diff options
| author | Yonghong Song <[email protected]> | 2022-08-31 08:26:46 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2022-09-06 19:51:14 -0700 |
| commit | 720e6a435194fb5237833a4a7ec6aa60a78964a8 (patch) | |
| tree | c93447defab4fe640644d503afab8a2022315d4e /tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | |
| parent | 1e660f7ebe0ff6ac65ee0000280392d878630a67 (diff) | |
bpf: Allow struct argument in trampoline based programs
Allow struct argument in trampoline based programs where
the struct size should be <= 16 bytes. In such cases, the argument
will be put into up to 2 registers for bpf, x86_64 and arm64
architectures.
To support arch-specific trampoline manipulation,
add arg_flags for additional struct information about arguments
in btf_func_model. Such information will be used in arch specific
function arch_prepare_bpf_trampoline() to prepare argument access
properly in trampoline.
Signed-off-by: Yonghong Song <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c')
0 files changed, 0 insertions, 0 deletions