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1f63019632
Signed-off-by: Song Gao <gaosong@loongson.cn> Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20220624031049.1716097-5-gaosong@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
105 lines
2.3 KiB
Bash
Executable File
105 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Update syscall_nr.h files from linux headers asm-generic/unistd.h
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#
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# This code is licensed under the GPL version 2 or later. See
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# the COPYING file in the top-level directory.
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#
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linux="$1"
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output="$2"
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TMP=$(mktemp -d)
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if [ "$linux" = "" ] ; then
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echo "Needs path to linux source tree" 1>&2
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exit 1
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fi
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if [ "$output" = "" ] ; then
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output="$PWD"
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fi
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upper()
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{
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echo "$1" | tr "[:lower:]" "[:upper:]" | tr "[:punct:]" "_"
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}
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qemu_arch()
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{
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case "$1" in
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arm64)
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echo "aarch64"
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;;
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*)
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echo "$1"
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;;
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esac
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}
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read_includes()
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{
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arch=$1
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bits=$2
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cpp -P -nostdinc -fdirectives-only \
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-D_UAPI_ASM_$(upper ${arch})_BITSPERLONG_H \
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-D__ASM_$(upper ${arch})_BITSPERLONG_H \
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-D__BITS_PER_LONG=${bits} \
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-I${linux}/arch/${arch}/include/uapi/ \
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-I${linux}/include/uapi \
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-I${TMP} \
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"${linux}/arch/${arch}/include/uapi/asm/unistd.h"
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}
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filter_defines()
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{
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grep -e "#define __NR_" -e "#define __NR3264"
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}
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rename_defines()
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{
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sed "s/ __NR_/ TARGET_NR_/g;s/(__NR_/(TARGET_NR_/g"
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}
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evaluate_values()
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{
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sed "s/#define TARGET_NR_/QEMU TARGET_NR_/" | \
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cpp -P -nostdinc | \
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sed "s/^QEMU /#define /"
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}
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generate_syscall_nr()
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{
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arch=$1
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bits=$2
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file="$3"
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guard="$(upper LINUX_USER_$(qemu_arch $arch)_$(basename "$file"))"
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(echo "/*"
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echo " * This file contains the system call numbers."
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echo " * Do not modify."
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echo " * This file is generated by scripts/gensyscalls.sh"
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echo " */"
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echo "#ifndef ${guard}"
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echo "#define ${guard}"
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echo
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read_includes $arch $bits | filter_defines | rename_defines | \
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evaluate_values | sort -n -k 3
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echo
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echo "#endif /* ${guard} */") > "$file"
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}
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mkdir "$TMP/asm"
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> "$TMP/asm/bitsperlong.h"
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generate_syscall_nr arm64 64 "$output/linux-user/aarch64/syscall_nr.h"
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generate_syscall_nr nios2 32 "$output/linux-user/nios2/syscall_nr.h"
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generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h"
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generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h"
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generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h"
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generate_syscall_nr hexagon 32 "$output/linux-user/hexagon/syscall_nr.h"
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generate_syscall_nr loongarch 64 "$output/linux-user/loongarch64/syscall_nr.h"
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rm -fr "$TMP"
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