMAKE_USE_LIBBPF_PACKAGE=ON \
-DENABLE_LLVM_SHARED=ON \
-DENABLE_CLANG_JIT=ON \
-DPY_SKIP_DEB_LAYOUT=ON \
-DPYTHON_CMD=${PYTHON} \
-DPYTHON_FLAGS=--install-lib=${PYTHON_SITEPACKAGES_DIR} \
"
# Avoid stripping debuginfo.so to fix some tests.
INHIBIT_PACKAGE_STRIP = "1"
INHIBIT_PACKAGE_DEBUG_SPLIT = "1"
do_install:append() {
sed -e 's@#!/usr/bin/env python@#!/usr/bin/env python3@g' \
-i $(find ${D}${datadir}/${PN} -type f)
sed -e 's@#!/usr/bin/python.*@#!/usr/bin/env python3@g' \
-i $(find ${D}${datadir}/${PN} -type f)
rm -rf ${D}${datadir}/bcc/examples/lua
}
do_install_ptest() {
install -d ${D}${PTEST_PATH}/tests/cc
# ptest searches for shared libs and archive files in the build folder.
# Hence, these files are copied to the image to fix these tests.
install -d ${D}${B}/tests/cc
install ${B}/tests/cc/archive.zip ${B}/tests/cc/libdebuginfo_test_lib.so ${B}/tests/cc/with_gnu_debuglink.so ${B}/tests/cc/with_gnu_debugdata.so ${B}/tests/cc/debuginfo.so ${D}${B}/tests/cc
install -d ${D}/opt
install ${B}/tests/cc/test_libbcc_no_libbpf ${B}/tests/cc/libusdt_test_lib.so ${D}${PTEST_PATH}/tests/cc
cp -rf ${S}/tests/python ${D}${PTEST_PATH}/tests/python
install ${UNPACKDIR}/ptest_wrapper.sh ${D}${PTEST_PATH}/tests
install ${S}/examples/networking/simulation.py ${D}${PTEST_PATH}/tests/python
find ${S}/tools/ -type f -name "*.py" -exec \
sed -i \
-e 's@^#! */usr/bin/env python$@#!/usr/bin/env python3@' \
-e 's@^#! */usr/bin/python.*@#!/usr/bin/env python3@' {} +
cp -rf ${S}/tools/ ${D}${PTEST_PATH}/../../tools/
}
FILES:${PN} += "${PYTHON_SITEPACKAGES_DIR}"
FILES:${PN} += "${B}/tests/cc"
FILES:${PN}-ptest += "${libdir}/libbcc.so"
FILES:${PN}-ptest += "${libdir}/tools/"
FILES:${PN}-ptest += "/opt/"
FILES:${PN}-doc += "${datadir}/${PN}/man"
COMPATIBLE_HOST = "(x86_64.*|aarch64.*|powerpc64.*|riscv64.*)-linux"
# WARNING: bcc-0.30.0+git-r0 do_package_qa: QA Issue: File /usr/lib/bcc/ptest/tests/cc/test_libbcc_no_libbpf in package bcc-ptest contains reference to TMPDIR [buildpaths]
# this one is difficult to resolve, because the tests use CMAKE_CURRENT_BINARY_DIR directly in .cc e.g.:
# https://github.com/iovisor/bcc/commit/7271bfc946a19413761be2e3c60c48bf72c5eea1#diff-233a0bfa490f3d7466c49935b64c86dd93956bbc0461f5af703b344cf6601461
# we would probably need to use separate variable for "runtime" path for test assets from the standard CMAKE_CURRENT_BINARY_DIR variable or use relative
# path from the test binary
WARN_QA:append = "${@bb.utils.contains('PTEST_ENABLED', '1', ' buildpaths', '', d)}"
ERROR_QA:remove = "${@bb.utils.contains('PTEST_ENABLED', '1', 'buildpaths', '', d)}"