diff options
Diffstat (limited to 'tools/perf/trace/beauty/syscalltbl.sh')
-rwxr-xr-x | tools/perf/trace/beauty/syscalltbl.sh | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/syscalltbl.sh b/tools/perf/trace/beauty/syscalltbl.sh new file mode 100755 index 000000000000..1199618dc178 --- /dev/null +++ b/tools/perf/trace/beauty/syscalltbl.sh @@ -0,0 +1,274 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Generate all syscall tables. +# +# Each line of the syscall table should have the following format: +# +# NR ABI NAME [NATIVE] [COMPAT [noreturn]] +# +# NR syscall number +# ABI ABI name +# NAME syscall name +# NATIVE native entry point (optional) +# COMPAT compat entry point (optional) +# noreturn system call doesn't return (optional) +set -e + +usage() { + cat >&2 <<EOF +usage: $0 <TOOLS DIRECTORY> <OUTFILE> + + <TOOLS DIRECTORY> path to kernel tools directory + <OUTFILE> output header file +EOF + exit 1 +} + +if [ $# -ne 2 ]; then + usage +fi +tools_dir=$1 +outfile=$2 + +build_tables() { + infile="$1" + outfile="$2" + abis=$(echo "($3)" | tr ',' '|') + e_machine="$4" + + if [ ! -f "$infile" ] + then + echo "Missing file $infile" + exit 1 + fi + sorted_table=$(mktemp /tmp/syscalltbl.XXXXXX) + grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | sort -n > "$sorted_table" + + echo "static const char *const syscall_num_to_name_${e_machine}[] = {" >> "$outfile" + # the params are: nr abi name entry compat + # use _ for intentionally unused variables according to SC2034 + while read -r nr _ name _ _; do + echo " [$nr] = \"$name\"," >> "$outfile" + done < "$sorted_table" + echo "};" >> "$outfile" + + echo "static const uint16_t syscall_sorted_names_${e_machine}[] = {" >> "$outfile" + + # When sorting by name, add a suffix of 0s upto 20 characters so that + # system calls that differ with a numerical suffix don't sort before + # those without. This default behavior of sort differs from that of + # strcmp used at runtime. Use sed to strip the trailing 0s suffix + # afterwards. + grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | awk '{printf $3; for (i = length($3); i < 20; i++) { printf "0"; }; print " " $1}'| sort | sed 's/\([a-zA-Z1-9]\+\)0\+ \([0-9]\+\)/\1 \2/' > "$sorted_table" + while read -r name nr; do + echo " $nr, /* $name */" >> "$outfile" + done < "$sorted_table" + echo "};" >> "$outfile" + + rm -f "$sorted_table" +} + +rm -f "$outfile" +cat >> "$outfile" <<EOF +#include <elf.h> +#include <stdint.h> +#include <asm/bitsperlong.h> +#include <linux/kernel.h> + +struct syscalltbl { + const char *const *num_to_name; + const uint16_t *sorted_names; + uint16_t e_machine; + uint16_t num_to_name_len; + uint16_t sorted_names_len; +}; + +#if defined(ALL_SYSCALLTBL) || defined(__alpha__) +EOF +build_tables "$tools_dir/perf/arch/alpha/entry/syscalls/syscall.tbl" "$outfile" common,64 EM_ALPHA +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__alpha__) + +#if defined(ALL_SYSCALLTBL) || defined(__arm__) || defined(__aarch64__) +EOF +build_tables "$tools_dir/perf/arch/arm/entry/syscalls/syscall.tbl" "$outfile" common,32,oabi EM_ARM +build_tables "$tools_dir/perf/arch/arm64/entry/syscalls/syscall_64.tbl" "$outfile" common,64,renameat,rlimit,memfd_secret EM_AARCH64 +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__arm__) || defined(__aarch64__) + +#if defined(ALL_SYSCALLTBL) || defined(__csky__) +EOF +build_tables "$tools_dir/scripts/syscall.tbl" "$outfile" common,32,csky,time32,stat64,rlimit EM_CSKY +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__csky__) + +#if defined(ALL_SYSCALLTBL) || defined(__mips__) +EOF +build_tables "$tools_dir/perf/arch/mips/entry/syscalls/syscall_n64.tbl" "$outfile" common,64,n64 EM_MIPS +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__mips__) + +#if defined(ALL_SYSCALLTBL) || defined(__hppa__) +#if __BITS_PER_LONG != 64 +EOF +build_tables "$tools_dir/perf/arch/parisc/entry/syscalls/syscall.tbl" "$outfile" common,32 EM_PARISC +echo "#else" >> "$outfile" +build_tables "$tools_dir/perf/arch/parisc/entry/syscalls/syscall.tbl" "$outfile" common,64 EM_PARISC +cat >> "$outfile" <<EOF +#endif //__BITS_PER_LONG != 64 +#endif // defined(ALL_SYSCALLTBL) || defined(__hppa__) + +#if defined(ALL_SYSCALLTBL) || defined(__powerpc__) || defined(__powerpc64__) +EOF +build_tables "$tools_dir/perf/arch/powerpc/entry/syscalls/syscall.tbl" "$outfile" common,32,nospu EM_PPC +build_tables "$tools_dir/perf/arch/powerpc/entry/syscalls/syscall.tbl" "$outfile" common,64,nospu EM_PPC64 +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__powerpc__) || defined(__powerpc64__) + +#if defined(ALL_SYSCALLTBL) || defined(__riscv) +#if __BITS_PER_LONG != 64 +EOF +build_tables "$tools_dir/scripts/syscall.tbl" "$outfile" common,32,riscv,memfd_secret EM_RISCV +echo "#else" >> "$outfile" +build_tables "$tools_dir/scripts/syscall.tbl" "$outfile" common,64,riscv,rlimit,memfd_secret EM_RISCV +cat >> "$outfile" <<EOF +#endif //__BITS_PER_LONG != 64 +#endif // defined(ALL_SYSCALLTBL) || defined(__riscv) +#if defined(ALL_SYSCALLTBL) || defined(__s390x__) +EOF +build_tables "$tools_dir/perf/arch/s390/entry/syscalls/syscall.tbl" "$outfile" common,64,renameat,rlimit,memfd_secret EM_S390 +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__s390x__) + +#if defined(ALL_SYSCALLTBL) || defined(__sh__) +EOF +build_tables "$tools_dir/perf/arch/sh/entry/syscalls/syscall.tbl" "$outfile" common,32 EM_SH +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__sh__) + +#if defined(ALL_SYSCALLTBL) || defined(__sparc64__) || defined(__sparc__) +#if __BITS_PER_LONG != 64 +EOF +build_tables "$tools_dir/perf/arch/sparc/entry/syscalls/syscall.tbl" "$outfile" common,32 EM_SPARC +echo "#else" >> "$outfile" +build_tables "$tools_dir/perf/arch/sparc/entry/syscalls/syscall.tbl" "$outfile" common,64 EM_SPARC +cat >> "$outfile" <<EOF +#endif //__BITS_PER_LONG != 64 +#endif // defined(ALL_SYSCALLTBL) || defined(__sparc64__) || defined(__sparc__) + +#if defined(ALL_SYSCALLTBL) || defined(__i386__) || defined(__x86_64__) +EOF +build_tables "$tools_dir/perf/arch/x86/entry/syscalls/syscall_32.tbl" "$outfile" common,32,i386 EM_386 +build_tables "$tools_dir/perf/arch/x86/entry/syscalls/syscall_64.tbl" "$outfile" common,64 EM_X86_64 +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__i386__) || defined(__x86_64__) + +#if defined(ALL_SYSCALLTBL) || defined(__xtensa__) +EOF +build_tables "$tools_dir/perf/arch/xtensa/entry/syscalls/syscall.tbl" "$outfile" common,32 EM_XTENSA +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__xtensa__) + +#if __BITS_PER_LONG != 64 +EOF +build_tables "$tools_dir/scripts/syscall.tbl" "$outfile" common,32 EM_NONE +echo "#else" >> "$outfile" +build_tables "$tools_dir/scripts/syscall.tbl" "$outfile" common,64 EM_NONE +echo "#endif //__BITS_PER_LONG != 64" >> "$outfile" + +build_outer_table() { + e_machine=$1 + outfile="$2" + cat >> "$outfile" <<EOF + { + .num_to_name = syscall_num_to_name_$e_machine, + .sorted_names = syscall_sorted_names_$e_machine, + .e_machine = $e_machine, + .num_to_name_len = ARRAY_SIZE(syscall_num_to_name_$e_machine), + .sorted_names_len = ARRAY_SIZE(syscall_sorted_names_$e_machine), + }, +EOF +} + +cat >> "$outfile" <<EOF +static const struct syscalltbl syscalltbls[] = { +#if defined(ALL_SYSCALLTBL) || defined(__alpha__) +EOF +build_outer_table EM_ALPHA "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__alpha__) + +#if defined(ALL_SYSCALLTBL) || defined(__arm__) || defined(__aarch64__) +EOF +build_outer_table EM_ARM "$outfile" +build_outer_table EM_AARCH64 "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__arm__) || defined(__aarch64__) + +#if defined(ALL_SYSCALLTBL) || defined(__csky__) +EOF +build_outer_table EM_CSKY "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__csky__) + +#if defined(ALL_SYSCALLTBL) || defined(__mips__) +EOF +build_outer_table EM_MIPS "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__mips__) + +#if defined(ALL_SYSCALLTBL) || defined(__hppa__) +EOF +build_outer_table EM_PARISC "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__hppa__) + +#if defined(ALL_SYSCALLTBL) || defined(__powerpc__) || defined(__powerpc64__) +EOF +build_outer_table EM_PPC "$outfile" +build_outer_table EM_PPC64 "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__powerpc__) || defined(__powerpc64__) + +#if defined(ALL_SYSCALLTBL) || defined(__riscv) +EOF +build_outer_table EM_RISCV "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__riscv) + +#if defined(ALL_SYSCALLTBL) || defined(__s390x__) +EOF +build_outer_table EM_S390 "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__s390x__) + +#if defined(ALL_SYSCALLTBL) || defined(__sh__) +EOF +build_outer_table EM_SH "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__sh__) + +#if defined(ALL_SYSCALLTBL) || defined(__sparc64__) || defined(__sparc__) +EOF +build_outer_table EM_SPARC "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__sparc64__) || defined(__sparc__) + +#if defined(ALL_SYSCALLTBL) || defined(__i386__) || defined(__x86_64__) +EOF +build_outer_table EM_386 "$outfile" +build_outer_table EM_X86_64 "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__i386__) || defined(__x86_64__) + +#if defined(ALL_SYSCALLTBL) || defined(__xtensa__) +EOF +build_outer_table EM_XTENSA "$outfile" +cat >> "$outfile" <<EOF +#endif // defined(ALL_SYSCALLTBL) || defined(__xtensa__) +EOF +build_outer_table EM_NONE "$outfile" +cat >> "$outfile" <<EOF +}; +EOF |