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libbpf, selftests/bpf: Adjust libbpf, bpftool, selftests to match LLVM

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The selftests use
to tell LLVM about special pointers. For LLVM there is nothing "arena"
about them. They are simply pointers in a different address space.
Hence LLVM diff https://github.com/llvm/llvm-project/pull/85161 renamed:
. macro __BPF_FEATURE_ARENA_CAST -> __BPF_FEATURE_ADDR_SPACE_CAST
. global variables in __attribute__((address_space(N))) are now
  placed in section named ".addr_space.N" instead of ".arena.N".

Adjust libbpf, bpftool, and selftests to match LLVM.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20240315021834.62988-3-alexei.starovoitov@gmail.com
This commit is contained in:
Alexei Starovoitov
2024-03-14 19:18:32 -07:00
committed by Andrii Nakryiko
parent d2676a58de
commit 137193b655
1 changed files with 1 additions and 1 deletions
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src/libbpf.c
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@@ -498,7 +498,7 @@ struct bpf_struct_ops {
#define KSYMS_SEC ".ksyms"
#define STRUCT_OPS_SEC ".struct_ops"
#define STRUCT_OPS_LINK_SEC ".struct_ops.link"
#define ARENA_SEC ".arena.1"
#define ARENA_SEC ".addr_space.1"
enum libbpf_map_type {
LIBBPF_MAP_UNSPEC,