34 lines
843 B
Bash
34 lines
843 B
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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in="$1"
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out="$2"
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align=1
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fileguard=_ASM_ARM_`basename "$out" | sed \
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-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
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-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
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grep -E "^[0-9A-Fa-fXx]+[[:space:]]+" "$in" | sort -n | tail -n1 | (
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echo "#ifndef ${fileguard}
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#define ${fileguard} 1
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/*
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* This needs to be greater than __NR_last_syscall+1 in order to account
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* for the padding in the syscall table.
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*/
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"
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while read nr abi name entry; do
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nr=$(($nr + 1))
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while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do
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align=$(( $align * 4 ))
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done
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nr=$(( ($nr + $align - 1) & ~($align - 1) ))
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echo "/* aligned to $align */"
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echo "#define __NR_syscalls $nr"
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done
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echo ""
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echo "#endif /* ${fileguard} */"
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) > "$out"
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