If a user specifies map_pin_path then the maps should ALWAYS be
pinned by name at that path, or consumed from existing pins.
Add an integration test to verify this logic is functioning as
expected.
Signed-off-by: astoycos <astoycos@redhat.com>
Add coverage to the new public api's for
map pinning (pin and unpin) which can be called
on the generic aya::Map type OR explit map types.
Additionally add coverage for the new libbpf
LIBBPF_PIN_BY_NAME behavior.
Signed-off-by: astoycos <astoycos@redhat.com>
The struct_flavors test previously expected the same thing with and
without relocations. It now expects different values.
Also rename an enum variant "u64" to "S64". This was a typo. Turns out
that U32 is a type that exists in kernel headers, so all enum values are
suffixed with "_VAL".
Remove stdlib.h and the call to exit(). This alone makes the test fail
with a poisoned relocation. Bringing over the map definition makes the
test work again.
This commit fixes the (func|line)_info when we have multiple programs in
the same section. The integration test reloc.bpf.c serves as our test
case here. This required filtering down the (func|line)_info to only
that in scope of the current symbol + then adjusting the offets to
appease the kernel.
Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
Move the use of clang and llvm-objcopy from run-time to build-time. This
allows the integration tests to run on VMs with simpler userlands.
Create a new CI job to build the integration tests separately from
running them. Ship them from that job to the runner job using github
actions artifacts.
This makes a few changes to the way that Aya reads the ELF object
files.
1. To find programs in a section, we use the symbols table. This allows
for cases where multiple programs could appear in the same section.
2. When parsing our ELF file we build symbols_by_section_index as an
optimization as we use it for legacy maps, BTF maps and now programs.
As a result of theses changes the "NAME" used in `bpf.prog_mut("NAME")`
is now ALWAYS the same as the function name in the eBPF code, making the
user experience more consistent.
Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
- Add libbpf as a submodule. This prevents having to plumb its location
around (which can't be passed to Cargo build scripts) and also
controls the version against which codegen has run.
- Move bpf written in C to the integration-test crate and define
constants for each probe.
- Remove magic; each C source file must be directly enumerated in the
build script and in lib.rs.
astoycos
Tamir Duberstein
Dave Tucker