perf powerpc: Generate system call table from asm/unistd.h

HAVE_KVM_STAT_SUPPORT := 1

PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1

PERF_HAVE_JITDUMP := 1

#

# Syscall table generation for perf

#

out    := $(OUTPUT)arch/powerpc/include/generated/asm

header32 := $(out)/syscalls_32.c

header64 := $(out)/syscalls_64.c

sysdef := $(srctree)/tools/arch/powerpc/include/uapi/asm/unistd.h

sysprf := $(srctree)/tools/perf/arch/powerpc/entry/syscalls/

systbl := $(sysprf)/mksyscalltbl

# Create output directory if not already present

_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')

$(header64): $(sysdef) $(systbl)

	$(Q)$(SHELL) '$(systbl)' '64' '$(CC)' $(sysdef) > $@

$(header32): $(sysdef) $(systbl)

	$(Q)$(SHELL) '$(systbl)' '32' '$(CC)' $(sysdef) > $@

clean::

	$(call QUIET_CLEAN, powerpc) $(RM) $(header32) $(header64)

archheaders: $(header32) $(header64)

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

#

# Generate system call table for perf. Derived from

# s390 script.

#

# Copyright IBM Corp. 2017

# Author(s):  Hendrik Brueckner <brueckner@linux.vnet.ibm.com>

# Changed by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>

wordsize=$1

gcc=$2

input=$3

if ! test -r $input; then

	echo "Could not read input file" >&2

	exit 1

fi

create_table()

{

	local wordsize=$1

	local max_nr

	echo "static const char *syscalltbl_powerpc_${wordsize}[] = {"

	while read sc nr; do

		printf '\t[%d] = "%s",\n' $nr $sc

		max_nr=$nr

	done

	echo '};'

	echo "#define SYSCALLTBL_POWERPC_${wordsize}_MAX_ID $max_nr"

}

$gcc -m${wordsize} -E -dM -x c  $input	       \

	|sed -ne 's/^#define __NR_//p' \

	|sort -t' ' -k2 -nu	       \

	|create_table ${wordsize}