Re: [PATCH v3 3/4] bpftool: add support for ints larger than 128 bits
From: Andrii Nakryiko <hidden>
Date: 2021-01-06 05:14:17
Also in:
bpf, linux-doc, lkml
On Tue, Jan 5, 2021 at 6:45 AM Sean Young [off-list ref] wrote:
clang supports arbitrary length ints using the _ExtInt extension. This can be useful to hold very large values, e.g. 256 bit or 512 bit types. This requires the _ExtInt extension enabled in clang, which is under review. Link: https://clang.llvm.org/docs/LanguageExtensions.html#extended-integer-types Link: https://reviews.llvm.org/D93103 Signed-off-by: Sean Young <sean@mess.org> ---
all the same comments as in patch #1
quoted hunk ↗ jump to hunk
tools/bpf/bpftool/btf_dumper.c | 40 ++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c index 0e9310727281..8b5318ec5c26 100644 --- a/tools/bpf/bpftool/btf_dumper.c +++ b/tools/bpf/bpftool/btf_dumper.c@@ -271,6 +271,41 @@ static void btf_int128_print(json_writer_t *jw, const void *data, } }
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