mirror of
https://chromium.googlesource.com/crosvm/crosvm
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ac0b33ad9f
This replaces the bindgen-based bindings with Rust libc crate types and constants where possible, so our custom bindings are significantly reduced. BUG=b:218388029 TEST=tools/presubmit --quick Change-Id: I7f20ecf5ccd651456f9a23ce7964fdbd0e8064ef Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3339851 Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
55 lines
1.6 KiB
Bash
Executable file
55 lines
1.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Copyright 2022 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Regenerate net_sys bindgen bindings.
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set -euo pipefail
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cd "$(dirname "${BASH_SOURCE[0]}")/.."
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source tools/impl/bindgen-common.sh
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# Replace definition of struct sockaddr with an import of libc::sockaddr.
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replace_sockaddr_libc() {
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# Match the following structure definition across multiple lines:
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#
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# #[repr(C)]
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# #[derive(Debug, Default, Copy, Clone)]
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# pub struct sockaddr {
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# pub sa_family: sa_family_t,
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# pub sa_data: [::std::os::raw::c_char; 14usize],
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# }
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sed -E \
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-e '1h;2,$H;$!d;g' \
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-e 's/#\[repr\(C\)\]\n#\[derive\([^)]+\)\]\npub struct sockaddr \{\n( pub [^\n]+\n)+\}/\nuse libc::sockaddr;\n/'
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}
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# Remove custom sa_family_t type in favor of libc::sa_family_t.
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remove_sa_family_t() {
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grep -v "pub type sa_family_t = "
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}
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bindgen_generate \
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--allowlist-type='ifreq' \
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--allowlist-type='net_device_flags' \
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--bitfield-enum='net_device_flags' \
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"${BINDGEN_LINUX_X86_HEADERS}/include/linux/if.h" \
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| replace_linux_int_types \
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| replace_sockaddr_libc \
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| remove_sa_family_t \
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| rustfmt \
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> net_sys/src/iff.rs
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bindgen_generate \
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--allowlist-type='sock_fprog' \
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--allowlist-var='TUN_.*' \
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"${BINDGEN_LINUX}/include/uapi/linux/if_tun.h" \
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| replace_linux_int_types \
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> net_sys/src/if_tun.rs
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bindgen_generate \
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--allowlist-var='SIOC.*' \
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"${BINDGEN_LINUX}/include/uapi/linux/sockios.h" \
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| replace_linux_int_types \
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> net_sys/src/sockios.rs
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