17 lines
565 B
Bash
17 lines
565 B
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# is_rust_module.sh module.ko
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#
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# Returns `0` if `module.ko` is a Rust module, `1` otherwise.
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set -e
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# Using the `16_` prefix ensures other symbols with the same substring
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# are not picked up (even if it would be unlikely). The last part is
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# used just in case LLVM decides to use the `.` suffix.
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#
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# In the future, checking for the `.comment` section may be another
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# option, see https://github.com/rust-lang/rust/pull/97550.
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${NM} "$*" | grep -qE '^[0-9a-fA-F]+ r _R[^[:space:]]+16___IS_RUST_MODULE[^[:space:]]*$'
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