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#!/bin/sh -x
# Based on the vmlinux file create the System.map file
# System.map is used by module-init tools and some debugging
# tools to retrieve the actual addresses of symbols in the kernel.
#
# Usage
# mksysmap vmlinux System.map
#####
# Generate System.map (actual filename passed as second argument)
# The following refers to the symbol type as per nm(1).
# readprofile starts reading symbols when _stext is found, and
# continue until it finds a symbol which is not either of 'T', 't',
# 'W' or 'w'.
#
${NM} -n ${1} | sed >${2} -e "
# ---------------------------------------------------------------------------
# Ignored symbol types
#
# a: local absolute symbols
# N: debugging symbols
# U: undefined global symbols
# w: local weak symbols
/ [aNUw] /d
# ---------------------------------------------------------------------------
# Ignored prefixes
# (do not forget a space before each pattern)
# local symbols for ARM, MIPS, etc.
/ \$/d
# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc.
/ \.L/d
# CRC from modversions
/ __crc_/d
# EXPORT_SYMBOL (symbol name)
/ __kstrtab_/d
# EXPORT_SYMBOL (namespace)
/ __kstrtabns_/d
# ---------------------------------------------------------------------------
# Ignored symbols (exact match)
# (do not forget a space before and '$' after each pattern)
# for LoongArch?
/ L0$/d
"
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