Andrii Nakryiko 46688687d5 sync: latest libbpf changes from kernel
Syncing latest libbpf commits from kernel repository.
Baseline bpf-next commit:   02dc96ef6c25f990452c114c59d75c368a1f4c8f
Checkpoint bpf-next commit: f05c2001ecc98629cecd47728e4db11e5a17e58d
Baseline bpf commit:        1bd63524593b964934a33afd442df16b8f90e2b5
Checkpoint bpf commit:      106c35dda32f8b63f88cad7433f1b8bb0056958a

Andrii Nakryiko (7):
  libbpf: Bump current version to v0.0.6
  libbpf: stop enforcing kern_version, populate it for users
  libbpf: add bpf_object__open_{file, mem} w/ extensible opts
  libbpf: fix bpf_object__name() to actually return object name
  uapi/bpf: fix helper docs
  libbpf: Move bpf_{helpers, helper_defs, endian, tracing}.h into libbpf
  libbpf: Add BPF_CORE_READ/BPF_CORE_READ_INTO helpers

 include/uapi/linux/bpf.h |  32 +++----
 src/bpf_core_read.h      | 167 +++++++++++++++++++++++++++++++++
 src/bpf_endian.h         |  72 +++++++++++++++
 src/bpf_helpers.h        |  41 ++++++++
 src/bpf_tracing.h        | 195 +++++++++++++++++++++++++++++++++++++++
 src/libbpf.c             | 183 ++++++++++++++++++------------------
 src/libbpf.h             |  48 +++++++++-
 src/libbpf.map           |   6 ++
 src/libbpf_internal.h    |  32 +++++++
 9 files changed, 661 insertions(+), 115 deletions(-)
 create mode 100644 src/bpf_core_read.h
 create mode 100644 src/bpf_endian.h
 create mode 100644 src/bpf_helpers.h
 create mode 100644 src/bpf_tracing.h

--
2.17.1
2019-10-09 14:42:45 -07:00
2019-10-09 14:42:45 -07:00

This is a mirror of bpf-next linux tree's tools/lib/bpf directory plus its supporting header files.

The following files will by sync'ed with bpf-next repo:

  • src/ <-> bpf-next/tools/lib/bpf/
  • include/uapi/linux/bpf_common.h <-> bpf-next/tools/include/uapi/linux/bpf_common.h
  • include/uapi/linux/bpf.h <-> bpf-next/tools/include/uapi/linux/bpf.h
  • include/uapi/linux/btf.h <-> bpf-next/tools/include/uapi/linux/btf.h
  • include/uapi/linux/if_link.h <-> bpf-next/tools/include/uapi/linux/if_link.h
  • include/uapi/linux/if_xdp.h <-> bpf-next/tools/include/uapi/linux/if_xdp.h
  • include/uapi/linux/netlink.h <-> bpf-next/tools/include/uapi/linux/netlink.h
  • include/tools/libc_compat.h <-> bpf-next/tools/include/tools/libc_compat.h

Other header files at this repo (include/linux/*.h) are reduced versions of their counterpart files at bpf-next's tools/include/linux/*.h to make compilation successful.

Build Build Status

libelf is an internal dependency of libbpf and thus it is required to link against and must be installed on the system for applications to work. pkg-config is used by default to find libelf, and the program called can be overridden with PKG_CONFIG. If using pkg-config at build time is not desired, it can be disabled by setting NO_PKG_CONFIG=1 when calling make.

To build both static libbpf.a and shared libbpf.so:

$ cd src
$ make

To build only static libbpf.a library in directory build/ and install them together with libbpf headers in a staging directory root/:

$ cd src
$ mkdir build root
$ BUILD_STATIC_ONLY=y OBJDIR=build DESTDIR=root make install

To build both static libbpf.a and shared libbpf.so against a custom libelf dependency installed in /build/root/ and install them together with libbpf headers in a build directory /build/root/:

$ cd src
$ PKG_CONFIG_PATH=/build/root/lib64/pkgconfig DESTDIR=/build/root make install
Description
Automated upstream mirror for libbpf stand-alone build.
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