make_textsym

一个2.4.21版本的嵌入式linux内核

#!/bin/sh
#
# Build a textsym file for use in the Arium ITP probe.
#
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (c) 2001-2002 Silicon Graphics, Inc.  All rights reserved.
#

help() {
cat <<END
Build a WinDD "symtxt" file for use with the Arium ECM-30 probe.

	Usage: $0 [<vmlinux file> [<output file>]]
		If no input file is specified, it defaults to vmlinux.
		If no output file name is specified, it defaults to "textsym".
END
exit 1
}

err () {
	echo "ERROR - $*" >&2
	exit 1
}


OPTS="H"
while getopts "$OPTS" c ; do
	case $c in
		H)  help;;
		\?) help;;
	esac

done
shift `expr $OPTIND - 1`

LINUX=${1:-vmlinux}
TEXTSYM=${2:-${LINUX}.sym}
TMPSYM=${2:-${LINUX}.sym.tmp}
trap "/bin/rm -f $TMPSYM" 0

[ -f $VMLINUX ] || help

$OBJDUMP -t $LINUX | egrep -v '__ks' | sort > $TMPSYM
SN1=`egrep "dig_setup|Synergy_da_indr" $TMPSYM|wc -l`

# Dataprefix and textprefix correspond to the VGLOBAL_BASE and VPERNODE_BASE.
# Eventually, these values should be:
#	dataprefix	ffffffff
#	textprefix	fffffffe
# but right now they're still changing, so make them dynamic.
dataprefix=`awk ' / \.data	/ { print substr($1, 0, 8) ; exit ; }' $TMPSYM`
textprefix=`awk ' / \.text	/ { print substr($1, 0, 8) ; exit ; }' $TMPSYM`

# pipe everything thru sort
echo "TEXTSYM V1.0"
(cat <<END 
GLOBAL | ${textprefix}00000000 | CODE | VEC_VHPT_Translation_0000
GLOBAL | ${textprefix}00000400 | CODE | VEC_ITLB_0400
GLOBAL | ${textprefix}00000800 | CODE | VEC_DTLB_0800
GLOBAL | ${textprefix}00000c00 | CODE | VEC_Alt_ITLB_0c00
GLOBAL | ${textprefix}00001000 | CODE | VEC_Alt_DTLB_1000
GLOBAL | ${textprefix}00001400 | CODE | VEC_Data_nested_TLB_1400
GLOBAL | ${textprefix}00001800 | CODE | VEC_Instruction_Key_Miss_1800
GLOBAL | ${textprefix}00001c00 | CODE | VEC_Data_Key_Miss_1c00
GLOBAL | ${textprefix}00002000 | CODE | VEC_Dirty-bit_2000
GLOBAL | ${textprefix}00002400 | CODE | VEC_Instruction_Access-bit_2400
GLOBAL | ${textprefix}00002800 | CODE | VEC_Data_Access-bit_2800
GLOBAL | ${textprefix}00002c00 | CODE | VEC_Break_instruction_2c00
GLOBAL | ${textprefix}00003000 | CODE | VEC_External_Interrupt_3000
GLOBAL | ${textprefix}00003400 | CODE | VEC_Reserved_3400
GLOBAL | ${textprefix}00003800 | CODE | VEC_Reserved_3800
GLOBAL | ${textprefix}00003c00 | CODE | VEC_Reserved_3c00
GLOBAL | ${textprefix}00004000 | CODE | VEC_Reserved_4000
GLOBAL | ${textprefix}00004400 | CODE | VEC_Reserved_4400
GLOBAL | ${textprefix}00004800 | CODE | VEC_Reserved_4800
GLOBAL | ${textprefix}00004c00 | CODE | VEC_Reserved_4c00
GLOBAL | ${textprefix}00005000 | CODE | VEC_Page_Not_Present_5000
GLOBAL | ${textprefix}00005100 | CODE | VEC_Key_Permission_5100
GLOBAL | ${textprefix}00005200 | CODE | VEC_Instruction_Access_Rights_5200
GLOBAL | ${textprefix}00005300 | CODE | VEC_Data_Access_Rights_5300
GLOBAL | ${textprefix}00005400 | CODE | VEC_General_Exception_5400
GLOBAL | ${textprefix}00005500 | CODE | VEC_Disabled_FP-Register_5500
GLOBAL | ${textprefix}00005600 | CODE | VEC_Nat_Consumption_5600
GLOBAL | ${textprefix}00005700 | CODE | VEC_Speculation_5700
GLOBAL | ${textprefix}00005800 | CODE | VEC_Reserved_5800
GLOBAL | ${textprefix}00005900 | CODE | VEC_Debug_5900
GLOBAL | ${textprefix}00005a00 | CODE | VEC_Unaligned_Reference_5a00
GLOBAL | ${textprefix}00005b00 | CODE | VEC_Unsupported_Data_Reference_5b00
GLOBAL | ${textprefix}00005c00 | CODE | VEC_Floating-Point_Fault_5c00
GLOBAL | ${textprefix}00005d00 | CODE | VEC_Floating_Point_Trap_5d00
GLOBAL | ${textprefix}00005e00 | CODE | VEC_Lower_Privilege_Tranfer_Trap_5e00
GLOBAL | ${textprefix}00005f00 | CODE | VEC_Taken_Branch_Trap_5f00
GLOBAL | ${textprefix}00006000 | CODE | VEC_Single_Step_Trap_6000
GLOBAL | ${textprefix}00006100 | CODE | VEC_Reserved_6100
GLOBAL | ${textprefix}00006200 | CODE | VEC_Reserved_6200
GLOBAL | ${textprefix}00006300 | CODE | VEC_Reserved_6300
GLOBAL | ${textprefix}00006400 | CODE | VEC_Reserved_6400
GLOBAL | ${textprefix}00006500 | CODE | VEC_Reserved_6500
GLOBAL | ${textprefix}00006600 | CODE | VEC_Reserved_6600
GLOBAL | ${textprefix}00006700 | CODE | VEC_Reserved_6700
GLOBAL | ${textprefix}00006800 | CODE | VEC_Reserved_6800
GLOBAL | ${textprefix}00006900 | CODE | VEC_IA-32_Exeception_6900
GLOBAL | ${textprefix}00006a00 | CODE | VEC_IA-32_Intercept_6a00
GLOBAL | ${textprefix}00006b00 | CODE | VEC_IA-32_Interrupt_6b00
GLOBAL | ${textprefix}00006c00 | CODE | VEC_Reserved_6c00
GLOBAL | ${textprefix}00006d00 | CODE | VEC_Reserved_6d00
GLOBAL | ${textprefix}00006e00 | CODE | VEC_Reserved_6e00
GLOBAL | ${textprefix}00006f00 | CODE | VEC_Reserved_6f00
GLOBAL | ${textprefix}00007000 | CODE | VEC_Reserved_7000
GLOBAL | ${textprefix}00007100 | CODE | VEC_Reserved_7100
GLOBAL | ${textprefix}00007200 | CODE | VEC_Reserved_7200
GLOBAL | ${textprefix}00007300 | CODE | VEC_Reserved_7300
GLOBAL | ${textprefix}00007400 | CODE | VEC_Reserved_7400
GLOBAL | ${textprefix}00007500 | CODE | VEC_Reserved_7500
GLOBAL | ${textprefix}00007600 | CODE | VEC_Reserved_7600
GLOBAL | ${textprefix}00007700 | CODE | VEC_Reserved_7700
GLOBAL | ${textprefix}00007800 | CODE | VEC_Reserved_7800
GLOBAL | ${textprefix}00007900 | CODE | VEC_Reserved_7900
GLOBAL | ${textprefix}00007a00 | CODE | VEC_Reserved_7a00
GLOBAL | ${textprefix}00007b00 | CODE | VEC_Reserved_7b00
GLOBAL | ${textprefix}00007c00 | CODE | VEC_Reserved_7c00
GLOBAL | ${textprefix}00007d00 | CODE | VEC_Reserved_7d00
GLOBAL | ${textprefix}00007e00 | CODE | VEC_Reserved_7e00
GLOBAL | ${textprefix}00007f00 | CODE | VEC_Reserved_7f00
END


awk '
/__start_gate_section/ {start=1}
/^'${dataprefix}\|${textprefix}'/ {
	if ($4 == ".kdb")
		next
	if (start && substr($NF,1,1) != "0") {
		type = substr($0,26,5)
		if (type == ".text")
			printf "GLOBAL | %s | CODE | %s\n", $1, $NF
		else {
			n = 0
			s = $(NF-1)
			while (length(s) > 0) {
				n = n*16 + substr(s,1,1)
				s = substr(s,2)
			}
			printf "GLOBAL | %s | DATA | %s | %d\n", $1, $NF, n
		}
	}
	if($NF == "_end") 
		exit

}
' $TMPSYM ) | egrep -v " __device| __vendor" | awk -v sn1="$SN1" '
/GLOBAL/ {
	print $0
	if (sn1 != 0) {
		/* 32 bits of sn1 physical addrs, */
		print substr($0,1,9) "04" substr($0,20,16) "Phy_" substr($0,36)
	} else {
		/* 38 bits of sn2 physical addrs, need addr space bits */
		print substr($0,1,9) "3004" substr($0,20,16) "Phy_" substr($0,36)
	}

} ' | sort -k3

N=`wc -l $TEXTSYM|awk '{print $1}'`
echo "Generated TEXTSYM file" >&2
echo "  $LINUX --> $TEXTSYM" >&2
echo "  Found $N symbols" >&2