11da177e4SLinus Torvalds#!/bin/sh -x 21da177e4SLinus Torvalds# Based on the vmlinux file create the System.map file 31da177e4SLinus Torvalds# System.map is used by module-init tools and some debugging 4943ffb58SAdrian Bunk# tools to retrieve the actual addresses of symbols in the kernel. 51da177e4SLinus Torvalds# 61da177e4SLinus Torvalds# Usage 7ca09bf48SMasahiro Yamada# mksysmap vmlinux System.map [exclude] 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds 101da177e4SLinus Torvalds##### 111da177e4SLinus Torvalds# Generate System.map (actual filename passed as second argument) 12e9f76363SMasahiro Yamada# The following refers to the symbol type as per nm(1). 131da177e4SLinus Torvalds 141da177e4SLinus Torvalds# readprofile starts reading symbols when _stext is found, and 151da177e4SLinus Torvalds# continue until it finds a symbol which is not either of 'T', 't', 16c1346169SMasahiro Yamada# 'W' or 'w'. 17c1346169SMasahiro Yamada# 18a2833d1bSMasahiro Yamada 19c4802044SMasahiro Yamada${NM} -n ${1} | sed >${2} -e " 20c4802044SMasahiro Yamada# --------------------------------------------------------------------------- 21c4802044SMasahiro Yamada# Ignored symbol types 22c4802044SMasahiro Yamada# 23c4802044SMasahiro Yamada 24c4802044SMasahiro Yamada# a: local absolute symbols 25c4802044SMasahiro Yamada# N: debugging symbols 26c4802044SMasahiro Yamada# U: undefined global symbols 27c4802044SMasahiro Yamada# w: local weak symbols 28c4802044SMasahiro Yamada/ [aNUw] /d 29c4802044SMasahiro Yamada 30c4802044SMasahiro Yamada# --------------------------------------------------------------------------- 31c4802044SMasahiro Yamada# Ignored prefixes 32c4802044SMasahiro Yamada# (do not forget a space before each pattern) 33c4802044SMasahiro Yamada 34c4802044SMasahiro Yamada# local symbols for ARM, MIPS, etc. 35c4802044SMasahiro Yamada/ \$/d 36c4802044SMasahiro Yamada 37c4802044SMasahiro Yamada# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc. 38c4802044SMasahiro Yamada/ \.L/d 39c4802044SMasahiro Yamada 40*320e7c9dSMasahiro Yamada# arm64 EFI stub namespace 41*320e7c9dSMasahiro Yamada/ __efistub_/d 42*320e7c9dSMasahiro Yamada 43*320e7c9dSMasahiro Yamada# arm64 local symbols in non-VHE KVM namespace 44*320e7c9dSMasahiro Yamada/ __kvm_nvhe_\$/d 45*320e7c9dSMasahiro Yamada/ __kvm_nvhe_\.L/d 46*320e7c9dSMasahiro Yamada 47*320e7c9dSMasahiro Yamada# arm64 lld 48*320e7c9dSMasahiro Yamada/ __AArch64ADRPThunk_/d 49*320e7c9dSMasahiro Yamada 50*320e7c9dSMasahiro Yamada# arm lld 51*320e7c9dSMasahiro Yamada/ __ARMV5PILongThunk_/d 52*320e7c9dSMasahiro Yamada/ __ARMV7PILongThunk_/d 53*320e7c9dSMasahiro Yamada/ __ThumbV7PILongThunk_/d 54*320e7c9dSMasahiro Yamada 55*320e7c9dSMasahiro Yamada# mips lld 56*320e7c9dSMasahiro Yamada/ __LA25Thunk_/d 57*320e7c9dSMasahiro Yamada/ __microLA25Thunk_/d 58*320e7c9dSMasahiro Yamada 59*320e7c9dSMasahiro Yamada# CFI type identifiers 60*320e7c9dSMasahiro Yamada/ __kcfi_typeid_/d 61*320e7c9dSMasahiro Yamada 62c4802044SMasahiro Yamada# CRC from modversions 63c4802044SMasahiro Yamada/ __crc_/d 64c4802044SMasahiro Yamada 65c4802044SMasahiro Yamada# EXPORT_SYMBOL (symbol name) 66c4802044SMasahiro Yamada/ __kstrtab_/d 67c4802044SMasahiro Yamada 68c4802044SMasahiro Yamada# EXPORT_SYMBOL (namespace) 69c4802044SMasahiro Yamada/ __kstrtabns_/d 70c4802044SMasahiro Yamada 71c4802044SMasahiro Yamada# --------------------------------------------------------------------------- 72*320e7c9dSMasahiro Yamada# Ignored suffixes 73*320e7c9dSMasahiro Yamada# (do not forget '$' after each pattern) 74*320e7c9dSMasahiro Yamada 75*320e7c9dSMasahiro Yamada# arm 76*320e7c9dSMasahiro Yamada/_from_arm$/d 77*320e7c9dSMasahiro Yamada/_from_thumb$/d 78*320e7c9dSMasahiro Yamada/_veneer$/d 79*320e7c9dSMasahiro Yamada 80*320e7c9dSMasahiro Yamada# --------------------------------------------------------------------------- 81c4802044SMasahiro Yamada# Ignored symbols (exact match) 82c4802044SMasahiro Yamada# (do not forget a space before and '$' after each pattern) 83c4802044SMasahiro Yamada 84c4802044SMasahiro Yamada# for LoongArch? 85c4802044SMasahiro Yamada/ L0$/d 86ca09bf48SMasahiro Yamada 87*320e7c9dSMasahiro Yamada# ppc 88*320e7c9dSMasahiro Yamada/ _SDA_BASE_$/d 89*320e7c9dSMasahiro Yamada/ _SDA2_BASE_$/d 90*320e7c9dSMasahiro Yamada 91*320e7c9dSMasahiro Yamada# --------------------------------------------------------------------------- 92*320e7c9dSMasahiro Yamada# Ignored patterns 93*320e7c9dSMasahiro Yamada# (symbols that contain the pattern are ignored) 94*320e7c9dSMasahiro Yamada 95*320e7c9dSMasahiro Yamada# ppc stub 96*320e7c9dSMasahiro Yamada/\.long_branch\./d 97*320e7c9dSMasahiro Yamada/\.plt_branch\./d 98*320e7c9dSMasahiro Yamada 99ca09bf48SMasahiro Yamada# --------------------------------------------------------------------------- 100ca09bf48SMasahiro Yamada# Ignored kallsyms symbols 101ca09bf48SMasahiro Yamada# 102ca09bf48SMasahiro Yamada# If the 3rd parameter exists, symbols from it will be omitted from the output. 103ca09bf48SMasahiro Yamada# This makes kallsyms have the identical symbol lists in the step 1 and 2. 104ca09bf48SMasahiro Yamada# Without this, the step2 would get new symbols generated by scripts/kallsyms.c 105ca09bf48SMasahiro Yamada# when CONFIG_KALLSYMS_ALL is enabled. That might require one more pass. 106ca09bf48SMasahiro Yamada$(if [ $# -ge 3 ]; then ${NM} ${3} | sed -n '/ U /!s:.* \([^ ]*\)$:/ \1$/d:p'; fi) 107c4802044SMasahiro Yamada" 108