Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /lib/modules/5.4.0-198-generic/build/arch/powerpc/tools/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

# Copyright © 2016 IBM Corporation
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version
# 2 of the License, or (at your option) any later version.
#
# This script checks the relocations of a vmlinux for "suspicious"
# branches from unrelocated code (head_64.S code).

# Turn this on if you want more debug output:
# set -x

# Have Kbuild supply the path to objdump so we handle cross compilation.
objdump="$1"
vmlinux="$2"

#__end_interrupts should be located within the first 64K

end_intr=0x$(
$objdump -R "$vmlinux" -d --start-address=0xc000000000000000           \
		 --stop-address=0xc000000000010000 |
grep '\<__end_interrupts>:' |
awk '{print $1}'
)

BRANCHES=$(
$objdump -R "$vmlinux" -D --start-address=0xc000000000000000           \
		--stop-address=${end_intr} |
grep -e "^c[0-9a-f]*:[[:space:]]*\([0-9a-f][0-9a-f][[:space:]]\)\{4\}[[:space:]]*b" |
grep -v '\<__start_initialization_multiplatform>' |
grep -v -e 'b.\?.\?ctr' |
grep -v -e 'b.\?.\?lr' |
sed 's/://' |
awk '{ print $1 ":" $6 ":0x" $7 ":" $8 " "}'
)

for tuple in $BRANCHES
do
	from=`echo $tuple | cut -d':' -f1`
	branch=`echo $tuple | cut -d':' -f2`
	to=`echo $tuple | cut -d':' -f3 | sed 's/cr[0-7],//'`
	sym=`echo $tuple | cut -d':' -f4`

	if (( $to > $end_intr ))
	then
		if [ -z "$bad_branches" ]; then
			echo "WARNING: Unrelocated relative branches"
			bad_branches="yes"
		fi
		echo "$from $branch-> $to $sym"
	fi
done

if [ -z "$bad_branches" ]; then
	exit 0
fi